technical manual - monitoring solutions

Issue : A Rev. : 0 Date : 25/04/17 Ref. : 100303

TECHNICAL MANUAL

Tunnel Tech 700 Series

Tunnel Tech 701 - CO/NO/NO²/VIS Tunnel Tech 702 - CO/VIS/VIS

Tunnel Tech 703 - CO/VIS Tunnel Tech 704 – NO/VIS Tunnel Tech 705 - NO²/VIS

Tunnel Tech 706 – CO/NO²/VIS Tunnel Tech 707 – NO/NO²/VIS

Tunnel Tech 708 - VIS Only

Tunnel Atmosphere Monitoring System

(CO/NO/NO²/Vis)

CODEL International Ltd. Station Building, Station Road, Bakewell, Derbyshire DE45 1GE United Kingdom

t : +44 (0) 1629 814 351 f : +44 (0) 8700 566 307 e : [email protected] web : www.codel.co.uk

CODEL


CODEL


CODEL International Ltd is a UK company based in the heart of the Peak District National Park at Bakewell, Derbyshire. The company specialises in the design and manufacture of high-technology instrumentation for the monitoring of combustion processes and atmospheric pollutant emissions. The constant search for new products and existing product improvement keeps CODEL one step ahead. With a simple strategy, to design well-engineered, rugged, reliable equipment, capable of continuous operation over long periods with minimal maintenance, CODEL has set standards both for itself and for the rest of the industry. All development and design work is carried out ‘in-house’ by experienced engineers using proven state-of-the-art CAD and software development techniques, while stringent assembly and test procedures ensure that the highest standards of product quality, synonymous with the CODEL name, are maintained. High priority is placed upon customer support. CODEL’s dedicated team of field and service engineers will assist with any application problem to ensure that the best possible use is derived from investment in CODEL quality products. If you require any further information about CODEL or its products, please contact us using one of the numbers below or alternatively visit our web site. t : +44 (0) 1629 814 351 f : +44 (0) 8700 566 307 e : [email protected] web : www.codel.co.uk

CODEL offices, Bakewell, Derbyshire

CODEL


Technical Manual CODEL


Contents 1. System Description 1

1.1. The Tunnel Tech 700 Series Concept 1

1.2. CO, NO, NO², and Visibility Air Quality Monitor 2

1.3. Power Supply Unit (PSU) 3 2. Principles of Operation 4

2.1. Air Quality Monitor (AQM) 4 2.1.1. VisibilityMeasurement 4 2.1.2. CO. NO & NO2Measurement 6

3. Specifications 7

3.1. General 7

3.2. Power Supply Unit (PSU) 7

3.3. Air Quality Monitor 7

3.4. RS485 Interface 8 4. Installation 9

4.1. Mounting Details 9 4.1.1. Air Quality Monitor (AQM) 9 4.1.2. Power Supply Unit (PSU) 9

4.2. Connections 10 5. Commissioning 15

5.1. Power Up 15

5.2. Visibility Commissioning 15 5.2.1. Visibility Module Communication 15 5.2.2. Alignment 16 5.2.3. Detector Levels Error! Bookmark not defined. 5.2.4. Calibration Vis 18

5.3. Electrochemical Cell Commissioning 19 5.3.1. Electrochemical Cell Module Communication 19 5.3.2. Detector Levels 19 5.3.3. Electrochemical Cell Calibration 21 6. Maintenance 22

6.1. Routine Maintenance 22 6.1.1. Visibility 22 6.1.2. Electrochemical Cell Calibration 23

6.1.3. Electrochemical Cell Replacement 24 6.1.4. Part Numbers & Replacement List 26 6.1.5. Optional Parts 26 7. Data Communication 28

7.1. Hardware Configuration 28 7.1.1. System 28



7.2. Address Numbers 29 8. List of Figures 30 Appendix 1 : MODBUS Communication & RS485 Connection 31 Appendix 2 : Optional Tunnel Display Unit (TDU) 34 Appendix 3: Optional Heated Mirrors arrangement & connection 35



IMPORTANT The warning signs (and meanings) shown below, are used throughout these instructions and are intended to ensure your safety while carrying out installation, operation and maintenance procedures. Please read these instructions fully before proceeding.

Caution, risk of electric shock. Caution, risk of danger. Caution, hot surface. Earth (ground) terminal. Protective conductor terminal

1

1. System Description 1.1. The Tunnel Tech 700 Series Concept Tunnel Tech 700 Series is an all-new tunnel atmosphere monitoring system designed exclusively for road tunnel applications. It offers a family of monitors that provide all the essential measurements necessary to monitor a tunnel atmosphere for:

- Carbon Monoxide - Nitric Oxide - Visibility - Nitrogen dioxide

This is achieved by using a modular design concept so that the users’ precise monitoring requirements can be satisfied with a minimum number of components, minimum tunnel cabling and minimum installation costs. It also offers a variety of data outputs to enable simple acquisition of data.


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The monitoring stations, Figure 1, provide all required measurements and outputs at each monitoring location within the tunnel.

Figure 1 : Tunnel Tech 700 Series - Monitoring Station

1.2. CO, NO, NO², and Visibility Air Quality Monitor The Air Quality Monitor (AQM), shown in Figure 2, uses visible light channels to measure visibility and electrochemical cells. The AQM consists of a transceiver that projects visible beams to a reflector unit mounted 3m away. A high-powered modulated LED is used for the visible light source. Optical visibility is measured by a silicon photo-detector that determines the attenuation of the light beam, along the instrument sight path, due to the particulates in the tunnel atmosphere. CO, NO and NO2 are measured using electrochemical cell technology. Once the zero level of the cell is set and recorded in the instrument memory, the cell output is linear and proportional to the ppm or ppb reading. A serial data link via an RS485 interface allows communication directly with the AQM sensors.

CO/NO/NO²/VIS Air Quality Monitor


3

Figure 2 : Tunnel Tech 700 Series – CO/NO/NO²/Vis air quality monitor 1.3. Power Supply Unit (PSU) The PSU is required to convert the mains (90-263V AC) supply to the 12V or 24V DC required to power the AQM.

Figure 3 : Tunnel Tech 700 Series - power supply units 12V DC & 24V DC

DC outputs

12V DC 24V DC mains input connections

DC outputs


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2. Principles of Operation 2.1. Air Quality Monitor (AQM) 2.1.1. Visibility Measurement 2.1.1.1.Transmissometry Principles Visibility Dimming Coefficient (abbreviated to Dim K or Vis K) Fine particles suspended in the atmosphere will scatter a beam of light so that the intensity of the beam reduces as it passes through the air. This reduction in visibility is directly proportional to the concentration of suspended dust particles. The intensity of a beam of light follows the Lambert Beer law: I = Ioe

-KL

where K is a parameter known as the visibility coefficient and is proportional to the concentration of the suspended particles and L is the path length of the beam.

I/Io is the ratio of the measured beam intensity and that of the initial intensity Io and is known as the transmissivity (T) of the system: T = e

-KL

Thus visibility coefficient :

K = 1 . loge 1

L T where L = 6m & T is the measured transmissivity. A visibility sensor measures the transmissivity of a light beam from a source of known brightness over a fixed path length to enable a value of the visibility coefficient to be deduced. The units of measurement for this coefficient are m

-1 and the typical span range would be 0 - 0.015m

-1 or 0 -

15(km)-1

. Visibility An alternative method of presenting this data is in the form of meteorological visibility. This is defined as the distance over which the intensity of transmitted light falls to 5% of its initial value. It represents the distance over which a person can see in a hazy or dusty environment.

In this case, I = 0.05 x Io thus T = 0.05

and since K = 1 . loge 1

L T

visibility L = 1 loge 20 = 2.99

K K Thus, for a K value of 0.003, the visibility in metres is 2.99/0.003 = 1000m.

Both K factor and visibility are calculated by the sensor and are available for output.


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2.1.1.2. LED Control Operation of the emitting LED is controlled by the on-board processor. The LED is pulsed periodically as shown in figure 4.These very brief duration pulses enable the instrument to operate without interference from other light sources within the tunnel.

Figure 4: LED Pulse Graph 2.1.1.3. Measurement Elements The visibility channel produces a modulated beam of light from a pulsed LED focused by a lens to a retro-reflector mounted some 3m away. An internal detector monitors the brightness of the emitted pulses of light (Vis Tx). The reflected beam is gathered by a second lens and focussed onto a receiving detector (Vis Rx). The ratio of signals from the two detectors provides the measurement of transmissivity. 2.1.1.4. Detector Element Two silicon detectors are utilised one to measure the initial brightness of the emitted light (Vis Tx), the other to measure the intensity of the received light (Vis Rx) after transmission to and reflection from the retro-reflector unit.

The processor takes a series of measurements immediately prior to 'pulsing' the emitter LED in order to monitor the inherent background levels of light intensity. Then a series of measurements is made while the LED is illuminated and again after the LED is switched to check that the background levels haven’t changed. The high frequency at which this occurs provides the device with extremely high immunity from the effects of background lighting.

2.1.1.5. Calibration It is normal for these instruments to be calibrated during a tunnel closure when it is expected that the opacity will be zero. The instrument can be calibrated by selecting a calibrate mode where, instead of calculating opacity using a fixed calibration factor, the instrument assumes an opacity value of zero and calculates the calibration factor required. Set Cal Vis = 1000000 x (Vis Tx/Vis Rx) 2.1.1.6. Diagnostic Data Measurements of opacity and transmissivity are calculated from the two detector measurements. First the detector measurements are smoothed to improve signal to noise and calculations made as follows:


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In order to calculate the opacity from the data collected by the detectors, a Y value has to be established. This is done by using the Vis TX and Vis RX data, along with the Set Cal as shown in section 2.1.1.5; Y Value = 1000000- (Vis Rx/Vis Tx x Set Cal) This Y Value is then used to establish the Opacity as a percentage as shown below; Opacity = Y/10000 Opacity is a direct reading of the attenuation of light. Zero opacity equates to a totally clean light path and 100% to total light attenuation. This can then be used to calculate the transmissivity as a percentage and vis K as shown below;

Transmissivity = 100 – Opacity %

K = 1 . loge 1

L T 2.1.1.7. Auto Zero The measurement of opacity is dependent upon the optical surfaces of the instrument remaining clean. If the surfaces of the instrument lenses or the retro-reflector become contaminated it will reduce the intensity of the received light and increase the opacity measured value. Over a period of time, it is normal to observe a slow build-up of optical contamination resulting in a steady increase in the measured opacity value. This appears as a persistent positive output drift. There are two cures for this problem. One is to clean the optical surfaces on a regular basis. However, in a road tunnel regular access is not usually possible without a tunnel closure.

The second method is to automatically compensate for such a build-up of contamination. The technique used by Tunnel Tech relies on the assumption that there will always be periods of low real opacity during the course of the day. These periods usually occur at night when traffic loading is low. These periods provide a reference condition for the measurement. During normal operation, the effect of contamination will be a slow increase the measured value of opacity. To compensate for this the instrument is programmed to slowly reduce its measured value of opacity at a rate faster than that at which contamination would increase. In this way periods of zero opacity, whenever they occur, are utilised to correct the calibration of the measurement allowing long periods of operation without maintenance and the cleaning of optical lenses. 2.1.2. Electro Chemical Cell – CO/NO/NO² In order to measure the level of gas (CO/NO/NO²), the Tunnel Tech 700 uses an electro chemical cell to convert the gas in to readable data. The gas diffuses in to the sensor and interacts with the electrode within the cell. This causes a chemical reaction in which the gas is reduced or oxidised. The electrochemical reaction results in an electric current which can then be read, with the generated voltage being linear to the gas response, and the detector level is derived from the incoming voltage and subsequently a gas measurement.


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3. Specifications 3.1. General Construction

- corrosion resistant epoxy coated aluminium housings sealed to IP66 (AQM & PSU) - optional 316 stainless steel and 316 stainless steel TI for heads and brackets

Electro-magnetic immunity

- shielded to comply with 73/23/EEC - low voltage and 89/336/EEC-EMC Ambient temperature

- -20oC to +50

oC

3.2.Power Supply Unit (PSU) (Optional) Outputs

- 24V DC fused - maximum current output must not exceed 5A (60W)

Power

- 90 to 264V AC, 47/63Hz, 100VA max. Dimensions

- 230mm x 200mm x 110mm 3.3. Air Quality Monitor Monitoring channels

- up to 4 channels for CO, NO, NO², and visibility Measurement path

- 3m (6m folded beam) Measuring range (standard)

- Visibility: 0-0.015 m-1

- CO: 0 - 300ppm - NO: 0 - 30ppm - NO²: 0 – 5/10ppm - Other ranges selectable on setup Averaging time

- 1 to 12 minutes


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Accuracy

- Visibility - ±0.002 m-1

- CO - ±2ppm or 2% span - NO - ±2ppm or 2% span - NO² - ±100ppb

Power

- 24V DC, 24VA (obtained from PSU) Communications

Serial RS485 interface via plug and socket for diagnostics, RS485 Modbus, or Codel Protocol

Outputs (Optional)

- analogue - 2 x 4-20mA, 200V Common

- max. load 500

- logic - 2 x volt-free contacts SPCO, 0.5A @ 125V AC,2A @ 30V DC, 0.5A @ 100V DC (Per card, up to two cards per unit or system) - Optional Modbus protocol serial communications (must be specified at the time of order).

Dimensions

- Ø150mm x 260mm 3.4. RS485 Interface (Optional) Power

- 5V, 30mA obtained from AQM PC Communications

- RS485 via 9-way ‘D’ connector AQM Communication

- TTL levels - connection via 4-way plug and socket - isolated

Note: The AQM PCBs are equipped with built-in RS485 communications facilities for use during commissioning. This facility may further be used after commissioning for communication to integrate the AQM using MODBUS protocol – fuller details are contained in Appendix A.


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4. Installation

Be sure to observe all necessary safety precautions at all times during installation.

All cable gland entry holes are drilled and tapped M20 x 1.5 and are fitted with blanking plugs.

Cable glands are to be supplied by the customer according to the cables used during installation.

4.1.Mounting Details After unpacking the equipment check, using the packing list provided, that all items are present. The Air Quality Monitor (AQM) is carried on a fabricated mounting bracket (if supplied 4.1.1.Air Quality Monitor (AQM) The AQM comprises a transceiver and reflector unit. Secure the AQM to the tunnel wall by the mounting brackets supplied using 4 x M8 bolts (by others) such that the transceiver and reflector are approximately 3m apart. The transceiver and reflector should be mounted horizontally and arranged as illustrated in

Figure .

Figure 5 : AQM – mounting holes

4.1.2.Power Supply Unit (PSU) Mount the PSU to the tunnel wall again using 4 x M6 bolts (by others). Mounting hole details are shown in the illustration Figure .

Clean air tubes are supplied and should be bolted onto the mounting brackets using the 3 x M6 bolts provided.


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Figure 6 : PSU – arrangement

4.2. Connections

Wiring should only be undertaken by a qualified technician. The following electrical schematic illustrates the connections for the Tunnel Tech 700 Series system.


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Figure 7 : Electrical Schematic


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Power Connection: Place 24V screened cable through the gland and connect to CON1 24V power input as described below

Figure 8: Power Connection

RS485 Connection

Figure 9: RS485 Connection

0V 24V

A

B


13

Power Control/Display PCB

Electrochemical Cell PCB

Communications


14

Visibility PCB

Ma Output PCB’S

Top; mA/RLY 4&5

Bottom; mA/RLY 1&2


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5. Commissioning 5.1. Power Up After checking all the cable connections against the connection schedule, switch on the mains power and wait for power-up sequence to complete and Data validity LED (green) to come on.

When powered on, the display unit will come on displaying CODEL – FM (manufacturer’s name) and TunnelTech 700 (instrument’s name). After a few seconds the main menu screen will be displayed, and the display unit will be ready to be interacted with. 5.1.1. Wait 10 minutes for system to stabilise. 5.2. Visibility commissioning 5.2.1. Visibility module communication To ensure that there is a working communication via the display unit, follow the steps below using the display.

5.2.1.1. Press to return to the main display.

From the main display press to reach Diagnostics. Press to access Diagnostic

data.

.

5.2.1.2. Use the key to reach Vis Diag, and press to access.

5.2.1.3. Use the to reach Vis DRx, and press to access.

5.2.1.4. Vis DRx: Ensure that there is a number displayed on the Vis DRx reading like below, before covering the visibility pathway with your hand or an object.

1. Meas - 09:24:29 CO: 21 ppm

3. DIAGNOSTICS

3.5. VIS Diag

VIS DRx

11373

3. DIAGNOSTICS

CODEL – FM

TunnelTech 700

1. Meas - 09:24:29 CO: 0.1 ppm


16

5.2.1.5. When completely covered, the Vis DRx reading should drop close to 0 after a few moments. This reading indicates that the display module and the visibility module are communicating and operating correctly.

5.2.1.6. When communication has been established, the next stage of commissioning is Alignment.

5.2.2. Alignment The AQM transceiver and reflector units should be mounted horizontally and should be properly aligned for optimum performance. Initial alignment may be carried out by temporarily removing (but still supporting) the body of the transceiver from its mounting bracket. Both transceiver and reflector units are equipped with universal adjustment features at the bottom of their respective mounting brackets. Once the transceiver has been removed the end of the hollow clean air tube is exposed and by looking along the clean air tube, it should be possible to see the mirror at the far end of the reflector unit. While observing the reflection in the mirror adjust one or both units, using the universal adjustment feature and a suitable spanner, until the ‘circles’, formed by the inside and outside of both clean air tubes, are concentric. When completed re-fit the transceiver body. Final alignment is achieved by adjusting the sensor head and reflector to obtain maximum values of the Vis received detector signal. Note that the instrument should have had at least half an hour to achieve stable operating conditions. Follow the steps below within the display unit to begin alignment.



data.

.

VIS DRx:

0

1. Meas - 09:24:29 CO: 21 ppm

3. DIAGNOSTICS


17



5.2.2.4. Vis DRx: Observe DRx Smoothed value while adjusting the optical alignment of the instrument until this value has reached a plateau.

5.2.2.5. The data displayed for Vis DRx will be used in the next section; Detector Levels.

5.2.3. Detector levels The detector levels displayed in the previous section 5.2.2.(VIS DRx) is the visibility signal. Follow the steps of the previous section to return to this screen if required. The visibility signals should be: 10000 +/- 2000.

5.2.3.1. With the detector levels established, the final step of Vis commissioning is to calibrate, which is laid out in the following section.

3. DIAGNOSTICS

3.5. VIS Diag

VIS DRx

10168.3


18

5.2.4. Calibration Vis To begin calibration of VIS, follow the steps below on the display unit. Note: When ‘Enter to CAL’ has been selected, allow 5-10 minutes for calibration to complete.


From the main display press to reach Setup Mode. Press to access Setup

options.

.

5.2.4.2. If a Passcode is set, input the passcode and press to access Setup Mode.

5.2.4.3. Use the key to reach Calibration, and press to access.

5.2.4.4. Use the to reach VIS CH ZERO CAL, and press to access.

5.2.4.5. VIS CH ZERO CAL: When this menu has been reached, press and the system will initiate a zero cal.

Note: Ensure that the signal path is clear.

1. Meas - 09:24:29 CO: 21 ppm

4. Setup Mode

4.1. CALIBRATION

VIS CH Zero CAL

Enter to CAL

4. Setup Mode

Enter PassCode 0x0000


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5.3. E-Cell commissioning 5.3.1. E-Cell module communication To ensure that there is a working communication between the display unit and the electrochemical cell module, follow the steps below using the display.



data.

.

5.3.1.2. Use the key to reach E-C CH1 Diag, and press to access.

5.3.1.3. Use the to reach DRx, and press to access.

5.3.1.4. DRx: Data figures should appear on the screen as shown below. This indicates that the display module is communicating with E-Cell module and is operating correctly.

5.3.1.5. With communication established, the following section lays out how detector levels can be found.

5.3.2. Detector levels In zero conditions the E-Cell detector levels should be around 26215 for CO (cell 1) and NO(cell 1), 32767 for NO2(cell 1). These detector levels can be found by using the steps below. In order to access the detector level reading for E-Cell 2 & 3, follow the same pathway, changing ‘E-C CH1 Diag’ to ‘E-C CH2 Diag’ and ‘E-C CH3 Diag’.

1. Meas - 09:24:29 CO: 21 ppm

3. DIAGNOSTICS

3.2. E-C CH1 Diag

DRx

26200

3. DIAGNOSTICS


20



data.

.

5.3.2.2. Use the key to reach E-C CH1 Diag, and press to access.

5.3.2.3. Use the to reach DRx, and press to access.

5.3.2.4. By following this path, the data displayed on the screen represents the detector level reading.

5.3.2.5. With the detector levels of E-Cell 1, 2, and 3 established, the final step of commissioning for the electrochemical cell is the calibration, found in the following section.

1. Meas - 09:24:29 CO: 21 ppm

3. DIAGNOSTICS

3.2. E-C CH1 Diag

DRx

26200

3. DIAGNOSTICS


21

5.3.3. Electrochemical Cell Calibration To begin zero calibration of E-Cell, follow the steps below on the display unit. Note: When ‘Enter to CAL’ 10 has been selected, allow 3 minutes for calibration to complete.


From the main display press to reach Setup Mode. Press to access

Setup options.

.

5.3.3.2. If a Passcode is set, input the passcode in order to access setup options.

5.3.3.3. Use the key to reach Calibration, and press to access.

5.3.3.4. Use the to reach Enter Full EC ZERO CAL, and press to access.

5.3.3.5. FULL EC ZERO CAL: When this menu has been reached, press and the system will run a zero cal.

1. Meas - 09:24:29 CO: 21 ppm

4. Setup Mode

4.1. CALIBRATION

Full EC Zero CAL

Enter to CAL

4. Setup Mode

Enter PassCode 0x0000


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6. Maintenance The Tunnel Tech 700 Series system is designed for low maintenance. The sensors utilise the latest microprocessor technology. The AQM sensor uses an infrared source that has a life expectancy of over 3 years. 6.1. Routine Maintenance 6.1.1. VIS 6.1.1.1. Mechanical Check Every 6 months - clean the optical surfaces of the AQM sensor and the reflector unit. Access to the lenses is obtained by removing the sight tube on the front of the sensor mounting bracket; this is done by removing the retaining bolts securing the tube to the flange. Removal of the tube reveals the two lenses. Clean the lenses with a soft dry cloth and replace the sight tube. There should be no need to re-align the sensor. Access to the reflector is gained by removing the sight tube on the front of the reflector mounting bracket. This is done by removing the retaining bolts securing the tube to the flange to reveal the mirror on the inside of the cover plate. Clean the mirror with a soft dry cloth and replace the sight tube. There should be no need to re-align the reflector. The next stage of the mechanical check is to check detector levels. By following the steps below, observe the detector levels to see if they correspond with the required levels of 10000 +/- 2000.


From the main display press to reach Diagnostics. Press to access

Diagnostic data.

.



6.1.1.5. Vis DRx: Observe DRx Smoothed value while adjusting the optical alignment of the

instrument until this value has reached a plateau.

1. Meas - 09:24:29 CO: 21 ppm

3. DIAGNOSTICS

3.5. VIS Diag

VIS DRx

10168.3

3. DIAGNOSTICS


23

6.1.1.6. If the detector levels are not within the range of 10000 +/-2000, move on to physical

alignment.

6.1.1.7. Alignment.

6.1.1.8. After physically altering the alignment as shown in the previous section, run a zero Cal to calibrate the system. Follow the steps of secton 5.2.5. waiting around 3 minutes from initiation for the zero cal to complete.

6.1.1.9. With the visibility calibrated, the last step is to use a visibility check filter to check the response of the visibility output. From the main menu;

Press , the following screen appears.

Use or to scroll through to Vis% and press to select Vis%.

The display returns to measurement screen displaying Vis%

measurement.

Place the check cell on the sight tube and observe the Vis % reading. This reading will steadily shift. Wait around 3 minutes for a plateau to be reached.

Once complete, remove check cell. Note: Failure to carry out this check will invalidate the warranty and performance of the system.

6.2. Calibration of Electrochemical Cell 6.2.1. Mechanical Check

6.1.3.1. The mechanical check for the electrochemical cell is via cleaning the cells. Remove the

cover of the base of the E-Cell block and wipe clean with a soft dry cloth to remove any debris from the E-Cells.

6.1.4. Span Check

Every 6 months the response and calibration curve of each analyser must be checked to ensure peak response is normalised. The following cylinders should be used: Note: It is possible to use different gas levels as long as they are within the maximum measurement range of the analyser. Zero cal - 100% N2 Span NO - 30ppm in N2 Span CO - 300ppm in N2

Select Channel

E-Cell CH1

Select Channel

Vis%

1. Meas – 09:37:26

Vis: 0.10%


24

Span NO2 - 600ppb in N2

6.1.4.1. To initiate span check, remove the blank plug from the E-Cell block and connect the span kit. Connect the pipe to gas bottle. As this step is to initiate a zero cal, connect 100% N2 bottle.

6.1.4.2. Set the flow rate to 1 litre per minute, and wait for around 3 minutes. The level will be

displayed on screen.

6.1.4.3. To initiate the zero cal follow the steps of section 5.3.3. ‘Electrochemical Cell Calibration’. Once zero cal has been initiated, wait for around 3 minutes for zero cal to complete, leaving the gas bottle on for around another minute.

6.1.4.4. Once zero cal has been completed, the levels can be checked for the individual gases. Connect NO, at the same flow rate and follow the steps below to check level readings.

Press , the following screen appears.

Use or to scroll through to E-Cell CH1 and press to select E-

Cell CH1. The Display returns to measurement screen displaying E-Cell

CH1 reading.

6.1.4.5. Repeat these steps for the remaining gases of CO and NO2.

6.1.4.6. If the levels are reading incorrectly, follow the steps below. It is possible to use different calibration gas levels, as long as they are within the maximum measurement range of the analyser. 6.1.3. Electrochemical Cell replacement Every 18 months it is required to replace the electrochemical cell. The replacement cells will be supplied from CODEL pre-calibrated complete with card. 6.1.3.1. To remove the electrochemical cell, open the TT700 casing and locate the E-Cell.

Select Channel

E-Cell CH1

Select Channel

E-Cell CH1

1. Meas – 09:34:50

CO: 0.1 ppm


25

6.2.1.2. Remove ribbon cable.

6.2.1.3. Remove the four screws from the four corners of the E-Cell. Ensure that these are kept safe.

6.2.1.4. Slowly remove the E-Cell from the Unit.

6.2.1.5. Insert the new E-Cell in to the unit and screw back in to place.

6.2.1.6. Following this procedure, a calibration must be carried out, follow the steps from section 6.1.1. to section 6.1.4.6. to calibrate.

Note: Failure to replace cells will invalidate the warranty and performance of the analysers after this time cannot be guaranteed.

Electrochemical Cell


26

6.1.4. Part Numbers and List of Replacement CO – 991.606 CO, NO – 991.604 CO, NO, NO2 – 991.598 NO – 991.608 NO, NO2 – 991.614 NO2 – 991.610 6.1.5. Optional Parts Vis Check Filters: 1% - 991.528A

3% - 991.527A


27

Alignment Laser: Please Call CODEL

mA/Relay Card: 803.604D


28

7. Data Communication 7.1.Hardware Configuration 7.1.1.System The PSU supplies power to the AQM. The current and relay outputs of the AQM communicate measurement data to the tunnels' DCS system.

Figure 10 : Tunnel Tech 700 Series - system configuration

7.1.2. Processor Architecture Figure shows the system processor architecture.

Figure 11 : System Processor Architecture


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Each sensor possesses two processors organised as a master/slave pair. In each case, the master processor handles all communications to and from the device, while the slave processor concentrates on the measurement of the parameters necessary for the monitoring process. This enables all sensor processing to be made without interruption by external communications. 7.2. Address Numbers Because communications between the interface and the sensor is serial digital, it is necessary for each sensor to be allocated an address number – the default address is 1 and should not be changed.


30

8. List of Figures Figure 1 : Tunnel Tech 700 Series - network 2 Figure 2 : Tunnel Tech 700 Series - CO/NO/NO2Vis air quality monitor 3 Figure 3 : Tunnel Tech 700 Series - power supply units 12V DC & 24V DC 3 Figure 4 : LED Pulse Graph 9 Figure 5 : Mounting Holes 9 Figure 6 : PSU Arrangement 11 Figure 7 : Electrical Schematic 11 Figure 8 : Power Connection 12 Figure 9 : RS485 12 Figure 10 : System Configuration 27 Figure 11 : System Processor Architecture

27


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Appendix 1: MODBUS Communication & RS485 Connection The MODBUS protocol output of the Tunnel Tech (TT) 700 Series AQM is taken via the 4-way plug. RS485 connection is also available and the following wiring schematic and photograph illustrate the connections for this feature. All instruments will be supplied with a 4-way black plastic plug. Connections in the plug are as follows:

Note that in the plug, terminal 1 must be linked to terminal 3 and terminal must be linked to terminal 2. If no comms. are present first check the address switch setting and if this does not cure the problem swap the polarity of TRx lines + and -.

Optional Extra Diagnostic & Commissioning tool Illustrated is the serial USB-RS485 interface (complete with pc software drivers & cable) supplied by CODEL for temporary connection to the AQM during commissioning and diagnostic communications.


32

Standard MODBUS Communication with CODEL MODBUS TT AQM Summary Using standard MODBUS protocol function 03 allows a host to obtain the contents of one or more holding registers in the CODEL MODBUS TT Air Quality Monitor (AQM). The request frame from the host (typically a DCS or SCADA) defines the relative address of the first holding register followed by the total number of consecutive registers to be read. The response frame from the CODEL TT AQM lists the contents of the requested registers, returning 2 bytes per register with the most significant byte first. A maximum of 125 registers can be accessed per request. The formats of the request and response frames are detailed below, where ‘X’ and ‘n’ are hexadecimal variables. An example of a MODBUS register map is shown below. Host Request Frame

01 Address

03 Function code

XX XX

Address of starting register

00 XX

Number of consecutive registers to be read

XX XX

CRC

Slave Response (from CODEL MODBUS TT AQM)

01 Address

03 Function code

XX Byte count

XX XX …to… …to…

Date from starting register

XX XX

Date from nth register

XX XX

CRC

Standard baud rate - 4800 Bits per byte - 1 start bit

- 8 data bits (least significant sent first) - 1 stop bit - no parity

The MODBUS output from the TT AQM is at 4800 baud format: 1 start bit, 8 data bits, no parity, 1 stop bit. The MODBUS output from the TT AQM will be connected via RS485. The TT AQM comms is Standard Modbus protocol with RTU framing and only function code 03 is supported. The TT AQM will be a MODBUS slave device.


33

Note that this is Standard Modbus protocol NOT Modbus Plus protocol. Reference: AEG Modicon Modbus Protocol Reference Guide PI-MBUS-300 Rev.D. 0070h NO ppm data 0001h = 1ppm, 001Eh = 30ppm

0071h CO ppm data 0001h = 1ppm, 0190h = 400ppm 0072h Opacity data 0001h = 0.01%, 0064h = 1.00%

0073h MOR data 0001h = 1m, 03E8h = 1000m

0074h Vis dim coeff data 0001h = 0.0001m-1, 00AAh = 0.0170m-1 0075h Optical transmission data 0001h = 0.01%, 0064h = 1.00%

0076h NO/CO detector validation data 0000h = valid,>0000h = invalid xx01h CO D1 value too large

xx02h CO D2 value too large xx04h CO D1 value too small xx08h CO D2 value too small xx10h CO D1 or D2 in saturation

01xxh NO D1 value too large 02xxh NO D2 value too large 04xxh NO D1 value too small 08xxh NO D2 value too small 10xxh NO D1 or D2 in saturation

0077h Vis emitter low/calibration data 0000h = valid, >0000h = invalid

xx01h Tunnel wash calibration (takes 30 minutes) xx02h Power-up calibration (takes 4 hours) 01xxh Vis emitter too low

0078h CO detector validation/calibration data 0000h = valid, >0000h = invalid

Joint version of 0076 & 0077 (CO flags in high byte)

007Eh Head type identifier xx01h = AQM 1) Each register is defined to be 2 bytes wide. 2) 30ppm will be represented by binary 0000000 00011110 = 001Eh (hexadecimal). 3) CRC 16 is implemented. 4) Each AQM will have address switch SW1 set as required for the MODBUS address.

Modbus register

location


34

Data Register Locations at CODEL Tunnel Tech 700 Series AQM for Interrogation using Standard MODBUS

Register Format Customer Specific Details

Location Details Data Units Typical Range Value

0070 NOppm XXXX 1ppm 0-30ppm XXXX

0071 COppm XXXX 1ppm 0-300ppm XXXX

0072 Opacity XXXX 0.01% 0-100% XXXX

0073 MOR XXXX 1m 0-9999m XXXX

0074 Visibility dimming coefficient XXXX 0.0001m-1 0-0.015m-1 XXXX

0075 Visibility transmissivity XXXX 0.01% 0-100.00% XXXX

0076 CO/NO detector validation XXXX Logic 0000=valid, det. error if >0000 XXXX

0077 Visibility detector validation/Cal in progress XXXX Logic 0000=valid, 01XX det. er, XX01 Cal XXXX

0078 CO detector validation/Cal in progress XXXX Logic 0000=valid, 01XX det. er, XX01 Cal XXXX

0079 Not used XXXX - - XXXX

007A Not used XXXX - - XXXX

007B Not used XXXX - - XXXX

007C Not used XXXX - - XXXX

007D Not used XXXX - - XXXX

007E Head identifier XX01 Integer Constant XX01


35

Appendix 2 – Optional Heated Mirrors arrangement & connection The mounting arrangement for the heated mirror assembly is shown below.

The heated mirror assembly is wired directly into the 12V or 24V DC power supply as illustrated below.

CO/NO/NO²/VIS Air Quality Monitor


36

Appendix 3 – Menu Interface User Menu Table of Contents

1. Introduction 37 2. Keypad 37 3. Welcome Screen 37 4. Main Menu 37 5. Meas 37 5.1. Select Channel 38 6. Parameters 39 6.1. ID 40 6.2. Comms 41 7. Diagnostics 42 7.1. Running Mode 42 7.2. E-C CH1 Diag 42 7.3. E-C CH2 Diag 43 7.4. E-C CH3 Diag 44 7.5. Vis Diag 46 8. Setup Mode 47 8.1. Calibration 47 8.2. Parameters 49 8.3. Span Factor 50 8.4. mA Output 53 8.5. Relay Output 58 8.6. RTCC 62 8.7. EEPROM 65


37

1. Introduction:

This document is a user manual for LCD menu display for instrument Energy tech

301 which helps to understand and navigate to menus and sub menus using the

unit’s keypad membrane.

2. Keypad Membrane:

Using the keypad buttons user can access the menus and sub menus. The

following buttons are used to do tasks.

3. Welcome Screen:

The welcome screen displays Codel-FM (manufacturer’s name) and TunnelTech

700 (instrument’s name).

Few seconds later the measurement screen appears.

4. Main Menu:

The Instrument has following main menus.

Meas

Parameters

Diagnostics

Setup Mode

5. Meas: Displays measurement reading. An overview of Meas submenus is shown

below.

Meas

Select Channel

Press to exit to main screen or press , the following screen appears.

-To exit to main screen

-To Select/Apply/Exit

-To Scroll up/Increment

-To Scroll Down/Decrement

CODEL – FM

TunnelTech 700

1. Meas - 09:24:29 0.1 ppm

Select Channel

E-Cell CH1


38

5.1. Select Channel: Allows user to select a channel to be displayed. The

following are the submenus.

Select Unit

E-Cell CH1

E-Cell CH2

E-Cell CH3

Vis %

Vis_k

Vis_m

Multi-gas

Exit

5.1.1. E-Cell CH1: Displays E-Cell CH1 data (e.g. CO)


Cell CH1. The Display returns to measurement screen displaying E-Cell

CH1 reading.

5.2. E-Cell CH2: Displays E-Cell CH2 data (e.g. NO)


Cell CH2. The display returns to measurement screen displaying E-Cell

CH2 reading.

5.3. E-Cell CH3: Displays E-Cell CH3 data (e.g. NO2)


Cell CH3. The display returns to measurement screen displaying E-Cell

CH3 measurement.

5.4. Vis%: Displays opacity measurement data.

Use or to scroll through to Vis% and press to select Vis%.

The display returns to measurement screen displaying Vis%

measurement.

Select Channel

E-Cell CH1

1. Meas – 09:34:50

CO: 0.1 ppm

Select Channel

E-Cell CH2

1. Meas – 09:35:45

NO: 1.4 ppm

Select Channel

E-Cell CH3

1. Meas – 09:36:15

NO2: 3.1 ppb

Select Channel

Vis%

1. Meas – 09:37:26

Vis: 0.10%


39

5.5. Vis_k: Displays Vis_k data.

Use or to scroll through to Vis_k and press to select Vis_k.

The display returns to measurement screen displaying Vis_k

measurement.

5.6. Vis_m: Displays Vis_meter data.

Use or to scroll through to Vis_m and press to select Vis_m.

The display returns to measurement screen displaying Vis_m

measurement.

5.7. Multi-gas: Displays Multi-gas data.

Use or to scroll through to Multi-gas and press to select

Multi-gas. The display returns to measurement screen displaying Multi-

gas measurement.

5.8. Exit: To exit from Select Unit submenu.

Use or to scroll through to Exit and press to exit. The display

returns to measurement screen.

6. Parameters: These are different identification and communication settings of

instrument and are read only. An overview of Parameters submenus is shown

below.

Parameters

ID

Manufacturer

Equipment

Soft-Version

Soft-Build

Target Board

Comms

Comms

Protocols

Comms Address

Select Channel

Vis_k

1. Meas – 09:38:14

Vis: 0.0010k

Select Channel

Vis_m

1. Meas – 09:41:38

Vis: -1m

Select Channel

Multi-gas

1. Meas – 09:42:16

CO: 1.2 ppm

Select Channel

Exit

1. Meas- 09:55:14

CO: 0.2 ppm


40

Exit

Press to exit to main screen.

Use or to scroll through to Parameters Menus.

Press to access parameters.

6.1. ID: Allows user to view the factory settings on instrument. The following are

the submenus.

ID

Manufacturer

Equipment

Soft-Version

Soft-Build

Target Board

6.1.1. Manufacturer: Displays manufacturer information.

Press to access manufacturer information.

6.1.2. Equipment: Displays equipment’s name.

Use or to scroll through to Equipment.

6.1.3. Soft-Version: Displays software version used in the instrument.

Use or to scroll through to Soft-Version.

6.1.4. Soft-Build: Displays software built date.

Use or to scroll through to Soft-Build.

Example of date format in screen shot “100216”.

1. Meas- 09:55:14

CO: 0.2 ppm

2. Parameters

2. Parameters

2.1. ID

Manufacturer:

CODEL - FM

Equipment:

TT700-DISPLAY M

Soft-Version:

D17-014-01A

Soft-Build:

010217


41

10 is the date

02 is the month

16 is the year

6.1.5. Target Board: Displays the Circuit Board information that Software

Version on the instrument supports.

Use or to scroll through to Target Board.

Example of target board number format in screen shot “803441A” red

as

“803-441” is the circuit board number.

“A” is the board revision.

6.1.6. Press to exit from ID submenu.

6.2. Comms: These are Serial Communication and communication protocol

settings on the instrument and are read only. The following are submenus.

Comms

Comms (B, D, P, S)

Protocols

Comms Address

Use or to scroll through to Comms.

6.2.1. Comms (B, D, P, S): Displays serial communication parameters.

B - Baud Rate.

D - Data Bits

P - Parity

S - Stop Bits

Use or to scroll through to Comms.

In the above screenshot baud rate is 9600, Data bits are 8,

Parity is 0 and Stop bits are 1.

6.2.2. Protocols: Displays communication protocol used to communicate to

the instrument.

Use or to scroll through to Protocols

6.2.3. Comms Address: Is the communication address of the instrument.

Use or to scroll through Comms Address.

Target Board:

803441A

2. Parameters

2.2. COMMS

Comms (B,D,P,S):

9600,8,0,1

Protocols:

CODEL


42

6.2.4. Press to exit from Comms submenu.

6.3. Exit: Allows user to exit to main menu.

Use or to scroll through to Exit and press to exit to

main menu.

7. Diagnostics: Allows user to view diagnostic data of instrument and are read only

information. An overview of Parameters submenus is shown below.

Diagnostics

Running Mode

E-C CH1 Diag

E-C CH2 Diag

E-C CH3 Diag

Vis Diag

Exit

Press to exit to main screen, use or to scroll to diagnostic

menu.

Press to Access Diagnostics submenus.

7.1. Running Mode: Displays instruments running mode. The following are the

submenus.

Running Mode

Running Mode

Use or to scroll through to Running Mode.

Press to Access Running Mode information.

Press to exit to Diagnostics submenu.

Comms Address:

1

2. PARAMETERS

Exit 2. Parameters

3. DIAGNOSTICS

3. DIAGNOSTICS

3.1. Running Mode

3. DIAGNOSTICS

3.1. Running Mode

3.1. Running Mode

Normal

3. DIAGNOSTICS

3.1. Running Mode


43

7.2. E-C CH1 Diag: Displays E-C CH1 information at different data processing

stages. The following are the submenus.

E-C CH1 Diag

Dcal

DRx

Z

Raw

Smt

Use or to scroll through to E-C CH1 Diag.

Press to Access E-C CH1 Diag Submenus.

7.2.1. ADcal: Displays Dcal information.

Press to Access Dcal Submenus. Use or to

scroll through to ADC Count Raw.

7.2.2. DRx: Displays DRx information

Use or to scroll through to DRx.

7.2.3. Z: Displays Z information.

Use or to scroll through to Z.

7.2.4. Raw: Displays Raw information.

Use or to scroll through to Raw

7.2.5. Smt: Displays Smt information.

Use or to scroll through to Smt.

7.2.6. Press to exit from E-C CH1 Diag Submenu.

3. DIAGNOSTICS

3.2. E-C CH1 Diag

Dcal:

26215

DRx:

26200

Z:

1000

Raw:

0

Smt:

0

Smt:

0

3. DIAGNOSTICS

3.2. E-C CH1 Diag


44


stages. The following are the submenus

E-C CH2 Diag

Dcal

DRx

Z

Raw

Smt

Use or to scroll through to diagnostic E-C CH2 Diag

Submenu.

Press to access submenus and use or to scroll to

different stages of E-C CH2 data.

7.3.1. Dcal: Displays Dcal data.

Use or to scroll through to diagnostic Dcal Submenu.

7.3.2. DRx: Displays DRx data.

Use or to scroll through to Sig Range Ratio Submenu.

7.3.3. Z: Displays Z data.

Use or to scroll through to Z Submenu.

7.3.4. Raw: Displays Raw data.

Use or to scroll through to Raw Submenu.

7.3.5. Smt: Displays Smt data.

Use or to scroll through to Smt Submenu.

7.3.6. Press to exit E-C CH2 Diag submenu.

3. DIAGNOSTICS

3.2. E-C CH2 Diag

Dcal:

26215

Dcal:

26215

DRx:

26200

Z:

1000

Raw:

0

Smt:

0

Smt:

0

3. DIAGNOSTICS

3.3. E-C CH2 Diag


45


stages. The following are the submenus.

E-C CH3 Diag

Dcal

DRx

Z

Raw

Smt

Use or to scroll through to E-C CH3 Diag Submenu.

Press to access E-C CH3 Diag configuration submenus and

use or to scroll through submenus.

7.4.1. Dcal: Displays Dcal data.

Use or to scroll through to Dcal submenu.

7.4.2. DRx: Displays DRx data.

Use or to scroll through to DRx submenu.

7.4.3. Z: Displays Z data.

Use or to scroll through to Z submenu.

7.4.4. Raw: Displays Raw data.

Use or to scroll through to Raw submenu.

7.4.5. Smt: Displays Smt data.

Use or to scroll through to Smt submenu.

7.4.6. Press to exit E-C CH3 Diag configuration sub menu.

3. DIAGNOSTICS

3.3. E-C CH3 Diag

Dcal:

32767

Dcal:

32767

DRx:

32700

Z:

0

Raw:

0

Smt:

0


46

7.5. Vis Diag: Displays Vis Diag. The following are the submenus.

Vis Diag

Vis DTx

Vis DRx

Vis Z

Vis Raw

Vis Smt

Relay Output

Use or to scroll through to Vis Diag configuration

Submenu.

Press to access Vis Diag submenus and use or to

scroll through submenus.

7.5.1. Vis DTx: Displays Vis DTx.

Use or to scroll through to Vis DTx submenu.

7.5.2. Vis DRx: Displays DRx.

Use or to scroll through to Vis DrX submenu.

7.5.3. Vis Z: Displays Vis Z.

Use or to scroll through to Vis Z submenu.

7.5.4. Vis Raw: Displays Vis Opacity Raw

Use or to scroll through to Vis Raw submenu.

7.5.5. Vis Smt: Displays Vis Opacity Smt.

Use or to scroll through to Vis Smt submenu.

3. DIAGNOSTICS

3.5. VIS Diag

VIS DTx:

11373

VIS DRx:

10938

VIS Z:

-10432

VIS Raw:

-0.93

VIS Smt:

0.00


47

7.6. Exit: Allows user to exit to main menu.


main menu.

8. Setup Mode: Setup Mode allows users to Setup instruments. An overview of

Setup mode submenus are shown below.

Setup Mode

Calibration

N/A

Parameters

Span Factor

mA Output

Relay Output

RTCC

EEPROM

PassCode

Press to exit to main screen, use or to scroll through to

Setup mode.

8.1. CALIBRATION: Allows user to Calibrate. The following are the submenus.

CALIBRATION

Enter Full EC Zero Cal

EC CH1 CAL

EC CH2 CAL

EC CH3 CAL

VIS CH ZERO CAL

Press to access setup mode sub menus.

8.1.1. Full EC Zero Cal: Allows user to activate EC Full Zero Cal.

Use or to scroll through to Full EC Zero Cal.

Press to activate Full EC Zero Cal.

8.1.2. EC CH1 CAL: Allows user to activate Cal of EC CH1

Use or to scroll through to EC CH1 CAL.

3. DIAGNOSTICS

Exit 3. DIAGNOSTICS

4. Setup Mode

4. Setup Mode

4.1. CALIBRATION

Full EC Zero CAL

Enter to CAL

Full EC Zero CAL

EC CH1 CAL

00000


48

The most significant digit is highlighted use or to

Increment or Decrement.

Press to move cursor to next most significant digit. Repeat

above procedure to increment or decrement and press to

move cursor to next digit and finally press to exit EC CH1 CAL.

8.1.3. EC CH2 CAL: Allows user to activate EC CH2 calibration.







8.1.4. EC CH3 CAL: Allows users to Cal EC-CH3 The following are the

submenus.




Set EC1 TARGET

00000

EC CH2 CAL

00000

Set EC2 TARGET

00000

EC CH3 CAL

00000

Set EC3 TARGET

00000


49




8.1.5. VIS CH ZERO CAL: Allows user to activate VIS CH Zero Cal.

Use or to scroll through to VIS CH Zero Cal.

Press to activate Full EC Zero Cal.

8.1.6. Exit: Allows user to exit to main menu.


Setup mode submenus.

8.2. Parameters: Allows user to change system paramenters. The following are

the submenus.

Parameters

Comms (B,D,P,S)

Protocols

Comms Address

Exit

Use or to scroll through to Parameters.

Press to access Parameters sub menu.

8.2.1. Protocols: Allows user to change comms protocols.

Use or to scroll through to Protocols

Press to set Protocol after using or to scroll through

and choose protocol to be set.

VIS CH Zero CAL

Enter to CAL

VIS CH Zero CAL

EXIT

Exit to Exit

4. Setup Mode

4.1. CALIBRATION

4. Setup Mode

4.3. Parameters

Comms (B,D,P,S)

9600,8,0,1

Protocols

CODEL


50

8.2.2. Comms Address 1: Allows user to change comms address.

Use or to scroll through to Comms Address 1.

Press to set Comms Address after using or to scroll

through and choose Comms Address to be set.

8.2.3. Exit: Allows user to exit to setup mode submenus.

Use or to scroll through to Exit and press to exit

to Setup mode submenus.

8.3. Span Factor: Displays Allows user to adjust Cal parameters. The following

are the submenus.

Span Factor

EC1 Span Factor

EC1 Offset

EC2 Span Factor

EC2 Offset

EC3 Span Factor

EC3 Offset

VIS Span Factor

VIS Offset

Exit

Use or to scroll through to Span Factor.

Press to view Span Factor sub menu.

8.3.1. EC1 Span Factor: Adjust EC1 Span Factor.

Use or to scroll through to EC1 Span Factor.

Set Protocols

CODEL

Comms Address

1

set comms_address

1

EXIT

Enter to Exit

Setup Mode

4.3. Parameters

4. Setup Mode

4.4. Span Factor

EC1 Span Factor

00.000

EC1 Span Factor

00.000


51





move cursor to next digit and finally press to exit EC1 Span

Factor.

8.3.2. EC1 Offset: Allows user to adjust EC1 Offset.

Use or to scroll through to EC1 Offset.





move cursor to next digit and finally press to exit EC1 Offset.

8.3.2.1. EC2 Span Factor: Allows adjust Span Factor.






Set EC1 S.F

00.000

EC1 Offset

00000

Set EC1 Offset

00000

EC2 Span Factor

00.000

Set EC2 S.F

00.000


52


Factor.

8.3.3. EC2 Offset: Allows user to adjust EC2 Offset.






move cursor to next digit and finally press to exit EC2 Offset.

8.3.3.1. EC3 Span Factor: Allows user to adjust EC3 Span Factor.







Factor.

8.3.3.2. EC3 Offset: Allows user to adjust EC3 Offset.




EC2 Offset

00000

Set EC2 Offset 00000

EC3 Span Factor

00.000

Set EC3 S.F

00.000

EC3 Offset

00000

Set EC3 Offset

00000


53



move cursor to next digit and finally press to exit EC3 Offset

8.3.3.3. VIS Span Factor: Allows user to adjust VIS Span Factor.

Use or to scroll through to VIS Span Factor.





move cursor to next digit and finally press to exit VIS Span

Factor.

8.3.3.4. VIS Offset: Allows user to adjust VIS Offset.

Use or to scroll through to VIS Offset.





move cursor to next digit and finally press to exit VIS Offset.




VIS Span Factor

00.000

Set VIS S.F

00.000

VIS Offset

0000

Set VIS Offset

00000

EXIT

Enter to Exit

4. Setup Mode

4.4. Span Factor


54

8.4. mA Output: Allows user to setup mA output configuration. The following are

the submenus.

mA Output

Abs Location

Type

Validity State

Smoothing Coeff

Span

Zero

4 mA DAC

20mA DAC

Use or to scroll through to mA output submenu.

Press to access mA output sub menus.

8.4.1. Abs Location: Allows user to set up the absolute data location for mA

output configuration. The following are submenus.

Abs Location

Set Abs Location

8.4.1.1. Set Abs Location: Allows users to set the absolute data location.

Press to access and Set Abs Location sub menu.

The most significant digit is highlighted use or

to Increment or Decrement in hexadecimal.

Press to move cursor to next most significant digit.

Repeat above procedure to increment or decrement

and finally press enter to exit Set Abs Location.

8.4.2. Type: Allows user to setup mA range.

Use or to scroll through mA output submenus.

4. Setup Mode

4.45. mA Output

Abs Location

0x01F6

Abs Location

0x01F6

Abs Location

0x01F6

Type:

4.00 – 20.00mA


55

8.4.3. Validity State: Allows user to set up the Validity state in case of data

invalid situation. The following are the sub menus.

Validity State

Set Validity State

Use or to scroll through to Validity state submenu.

8.4.3.1. Set Validity State: Allows user to set the Validity state.

Press to access Set Validity State sub menu.

Validity States Options in case of data invalid

condition.

Zero – measures 4 milliamps.

Simulated – reads the simulated milliamp reading.

Measured – measures milliamps.

Hold Value – Holds the milliamps reading.

Full Scale – reads full scale.

Use or through the different validity state

options and press to exit.

8.4.4. Smoothing Coeff: Allows user to set up Smoothing Coefficient. The

following are the submenus.

Smoothing Coeff

Smoothing Coeff

Use or to scroll through to Smoothing Coefficient

submenu.

8.4.4.1. Smoothing Coeff: Allows users to set Smoothing Coeff.

Press to access smoothing coeff sub menu.

Validity State:

Measured

Set Validity Sta

Measured

Set Validity Sta

Full Scale

Validity State:

Full Scale

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000A


56

Use or to change the smoothing coefficient in

hexadecimal.

Press to move cursor to next most significant

digit. Repeat above procedure to increment or

decrement and finally press to set smoothing

coefficient and exit.

8.4.5. Span: Allows user to set up the span range. The following are the

submenus.

Span

Set Span

Use or to scroll through to Span submenu.

8.4.5.1. Set Span: Allows user to set span range.

Press to access and set up span range sub

menu.

Use or to change the span range in

hexadecimal.


digit. Repeat above procedure to increment and

decrement and finally press to set Span range

and exit.

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000A Smoothing Coeff:

0x000B

Span:

0x03E8

Span:

0x03E8

Span:

0x03E8

Span:

0x03E8

Span:

0x01E8

Span:

0x01F8

Span:

0x01F4


57

8.4.6. Zero: Allows user to set up range for Zero mA. The following are the

submenus.

Zero

Set Zero

Use or to scroll through to Zero submenu.

8.4.6.1. Set Zero: Allows user to set range for Zero mA.

Press to access and set up range for Zero mA.

Use or to change the zero range in

hexadecimal.



decrement and finally press to set Zero range and

exit.

8.4.7. 4mA DAC: Allows user to set up range for 4mA DAC. The following are

the submenus.

4mA DAC

Set 4mA DAC

Use or to scroll through to 4mA DAC submenu.

8.4.7.1. Set Zero: Allows user to set range for 4mA DAC.

Press to access and set up range for 4mA DAC.


hexadecimal.

Zero:

0x0000

Set Zero:

0x0000

Set Zero:

0x0000

Set Zero:

0x0000

Set Zero:

0x0000

Set Zero:

0x0000

Set Zero:

0x0000

4mA DAC

0x0000

Set 4mA DAC

0x0000


58



decrement and finally press to set 4mA DAC and

exit.

8.4.8. 20mA DAC: Allows user to set up range for 20mA DAC. The following

are the submenus.

20mA DAC

Set 20mA DAC

Use or to scroll through to 20mA DAC submenu.

8.4.8.1. Set Zero: Allows user to set range for 20mA DAC

Press to access and set up range for 20mA DAC.


hexadecimal.



decrement and finally press to set 4mA DAC and

exit.

Set 4mA DAC:

0x0000

Set 4mA DAC:

0x0000

Set 4mA DAC:

0x0000

Set 4mA DAC:

0x0000

Set 4mA DAC:

0x0000

20mA DAC

0x0000

Set 20mA DAC

0x0000

Set 20mA DAC:

0x0000

Set 20mA DAC:

0x0000

Set 20mA DAC:

0x0000

Set 20mA DAC:

0x0000

Set 20mA DAC:

0x0000


59




8.5. Relay Output: Allows user to setup Relay output configuration. The following

are the submenus.

Relay Output

Abs Location

Smoothing Coeff

Direction

Level

Data Type

Use or to scroll through to relay output submenu.

Press to access Relay output sub menus.

8.5.1. Abs Location: Allows user to set up the absolute data location for relay

output configuration. It has the following submenu.

Abs Location

Set Abs Location

Use or to scroll through to Abs Location submenu.

8.5.1.1. Set Abs Location: Allows users to set the absolute data location.

Press to access and Set Abs Location.

The most significant digit is highlighted use or

to Increment or Decrement in hexadecimal.

EXIT

Enter to Exit

Set Zero:

0x0000

4. Setup Mode:

4.6. Rly Outputs

Abs Location:

0x1F6

Abs Location:

0x1F6

Set Abs Location

0x1F6

Set Abs Location

0x 1F6


60


Repeat above procedure to increment and decrement

and finally press enter to exit Set Abs Location.

8.5.2. Smoothing Coeff: Allows user to set up Smoothing Coefficient. The

following are the sub menus.

Smoothing Coeff

Smoothing Coeff

Use or to scroll through to Smoothing Coefficient

submenu.

8.5.2.1. Smoothing Coeff: Allows users to set Smoothing Coeff.

Press to access and Smoothing Coeff sub menu.

Use or to change the smoothing coefficient in

hexadecimal.



decrement and finally press to set smoothing

coefficient and exit.

8.5.3. Direction: Allows user to set up direction of the relay. The following are

the submenus.

Direction.

Set Direction

Use or to scroll through to Direction submenu.

Set Abs Location

0x01F6

Set Abs Location

0x01F6

Set Abs Location

0x01F6

Set Abs Location

0x01F7

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000A

Smoothing Coeff:

0x000B


61

8.5.3.1. Set Direction: Allows users to set direction status of relay.

Press to access Set direction sub menu.

The Relay State Options.

Normal

Reverse

Use or to scroll through different relay state

options and press to exit.

8.5.4. Level: Allows user to set up the alarm level. The following are the

submenus.

Level

Set Level.

Use or to scroll through to Level submenu.

8.5.4.1. Set Level: Allows user to set alarm level.

Press to access alarm level submenu.

Use or to change alarm level in hexadecimal.



decrement and finally press to set Span range

and exit.

Direction:

Normal

Set Direction:

Normal

Set Direction:

Reverse

Direction:

Reverse

Level:

0x0064

Set Level:

0x0064

Set Level:

0x0064

Set Level:

0x0064

Set Level:

0x0034

Set Level:

0x0064


62

8.5.5. Data Type: Allows users to setup data type settings to read data from

absolute data location. The following are the submenus.

Data Type

Set Data Type

Use or to scroll through to data type submenu.

8.5.5.1. Set Data Type: Allows user to select data type to read data from

absolute data location.

Press to access Data Type submenu.

Data Type Options:

Byte – Reads byte from start address Absolute data

location.

Word – Reads 2 bytes from start address Absolute

data location.

Use or to change data type to byte or word.

Press to set data type and exit.




8.6. RTCC: Allows user to setup real time calendar clock. The following are the

sub menus.

RTCC.

Time

Date

Exit

Level:

0x0032

Data Type:

Word

Set Data Type:

Word

Data Type:

Byte

Set Data Type:

Byte

EXIT

Enter to Exit

4. Setup mode

4.6. Rly Output


63

Use or to scroll to RTCC.

Press to view RTCC sub menu.

8.6.1. Time: Allows user to setup clock. It has the following sub menu.

Set Time.

8.6.1.1. Set Time: Allows user to set time.

Use or to scroll through to Time sub menu.

Press to access Set Time sub menu.

Use or to increment or decrement most

significant digit on hours.



decrement.

Repeat the above procedure to set minutes and

seconds, finally press enter to set time.

4. Setup mode

4.7. RTCC

Time

15:35:59

Time

15:35:59

Set Time

15:35:59

Set Time

15:35:59

Set Time

15:35:59

Set Time

15:35:59

Set Time

15:45:59

Set Time

15:45:59

Set Time

15:45:09

Set Time

15:45:00


64

8.6.2. Date: Allows user to setup date. It has the following sub menu.

Set Date

8.6.2.1. Set Date: Allows user to set date.

Use or to scroll through to Date.

Press to access set date sub menu.

Use or to increment or decrement most significant

digit on date.


Repeat above procedure to increment and decrement for

month and year and finally press enter to set Date.

8.6.3. Exit: This is to exit from RTCC submenu.

Use or to scroll to exit and press to exit.

Date

15/02/2017

Date

15/02/2017

Date

15/02/2017

Date

15/02/2017

Date

16/02/2017

Date

16/02/2017

Date

16/02/2017

Date

16/02/2017

Date

16/02/2017

Date

15/02/2017

Date

15/02/2017

EXIT

Enter to Exit


65

8.7. EEPROM: Allows user to read and write data into memory. The following are

the sub menus.

EEPROM

Read 0xXXXX

Write 0xXXXX to 0xXXXX

Exit

Use or to scroll through to EEPROM.

Press to access Read sub menu. The first line is memory

location 0x7E80 and the second line is data 0x1234.

8.7.1. Read 0xXXXX: Allows user to read data from memory location. The

following are the sub menus.

Read 0xXXXX

Set Read Address.

Press to Set Read Address.

8.7.1.1. Set Read Address: Allows user to enter memory location to read

data.


significant digit in hexadecimal.



decrement and finally press to set read memory

location.

4. Setup Mode

4.8. EEPROM

READ: 0x7E80

0x1234

Set Read Address

0x0F80

Set Read Address

0x0F80

Set Read Address

0x0F80

Set Read Address

0x7F80

Set Read Address

0x0F80

Set Read Address

0x0F80

READ: 0x7F80

0x01F6


66

8.7.2. Write: Allows user to write data into memory location. The following are

the sub menus.

Write 0xXXXX to 0xXXXX (Write DATA to Memory)

Write 0xXXXX to 0xXXXX (Write DATA to

Memory).

Use or to scroll through to Write 0xXXXX to

0xXXXX.

8.7.2.1. Write 0xXXXX to 0xXXXX: Allows user to enter data to memory

location.

Press to access Write sub menu.





decrement and finally press to set data 0x01F8 in

memory location 0x7F80.

WRITE 0x01F6 to

0x7F80

WRITE 0x01F6 to

0x7F80

WRITE 0x01F6 to

0x7F80

WRITE 0x01F6 to

0x7F80

WRITE 0x01F6 to

0x7F80 WRITE 0x01F6 to

0x7F80

WRITE 0x01F6 to

0x7F80

WRITE 0x01F8 to

0x7F80


67

8.7.3. Passcode: Allows user to set or enter a passcode.

The following are the sub menus.

PassCode

Set New PassCode

Enter PassCode

Use or to scroll through to PassCode.

8.7.3.1. Set New PassCode: Allows user to set a new passcode.

Press to access set New PassCode sub menu.





decrement and finally press to set new passcode.

4. Setup Mode

4.9. PassCode

Set New PassCode

Enter to Confirm

Set New PassCode

0x0000

Set New PassCode

0x0000

Set New PassCode

0x1000

Set New PassCode

0x1200

Set New PassCode

0x1230

Set New PassCode

0x1234


68

8.7.3.2. Enter PassCode: Allows user to enter passcode.

Press to access set Enter PassCode sub menu.





decrement and finally press to enter passcode.




EXIT

Enter to Exit

4. Setup Mode

4.9. PassCode

Set New PassCode

Enter to Confirm

Set New PassCode

Enter to Confirm

Enter PassCode

0x0000

Enter PassCode

0x1000

Enter PassCode

0x1200

Enter PassCode

0x1230

Enter PassCode

0x1234

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