series 4000 recording ammeter instruction manual - …€¦ · 3.1.2 ac wiring notes ..... 3-1 3.2...

Form Number CI-4000 Part Number D301373X012 August 2011

Series 4000 Recording Ammeter Instruction Manual

Remote Automation Solutions www.EmersonProcess.com/Remote


ii Revised Aug-11


Revised Aug-11 iii

Contents Chapter 1 – General Information 1-1

1.1 Product Description ............................................................................................ 1-1 1.2 Theory of Operation ............................................................................................ 1-2 1.3 Model Identification ............................................................................................. 1-3

Chapter 2 – Installation 2-1

2.1 Unpacking the Instrument ................................................................................... 2-1 2.2 Selecting a Location ........................................................................................... 2-1 2.3 Installing the Instrument ..................................................................................... 2-1

2.3.1 Surface Mounting .................................................................................... 2-2 2.3.2 Flush Mounting ....................................................................................... 2-3

2.4 Electrical Connections ........................................................................................ 2-5

Chapter 3 – Field Wiring 3-1

3.1 Electrical Termination ......................................................................................... 3-1 3.1.1 Customer Connection Plate (CCP) ......................................................... 3-1 3.1.2 AC Wiring Notes ..................................................................................... 3-1

3.2 Connections for Recording Ammeters ................................................................ 3-2 3.2.1 Single Range Ammeter ........................................................................... 3-2 3.2.2 Internal and External Connections .......................................................... 3-2

Chapter 4 – Operation 4-1

4.1 Unlocking the Pen Arm ....................................................................................... 4-1 4.2 Installing the Chart .............................................................................................. 4-2 4.3 Operating Chart Drives ....................................................................................... 4-3

4.3.1 Spring-Wound (Dual-Speed) Drives ....................................................... 4-3 4.3.2 Multi-Speed Battery Drive ....................................................................... 4-4 4.3.3 Single-Speed Battery Drives ................................................................... 4-5

4.4 Removing the Chart Plate .................................................................................. 4-7 4.5 Setting the Time Index ........................................................................................ 4-7 4.6 Chart Drive Maintenance Notes .......................................................................... 4-8

4.6.1 Electric Type (120 V AC Powered) ......................................................... 4-8 4.6.2 Spring-Wound Types .............................................................................. 4-8 4.6.3 Battery Type (1.5/3.6 V DC) .................................................................... 4-8

4.7 Fiber-Tip Pen Cartridges .................................................................................... 4-9 4.7.1 Excessive Ink Consumption .................................................................... 4-9 4.7.2 Replacing Cartridges .............................................................................. 4-9 4.7.3 Converting Fountain Pen to Fiber-Tip ................................................... 4-10 4.7.4 Removing the Pen Arm ......................................................................... 4-10


iv Revised Aug-11

Chapter 5 – Service 5-1

5.1 Service Notes ..................................................................................................... 5-1 5.2 Cleaning the Ammeter ........................................................................................ 5-1

5.2.1 Exterior .................................................................................................... 5-1 5.2.2 Interior ..................................................................................................... 5-1 5.2.3 Meter Assembly ...................................................................................... 5-2

5.3 Electrical Calibration ........................................................................................... 5-2 5.3.1 Setup for Recording Ammeter ................................................................. 5-2

5.4 Adjusting the Time Index .................................................................................... 5-3 5.5 Adjusting the Pen Arc ......................................................................................... 5-4 5.6 Adjusting the Shaft Bearing ................................................................................ 5-7 5.7 Adjusting the Pen Arm Pivot ............................................................................... 5-8

Chapter 6 – Specifications 6-1

6.1 General Specifications ........................................................................................ 6-1 6.2 Ammeter Specifications ...................................................................................... 6-1

Appendix A. Material Safety Data Sheets A-1


Chapter 1 – General Information

The Series 4000 Recording Ammeter (4X08-78B) measures variables such as AC line current or AC line voltage on an 8-inch diameter circular paper chart using a fiber-tip pen. Enclosed in a polyester case with shatterproof glass front (sealed with room-temperature vulcanizing silicon), the ammeter can be either flush or surface mounted.

1.1 Product Description Series 4000 Recorders (4X08-87B) measure variables for AC line current on a circular paper chart.

General Features Figure 1-1 shows a typical recording ammeter.

Figure 1-1. Series 4108-87B Recording Ammeters

This instrument has the following general features:

Chart Size: Recording ammeters use 20.32 cm (8-inch) diameter circular charts.

Cases: Recording ammeters are offered in universal (flush or surface) mounted cases. The cases are coated with a polyester gray finish (standard) and are intended for general purpose applications.

Internal Termination: Recording ammeters use internal termination. Field wiring posts are located inside the case above or below the chart plate.

Back or Bottom Connections: Recording ammeters contain a reversible connection plate that can be positioned to bring in wiring or conduit through the back or bottom of the case.

Pens: Recording ammeters use one-pen with a disposable fibertip.

Chart Drives: Spring-wound, AC electric, or battery chart drives are offered.

Positive Lock Chart Hub: An easy-set chart hub clip provides positive center locking of the circular chart.

Large Viewing Area: A large window provides full chart visibility with the door closed.

Calibration: Recorders are provided with zero and span adjustments for field calibration.

Revised Aug-11 General Information 1-1


Measurement Features Recording ammeters have one or more of following measurement features:

AC Current Range: Measures alternating current, provided in standard range of 0-5 amperes at 50-60 Hz.

Optional Test Terminals: Some models provide test terminals to simplify calibration and service procedures.

Pen Lock: The measuring element includes a locking mechanism that you can be set to secure the meter movement and pen system for shipment.

Pen Damping: Magnetic damping minimizes rapid pen fluctuation caused by measured variables having a noise or oscillation component.

1.2 Theory of Operation Recording ammeters employ a meter assembly that positions the pen on the chart. See Figure 1-2.

Figure 1-2. Meter Assembly (Internal View)

1-2 General Information Revised Aug-11


Revised Aug-11 General Information 1-3

The meter assembly contains a coil, a fixed-iron pole piece, and a movable-iron pole piece that pivots freely on a shaft. When no AC is present at the input terminals, a return spring keeps the two pole pieces together. When an AC input is applied to the coil circuit, the coil generates a magnetic field that causes the moving pole piece to move away from fixed pole piece. Since the moving pole piece is attached to the shaft of the pen arm, it will cause the pen to record the amount of movement or input change on the chart of the recorder.

Attached to the rear of the output shaft is a metal vane that pivots between the gap of a circular magnet. In a static condition, the magnetic fields concentrated at the gap have no effect on the vane. When a movement of the output shaft occurs due to a change of input level, the magnetic field at the gap generates eddy currents within the vane. These eddy currents, in turn generate counter fields that oppose the fixed field of the circular magnet. These counter fields partially inhibit motion of the vane and result in a slower but more uniform pen tracking. A counterweight assembly attached to the pen arm shaft functions as a counter balance to minimize mechanical drag.

1.3 Model Identification A data plate affixed to the recorder provides the model and serial numbers, and the measurement range of each pen. Other pertinent data may also be included. Always refer to this plate when requesting support.

The model number listed on the data plate identifies the features of the instrument:

410887-B01:with 24 hour / 7 day drive

410887-B02: Battery Drive


1-4 General Information Revised Aug-11

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Chapter 2 – Installation

This chapter discusses the installation procedures for the Series 4000 Recording Ammeter.

2.1 Unpacking the Instrument Carefully remove all protective cushioning material, cardboard guards, and shipping tape. Check the accessory mounting kit (if included) for completeness.

The ammeter ships with its pen secured in a fixed position. Remove any tape, elastics or packing material as required. Do not apply excessive force to mechanisms while unpacking as calibration errors or damage may result.

2.2 Selecting a Location Series 4000 instruments are intended for general-purpose indoor installations. When choosing a site for the instrument, select one that is convenient to both the process and operator. Avoid areas with high levels of dust or corrosive fumes. Avoid installation sites subject to severe vibration or mechanical shock.

Make sure the instrument operates within its stated temperature and humidity range (see Chapter 6, Specifications). If ambient conditions exceed the stated temperature and humidity, errors and poor performance may result. Prolonged operation under extreme ambient conditions may also cause instrument failure.

Warning Do not install or operate these instruments in environments containing combustible air-borne particles or flammable gases. These instruments contain electrical devices, which could (under certain conditions) generate sparks and result in flash fire or explosion.

2.3 Installing the Instrument Before installing the instrument, make sure that the area provides good illumination for the operator. Allow sufficient clearance for the door to swing open and for any back or bottom connections to enter the instrument.

Install the instrument so that it is level on both its horizontal and depth axis. This ensures that the instrument provides its maximum performance.

Figure 2-1 shows the overall mounting dimensions for various types of instruments.

Revised Aug-11 Installation 2-1


Figure 2-1. Series 4000 Recorders – Universal Mounting

2.3.1 Surface Mounting For this type of installation, fasten the instrument to a wall or flat surface using the three reversible universal mounting brackets contained in the accessory kit. Mount the brackets at the rear of the recorder as shown in Figure 2-2. Drill starting holes for each bracket at the required distances. Insert lag bolts or screws through the bracket holes and tighten each until the case is already secured.

2-2 Installation Revised Aug-11


Figure 2-2. Surface Mounted Unit

2.3.2 Flush Mounting For this installation, mount the instrument in a panel cutout as shown in Figure 2-3. Use the reversible universal mounting brackets and tension bolts shown in the illustration and tighten each bolt until the instrument is rigid and self-supporting. Secure the bolt locking nuts to maintain the setting.



Figure 2-3. Flush Mounted Unit



2.4 Electrical Connections The Series 4000 Recording Ammeter is furnished with a Customer Connection Plate (CCP), shown in Figure 2-4.

Figure 2-4. Customer Connection Plate

The CCP has four 7/8” holes. CCPs are factory-furnished with either protective plugs or electrical binding posts. All four openings associated with CCPs that are provided with binding posts for external connections (of any sort) are machined with 1/2” D-holes.



Chapter 3 – Field Wiring

This chapter discusses field wiring for the Series 4000 Recording Ammeter.

3.1 Electrical Termination Recording ammeters use internal electrical terminal connections. Models with internal connections have the wiring terminals located inside the case on the ammeter assembly and on the chart drive.

3.1.1 Customer Connection Plate (CCP) All models are furnished with a CCP (see Figure 2-3 in Chapter 2). The CCP has four 7/8” holes. CCPs are factory-furnished with either protective plugs or electrical binding posts.

3.1.2 AC Wiring Notes Instruments are factory-configured with the customer-specified current range.

Make sure that voltage listed on the instrument data plate conforms with the local power source before making any connections. Using the wrong supply voltage can result to improper operation or instrument burnout.

Warning Do not attempt to connect live wires to the input terminals. The instrument AC power source must be turned off to prevent electrical shock.

Recorders are furnished with a green grounding screw inside the case (typically found below the chart plate on the base). It is essential that this screw connects to an approved earth ground to provide maximum safety for users.

Warning Electrically powered instruments must be properly grounded to protect users from electrical shock and possible fatal injury. Grounding should be performed in accordance with the National Electrical Code, ANSI/ISA standard S82.01, S82.02 and S82.03 and local regulations.

If the instrument is wired for an AC power outlet, a three-pronged plug is required. The wire coming from the green-coded prong of the plug must connect to the green grounding screw of the instrument.

If AC wiring is brought in through a metal power conduit, then a separate wire from the ground point must connect to the green grounding screw of the instrument.

Revised Aug-11 Field Wiring 3-1


3.2 Connections for Recording Ammeters This section discusses electrical connections for recording ammeters.

3.2.1 Single Range Ammeter Figure 3-1 shows the internal schematic of a single-range ammeter.

Figure 3-1. Single-Range Ammeter Circuit

This instrument contains a single meter coil that provides a 0-5 A range. Make input connections by opening one leg of the AC line and wiring both ends across the CURRENT terminals located on the terminal plate. These connections effectively place the meter coil in series with the external load.

3.2.2 Internal and External Connections Some models with AC electric chart drives have the 120 V AC power source connected directly to terminals on the drive unit (L1 and L2), as shown in Figure 3-2. However, other models have the AC power source connected to separate terminal blocks, shown in Figure 3-3.

3-2 Field Wiring Revised Aug-11


Figure 3-2. Internal Terminal Connections for Series 410887

Ammeters

Revised Aug-11 Field Wiring 3-3


Figure 3-3. External Terminal Connections for Series 410887

Ammeters

3-4 Field Wiring Revised Aug-11


Chapter 4 – Operation

This section discusses the operation of the chart drive and inking system, including procedures for unlocking the pen arm, installing charts, operating chart drives, removing chart plates, setting time indexes, and using pen cartridges. Maintenance procedures for chart drives and inking systems are also included.

4.1 Unlocking the Pen Arm Recording ammeters include a pen arm-locking device for each pen. The lock protects the pen arm and meter movement/s during shipment or storage. Figure 4-1 shows the operating components.

Note: Make sure that the locking knob is turned to its maximum counter-clockwise rotation during operation. The locking knob interferes with the movement of the pen arm if left anywhere in between. Turn the locking knob to its maximum clockwise rotation when preparing the instrument for shipment or storage.

Figure 4-1. Operating Components

Revised Aug-11 Operation 4-1


4.2 Installing the Chart Install the circular paper chart (8 inch diameter) as follows:

1. Open the recorder door by lifting the latch upward.

2. Release the pen lifter rod (see Figure 4-1) from the upper guide slot holder and move downward to raise the pens from the chart. Slide the chart hub clip towards its rounded end and flip it upwards to unlock it.

3. Slide the chart hub clip (see Figure 4-1) towards its rounded end and flip it upwards to unlock it.

4. Lift the old chart (if present) from the bottom and remove it from the hub.

5. Insert the new chart under the pen and over the hub. Position the chart so that the upper edge is under the guide slot and the left part is under the time index.

6. Rotate the chart by hand until the desired starting time on the chart is indicated by the time index.

Note: The time index corresponds to the arc traced by the pen. Flip the chart hub clip down and slide it horizontally to lock the chart into position.

7. Lower the pen on the chart by returning the pen lifter to its rest position above. The chart installation is complete.

Figure 4-2. Using the Chart Hub Clip

4-2 Operation Revised Aug-11


4.3 Operating Chart Drives Recorders use electric, spring-wound, and battery-powered chart drives.

4.3.1 Spring-Wound (Dual-Speed) Drives Dual speed drives are hand-wound in the same manner as described for single-speed drives. See Figure 4-3 These drives operate immediately after winding.

SpeedAdjuting Sc rew

SpeedShift

Lever

Quickest Chart Hub(Push Clip Closed)

KeyWinding

Shaft

Figure 4-3. Dual-Speed, Spring-Wound Chart Drive

Select the desired speed by moving the speed shift lever in either direction. Some recorder models may require you to remove the chart plate to access this lever. Other models provide an access opening in the chart plate.

Note: The speed shift lever operates tightly and requires a firm movement to change speeds.

The speed of the dual-drive speed may be tested in the same manner as described for single-speed drives.

Note: Setting the speed adjustment screw for one speed automatically corrects the second speed.

In general, it is recommended that calibration be performed at the drive’s lowest speed. The user can also calibrate the most frequently used speed.



4.3.2 Multi-Speed Battery Drive The battery-powered chart drive provides selectable speeds of 60 and 96 minutes, 12 hours, and 1, 2, 7, 8, 14, 16, 31, and 32 days (see Figure 4-4).

Note: Refer to Section 4.3.3 for a discussion of single-speed battery drives.

Figure 4-4. Multi-Speed Battery Chart Drive

The chart drive is accessible through an opening in the chart plate. The 12-position switch includes an OFF position to turn off the battery power when the recorder is not in use. Set the switch using a screwdriver.

The chart drive accepts either a 1.5 V alkaline or 3.6 V lithium, C-size battery. A removable cover at the front of the drive provides access to the cell compartment. To release the cover, press a plastic snap on the cover toward the center of the drive.

Note: When inserting the battery in the compartment, be sure to check electrical polarity: the positive drive contact is marked with a "+" sign. The drive does not operate if you install the battery with reversed polarity. Use only alkaline cells in these drives.



Once the battery is installed, insert a screwdriver into the speed selector slot and set the selector to the desired speed. The drive operates immediately and a light in the center of the selector blinks to indicate normal operation. If the recorder is not in use, set the speed selector to OFF to prolong battery life. If you need to store or ship the recorder, remove the battery from its compartment.

4.3.3 Single-Speed Battery Drives Some versions of Series 4000 Ammeters have a circular battery drive. This drive operates at a fixed speed but uses a plug-in programmer assembly to change speed. Table 4-1 indicates the available programmer assemblies and part numbers.

Programmer Assembly Part Number Programmable Drive Assembly w/o Programmer 389306-10-0 24-Hour Plug-in Programmer 389306-21-5 7-Day Plug-in Programmer 389306-22-3 31-Day Plug-in Programmer 389306-23-1

Table 4-1. Programmable Speed Drives & Part Numbers

This drive has a built-in battery compartment that accommodates a 1.5V, C-size alkaline battery. To access the battery compartment, first remove the chart plate. Then insert a screwdriver into the cover slot and pry it off (see Figures 4-5 and 4-6).

Note: When inserting the battery in the compartment, be sure to check electrical polarity: the positive drive contact is marked with a "+" sign. The drive does not operate if you install the battery with reversed polarity. Use only alkaline cells in these drives.



Figure 4-5. Battery Operated Programmable Drive Unit (with Battery Compartment Cover Present)

Figure 4-6. Battery Operated Programmable Drive Unit (with

Battery Compartment Cover Removed)



4.4 Removing the Chart Plate

Warning High voltages are present in the recorder (120 or 240 V AC). Models with external termination also have high voltages present at the rear of the instrument. Turn off all power applied to field wiring terminals before performing maintenance procedures.

The chart plate must be removed on some models to gain access to the chart device, wiring terminals, and other components.

1. Unlatch the pen lifter from the upper guide slot and move it downward to raise the pen from the chart.

2. Remove the chart paper (if present) as described in Section 4.2, Installing the Chart.

3. Remove the two screws at the bottom of the chart plate. Maneuver the chart plate downward and outward to clear the chart hub and pens. Carefully place the chart plate aside.

4. Slowly guide the upper part of the plate into the upper hook brackets while simultaneously pushing the lower part inward. Replace the two screws.

5. Replace the chart on the hub as previously described. Return the pen lifter to its rest position to lower the pens on the chart.

4.5 Setting the Time Index The time index (see Figure 4-1) must point to the arc traced by the pen. Users will encounter a screw-type and a snap-on type time index. To set the screw type:

1. Loosen the screw.

2. Position the index on the edge of the chart plate as required.

3. Tighten the screw to secure the position.



To set the snap-on type:

1. Pry it off the edge of the chart plate.

2. Align it with the pen.

3. Press it back firmly into the plate edge.

4.6 Chart Drive Maintenance Notes This section provides general maintenance and service checks for the three types of chart drives (electric, spring-wound, and battery). Refer to the appropriate procedure for your drive.

4.6.1 Electric Type (120 V AC Powered) Users will encounter a screw-type and a snap-on type time index. To set the screw type:


2. Position the index on the edge of the chart plate as required.

3. Tighten the screw to secure the position.

To set the snap-on type:

1. Pry it off the edge of the chart plate.

2. Align it with the pen.

3. Press it back firmly into the plate edge.

Note: Electric drives are no longer available.

4.6.2 Spring-Wound Types These motors are factory-lubricated and do not require routine maintenance other than external cleaning. If the drive fails to operate, factory repairs or replacement may be required.

4.6.3 Battery Type (1.5/3.6 V DC) These motors do not require routine maintenance other than replacing an expended battery. If the drive does not turn, check the compartment for bad connections or possible corrosion; the contacts should be bright and clean. Also, check that the battery output is 1.5 for the alkaline type, or 3.6 V for the lithium type (the drive accepts either type). Check the battery under load. Replace a battery that does not meet specifications.



4.7 Fiber-Tip Pen Cartridges Fiber-tip pens (see Figure 4-7) provide the user with the convenience of disposable cartridges.

Figure 4-7. Installation of Fiber Tip Pen Cartridge

Each cartridge has a capacity of approximately 700 feet (213 meters) of writing. A fresh supply of ink is obtained each time the cartridge is changed. No cleaning or maintenance is required.

4.7.1 Excessive Ink Consumption If a recorder uses a considerable number of cartridges, the measurement application could be the problem. High ink consumption can sometimes be traced to a measured variable that generates continuous wide swings or one that oscillates or jitters. An open measurement circuit can cause continuous wide swings, while oscillation may be the result of excessive electrical noise on the line.

4.7.2 Replacing Cartridges Fiber-tip pen cartridges are furnished in packages of six according to user’s color preference.



Use this procedure for replacing cartridges. A small, flat-edge tool such as a screwdriver may be required to pry off the holding clip. 1. Unpack a new fiber-tip pen cartridge and carefully remove the

cap covering the pen tip. Do not touch the pen tip.

2. Push down the pen lifter to raise the pen from the chart.

3. Unsnap the holding clip (see Figure 4-7). Use a small screwdriver to pry out an outer edge of the clip. Discard the clip and the empty cartridge.

4. Position the new cartridge on the arm. Fit the nib of the pen into the V-shaped slot of the pen arm.

5. While holding the cartridge in place, position the new holding clip behind the pen arm and snap it on to the cartridge. Make sure the outer end of the holding clip engages the outer ridges of the pen cartridge.

6. Return the pen lifter to its rest position. The pen should begin tracing on the chart.

4.7.3 Converting Fountain Pen to Fiber-Tip Models with fountain pens can be converted to fiber-tip pen cartridges. The conversion consists of removing the fountain pen assembly and installing the fiber-tip pen cartridge in its place. A holding clip furnished with the fiber-tip pen is used to secure the cartridge to the pen arm. The pen arm on certain models may not accommodate the cartridge due to a ridge running along the arm length. For these models, the pen arms must be remounted so that the ridge faces inside the recorder enclosure. See Removing the Pen Arm for disassembly procedure.

4.7.4 Removing the Pen Arm The flexible pen arm can be removed for cleaning or replacement. Loosen the detachment screw on the pen mounting assembly (see Figure 4-8) and pull the arm downward to free it from the mounting. Once the arm is free, inspect it for dirt or film. If necessary, clean the arm using hot water and detergent. Rinse the arm thoroughly and dry the arm. When reinstalling the pen arm, push the pen arm firmly against the shoulder head on the pen mounting. Make sure the notch in the arm fits into the shoulder head so that the correct travel arc of the pen is maintained. Tighten the detachment screw with your fingers to secure the arm position.



Figure 4-8.Removing the Pen Arm



Chapter 5 – Service

This section discusses service notes and procedures for the Series 4000 Recording Ammeter.

5.1 Service Notes Servicing should only be performed by technically competent persons skilled in the use of electronic test equipment and having knowledge of troubleshooting procedures.

Warning Exercise care when performing service procedures inside the recorder enclosure. The internal circuitry of the recorder operates at electrical potentials sufficiently high to cause electrical shock and serious injury. It is essential that all external AC power sources wired to the recorder be turned off prior to performing any maintenance procedures.

When completing service procedures, make sure the instrument door is closed and that its latch is set firmly down to ensure a good seal and to minimize entry of dirt, moisture and fumes that could impair instrument performance or cause component failures.

5.2 Cleaning the Ammeter

5.2.1 Exterior Keep the instrument clean to minimize wear and tear on critical components. Use a damp cloth moistened with a mixture of warm water and detergent to clean the exterior of the enclosure. Do not pour or spray cleaning liquids on the case, as liquids can damage electronic components, which could result to poor equipment operation or total failure.

5.2.2 Interior Clean the interior with a soft brush or low-suction vacuum cleaner. A slightly dampened cloth may be used to clean film from interior surfaces of the enclosure. Mechanical parts may be cleaned with an approved instrument cleaning fluid. Do not saturate electronic assemblies with liquids and do not force or bend any mechanical assemblies.

Revised Aug-11 Service 5-1


5.2.3 Meter Assembly Meter assembly requires no maintenance other than an occasional light brushing to remove dust. Frequency of cleaning varies with the operating environment of the instrument.

5.3 Electrical Calibration The following equipment is required to check instrument calibration:

Current test source for Recording Ammeter must provide signal levels equivalent to 0%, 50% and 100% of the instrument range.

Digital Multimeter (DMM) measures voltage or current. Minimum accuracy is ±0.1%.

Miscellaneous equipment includes screwdriver set, hexdriver set, and connecting wire.

Warning The calibration setups described in this section utilize high voltages (120/240 V AC) that can cause serious shock or injury. Always ensure that AC power to the test setup is turned off when making or changing electrical connections. Power should also be turned off when changing range jumpers on dual-range Recording Ammeters.

5.3.1 Setup for Recording Ammeter Figure 5-1 shows the setup for calibration:

Figure 5-1. Ammeter Calibration Setup

Once calibration is complete, both the low and high range should be within specifications. If the high range has an error, it may indicate problems with the high-range meter coil.

5-2 Service Revised Aug-11


5.4 Adjusting the Time Index The time index points to the time coordinate being recorded by the pen arm.

There are two types of time indexes furnished with recorders: one type is held in place with a set-screw, while the other snaps into place.

With a chart installed in the recorder, temporarily unsnap the chart hub clip (see Figure 5-2) and position the chart so that the pen tip rests exactly on a time coordinate line. If the time index does not point to the same line, adjustment is required.

For set-screw-type indexes:


2. Reposition the index.

3. Tighten the screw.

Note: If a sufficiently small screwdriver is not available, it may be necessary to remove the chart plate to access the screw head.

For snap-on type indexes:

1. Carefully pry off the index from the edge of the chart plate.

2. Reposition the index and snap it back on.



Figure 5-2. Single-Pen Model

5.5 Adjusting the Pen Arc The pen should trace an arc that is nearly identical to the arc of the chart coordinates. The arc extends across the full recording radius of the chart.

To adjust the pen arc:

1. Turn off or remove the current or voltage applied to the input selected for testing.



2. Manually position the pen assembly to the minimum coordinate of the recording zone (0% of range). You need to grasp the pen by its holder and not by the flexible arm (see Figure 5-3).

Figure 5-3. Frontal View of Meter Assembly

3. Line up the chart so that the pen rests exactly on the minimum range coordinate.

4. Slowly move the pen across the chart, so that it traces an arc, until the maximum range value (100% of range) is reached.

5. Observe the shape of the arc traced by the pen. If the pen is superimposed accurately over the selected time coordinate, no adjustments are required. Otherwise, proceed to the next step.

6. Remove the chart and chart plate from the recorder.

7. A pen arc adjustment is located at the lower right of the meter assembly as noted in Figure 5-4. It consists of an adjustable bolt secured by a hex nut. Mark the position of the pen arc adjusting screw.



Figure 5-4. Internal View of Meter Assembly

8. Slightly loosen the hex nut and turn the bolt a small amount in either direction. Do not turn the bolt more than ½ turn at this time and secure the adjustment. Replace the chart plate and chart and repeat steps 3 to 5.

9. Note if the error increased or decreased over the previous test. If necessary, remove the chart and chart plates and turn the pen arc adjustment in a direction to minimize the error. Keep track of the number of bolt rotations if it becomes necessary to exceed one revolution. Repeat this procedure until proper tracking is achieved.

10. If the adjustment appears to be out of range, return to its original starting point and try again. Be sure to secure the hex nut when adjustments are complete.



5.6 Adjusting the Shaft Bearing The pen arm is attached to the shaft of the meter assembly as shown in Figures 5-3 and 5-4. The shaft must have the correct endplay in order to provide proper tracking of the pen arm. The shaft bearing adjustment as shown in Figure 5-3 controls the endplay. This adjustment is set at the factory and will probably not require field adjustment for the life of the instrument. Use the procedure below to check the shaft bearing adjustment using a mechanical dial indicator:

1. Turn off power to the recorder and power input circuit.

2. Remove the pen and lay the recorder on its back on a level of surface.

3. Secure the dial indicator on a level surface.

4. Lightly pull and push against the shaft and take note of the indicator readings. If the indicator readings fall between 0.008 to 0.012 inch, no adjustment is required. Otherwise, proceed to the next step.

5. Slightly loosen the locking nut that secures the shaft pivot adjustment screw.

6. Carefully turn the shaft bearing adjustment screw a small amount (1/8 turn or less) in either direction to make a correction (clockwise rotation of the screw tightens the pivot). Recheck the pen arm movement after the adjustment and make additional adjustments as required.

7. Once the shaft has the proper endplay, carefully secure locking nut. Recheck the endplay to make sure it did not shift when the nut was tightened.

8. When adjustments are complete, set the recorder upright and install the pen. Apply power and check as noted under Section 5.3, Electrical Calibration.




5.7 Adjusting the Pen Arm Pivot The pen arm should fit snugly into its holder assembly without binding. This adjustment requires a small screwdriver.

1. Turn off power to the recorder and input circuit.

2. Raise the pen arm (see Figure 5-4) about one inch from the chart by hand and lower it to the chart. Repeat this procedure several times.

3. The arm should not bind, nor should it be so loose that it wobbles laterally in its holder assembly. If the arm does not meet these qualifications, proceed to the next step.

4. Turn the pen arm pivot arm adjustment screw about ¼ of a turn in either direction (clockwise turning tightens the pivot). Repeat steps 2 and 3 to obtain the proper pivot action.

5. When adjustments are complete, reapply power to the recorder and input circuit and check recorder operation.


Chapter 6 – Specifications

This section discusses the general specifications of the Series 4000 Recording Ammeter.

6.1 General Specifications Types of Recorder: Ammeters

Enclosure: Rectangular, die-cast aluminum case with gasketed aluminum door with a gray polyester finish standard

General Dimensions: 365.25×273.05×147.06 mm (14.38×10×10.75×5.79 in)

Electrical Connections: Internal

Inking System: Fiber-tip pen cartridge

203.2 mm (8 inch) diameter charts on all models

Chart Drive Types:

o Spring-wound, dual-speed drive: 24 hours/7 days

o Electric drive (no longer available): 24 hours/7 days; offered with 120/240 Vac, 50/60 Hz power sources; power consumption is 3-6 watts.

o Battery drive: 60 and 90 minutes, 12 hours and 1, 2, 7, 8, 14, 16, 1 and 32 days. Uses 1.5 V alkaline or 3.6 V Lithium battery.

6.2 Ammeter Specifications Meter Movement: Moving iron type

Standard Input Ranges: 0.5 A AC @ 50/60 Hz

Miscellaneous: Refer to Table 6-1

Characteristics and Influences

Single or Dual Range 5 to 10 A Type

Calibrated accuracy, % of full-scale value

±1% (top 80% scale)

Loss (Burden), VA x power factor 5.5 Not including 4 VA for electric chart drive

Sensitivity, ohms-per-volt 32.8% Ambient temperature influence % (of full scale) change in reading caused by ±10°C variation from 25°C

<.1%

Frequency influence % (of full scale) change in reading caused

<.1%

Revised Aug-11 Specifications 6-1


6-2 Specifications Revised Aug-11

Characteristics and Influences

Single or Dual Range 5 to 10 A Type

by ±1% deviation from rated frequency Frequency influence % (of full scale) change in reading caused by ±10% deviation from rated frequency

<.1%

Frequency influence % (of full scale) change in reading caused by ±2.5% deviation from rated frequency

<.1%

External field influence % (of full scale) change in reading caused by magnetic field of 5 Osersteds.

<.1%

Speed of response 0.3 Sec. – 95% of Full Scale

Table 6-1. AC Ammeter Specifications


Appendix A. Material Safety Data Sheets

This appendix provides Material Safety Data Sheets (MSDS) in compliance with OSHA’s Hazard Communication Standard, 29 CFR 1910.1200. Consult this standard for specific requirements.

Two MSDSs are in effect for the Series 4000 Recording Ammeter:

MSDS #1008, Slow Dry Aqueous Recording Ink from Graphic Controls (available at www.graphiccontrols.com)

MSDS #1088, Non Bleed Aqueous Recording Ink from Graphic Controls (available at www.graphiccontrols.com)

Table A-1 cross-references the recording inks with the respective MSDS.

Emerson Part # GC Part # Color Description MSDS # 382476-16-6 30988912 Red 1 Oz. (Squeeze Plastic Bottle 1088 382476-07-7 30982683 Red 1 Pint (16 Oz.) (Plastic) 1008 382476-10-7 30987864 Red 1 Quart (32 Oz.) (Plastic 1008 382476-17-4 30988870 Blue 1 Oz. (Squeeze Plastic Bottle 1008 382476-08-5 30988920 Blue 1 Pint (16 Oz.) (Plastic) 1008 382476-11-5 31375291 Blue 1 Quart (32 Oz.) (Plastic 1008 382476-18-2 31417499 Green 1 Oz. (Squeeze Plastic Bottle 1008 382476-12-3 30987849 Green 1 Quart (32 Oz.) (Plastic 1008 382476-34-4 31417481 Black 1 Oz. (Squeeze Plastic Bottle 1008 375985-01-8 30929890 Red Short Tip,#1 Pen 1088 375985-02-6 30930245 Blue Medium Tip,#2 Pen 1088 375985-03-4 30930252 Green Long Tip, #3 Pen 1088

Table A-1. Recording Inks

Revised Aug-11 Material Safety Data Sheet A-1


A-2 Material Safety Data Sheet Revised Aug-11

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NOTICE

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