1 on board terminal technical characteristics functions messages sim requirements sensors for...
TRANSCRIPT
1
On Board Terminal
Technical characteristics
Functions
Messages
SIM requirements
Sensors for OBT
Installation
2
Technical characteristics
Product: RT 1110-20-05
operating temperature range ( -20 + 55) C
SIM card 3.3 v - active (supply by EDC)
SIM and the SMSC are supplied by the same GSM provider
permanent allocation on the wagon (fixed assembly)
Vibration: EN50155 compliant
Shock resistance: EN50155 compliant
Waterproof : IP65
EMC: according to EN50155 and CE
Dimension: outer dimensions 253 x 243 x 145 mm
Weight: 5750 g
MTBF (mean time between failure 50.000 hours)
3
Technical characteristics
Power supply duration 5 years
Type of batteries: not rechargeable, Li batteries
Internal shocks in the direction of shock sensor: the traffic
(for example by shunting) > 23,5 m/s2 (approx. 2,4 g)
Internal memory: 384 Kbyte for user data
Antennas integrated into housing
Satellite-based GPS tracking module
Tracking accuracy < 20 m according to assembly position
4
Technical characteristics
GSM mobile radio data module 900 MHz module
Transmit power 2 W (class 4)
SMS (Text/PDU-Mode MO, MT) and SMS-Cell-Broadcast
Housing
Construction: round steel body with welded bottom with
firmly placed synthetic domed cap
Material of body: steel ST37, wall thickness 4,5 mm, powder-
coated surface
Maintenance-free over 5 years
5
Functions
status of the wagon (loaded / unloaded).
shock detection (in the sense of shocks caused by shunting)
Position tracking by GPS
wagon speed and direction are calculated in the OBT and are
sent to the ground station (but only on request -polling)
alarm of low charge battery (two thresholds according to the
remaining operating time of less than 8 % and 4 %,
respectively)
6
Functions
The OBT exchange messages via SMS to the Ground Station
and a software update to the OBT via GSM data channel.
The OBT should be characterised by a unique identifier (SIM
identifier and Serial number)
The OBT is individually configurable.
The OBT can run in three different modes (active mode, sleep
mode, time table supervision mode) and is able to switch
automatically from active mode into the sleep mode.
7
Functions
The SMS sending interval cannot be determined according
the moving status of the wagon. The interval depends on the
actual OBT mode (active mode, sleep mode, time table
supervision mode).
A deviation from the reference of loading status can
automatically be reported to the Ground Station during time
table supervision mode.
Running / no running is detected during time table
supervision mode.
8
Functions
OBT can load 128 way-points. Each one consists of 2
wake-up times, tolerance radius and target status for the
sensors. The time table supervision function is time-controlled.
A special target detection feature is available only for the final
station of the time table in case of delay. This is an internal OBT
function which roughly calculates the expected time of arrival
(ETA).
9
SleepingMode
Active Mode
Timetablesupervision
mode
1.1 WagonStartsRunning
1.2 Wagon
StopsRunning
Basic Operating Policy
10
SleepingMode
ActiveMode
2.1 WagonStarts Running
2.2 WagonStopsRunning
2.3 Timetable datainputvia SMS messages
2.5 Timetabledata input
via SMSmessages
2.4 End of trip
Timetablesupervision
mode
Enhanced Operating
Policy
11
Messages
log-in in the GSM network 1 x per hour
position determination include check
of the loading sensor 4 x per day
sending of two SMS 2 x per day
receiving of one SMS 1 x per 2 days
supervision of the internal shock sensor continuous
supervision of the battery including calculation
of the remaining working time continuous
12
On Board
Terminal (OBT)
RT 1110-20-05
13
On Board
Terminal (OBT)
RT 1110-20-05
14
SIM Requirements
SIM and SMSC are supplied by the same GSM provider.
SIM must be suitable to be used in a GSM 900 network
MiniSIM format with 3.3 V operating voltage
transparent data exchange and SMS transmission
each SIM should only have one telephone number
SIM and SMSC of the network operator have to support 8 bit
binary SMS (Data Coding Scheme DCS =0xF6)
SIM should allow to change the programmed provider list
15
SIM Requirements
tel.number of the GSM provider to be used to activate the SIM
telephone number of the SIM
SMSC number of the GSM network/provider,
PIN 1 and PIN 2,
PUK 1 and PUK 2.
------------------------------------------------------------------ Legend ------
1 SIM - Subscriber Identity Module
2 GSM - Global System for Mobile Communication
3 SMSC - Short Message Service Centre
4 SMS - Short Message Service
5 PIN - Personal Identification Number
6 PUK - Personal Unblocking Key
16
Sensors for OBT
Loading sensor (RT us-01)
Detection of loading status empty / loaded on any freight
wagon type
Functional principle: periodic gap measurement between
wagon body and rail track including comparison with threshold
Ultrasonic sensor with 6 m connection coaxial cable
Housing of ultrasonic sensor and sensor support of plastic
adapter (thickness 2 mm) and calibration device (thickness 8
mm) of steel ST37
Assembly: Welding of assembly adapter at bottom side of
superstructure of freight wagon vertically to rail track
Weight: 2.650 g
17
Loading sensor (RT us-01)
Temperature range: - 40 °C up to + 85 °C
Measurement range: 500 - 650 mm
Resolution: 1 mm
Accuracy: ± 3 mm
Threshold: variable, programmable
Loading sensor: RT us-01
-------------------------------------------------------------------
Door sensor for 4 doors: RT sk-01 (not used)
Temperature sensor: CT tp-01 (not used)
18
Loading sensor
(RT us-01)
19
Loading sensor
(RT us-01)
20
n.3 Types of equipped wagons Installation
Loading sensor
(RT us-01)
positioning
21
Installation
tamper sensor
positioning
22
Installation
door sensor
(RT sk-01)
positioning
23
Installation
Example of OBT
positioning
24
Example of OBT
positioning
25
Start-up
GSM network
Modem GSM
OBT+ loading sensor
laptop Modem
INTERNET
HUBProcessor
IVU, Sciro, …
Laptop + modem (EDC hw+sw)
26
Task description responsabilities Deadline deliverables Notes"how to use the OBT functionalities" TECNO half of May case studysupply of 3 OBTs with sensors TECNO end of April send to EDCsupply of 25 OBTs with 27 loading sensors TECNO july send to EDCinstallation and use handbooks TECNO julyOBT and sensors installation SNCF/ CP/ PIStart-up first OBT and sensor TECNO/ EDC/SNCFStart-up remaining OBTs and sensors EDC / SNCFprogram for start-up and maintenance EDC
27