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London Underground Limited
Contract No. MCL0008
2.0 21-Mar-03
1.2 12-Oct-98
1.1
9-Jul-98
1.0 11-Mar-98
Rev.
Copyright (C) 1998-2003 Tactical Controls Limited
This document contains proprietary information which is protected by copyright. All rights reserved. This document or parts thereof may not
be reproduced in any form without written permission of the publishers.
The information in this document is subject to change without notice and should not be construed as a commitment by Tactical Controls
Limited. Tactical Controls Limited shall not be liable for errors contained herein or for incidental or consequential damages in connection
with the furnishing, performance or use of this material.
Distance Trip Meter
(DTM)
Instruction Manual
Major update - add acc/dec test
Date
Change speed test display
Display test 5s to 2s
First release
Description
DC
DC
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Table of Contents
Summary of Contents for Tactical Controls DTM
- Page 1 The information in this document is subject to change without notice and should not be construed as a commitment by Tactical Controls Limited. Tactical Controls Limited shall not be liable for errors contained herein or for incidental or consequential damages in connection...
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Page 2: Table Of Contents
Tactical Controls Limited Distance Trip Meter Instruction Manual Contents Introduction ...................3 Block diagram ..................3 Description ....................3 Distance measurement ................4 Operator interface ..................4 Display distance ..................5 Speed test ....................5 Acceleration/deceleration test ...............6 Data retention ..................6 Power supply ..................6 Installation .....................6 System layout diagram ................8 System connection diagram ..............9... -
Page 3: Introduction
London Underground Limited; C Stock, Hammersmith and Circle Line, LUL contract No: MCL0008. The DTM is designed to interface with the Electronic Speedometer (ESU) and stores the distance travelled, up to three distances are to be stored. Block diagram... -
Page 4: Distance Measurement
Distance Trip Meter Instruction Manual The DTM is supplied with Litton 5-way, shell size 16S, bayonet connector; the receptacle is fitted with pins. The free plug is fitted with 2 meters of 3 core screened cable, terminated with four M5 rings and cable markers. -
Page 5: Display Distance
Tactical Controls Limited Distance Trip Meter Instruction Manual The display The 7-digits 7-segment LED display is used to display three distance parameters, these are: A, B and C. These distance parameters are displayed in KM (Kilometres) with leading zeros. The display is normally OFF and would display a value when any of the three push-buttons is depressed. -
Page 6: Acceleration/Deceleration Test
In the event of power failure, these data are protected and recalled from the non- volatile memory when the power is returned. The DTM is designed to ensure that the data retention capability of the unit has good RFI immunity. The use of a single-chip microcontroller with special built-in EEPROM offer high reliability for parameter storage. - Page 7 Tactical Controls Limited Distance Trip Meter Instruction Manual The DTM is supplied with one angle bracket for fixing. Please see System layout diagram for details. A screened 3-core cable of 2M length, terminated with M5 rings and cable marker, provides all the external connections.
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Page 8: System Layout Diagram
Tactical Controls Limited Distance Trip Meter Instruction Manual System layout diagram 12.0 127.0 12.0 66.0 30.0 35.0 90.0 135.0 Page 8 21 March 2003 Issue 2.0... -
Page 9: System Connection Diagram
Tactical Controls Limited Distance Trip Meter Instruction Manual System connection diagram (TERMINAL RAIL NOT SUPPLIED) DISTANCE SUPPLY PULSES EARTH DIST -50V A1SCREEN 2M 3 CORE SCREENED CABLE System wiring list Cable Marker Description '-52V supply 0V earth Distance pulse signal... -
Page 10: Technical Specification
Tactical Controls Limited Distance Trip Meter Instruction Manual Technical Specification Supply Voltage -32 to -63 Vdc; -50 Vdc nominal. Ripple Unaffected by 5 volt peak to peak. Input protection Reverse polarity protection. Surges and transients to BRB/RIA 12. Current consumption... -
Page 11: Ordering Information
Tactical Controls Limited Distance Trip Meter Instruction Manual Ordering information Ordering code: DTM You are welcome to order the unit by code or by description - DTM Distance Trip Meter. Supplier information Tactical Controls Limited Unit 4 Parkland Business Centre Chartwell Road...