Specifications
RailCorp Engineering Manual — Signals — Equipment Manual
Cerberus Level Crossing Monitor Field Equipment Manual TMG E1261
© RailCorp Page 80 of 89
Issued August 2012 UNCONTROLLED WHEN PRINTED Version 2.1
Wed 15/06/94 07:06:21.6 D 3 XT 0
Wed 15/06/94 07:06:21.6 I 15 *DOWN_TRAIN 1
Wed 15/06/94 07:06:21.9 D 6 DDSR 1
Wed 15/06/94 07:06:23.1 D 4 UXT 0
Wed 15/06/94 07:07:00.4 D 3 XT 1
Wed 15/06/94 07:07:00.6 D 2 DXT 1
Wed 15/06/94 07:07:00.9 D 7 XR 1
Wed 15/06/94 07:07:00.9 D 8 XPR 1
Wed 15/06/94 07:07:00.9 I 10 *LAMPS_ON 0
Wed 15/06/94 07:07:01.1 A 2 SS_LAMPS FU 0
Wed 15/06/94 07:07:01.1 A 2 SS_LAMPS FD 0
Wed 15/06/94 07:07:01.1 A 4 CS_LAMPS FU 0
Wed 15/06/94 07:07:01.1 A 4 CS_LAMPS FD 0
Wed 15/06/94 07:07:01.4 T 16 NORM_APP_T 0
Wed 15/06/94 07:07:31.1 D 4 UXT 1
Wed 15/06/94 07:07:31.1 I 13 *TRACK_UP 1
Wed 15/06/94 07:07:31.1 I 15 *DOWN_TRAIN 0
Wed 15/06/94 07:07:32.9 D 6 DDSR 0
Wed 15/06/94 07:07:38.9 A 0 Battery 14.84 Volts
The level crossing for the example has 4 flashing lamps on the Sydney side lamp stand
and 3 flashing lamps on the Country lamp stand.
7.4 Spurious events
It is possible for some spurious events to occur and be reported in the log. These are:
• Analogue entries for lamps and battery test current due to the use of hand held
radios or cellular telephones with-in the level crossing hut.
• Digital input events due to someone touching pins 5 and 6 on the 4N35
optoisolator on the Input Optoisolator board.
• Digital input events due to a faulty input on the SCADA 2000 A I/O Board.
8 Hardware Repair/Replacement
All items except the VIO may be repaired by replacing the socketed components or
repairing sub assemblies.
The VIO must not be repaired as the repair may reduce the integrity of the electrical
isolation provided. VIOs must be replaced as a complete unit.
Replacement items may be purchased as per the following table. Please note that their
are alternative suppliers to the companies nominated.
Item Purchase through Phone Number
Main Box Unit Signal Engineering Technical
Services
02 9224 4863
SCADA 2000 A I/O Board Signal Engineering Technical
Services
02 9224 4863
Analogue to Digital Converter Signal Engineering Technical
Services
02 9224 4863
Input Optoisolator Signal Engineering Technical
Services
02 9224 4863
Output Optoisolator Signal Engineering Technical
Services
02 9224 4863
Current Sensor Signal Engineering Technical
Services
02 9224 4863