Specifications

Engineering Standard –NSW
Signalling SMS 02
Cerberus Level Crossing Monitor Equipment
March 2005 Version 1.2 © Australian Rail Track Corporation Page 103 of 118
This document is uncontrolled when printed.
Wed 15/06/94 07:07:01.1A 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.
8.4 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.
9. 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.