Trusted
TM
Module T8451
Issue 12 Apr 10
PD-T8451
4
Table of Contents
1.
Description......................................................................................................................................8
1.1.
Field Termination Unit (FTU)..........................................................................................................9
1.2.
Field Interface Unit (FIU) ................................................................................................................9
1.3.
Host Interface Unit (HIU) ..............................................................................................................10
1.4.
Front Panel Unit (FPU) .................................................................................................................10
1.5.
Line monitoring and output states ................................................................................................11
1.6.
Housekeeping ..............................................................................................................................11
1.7.
Fault Detection/Testing ................................................................................................................11
1.8.
Sequence of Events Characteristics ............................................................................................12
1.9.
Output Switch Structure................................................................................................................12
1.9.1.
Switch Diagnostics .......................................................................................................................13
1.9.2.
Short Circuit Protection Issues .....................................................................................................14
1.9.3.
Group Fail Safe Switches .............................................................................................................14
2.
Installation ....................................................................................................................................15
2.1.
Module Insertion/Removal............................................................................................................15
2.2.
Cable Selection ............................................................................................................................15
2.3.
Termination ..................................................................................................................................15
2.4.
Module Pinout Connections..........................................................................................................16
2.5.
Module Polarisation/keying. .........................................................................................17
3.
Application ....................................................................................................................................18
3.1.
Module Configuration ...................................................................................................................18
3.2.
T8451 Complex Equipment Definition..........................................................................................18
3.2.1.
Rack 1: DO...................................................................................................................................19
3.2.2.
Rack 2: STATE.............................................................................................................................19
3.2.3.
Rack 3: AI.....................................................................................................................................20
3.2.4.
Rack 4: CI.....................................................................................................................................21
3.2.5.
Rack 5: LINE_FLT........................................................................................................................21
3.2.6.
Rack 6: DISCREP ........................................................................................................................21
3.2.7.
Rack 7: HKEEPING......................................................................................................................22
3.2.8.
Rack 8: INFO................................................................................................................................23
3.3.
Sequence of Events Configuration...............................................................................................24
3.4.
SYSTEM.INI File Configuration ....................................................................................................24
4.
Operation......................................................................................................................................25
4.1.
Front Panel ...................................................................................................................................25
4.2.
Module Status LEDs.....................................................................................................................26
4.3.
I/O Status Indicators.....................................................................................................................27
5.
Fault Finding and Maintenance ....................................................................................................28
