Trusted
TM
Module T8471
Issue 14 Apr 10
PD-T8471
4
Table of Contents
1.
Description ...................................................................................................................................8
1.1.
Field Termination Unit (FTU) .......................................................................................................9
1.2.
Front Panel Unit (FPU) ................................................................................................................9
1.3.
Host Interface Unit (HIU) ...........................................................................................................10
1.4.
Field Interface Unit (FIU) ...........................................................................................................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.
T8471 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: Housekeeping...............................................................................................................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 LEDs .........................................................................................................................27
5.
Fault Finding and Maintenance..................................................................................................28
