
Trusted
TM
Module T8480
Issue 13 Apr 10 PD-T8480 4
Table of Contents
1. Description...................................................................................................................................8
1.1. Output Field Termination Unit (OFTU).......................................................................................10
1.2. Analogue OUTPUT Field Interface Unit (AOFIU) ......................................................................10
1.3. Host Interface Unit (HIU) ...........................................................................................................11
1.4. Front Panel Unit (FPU) ..............................................................................................................11
1.5. Line monitoring and output states..............................................................................................12
1.6. Housekeeping............................................................................................................................12
1.7. Fault Detection/Testing ..............................................................................................................12
1.8. Sequence of Events Characteristics..........................................................................................13
1.9. Output Driver Structure ..............................................................................................................13
1.9.1. Output Channel Diagnostics ......................................................................................................14
1.9.2. Group Fail Safe Switches ..........................................................................................................15
2. Installation..................................................................................................................................16
2.1. Module Insertion/Removal .........................................................................................................16
2.2. Cable Selection..........................................................................................................................16
2.3. Module Pinout Connections .......................................................................................................17
2.4. Trusted
T
M
Module polarisation/Keying. ......................................................................................18
3. Application .................................................................................................................................19
3.1. Module Configuration.................................................................................................................19
3.2. T8480 Complex Equipment Definition .......................................................................................19
3.2.1. Rack 1: AO ................................................................................................................................20
3.2.2. Rack 2: State .............................................................................................................................20
3.2.3. Rack 3: AI ..................................................................................................................................21
3.2.4. Rack 4: CI ..................................................................................................................................22
3.2.5. Rack 5: LINE_FLT .....................................................................................................................22
3.2.6. Rack 6: DISCREP......................................................................................................................22
3.2.7. Rack 7: HKEEPING ...................................................................................................................23
3.2.8. Rack 8: INFO .............................................................................................................................24
3.3. Sequence of Events Configuration ............................................................................................25
3.4. SYSTEM.INI File Configuration .................................................................................................25
4. Operation ...................................................................................................................................26
4.1. Front Panel ................................................................................................................................26
4.2. Module Status LEDs ..................................................................................................................27
4.3. I/O Status LEDs .........................................................................................................................28
5. Fault Finding and Maintenance..................................................................................................29
5.1. Fault Reporting ..........................................................................................................................29
5.2. Field Wiring Faults .....................................................................................................................29
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