Trusted
TM
Module T8449
Issue 13 Apr 10
PD-T8449
3
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 ..................................................................................................................14
1.9.2.
Short Circuit Protection Issues................................................................................................14
1.9.3.
Group Fail Safe Switches........................................................................................................14
1.10.
Control / Feedback circuits......................................................................................................14
1.11.
Valve Testing...........................................................................................................................15
1.11.1.
Positional Feedback ................................................................................................................15
1.11.2.
Normal Operation....................................................................................................................15
1.11.3.
Test Operation ........................................................................................................................16
2.
Installation ...............................................................................................................................18
2.1.
Module Insertion/Removal.......................................................................................................18
2.2.
Field Termination Assembly (FTA) Selection..........................................................................19
2.3.
Termination .............................................................................................................................19
2.4.
Module Pinout Connections ....................................................................................................20
2.5.
Module Polarisation/Keying. ...................................................................................21
3.
Application...............................................................................................................................22
3.1.
Module Configuration ..............................................................................................................22
3.2.
T8449 Complex Equipment Definition.....................................................................................22
3.2.1.
Rack 1: DO_TEST ..................................................................................................................24
3.2.2.
Rack 2: STATE .......................................................................................................................24
3.2.3.
Rack 3: AI_MXIN.....................................................................................................................26
3.2.4.
Rack 4: CI_MXDAT.................................................................................................................27
3.2.5.
Rack 5: MXOUT ......................................................................................................................27
3.2.6.
Rack 6: ETM_EST ..................................................................................................................28
3.2.7.
Rack 7: LINEFLT.....................................................................................................................29
3.2.8.
Rack 8: DISCREP ...................................................................................................................29
3.2.9.
Rack 9: HKEEPING ................................................................................................................30
