Product Overview
DS200TCDAH1B is a Mark V LM digital I/O board. The TCDA function processes digital contact-input signals from the DTBA and DTBB terminal boards and contact-output relay or solenoid signals from two TCRA boards.
The board belongs in the digital I/O signal path and transmits the processed signals through IONET to the applicable TCQC and CTBA locations. Replacement work should preserve the board’s assigned core position and its terminal-board and relay-board connections.
Technical Data
| Technical item | DS200TCDAH1B |
|---|---|
| Brand | GE |
| Product type | Digital I/O board |
| Country / region | United States |
| System family | Mark V LM |
| Input sources | DTBA and DTBB contact-input terminal boards |
| Output interfaces | Two TCRA relay-output boards |
| Signal transport | IONET to the applicable TCQC and CTBA locations |
| Board features | Microprocessor, PROM modules, LED indicators, jumper locations, and board connectors |
| Functional revision | H1B |
Compatibility
The board works in a Mark V LM signal chain with DTBA/DTBB contact-input sources, paired TCRA relay-output boards and IONET interfaces. Confirm each associated board, connector position and I/O-core assignment before a replacement, because a compatible board alone does not restore the complete chain.
The Mark V LM application depends on the documented DTBA/DTBB inputs, TCRA outputs and IONET handoff. Record those paired interfaces with the I/O-core assignment before replacement to preserve the board's intended system role.
I/O Path Monitoring
Commission by tracing the command or contact indication through its source, this board, paired output interface and IONET destination. This separates field-contact, relay/solenoid load, board-interface and network-path symptoms before a board change is assumed.
Trace an indication or command through its source, board interface, paired output/load and network destination in sequence. This is more reliable than a board-only swap when a field contact or relay/solenoid circuit is the actual source of the symptom.
Product FAQ
Which associated boards should be identified before replacing DS200TCDAH1B?
Record the DTBA/DTBB input boards, paired TCRA output boards and I/O-core assignment.
How can a DS200TCDAH1B contact-input symptom be distinguished from a network issue?
Trace the contact source through the documented I/O path before examining the IONET handoff.
Why are DS200TCDAH1B jumper settings important during service?
They are part of the recorded board configuration and must be restored exactly.
What should be checked when a DS200TCDAH1B solenoid command fails?
Verify command source, board interface, paired relay output and downstream load circuit.
Can DS200TCDAH1B be replaced by connector position alone?
No; connector mapping and assigned Mark V LM I/O core must match.
What is the safest DS200TCDAH1B commissioning sequence?
Restore recorded hardware first, then verify the complete input-to-output signal chain.
Moore Automation Replacement Planning
Moore Automation assists with identifiable automation parts used in maintenance and replacement planning. Include the full model and any relevant board revision details in the inquiry.
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