Product Details
Configured for high-speed contact signal acquisition in Mark V LM control systems, the GE DS200DTBAG1A (DS200DTBA Digital Contact Terminal Board) provides direct physical execution of 125 VDC or 24 VDC contact interrogation and signal routing to TCDA processing cores.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200DTBAG1A |
| Brand | General Electric |
| Origin | USA |
| Operating Temp | Standard industrial range |
| Power Consumption | N/A (Distribution unit) |
| Interrogation Voltage | 125 VDC or 24 VDC (Factory configured) |
| Input Capacity | 46 contact inputs per core |
Industrial Control and Firmware Flash Compatibility
The DS200DTBAG1A functions as a deterministic interface board for digital contact inputs in Q11, Q21, and Q51 core locations. To maintain signal integrity, the board provides optical isolation at the TCDA interface, ensuring that field-side transients do not propagate to the control logic. The CPU on the associated TCDA board performs status monitoring with a 1 ms resolution time stamp for state changes. While the board itself is a passive termination component lacking firmware flash compatibility, its operation is dictated by physical jumper configurations that set interrogation voltage and isolate field grounds. I/O density scaling is achieved through eight-contact input groupings, allowing for precise mapping of contact sense inversion within the TCDA I/O configuration.
Frequently Asked Questions
Q: Can the interrogation voltage be changed from 125 VDC to 24 VDC in the field?
A: No. The excitation voltage option is factory-set. Field adjustments to jumpers on the DTBA/DTBB boards are intended solely for isolating field grounds by cutting off interrogation voltage and must only be performed when the turbine is offline.
Q: How is a failure in the contact input circuit detected?
A: The Mark V LM controller performs continuous diagnostic checks on the input circuitry. If a circuit failure is detected, the system triggers an internal alert to the operator interface.
Field Installation Guidelines
- Ensure the Mark V LM system is fully de-energized and verified via lockout/tagout (LOTO) procedures before accessing the terminal board or modifying jumper configurations.
- Verify that input configuration (125 VDC vs 24 VDC) matches the field device specifications to prevent damage to the optical isolators on the TCDA board.
- Handle the module by the edges and use ESD-protected tools to prevent damage to the sensitive input groupings.
- When isolating field grounds via jumpers, ensure the turbine is completely stationary; any adjustments to these jumpers during active operation may result in loss of input monitoring and subsequent system trips.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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