Product Details
Configured for signal termination and bus communication in Mark V LM control systems, the GE DS200CTBAG1A (DS200CTBA Terminal Board) provides direct physical execution of analog signal routing and core power monitoring.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200CTBAG1A |
| Brand | General Electric |
| Origin | USA |
| Dimensions | 6.25 in x 4.25 in |
| Operating Temp | -28 deg C to 55 deg C |
| Core Compatibility | R5 core housing |
| I/O Capabilities | Shaft voltage/current, 4-20 mA input/output |
Backplane Bus Communication and Deterministic Processing
The DS200CTBAG1A facilitates deterministic communication across Mark V LM platforms through integrated IONET and COREBUS interfaces. The board manages connectivity between the R5 core and the STCA/QTBA modules, ensuring signal integrity for 4-20 mA loops and shaft-specific instrumentation. In the event of a localized power loss on the CTBA module, an onboard bypass relay maintains COREBUS communication, preventing system-wide disruption. Connectivity with the PD core's TCPD board allows for continuous power source monitoring. Firmware flash compatibility is not supported; system integration is managed through hardware-defined signal paths and dedicated terminal wiring.
Frequently Asked Questions
Q: What is the function of the onboard bypass relay during a power failure?
A: The bypass relay is configured to maintain COREBUS communication continuity if the CTBA module experiences a loss of power. This allows other modules on the bus to continue data exchange without interruption.
Q: Can the 4-20 mA inputs be scaled via software?
A: No. The CTBA board acts as a passive termination point. Scaling of 4-20 mA signals must be performed within the higher-level controller logic of the connected STCA or R5 core processors.
Field Installation Guidelines
- Ensure the Mark V LM rack is fully de-energized before mounting the module to prevent damage to the backplane connectors or unintended shorting of 4-20 mA loops.
- Verify all field wiring for shaft instrumentation and 4-20 mA signals, ensuring proper shielding is terminated to the designated ground lug to minimize noise.
- Handle the board by the edges to avoid electrostatic discharge (ESD) exposure to the bypass relay and bus communication circuitry.
- After installation, confirm that the IONET and COREBUS link LEDs (if present on associated modules) indicate successful synchronization with the STCA and QTBA boards.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
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- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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