Product Details
The General Electric DS200DDTBG2A, also cataloged as the DS200DDTB LCI Auxiliary I/O Terminal Board, operates as a dedicated hardware component for high-voltage signal conditioning and interface distribution within Mark V LM Speedtronic turbine control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200DDTBG2A |
| Brand | General Electric |
| Origin | USA |
| Dimensions | Panel/rack-mounted form factor |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Derived from ADMA module |
| Voltage Range | 14 V dc to 32 V dc |
| I/O Channels | 12 total |
Industrial Control and Firmware Compatibility
The DS200DDTBG2A requires backplane bus communication velocity settings compatible with the Mark V LM rack architecture. Firmware flash compatibility is managed through the interconnected DS200ADMA daughterboard, which interfaces with the DSPC processor. The board supports I/O density scaling by allowing multiple high-voltage and current-sensing signals to be multiplexed into the DSP control loops. Deterministic network performance is maintained as the DDTB provides the necessary scaling and buffering for the DSP to execute real-time control algorithms. Ensure all terminal board jumpers and configuration settings are verified against the specific turbine control system logic.
Frequently Asked Questions
Q: Can the 4-20 mA current output and voltage output be used simultaneously?
A: Yes. The board supports both output types actively. They can be used individually or simultaneously by connecting to the respective screw terminals provided for each output type.
Q: What is the isolation rating for the high-voltage AC inputs?
A: The high-voltage AC inputs use isolated step-down transformers and passive filtering. The screw terminal blocks and internal circuit paths are rated and isolated for 1000 V peak transients.
Q: How is the board powered in the LCI system?
A: Power is supplied to the DS200DDTBG2A via the DS200ADMA analog-to-digital module daughterboard through high-density connectors and a ribbon cable interface.
Field Installation Guidelines
- Mounting: Secure the board to the rack or panel using appropriate hardware. Ensure sufficient clearance is maintained for the high-density ribbon cable routing.
- Signal Wiring: Use shielded twisted-pair cables for all analog and current-sensing inputs. Ensure cable shields are terminated at the cabinet entry to prevent electromagnetic interference (EMI).
- High-Voltage Handling: Observe all safety protocols when connecting high-voltage AC inputs. Verify that all terminal block screws are tightened to the specified torque to prevent arcing or thermal buildup at the connection points.
- Current Sensing: For CT inputs (±5 A) and low current signals (±0.224 A), ensure polarity is strictly maintained according to the system wiring diagram to prevent phase errors in the LCI control loop.
- Grounding: Ensure the board chassis is connected to the protective earth (PE) busbar to provide a stable reference for the differential buffering stages.
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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