The General Electric IS200TBAIH1C DC, also cataloged as the IS200TBAIH1C Analog Terminal Board, operates as a dedicated hardware component for analog signal termination within Mark VI turbine control system architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200TBAIH1C DC |
| Brand | General Electric |
| Origin | USA |
| Weight | 0.22 kg |
| Dimensions | 3.8 cm x 11.5 cm x 4.5 cm |
| Operating Temp | -30 to 65 deg C |
| Power Consumption | Passive (N/A) |
| Signal Interface | Analog terminal block |
Process Control and Signal Integrity
The IS200TBAIH1C DC serves as the primary interface for field-side analog instrumentation, facilitating direct wire-to-system termination for 4-20 mA loops. This terminal board is configured to provide channel-to-channel isolation when utilized with compatible I/O packs, preventing ground loops and common-mode noise propagation. Signal conditioning is not performed at this hardware level; instead, the board maintains electrical continuity for HART protocol signals, ensuring that impedance characteristics remain within specified limits for analog loop stability.
Frequently Asked Questions
Q: Is this board compatible with firmware-based diagnostic functions?
A: No. The IS200TBAIH1C DC is a passive terminal board without onboard processors or firmware. Diagnostic capabilities for analog loops are executed by the upstream I/O pack connected to this terminal board.
Q: Can this terminal board be used in a redundant I/O configuration?
A: Yes, provided the backplane and I/O pack configuration in the Mark VI cabinet supports redundant input paths. The terminal board itself provides the necessary physical connection points to bridge field signals to redundant control modules.
Field Installation Guidelines
- Terminal Connections: Insert field wiring into the screw terminal blocks. Ensure a torque setting of 0.5 Nm is applied to prevent loose connections, which may manifest as intermittent signal noise in the DCS.
- Shielding: Terminate cable shields to the provided grounding bar on the terminal board. Ensure the shield is only grounded at one point in the circuit to avoid creating ground loops.
- Mounting: Secure the board to the vertical mounting plate in the control cabinet. Ensure adequate clearance for cable dressing and heat dissipation if the board is situated near high-density power components.
- Wiring Segregation: Maintain physical separation between analog signal wiring and high-voltage AC lines to satisfy electromagnetic compatibility requirements and prevent signal interference.
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| Warranty | 12 Months |
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