The GE IS200STCIH6A, also cataloged as the IS200STCI Terminal Board, operates as a dedicated hardware component for contact input signal termination and distribution within Mark VI turbine control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200STCIH6A |
| Brand | GE |
| Origin | USA |
| Weight | 0.90 kg |
| Dimensions | DIN rail mounting standard form factor |
| Operating Temp | -20 deg C to 60 deg C |
| Power Consumption | System bus nominal |
| Connection Type | DIN rail terminal block interface |
Firmware and Backplane Communication
The IS200STCIH6A provides a physical interface for contact inputs, ensuring that field switch states are reliably transmitted to the I/O processor. The board facilitates backplane bus communication velocity by reducing wiring complexity and signal attenuation through direct terminal-to-processor pathways. Firmware flash compatibility is handled by the associated I/O pack, as the terminal board itself acts as a passive signal conditioning layer. The design supports I/O density scaling by allowing multiple contact points to be terminated in a compact DIN rail footprint, maintaining signal integrity in high-density control cabinets.
Frequently Asked Questions
Q: Does this terminal board require external power to function?
A: The board itself is a passive terminal interface. However, the contact inputs it processes require a wetting voltage, typically provided by the connected I/O pack or an external supply, to sense the open/closed state of the field switches.
Q: Is the IS200STCIH6A compatible with all Mark VI I/O packs?
A: The board is designed for specific contact input applications within the Mark VI system. Compatibility must be verified against the I/O pack hardware matrix to ensure that the voltage levels and pinout configurations match the requirements of the specific control loop.
Field Installation Guidelines
- Mount the board on a standard DIN rail, ensuring the locking mechanism is fully engaged to prevent vibration-induced loosening.
- Ensure all field wiring is terminated according to the provided wiring diagram, paying close attention to polarity for DC wetting voltage loops.
- Use shielded cable for all long-distance contact inputs to mitigate noise and prevent false state triggering.
- Ground the terminal board to the cabinet chassis through the designated grounding lug to ensure effective surge protection and signal referencing.
- After installation, perform a continuity check on each contact loop to verify that the field switch state transitions are correctly detected at the I/O processor input.
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| Warranty | 12 Months |
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