The GE IS200STAIH2AAA, also cataloged as the IS200STAIH2 Analog Input Terminal Board, operates as a dedicated hardware component for signal termination and interface conditioning within Mark VI control system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200STAIH2AAA |
| Brand | GE |
| Origin | USA |
| Weight | 0.8 kg |
| Dimensions | 33 cm x 17.8 cm x 5 cm |
| Operating Temp | -30 to 65 deg C |
| Power Consumption | 24 VDC nominal |
| Input Channels | 12 channels |
| Signal Type | 4-20 mA / 1-5 VDC |
| Wire Gauge | 12 to 24 AWG |
| Torque Rating | 0.5 Nm |
Control System Connectivity and Bus Communication
The IS200STAIH2AAA serves as the physical interface between field-mounted instrumentation and the Mark VI I/O pack. It facilitates backplane bus communication by providing stable signal paths and noise-filtering circuitry. The board ensures deterministic data transmission by maintaining signal integrity at the terminal block level, preventing latency often associated with unshielded analog circuits. Integration requires verification of firmware flash compatibility within the associated I/O pack to ensure correct mapping of input channels to the controller's control logic.
Frequently Asked Questions
Q: Can this terminal board support both current and voltage inputs simultaneously?
A: Yes, the STAI board supports configurable inputs for 4-20 mA or 1-5 VDC signals. Ensure jumpers on the terminal board are set according to the application-specific loop requirements before energizing.
Q: Is this board field-repairable if a terminal block is damaged?
A: The board utilizes removable screw-type terminals. If a specific terminal block sustains mechanical damage, the individual block can be replaced without requiring the removal of the entire board from the cabinet, provided the system is isolated.
Field Installation Guidelines
- Mounting: Ensure the board is mounted in a standard Mark VI cabinet using the designated standoffs to maintain proper electrical clearance and backplane alignment.
- Wiring: Terminate field signal wires to the removable screw blocks. Ensure the wires are stripped to the appropriate length to prevent exposed copper, while maintaining the 0.5 Nm torque specification.
- Shielding: Connect signal cable shields to the cabinet ground bus provided on the terminal board mounting plate. Do not terminate shields at the signal input terminals to avoid ground loops.
- Verification: Use a calibrated multimeter to verify loop voltage or current at the terminals before commissioning the associated I/O pack to prevent input channel overload.
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| Warranty | 12 Months |
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