The GE IS200TBCIH1CCD Termination Board Contact Input is a digital input module designed for the Mark VI Speedtronic series control systems, primarily used for monitoring contact inputs in industrial automation and turbine control applications.
Below are its key functions and technical details:
1. Core Functions
Contact Input Monitoring:
Accepts 24 dry-contact inputs (e.g., switch, relay, or sensor signals) with group isolation to prevent signal interference.
Supports high-speed switching (750–4000 rpm) for real-time control.
System Integration:
Compatible with single, dual, or triple-redundant (TMR) control systems for high availability.
Interfaces with VTCC/VCRC or PDIA I/O packages, depending on system configuration.
Safety & Diagnostics:
Includes built-in fault detection for open/short circuits and signal integrity checks.
Provides LED status indicators (e.g., RUN/FAULT) for easy monitoring.
2. Technical Specifications
Input Voltage: 24V DC (floating excitation voltage: 100–145V DC).
Operating Temp: -40°C to +85°C (industrial-grade robustness).
Communication: Supports Ethernet, serial ports, and industry-standard protocols.
3. Applications
Gas/steam turbine control: For start/stop sequences, alarms, and interlocks.
Power plants & refineries: For emergency shutdown (ESD) and safety systems.
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