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The GE IS230STCIH6A is a digital input module assembly for the GE Mark VIe control system. The part number indicates that it’s an assembly of the STCIH6A terminal board and the PDIAH1A I/O pack, specifically configured to operate with 125 VDC signals. This module is used to read discrete, or on/off, signals from various field devices.
Key Features and Functionality
- Digital Input: The module’s primary function is to handle binary signals that represent a two-state condition (e.g., a switch is either open or closed). It acts as a bridge that converts these physical states into a digital signal that the Mark VIe controller can understand.
- 125 VDC Operation: This is a key detail. The module is specifically rated for 125 VDC input signals, which is a common voltage level in industrial control systems and power plants. This rating ensures compatibility and proper signal conditioning.
- Mark VIe Integration: As part of the IS230 series, this assembly is designed to seamlessly integrate with the Mark VIe control platform, ensuring easy installation and configuration.
- Assembly: The part number indicates that it’s a complete assembly, including both the terminal board and the I/O pack, making it a ready-to-install unit.
Applications
The IS230STCIH6A is used in various industrial settings where reliable monitoring of on/off signals is required, especially where 125 VDC is the standard control voltage.
- Power Generation: It’s used in power plants to monitor the status of devices on gas and steam turbines, such as valve limit switches, motor run/stop indicators, and pressure switches. The 125 VDC rating is common for control circuits in these applications.
- Oil and Gas: In refineries and offshore platforms, it helps monitor the open/closed status of valves, the run/stop status of pumps, and the state of emergency push-buttons.
- Industrial Automation: The module is a fundamental component in many manufacturing processes that rely on automated control for efficiency and safety.
