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The GE IS230TCISH4C is a simplex contact input assembly for the GE Mark VIe control system, specifically configured for 125 VDC signals. This module is an assembly of the TBCIS2C terminal board and the YDIAS1A I/O pack. It’s designed to read on/off signals from various field devices in a non-redundant configuration.
Key Features
- Simplex Configuration: The term “simplex” means there is a single, non-redundant unit for each input point. This is a cost-effective solution for applications where a failure of a single input signal won’t lead to a catastrophic event.
- Contact Input: The module’s primary function is to handle binary signals from devices like switches and push-buttons, converting their physical state (open or closed) into a digital signal that the Mark VIe controller can understand.
- 125 VDC Operation: This is a key detail. The module is specifically rated to handle digital input signals at 125 VDC, a common control voltage in industrial settings, particularly power plants.
- Assembly: The part number indicates that it’s a pre-assembled unit, including both the terminal board and the I/O pack, making it a ready-to-install component.
Applications
The IS230TCISH4C is used in various industrial settings that require reliable monitoring of on/off signals, especially where 125 VDC is the standard control voltage.
- Power Generation: It’s used in power plants to monitor the status of critical devices on gas and steam turbines, such as valve limit switches, motor run/stop indicators, and pressure switches.
- Oil and Gas: In refineries and offshore platforms, it helps monitor the open/closed status of valves, the status of pumps, and the state of emergency push-buttons.
- Industrial Automation: This module is a fundamental component in many manufacturing processes that rely on automated control for efficiency and safety.
