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The GE IS230TRLSH1B is a simplex, safety integrity level (SIL) rated, relay output assembly for the GE Mark VIe control system. This is a complete, pre-configured module designed to provide a reliable, non-redundant interface for controlling output devices like solenoids, motor contactors, or alarms in safety-critical applications.
Key Features
- Safety Integrity Level (SIL) Rated: The SIL rating indicates that this module has been designed and certified to meet stringent functional safety standards. This means it can be used in systems where a failure could lead to serious consequences, and the system is required to maintain its intended function or fail in a safe state.
- Relay Output: The module’s primary function is to provide relay output, which allows the control system to switch a circuit on or off to control a variety of field devices. Relays provide electrical isolation between the control system and the device being controlled, protecting the sensitive electronics from voltage spikes and noise.
- Simplex Configuration: The term “simplex” means there is a single, non-redundant channel. While it is SIL-rated, it is not a TMR (triple-modular redundant) module, meaning it is used in applications that do not require continuous operation in the event of a single component failure.
- Assembly: The part number signifies a complete, ready-to-install unit, consisting of both a terminal board and the electronic I/O pack.
- Mark VIe Integration: As part of the IS230 series, this assembly is a key component of the Mark VIe control platform, which is widely used for controlling turbines in power generation and other heavy industries.
Applications
The IS230TRLSH1B is used in a variety of industrial settings where a reliable on/off control of equipment is necessary, with a focus on safety.
- Power Generation: It is used to control critical devices like motor starters for pumps, fans, and valves on turbines and auxiliary equipment. The SIL rating is important for applications where these devices are part of a safety function.
- Industrial Automation: The module is a fundamental building block in manufacturing processes that require a high degree of safety in their automated control.
- Safety Instrumented Systems (SIS): The module’s SIL rating and relay output function make it suitable for use in safety-instrumented systems, where the goal is to bring a process to a safe state when dangerous conditions are met.
