IS230TBCI2CG01 – Contact Input Terminal Board

The IS230TBCI2CG01 is a Contact Input Terminal Board designed and manufactured by General Electric (GE) as part of the Mark VIe control platform, which is widely used in industrial turbine and process control systems. This terminal board is engineered to provide a reliable interface between discrete field signals (such as status switches, limit switches, or relay outputs) and the Mark VIe I/O modules.

Each IS230TBCI2CG01 board accommodates multiple discrete input channels, accepting contact signals that are typically voltage-free or dry contacts. It functions by conditioning these signals and routing them to the connected I/O pack (such as PDIA or DIO modules), allowing the controller to process on/off status changes from external equipment such as valves, motor starters, breakers, or other field instrumentation.

The board offers group isolation, meaning that sets of inputs are electrically isolated from each other, helping to protect control electronics from voltage surges, ground loops, or transient disturbances that may originate from field wiring. This feature enhances system integrity and is especially useful in environments with high electrical noise or complex grounding schemes.

The IS230TBCI2CG01 includes terminal blocks for easy wiring and labeling, allowing technicians to quickly install and troubleshoot field connections. It can be mounted inside a Mark VIe panel using DIN rail or panel-mount configurations, depending on system layout.

Applications for this terminal board are diverse, ranging from gas and steam turbine control systems to power generation auxiliaries, compressor units, and other industrial process controls. Its robust construction, ease of integration, and compatibility with GE’s diagnostic systems make it a preferred solution for monitoring digital signals in real time.

Its design emphasizes reliability, durability, and long-term performance, with components selected to withstand the temperature, vibration, and electrical stress typically found in industrial environments. The board also supports hot swap capability when used with redundant I/O packs, ensuring minimum downtime during maintenance.

With the IS230TBCI2CG01 in place, operators and engineers benefit from real-time digital status feedback, which is critical for protective logic, sequencing, and safe operation of turbines and associated systems. It plays a foundational role in ensuring that contact input signals are received accurately and processed without interruption, contributing to the overall health and performance of the GE Mark VIe system.

Key Features:

• Interfaces discrete contact inputs to I/O modules

• Supports group isolation for enhanced safety

• DIN rail or panel mountable

• Designed for GE Mark VIe control systems

• Ideal for turbines, compressors, and auxiliaries

• Easy field wiring and maintenance

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