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GE IS200STCIH2A Mark VI Termination Relay Board

GE IS200STCIH2A Mark VI Termination Relay Board

Product Description

The IS200STCIH2A is a critical terminal board within the GE Mark VI Speedtronic control platform. It is designed to terminate and process up to 24 dry contact discrete inputs, serving as...

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SKU: IS200STCIH2A（IS230SNCIH2A)
Vendor: GE Fanuc
Category: Termination Relay Board
Related Series:

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Product Description

The IS200STCIH2A is a critical terminal board within the GE Mark VI Speedtronic control platform. It is designed to terminate and process up to 24 dry contact discrete inputs, serving as the interface between field wiring and the internal VME rack controllers.

The board integrates directly with TICI and TBCI interface cables to ensure high-integrity signal transmission and proper hardware isolation. As an H2A revision, it incorporates improved component reliability, enhanced surge suppression, and optimized EMI filtering for harsh industrial environments.

It is widely used in power generation and heavy industrial turbine control systems, where fast response time and precise diagnostics are essential.

Technical Specifications

Parameter Specification
Model Identification IS200STCIH2A
System Compatibility GE Mark VI IS200 Series
Input Capacity 24 Discrete Dry Contact Inputs
Signal Voltage 24V DC / 125V DC (configuration dependent)
Circuit Protection On-board Metal Oxide Varistors (MOVs) for transient suppression
Connector Interface Two 37-pin J-type Sub-D connectors
Physical Dimensions 34 cm × 32 cm × 10 cm
Net Weight 0.3 kg

Common Applications

The IS200STCIH2A terminal board is primarily deployed in turbine and generator control systems for:

  • Trip logic processing

  • Alarm monitoring circuits

  • Motor Control Center (MCC) status feedback

  • Interlock and permissive signal handling

Its architecture supports hot-swappable maintenance in redundant system configurations, minimizing downtime and maintaining process continuity.

Hardware FAQ

What is the difference between STCIH1 and IS200STCIH2A?
The H2A revision includes upgraded circuit components for improved thermal performance and enhanced electromagnetic interference (EMI) shielding compared to the earlier H1 version.

Can this board be used with the Mark VIe system?
The IS200STCIH2A is natively designed for the TMR (Triple Modular Redundant) architecture of the Mark VI platform. While limited migration solutions may exist, it is not inherently designed for the GE Mark VIe system.