IS410STCIS2A IS400STCIS2AFF | GE Mark VIe Contact Input Terminal Board

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IS410STCIS2A IS400STCIS2AFF

Product Overview

IS410STCIS2A and IS400STCIS2AFF are STCI simplex contact input terminal boards for GE Mark VIe and Mark VIeS Speedtronic turbine control systems. IS410STCIS2A is the standard production model, while IS400STCIS2AFF is an engineering variant built for custom project requirements. Both boards maintain identical core dry contact input functionality.

This terminal board works together with the YCIA contact input I/O pack. It serves as the field wiring interface to collect dry contact / digital status signals from limit switches, auxiliary relays, circuit breakers and mechanical interlock devices. The board transmits discrete on/off status data back to the Mark VIe controller for equipment state monitoring and interlock logic execution. An on-board ID chip supports automatic board identification and continuous diagnostic reporting to the host control system. The PCB is conformal coated to protect against dust, humidity and vibration inside power plant control cabinets.

Key Features

• Part Number: IS410STCIS2A / IS400STCIS2AFF
• Manufacturer: GE Boards & Turbine Control
• Compatible System: GE Mark VIe / Mark VIeS Turbine Control System
• Module Type: Simplex Contact Input Terminal Board (STCI)
• Input Signal: Dry contact / digital status input
• Matching I/O Pack: YCIA contact input I/O pack
• On-board ID chip for auto recognition and system diagnostics
• Conformal coated PCB for harsh industrial cabinet environments
• Screw terminal blocks for secure field wiring
• Simplex architecture for non-TMR auxiliary status monitoring
• Designed for rack mounting inside Mark VIe control cabinets

Technical Specifications

• Model: IS410STCIS2A (standard), IS400STCIS2AFF (engineering variant)
• Series: GE Mark VIe STCI Contact Input Terminal Board
• Signal Type: Dry contact discrete status signal
• Compatible I/O Pack: YCIA
• Mounting: Installed within Mark VIe I/O rack assembly
• Operating Temperature: -20°C ~ +60°C
• Typical Application: Gas turbine, steam turbine auxiliary equipment status monitoring
• Working Environment: Power plants, oil & gas compressor stations, petrochemical facilities

Applications

IS410STCIS2A and IS400STCIS2AFF are widely used in power generation, oil and gas, and petrochemical industries. They are mounted inside Mark VIe control racks to capture contact feedback signals from field mechanical devices. Common use cases:

• Gas & steam turbine auxiliary equipment contact status acquisition
• Circuit breaker, valve limit switch and relay feedback monitoring
• Mark VIe / Mark VIeS spare replacement and control rack retrofitting
• Balance of plant (BOP) discrete status monitoring and interlock logic
• Compressor station safety switch signal collection

FAQ

Q: What is the difference between IS410STCIS2A and IS400STCIS2AFF?

A: IS410STCIS2A is the standard production terminal board. IS400STCIS2AFF is an engineering variant for custom project configurations. The core contact input function, signal type and wiring layout remain the same.

Q: Which I/O pack pairs with IS410STCIS2A?

A: It is designed to work with the YCIA contact input I/O pack for Mark VIe turbine control systems.

Q: What signals does this STCI board read?

A: It receives dry contact on/off feedback signals from limit switches, auxiliary relays and breakers.

Q: Do you supply tested IS410STCIS2A and IS400STCIS2AFF spare parts?

A: We supply surplus and refurbished terminal boards with full functional testing before shipment. Contact us for stock status and quotation.

Q: What warranty can you offer?

A: Warranty conditions depend on product condition. Please send inquiry to get detailed warranty terms.

Call to Action

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