GE IS200TBCIH1C Mark VI Contact Input Terminal Board

Product Description

Configured for 24-channel dry-contact signal acquisition in the GE Mark VI turbine control system, the GE IS200TBCIH1C (IS200TBCIH1C Contact Input Terminal Board) provides the field wiring interface for discrete contact signals. It uses two barrier-type terminal blocks and incorporates input noise suppression circuitry. The board connects to a VME rack containing a VCCC or VCRC processor board through molded-connector cables.

Hardware Specifications

Discrete Input Signal Conditioning and Interface

The IS200TBCIH1C accepts discrete contact signals through its field terminal blocks. DC excitation supports contact-state detection, while input noise suppression circuitry helps limit the effects of electrical transients and high-frequency interference.

The board interfaces with a VCCC or VCRC processor board in the Mark VI VME rack through molded-connector cables. The system supports simplex and triple modular redundant (TMR) configurations. The TBCIH1B and TBCIH2B variants are identified in the supplied documentation as functionally equivalent to the corresponding TBCIH1C and TBCIH2C variants. Confirm hardware revision and system compatibility before substitution.

Frequently Asked Questions

Q: How many contact inputs does the IS200TBCIH1C support?

A: The board supports 24 contact input channels connected through two barrier-type terminal blocks.

Q: How does the board connect to the Mark VI controller?

A: Molded-connector cables connect the terminal board to a VME rack containing a VCCC or VCRC processor board.

Q: Can the IS200TBCIH1C operate in a TMR configuration?

A: The supplied documentation identifies support for both simplex and TMR system configurations. Confirm the installed hardware revision and system configuration before replacement.

Field Installation Guidelines

• Verify the complete model number and hardware revision against the installed Mark VI system documentation before installation.
• Isolate field circuits and follow the site's lockout and electrical safety procedures before disconnecting or connecting wiring.
• Identify each field contact and terminal assignment using manual GEH-6421J and the applicable system drawings.
• Confirm the field input voltage and polarity requirements before energizing the contact input circuits.
• Route discrete signal wiring separately from high-energy switching conductors and other significant electrical noise sources where practical.
• Apply the grounding and cable-shield termination methods specified by the system drawings. Do not assume that every field signal requires a grounded shield.
• Inspect terminal connections, molded cable connectors, and board condition before energizing the system.
• Verify contact-state indications and controller input status during commissioning. Check for incorrect wiring, electrical interference, and unexpected input transitions.
• Do not assume hot-swap capability. Follow the approved Mark VI maintenance procedure before removing or replacing the board.

 Other Attributes

• Series: GE Multilin 350 Feeder
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric Mark VI 

Our Competitive Brands

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