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GE IS200TBCIH1C Contact Input Terminal Board

The GE IS200TBCIH1C, also cataloged as the IS200TBCI Contact Input Terminal Board, operates as a dedicated hardware component for discrete contact signal termination and field input conditioning within the GE Mark VI Speedtronic turbine control system. The board interfaces external switches and relay contacts with controller input circuits.

Hardware Specifications

Parameter	Specification
Model	IS200TBCIH1C
Brand	GE
Origin	United States
Series	Mark VI Speedtronic
Product Type	Terminal Board
Board Type	Contact Input Terminal Board
Input Channels	24 contact inputs
Input Voltage Range	24 VDC / 125 VDC
Signal Type	Discrete contact input signals
Isolation	Optical isolation per channel
Filtering	RC network noise suppression
Controller Interface	37-pin D-sub connector
Field Interface	Screw terminals
Jumper Pins	2 metal pins
Mounting	Typical DIN rail mounting
Weight	0.5 kg
Dimensions	200 mm x 150 mm x 35 mm
Operating Temp	-30 to +65 deg C

I/O Density Scaling and Mark VI Discrete Signal Interface

The IS200TBCIH1C provides contact input termination functions within the GE Mark VI Speedtronic control architecture. The board receives discrete signals from field devices including limit switches, pressure switches, and protective relay contacts, then transfers conditioned input states to the turbine controller.

The terminal board supports GE industrial control platform integration through dedicated controller connections and contributes to I/O density scaling by providing multiple contact input channels in a compact terminal assembly. Optical isolation separates field circuits from controller electronics, while RC filtering reduces interference from external switching environments.

The module supports GE Mark VI system configurations with firmware flash compatibility across associated control hardware assemblies. The terminal interface design provides direct signal routing for turbine protection logic, permissive monitoring, and interlock functions.

Frequently Asked Questions

Q: How many contact input channels are available on the IS200TBCIH1C?
A: The board provides 24 discrete contact input channels for field device monitoring.

Q: What type of field devices can connect to the IS200TBCIH1C?
A: The board interfaces with discrete devices such as switches, relay contacts, and protective input circuits.

Q: What mounting method is specified for the IS200TBCIH1C?
A: The board is designed for typical DIN rail mounting within the Mark VI control cabinet.

Field Installation Guidelines

Install the IS200TBCIH1C on the designated DIN rail location and verify terminal identification before connecting field contact wiring. Confirm input voltage compatibility and jumper configuration before system energization.

Route contact input cables separately from high-current switching conductors to reduce EMI/RFI coupling. Apply cabinet grounding practices for shielded cables where applicable. Verify controller connector seating, field terminal connections, and input channel assignments during commissioning.

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