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GE IS200TBCIH2CAA | Mark VI 24-Channel Contact Input Terminal Board
The GE IS200TBCIH2CAA is a TBCI contact input terminal board for the GE Mark VI turbine control system. It provides field-wiring termination and signal interfacing for discrete or dry-contact inputs connected to compatible Mark VI I/O hardware.
The board is suitable for turbine-control maintenance, replacement, troubleshooting, and spare-parts support. It may be used with contact signals from switches, relays, permissive circuits, interlocks, and protection devices.
Some third-party listings incorrectly describe this model as a thermocouple/RTD analog-input board, a communication board, or a general-purpose control module. These descriptions conflict with the more consistent identification of the unit as a contact input terminal board.
Technical Details
Item Description
Manufacturer General Electric
Part number IS200TBCIH2CAA
Board designation TBCI
Product type Contact input terminal board
System family GE Mark VI
Application Digital and dry-contact input termination
Typical input capacity 24 dry-contact inputs
Interface Field terminal wiring to compatible GE I/O hardware
Installation Mark VI control cabinet or I/O subsystem
Condition New surplus, refurbished, rebuilt, or used
Compatibility Verify with the installed I/O pack and system architecture
The TBCI product listing identifies the board as accommodating 24 dry-contact inputs.
Main Features
GE IS200-series Mark VI control-system hardware.
Contact-input termination for field devices.
Supports dry-contact and discrete signal acquisition.
Suitable for switches, relay contacts, permissives, interlocks, and trip contacts.
Designed for integration with compatible Mark VI I/O modules.
Suitable for legacy turbine-control maintenance and replacement.
Available in new surplus, refurbished, rebuilt, or tested used condition.
Replacement Guide
Before replacing IS200TBCIH2CAA, verify:
The complete part number, including H2CAA.
Board revision, artwork number, and identification label.
Number and arrangement of field-input terminals.
Connected I/O pack or controller.
Input voltage, contact-wetting circuit, and common-terminal arrangement.
Connector type, pinout, and cable routing.
Cabinet position and system redundancy configuration.
Shielding, grounding, and field-circuit segregation.
Required channel simulation and alarm verification after installation.
The suffix H2CAA should be matched exactly. A similar TBCI board may have a different terminal arrangement, voltage configuration, redundancy function, or I/O-pack interface.
Important Technical Note
One supplier page reports RS-485/RS-232 interfaces, 10–30 VDC input and output ranges, and eight channels, while another describes the board as a thermocouple/RTD analog-input module. These specifications are inconsistent with the contact-input descriptions from other listings and should not be published as verified data.
For accurate SEO content, use this conservative description:
GE IS200TBCIH2CAA is a contact input terminal board for the GE Mark VI turbine control system. It provides field termination for up to 24 dry-contact inputs and interfaces them with compatible GE I/O hardware.
Exact input voltage, channel wiring, isolation, dimensions, and I/O-pack compatibility should be confirmed from GE documentation or the actual unit.
Related Models
Model General description
IS200TBCIH1B Contact input terminal board family
IS200TBCIH1BBC 24-channel contact input termination board, commonly associated with TMR applications
IS200TBCIH2CAA TBCI contact input terminal board
IS200STCIH2A Simplex contact input terminal board; not automatically interchangeable
IS200TBCIH1BCE Related contact terminal board with a different suffix
These models should not be substituted based only on the TBCI or STCI designation. Verify the complete part number, terminal layout, I/O pack, and system wiring.
Ordering Information
Include the following details in a quotation request:
Complete part number: IS200TBCIH2CAA.
Required quantity.
Preferred condition: new, surplus, refurbished, rebuilt, or used.
Associated Mark VI I/O pack.
Photos of the board label, terminal blocks, connectors, and mounting side.
Test report and warranty requirements.
Destination country and delivery terms.
A strong product page should include real stock photographs, label details, terminal layout, condition, testing status, warranty, and lead time.
Frequently Asked Questions
What is GE ?
GE IS200TBCIH2CAA is a TBCI contact input terminal board used in GE Mark VI turbine-control systems.
How many inputs does it support?
Available product references commonly identify it as a 24-channel dry-contact input board. Confirm the exact channel assignment from the system drawings.
What signals can it receive?
Typical signals include dry contacts from switches, relays, permissive circuits, interlocks, and protection devices.
Is IS200TBCIH2CAA an RTD or thermocouple board?
It should not be described as an RTD or thermocouple board without supporting GE documentation. The more consistent available references identify it as a contact input terminal board.
Is it compatible with Mark VIe?
Some supplier pages associate the model with Mark VIe, but the strongest product references identify it with Mark VI. Verify the exact I/O architecture and system documentation before installing it in a Mark VIe system.
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