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GE IS200STCIH2A | Mark VIe Simplex Contact Input Terminal Board
The GE IS200STCIH2A is a Simplex Contact Input Terminal Board used in GE Mark VIe and Mark VIeS turbine control systems. It provides the interface between field contact devices—such as switches, relays, limit switches, and protective contacts—and the turbine-control system.
The board is intended for contact or discrete-input signal acquisition and is commonly used with a compatible GE I/O pack. It may be required for Mark VIe system maintenance, replacement, troubleshooting, commissioning, and spare-parts management.
GE’s published certification material identifies the STCIH2A family with a 24–28 VDC input supply, contact inputs up to 32 VDC, and an ambient temperature range of –30°C to +65°C.
Technical Details
Item Description
Manufacturer General Electric
Part number IS200STCIH2A
Board designation STCI
Product type Simplex contact input terminal board
System family GE Mark VIe / Mark VIeS
Application Digital, discrete, and dry-contact signal acquisition
Typical input count 24 contact inputs
Input signal Contact input, typically up to 32 VDC
Associated I/O pack Compatible discrete-input I/O pack; verify exact model
Operating temperature –30°C to +65°C, according to GE certification data
Condition New surplus, refurbished, rebuilt, or used
Supplier descriptions commonly identify this board as a 24-channel contact-input board. GE certification documentation identifies the STCIH2A family with a 24–28 VDC input supply and contact-input circuits rated from 0 to 32 VDC.
Main Features
GE IS200-series terminal-board hardware.
Simplex contact-input architecture.
Supports field switches, relays, limit switches, and protective contacts.
Provides signal termination and conditioning for compatible GE I/O hardware.
Designed for GE Mark VIe and Mark VIeS turbine-control systems.
Suitable for industrial turbine, generator, and process-control applications.
Available as new surplus, refurbished, rebuilt, or tested used stock.
Electrical Information
The GE certification data identifies the STCIH2A family with:
Input supply: 24–28 VDC, up to 0.24 A.
Contact input range: 0–32 VDC.
Contact wetting output: approximately 32 VDC and 110 mA DC for the STCIH1A/H2A family.
Ambient operating range: –30°C to +65°C.
These values should be used as reference information only. The actual application may depend on the connected I/O pack, terminal-board revision, system wiring, and safety classification.
Replacement Guide
Before replacing IS200STCIH2A, verify:
The complete part number and revision suffix.
The number and numbering of contact-input channels.
The installed I/O pack and controller architecture.
Field-contact voltage and wetting-current requirements.
Terminal-block arrangement and removable connector type.
The 37-pin D-type connector and its mating cable.
Cabinet location and Mark VIe/Mark VIeS system configuration.
Input polarity, common terminals, and grounding arrangement.
Required loop checks, channel tests, and alarm verification.
The IS200STCIH2A has been described with a 37-pin female D-type connector and terminal connections marked E1 and E2 in supplier documentation. Confirm the physical layout against the actual board before wiring.
Compatible and Related Models
The STCI family includes several related models, such as:
IS200STCIH1A.
IS200STCIH2A.
IS200STCIH8A.
IS230STCIH2A.
IS400STCIH2A.
These models are not automatically interchangeable. Differences may involve input-wetting circuits, voltage ratings, safety approvals, terminal arrangements, or system architecture. GE certification documents list several of these variants separately, confirming that the model suffix matters.
Important Technical Note
Some third-party listings state that the board supports 24, 48, or 125 VDC field excitation, while GE certification information for the STCIH2A family identifies contact inputs up to 32 VDC. These claims conflict and should not be combined into a single specification.
For a technically accurate product page, use the following conservative description:
GE IS200STCIH2A is a simplex contact input terminal board for GE Mark VIe and Mark VIeS turbine control systems. It interfaces field contact signals with compatible GE discrete-input I/O hardware. The exact input voltage, wetting circuit, channel configuration, and I/O-pack compatibility must be verified from the system documentation.
Ordering Information
Include the following details when requesting a quotation:
Complete part number: .
Required quantity.
Preferred condition: new, surplus, refurbished, rebuilt, or used.
Associated I/O pack model.
Photos of the board label, terminals, connector, and mounting side.
Required test report and warranty.
Destination country and shipping requirements.
A high-quality product page should display actual stock photos, board labels, terminal details, testing status, warranty period, and lead time.
Frequently Asked Questions
What is GE IS200STCIH2A?
GE IS200STCIH2A is a simplex contact-input terminal board used in GE Mark VIe and Mark VIeS turbine-control systems.
How many inputs does it have?
Supplier and catalog references commonly list 24 contact-input channels. Confirm the exact channel configuration from the board revision and system documentation.
What devices can connect to it?
Typical field devices include dry-contact switches, relay contacts, limit switches, permissive contacts, and protective trip contacts.
Is the same as IS230STCIH2A?
They are related STCI-family references, but they should not be assumed to be identical or interchangeable. Verify the system architecture, I/O pack, terminal layout, and revision.
Is it compatible with Mark VIeS?
Yes, available references associate the STCIH2A family with Mark VIe and Mark VIeS systems. Confirm the specific safety-system configuration before installation.
GE BRAND
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| IC698PSA100E | DS200DCFBG1BGB | 531X304IBDASG1 |
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