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GE IS200STCIH6AED MRP683036 | Mark VI Simplex Contact Input Board
The GE IS200STCIH6AED, associated with GE order number MRP683036, is an STCI simplex contact-input terminal board for GE Mark VI and Mark VIe turbine-control systems. It receives dry-contact signals from field devices such as limit switches, relay contacts, permissive contacts, and protective switches.
The board is used for discrete signal acquisition and field-wiring termination in gas-turbine, steam-turbine, and industrial control applications. It may be required for replacement, maintenance, troubleshooting, or spare-parts support of installed GE Speedtronic control systems.
A GE Mark VIe equipment document lists STCI terminal boards as accessories for the IS220PDIAH1A discrete I/O pack.
Technical Details
Item Description
Manufacturer General Electric
Part number IS200STCIH6AED
GE order number MRP683036
Board designation STCI
Product type Simplex contact input terminal board
System family GE Mark VI / Mark VIe
Application Dry-contact and discrete signal acquisition
Typical input type Field contact signals
Associated I/O pack IS220PDIAH1A or compatible pack; verify exact configuration
Mounting Terminal-board installation in the control cabinet
Condition New surplus, refurbished, rebuilt, or used
Main Features
GE IS200-series industrial control hardware.
Simplex contact-input interface.
Designed for field dry-contact signal acquisition.
Supports connection of switches, relays, interlocks, and protection contacts.
Used with compatible GE Mark VIe discrete I/O hardware.
Suitable for turbine-control maintenance and replacement.
Available depending on inventory as new surplus, refurbished, rebuilt, or tested used equipment.
Input and Electrical Information
Supplier references commonly describe the IS200STCIH6AED as a 24-channel contact-input terminal board. One listing identifies the associated part as a 24-channel dry-contact signal acquisition unit, while another lists a 24 VDC operating level.
Some third-party pages publish conflicting values, including 32 channels, 8.5–28 VDC input, analog 0–10 V or 4–20 mA signals, 1,500 VAC isolation, and communication protocols. These claims are not consistent with the STCI contact-input function and should not be treated as verified specifications.
For accurate technical content, use:
GE IS200STCIH6AED MRP683036 is a simplex contact-input terminal board for GE Mark VI and Mark VIe turbine-control systems. It is designed for field dry-contact signal acquisition through compatible GE discrete I/O hardware.
Replacement Guide
Before replacing IS200STCIH6AED, verify:
The complete part number, including H6AED.
GE order number MRP683036, if shown on the original label.
The connected I/O pack and controller architecture.
Number of contact-input channels and terminal assignments.
Contact voltage, wetting-current, and common-terminal arrangement.
Connector type, pinout, and cable routing.
Cabinet location and Mark VI or Mark VIe system revision.
Required input simulation, loop checks, and alarm tests.
Board condition, terminal integrity, and signs of overheating or corrosion.
Do not substitute the similar IS200STCIH2A or IS200STCIS6AED without verifying the complete hardware configuration. Different suffixes may indicate different terminal layouts, input circuits, approvals, or I/O-pack compatibility.
Associated I/O Hardware
The GE Mark VIe equipment documentation identifies the IS220PDIAH1A discrete I/O pack with compatible STCI terminal boards, including IS200STCIH1A, IS200STCIH2A, and IS200STCIH8A. The exact association for the H6AED version should be confirmed from the system drawings and board documentation.
This is important because a terminal board and I/O pack operate as an interface pair. Matching only the general STCI designation is insufficient for a safe replacement.
Ordering Information
Include the following details in a quotation request:
Complete part number: IS200STCIH6AED.
GE order number: MRP683036.
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.
Test report and warranty requirements.
Destination country and delivery terms.
A strong product listing should show actual inventory photographs, identification labels, terminal details, condition, test status, warranty, and lead time.
Frequently Asked Questions
What is GE ?
GE IS200STCIH6AED is a simplex contact-input terminal board used in GE Mark VI and Mark VIe turbine-control systems.
What is MRP683036?
MRP683036 is the GE order or inventory number associated with IS200STCIH6AED in supplier listings.
What type of signals does it receive?
It is intended for discrete contact signals from field switches, relays, permissives, interlocks, and protection circuits.
How many input channels does it have?
Supplier references commonly describe it as a 24-channel contact-input board. Confirm the exact channel count from the board documentation and revision before installation.
Is it compatible with IS220PDIAH1A?
STCI terminal boards are used with GE discrete I/O packs, and GE documentation lists several STCI boards as accessories for IS220PDIAH1A. Confirm whether the specific H6AED revision is approved for the installed I/O pack.
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