IS200STCIH6A - Simplex Contact Input Terminal Board

IS200STCIH6A - Simplex Contact Input Terminal Board IS200STCIH6A - Simplex Contact Input Terminal Board

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Part Number: IS200STCIH6A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Contact Input Terminal Board
Repair: 3-5 Days
Product of Origin: United States
Availability: In Stock
Manual: GEH-6721

Functional Description

IS200STCIH6A is a Simplex Contact Input Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in Distributed Control Systems. Compact contact input terminal boards for DIN-rail or flat installation are available, such as the Simplex Contact Input (STCI) terminal board. The STCI board can accept 24 contact inputs from external sources that are stimulation with nominal 24, 48, and 125 V dc. The noise suppression on the contact inputs guards against surges and high-frequency noise. With Mark VIe and Mark VIeS systems, the STCI is compatible.


The STCI and PAIC I/O packs are compatible. The I/O pack connects to the D-type connection and uses Ethernet to interact with the controller. There is just support for simplex systems.

IS200STCIH6A Installation

A sheet metal carrier that is mounted on a DIN rail carries the STCI along with a plastic insulator. The STCI plus insulator may instead install to a sheet metal assembly that is subsequently fastened within a cabinet. The terminal block is directly wired to the contact inputs, commonly using #18 AWG wires. Shields should end on a distinct bracket.

Wiring to STCI Terminal Board 

Fig 1: Wiring to STCI Terminal Board


They are scaled for 24, 48, and 125 V dc excitation and have the same function and onboard signal conditioning as those on TBCI. There are three different input excitation ranges: 16 to 32 V dc, 32 to 64 V dc, and 100 to 145 V dc. 50% of the excitation voltage is the threshold voltage. The figure shows the touch sensing circuits. On the first 21 circuits, contact input currents are resistance limited to 2.5 mA, and on circuits 22 through 24, to 10 mA. Using resettable polymer positive temperature coefficient fuses, the 24 V dc supply is current limited to 0.5 A.

STCI Contact Input Circuits 

Fig 2: STCI Contact Input Circuits

On each input close to the signal entrance point, filters decrease high-frequency noise and prevent surges. The I/O processor receives the discrete input voltage signals and converts them to digital signals before sending them to the controller after passing them through optical isolators.

IS200STCIH6A Characteristics

  • Number of Channels: 24
  • Input Current: 24 V dc
  • Operating Temperature: -30 to + 65 degrees Celsius
  • Size: 15.9 cm high x 10.2 cm wide
  • Technology: Surface-Mount

WOC has the largest stock of GE Mark VIe distributed control systems OEM Replacement Parts. WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly get in touch with our team by phone or email.




What is GE Mark VIe IS200STCIH6A?
It is a Simplex Contact Input Terminal Board developed by General Electric and used in distributed control systems.

How to Check Price and Availability For Simplex Contact Input Terminal Board?
Please Contact World of Controls FZE for sales at +1 609 385 1231 or Request a Quote.

How are boards packaged for shipment from WOC?
Parts are placed in antistatic packets and securely packed in ESD boxes cushioned with ESD Foam designed to safeguard electrical components.