Description

GE IS200STCIH6A Contact Input Terminal Board

Configured for discrete field signal termination in the GE Mark VIe Speedtronic control system, the GE IS200STCIH6A (IS200STCIH6A Contact Input Terminal Board) provides physical connection between turbine field contact devices and PDIA I/O packs through DIN-rail mounted terminal interfaces.

Hardware Specifications

Parameter	Specification
Model	IS200STCIH6A
Brand	GE
Origin	United States
Product Type	Contact Input Terminal Board
System Platform	Mark VIe Speedtronic
Functional Part Number	IS200STCIH1A
Input Style	Discrete contact input
I/O Pack Quantity	One PDIA I/O Pack
Excitation Voltage	24 VDC, 48 VDC, or 125 VDC field-selectable
Isolation	Galvanic isolation between field channels and backplane interface
Connectors	Screw terminals and ribbon header interfaces
Mounting	35 mm DIN rail
Weight	0.52 kg
Dimensions	200 mm x 150 mm x 35 mm
Operating Temp	-30 to +65 deg C
Power Consumption	Field excitation dependent; no independent control power input specified

Discrete Signal Isolation and Mark VIe Interface Characteristics

The IS200STCIH6A provides termination and signal conditioning for discrete contact inputs connected to GE Mark VIe turbine control cabinets. The board accepts voltage-free contact signals from external devices and routes the processed input states through a PDIA I/O pack interface.

The terminal board incorporates galvanic isolation, EMI filtering, and surge suppression functions to reduce interference from turbine cabinet wiring environments. The design supports discrete input applications including limit switches, relay contacts, emergency stop circuits, and auxiliary status contacts.

The board operates as a simplex terminal interface with one associated PDIA I/O pack connection. The DIN-rail mechanical format allows installation within compact control panels while maintaining separation between field wiring and controller electronics.

Frequently Asked Questions

Q: What type of field signals can the IS200STCIH6A terminate?
A: The IS200STCIH6A terminates discrete contact signals from field devices such as switches, relay contacts, and emergency stop circuits. The input style is discrete contact input.

Q: Does the IS200STCIH6A provide electrical isolation?
A: Yes. The terminal board provides galvanic isolation between field input channels and the backplane interface to the associated PDIA I/O pack.

Q: What mounting method is used for this terminal board?
A: The IS200STCIH6A uses a 35 mm DIN-rail mounting arrangement for installation inside Mark VIe control cabinets.

Field Installation Guidelines

Install the IS200STCIH6A on a correctly secured 35 mm DIN rail inside the control cabinet. Verify terminal assignments before connecting field wiring to prevent incorrect discrete input mapping.

Route contact input cables separately from high-current power conductors and switching circuits to reduce electromagnetic interference. Maintain proper cable shielding and connect shield layers according to cabinet grounding practices.

Confirm that field excitation voltage selection matches the connected device requirements before energizing the circuit. Inspect ribbon header and I/O pack connections for proper mechanical engagement before system startup.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems