Description

GE IS230STCIH6A Simplex Thermocouple Input Terminal Board

The GE IS230STCIH6A, also cataloged as the IS230STCIH6A Simplex Thermocouple Input Terminal Board, operates as a dedicated hardware component for thermocouple temperature signal acquisition within GE Mark VIe Speedtronic control systems. The board provides conditioned analog temperature inputs from field sensors to turbine controller processing channels.

Hardware Specifications

Parameter	Specification
Model	IS230STCIH6A
Brand	GE
Origin	United States
Weight	0.5 kg
Operating Temp	-30 deg C to +65 deg C
Power Consumption	Not specified
Series	Mark VIe Speedtronic Control System
Product Type	Simplex Thermocouple Input Terminal Boards
Input Channels	12 thermocouple input channels
Supported Thermocouple Types	Type E, J, K, S, T
Signal Conditioning	EMI filtering, linearization, and scaling
Cold Junction Compensation	Integrated CJC circuitry
Isolation	Channel-to-channel and channel-to-ground isolation
Terminal Interface	Barrier terminal strips for thermocouple wiring
Storage Temperature	-40 deg C to +85 deg C
Humidity Range	5% to 95% non-condensing
Mounting	Standard Mark VIe rack slot
Compliance	IEC 60584 thermocouple standard

Industrial Control Signal Processing and I/O Density Scaling

The IS230STCIH6A provides thermocouple signal termination and conditioning functions within the GE Mark VIe control architecture. The board receives temperature signals from field thermocouples, applies cold junction compensation, linearization, and filtering, then transfers processed input data through the Mark VIe I/O interface.

The terminal board supports I/O density scaling by integrating 12 temperature measurement channels into a simplex hardware assembly. Firmware flash compatibility depends on the installed GE Mark VIe controller, I/O pack configuration, and system revision.

Channel isolation separates thermocouple measurement circuits from adjacent electrical paths, reducing signal interference during temperature acquisition. The input processing design supports deterministic temperature feedback collection for turbine monitoring and protection logic.

Frequently Asked Questions

Q: How many thermocouple inputs are available on the IS230STCIH6A?
A: The IS230STCIH6A provides 12 thermocouple input channels in simplex configuration.

Q: Which thermocouple types are supported by the board?
A: The board supports Type E, J, K, S, and T thermocouple sensors.

Q: What function does the CJC circuit perform on the IS230STCIH6A?
A: The cold junction compensation circuit corrects reference junction effects during thermocouple temperature measurement processing.

Field Installation Guidelines

Install the IS230STCIH6A in the specified GE Mark VIe rack position and confirm connector engagement before applying system power.

Use compatible thermocouple extension cables and maintain correct polarity between field sensors and terminal connections. Route thermocouple wiring separately from high-current conductors, switching devices, and power supply cables to reduce electromagnetic interference.

Connect cable shields according to cabinet grounding practices. Verify terminal assignments, sensor types, and channel configuration before commissioning.

Inspect terminal blocks, field wiring insulation, and connector conditions during maintenance activities. Avoid unnecessary cable loops and maintain separation between temperature measurement circuits and electrical noise sources.

Specifications

• Brand: General Electric

Advantages

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