Description

GE IS230TDBTH6A Thermocouple Input Terminal Board

The GE IS230TDBTH6A, also cataloged as the IS230TDBTH6A 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 high-density temperature input termination, conditioning, and isolation for controller monitoring channels.

Hardware Specifications

Parameter	Specification
Model	IS230TDBTH6A
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	Thermocouple Input Terminal Boards
Input Channels	24 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 direct 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 I/O Density Scaling and Signal Processing

The IS230TDBTH6A provides a high-density thermocouple interface for GE Mark VIe control systems. The terminal board receives temperature signals from multiple thermocouple sensors and applies signal conditioning functions including cold junction compensation, linearization, scaling, and EMI filtering before controller processing.

The board supports I/O density scaling within Mark VIe turbine control cabinets by combining 24 temperature measurement channels into a single terminal interface assembly. Firmware flash compatibility depends on the installed GE controller, I/O pack configuration, and system revision.

Channel-to-channel and channel-to-ground isolation separate individual thermocouple circuits from adjacent electrical paths. The isolation design reduces signal interference during temperature measurement and supports deterministic temperature data acquisition.

Frequently Asked Questions

Q: How many thermocouple channels are available on the IS230TDBTH6A?
A: The IS230TDBTH6A provides 24 thermocouple input channels in a high-density configuration.

Q: Which thermocouple sensor types can be connected to the IS230TDBTH6A?
A: The board supports Type E, J, K, S, and T industrial thermocouple inputs.

Q: What signal processing functions are integrated into the board?
A: The board provides EMI filtering, linearization, scaling, and cold junction compensation for thermocouple signals.

Field Installation Guidelines

Install the IS230TDBTH6A in the specified GE Mark VIe rack position and verify proper mechanical seating before connecting field wiring.

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

Connect cable shields according to cabinet grounding standards. Verify thermocouple type selection, channel assignments, and terminal identification before system startup.

Inspect barrier terminals, field wiring insulation, and connector conditions during maintenance procedures. Avoid routing temperature signal cables near sources of electrical noise such as contactors, motors, and power converters.

Specifications

• Brand: General Electric

Advantages

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