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IS230TNSVH3A
Product Overview
IS230TNSVH3A is a thermocouple input terminal board belonging to GE IS230 series, designed for Mark VIe Speedtronic turbine control systems. It serves as the field signal interface for temperature measurement, accepting E, J, K, T type thermocouple sensors to feed real-time temperature data back to the Mark VIe controller.
This terminal board is part of the TMR triple modular redundant I/O pack used on gas and steam turbines. It converts thermocouple low-level millivolt signals into readable digital data for turbine monitoring, over-temperature protection and process interlock control. The PCB adopts conformal coating to resist dust, moisture and vibration inside power plant control cabinets. The board is equipped with two barrier terminal strips (TB1 & TB2), each supporting 24 thermocouple input points, and supports grounded or ungrounded thermocouple wiring.
Key Features
- Part Number: IS230TNSVH3A
- Manufacturer: GE Boards & Turbine Control
- Compatible System: GE Mark VIe / Mark VIeS Speedtronic Turbine Control
- Module Type: Thermocouple Input Terminal Board
- Supported Thermocouple Types: E, J, K, T
- 2 terminal blocks, up to 48 thermocouple input channels total
- TMR triple modular redundant architecture
- Conformal coated PCB for harsh cabinet environments
- Supports grounded and ungrounded thermocouple sensors
- Easy terminal block removal for field maintenance and wiring
- Designed for temperature monitoring and turbine over-temperature protection
Technical Specifications
- Model: IS230TNSVH3A
- Series: IS230 Mark VIe I/O Terminal Board
- Signal Input: Thermocouple millivolt signal
- Supported Types: E, J, K, T
- Terminal Blocks: TB1, TB2 barrier style terminals
- Mounting: Screw mounting on shielding frame
- Application: Gas turbine, steam turbine temperature monitoring
- Environment: Industrial control cabinet, power generation
Applications
IS230TNSVH3A is widely used in power generation plants, oil & gas compressor stations and petrochemical facilities. It is installed inside Mark VIe control racks to collect turbine body, exhaust and bearing temperature signals. Common scenarios:
- Gas & steam turbine temperature monitoring
- Turbine over-temperature protection interlock
- Mark VIe system spare replacement & retrofitting
- Power plant DCS and safety system maintenance
FAQ
Q: What thermocouple types does IS230TNSVH3A accept?
A: IS230TNSVH3A supports E, J, K, T type thermocouples for temperature acquisition.
Q: What control system does IS230TNSVH3A work with?
A: It is designed for GE Mark VIe and Mark VIeS Speedtronic turbine control systems.
Q: Do you supply tested IS230TNSVH3A spare parts?
A: We can supply surplus / refurbished IS230TNSVH3A with full functional testing before shipment. Contact us for stock status and quotation.
Q: What is the warranty for IS230TNSVH3A?
A: Warranty varies based on product condition. Please send inquiry for detailed warranty terms.
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