General Electric IS220PTCCH1B Mark VIe Series Thermocouple Input Pack

The GE IS220PTCCH1B is a high-performance thermocouple input pack from the Mark VIe series, designed to interface with multiple thermocouple sensor types for precise temperature monitoring and control. It serves as a crucial component in industrial automation systems, specifically in applications involving combustion monitoring and temperature-critical processes. The IS220PTCCH1B supports up to 12 thermocouple channels and includes an integrated cold junction compensation sensor, delivering accurate, reliable, and stable performance across a wide range of temperatures.

The updated “B” version (replacing the earlier IS220PTCCH1A) incorporates enhanced electronics and backward compatibility for ease of integration with legacy systems, including TMR configurations. Its modular architecture ensures adaptability for future upgrades and ease of maintenance, aligning with GE’s long-term lifecycle support strategies.

Technical Specifications

Applications

• Gas and steam turbine temperature monitoring

• Industrial furnace and kiln monitoring

• Combustion control systems

• Process temperature regulation in petrochemical plants

• Critical safety temperature sensing in power generation units

• Distributed I/O systems in industrial automation environments

Advantages

• High Channel Density: Supports 12 thermocouple inputs in a compact module.

• Integrated Cold Junction Compensation: Ensures accuracy by correcting for ambient temperature variations.

• Backward Compatibility: Enables seamless replacement of IS220PTCCH1A without system redesign.

• Robust Design: Suitable for harsh industrial conditions with extended temperature and humidity ranges.

• Lifecycle Support: GE offers extensive upgrade paths and long-term support.

• TMR Integration: Fully compatible with Triple Modular Redundant systems for critical applications.

• Modular Architecture: Facilitates easy installation, maintenance, and future upgrades.

Frequently Asked Questions (FAQ)

Q1: What thermocouple types are supported by IS220PTCCH1B?

A1: It supports types K, J, E, T, N, S, B, and R, depending on the firmware configuration.

Q2: Can IS220PTCCH1B be used in redundant TMR configurations?

A2: Yes, it is fully compatible with Triple Modular Redundant (TMR) systems.

Q3: What is the difference between IS220PTCCH1A and IS220PTCCH1B?

A3: The “B” version features updated electronics, improved reliability, and extended lifecycle support while remaining backward-compatible.

Q4: How is cold junction compensation implemented?

A4: The module integrates a built-in cold junction compensation sensor for accurate readings.

Q5: What power supply is required for IS220PTCCH1B?

A5: It operates on a nominal 28 VDC power supply.

Q6: What is the maximum measurable temperature range?

A6: Depending on the thermocouple type, it can measure from -200°C to +1800°C.

Q7: Can it be used in environments with high humidity?

A7: Yes, it operates effectively in 5% to 95% non-condensing humidity.

Q8: Is it hot-swappable?

A8: No, the module should be replaced during maintenance windows to avoid disruption.

Q9: What communication protocols are supported?

A9: It uses Ethernet and GE’s IONet protocol for high-speed data transmission.

Q10: Is firmware upgrade supported?

A10: Yes, the module supports firmware upgrades to expand thermocouple compatibility or improve performance.