IS220PTURH1B 2 IS220PTURH1B 4 IS220PTURH1B 3

The GE IS220PTURH1B is a dedicated Primary Turbine Trip I/O Module engineered for integration with GE’s Mark VIe and Mark VI control systems. As a core component of turbine safety architecture, this module monitors critical turbine parameters and executes rapid trip commands when overspeed or fault conditions occur, safeguarding high‑speed rotating machinery and preventing catastrophic failure.

Purpose‑built for industrial environments, the IS220PTURH1B combines robust signal handling, dual Ethernet connectivity, and comprehensive diagnostics. Its compact footprint and straightforward rack integration make it ideal for use in power generation plants, petrochemical facilities, and other mission‑critical automation systems where fast, reliable protection logic is essential.

Technical Specifications

Parameter	Specification
Model	IS220PTURH1B
Module Type	Primary Turbine Trip I/O Module
System Compatibility	GE Mark VIe / Mark VI Control Systems
Primary Function	Turbine overspeed & protection trip logic
Speed Input Channels	4 (magnetic pickup or speed transducer)
Protection Inputs	Digital and voltage feedback for trip conditions
Trip Output Type	Isolated discrete outputs
Voltage Detection Range	16–140 V DC
E‑Stop Input Range	18–140 V DC
Communication Interface	Dual Ethernet (redundant capable)
Terminal Board	Works with IS200TRPAH1A
Power Supply	28 V DC nominal
Power Consumption	≤ 25 W
Operating Temperature	–30 °C to +65 °C
Dimensions (L × W × H)	120 × 80 × 40 mm
Weight	0.80 kg

Recommended Related Models

IS220PPROH1A – Turbine Protection Output Module
IS220PPROS1B – Protection Output Signal Module
IS220PPRAH1A – Emergency Protection I/O Module
IS220PDIOH1B – Discrete Input/Output Module
IS220UCSAH1A – Controller Module

Popular GE Mark VIe Modules

IS220PDIAH1B
IS220PDIIH1B
IS220PPRFH1B
IS220PPDAH1B
IS220PRTDH1B
IS220PSVOH1B

Application Areas

The IS220PTURH1B is widely used in environments where fast and dependable trip actions are critical:

Gas and steam turbine protection and safety systems
Power generation and combined‑cycle plants
Emergency shutdown systems in industrial automation
Turbine overspeed detection and fault management
Redundant safety loops in critical control networks

By continuously evaluating speed and protection feedback, the module delivers reliable trip decisions that help maintain operational safety and equipment integrity.

Key Advantages

Dedicated Protection Logic – Purpose‑built for overspeed and trip decision processing
Fast Response Output – Rapid trip output delivery for emergency action
Redundant Communication – Dual Ethernet interfaces enhance reliability
Robust Industrial Design – Designed for extended temperature and harsh conditions
Clear Diagnostics – Integrated status indicators support quick troubleshooting
Compact and Efficient – Saves panel space while delivering high performance

Technical FAQs

1. What is the main role of IS220PTURH1B?
It monitors turbine speed and critical protection inputs and instantly triggers trip outputs when unsafe conditions are detected.

2. What type of trip logic does it support?
It supports primary turbine overspeed and emergency shutdown logic with configurable thresholds.

3. How many speed inputs can it handle?
Up to 4 speed inputs from magnetic pickups or speed sensors.

4. What is the power supply requirement?
Nominal 28 V DC.

5. What is the typical operating temperature range?
–30 °C to +65 °C.

6. What type of outputs are provided?
Isolated discrete trip outputs compatible with protection circuits.

7. Can this module be used in redundant systems?
Yes, it supports redundant Ethernet and redundant system configurations.

8. What industries commonly use this module?
Power generation, oil & gas, industrial turbine applications.

9. What is the approximate weight?
0.80 kg.

10. Why is this module essential for turbine systems?
Because it provides dedicated, fast, and reliable protection logic that ensures rapid trip action to safeguard equipment and personnel.

Look forward to your comments!Comment