Description
Woodward ProTech GII 8237-1597
Technical Specifications
- Part Number: 8237-1597.
- Type: Safety Protection Relay.
- Certification: SIL 3 / IEC 61508.
- I/O: Multiple safety inputs and redundant relay outputs.
Functional Features
- Fail-Safe Design: De-energizes to trip on loss of power or internal fault.
- Online Testing: Allows partial stroke testing and channel testing without process shutdown.
- Event Recording: Non-volatile memory for post-trip forensic analysis.
- Network Ready: Seamless integration with plant safety systems.
Application Scenarios
Essential for protecting high-value rotating equipment in petrochemical, power, and marine applications.
Performance Parameters
- Trip Accuracy: Highly precise and repeatable.
- Mean Time to Dangerous Failure: Extremely low PFDavg.
Material Composition
Premium safety-grade components and conformal coating.
Structural Characteristics
Robust enclosure with clear visual indicators for system health and trip status.
Working Principle
Continuously evaluates safety inputs against configured limits. Upon detecting a genuine hazard, it executes a safe shutdown sequence while preventing spurious trips through advanced diagnostic algorithms.
Installation Requirements
Install in a protected control panel. Verify all safety loop wiring matches the safety cause-and-effect matrix.
Precautions for Use
Adhere strictly to the manufacturer’s safety manual. Never ignore diagnostic alarms, as they may indicate a degraded safety state.




