Description
ABB PP845A 3BSE042235R2
Technical Specifications:
- Order Code: 3BSE042235R2.
- Safety Rating: SIL 3 (IEC 61508), Cat 4 / PL e (ISO 13849-1).
- Input Configuration: 10 dual-channel or 20 single-channel HTL inputs.
- Operating Voltage: 18-30 V DC (Nominal 24 V DC).
- Weight: Approximately 2.5 kg (including packaging/module).
Functional Features:
- Enhanced Diagnostics: Improved fault detection algorithms for faster identification of field wiring issues.
- Backward Compatibility: Fully compatible with existing AC 800M safety applications.
- LED Indicators: Comprehensive visual feedback for power, run, communication, and channel status.
- Robust Design: High immunity to electrical noise and transient voltages.
Application Scenarios:
- Critical process safety systems in chemical and pharmaceutical plants.
- Turbine and compressor protection systems.
- Railway signaling and track safety monitoring.
- Nuclear facility auxiliary safety systems.
Performance Parameters:
- Continuous Current: 6 A max through ring-through power paths.
- Environmental Rating: Designed for standard industrial environments (-10°C to +60°C).
- Certifications: CE, UL 61010-2-201, Marine approvals (DNV, KR, GL, LR, ABS, CCS).
Material Composition & Structural Characteristics:
- Housing: Flame-retardant industrial plastic with metal backplane connectors.
- PCB: Conformal-coated board for moisture and dust resistance.
- Terminals: Color-coded, high-visibility screw terminals for easy wiring.
Working Principle:
Operating identically to the base PP845 model, the 3BSE042235R2 revision utilizes updated internal firmware and hardware components to provide more granular diagnostic data to the System 800xA controller, facilitating faster troubleshooting and maintenance.
Installation Requirements:
- Slot Assignment: Install in designated safety I/O slots within the AC 800M rack.
- Wiring Standards: Follow IEC 61508 wiring guidelines for safety instrumented systems.
- Software: Load the correct hardware profile in the safety configuration tool.
Usage Precautions:
- Documentation: Refer to the latest ABB safety manual for the 3BSE042235R2 revision.
- Modifications: Do not modify field wiring without updating the safety logic and performing a validation test.
- Storage: Store in a dry, temperature-controlled environment if kept as a spare.





