ABB SS822Z Power Voting Unit
Description
ABB SS822Z Power Voting Unit is a dual redundant power voting unit designed for industrial automation systems, providing reliable power management and safety signal processing for critical control equipment.
| Specification | Value |
|---|---|
| Operating Power Supply | 24V DC, ±15% voltage tolerance |
| Communication Interface | Supports safety bus protocols (PROFIBUS DP Safety, EtherCAT Safety), up to 12Mbps |
| I/O Capacity | 32 safety input points, 16 safety output points |
| Response Time | ≤10ms for safety signal transmission and processing |
| Operating Temperature | -20 to 60 degrees Celsius |
| Storage Temperature | -40 to 85 degrees Celsius |
| Protection Rating | IP20 |
| Dimensions (L×W×H) | 120mm × 80mm × 60mm |
Key Features:
- High safety performance, meets SIL 3 and PL e safety standards with built-in security mechanisms like data encryption and checksum verification
- High-speed real-time communication with fast response to ensure immediate safety signal transmission in emergency scenarios
- Wide compatibility with various safety sensors, actuators, and safety PLCs, supporting mainstream safety bus protocols
- Comprehensive self-diagnosis and online diagnosis functions to monitor module and bus status, with real-time fault alarms
- Dual redundant design with hot-swappable input support, automatic power switching in <10ms to prevent unexpected power loss
Applications:
- Nuclear power, wind power, and hydropower critical infrastructure control systems
- Industrial automation lines requiring high safety and reliable power supply
- Safety PLC and DCS controller power management systems
Related Models:
- ABB SS822 3BSC610042R1
- ABB SB822
- ABB SD821
- ABB SD823 3BSC610039R1