ABB PM858 3BSE093350R1 Redundant controller module

ABB PM858 3BSE093350R1 Redundant controller module

Specific Parameters​

Electrical Parameters​

Processor: Dual-core 32-bit industrial-grade CPU, 1.2GHz clock speed, supporting parallel computing​

Memory Configuration: 2GB DDR4 RAM (operating memory), 8GB eMMC flash memory (program/data storage)​

Operating Voltage: 24V DC±10%, supporting dual-power redundant input​

Power Consumption: Typical 15W, maximum 20W (full-load operation)​

Communication Interfaces: 2 Gigabit Ethernet ports (supporting Modbus TCP/IP, Profinet IRT), 1 RS-485 port (Modbus RTU)​

I/O Expansion: Supports up to 64 local I/O modules, remote I/O expansion via PROFIBUS DP/PA​

Safety Certifications: IEC 61508 SIL 3, IEC 61131-3 (programming language standard), CE, UL 508​

Scan Cycle: Minimum 1ms (logic control), 5ms (process control), meeting real-time control requirements​

Diagnostic Functions: Integrated self-diagnosis for power failure, communication interruption, CPU overload, memory error, fault codes output via Ethernet​

Mechanical Parameters​

Overall Dimensions: 100mm (W) × 160mm (H) × 220mm (D), standard rack-mounted design​

Weight: Approximately 1.2kg, compatible with AC 800M series standard chassis installation​

Mounting Method: Plug-in installation (compatible with AC 800M series CI854/CI858 chassis), supporting hot-swapping​

Housing Material: Die-cast aluminum alloy (main body) + flame-retardant engineering plastic (interface panel), anti-EMI​

Protection Rating: IP20 (module itself), relying on the overall protection of the chassis​

Status Indication: 6 LED indicators (Power A/B, Operation, Redundancy, Fault, Communication), providing real-time working status feedback​

Environmental Parameters​

Operating Temperature: -25℃ to +70℃, operation without derating​

Storage Temperature: -40℃ to +85℃, meeting extreme storage and transportation requirements​

Relative Humidity: 5% to 95% (non-condensing), suitable for high-humidity industrial scenarios​

Vibration Resistance: 10-500Hz frequency range, 1.5g acceleration (sine wave), no hardware damage or program interruption​

EMC Compliance: Meets EN 55014-1 (emission limits), EN 55014-2 (immunity), EN 61326-1 (industrial environment)​

Installation Altitude: ≤2000m (derating required when exceeding; power derating 10% for every 1000m increase from 2000m to 5000m)​

Product Performance​

Strong computing capability: Dual-core CPU supports multi-task parallel processing, with complex control logic execution efficiency 30% higher than the previous generation​

High redundancy reliability: Hot-standby redundancy switchover time ≤10ms, no data loss during switchover, system availability up to 99.999%​

Wide compatibility: Seamless integration with 800xA platform, supporting third-party I/O modules (e.g., PROFIBUS DP slaves) and SCADA systems​

Compliance with safety standards: SIL 3 certification meets safety control requirements for high-risk scenarios, fault response time ≤1ms​

Excellent maintenance convenience: Supports online firmware upgrade and I/O module hot-swapping without interrupting system operation​

Strong environmental adaptability: Wide operating temperature range and anti-vibration design, adapting to harsh working conditions such as chemical workshops, mines, and high-altitude power stations​

Sufficient expansion capability: A single module can manage thousands of I/O signals, supporting remote control station expansion via industrial Ethernet​