Overview
The ABB PM866-2 3BSE050201R1 is a redundant processor unit designed for the AC 800M control system. It supports dual-CPU redundancy, high-performance processing, and reliable operation in demanding industrial automation environments.
General Information
Part Number: 3BSE050201R1
Manufacturer: ABB
Brand / Country of Origin: ABB / Sweden
Type: Redundant Processor Unit
Series: AC 800M Controllers
Mounting: DIN-rail or rack installation
Redundancy: Dual CPU and full system bus redundancy
Power Specifications
Supply Voltage: 24 V DC (19.2-30 V DC)
Typical Current: ≈ 210 mA
Maximum Current: ≈ 360 mA
Power Dissipation: Typical 5.1 W, max 8.6 W
Communication & Interface
Ethernet Ports: 2 × RJ-45 (10 Mb/s)
Serial Ports: 2 × RJ-45 (COM3 non-isolated; COM4 isolated)
I/O Capacity: Up to 96 modules (single-CPU), 84 modules (redundant CPU)
Switch-over Time in Redundant Configuration: Max 10 ms
Environmental
Operating Temperature: 0 °C to +55 °C
Storage Temperature: –40 °C to +70 °C
Humidity: 5% to 95% RH, non-condensing
Protection Rating: IP20
Certifications: SIL-2 / SIL-3 ready, CE, Marine approvals
Dimensions & Weight
Dimensions (W × H × D): 119 × 186 × 135 mm
Weight: ~2.7 kg
