ABB AC 800M PM891K02 3BSE053242R1 Redundant Processor Unit

The PM891K02, identified by article number 3BSE053242R1, is a high-performance processor unit within ABB's AC 800M controller family, designed for complex industrial automation systems requiring redundancy and reliability.

Key Specifications:

• Processor: MPC8270 with a clock frequency of 450 MHz.
• Memory: Total RAM of 256 MB, with approximately 209 MB available for applications; includes flash memory for storage.
• Performance: Executes 1,000 boolean operations in 0.043 ms.
• Redundancy Support: Yes, with a switch-over time in redundant configuration of up to 10 ms.
• Power Supply: Operates on 24 V DC (range: 19.2–30 V DC) with typical power consumption of 660 mA and maximum of 750 mA; power dissipation is 15.8 W (maximum 18 W).
• Communication Interfaces:
  • Ethernet: Two ports supporting 10/100 Mbit/s.
  • RS-232C: One isolated port (COM4) for service tools; operates at 9600 baud with RJ-45 female connector.
• I/O Capacity:
  • CEX Bus: Supports up to 12 communication modules with a maximum supply current of 2.4 A.
  • Modulebus: Accommodates up to 84 modules across 7 optical clusters; scan rate ranges from 0 to 100 ms, depending on the number of I/O modules.
• Environmental Conditions:
  • Operating Temperature: +5 to +55 °C (+41 to +131 °F).
  • Storage Temperature: -40 to +70 °C (-40 to +158 °F).
  • Humidity: 5% to 95%, non-condensing.
  • Vibration Resistance:
    • 10–50 Hz: 0.0375 mm amplitude.
    • 50–150 Hz: 0.5 g acceleration.
    • 5–500 Hz: 0.2 g acceleration.
  • Altitude: Operational up to 2000 m (6562 ft).
• Certifications and Compliance:
  • CE Marked: Yes.
  • Electrical Safety Standards: Compliant with EN 50178, IEC 61131-2, UL 61010-1, and UL 61010-2-201.
  • Hazardous Location Approvals: Certified under UL 60079-15, cULus Class 1, Zone 2, AEx nA IIC T4, Ex nA IIC T4 Gc X.
  • Marine Certifications: Approved by ABS, BV, DNV-GL, and LR.
  • Environmental Compliance: Meets RoHS Directive EN 50581:2012 and WEEE Directive 2012/19/EU.
• Physical Dimensions:
  • Width: 174 mm (6.85 in.).
  • Height: 186 mm (7.32 in.).
  • Depth: 94 mm (3.70 in.).
• Weight:
• • K01: 1600 g (3.5 lbs)
  • K02: 4000 g (8.8 lbs)