ABB PM861 3BSE018129R1 Power Supply Unit

Description

The PM861 is part of ABB's 800xA system, offering high reliability and performance for control and communication applications. It is equipped with advanced features to support complex industrial processes.

Specifications

• Processor Type: MPC860

• Clock Frequency: 48 MHz

• Memory:

  • RAM: 16 MB (7.155 MB available for applications)

  • Flash Memory: 2 MB for firmware storage

• Power Supply:

  • Voltage: 24 V DC (19.2 - 30 V DC)

  • Typical Power Consumption: 250 mA

  • Maximum Power Consumption: 430 mA

  • Power Dissipation: 6.0 W (maximum: 10.3 W)

• Communication Interfaces:

  • Ethernet Interface: 10 Mbit/s, RJ-45

  • RS-232C Interfaces: 2 (one for general use, one for service tool)

  • Control Network Protocols: MMS, IAC

• I/O Capacity:

  • Single PM861: Supports up to 96 I/O modules

  • Redundant PM861: Supports up to 84 I/O modules

• Modulebus Scan Rate: 0 - 100 ms (depending on the number of I/O modules)

Features

• Redundant Power Supply: Ensures reliability in critical applications.

• Built-in Back-up Battery: Lithium, 3.6 V for real-time clock stability.

• Event Handling:

  • Event Queue per OPC Client: Up to 3000 events

  • Transmission Speed to OPC Server: 36-86 events/sec

• Compact Design: Suitable for space-constrained installations.

• High Performance: Executes 1000 boolean operations in 0.23 ms.