Processor Unit | PM866A | ABB

Description

The ABB PM866A Processor Unit is designed for high-performance control in industrial automation systems, providing efficient management of applications, programs, and tasks with rapid processing times.

Processor Specifications

• Processor Type: MPC866

• Number of Applications per Controller: 32

• Number of Programs per Application: 64

• Number of Diagrams per Application: 128

• Number of Tasks per Controller: 32

• Number of Different Cycle Times: 32

• Cycle Time per Application Program: Down to 1 ms

Performance & Power

• Switch Over Time in Redundant Configuration: Max 10 ms

• Flash PROM for Firmware Storage: 4 MB

• Power Supply: 24 V DC (19.2 - 30 V DC)

• Power Consumption +24 V (typ/max): 210 / 360 mA

• Power Dissipation: 5.1 W (8.6 W max)

• Redundant Power Supply Status Input: Yes

• Built-in Back-up Battery: Lithium, 3.6 V

Communication & I/O Capacity

• Clock Synchronization: 1 ms between AC 800M controllers via CNCP protocol

• Event Queue in Controller per OPC Client: Up to 3000 events

• AC 800M Transmission Speed to OPC Server: 36-86 events/sec, 113-143 data messages/sec

• Communication Modules on CEX Bus: 12

• Supply Current on CEX Bus: Max 2.4 A

• I/O Clusters on Modulebus with Non-Redundant CPU: 1 electrical + 7 optical

• I/O Clusters on Modulebus with Redundant CPU: 0 electrical + 7 optical

• I/O Capacity on Modulebus: Max 96 (single PM866) or 84 (redundant PM866) I/O modules

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

• Supply Current on Electrical Modulebus: 24 V: max 1.0 A, 5 V: max 1.5 A

• Ethernet Channels: 2