ABB PM565A AC 800M Processor Unit

The ABB PM565A, also cataloged as the PM565A Processor Unit, operates as a dedicated hardware component for deterministic application code execution and Control Network routing within AC 800M controller platforms.

Hardware Specifications

Backplane Bus Communication Velocity & Network Interfaces

The module relies on deterministic backplane bus communication velocity and firmware flash compatibility to execute real-time control loops across distributed I/O nodes. Dual RJ45 Control Network interfaces (CN1, CN2) support redundant Ethernet topology, while isolated serial channels prevent ground loop distortion during configuration tool communication and diagnostic logging.

Frequently Asked Questions

Q: What memory capacity is built into the ABB PM565A processor unit?

A: The PM565A features 10 MB RAM, with 10.337 MB designated available for application runtime execution.

Q: Which communication ports are available on the PM565A module for system connectivity?

A: The processor provides two RJ45 Ethernet ports (CN1, CN2) for Control Network connection, an RS-232C serial port (COM3) with modem control signals, an isolated serial port (COM4) for configuration tools, and a CompactFlash card slot.

Field Installation Guidelines

Mount the processor module securely onto the standard DIN rail within an IP20-rated enclosure, ensuring adequate thermal dissipation gaps surrounding the unit. Use shielded twisted-pair cabling for all RJ45 Ethernet and RS-232C serial connections, routing signal wires away from high-voltage AC power lines to avoid inductive noise coupling. Ensure the enclosure earth ground connection is maintained at low impedance before applying power or pressing the INIT push button.