ABB PM861 (3BSE018129R1) processor unit

Description

The ABB PM861 (3BSE018129R1) is a core processor unit for industrial automation systems, part of a product line offering tiered performance to match varying application scales and complexity. Available in variants like PM861AK01 (3BSE018157R1) and PM861K01 (3BSE018105R1), it features configurable core hardware: versions use either PowerPC 604e or ARM Cortex-A9 processors, with clock speeds of 400 MHz or 800 MHz. Standard memory includes 256 MB RAM and 1 GB Flash storage, with some variants offering flexible memory configurations. It supports multiple communication protocols including Ethernet, Modbus, Profibus-DP, and CANopen for seamless integration with field devices and systems. Physical specifications include dimensions of 119 mm length, 135 mm width, 189 mm height, and a weight of approximately 1.15 kg. Operating parameters cover an input voltage range of 12-48 VDC, output of 5 VDC at up to 10 A, power efficiency over 90%, and an operating temperature range of -40 degrees Celsius to 70 degrees Celsius. As a system core, it handles field data processing, logic calculations, user control program execution, and human-machine interface interaction, suited for applications including process control, machine control, and packaging line automation.