ABB PM861A 3BSE018158R1 Processor Unit 12-Month Warranty

Overview
The ABB PM861A (3BSE018158R1) is a processor unit designed for the ABB AC 800M control system. It functions as the central processing module, executing control logic, managing I/O communications, and providing reliable real-time automation for industrial process applications.

General Information

• Part Number: PM861A / 3BSE018158R1

• Product Name / Model: Processor Unit

• Manufacturer: ABB

• Country of Origin: Sweden

• Series / Module Type: AC 800M Controllers / Central Processing Unit

• Type: Processor Unit (includes CPU board, baseplate, and integrated battery)

• Mounting: DIN-rail or chassis installation within AC 800M system

• Application Area: Distributed control systems, process automation, and energy management

Power Specifications

• Supply Voltage: 24 V DC nominal

• Power Consumption: Approx. 12 W

• Memory Capacity: 32 MB RAM and 16 MB Flash memory

• Battery Backup: Integrated lithium battery for memory retention and real-time clock

• Communication Interfaces: Dual Ethernet ports, serial interfaces, and system bus connections

• Protection: Overvoltage, surge, and reverse-polarity protection

Environmental

• Operating Temperature: 0°C to +60°C

• Storage Temperature: -40°C to +70°C

• Humidity: Up to 95% RH, non-condensing

• Protection Rating: IP20

Dimensions & Weight

• Dimensions (L × W × H): 186  × 135  × 119 mm

• Weight: Approximately 1.2 kg

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