ABB PM851AK01 3BSE066485R1 streamlined processor unit kit

Product Overview

The PM851AK01 (3BSE066485R1) is a streamlined processor unit kit for the ABB Ability™ System 800xA. Designed for efficient process control, this module features a compact architecture and is specifically optimized for applications where a single Ethernet control network is sufficient.

Technical Specifications

• Manufacturer: ABB

• Model: PM851AK01

• Part Number: 3BSE066485R1

• Redundancy: No

• High Integrity: No

• Clock Frequency: 24 MHz

• Performance (1000 boolean ops): 0.46 ms

• Total RAM: 12 MB (from 800xA 5.1 FP4)

• RAM (Available for Application): 6.253 MB

• Flash Memory: Yes

• Interfaces: 1x Ethernet (CN1), 2x RJ45 Serial (COM3: RS-232C, COM4: Isolated)

• Dimensions: 119mm (W) x 186mm (H) x 135mm (D)

• Weight (Including Base): 1100 g (2.4 lbs)

Functional Characteristics

• • Hardware Identity: Each base plate includes a unique Ethernet address label, providing every CPU with a distinct hardware identity for network management.

  • Streamlined Mounting: Utilizes a unique "slide & lock" mechanism for simple, tool-free DIN rail attachment and detachment.

  • Diagnostic Features: The CPU board includes a real-time clock, status LED indicators, an INIT push button, and a CompactFlash interface for memory storage.

  • Optimized Design: This model is restricted to a single Ethernet (CN1) port, ensuring a reliable, non-redundant connection for control networks where simplified architecture is preferred.