Description

ABB PM820‑1‑AC800M CPU Unit

Product Overview

PM820‑1 acts as the central processing unit for ABB AC800M DCS / PLC control rack. It executes control logic programs, handles I/O data exchange and communicates with supervisory HMI and field devices. This controller delivers reliable real‑time computation for critical process loops, supporting redundant configuration options to mitigate single‑point‑failure risks within continuous‑process industrial sites.

Technical Specifications

• Brand: ABB
• Model: PM820‑1
• Warranty: One Year
• Condition: 100% New & Original
• Communication: Control network, backplane bus for S800 I/O
• Operating Temp: 0 ℃ ~ +60 ℃
• Function: Main CPU for AC800M controller rack

Application Scenarios

• Chemical Plant: Central process control for continuous reaction and distillation units.
• Pulp & Paper Mill: Machine‑wide automation for paper‑making production lines.
• Power Auxiliary System: Real‑time control for power‑plant auxiliary process loops.
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