ABB PM866K01

ABB PM866K01

Product Brief:​ The PM866 is the higher-memory sibling of PM865​ in the AC 800M family — everything is the same except it offers 128 MB application RAM (vs 64 MB on PM865) and 256 MB Flash, allowing larger control applications, more retentive data, bigger historical buffers, and more complex batch recipes. It is pin-compatible with PM865 and fits the same BC810/BC820 baseplates. PM866 is recommended for large System 800xA nodes with >50k function blocks or extensive S88 batch phases.

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Category: SKU: ABB PM866K01

Description

ABB PM866K01

  • Technical Specifications (differences from PM865):
    • Application RAM: 128 MB
    • Flash: 256 MB
    • All other electrical / mechanical / communication specs identical to PM865
    • Firmware: Same family — PM866 requires Control Builder M version that supports it (typically FW 5.1+ or 6.x depending on memory option)
  • Functional Features / Application / Material / Structure / Working Principle / Installation / Precautions:​ Same as PM865 — choose PM866 over PM865 when:
    • Application size >60–70 % of PM865 memory warning threshold
    • Extensive batch recipe data / large retentive arrays
    • Future expansion anticipated — PM866 buys headroom
    • Compatibility:​ PM866 CANNOT be mixed in a redundant pair with PM865 — both CPUs in a redundant pair must be identical model & firmware.

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