ABB – CM578-CN – CANopen Master Communication Module, AC500 PLC 1SAP170800R0001

The ABB CM‑CN (part number SAPR) is a CANopen master communication module compatible with ABB’s AC and S PLC families. It plugs into the CPU rack (via a -pin spring terminal) and enables robust CANopen networking at speeds from  kbit/s to  Mbit/s. Designed for industrial automation, this compact, IP-rated module supports firmware up to V. and provides reliable, fieldbus-grade connectivity in modular control systems.

• Model / Part No.: CM‑CN – SAPR  

• Protocol: CANopen Master,  kbit/s– Mbit/s

• Mounting: AC CPU slot; ‑pole spring terminal connection  

• Power & Current:  V DC; module bus power < mA, total ~ mA including CPU load

• Firmware: Supports V. (classic product lifecycle)  

• Enclosure & Ratings:

  • IP

  • Dimensions:  ×  ×  mm, ~. kg  

  • Operating: …+ °C horizontal / …+ °C vertical; storage −…+ °C; % RH non‑condensing