ABB – CM578‑CN B4 – CANopen Master Communication Module, AC500 PLC 1SAP170800R0001

The ABB CM578‑CN (part number 1SAP170800R0001) is a CANopen master communication module compatible with ABB’s AC500 and S500 PLC families. It plugs into the CPU rack (via a 5-pin spring terminal) and enables robust CANopen networking at speeds from 10 kbit/s to 1 Mbit/s. Designed for industrial automation, this compact, IP20-rated module supports firmware up to V01.101 and provides reliable, fieldbus-grade connectivity in modular control systems.

Key Features

• Model / Part No.: CM578‑CN – 1SAP170800R0001  

• Protocol: CANopen Master, 10 kbit/s–1 Mbit/s

• Mounting: AC500 CPU slot; 5‑pole spring terminal connection  

• Power & Current: 24 V DC; module bus power <25 mA, total ~290 mA including CPU load

• Firmware: Supports V01.101 (classic product lifecycle)  

• Enclosure & Ratings:

  • IP20

  • Dimensions: 62 × 28 × 135 mm, ~0.12 kg  

  • Operating: 0…+60 °C horizontal / 0…+40 °C vertical; storage −40…+70 °C; 95% RH non‑condensing