CM578 | ABB CANopen Communication Module

Description

The CM578 is a CANopen communication module from ABB designed to facilitate fieldbus communication in industrial automation systems. It operates within the AC500 series and provides reliable connectivity with adaptable configurations.

Technical Specifications

• Fieldbus: CANopen

• Transmission Rate: 10 kBit/s to 1 MBit/s

• Processor: EC1, 160 pins

• Usable CPUs: PM57x, PM58x, PM59x

• Usable Terminal Bases: All TB5xx

Memory and Communication

• Fieldbus Connector: Pluggable connector (COMBICON, 5-pin)

• Communication Module Interface: Dual-port memory, 8 kByte

• Internal RAM Memory (EC1): 256 kByte

• External Flash Memory: 512 kByte (for firmware)

• External RAM Memory: Not applicable

Power and Consumption

• Internal Power Supply: Via the communication module interface of the terminal base

• Current Consumption:

  • From 24 VDC power supply: Typical 50 mA

  • Over communication module bus: Typical 290 mA

Physical Details

• Weight: Approx. 150 g