• CM PtP communication module;
  module for serial communication connections with RS232 and RS422 interfaces. RS485 for the Freeport, 3964(R), Modbus RTU, and USS protocols, max. 115.2 kbit/s, 2 KB frame length, 4 KB receive buffer.
• Protocols supported
  • Freeport: User-parameterizable frame format for universal communication
  • 3964(R) for improved transmission reliability
  • Modbus RTU master (requires instructions in SIMATIC S7)
  • Modbus RTU slave (requires instructions in SIMATIC S7)
  • USS, implemented through instructions
• Interface properties
  • RS232 with auxiliary signals
  • RS422 for full-duplex connections
  • RS485 for half-duplex and multi-point connections
  • Transmission rates from 300 to 115200 bit/s
• Can be plugged into Type A0 BaseUnits (BU) with automatic coding
• LED display for errors, operation, and supply voltage
• Communication display for sending and receiving
• Clear labeling on front of module
  • Plain text identification of the module type and function class
  • 2D matrix code (order and serial number)
  • Connection diagram
  • Color coding of the CM module type: Silver
  • Hardware and firmware version
  • Complete Article No.
• Optional labeling accessories
  • Labeling strips
  • Reference identification label
• Optional system-integrated shield connection

Note

SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme specific information was added.