Controllers - Freelance ControllersPM 904F

This CPU module is the high-end base unit of the Freelance AC 900F controller family. It typically supports up to 1500 I/Os. 4 Ethernet interfaces, 800 MHz CPU clock, 48 MB Controller Memory: 16 MB battery buffered SRAM, 32 MB DRAM. 4 slots for assembling Communication Interface Module.

The operating system can be loaded during software installation. Needs an external 24 V DC power supply. Software version 2019 or higher is mandatory. Display Unit TD 951F and Battery TA 951F are not included.

Features and benefits

  • More connectivity with serial ports and Ethernet ports
  • Built-in SD card support
  • New Ethernet-based protocols – Modbus TCP and IEC 60870-5-104
  • G3 compliant as standard
  • Built-in power supply
  • Optional LCD providing enhanced security through controller lock
  • Optional redundancy