mark320, mark220 DDC controllers, display

DDC controllers, display

Supply 10..35 V DC / 24 V AC, DIN rail mounting, dimensions 90 x 58 x 105 mm

Ethernet, RS485, LCD display, programming in Merbon IDE.


DDC (Direct digital control) controllers mark320 and mark220 are free programmable process stations with MPC5200 processor and OS Linux. They are suitable for control of large installation (approximately 400 – 500 physical data points). Mark 320 contains 1x Ethernet port, 2x RS485 interface, and 2x RS232 interface for connecting I/O modules. Mark220 contains only 1x Ethernet port and 1x RS485 interface.

  • Free programmable control units for HVAC systems and other applications with local HMI and web access
  • Data acquisition, processing, and presentation systems with advanced networking features
  • Controls of power systems, photovoltaic power plants etc.
  • Protocol converters with web data presentation (must be programmed by user)

Use markPLCkit to install the controller into a front panel