Presentation: Smart relays for simple control systems from 10 to 40 I/O.Compact range: 3 monobloc models with 10, 12 or 20 I/O and versions available with or without display and buttons. Modular range: 2 bases with 10 or 26 I/O that can be extended using: •Modbus or Ethernet communication extension modules •6, 10 or 14 discrete I/O and 4 analogue I/O extension modules.