IHM has deveoped a series of I/O steerings and control products for command and control centres enabling monotoring of technical installations, steering of porte, lights and ventilation etc.

• HM740/1 is an I/O unit holding 8 inputs and 8 outputs.
• HM740/2 is an input unit holding 16 inputs.
• HM740/3 is an input unit holding 32 inputs.

Three different types are developed, all designed for DIN Rail installation.

A terminal block system with connectors makes installation and service easy, as terminal blocks on either side of the HM740 can be plugged and unplugged without using tools.