The M-Count 2C from Cynox is a two-input S0 pulse converter (typically the output of electric meters and galvanic isolators) to MBus. Commissioning Remove the insulating foil on the battery Set the power jumper to EXT - connecting the pins in the middle and closer to the battery Connect the module according to the following diagram a. MBus bus to the terminals marked M-BUS b. 24V power supply to terminals V+I (+) and GND (-)