Advantech ADAM-4068-BEProduct Attribute Attribute Value Number of I O Ports 8 Number of Outputs 8 Output Series ADAM 4000 Series Supply Voltage 24 VDC Overview The ADAM 4068 relay module is controlled remotely and store configuration data in EEPROM. The ADAM 4068 provides 4 8 channels, half being Form A and the rest being Form C. These modules are excellent for on off control or low power switching applications.