The DM1 (basic version) is suitable for simple applications in which no additional controls are required. The DM1 features at a glance: no keypad, no STO, Modbus-RTU on board, V/f control, Bluetooth, no option cards. The DM1 Pro is equipped with a keypad, a 7-segment display and a setpoint potentiometer, as well as offering more comprehensive functions. The DM1 Pro features at a glance: Keypad with 7-segment display and setpoint potentiometer, STO on board, Modbus RTU, Modbus TCP, Ethernet IP, BACnet MSTP and BACnet IP on board, V/f control, vector control, PM motor control, Bluetooth, web server on board, slot for one option card.