- WAY-AX-S: Basic unit with 2 analog inputs (16 Bit), 3 control inputs
- WAY-AX-CO: display with 4 control outputs, RS232 interface
- WAY-AX-AO: display with serial RS232 interface, 16 bit analog output, 4 control outputs
- WAY-AX-RL: 2 relay outputs
- Option AC for 115...230 VAC supply