The controller ECS10-PWM is designed to change EC (electronically commutated) motor rotating speed or to control other devices by changing control signals 0..10 VDC, 2..20 mA or PWM 10..100 %. The selection of signal type can be done with the switch inside the controller. The ECS10-PWM has enclosure for the surface installation. The power supply 230 VAC must be supply to the controller ECS10-PWM. For enabling the controlled device the ECS10-PWM has the relay output. Minimum and maximum level of potentiometer output signal can be adjusted with inside installed trimmers.