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| ON-OFF control by the very name suggests that the system have Input and Output elements. The inputs can be from a digital data or analog data. The electronics in-between the input and output performs the comparisons and sends a control signals to output elements. The output element namely either a heater, solenoid, digital data or analog signal are set to, either ON or OFF status depending on the input conditions. This is what the digital control is all about. The following trainers can act as ON-OFF controller. |
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