... time: 0.1~3000.0s Auto Circulating Running and multi-stage speed runningAuto circulating running or terminals control can realize ... , given pulse frequency, given MODBUS, PID adjusting and stage-speed control.Accessorial frequency Sourcegiven digit, given analog voltage, ... given analog current, PID adjusting and stage-speed control.OptionalBuilt-in EMI filter, built-in braking ...