Manual Click here to openProduct parameters 1 Working voltage DC 12V 12V version or 24V 24V version DC power supply power â?¥ motor load x3 2 Applicable motor brushed DC motor3 Maximum load current 15A Relay maximum load 30A 4 Signal input active low NPN 5 Working modes 9 optional modes including momentary self locking etc 6 Working current excluding motor Quiescent Current 5MA Forward or Reverse working current 70MA7 Size 89 62 22mm8 Weight 86 gramsPin Description VCC Power Supply GND Power Supply M Motor M Motor GND Trigger Signal K1 Forward input controlK2 Reverse input controlS1 Forward limit signalS2 Reverse limit signalProduct Included 1 x 30A Relay DC 12V 24V motor forward and reverse controllerWiring Diagram 1 Two position switch reciprocating moving backward and forward in a straight line Wiring Diagram 2 Positive and negative start independently each time running a single passWiring Diagram 3 Every time you start run a forward and reverse rotationThis module has 4 signal input terminals namely K1 K2 S1 S2 K1 is the forward rotation signal input terminal K2 is the reverse rotation signal input terminal and S2 is the forward rotation limit signal Input terminal S2 is the reverse limit signal input terminal The signal input source can be selected from micro switch induction infrared metal remote control and other modules and can also be controlled by a single chip microcomput