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> Relay board for router or mill cnc stepper system
Relay board for router or mill cnc stepper system
Using the parallel port control relay
Support MACH2, MACH3 and all other parallel port control software.
1, VCC, GND : 9V, 500MA DC power supply (7V-12V, 200MA-600MA available)
2, REL1, REL2 : connected to the parallel port output pin. COM : connect to the parallel port ground pin.
3, OUT1, OUT2: connected to the user control circuit (such as motors, etc.)
Pin 1-2 : REL1 controlling OUT1, OUT2, 2 relay.
Pin 2-3 : REL1 control OUT1, REL2 control OU2
