Hi, I am a beginner and I wanna control my open/close dc24v motors of greenhouses.
I found the diagram for dc wiring diagram
here, blue line comes from R1, R2...right?
so..which means...Should I turn on button both R1 and R2 on ewelink in order to swich on the 1 motor?? please reply me. Thanks and happy new year
In iddle state both contacts of first motor will be connected to (-). If you press R1 then this wire will be connected to (+) and the motor will turn to one side. If you press R2 then this wire also will be connected to (+) and the motor will stop. In this state if you press R1 this wire will be connected to (-) and the motor will turn to other side. And so on.
I have never really understood their goofy diagrams either. Looks to me like you can control 4 devices with the 4 relays by simply switching the positive leads and tying all the negatives together.
24VDC (+) connected to common terminal of all relays.
(+) wire to each motor connected to N.O. terminal of each individual relay.
24VDC (-) connected to (-) terminal of all motors.
S6 = 1
K5 = 1111
K6 = doesn't matter
Am I wrong? I don't own a 4ch Pro but it looks to me like the schema above would allow you to switch 4 lights, motors, whatever, independently.
Simple control 24 VDC devices.
@EW. They are two different things. One thing is to turn on lamps and other one is a DC motor that can turn to one side or the other one. Obviously you can connect 4 DC motors but they only will turn to one side only. In order for the motor can turn to both ways, it has to be connected as in the diagram that @Jaemin Roh posted. Regards.
@EW. One thing is to turn on lamps and other one is DC motor which can turn to one side or the other one. Obviously you can connect 4 DC motors but ther will turn to one side only. In order for the motor can turn to both ways, you must connect the motors as in diagram that @Jaemin Roh posted. Regards.
I can see that on reversing the DC motors. Sonoff's AC motor wiring also shows using two relays per motor and they don't reverse so I still think it a bit goofy. Maybe they think it allows more current.
Anyway, if the person who asked this question doesn't need to reverse his DC motors, he can run 4 of them that pull less than 10A each.