Any danger not using PwrCtrl

5 years 3 months ago #29531182 by ied168
Running a SDC2130 with a "mushroom" emergency switch to VMot. From what I see in manual v1.3, figure 2 (powering diagram), and forum posting #29530274, PwrCtrl is optional and ONLY needed if we want the SDC2130 controller alive even if SW2 (emergency switch wired to VMot) is open. So if I don't care that the controller stays ON or OFF, I could leave PwrCtrl open/floating and use SW2/VMot EXCLUSIVELY as the On/Off for my controller?

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5 years 3 months ago #29531183 by TechSupport
Yes.

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5 years 2 months ago #29531198 by ied168
Replied by ied168 on topic Any danger not using PwrCtrl
Quick follow up. In your manual, p22, states that "even though Power Control may be left floating, whenever possible pull it to a 12V or higher voltage". So in the spirit of your instructions here, with my setup where I will not be wiring up PwrCtrl at all and using VMot exclusively to cycle power On/Off to SDC2130, then should I just jumper PwrCtrl to VMot like in the attached drawing?

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5 years 2 months ago #29531200 by TechSupport
You can if you want, however it is not required. The 2 lines in themselves lead into the same circuitry that powers on the controller, however, they do not by any means internally connect to each other.

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