USBthree21
- Apr 5, 2022
- 3
- Joined
- Apr 5, 2022
- Messages
- 3
Hi everyone, I am planning a circuit that is normally 32v DC but would switch to a 12v battery (equipment works fine on both, and is made to recognize and run at slower speed when on a 12v power source (to save battery).
The power source are 2 mean well PSU (MDR-40-5 and NDR-120-24) in series and voltage adjusted to achieve 32v DC total between the two. To achieve the switch I would use a relay (Omron LY2N-D2 DC24) which is a 2 form C (DPDT) relay, with a 24 vdc coil (powered by the 24v PSU), when power goes down, it would swap to the 12v battery.
Normally I always connect the power source to the 5 or 6 pole (wiring picture of the actual relay attached) and then the actuator side would be on poles 1,2,3 or 4. Would it be a problem to connect the PSU on poles 1 and 2, and the battery on 3 and 4, while having the pump (in this case) on the 5 and 6 poles? This way I should be able to switch both polarity cables from one source to another, but I am worried somehow the voltage differential of those very close contacts be an issue. What do you guys think?
The power source are 2 mean well PSU (MDR-40-5 and NDR-120-24) in series and voltage adjusted to achieve 32v DC total between the two. To achieve the switch I would use a relay (Omron LY2N-D2 DC24) which is a 2 form C (DPDT) relay, with a 24 vdc coil (powered by the 24v PSU), when power goes down, it would swap to the 12v battery.
Normally I always connect the power source to the 5 or 6 pole (wiring picture of the actual relay attached) and then the actuator side would be on poles 1,2,3 or 4. Would it be a problem to connect the PSU on poles 1 and 2, and the battery on 3 and 4, while having the pump (in this case) on the 5 and 6 poles? This way I should be able to switch both polarity cables from one source to another, but I am worried somehow the voltage differential of those very close contacts be an issue. What do you guys think?