- #1
Shady Artin
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The situation:
I have one BMS (Building Management System) controller supplied from TR1 (220Vac to 24Vac transformer) and provides an analog control signal (0-10VDC) with the (-) of that DC being the same as the Neutral of the controller (from TR1) and should control a valve actuator.
The controlled valve actuator uses 24Vac supplied control circuit...supplied from TR2 (same as TR1 and primary winding are supplied from the same source "220Vac outlet").
The actuator control circuit has terminals:
1- G "24Vac"
2- G0 "Neutral and DC reference point"
3- X "control signal...DC 0-10V"
Now, the problem I'm afraid to face:
The actuator should have the control signal (0-10VDC) with a reference (-) that should be at the same time the 24Vac source neutral...Should I SHORT CIRCUIT TR1 and TR2 secondary winding neutrals or do what??
Note: Unfortunately, I cannot use one transformer for both the controller and actuator.
Thanks
I have one BMS (Building Management System) controller supplied from TR1 (220Vac to 24Vac transformer) and provides an analog control signal (0-10VDC) with the (-) of that DC being the same as the Neutral of the controller (from TR1) and should control a valve actuator.
The controlled valve actuator uses 24Vac supplied control circuit...supplied from TR2 (same as TR1 and primary winding are supplied from the same source "220Vac outlet").
The actuator control circuit has terminals:
1- G "24Vac"
2- G0 "Neutral and DC reference point"
3- X "control signal...DC 0-10V"
Now, the problem I'm afraid to face:
The actuator should have the control signal (0-10VDC) with a reference (-) that should be at the same time the 24Vac source neutral...Should I SHORT CIRCUIT TR1 and TR2 secondary winding neutrals or do what??
Note: Unfortunately, I cannot use one transformer for both the controller and actuator.
Thanks