PROEL KDC1905 - Page 63

For door controller without
galvanic isolation
Second button control of the device
Diagram version: Each device powered by its own transformer
Example of using OC1 connector
The OC1 connector controls the gate controller input pin to ground. Before connecting, check the way the controller is triggered.
The OC output should be protected with a zener diode, polarized as in the diagram, with a rated voltage of max. 30V.