métal detector DDMC of raoul lenoir

[volcano]

Hello
please, I need the schematic PCB of this metal detector : (DDMC of raoul lenoir).

[kt315]

what is DDMC? why you do not want give us full details of your request?

[volcano]

what is DDMC? why you do not want give us full details of your request?

you are right. I did not provide all the information.
I want to make a metal detector to protect the quarry crusher.
it has a relay to return the 24 VDC to PLC and button of reset.