To explain further the function of this PCB interface
The EVG card has two purposes.
The first purpose is to act as a 0 Volt switching circuit, this means when the 0-10V DC signal input reaches 0VDC the 110V relays are switched off meaning your drivers and lamp becomes 110V isolated for true off and safety.
The other purpose is to act as an interface between the GHL ProfiLux controller and your drivers 0-10V control circuit.
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