dkace
Full Member level 6
Hi again,
I have a pic that controls 4 relays and communicates via RS485 interface with a main control. The 485 int is optocoupled with the pic in order to be isolated. If I use the same P.S then I can't avoid interfierence. SShall I use a dual power supply? Shall I just change common?
Thanks,
D.
I have a pic that controls 4 relays and communicates via RS485 interface with a main control. The 485 int is optocoupled with the pic in order to be isolated. If I use the same P.S then I can't avoid interfierence. SShall I use a dual power supply? Shall I just change common?
Thanks,
D.