6XD I/O >> Issue solved

tecno

How do I connect outputs from 6XD to this output driver card?

From the old controller on this P'n'P machine outputs are on 8-pin ribboncable where one is 24V

24V via 3.9K resistor to A
I/O signals to C

So how to connect to 6XD outputs.

Cheers
Bengt

dc42

@tecno please clarify what you are asking. Is the PnP output a standard 24V-capabhle NPN or PNP output, or something different? Does the opto isolator you pictured represent one that is in the PnP machine, or one you intend to add, or one already on the 6HC? Why does it have two pins labelled C?

tecno

@dc42
C = pin 2

The optocouplers are on the existing PCB on this PnP machine. All I/O are 24 V

So I assume I can use io1.out and use io1.in for home etc

tecno

Anybody care to advise?

droftarts

@tecno I need a bit of context. What does this PCB actually do? Does it turn something(s) on and off? Please post an image of the other side of the board, too.

I'd guess it is an output board, as the optocouplers look like they switch MOSFETs, and control whatever is connected on the green headers on the right. There are 8 pins on the white connector, presumably +V on one pin, and 7 pins to switch each of the 7 optocouplers to GND. There are 9 output terminals; presumably +V and GND, plus the 7 outputs from the MOSFETs?

Ian

tecno

@droftarts
Hi Ian,
You have observed the board correctly. This bord gets outputsignals from controller via the ribboncable.
Controlls nozzle vacuum, pin feeder solenoid Air controll, Xross cursor, LED light and vacuum power.

Cheers
Bengt

tecno

droftarts

@tecno If you can look up the product number of the optocouplers (I can't see the part number on them from you pictures), it may be they don't need 24V to turn them on and off. However, if it's wired like this:

There are 8 pins on the white connector, presumably +V on one pin, and 7 pins to switch each of the 7 optocouplers to GND.

and

C = pin 2

i.e. the R22 optocoupler C pin goes to the second pin down on the connector, the first being +V and shared to the A pin on all Optocouplers (please check if there's continuity between pin 1 and the A pin on each optocoupler with a multimeter), then you need to switch the C pin on each optocoupler to GND, which isn't what the io.out pins do (they output a 3.3V signal). I think you'll need to use the OUT pins for that, which do switch to GND. They should also all be able to cope with 24V.

Ian