Hi
Has anyone connected a GPIO port to the Airtools 6100 Delay unit?
I can get control with Element but no LEDs. 6100 puts out +5V with all gnds joined.
Can anyone make a suggestion of wiring process of LED's?
Thanks
Stephen
GPIO connection to AirTools 6100 for Element control?
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- Stephen Wilkinson
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Yes.
We interfaced our 6100 unit and we ran into exactly the same problem.
The simple fix is to get yourself 4 opto isolator units. You can get them from Mouser, Newark, etc. They are pretty cheap. We used the Optek 1264A. They cost about $3 each at Mouser.
The opto isolators are an LED on one side and a transistor on the other. Hook up the LED side to the Airtools as if you were - well - hooking up any sort of LED.
When the 6100 indicators turn on, the transistor side of the optoisolator will look like a contact closure. Connect that to the Axia GPIO. Follow the Axia wiring diagrams for where you need to connect power and ground to make a 'dry' contact closure work.
Umm - we found one additional minor issue. The GPIO pinout listed in the Element manual isn't quite right. The "START" and "DELAY" indicators are actually driven by the same pin. There is no separate input to just light up the "DELAY" indicator on the Element display.
Cheers,
-Andrew
We interfaced our 6100 unit and we ran into exactly the same problem.
The simple fix is to get yourself 4 opto isolator units. You can get them from Mouser, Newark, etc. They are pretty cheap. We used the Optek 1264A. They cost about $3 each at Mouser.
The opto isolators are an LED on one side and a transistor on the other. Hook up the LED side to the Airtools as if you were - well - hooking up any sort of LED.
When the 6100 indicators turn on, the transistor side of the optoisolator will look like a contact closure. Connect that to the Axia GPIO. Follow the Axia wiring diagrams for where you need to connect power and ground to make a 'dry' contact closure work.
Umm - we found one additional minor issue. The GPIO pinout listed in the Element manual isn't quite right. The "START" and "DELAY" indicators are actually driven by the same pin. There is no separate input to just light up the "DELAY" indicator on the Element display.
Cheers,
-Andrew
- Stephen Wilkinson
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- Fearless Leader
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Delay Controls, Bug!
R&D confirms that there is a bug in the GPIO table for the Delay Control buttons as you describe. It is fixed in Element v2.x software which is currently in the final testing stage prior to release. Sorry about that!
Michael Dosch
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- Stephen Wilkinson
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