Using Pro Tools GPI

nickmurphysays · 30th March 2010

Hi all,

Has anybody had any experience using the GPI outputs on a Sync I/O?

We're looking to get it to control a red light outside the studio. Anybody managed to get it to work?

Thanks,

Nick

nucelar · 30th March 2010

yes, works as advertised.
Are you planning to use a mains voltage red light? I would go with a LED Array. If you need mains switching, you should use an external, correctly rated relay to switch on/off the light. The ones on the SYNC I/O rate at 500mA, 200VDC and I wouldn't risk them.
I think there is a fancy commercial red light that connects to that port or via MIDI.
Found it:
Punchlight Automatic Cue Light and Timecode Display Systems
BTW, it's a shame that the GPI INPUTS cannot be assigned to specific functions, that would be cool.

nickmurphysays · 1st April 2010

Thanks for the response.
I've had a look at the Punchlight systems and they look very good. I was just looking into the possibility of doing the same without buying one of their boxes. Think it would be easier to just buy it but I'll have a look at trying to get it to work.

Thanks again!

Nick

30th March 2010	#1
nickmurphysays Gear interested Joined: Jan 2010 Posts: 9 Thread Starter	Using Pro Tools GPI Hi all, Has anybody had any experience using the GPI outputs on a Sync I/O? We're looking to get it to control a red light outside the studio. Anybody managed to get it to work? Thanks, Nick

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30th March 2010	#2
nucelar Lives for gear Joined: Jan 2007 Location: Barcelona Posts: 586	yes, works as advertised. Are you planning to use a mains voltage red light? I would go with a LED Array. If you need mains switching, you should use an external, correctly rated relay to switch on/off the light. The ones on the SYNC I/O rate at 500mA, 200VDC and I wouldn't risk them. I think there is a fancy commercial red light that connects to that port or via MIDI. Found it: Punchlight Automatic Cue Light and Timecode Display Systems BTW, it's a shame that the GPI INPUTS cannot be assigned to specific functions, that would be cool.

1st April 2010	#3
nickmurphysays Gear interested Joined: Jan 2010 Posts: 9 Thread Starter	Thanks for the response. I've had a look at the Punchlight systems and they look very good. I was just looking into the possibility of doing the same without buying one of their boxes. Think it would be easier to just buy it but I'll have a look at trying to get it to work. Thanks again! Nick