Sonifex S2 Mic Live
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Orry Verducci posted on Sunday 21st April at 14:05Hi, I could do with the advice of someone who has either experience with the Sonifex S2 or electronic compenents. I’m trying to connect the Mic Live output of the desk (from its PGM Output module) to the hardware interface on our playout machine (an Advantech PCI card as recommended by P Squared).
The intention is for the computer to recognise if the Mic Live output is active and send a signal to the studio clock software to light the Mic Live indicator. However my attempts at wiring it so far have failed, with the Advantech software always reporting a low logic level.
The S2 manual says it provides latching relay contacts from a double pole relay, 2A at 20VDC, however the card is acting like it is getting nothing from the desk.
Yeah i’ve just checked, the PCI1750 takes a 5-50v DC input to trigger it, so you need to run a power supply to the input pins, via the relay contacts of the S2
There are jumper settings on the mic channel cards that you may need to change to get the remote start working the way you want it (which requires taking the channel out, changing the jumper and putting it back in). The handbook should tell you more on it: Sonifex S2 Site
Orry,
If I’ve read your post correctly, you are running the Mic Live / Clock software on the same PC as your playout software (Myriad??) – this is a bad idea, for a number of reasons, but the one that worries me the most is focus. If your Clock software takes focus away, then pressing the shortcut keys expecting Myriad to fire carts – might not happen. If Myriad doesn’t have focus it cant receive the windows key shortcuts and normally the only way to get focus back is to click on it with a mouse.
Also exclusive use of drivers, i’m not sure if the Advantech driver will allow multiple applications to access it?
Just something to think about.
Regards
DaveB
You shouldn’t need a power supply – the PCI-1750 will work with just a contact closure for input.
See this page for details on wiring.
From within Myriad you can set hardware inputs to run ‘commands’ – as well as running native ‘myriad’ functions or macros, you can run TCP/IP commands sent to other machines on the network, or even lauch other software, such as a batch file that does something more complex. This would be the best way to approach this, letting Myriad take control of the IO card, and just ‘pass on’ the Mic live signal.
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Is the GPI on the card looking for a voltage input? I.e. you need to run 5v through the relay contacts to the card rather than just a NO/NC connection?