Hello, I would like to have my satellite receiver trigger recording network news through a relay contact closure. I installed the PCI-DIO24 card and have it configured with 2.2K pull-up resistors to keep all contacts "on" in the default position. When a relay contact closes on the the satellite receiver, it pulls the lines "Down" to ground, thus pulsing the PCI-DIO24 to "Off". This is contrary to standard practices for GPI's in general and could pose some problems.
What I am curious is in the configuration for recording - does the GPI setting to start/stop recording respond to changes in state, or does it require an "On" pulse to start the recording and an "Off" pulse to stop. It it is the latter, I will need to figure out some solution (preferably in software) to address. A couple of options would be to modify the driver code to invert all behavior for the card. Alternately, an option could be added to the GPI configuration in Rivendell to invert all GPI selections on the card globally such that these cards could have On and Off swapped. Looking for experience and suggestions.... Thanks. Brian
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