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RDM Interpretation Questions Discussion and questions relating to interpreting and understanding the E1.20 RDM Standard. |
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November 6th, 2008 | #1 |
Junior Member
Join Date: Sep 2006
Location: Colorado Springs
Posts: 6
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Is there a minimum required PID list for sub-devices?
Hello all!
Does the list of minimum required PIDs apply to sub-devices? Since only the root responds to discovery commands which are part of the minimum required parameters, I believe there is a strong argument for the answer to this question to be NO. The remaining PIDs in the list are: DEVICE_INFO, SOFTWARE_VERSION_LABEL, IDENTIFY_DEVICE, and SUPPORTED_PARAMETERS (since our sub-device supports another publicly defined PID) In our color changer we have a personalities that use a channel for fan control. We have implemented this by giving those personalities a fan sub-device. The DEVICE_INFO and SUPPORTED_PARAMETERS commands are useful for our fan sub-device, SOFTWARE_VERSION_LABEL is benign, but IDENTIFY_DEVICE is not applicable at all. Any thoughts? Thanks - Patrick |
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