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| RDM Interpretation Questions Discussion and questions relating to interpreting and understanding the E1.20 RDM Standard. |
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September 18th, 2006
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Junior Member
Join Date: Sep 2006
Location: Colorado Springs
Posts: 6
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Sub-device response to SET/GET DMX512 start address
Hello all!
I'm working on a device with sub-devices and wonder if anyone can tell me how I should respond to a 'SET DMX512 start address' PID that is sent to a particular device with the sub-device field set to 0xFFFF (SUB_DEVICE_ALL_CALL)? After I set all subdevices to the same address do I respond with 0xFFFF in the sub-device field? Or do I not respond at all since it is an all call? Also, slightly more confusing for me, how do I respond to a GET 'DMX512 Start Address' PID where one device is identified (not a broadcast command) but the sub-device field is loaded with SUB_DEVICE_ALL_CALL? Only one address will fit in the PD for this response but each of my subdevice's addresses could be different. Thanks! Patrick Richart |
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