Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 45,022
Hi Eric,
I agree. Further I have just found...
Hi Eric,
I agree. Further I have just found that, the Enttech will currently not show or allow changing of DMX_PERSONALITY if DMX_PERONALUITY_DESCRIPTION is not supported.
Hence my original...
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Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 45,022
Hi Eric,
I have it exactly like you...
Hi Eric,
I have it exactly like you mentioned.
The root device does have a footprint of 12.
Also, I did have 0 personalities on root but have now changed to 1 because either the Wybron or...
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Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 45,022
Hello again.
I have implemented subdevices...
Hello again.
I have implemented subdevices et all and I am testing with Enttech USB pro as well as Wybron gateway 4200 with Infogate 2.11.
Results are devastating so far.
The Enttech does...
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Forum: RDM General Implementation Discussion
October 7th, 2009
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Replies: 19
Views: 45,022
Hi Eric,
This leads me to the next...
Hi Eric,
This leads me to the next question: Do all subdevices also have to support the minimum mandatory PIDs?
Because of various constraints (front panel etc etc), this unit can only ever...
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Forum: RDM General Implementation Discussion
October 7th, 2009
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Replies: 19
Views: 45,022
Hello
Thanks for that. It realy helps me a...
Hello
Thanks for that. It realy helps me a lot asI would not have thought of this.
If I understand this correct then:
Discovery Mute/Unmute needs to report a sub device flag(Bit1) = 1
...
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Forum: RDM General Implementation Discussion
October 6th, 2009
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Replies: 19
Views: 45,022
How should I best implement a dimmer?
Hello,
I am struggling here becasue there seem to be many ways to implement things with RDM.
I have a device with channels that can be configured in 4 modes On, Off, DmxDim, DmxSwitch.
I...
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Forum: RDM General Implementation Discussion
October 1st, 2009
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Replies: 1
Views: 31,906
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Forum: RDM Interpretation Questions
October 1st, 2009
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Replies: 14
Views: 75,510
Hi Peter,
I see what you mean and it does...
Hi Peter,
I see what you mean and it does make sense. If the DMX_START_ADDRESS PID would be considered mandatory for all devices, then the issue would be resolved more consistently.
Kind...
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Forum: RDM General Implementation Discussion
September 30th, 2009
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Replies: 3
Views: 37,246
Strictly speaking it is defined as 'cycles per...
Strictly speaking it is defined as 'cycles per second'. That is why I thought it is not 100% correct for 'frames per second' or 'counts per second'.:)
It is probably the most appropriate one in...
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Forum: RDM General Implementation Discussion
September 30th, 2009
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Replies: 3
Views: 37,246
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Forum: RDM Interpretation Questions
September 30th, 2009
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Replies: 14
Views: 75,510
Hello all,
Thanks for this. Those are the...
Hello all,
Thanks for this. Those are the exact issues I have come up with here.
If DMX_START_ADDRESS is supported (because the device needs it then how is a controller supposed to know this...
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Forum: RDM Interpretation Questions
September 29th, 2009
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Replies: 14
Views: 75,510
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Forum: RDM Interpretation Questions
November 12th, 2008
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Replies: 1
Views: 83,859
ACK_TIMER, QUEUED Messages
Hello,
Should devices generate queued mesages if they act on a broadcast command instead of the same direct address command?
Regards
Bernt
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Forum: RDM Interpretation Questions
October 15th, 2008
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Replies: 5
Views: 35,964
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Forum: RDM Interpretation Questions
October 9th, 2008
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Replies: 5
Views: 35,964
Hi Scott
I am just checking because I have...
Hi Scott
I am just checking because I have a feeling that a product (a proxy) I am interfacing with is getting a bit confused maybe.
I am not sure if thisis causing the trouble or something...
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Forum: RDM Interpretation Questions
October 8th, 2008
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Replies: 5
Views: 35,964
DISC_UNIQUE_BRANCH dest UID (section 7.3)
Hello
Must the DISC_UNIQUE_BRANCH command always be sent to destination UID = BROADCAST_ALL_DEVICES_ID (Appendix A p 101)?
I would like to send it to ALL_DEVICES_ID (0xmmmmFFFFFFFF) instead...
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Forum: RDM General Implementation Discussion
August 27th, 2008
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Replies: 6
Views: 35,767
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Forum: RDM General Implementation Discussion
August 27th, 2008
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Replies: 6
Views: 35,767
Hi Scott,
I understand your point but...
Hi Scott,
I understand your point but please understand that I am somewhat restrained with what I can and can't write here in the forum. I am not allowed to mention any specific equipment...
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Forum: RDM General Implementation Discussion
August 27th, 2008
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Replies: 6
Views: 35,767
When is a different start code allowed?
Hello all
I have 2 products here that state that they both comply with RDM but when I try to detect the responder with my controller, nothing happens.
In fact, my sniffer does not even detect...
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Forum: RDM Physical Layer/Hardware Discussion
August 5th, 2008
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Replies: 7
Views: 52,548
Hello
I did look for tranzorbs but their...
Hello
I did look for tranzorbs but their breakdown voltage was not good enough at over 4V for most of them. The absolute maximum in my system is 4.0V for the processor.
I will check again.
The...
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Forum: RDM Physical Layer/Hardware Discussion
August 5th, 2008
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Replies: 7
Views: 52,548
Hi Eric,
I did say 5V originally and I have...
Hi Eric,
I did say 5V originally and I have seen the problem with a 5V external driver driving into my 3V3 master when the master power is dropped suddely during communication. The 5V is then...
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Forum: RDM Physical Layer/Hardware Discussion
August 4th, 2008
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Replies: 7
Views: 52,548
Hi Eric and thanks for the reply.
To meet...
Hi Eric and thanks for the reply.
To meet the spec, The pullup resistor is actually 390R for a 3V3 supply.
If the dataline is now pulled to +12V (example but perfectly legal) by the responder...
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Forum: RDM Physical Layer/Hardware Discussion
August 4th, 2008
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Replies: 7
Views: 52,548
Line biasing Flaws - need solutions
Hello,
The line biasing method in the RDM spec is flawed in my opinion.
The reason is that the voltages on the DMX lines are allowed to rise way further than the power supply that biases the...
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Forum: RDM Physical Layer/Hardware Discussion
May 25th, 2008
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Replies: 0
Views: 47,447
Cable shield connection questions
Hello,
It is pretty cear from the DMX spec that a transmitter must have <20Ohm between shield and chassis and a receiver (non isolated) must have 100Ohm.
This is cool BUT what if a device can...
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Forum: RDM General Implementation Discussion
May 8th, 2008
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Replies: 1
Views: 36,472
Master Fader accross Rdm implementation Question
Hello,
I have some (dimming) devices here that I can link with Rdm to a controller.
The output of the device channels is essentially still controlled by DMX from the controller and/or the actual...
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Forum: RDM Interpretation Questions
April 8th, 2008
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Replies: 2
Views: 34,111
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Forum: RDM Interpretation Questions
April 8th, 2008
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Replies: 2
Views: 34,111
broadcast Disvovery Mute/Unute
Hello
I read in the spec at 5.3 that devices shall not respond to broadcast messages except discovery messsages.
While this makes sense for the DISCOVERY_UNIQUE_BRANCH command, I am not sure...
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