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Forum: RDM General Implementation Discussion September 9th, 2019
Replies: 9
Views: 1,846
Posted By majid
Because of purchase issues and for some other...

Because of purchase issues and for some other reasons we dismissed purchasing RDM-Repeater from market and decided to make our own RDM Repeater.
I succeeded design isolated 10-48V DC 1to1...
Forum: RDM General Implementation Discussion March 5th, 2019
Replies: 9
Views: 1,846
Posted By majid
Thanks for comments Scott. According to your...

Thanks for comments Scott.
According to your test results, our 32 fixtures chain is already fragile more due to 32 sockets connection rather than unit loads.


Exactly, I beleive even a blind...
Forum: RDM General Implementation Discussion March 5th, 2019
Replies: 9
Views: 1,846
Posted By majid
Thanks for comments Hamish and Eric Yeah...

Thanks for comments Hamish and Eric


Yeah indeed I prefer using 1-1 SPLITTER/REPEATER and not to mess with new design, but our requirements is 1 to 1 compact size outdoor 12-48V DC.
and I could...
Forum: RDM General Implementation Discussion March 4th, 2019
Replies: 9
Views: 1,846
Posted By majid
RDM repeater

Hi

We have a single pixel RGB RDM LED fixture (footprint = 3).
There may be up to 170 fixtures in 1 universe (512/3=170).
As far as I know due to 32 devices limitation of data bus, we have to...
Forum: RDM General Implementation Discussion December 18th, 2018
Replies: 19
Views: 11,754
Posted By majid
Thanks for comments Peter. I think...

Thanks for comments Peter.



I think even with IDENTIFY_DEVICE=0 , DMX signal timeout behaviour of LED fixtures maybe confusing.
I imagine during an RDM setup session, controller sets only one...
Forum: RDM General Implementation Discussion December 13th, 2018
Replies: 19
Views: 11,754
Posted By majid
Thank you Eric and Scott. Now It's clear to...

Thank you Eric and Scott.

Now It's clear to determine how responder supposed to behave on RDM signal timeout. I will follow official solution, IDENTIFY_TIMEOUT is the definite solution if needed....
Forum: RDM General Implementation Discussion December 12th, 2018
Replies: 19
Views: 11,754
Posted By majid
I am struggling similar situation, I need to...

I am struggling similar situation, I need to define suitable requirement for behaviour for my responder (LED fixture).
Implementing timeout using PERSONLITY seems possible, so that "WITH TIMEOUT"...
Forum: DMX512 Discussion November 16th, 2018
Replies: 10
Views: 2,558
Posted By majid
I have got ENTTEC USB Pro And OLA Responder...

I have got ENTTEC USB Pro
And OLA Responder Tester on Raspberry Pi, I am content with them.
I have succeeded passing 367 of 426, not run 59.
.
As I said, I have no real field experience of...
Forum: DMX512 Discussion November 15th, 2018
Replies: 10
Views: 2,558
Posted By majid
I should say I am also learning RDM I have just...

I should say I am also learning RDM
I have just finished 2 designs, still optimizing them.
.
For sure the forum elders and real field experienced seniors have the right answer for your question....
Forum: DMX512 Discussion November 15th, 2018
Replies: 10
Views: 2,558
Posted By majid
MCU mostly based on Microchip AVR. We write our...

MCU mostly based on Microchip AVR. We write our own code.
Forum: RDM General Implementation Discussion November 13th, 2018
Replies: 2
Views: 1,143
Posted By majid
This issue is solved after updating and patching...

This issue is solved after updating and patching my OLA rdm tester.

Here is the details maybe useful for OLA users on Raspberry Pi :
...
Forum: RDM Interpretation Questions November 2nd, 2018
Replies: 19
Views: 3,212
Posted By majid
Thanks for your complete explanations . ...

Thanks for your complete explanations
.
Great example, it clarifies the subject.
Thanks for sharing your invaluable experiences.
Forum: RDM Interpretation Questions November 2nd, 2018
Replies: 19
Views: 3,212
Posted By majid
I progressed to "Fail = 0" and "Warning = 0" on...

I progressed to "Fail = 0" and "Warning = 0" on OLA Responder Tester

my device supports GET_DEVICE_HOURS, but not SET_DEVICE_HOURS

at first I ignored SET_DEVICE_HOURS command,
and OLA warned...
Forum: RDM General Implementation Discussion October 25th, 2018
Replies: 2
Views: 1,143
Posted By majid
OLA server error

I encountered an issue during OLA responder test,

my device is RGB LED fixture,
I planned to use all 255 different personalities, (1 DMX mode, 254 DEMO mode)

when I run the OLA responder test...
Forum: RDM General Implementation Discussion May 18th, 2018
Replies: 2
Views: 1,580
Posted By majid
thanks eric

thanks eric
Forum: RDM General Implementation Discussion May 12th, 2018
Replies: 2
Views: 1,580
Posted By majid
same Software Version ID for different Model IDs ?

I plan to use same software for several Models of RDM LED array fixtures.

the aim is to reduce production complexity so that one main software will be programmed to all PCBs.
then at the last...
Forum: RDM Physical Layer/Hardware Discussion May 12th, 2018
Replies: 2
Views: 2,000
Posted By majid
thanks for reply

thanks for reply
Forum: RDM Physical Layer/Hardware Discussion April 28th, 2018
Replies: 2
Views: 2,000
Posted By majid
Outdoor 4 pin connector pinout

My design is an outdoor LED array RDM fixture almost finished is goning to be produced soon
48VDC powered with single cable IP66 connector
4 pin : V+/V-/D+/D-

I know for XLR connectors standard...
Forum: RDM Interpretation Questions March 16th, 2018
Replies: 19
Views: 3,212
Posted By majid
Ok Eric I got it, I m going to fix it Maybe...

Ok Eric
I got it, I m going to fix it
Maybe save device label to eeprom gradually in background as you mentioned

Thanks
Forum: RDM Interpretation Questions March 15th, 2018
Replies: 19
Views: 3,212
Posted By majid
OK after implementing 10.3.1 I could see...

OK

after implementing 10.3.1
I could see the SET DEVICE label transaction from OLA on sniffer,

I traced the bug, it was because of short timeout of my code on receiving RDM packet, I increased...
Forum: RDM Interpretation Questions March 14th, 2018
Replies: 19
Views: 3,212
Posted By majid
Thanks Eric . You are right my code does not...

Thanks Eric
.
You are right my code does not reply when queue is empty. I need to fix it.
.
My device does not support STATUS_MESSAGE
Shall I response with STATUS_MESSAGE PDL=0 ?
.
I am...
Forum: RDM Interpretation Questions March 14th, 2018
Replies: 19
Views: 3,212
Posted By majid
thanks for reply , I also handled over size by...

thanks for reply ,
I also handled over size by responding NACK FORMAT ERROR as you said

but there is not SET DEVICE_LABEL at all from OLA (please see previous post attachment)

I think my code...
Forum: RDM Interpretation Questions March 14th, 2018
Replies: 19
Views: 3,212
Posted By majid
OLA SetOversizedDeviceLabel Fail

I have implemented Get/Set DEVICE_LABEL
It works fine with XMT-350 and ENTTEC USB PRO MK2

but during RDM responder test, OLA says "SetOversizedDeviceLabel Fail"

SET: pid: DEVICE_LABEL...
Forum: DMX512 Discussion January 23rd, 2018
Replies: 10
Views: 2,558
Posted By majid
We will also have RDM model Proposed to...

We will also have RDM model
Proposed to customer as adjustable LED/pixel and start address

This is for DMX model, proposed to customer as fixed pixel models, pixel will be adjusted only during...
Forum: DMX512 Discussion January 23rd, 2018
Replies: 10
Views: 2,558
Posted By majid
Aim is to ajdust pixel length during production ...

Aim is to ajdust pixel length during production
Single hardware, different models
Very rare for customer,

Thanks
Forum: DMX512 Discussion January 23rd, 2018
Replies: 10
Views: 2,558
Posted By majid
DMX512 Alternate Start Code=91h

I am developing DMX array LED fixture, (not RDM)
It will be 1 meter length 10 RGB pixels,

I plan to make it flexible pixel length : 1, 2, 5 and 10 pixel/meter
so the footprint will be 3, 6, 15...
Forum: RDM Timing Discussion December 30th, 2017
Replies: 2
Views: 2,558
Posted By majid
Ok so dmx device doesn't need to worry about...

Ok
so dmx device doesn't need to worry about max value of BREAK time, just see if it is greater than 88 us or not

Typical value for transmiter is meaningful,

But in receiver confusing me, I...
Forum: RDM Timing Discussion December 29th, 2017
Replies: 2
Views: 2,558
Posted By majid
DMX break timing

hi

I am trying to implement DMX LED fixture

ANSI E1.11 says BREAK 92-176 us for transmitter (Table-6)
and 88-176 us for receiver (Table-7)

during a test I measured a transmiter BREAK 204 us...
Forum: RDM General Implementation Discussion December 17th, 2017
Replies: 0
Views: 1,588
Posted By majid
RDM logo

would you please answer these questions:

1) is the RDM logo the one that appears on http://www.rdmprotocol.org/ ?

2) are manufacturers who obtained MID, allowed to use the RDM logo in their...
Forum: RDM General Implementation Discussion December 16th, 2017
Replies: 5
Views: 2,217
Posted By majid
I agree the "keep it simple" principle and try...

I agree the "keep it simple" principle and try not to mess with special PIDs unless its really needed
For my current project, standard PIDs satisfy requirements,

Actually I need a verification to...
Forum: RDM Interpretation Questions December 15th, 2017
Replies: 19
Views: 3,212
Posted By majid
hmm so the responder need to be a sort of...

hmm

so the responder need to be a sort of multitasking, continue responding commands and doing previously queued commands,

but I expect controller not to ask previously queued command again...
Forum: RDM Interpretation Questions December 14th, 2017
Replies: 19
Views: 3,212
Posted By majid
I wonder if the responder response a command with...

I wonder if the responder response a command with ACK_TIMER T ms,
will the controller stop asking ALL commands during T ms ?
or the controller may ask other commands except queued command during T...
Forum: RDM Interpretation Questions December 14th, 2017
Replies: 19
Views: 3,212
Posted By majid
thread is usefull thanks. I didn't use...

thread is usefull thanks.

I didn't use ACK_TIMER at first, set address is successful but the controller (XMT-350) shows warning after setting address, I traced and found out its because of EEPROM...
Forum: RDM Interpretation Questions December 14th, 2017
Replies: 19
Views: 3,212
Posted By majid
I got it! thank you Peter

I got it!

thank you Peter
Forum: RDM Interpretation Questions December 14th, 2017
Replies: 19
Views: 3,212
Posted By majid
SET_COMMAND_RESPONSE TIMER_ACK

6.3.3 says responder shall response GET/SET command with TIMER_ACK when it takes more than 2ms to do command,
and put the response in queue after doing command

but in SET RESPONSE packet, PD is...
Forum: RDM User Discussion November 7th, 2017
Replies: 3
Views: 1,640
Posted By majid
if you mean to make robust RDM bus, take a look...

if you mean to make robust RDM bus, take a look at fault-free line driver sn65hvd1786
it is not isolated but can stand up to 70v at data bus
Forum: RDM General Implementation Discussion November 3rd, 2017
Replies: 5
Views: 2,217
Posted By majid
Thank you scott :) I m happy joned the forum!...

Thank you scott
:)
I m happy joned the forum!

I understand, I have already implemented LED/pixel yet, its amzing for me!
I think its better to avoid Slot/pixel, it seems useless

Thanks
Forum: RDM General Implementation Discussion November 3rd, 2017
Replies: 5
Views: 2,217
Posted By majid
2 sets of personality

hi everyone

I m new to RDM, trying to design RDM-DMX LED fixture.
I have read old posts and found answers for most of my questions.

planning to make LED array fixture with 2 sets of...
Showing results 1 to 38 of 38

 
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