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  1. Ash
  2. MIDI Hardware
  3. Friday, 26 August 2016
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Hi all.

On my Roland TD-30KV Drums I can easily change the Device ID without having to go to any special menu but I also have Roland AIRA & on my TB-3 for example I can't seem to find how to change the Device ID to send/receive independent SysEx messages. Would this Device ID change automatically if another TB-3 with the same Device ID was connected in my MIDI chain ? Or can I change Device ID's using SysEx messages ?

Thanks,
Ash.
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Clemens Ladisch Accepted Answer Pending Moderation
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Both devices will receive it and think it's for them.
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  1. more than a month ago
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Eddie Lotter Accepted Answer Pending Moderation
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You will need to disconnect or power down one of them before sending the SysEx message that sets the device ID. That way, only one of them will receive the message. Once you power on the second one you can address them individually because they now have different device IDs.

Cheers
Eddie
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  1. more than a month ago
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Ash Accepted Answer Pending Moderation
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Thanks again Clemens.
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Ash Accepted Answer Pending Moderation
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Thanks Clemens.

I know you said it's not common to chain MIDI devices these days but let's say I had 2 Roland TB-3's connected to each other but I only wanted to send a SysEx msg to only 1 & they both have the same Device ID's ? What happens there?

Cheers,
Ash.
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  1. more than a month ago
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Clemens Ladisch Accepted Answer Pending Moderation
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When you have two separate connections from the PC to the devices, and send a message to one of them, the other one will not see it.
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Ash Accepted Answer Pending Moderation
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Hi Clemens thanks for your reply.

Ok thanks I understand. Can you please tell me more about Device ID's ?? In my V-Drums options where I can change Device ID from, it says "The setting described here is necessary only when you wish to transmit separate data to two or more TD-30 units at the same time".

Is this only when 2 TD-30's are connected to each other & 1 to my PC (which I send SysEx from) & NOT parallel outputs/2 separate connections to my PC ??

Ash.
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  1. more than a month ago
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  3. # 5
Clemens Ladisch Accepted Answer Pending Moderation
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Changing conflicting device IDs with SysEx messages would not be possible; what should the device ID of that message be?

Anyway, most devices do no allow changing their device ID. If the manual does not tell you about it, it is not possible.

Nowadays, it is common not to chain MIDI devices but to have several parallel outputs.
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  1. more than a month ago
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  3. # 6
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