Yesterday I tried connecting my Synth to my MRCC via USB, and doesn’t seem to register as MIDI device.
The Synth powers up reliably, and I can route MIDI to that port, however the LED next to the physical USB port on the MRCC does not light up, which indicates that it is not recognized as a class compliant MIDI device.
Synth does not receive MIDI messages, and the MCRR does not indicate that it receives any MIDI messages from the Synth when I play the GRID.
I have tried other USB devices on the same USB port, and they work, so it’s not a defective port on the MRCC. Also I connected my Synth with the same cable to my Mac, and MIDI over USB works just fine here.
Also I measured the current the Synth draws from the USB ports, and I could not get it to draw more than 455mA, so it is within the 0.5A the MRCC can provide per port.
For the time being, I’m using DIN MIDI. I had one free port left anyway, but USB MIDI should work, I already asked on the Conductive Labs forum, but that is typically a bit slow to respond. Maybe someone here has an idea what I could try?
I have the MRCC but only the tracker and play +. I use the 3.5 type b without issue. I’ll try the USB and see if I can get it to work. I know it’s not using Synth but shouldn’t be that different.
Thanks. Watch out for the LED right next to the port you plug it into, that should light up once the Play+ has finished booting, to indicate the that it been identified as a MIDI device.
Play + will not work with USB on MRCC. I power it on and no green light on MRCC.
Tracker + will work. I can get transport out. I did not get notes to come out but not as familiar with the Tracker + to that like the Play +.
Without having the Synth, I can’t say for certain but based on my unscientific testing, sounds like it could be something with the Synth needing more juice than MRCC can push. Strange Tracker Plus works but not Play + Recommend to use the 3.5 Type B ports on the MRCC, provided you have the “big boy” MRCC.
Hey, thanks for taking the time to test this. So whatever it is, it looks like it’s possible that a fix will fix this for more Polyend devices, not just for the synth.
Now i wonder what is the next step in figuring out where that fix needs to happen, in the Synth or in the MRCC.
I don’t think that is the case, I used an USB meter (like the one below) to measure how much the Synth actually draws when the CPU is overloaded, and it’s still less that what the MRCC manual claims one USB port can deliver.
Do any of you have one of those USB y-cables that allows you to power things from another source? It might be worth giving it a try, to find out whether it’s a power issue.
Is this supposed to be an actual wish? Or is this just a general discussion topic?
If it’s a wish, let me know. because you removed the mandatory template/structure.
