POST No. 2407534
op2 replacing :dymnaxiel motors with new ones.
2019-08-10 05:23:22 aysegulucar
We replaced dynamixels of 13 and 14 of robotis-op2 with new ones.

In op2, we runned dynamixels. We saw

check ID 4: FAIL
check ID 5: FAIL
check ID 13: FAIL
check ID 14: FAIL

Why? We previously setted motors of 13 and 14 to baund rate,1mnps.


We then run firmware installer.

robotis/linux/project/fimwareinstaller/. fimrware installer

It was success for 1 case cm740.

but We It was not success for 2 case mx28.

In windows, we runned dynamixel controller. we saw that some motors have 57600 bps? Which one is correct 1mbps or 57600bps?

What should be bps of all motors? For example, that of 17 is 1mbps. 

How can I correct them?


2019-08-10 05:23:22
2019-08-12 18:00:15 Will Son


OP2 uses 1Mbps(1,000,000bps) as a default baudrate.

If any DYNAMIXEL is set to 57600, please change it to 1Mbps so that they can communication with the SBC through CM-740.

If you have set the ID and baudrate correctly, you don't need to run the firmware installer.

Thank you.

2019-08-12 18:00:15
2019-08-15 00:06:23 aysegul ucar

Many thanks for your fast reply

2019-08-15 00:06:23
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