Manual

12/18/2017 U2D2
http://support.robotis.com/en/product/auxdevice/interface/u2d2.htm 2/6
Specifications
Dimensions : 48mm x 18mm x 14.6mm
Weight : 9g
Available Ports
- 3Pin TTL Level : TTL Communication supported DYNAMIXEL
- 4Pin RS-485 : RS-485 Communication supported DYNAMIXEL
- 4Pin UART : Controllers that support 4Pin UART(such as CM-150 and CM-200)
Baud Rate : Maximum 6Mbps
Layout
Ports Description
4Pin UART Convert USB and UART
3Pin TTL Level Connect to the DYNAMIXEL with 3Pin TTL Level Communication.
4Pin RS-485 Connect to the DYNAMIXEL with 4Pin RS-485 Communication.
Status LED Display status of Power supply, TxD(Data write) and RxD(Data Read).
Micro-B USB Connect to the PC with USB cable
Communication Error
Reference BPS Actual BPS Error(%)
9,600 9,600 0.00
57,600 57,588.4823 -0.02
115,200 115,246.0984 0.04
1,000,000 1,000,000 0.00
2,000,000 2,000,000 0.00
3,000,000 3,000,000 0.00
4,000,000 4,000,000 0.00
4,500,000 4,571,428.571 1.56
6,000,000 6,000,000 0.00
Less than 3% of the baud rate error will not affect to the UART communication.