Dobot CR20A - 6.2 Robot Interface

Dobot CR A Series User Guide
Issue V1.3 (2023-09-14) User Guide Copyright © Yuejiang Technology Co., Ltd.
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Robot interface
Heavy-duty interface
The heavy-duty interface of robot base is connected to the controller by overloading lines. It
provides power supply and control signal for the robot. The CR A series (except CR20A) robotic
arm heavy duty interface pinouts and definitions are as follows.
Pin
Name
Description
Power interface
Pin1
DC48V
DC48V +
Pin2
DC48V
DC48V +
Pin3
GND
DC48V -
Pin4
GND
DC48V -
Communication
interface
Pin1
TX+
Send data +
Pin2
TX-
Send data -
Pin3
RX+
Receive data +
Pin6
RX-
Receive data -
One end of the CR20A robotic arm heavy-duty cable is fixed to the robotic arm base, and the
other end of the interface pinout and definition are as follows.