Dobot CR20A - I;O Interface Power

Dobot CR A Series User Guide
Issue V1.3 (2023-09-14) User Guide Copyright © Yuejiang Technology Co., Ltd.
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Table 6.2 Pin definition
Screen
Definition
I/O 5V
Internal power source +5V
I/O 0V
Internal power source 0V
A+/A-
Pulse encoder interface. See 6.1.8 Encoder I/O interface
for details
B+/B-
Z+/Z-
RP 24V
Remote switch interface. See 6.1.7 Remote switch
interface for details
ON
OFF
I/O 24V
I/O power +24V and 0V Internal power supply or external
power supply can be realized through different wirings.
See 6.1.4I/O interface power for details
I/O 0V
AI1~AI2
Analog input/output interface. See 6.1.6 Analog I/O
interface for details.
AO1~AO2
DI1~DI24
Digital input/output interface. See 6.1.5 Digital I/O
interface for details
DO1~DO24
COM1~COM2
DI common ground for switching types of DI signal.
24V
Internal power source +24V and 0V
0V
485A
RS485 interface. See 6.1.9 RS485 interface for details
485B
RG
For encoder, 485 and CAN grounding
CAN_H
CAN bus interface (reserved)
CAN_L
SI 24V
Safety I/O power +24V and 0V
SO 0V
SI1~SI10
Safety input/output interface. See 6.1.10 Safety I/O
interface for details
SO1~SO10
I/O interface power