User Guide
Table Of Contents
- 1. Security Precautions
 - 2. Introduction
 - 3. Hardware Installation
 - 4. Electrical Specifications
 - 5. Installation and Commissioning
- 5.1 Installing Software
 - 5.2 Connecting Power Supply
 - 5.3 Connecting Emergency Stop Switch
 - 5.4 Connecting External Cables
 - 5.5 System Commissioning
 
 - 6. Operation
 - 7. Maintenance
 
    Dobot M1 User Guide  4 Electrical Specifications 
Issue V1.0.4 (2018-08-30)  User Guide  Copyright © Yuejiang Technology Co., Ltd 
  29   
Table 4.9 The external expansion interface description 
PIN 
Name 
Function 
Voltage/Current 
1 
A1- 
Inversion  signal  input  for  A 
phase of external encoder1 
RS422 level 
2 
A1+ 
Signal  input  for  A  phase  of 
external encoder1 
RS422 level 
3 
DIN1 
Digital input 
0V,24V/<100mA 
4 
DIN4 
Digital input 
0V,24V/<100mA 
5 
DIN3 
Digital input 
24V/<100mA 
6 
AOUT2 
Analog output, reserved 
0V~10V/10mA 
7 
CAN2_H 
CAN bus 
CAN CAN bus 
8 
DIN6 
Digital input 
0V,24V/<100mA 
9 
DIN5 
Digital input 
0V,24V/<100mA 
10 
AIN2 
Analog input 
0V-10V/<100mA 
11 
AIN3 
Analog input 
0V-10V/<100mA 
12 
DIN7 
Digital input 
0V,24V/<100mA 
13 
DIN10 
Digital input 
0V,24V/<100mA 
14 
DIN9 
Digital input 
0V,24V/<100mA 
15 
DIN12 
Digital input 
0V,24V/<100mA 
16 
FPGA_DOUT6 
(DOUT16) 
Digital output 
0V,24V/2mA 
17 
FPGA_DOUT5 
(DOUT15) 
Digital output 
0V,24V/2mA 
18 
DIN11 
Digital input 
0V,24V/<100mA 
19 
DIN14 
Digital input 
0V,24V/<100mA 
20 
DIN13 
Digital input 
0V,24V/<100mA 
21 
DIN15 
Digital input 
0V,24V/<100mA 
22 
B1+ 
Signal  input  for  B  phase  of 
external encoder1 
RS422 level 
23 
B1- 
Inversion  signal  input  for  B 
phase of external encoder1 
RS422 level 
24 
DOUT2 
Digital output 
0V,24V/2mA 










