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 
  27   
4.3.2.2  Base I/O Interface 
Table 4.6 Description of the base I/O interface   
PIN 
Name 
Function 
Voltage/Current 
1 
PGND 
Negative electrode of the logic 
power 
GND/2A 
2 
VCC 
Positive electrode of the logic 
power 
24V DC/2A 
3 
RS232_RX 
RS232 acception 
RS232 level 
4 
RS232_TX 
RS232 transmission 
RS232 level 
5 
STOP2+ 
Positive electrode of the safety 
input 2, used for connecting to 
emergency stop switch 
0V,24V/<100mA 
6 
STOP1+ 
Positive electrode of the safety 
input 1, used for connecting to 
emergency stop switch 
0V,24V/<100mA 
7 
STOP2- 
Negative  electrode  of  safety 
input 2, used for connecting to 
emergency stop switch 
0V,24V/<100mA 
8 
STOP1- 
Negative  electrode  of  safety 
input 1, used for connecting to 
emergency stop switch 
0V,24V/<100mA 
9 
DOUT17 
Digital output 
0V,24V/2mA 
10 
DOUT18 
Digital output 
0V,24/2mA 
11 
DIN_20 
Digital input 
0V,24V/<100mA 
12 
DIN_18 
Digital input 
0V,24V/<100mA 
13 
DIN_19 
Digital input 
0V,24V/<100mA 
14 
DIN_17 
Digital input 
0V,24V/<100mA 










