User Guide

Dobot M1 PRO Hardware User Guide
Issue V1.1 (2021-07-08) User Guide Copyright © Yuejiang Technology Co., Ltd
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Description
I/O
I/O interface
The Encoder interface of the M1 Pro is shown in Figure 3.2，Table 3.2 lists the description of
Encoder interface.
Figure 3.2 Encoder interface
Table 3.2 Encoder Interface description
No.
1
2
3
4
5
6
7
8
9
Description
ABZ_A+
ABZ_A-
ABZ_B+
ABZ_B-
ABZ_Z+
ABZ_Z-
5V
0V
unused
A robot controller contains I/O interfaces, for connecting to external equipment, such as PLC,
etc. These I/O interfaces provide 16 digital inputs, 16 digital outputs, as shown in Figure 3.3.
Figure 3.3 I/O interface
NOTE
 The output current of every DO can’t exceed 500mA.
 The total current can’t exceed 2A.
Digital Input
Figure 3.4 shows the simple digital input circuit and Table 3.3 lists the technical specifications.