6.10.2      Example of the External Drive

The current of the digital output supports 2mA without additional power, whereas the maximum current of the digital output supports 3A with additional power. Because the default drive capacity of Dobot M1 is insufficient. When the control device that is connected to the I/O interface need to provide a sufficient drive capacity, you must have an external drive to increase the drive capacity.

Figure 6.48 shows the connection between I/O interface and control device without additional power.

VCC_24V is the output voltage of the I/O interface of Dobot M1. OUTx are the outputs of the I/O interface (assuming that OUT0 and OUT1). Please select the proper outputs based on site requirements. For details, please see 4.3 Interface Description.

Figure 6.48  Connection between I/O interface and control device by default

 

Figure 6.49 shows the connection between I/O interface and control device with additional power. The red box in Figure 6.49 shows the external drive circuit. You can make an external drive circuit to meet the drive capacity requirements according to Figure 6.49.

Ÿ   VCC_24V is the output voltage of the I/O interface of Dobot M1. OUTx are the outputs of the I/O interface (assuming that OUT0 and OUT1). GND is the ground of the I/O interface. Please select the proper outputs based on site requirements. For details, please see 4.3 Interface Description.

Ÿ   24V is the external voltage. PGND is the ground corresponding to the external voltage.

Figure 6.49  Connection between I/O interface and control device with external drive

 














 Issue V1.2.1 (2019-04-10)User GuideCopyright © Yuejiang Technology Co., Ltd