Delta DVP-ES3 Series Hardware Manual

Appendix A Installing a USB Driver
A-11
A_
A.3 Notes on Utilizing USB Communication
 Suggested to use USB communication in the following occasions: PLC program upload / download,
PLC parameters monitoring, and firmware upgrade.
 Suggested NOT to use USB communication for applications that require long time communication and
without any connection drop.
 When experiencing connection lost, you can unplug the USB cable and then plug it back in and try the
communication again.
 For the first time USB communication user, you need to install the USB driver for the ES3 Series PLC
CPU.
 If the communication is still not working after unplugging and plugging, you need to open the Devices
(Windows settings -> Devices) to see if the USB driver is still valid. The USB driver may be lost due to
Windows updates. If your USB driver is invalid, install the USB driver again.

Delta DVP-ES3 Series Specifications

General

Brand	Delta
Model	DVP-ES3 Series
Category	Controller
Language	English