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  • MVP 2021

Gerard, you first need a copy of Visilogic, get it here:


Once installed properly you can then consult the Help file and find Downloading/Uploading a Project under Getting Started.  This details all the things needed to establish a connection...pay particular attention to the bits relevant to your type of plc, under "Enhanced Vision" and the "ERROR" bullet relating to using the inbuilt USB port.  "Error" is a bit of a misnomer.

Finally, although the installer is meant to do this itself, run the .exe above by right click the file and choose run as administrator.   Once installed, navigate to the Visilogic.exe file within Unitronics Visilogic_C/Main folder in Program Files and right click/Properties/Compatibility tab/ Tick Run this program as Administrator (it it isn't already ticked....it should be)

cheers, Aus

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If used V570 include Mini-USB port - you can use USB to Mini-USB standard cable.

*You have to install USB driver before you use USB connection.

Do it from Connection->Communication & OS->right-most tab.

Click "Install USB Driver" than "Open Device Manager" to find COM Port number to use in VisiLogic.

Then connect mini-USB cable to PLC and to PC.


Or you can use USB-to-Serial converter P/N MJ10-22-CS35, and RS232-CB1 set, supplied by Unitronics and distributors.

*USB-to-Serial converter P/N MJ10-22-CS35 include all required RS232 lines. It use Prolific chip.

 RS232-CB1 set include  MJ10-22-CS25 DB9 to phone 6p6c socket adapter and cross-crimped 4 wires phone cable.

Then you can communicate to PPLC.

Hope this information helps.



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