Important Notice

Important notice to our valued customers who use Ethernet communication(UDP communication)

Last Updated: Oct. 7, 2013
Posted: Jul. 22, 2013
Thank you very much for your continuous use of Pro-face products.
We have confirmed that the following symptom occurs in some models of GP-Pro EX.
The symptoms and corrective measures for this problem are indicated below.
We sincerely apologize for any inconvenience this may cause you.

Symptom descriptions

Communication may not be recovered if an Ethernet cable is inserted and removed while a GP4000 unit is communicating with an Ethernet cable (UDP communication).

Applicable combination of products

The followings are applicable products

Applicable models of Graphic Operator Interfaces

SeriesApplicable models
GP4000 Series All models(WinGP included)

Applicable product of Screen Editor Software:

Applicable version : GP-Pro EX Ver. 3.00.000 to Ver. 3.10.000
Product model : PFXEXEDV30 to PFXEXEDV31
How to check the version : [Help (H)] → [About this program (A)]

Applicable PLC driver:

All PLC Drivers of UDP communication support.


Download and install the following module.
GP-Pro EX Install Module(Ver. 3.50.000)
To download the module, free member registration for "Otasuke Pro!" is required. Click here to register.


If you have any inquiries, please contact our sales office in your region.
For contact information, please refer to the "Inquiry" page.