You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Issue:
Which Modbus function code used by the WRITE_VAR function communicating over Modbus/TCP?
Product Line:
Modicon Controller, eNOC, ETY modules
Environment:
All
Resolution:
The WRITE_VAR function block over Modbus/TCP is using Modbus Function Code FC16. Even if you want to write a single register using WRITE_VAR it will be going to use FC16.
Which Modbus function code used by the WRITE_VAR function communicating over Modbus/TCP?
Product Line:
Modicon Controller, eNOC, ETY modules
Environment:
All
Resolution:
The WRITE_VAR function block over Modbus/TCP is using Modbus Function Code FC16. Even if you want to write a single register using WRITE_VAR it will be going to use FC16.
Released for: Schneider Electric Vietnam








Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales enquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Centre
Find support resources for all your needs, in one place.