For M221 controller range, it is possible to check application checksum through system words %SW94-%SW95
%SW94 -%SW95 , this is a Checksum of the application
the values of %SW94-%SW95 content can be seen/read either connected to the real M221 PLC or also in simulation mode ( the values will be the same in both case)
so for each application he can register the checksum
%SW94 -%SW95 , this is a Checksum of the application
the values of %SW94-%SW95 content can be seen/read either connected to the real M221 PLC or also in simulation mode ( the values will be the same in both case)
so for each application he can register the checksum
Released for: Schneider Electric Philippines




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