How can the ATS48 be switched from Modbus control to terminal control using one of its logic inputs?
Issue
How can a logic input be used to switch the ATS48 from Modbus to terminal control?
Product Line
ATS48
Environment:
Modbus Communication
Resolution:
Yes, can use LI3=LIL.
With LI3 = LIL (local forcing enabled):
- When LI3 is closed -> the ATS48 takes commands from the terminal.
- When LI3 is open and there are no Modbus requests -> the ATS48 takes commands from the terminals
- When LI3 is open and there are Modbus requests -> the ATS48 takes commands from Modbus
In summary: The LI3 input in LIL mode allows forcing local control (via terminals) when it is closed or when it's open & Modbus is absent. As soon as Modbus is actively communicating and LI3 open, it takes priority.
See diagram below :
Released for: Schneider Electric USA
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.