Unified Automation Forum

Hi,

Why I get this error when subscribing item with percentage deadband?
Setting Absolute deadband works fine.

thanks,
Shlomi

Hi Shlomi,

Percentage DeadBand can only be used to monitor variables from type AnlalogItemType.
https://reference.opcfoundation.org/v104/Core/VariableTypes/AnalogItemType/
The Variable needs a property of type range, for example "EURange".