IDEC FL1E SmartRelay - Manual (Page 278)

Applications
264 IDEC SmartRelay Manual 
Note
IDEC SmartRelay applications are available to all our customers
free of charge. The examples provided are noncommittal, serve as
general information about the fields of application for IDEC
SmartRelay, and may be different to user-specific solutions.
The user operates the system at his own responsibility. We refer to
the relevant national standards and system-related installation
regulations.
Although you have four inputs available for logic operations (basic
functions, see Chapter 4.2), the following figures will only show a
maximum of three inputs for reasons of clarity. You program this
fourth input and assign parameters just like the other three inputs.
Errors can not be ruled out, and the right to make changes is
reserved.