Siemens 3RP25 Manual page 67

Procedure
Let us suppose you wish to set a duration of 90 seconds:
Work step
①
②
③
3RP25 Time Relays
Manual, 09/2019, A5E31947765002A/RS-AC/003
Setting graphic
2 CO contact variant
(2CO / 1CO+1CO)
1 CO variant (1CO)
7.2 Time setting multifunction unit
Process description
Turn the time range selector switch to the time
range 100 s with a screwdriver. This means that
operating times up to 100 seconds can be set. As
the relay response can be optionally selected on
the 2-CO-contact variant, the time ranges are
arranged on the left and right.
Left (2CO) = 2 parallel contacts
Right (1CO+1CO) = 1 instantaneous contact,
1 delayed contact
With the 1-CO-contact variant, the time range is
given only once on the left.
Turn the operating time adjustment switch for fine
adjustment to 90%. This means 90% of the
maximum value (90 % of 100 seconds =
90 seconds) is set.
The function is set via a function selector switch,
and displayed in the adjacent window by an
identification letter.
The set function is indicated unmistakably on the
unit by a sticker with the corresponding function
diagram. A set of stickers with the function
diagrams for all functions that can be set for the
time relay is included in the scope of supply.
Multifunction units
67