Time Setting Single Function Unit - Siemens 3RP25 Manual

Single function devices

6.2 Time setting single function unit

6.2 Time setting single function unit
Relay with single function
Operating time setting
The desired time range is set with the time range selector switch.
The desired operating time is set precisely with the operating time adjustment switch.
Note
Changes to the set time (time range and operating time) do not become effective until the
supply voltage is applied again.
Procedure
Let us suppose you wish to set a duration of 50 seconds:
Work step
One time range
①
Several time ranges
①
②
50
Setting graphic
Operating time adjustment
switch
Time range selector switch
Operating time adjustment
switch
Process description
Turn the operating time adjustment switch to the
setting value 50s with a screwdriver.
Turn the time range selector switch to 100s with a
screwdriver. This means that operating times up to
100 seconds can be set.
Turn the operating time adjustment switch for fine
adjustment to 50 %. This means 50 % of the
maximum value (50 % of 100 seconds =
50 seconds) is set.
Manual, 09/2019, A5E31947765002A/RS-AC/003
3RP25 Time Relays