Seg HighTECH MRR1 - 5 Operation and Settings; Setting and Measuring Values

SEG Electronics GmbH Manual MRR1
12 DOK-TD-MRR1, Rev. B
5. Operation and settings
5.1 Setting and measuring values
By pressing push button <SELECT/RESET> al-ways the next value in sequence is displayed. At
first measuring values are shown followed by the setting values. If the relay is in trip condition, dis-
play of setting values can only be achieved after pressing push button <ENTER>. Display of meas-
uring and setting values is ended and the relay resets when push button <SELECT/RESET> is
pressed for a certain time. In the display “WW" appears again.
Measuring value
LED
R
Insulation resistance
green
I
e
Exciter current
green
I
r
Ripple component of the exciter current
green
Table 5.1: Measuring values
Setting values
LED
R
W
Pickup value of insulation resistance supervision (warning)
green
t
RW
Tripping delay for R<
red
R<
Pickup value of insulation resistance supervision (trip)
green
t
R<
Tripping delay for R<<
red
I
e<
Pickup value exciter undercurrent element
green
t
Ie<
Tripping delay for I<
red
I
e>
Pickup value exciter over current element
green
t
Ie>
Tripping delay for I>
red
Ir
Pickup value for ripple current supervision
green
t
Ir
Tripping delay for t
Ir
red
RS
Slave address of the serial interface
yellow
Table 5.2: Setting values