Areva MiCOM P921 - Page 103

Technical Guide P92x/EN FT/E11
User Guide
MiCOM P921-P922-P923 Page 25/110
7.3.3 Additional information for MiCOM P923
LED 5 CONF.
df/dt1= NO
Description : selection of the 1
st
rate of change of frequency
element
Range : YES/NO
LED 5 CONF.
df/dt2= NO
Description : selection of the 2
nd
rate of change of frequency
element
Range : YES/NO
LED 5 CONF.
df/dt3= NO
Description : selection of the 3
rd
rate of change of frequency
element
Range : YES/NO
LED 5 CONF.
df/dt4= NO
Description : selection of the 4
th
rate of change of frequency
element
Range : YES/NO
LED 5 CONF.
df/dt5= NO
Description : selection of the 5
th
rate of change of frequency
element
Range : YES/NO
LED 5 CONF.
df/dt6= NO
Description : selection of the 6
th
rate of change of frequency
element
Range : YES/NO
7.3.4 Example of configuration
The aim is :
The LED5 shall be on if the auxiliary input AUX1 is energised.
Settings :
- Go into the “AUTOMAT.CTRL” menu, “INPUTS” sub-menu (§ 11.9) and assign
the “AUX1” information to one of the inputs.
- In the “LED5” menu, which is describes above, select “YES” in front of the
“tAUX1” information.