13
9.
Key
- Enter / Reset / Cancel / To check
Version
3.0
SETTING INSTRUCTIONS
3.1
How to operate HMI
♦
Remove the front cover by unscrewing the four knurling screws.
♦
Apply DC supply. Terminals 22,24 and 23 are for positive, negative
and earth respectively as per relay rating. When the relay powers up
it takes few seconds to complete the self-test routine.
♦
Ensure Protection Healthy LED (Green) is ON and
indication
appears on the LED display unit. Wait until the
indication goes
off.
♦
Press or key
is displayed
Represents MIB 202 relay
♦
Press key repeatedly scrolls down the Factory setting Main menu
in the following order on the display.
-
Initial setting
in % of nominal rating
-
Bias slope setting in %
-
Slope limit setting in % of Restraining current
(I
1
+I
2
)/2
-
Current
Amplitude correction setting for HV
windings
-
Current
Amplitude correction setting for LV
windings
-
Vector
group compensation setting for HV
windings