Test Mode - Landis+Gyr ZMQ202 User Manual

7.1.4

Test Mode

Note
Landis+Gyr
76/88
Test mode enables you to select which measuring value (active, reactive,
2 2
I , U ) is output to the optical test output.
In the display, values for active, reactive and apparent energy are
available. Depending on parameter setting, the resolution of the display
register can be increased for faster testing.
Select test mode
1.
Enter test mode
2.
Select required
3.
value
4. Repeat step 3 for
all values to be
tested
Back to service
5.
menu
Examples
First value and value x are examples. The real values are defined in the
parameter settings and are the same as the operating display. Losses are
displayed in conjunction with the optical test outputs as shown in the
following table:
Mode Register on Display
Normal mode Some sort of register
Test mode NLA register
(Transformer losses per phase
NLA1,NLA2,NLA3; Total
Transformer Losses NLA)
OLA register
(Line losses per phase OLA1,
OLA2, OLA3; Total line losses
OLA)
Reactive energy register
Active energy register or one of
not mentioned registers in this
table.
LED2 output
|R|
2
I
with R =1 Ω
CU
2
U
with R =1M Ω
FE
|A|
|R|
H 71 0200 0215 f en - ZMQ202 / ZFQ202 - User Manual
Test mode
First value
Value x
End of test mode
LED1 output
|A|
2
U
with R =1M Ω
FE
2
I
with R =1 Ω
CU
|R|
|A|
Maintenance