ZES ZIMMER LMG450, User Manual

Page: 32 / 306

General LMG450
32
Following you find an overview over the different wirings, the groups, the measured values
and where you can find the values in the display. After the grouping of the wiring you see how
the signals are connected to instrument and what values are calculated.
Wiring ‘3+1, U*I*->U
∆
I
∆
’
Display
channel
Group Meaning Header
1 A The values in star circuit measured with the first
measuring channel (U
1
, I
1
)
Chn1 (U1,I1) A:1
2 A The values in star circuit measured with the
second measuring channel (U
2
, I
2
)
Chn2 (U2,I2) A:2
3 A The values in star circuit measured with the
third measuring channel (U
3
, I
3
)
Chn3 (U3,I3) A:3
4 B The values measured with the fourth measuring
channel
Chn4 B:4
5 A The values in delta circuit, calculated from
display channel 1 to 3 (U
12
, I
12
)
Link123 (U12,I12) A:5
6 A The values in delta circuit, calculated from
display channel 1 to 3 (U
23
, I
23
)
Link123 (U23,I23) A:6
7 A The values in delta circuit, calculated from
display channel 1 to 3 (U
31
, I
31
)
Link123 (U31,I31) A:7
13 A The total values (sum channel) of group A
(display channel 5 to 7)
Sum(5-7) A:13
For typical measuring circuit see 3.3.2, ‘Measuring circuit for measuring efficiency of 3/1phase
systems’.
Wiring ‘3+1, U
∆
I*->U
∆
I
∆
’
Display
channel
Group Meaning Header
1 A The values measured with the first measuring
channel (U
12
, I
1
)
Chn1 (U12,I1) A:1
2 A The values measured with the second measuring
channel (U
23
, I
2
)
Chn2 (U23,I2) A:2
3 A The values measured with the third measuring
channel (U
31
, I
3
)
Chn3 (U31,I3) A:3
4 B The values measured with the fourth measuring
channel
Chn4 B:4
5 A The values in delta circuit, calculated from
display channel 1 to 3 (U
12
, I
12
)
Link123 (U12,I12) A:5