45
4. How to Use Test Mode
4.3. Test Menu 6
:
Functions for Determining Incorrect Wiring
4.3.1. Incorrect wiring patterns detected by
①
Pattern display of incorrect wiring
■
For 1-phase 3-wire system *1
No. Wiring diagram
No. Wiring diagram
No. Wiring diagram
1
Normal
5
Switch between 1 side CT and 3 side CT
8
Reverse connection between terminals
P1 and P3
2
Reverse connection of 1 side CT
6
Reverse connection between terminals P1 and PN
9
PN, P3, and P1 are connected to P1, PN, and
P3 terminals of the instrument in that order.
3
Reverse connection of 3 side CT
7
Reverse connection between terminals PN and P3
10
P3, P1, and PN are connected to P1, PN, and
P3 terminals of the instrument in that order.
4
Reverse connection of 1 side and 3 side CT
*1. On the screen, the PN terminal is displayed as
‘P2’. Read as ‘PN.’
■
For1-phase 2-wire system
No.
Wiring diagram
No.
Wiring diagram
1
Normal
2
Reverse connection of 1 side CT
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
K
L
k
l
1
N
3
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
1
2
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
K
L
k
l
1
2
Содержание ME96SSEB-MB
Страница 64: ...63 7 Installation Dimensions ME96SSEB MB mm ...