Single-phase two-wire system, Single-phase three-wire system, Three-phase three-wire system – Yokogawa PR300 Power and Energy Meter User Manual
Page 13

1-6
IM 77C01E01-01E
1.3
Wiring
Single-phase two-wire system (voltage input, current input, power supply)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
a
b
c
d
e
f
L
؉
N
؊
PE
Power supply
Power supply voltage
100-240V AC
Ϯ10% or
130-300V DC
Ϯ15%
Power-source side
1
2
K
L
CT
Load side
Fuse
k
l
VT
U
V
1L
1S
P1
P2
Refer to
“Other Wiring”
u
v
NOTE
Do not ground the input
circuit when connecting
voltage and current directly
without using VT and CT.
Single-phase three-wire system (voltage input, current input, power supply)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
u
u
v
v
L
؉
N
؊
PE
Power supply
Power supply voltage
100-240V AC
Ϯ10% or
130-300V DC
Ϯ15%
Power-source side
1
N
2
K
L
CT
K
L
CT
Load side
Fuse
VT
k
l
k
l
1L
1S
2L
2S
P0
P2
P1
U
U
V
V
Refer to
“Other Wiring”
NOTE
Do not ground the input
circuit when connecting
voltage and current directly
without using VT and CT.
a
b
c
d
e
f
Three-phase three-wire system (voltage input, current input, power supply)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
L
؉
N
؊
PE
Power supply voltage
100-240V AC
Ϯ10% or
130-300V DC
Ϯ15%
Power-source side
1
2
3
K
L
CT
K
L
CT
Load side
Fuse
VT
A
(R)
B
(S)
C
(T)
k
l
k
l
1L
1S
3L
3S
P1
P3
P2
U
U
V
V
u
u
v
v
Refer to
“Other Wiring”
NOTE
Do not ground the input
circuit when connecting
voltage and current directly
without using VT and CT.
a
b
c
d
e
f
Power supply