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

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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

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