5
IM 77C01C01-01E
1st Edition : March 5.2001-00
■
Wiring Diagrams
Voltage
or
Contact
2
Power Side
Load Side
K
1S
1L
P1
P2
PT
CT
L
L
N
GND
Power Supply
A
B
C
+
+
-
-
1
1
3
5
7
9
2
4
6
8
10
20
19
18
17
16
15
14
13
12
11
21
22
23
+ Receiver
-
Device
Communication
Shield
Short Terminating
(R)
(S)
N
K
1S
1L
P1
2S
2L
P2
PT
CT
L
K CT
L
L
N
GND
A
B
C
1
2
1
3
5
7
9
2
4
6
8
10
19
18
17
16
15
14
13
12
11
20
21
22
23
Voltage
or
Contact
Power Side
Load Side
Power Supply
+
-
+
-
+ Receiver
-
Device
Communication
Shield
Short Terminating
(R) (S)
(T)
1 phase 2 wire system
1 phase 3 wire system
2
K
1S
1L
P1
3S
3L
P3
P2
PT
CT
L
K CT
L
L
N
GND
A
B
C
1
3
1
3
5
7
9
2
4
6
8
10
19
18
17
16
15
14
13
12
11
20
21
22
23
Voltage
or
Contact
Power Side
Load Side
Power Supply
+
-
+
-
Communication
Shield
Short Terminating
(R) (S) (T)
+ Receiver
-
Device
A
B
C
L
N
GND
N
3
2
PT
CT
K
L
K
L
CT
1
K
L
CT
1
3
5
7
9
2
4
6
8
10
19
18
17
16
15
14
13
12
11
20
21
22
23
Voltage
or
Contact
Power Side
Load Side
Power Supply
+
-
+
-
Communication
Shield
Short Terminating
(R)
(S)
(T)
+ Receiver
-
Device
3 phase 3 wire system
3 phase 4 wire system
CAUTION
The following caution for safety should be taken for handling of product. We are not respon-
sible for damage incurred by use contrary to caution.
•
The following items should be checked before turning power on. Use of product
ignoring specifications may cause over heating or burning.
(a) Voltage of power supply and input value applied to the product should meet with
required specifications.
(b) External wiring to terminals should be connected correctly.
(See precding Article 4)
•
When take off wiring from the product, check to see primary side of CT, PT and power
supply is in OFF status. If CT secondary side is in OPEN status during operation, be
careful for danger of high voltage.
•
Do not use the product in such dangerous places where exist inflammable and explo-
sive gas or steam.
