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3 Wiring
Using a DC Power Supply
This section gives the power supply specifications for using a DC power supply
input. Use the Fuses given in the following tables to protect the power supply
line and SERVOPACK. They protect the power line by shutting OFF the circuit
when overcurrent is detected.
Note: The following tables also provide the net values of the current capacity and
inrush current.
-7S SERVOPACKs
Main
SERVO-
Circuit
PACK
Power
Model:
Supply
SGD7S-
R70A
R90A
1R6A
2R8A
3R8A
5R5A
7R6A
120A
120A
270
VDC
008
180A
200A
330A
470A
550A
590A
780A
*1. This is the net value at the rated load.
*2. These Fuses are manufactured by Mersen Japan.
*3. If you use a DC power supply input with any of the following SERVOPACKs,
externally connect an inrush current limiting circuit and use the power ON and
OFF sequences recommended by Yaskawa:
SGD7S-330A, -470A, -550A, -590A, or -780A.
There is a risk of equipment damage.
For information on the power ON and OFF sequences, refer to the product
manual for your SERVOPACK.
E-30
Power
Current Capacity
Supply
Capacity per
Main
SERVO-
Circuit
PACK
*1
[Arms]
*1
[kVA]
0.2
0.5
0.3
1.0
0.5
1.5
1.0
3.0
1.3
3.8
1.6
4.9
2.3
6.9
3.2
11
4.0
14
5.9
20
7.5
34
10.7
36
14.6
48
21.7
68
29.6
92
Inrush Current
Control
Control
Main
Power
Power
Circuit
Supply
Supply
[A0-p]
[Arms]
[A0-p]]
0.2
0.2
34
0.2
34
0.25
*3
68
(5
0.3
exter-
nal)
*3
114
(3
0.4
exter-
nal)
External Fuse
Current
*2
Order Number
Rating
[A]
3,5URGJ17/16UL
16
3,5URGJ17/20UL
20
3,5URGJ17/40UL
40
3,5URGJ17/63UL
63
3,5URGJ17/100UL 100
3,5URGJ23/160UL 160
3,5URGJ23/200UL 200
Voltage
Rating
[Vdc]
400
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