DC Power Supply [DPG-30R & DPG-MC60R, DPG-MC120R, DPG-MC240R]
3. Setup
32
3-4-3. Differences in cabling by rating
This DC power supply system has eight types of configurations from 30 kW to 240 kW.
The connection for the control cable between the DPG-30R and the DPG-MC60R (120R,240R) is
made by connecting the cables from 1 in order. A configuration error will occur on the controller
when the power setting switch position is incorrect or the cable connection points are incorrect.
Power setting switch
Connection with DC PSUs
Connection with external PLC
Power setting switch
Connection with DC PSUs
DC1 to DC4
when 120kW
setting
DC1 to DC8
when 240kW
setting
Connection with external PLC
Figure 3-14 Power supply and external PLC connections (top: MC120R, bottom MC240R)
POWER Select
POWER Select
120kW setting
(DC PSU ×4)
0
1
2
3 4 5
6
7
240kW setting
( DC PSU ×8)
0
1
2
3 4 5
6
7
Arc Select
150V setting
1
2 3
4
Figure 3-15 Changing the power setting switch
Table 3-3 Power setting and control cable connection points
✓
: Connection possible
x: Connection not possible
Power setting (on master-slave)
30 kW
setting
60 kW
setting
90 kW
setting
120 kW
setting
150 kW
setting
180 kW
setting
210 kW
setting
240 kW
setting
Control cable
connection
point
DC1
✓
✓
✓
✓
✓
✓
✓
✓
DC2
x
✓
✓
✓
✓
✓
✓
✓
DC3
x
x
✓
✓
✓
✓
✓
✓
DC4
x
x
x
✓
✓
✓
✓
✓
DC5
x
x
x
x
✓
✓
✓
✓
DC6
x
x
x
x
x
✓
✓
✓
DC7
x
x
x
x
x
x
✓
✓
DC8
x
x
x
x
x
x
x
✓