YASKAWA 1000 Series Installation Manual page 18

5 Installation Procedure
6.
Set the option for SINK mode or SOURCE mode depending on the application.
SINK Mode
• To use the internal power supply of the drive, connect a wire jumper between
terminals SP and SC.
• To use an external power supply, connect the positive lead from the power supply
to terminal SC on the option. Do not connect the negative lead to terminal SN on
the option.
Figure 9
SOURCE Mode
• To use internal power supply of the drive, short terminals SN and SC.
• To use an external power supply, connect the negative lead from the power
supply to terminal SC on the option. Do not connect the positive lead to terminal
SP.
Figure 10
18
Internal power supply wiring
External power supply wiring
External
power supply
24 Vdc
Figure 9 SINK Mode Connection Diagram
Internal power supply wiring
External power supply wiring
External
24 Vdc
Figure 10 SOURCE Mode Connection Diagram
YASKAWA ELECTRIC TOBP C730600 39B 1000-Series Option DI-A3 Installation Manual
Photocoupler
SC
360 Ω
D0 DF,SI,SE
3.3 Ω
SP
24 V
0 V
SN
Photocoupler
SC
360 Ω
D0 DF,SI,SE
Ω
SP
24 V
0 V
SN
Photocoupler
SC
360 Ω
D0 DF,SI,SE
3.3 Ω
SP
24
0 V
SN
Photocoupler
SC
360 Ω
D0 DF,SI,SE
3.3 Ω
SP
24 V
0 V
SN
Signal
processor
Signal
processor
Signal
processor
Signal
processor