Control I/O Connections; Sinking/Sourcing Mode Switch For Digital Inputs; Sinking/Sourcing Mode Selection For Safe Disable Inputs - YASKAWA A1000 Series Technical Manual

3.10 Control I/O Connections

◆ Sinking/Sourcing Mode Switch for Digital Inputs

Use the wire link between terminals SC and SP or SC and SN to select between Sink mode, Source mode or external
power supply for the digital inputs S1 to S8 as shown in
Note: Never short terminals SP and SN as doing so will damage the drive.
Table 3.10 Digital Input Sink / Source / External Power Supply Selection
Sinking Mode (NPN)
Sourcing Mode (PNP)

◆ Sinking/Sourcing Mode Selection for Safe Disable Inputs

Use jumper S3 on the terminal board to select between Sink mode, Source mode or external power supply for the Safe
Disable inputs H1 and H2 as shown in
Jumpers on the Terminal Board on page 76
Table 3.11 Safe Disable Input Sink / Source / External Power Supply Selection
Sinking Mode
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
Drive Internal Power Supply (Terminal SN and SP)
S7
S8
SN
SC
24 Vdc
SP
S7
S8
SN
SC
24 Vdc
SP
Table 3.10 (Default: Source mode, internal power supply.) Refer to
for locating jumper S3.
Drive Internal Power Supply
Jumper S3
24 Vdc
HC
H1
H2
Table 3.10 (Default: Sink mode, internal power supply).
External
24 Vdc
External
24 Vdc
External
24 Vdc
3.10 Control I/O Connections
External 24 Vdc Power Supply
S7
S8
SN
SC
24 Vdc
SP
S7
S8
SN
SC
24 Vdc
SP
Switches and
External 24 Vdc Power Supply
Jumper S3
24 Vdc
HC
H1
H2
3
77