YASKAWA A1000 Series

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