88 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
3.10 Control I/O Connections
3.10 Control I/O Connections
Sinking/Sourcing Mode for Digital Inputs
Use the wire jumper 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 3.12 (Default: Sink mode, internal power supply).
Note: Never short terminals SP and SN as doing so will damage the drive.
Table 3.12 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 3.12 (Default: Source mode, internal power
supply.) Refer to Switches and
Jumpers on the Terminal Board on page 87 for locating jumper S3.
Remove the jumper wire connected to the HC
terminals and connect terminals H1 and H2 as shown in Table 3.13 to use
an external power supply for a sequence
input without using a safety input.
WARNING! Electrical Shock Hazard. Be sure to remove the jumper wire connected to the HC terminals if using en external power
supply for a sequence input without using a safety input. Failure to comply will short circuit the external power supply.
Table 3.13 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
External
24 Vdc
±
10%
SC
S8
S7
24
Vdc
SP
SN
External
24 Vdc
±
10%
24 Vdc
H1
H2
HC
Jumper S3
External
24 Vdc
±
10%
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