3.8 I/O Connections
u
Sinking/Sourcing Mode Switch
Set the DIP switch S3 on the front
of the drive to switch the digital input terminal logic between sinking mode and sourcing
mode; the drive is preset to sinking mode.
Table 3.11 Sinking/Sourcing Mode Setting
Set Value Details
SINK Sinking Mode (0 V common): default setting
SOURCE Sourcing Mode (+24 V common)
Figure 3.23 DIP Switch S3
n
Transistor Input Signal Using 0 V Common/Sink Mode
When controlling the digital inputs by NPN transistors (0 V common/sinking mode), set the DIP switch S3 to SINK and
use the internal 24 V power supply.
Drive
Shielded cable
Forward run/stop
Reverse run/stop
External fault N.O.
Fault reset
Multi-speed step 1
Multi-speed step 2
Jog reference
Multi-function input
S1
S2
S3
S3
+24V
S4
S5
S6
S7
SC
SINK
SOURCE
SINK
SOURCE
Figure 3.24 Sinking Mode: Sequence from NPN Transistor (0 V Common)
3.8 I/O Connections
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
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Electrical Installation