I/O Connections; I/O Connections; Sinking/Sourcing Mode Switch - YASKAWA T1000V Technical Manual

3.8 I/O Connections

3.8

I/O Connections

◆ 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.
Set Value
SINK
SOURCE
Figure 3.18
■ 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.
Figure 3.19
62
Table 3.11 Sinking/Sourcing Mode Setting
Figure 3.18 DIP Switch S3
SINK
Forward run/stop
Reverse run/stop
SOURCE
External fault N.O.
Fault reset
Multi-speed step 1
Multi-speed step 2
Figure 3.19 Sinking Mode: Sequence from NPN Transistor (0 V Common)
Sinking Mode (0 V common): default setting
Sourcing Mode (+24 V common)
DIP Switch S3
SINK
SOURCE
Shielded cable
S1
S2
S3
S4
S5
S6
S3
SC
YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
Details
Drive
SINK
+24V
SOURCE