Control I/O Connections - YASKAWA A1000 Series Quick Start Manual

3 Electrical Installation
NOTICE: The signal lines between the drive and the operator station or peripheral equipment should not exceed 50 meters when
using an analog signal from a remote source to supply the frequency reference. Failure to comply could result in poor system
performance.

◆ Control I/O Connections

Sinking/Sourcing Mode Switch for Digital Inputs
■
Set jumper S3 to select between sinking/sourcing mode, and internal or external power supply. Signal levels are the same
for terminals S1 through S8 and the safety inputs. The drive is preset to sinking mode.
Figure 38
Sink Mode (0 V Common), Internal Power Supply
When controlling the digital inputs by NPN transistors (0 V common/sinking mode) or contacts using the drive internal
power supply, position the jumper S3 for sinking as shown in
Figure 39
Source Mode (+24 V Common), Internal Power Supply
When controlling digital inputs by PNP transistors (+24 V common/sourcing mode) or contact inputs using the drive
internal power supply, set jumper S3 for sourcing as shown in
Figure 40
48
Figure 38 Jumper S3
S7
S8
SC
Figure 39 Sinking Mode (0 V Common), Internal Power Supply
S7
S8
SC
Figure 40 Source Mode (+24 V Common), Internal Power Supply
YASKAWA ELECTRIC TOEP C710616 21C YASKAWA AC Drive - A1000 Quick Start Guide
Figure 39.
YEC_common
IP24 V
(24 V)
Figure 40.
IP24 V
(24 V)
YEC_common
YEC_common