YASKAWA iQpump1000 Quick Start Manual page 141

n Software Multiplexing Setup
Wiring the Drive RS-485 Network Connections
Reservoir
Perform the following steps to make the RS-485 network connections between all drives that will be multiplexed:
1.
Jumper terminals (R+ to S+) and jumper terminals (R- to S-) terminals on each individual drive according to
4.19.
2.
Use shielded communication cable for steps 3 and 4 to connect the drives in a daisy chain manner according to
Figure 4.20.
3.
Daisy chain the (R+ to S+) terminals between each drive.
4.
Daisy chain the (R- to S-) terminals between each drive.
R+
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
Pump Pump
iQpump iQpump
R+ R- S+ S- R+ R- S+ S-
Figure 4.18 System Overview
R+
Figure 4.19 Drive Terminal Jumpers
Drive 1
R- S + S- R+
Figure 4.20 Daisy Chain Three Drives
4.5 iQpump Presets and Functions
Process Supply
Pump
iQpump iQpump
R+ R- S+ S- R+ R- S+ S-
RS-485 Network
Drive X
R- S+ S-
Drive 2
R- S+ S- R+
Pump
Drive 3
R- S+ S-
Figure
4
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