YASKAWA iQpump1000 - Page 141

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Software Multiplexing Setup
Wiring the Drive RS-485 Network Connections
R+ R- S+ S-
iQpump
RS-485 Network
Pump
R+ R- S+ S-
iQpump
Pump
R+ R- S+ S-
iQpump
Pump
R+ R- S+ S-
iQpump
Pump
Process Supply
Reservoir
Figure 4.18 System Overview
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 Figure
4.19.
R+ S+R- S-
Drive X
Figure 4.19 Drive Terminal Jumpers
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
+
S
+
R
-
S
-
Drive
3
R
+
S
+
R
-
S
-
Drive
2
R
+
S
+
R
-
S
-
Drive
1
Figure 4.20 Daisy Chain Three Drives
4.5 iQpump Presets and Functions
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
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Start-Up Programming & Operation