Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 197)

n Software (MEMOBUS) 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 4.20 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
4.21 .
R+ S+ R- S-
Drive X
Figure 4.21 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 4.22 .
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 4.22 Daisy Chain Three Drives
4.5 iQpump Presets and Functions
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide 197
4
Start-Up Programming & Operation