YASKAWA iQpump1000 User Manual page 128

3.9 Control I/O Connections
Duplex System: Single Transducer Connection using Analog Input A2
A2 used for pressure transducer.
4-20 mA
Outlet
Transducer
Output
Set Jumper S1 to the "I" Position (4-20 mA) for both iQpump drives (default).
Triplex System: Transducer Connection using Analog Input A2
A2 used for water level or suction pressure transducer.
External 24 Vdc
Power Supply
4-20 mA
Transducer
V+
Output
128
External 24 Vdc
Power Supply
+ -
V+
+ - Drive 1
Control
Terminal
Block
A2
AC
E(G)
Jumper S1
A1 A2 A3
Drive 1
Control
Terminal
Block
A2
AC
E(G)
Drive 2
Control
Terminal
Block
A2
AC
E(G)
Jumper S1
V
I
A1 A2 A3
Set jumper S1 to the "I" position for the last iQpump drive on the network.
All other iQpump drives should have S1 set to the "V" position.
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
Drive 2
Control
Terminal
Block
A2
AC
E(G)
Jumper S1
V
I
A1 A2 A3
Drive X
Control
Terminal
Block
A2
AC
E(G)
Last drive on network
Jumper S1
V
I
A1 A2 A3
V
I