YASKAWA iQpump Manual Supplement page 49

Duplex System: Single Transducer Connection using Analog Input A2
A2 used for pressure transducer.
24Vdc Power Supply
V+
Output
4-20mA
Outlet
Transducer
Triplex System: Transducer Connection using Analog Input A2
A2 used for water level or suction pressure transducer.
24Vdc Power Supply
V+
Output
4-20mA
Transducer
YASKAWA TM.iQp.10 iQpump Technical Manual Supplement
External
+ -
iQpump 1
A2
AC
EG
External Power Supply only
External
required when connecting 2
or more drives.
+ -
iQpump 1
+V
A2
AC
EG
O
F
F
Set S1-2 to ON Position for the last iQpump Drive on the network . All other
iQpump drives should have S1-2 set to OFF.
13 Transducer Wiring using an External Power Supply
iQpump 2
A2
AC
EG
Set S1-2 to ON Position (4-20mA) for both iQpump Drives (Factory Default)
iQpump 2
A2
AC
EG
1
O
F
F
2
S1-2
1
O
F
F
2
iQpump x
A2
AC
EG
Last drive on network
1
O
F
F
2
1
2
49