Yaskawa iQpump Manual Supplement - Manual (Page 49)

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