Using The Do-A3 Option For Additional Lag Pumps - YASKAWA U1000 iQpump MATRIX Drive User Manual

4.6 U1000 iQpump Presets and Functions
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Using the DO-A3 Option for Additional Lag Pumps

The drive comes standard with three output relays capable of controlling three lag pumps. With the addition of a DO-A3 card
installed in the drive, two additional lag pumps can be controlled bring the total to five lag pumps.
n Required Control Wiring
Install the DO-A3 option card on the CN5-A, CN5-B, or CN5-C option connector on the drive. Refer to the DO-A3 Installation
Manual packaged with the option for installation and wiring instructions. The option card has two relay outputs on terminal
block 1 (TB1) and 6 photocoupler outputs on terminal block 2 (TB2). the drive uses only the relay outputs on terminal block
1.
n Start Up Procedure for Controlling a Lead Pump plus Five Lag Pumps
1.
Install and wire the DO-A3 as indicated in the option installation manual.
2.
Set all other parameters required for the application such as PI control loop, sleep, motor, and I/O parameters.
3.
Program drive parameters with the values shown in
Lag Pump Number
1
2
3
4
5
124
Table 4.7 Lag Pump Settings
Terminal Location
Control Board
DO-A3 Option
Pressure
Feedback
H3-09 = B
(PID Feedback)
P1-01 = 1
(Contactor Multiplex)
Figure 4.11 Controlling Five Lag Pumps with DO-A3 Option
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
Table 4.7 to correctly control each lag pump.
Terminal Numbers
M1-M2
M3-M4
MD-MF
M1-M2
M3-M4
Drive
M1
H2-01 = 80
M2
A2
M3
H2-02 = 81
M4
MD
H2-03 = 82
MF
M1
F5-07 = 83
M2
DO-A3
M3
F5-09 = 2
F5-08 = 84
M4
U V W
LEAD PUMP 1
Parameter
H2-01
H2-02
H2-03
F5-07
F5-08
LAG
PUMP 1
LAG
PUMP 2
LAG
PUMP 3
LAG
PUMP 4
LAG
PUMP 5
Setting
80
81
82
83
84