Yaskawa iQpump Micro Manuel d'utilisateur Page 117

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Description
Jockey Pump
<1>
Drive B
<1>
Drive C
<1>
Pump Mode: 3 (Network) P1-01 = 3 P1-01 = 3 P1-01 = 3
Feedback Source: 0 (Analog), 3
(Network)
P9-02 = 0 P9-02 = 3 P9-02 = 3
Lag Drive Speed: 0 (Always), 2
(Turn Off)
P9-05 = 2 P9-05 = 0 P9-05 = 0
Allow Net Run: 0 (Always), 2 (First
Only)
P9-20 = 2 P9-20 = 0 P9-20 = 0
Run Priority P9-21 = 7 P9-21 = 8 P9-21 = 8
Lead Swap @ Sleep P9-24 = 0 P9-24 = 1200 s P9-24 = 1200 s
Setpoint U5-99 = 100 PSI U5-99 = 100 PSI U5-99 = 100 PSI
Start Level P1-04 = 80 PSI P1-04 = 80 PSI P1-04 = 80 PSI
<1> All other multiplexing and alternation parameters are set to default settings.
Triplex System Example
A customer who currently runs a duplex system would like to retrofit an existing triplex system with the following requirements:
Three similarly sized pumps would run the system.
A maximum of two drives should be running at any point; the third drive is a backup.
Alternation should only happen when pumps are not running (sleeping).
If one of the analog pressure feedback transducers should fail, read from a working one and notify the customer of the failure
by the alarm display.
Setpoint is 90 PSI, feedback scale is 145 PSI, start level is 75 PSI.
Drive A
25 HP
R+ S+ S-R-
A2
AC
+V
A1
SN
S1
Drive B
25 HP
R+ S+ S-R-
A2
AC
+V
A1
SN
S1
SYSTEM PRESSURE
FEEDBACK
Drive C
25 HP
R+ S+ S-R-
A2
AC
+V
A1
SN
S1
SYSTEM PRESSURE
FEEDBACK
SYSTEM PRESSURE
FEEDBACK
Figure 4.18 Simplified Wiring Diagram
Table 4.14 Related Parameters for Triplex System Example
Description
Drive A
<1>
Drive B
<1>
Drive C
<1>
Node Address H5-01 = 1 H5-01 = 2 H5-01 = 3
Highest Node Address P9-25 = 3 P9-25 = 3 P9-25 = 3
Pump Mode: 3 (Network) P1-01 = 3 P1-01 = 3 P1-01 = 3
Feedback Source: 2 (Analog ->Net,
with Alarm)
P9-02 = 2 P9-02 = 2 P9-02 = 2
Alternation Mode: 3 (FIFO @ Sleep) P9-04 = 3 P9-04 = 3 P9-04 = 3
Maximum Running Pumps P9-23 = 2 P9-23 = 2 P9-23 = 2
Setpoint U5-99 = 90 PSI U5-99 = 90 PSI U5-99 = 90 PSI
Start Level P1-04 = 75 PSI P1-04 = 75 PSI P1-04 = 75 PSI
<1> All other multiplexing and alternation parameters are set to default settings.
4.7 iQpump Presets and Functions
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
117
4
Start-Up Programming
& Operation
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