B.12 P: Pump Parameters
u
P1: Pump Basic
No.
(Addr.
Hex)
Name LCD Display Description Values Page
P1-01
(0C00)
Pump Mode
Pump Mode
0: Drive Only
3: Memobus Network
0: Drive only
3: MEMOBUS network
Default: 0
Range: 0, 3
223
P1-02
(0C01)
System Units
System Units
0: No Unit
1: PSI :lb/SqrInch
2: Pa:Pascals
3: Bar:Bar
4: "WC:InchOfWater
5: "Hg:Inch Mercury
6: ft: feet
7: m: meters
8: °F:DegFarenheit
9: °C:DegCelsius
10: %: Percent
0: No unit
1: PSI: Pounds per square inch
2: Pa: Pascals
3: Bar: Bar
4: ”WC: Inch of water
5: ”Hg: Inch of Mercury
6: ft: feet
7: m: meters
8: °F: Degrees Fahrenheit
9: °C: Degrees Celsius
10: Percent
Default: 1
Range: 0 to 10
223
P1-03
(0C02)
Feedback Device
Scaling
Fb Device Scaling
Sets the scaling of feedback device in user-set units. Default: 145.0
PSI
<2>
Min.: 0.1
Max.: 6000.0
223
P1-04
(0C03)
Start / Draw Down
Level
Start-DrawDn Lvl
The system starts when the feedback level drops below the start
level for the time set in P1-05. This level also specifies the wake-
up level when the drive is in Sleep Mode.
When this parameter is set to a negative value, the feedback level
must drop that amount below the setpoint.
Setting this parameter to 0.0 disables the function. When P1-01,
Pump Mode, is set to 3 (MEMOBUS network), this function is
active only on the first drive in the network.
Note: When PID operates in reverse mode, the system
will start when the feedback has risen above the
start level for the time set to P1-05.
Default: 0.0 PSI
<2>
Min.: -999.9
Max.: 999.9
224
P1-05
(0C02)
Start Level Delay Time S-Lev Delay Time
The system starts when the feedback level drops below the start
level for the time set in this parameter.
Default: 1 s
Min.: 0
Max.: 3600
224
P1-06
(0C05)
Minimum Pump Speed Min. Pump Speed
Minimum frequency at which the drive will run. Applies to both
HAND and AUTO modes.
Note: For minimum pump frequency, the drive will use
the highest setting from among P1-06, P4-12
(Thrust Bearing Frequency), or d2-02 (Reference
Lower Limit).
Default: 40.0 Hz
<3>
Min.: 0.0
Max.: [E1-04]
224
P1-07
(0C06)
<3>
Minimum Pump Speed
Units
MinPumpSpdUnits
0: Hz
1: RPM
Sets the units and decimal place for parameter P1-06.
0: Hz
1: RPM
Note: Changing this parameter will reset the P1-06
default value.
Default: 0
Range: 0, 1
224
P1-08
(0C07)
Low Feedback Level Low FB Level
Sets the lower detection level for the PID feedback.
Default: 0.0 PSI
<2>
Min.: 0.0
Max.: 6000.0
224
P1-09
(0C08)
Low Feedback Level
Fault Delay Time
Low Lvl FLT Time
Sets the amount of delay time from when the low feedback is
detected until the drive faults on an “LFB Low Feedback” fault.
Note: This parameter is effective only when P1-10 is set
to 0 (Fault).
Default: 10 s
Min.: 0
Max.: 3600
224
P1-10
(0C09)
Low Feedback
Selection
Low FB Sel
0: Fault
1: Alarm
2: Digital Output
Selects drive response during the “Low Feedback” condition.
0: Fault
1: Alarm
2: Digital out only
Default: 0
Range: 0 to 2
224
B.12 P: Pump Parameters
356
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
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