No.
(Addr.
Hex)
Name LCD Display Description Values Page
Q5-08
(0F27)
Suction Pressure
Control Minimum
Speed
Suction Min Spd
Sets the minimum speed at which the drive will run when the
drive is controlling suction pressure.
When the drive is controlling outlet pressure or this parameter
is set lower than P1-06 and P4-12, parameters P1-06 and P4-12
will be used as the minimum speed.
Default: 0.00 Hz
Min.: 0.00
Max.: 400.00
–
Q5-09
(0F28)
Low Suction Pressure
Detection Level
Low Pres Detect
Sets the level below which the suction pressure must fall for the
time set in Q5-10 to trigger a drive response according to Q5-11,
Low Suction Pressure Behavior Select.
Setting this parameter to 0.0 will disable the function.
Note: Q4-10 detection time delay is only applicable
when Q4-11 = 2 or 3. When Q5-01 = 2, Q5-10
detection time delay applies to settings 1, 2, and
3.
Default: 0.0
<1>
Min.: 0.0
Max.: 1200.0
242
Q5-10
(0F29)
Low Suction Pressure
Detection Time
Low Pres Det Tm
Sets the length of time that the water level must fall below the
level set in Q5-09 to trigger drive response. Applicable when
Q5-11 = 2 or 3. When Q5-01 = 2, Q5-10 detection time delay
applies to Q5-11 settings 1, 2, and 3.
Default: 0.1
<2>
Min.: 0.0
Max.: 300.0
243
Q5-11
(0F2A)
Low Suction Pressure
Behavior Select
Low Pressure Sel
0: No Display
1: Alarm Only
2: Fault
3: Restart (Q5-15)
Determines drive response when the suction pressure drops
below the level set in Q5-09 for longer than the time set in
Q5-10.
0: No display (digital output only)
1: Alarm only
2: Fault
3: Auto-restart (time set by Q5-15)
Note: Q5-10 detection time delay only applies to
settings 2 and 3 while Q5-01 = 1. When Q5-01 =
2, Q5-10 detection time delay applies to settings
1, 2, and 3.
Default: 1
Range: 0 to 3
243
Q5-12
(0F2B)
High Suction Pressure
Detection Level
Hi Pres Detect
Sets the level above which the suction pressure must rise for the
time set in Q5-13 to trigger a drive response according to Q5-14.
Setting this parameter to 0.0 disables the function.
Note: Q5-13 detection time delay only applies when
Q5-14 = 2 or 3.
Default: 0.0
<1>
Min.: 0.0
Max.: 1200.0
–
Q5-13
(0F2C)
High Suction Pressure
Detection Time
Hi Pres Det Tm
Sets the length of time that the water level must rise above the
level set in Q5-12 to trigger drive response. Applicable when
Q5-14 = 2 or 3.
Default: 0.1
<2>
Min.: 0.0
Max.: 300.0
–
Q5-14
(0F2D)
High Suction Pressure
Behavior Select
Hi Pressure Sel
0: No Display
1: Alarm Only
2: Fault
3: Restart (Q5-15)
Determines drive response when the suction pressure rises
above the level set in Q5-12 for longer than the time set in Q5-13.
0: No display
1: Alarm only
2: Fault
3: Auto-restart (time set by Q5-15)
Note: Q5-13 detection time delay only applies to
settings 2 and 3.
Default: 1
Range: 0 to 3
–
Q5-15
(0F2E)
Suction Pressure Auto-
Restart Time
Suction Restart
Sets the length of time that the drive will wait before attempting
an auto-restart of the Low Suction or High Suction fault.
Parameter is only effective when Q5-11 is set to 3 or Q5-14 is
set to 3 and L5-01 is greater than 0.
Default: 5.0 min
Min.: 0.1
Max.: 6000.0
–
Q5-16
(0F2F)
Suction Control
Proportional Gain
Suction P Gain
Sets the proportional gain for the suction pressure control.
Default: 2.00
Min.: 0.00
Max.: 25.00
243
Q5-17
(0F30)
Suction Control Integral
Time
Suction I Time
Sets the integral time for the suction pressure control.
Setting this parameter to 0.0 disables the suction pressure
control integrator.
Default: 5.0 s
Min.: 0.0
Max.: 360.0
243
Q5-18
(0F31)
Suction Pressure
Detection Time Unit
SuctionPresUnit
0: Minutes (min)
1: Seconds (sec)
Sets the time unit for Q5-10 and Q5-13.
0: Minutes (min)
1: Seconds (sec)
Default: 0
Range: 0, 1
–
Q5-19
(0F32)
Suction Pressure
Analog Input Wire-
Break Detection
SP Wire Break
0: No Display
1: Alarm Only
2: Fault
Sets the behavior when the analog input selected for suction
pressure feedback is programmed to receive a 4 to 20 mA signal
and the signal is lost.
0: Disabled
1: Alarm only
2: Fault (no retry, coast to stop)
Default: 2
Range: 0 to 2
–
B.13 Q: PID Controller Parameters
426
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
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