No.
(Addr.
Hex)
Name LCD Display Description Values Page
P4-11
(0D04)
Thrust Bearing
Acceleration Time
Thrust Acc. Time
Sets the time at which the drive output frequency will ramp up
to the reference frequency set in P4-12.
Default: 1.0 s
Min.: 0.0
Max.: 600.0
–
P4-12
(0D05)
Thrust Bearing
Frequency
Thrust Freq.
The drive will accelerate to this frequency in the time set to
P4-11. The drive will decelerate from the frequency in the time
set to P4-13.
WARNING! Sudden Movement Hazard. If the drive is
powered down while running, it will automatically initiate
an internal Run command upon power-up.
Default: 30.0 Hz
Min.: 0.0
Max.: [E1-04]
239
P4-13
(0D06)
Thrust Bearing
Deceleration Time
Thrust Dec Time
Sets the amount of time it takes to bring the drive from the Thrust
Frequency set in P4-12 to stop when Thrust Mode is active.
When the Run command is removed while the drive is operating
in Thrust Mode above the Thrust Frequency, the time set in this
parameter is used when the frequency reference is at or below
the thrust frequency.
Default: 5.0 s
Min.: 0.0
Max.: 600.0
–
P4-14
(0D07)
<6>
Two Motor Alternation
Selection
2Motor Alternate
0: Disabled
1: Enabled
2: Motor 1 Only
3: Motor 2 Only
Enables and disables the alternation feature
0: Disable
1: Enable
2: Motor 1 Only
3: Motor 2 Only
Default: 0
Range: 0 to 3
–
P4-15
(0D08)
<6>
Two Motor Alternation
Operation Selection
2Motor Alt Oper
0: Wait For Stop
1: Immediate
Determines drive behavior when the internal alternation timer
expires.
0: Wait For Stop
1: Immediate (Auto mode only)
Default: 0
Range: 0, 1
–
P4-16
(0D09)
<6>
Two Motor Alternation
Time
2Motor Alt Time
Sets the amount of time each motor will run before the drive
switches to the other motor.
Default: 24.0 H
Min.: 0.1
Max.: 100.0
–
P4-17
(0D0A)
Utility Start Delay Utility Delay
Sets the amount of time that the drive will delay starting if a Run
command is present at power-up.
When P1-01, Pump Mode, is set to 3 (MEMOBUS network),
the drive is unavailable to the network (Pump Off Network)
when the function is active.
Setting this parameter to 0.0 disables the function.
Default: 0.2 min
Min.: 0.0
Max.: 1000.0
239
P4-18
(0D0B)
<6>
Differential Level Differential Lvl
Sets the maximum difference allowed between the PID
Feedback and the Differential Feedback.
The drive will respond based on the setting in P4-20 when the
difference exceeds the value set in this parameter for the time
set in P4-19.
Default: 10.0
PSI
<1>
Min.: 0.0
Max.: 6000.0
–
P4-19
(0D0C)
<6>
Differential Level
Detection Time
Diff Lvl DetTime
Sets the amount of time that the difference between PID
Feedback and the Differential Feedback must exceed the P4-18
value before responding based on the P4-20 value.
Default: 10 sec
Min.: 0
Max.: 3600
–
P4-20
(0D0D)
<6>
Differential Level
Detection Selection
Diff Lvl Det Sel
0: Fault
1: Alarm
2: Digital Output
Determines drive response during a “Differential Detected”
condition.
0: Fault (and Digital Out)
1: Alarm (and Digital Out)
2: Digital Out Only
Default: 0
Range: 0 to 2
–
P4-21
(0D0E)
Low City Input Select
Low City In Sel
0: Normally Open
1: Normally Closed
Selects the type of pressure switch connected to the “Low City
Press” digital input (H1-0o = 73).
0: Normally open (closed indicates the Low City Pressure
condition)
1: Normally closed (open indicates the Low City Pressure
condition)
Default: 1
Range: 0, 1
–
P4-22
(0D0F)
Low City On-Delay
Time
Low City On Dly
Sets the amount of time a Low City Pressure condition needs to
be present before the drive will stop.
Default: 10 s
Min.: 1
Max.: 1000
–
P4-23
(0D10)
Low City Off-Delay
Time
Low City Off Dly
Sets the amount of time a Low City Pressure condition needs to
be absent before the drive will restart.
Default: 5 s
Min.: 0
Max.: 1000
–
B.12 P: Pump Parameters
410
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
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