No.
Name
Setting Range
Default
P4-11
Thrust Bearing Acceleration Time
0.0 to 600.0 s
1.0 s
While this parameter is active, the drive will display the message “Thrust Mode – Thrust Active” on the keypad and the digital
output associated with thrust mode (H2-0
o
= A9) will close. For output frequencies above P4-12, the drive standard
acceleration rates will apply and the message and digital output will clear. When this parameter is set to 0.0, the drive will use
the standard acceleration rate.
n
P4-12: Thrust Bearing Frequency
Sets the frequency used by the drive when determining which acceleration and deceleration time to use. The Thrust Bearing
function is used for applications using submersible motors. The function provides an alternate acceleration time (P4-11) and
deceleration time (P4-13) for protecting the pump bearings.
At start, the drive will use the P4-11 acceleration time until the P4-12 frequency is reached, at which time it will use the active
C1-
oo
acceleration and deceleration times. At stop, if the output frequency is above the P4-12 setting, the active C1-
oo
deceleration time will be used until the P4-12 setting is reached at which time it will use the P4-13 time setting for the rest of
deceleration.
If P4-12 is set greater than P1-06 (minimum Pump Speed), P4-12 will become the frequency lower limit. The drive PID control
must be disabled (b5-01 = 0) for this function to work.
No.
Parameter Name
Setting Range
Default
P4-12
Thrust Bearing Frequency
0.0 to E1-04
30.0 Hz
n
P4-13: Thrust Bearing Deceleration Time
Specifies the amount of time that the drive will decelerate from the value set in P4-12 until reaching 0.
No.
Name
Setting Range
Default
P4-13
Thrust Bearing Deceleration Time
0.0 to 600.0 s
5.0 s
While this parameter is active, the drive will display the message “Thrust Mode – Thrust Active” on the keypad and the digital
output associated with thrust mode (H2-0
o
= A9) will close. For output frequencies above P4-12, the drive standard
deceleration rates apply and the message and digital output will clear. When this parameter is set to 0.0, the drive will use the
standard deceleration rate.
n
P4-17: Utility Start Delay
Sets the delay time after power up until the drive will recognize a Run command present within one second of power up or
when the Run command is jumpered on the terminal strip.
This is useful in preventing a peak power surge when multiple drives power up and begin accelerating simultaneously. This
function works when the drives all have different P4-17 settings to spread out the power draw during acceleration.
If the Run command is removed and re-applied during the P4-17 time, the drive will cancel the utility start delay and
immediately begin running.
The Utility Start Delay is applied when the drive is auto-restarting after an Undervoltage (Uv) or an Overvoltage (ov) condition.
No.
Parameter Name
Setting Range
Default
P4-17
Utility Start Delay
0.0 to 1000.0 min
0.2 min
n
P4-21: Low City Input Select
Selects the type of pressure switch connected to the “Low City Press” digital input (H1-0
o
= 73).
No.
Name
Setting Range
Default
P4-21
Low City Input Select
0, 1
1
Setting 0: Normally open
Setting 1: Normally closed
n
P4-22: Low City On-Delay Time
Sets the amount of time a “Low City Pressure” condition must be present before the drive will stop.
No.
Name
Setting Range
Default
P4-22
Low City Input On-Delay Time
1 to 1000 s
10 s
5.11 P: Pump
YASKAWA
TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
233
5
Parameter Details
Содержание iQpump Micro CIMR-PW Series
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