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Leeson 174624 User Manual

Leeson 174624
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25
Commissioning
4.5.4 PID Parameters
Code Possible Settings
IMPORTANT
No. Name Default Selection
P200
PID Mode 0 0 Disabled Normal-acting: As feedback
increases, motor speed decreases
Reverse-acting: As feedback
increases, motor speed increases
PID mode is disabled in Vector
Torque mode (P300 = 5)
1 Normal-acting
2 Reverse-acting
Note
To activate PID mode, one of the TB-13 inputs (P121...P123) must be
used to select the Auto Reference that matches the desired PID setpoint
reference. If the selected PID setpoint reference uses the same analog
signal as the PID feedback (P201), an F.IL fault will occur.
Example: The desired PID setpoint reference is the keypad ( and ).
Set TB-13x = 6 (Auto Reference: Keypad):
TB-13x = closed: PID mode is active
TB-13x = open: PID mode is disabled and the drive speed will be
controlled by the reference selected in P101.
p201
PID Feedback
Source
0 0 4-20 mA (TB-25) Must be set to match the PID feedback
signal
1 0-10 VDC (TB-5)
p202
PID Decimal
Point
1 0 PID Display = XXXX Applies to P204, P205, P214, P215,
P231...P233, P242, P522, P523
1 PID Display = XXX.X
2 PID Display = XX.XX
3 PID Display = X.XXX
4 PID Display = .XXXX
p204
Feedback at
Minimum Signal
0.0 -99.9 3100.0 Set to match the range of the feedback
signal being used
Example: Feedback signal is 0 - 300
PSI; P204 = 0.0, P205 = 300.0
p205
Feedback at
Maximum Signal
100.0 -99.9 3100.0
p207
Proportional Gain 5.0 0.0 {%} 100.0 Used to tune the PID loop:
Increase P207 until system becomes
unstable, then decrease P207 by
10-15%
Next, increase P208 until feedback
matches setpoint
If required, increase P209 to
compensate for sudden changes in
feedback
p208
Integral Gain 0.0 0.0 {s} 20.0
p209
Derivative Gain 0.0 0.0 {s} 20.0
Note
Derivative Gain is very sensitive to noise on the feedback signal and
must be used with care
Derivative Gain is not normally required in pump and fan applications
p210
PID Setpoint
Ramp
20.0 0.0 {s} 100.0 time of setpoint change from P204 to
P205 or vice versa.
Used to smooth the transition from
one PID setpoint to another, such as
when using the Preset PID Setpoints
(P231...P233)

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Leeson 174624 Specifications

General IconGeneral
BrandLeeson
Model174624
CategoryInverter
LanguageEnglish

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