6-84
Related Constants
Con-
stant
Number
Name Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Access
Level
b5-01 PI control mode selection
0: Disabled
1: Enabled
3: PI control enabled (frequency reference + PI output)
0, 1, 3 0 No A
b5-02 Proportional gain (P)
Sets P-control proportional gain.
P-control is not performed when the setting is 0.00.
0.00
to
25.00
1.00 Yes A
b5-03 Integral (I) time
Sets I-control integral time in 1-second units.
I-control is not performed when the setting is 0.0.
0.0 to
360.0
1.0 s Yes A
b5-04 Integral (I) limit
Sets the I-control limit as a percentage of the maximum
output frequency.
0.0 to
100.0
100.0% Yes A
b5-06 PI limit
Sets the limit after PI-control as a percentage of the maxi-
mum output frequency.
0.0 to
100.0
100.0% Yes A
b5-07 PI offset adjustment
Sets the offset after PI-control as a percentage of the maxi-
mum output frequency.
-100.0
to
+100.0
0.0% Yes A
b5-08 PI delay time constant
Sets the time constant for low pass filter for PI-control out-
puts in 1-second units.
Usually not necessary to set.
0.00 to
10.00
0.00 s Yes A
b5-09 PI output characteristics selection
Selects forward/reverse direction for PI output.
0: PI output is forward.
1: PI output is reverse
0 or 1 0 No A
b5-10 PI output gain Sets output gain.
0.0 to
25.0
1.0 No A
b5-11 PI reverse output selection
0: Limit to 0 when PI output is negative.
1: Reverses when PI output is negative.
Limit to 0 is also active when reverse prohibit is selected by
b1-04.
0 or 1 0 No A
b5-12
Selection of PI feedback signal
loss detection
0: No detection of PI feedback loss.
1: Detection of PI feedback loss.
Operation continues during detection, the fault contact
is not operated.
2: Detection of PI feedback loss.
The motor coasts to stop at detection, and the fault
contact operates.
0 to 2 0 No A
b5-13 PI feedback loss detection level
Sets the PI feedback loss detection level as percentage
using the maximum output frequency as 100%.
0 to 100 0% No A
b5-14 PI feedback loss detection time Sets the PI feedback loss detection time.
0.0 to
25.5
1.0 s No A
b5-15 Sleep function operation level Sets the sleep function start level as a frequency.
0.0 to
200.0
0.0 Hz No A
b5-16 Sleep operation delay time Sets the delay time until the sleep function starts.
0.0 to
25.5
0.0 s No A
b5-17 Accel/decel time for PI reference Sets the accel/decel time for the PI Softstarter (SFS).
0.0 to
25.5
0.0 s No A
b5-18 PI Setpoint Selection
0: Disabled
1: Enabled
0 to 1 0 No A
b5-19 PI Setpoint PI-target value
0.00 to
100.00%
0YesA
b5-20 PI Setpoint Scaling
Sets the unit for b5-19, U1-38 and U1-24
0: 0.01 Hz
1: 0.01% (the maximum output frequency E1-04 is taken as
100%.
2 – 39: rpm, set value is equal to motor poles
40 – 39999: User desired display
0 to 39999 0 No A
Sets the display value
for 100 %.
Sets the number of
decimal digits.
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