n
b5-15: PI Sleep Function Start Level
Sets the level that triggers PI Sleep/Snooze.
The drive goes into Sleep/Snooze mode if the PI output or frequency reference is smaller than b5-15 for longer than the time
set to b5-16. The drive resumes operation when the PI output or frequency reference is above b5-15 for longer than the time
set to b5-16.
No.
Name
Setting Range
Default
b5-15
PI Sleep Function Start Level
0.0 to 240.0 Hz
0.0 Hz
n
b5-16: PI Sleep Delay Time
Sets the delay time to activate or deactivate the PI Sleep/Snooze function.
No.
Name
Setting Range
Default
b5-16
PI Sleep Delay Time
0.0 to 25.5 s
0.0 s
n
b5-17: PI Accel/Decel Time
The PI acceleration/deceleration time is applied on the PI setpoint value.
When the setpoint changes quickly, the normal C1-
oo
acceleration times reduce the responsiveness of the system as they
are applied after the PI output. The PI accel/decel time helps avoid the hunting and overshoot and undershoot that can result
from the reduced responsiveness.
The PI acceleration/deceleration time can be canceled using a digital input programmed for “PI SFS cancel” (H1-
oo
= 34).
No.
Name
Setting Range
Default
b5-17
PI Accel/Decel Time
0.0 to 6000.0 s
0.0 s
n
b5-18: PI Setpoint Selection
Enables or disables parameter b5-19 for PI setpoint.
No.
Parameter Name
Setting Range
Default
b5-18
PI Setpoint Selection
0, 1
0
Setting 0: Disabled
Parameter b5-19 is not used as the PI setpoint.
Setting 1: Enabled
Parameter b5-19 is used as PI setpoint.
n
b5-19: PI Setpoint Value
Used as the PI setpoint if parameter b5-18 = 1.
No.
Name
Setting Range
Default
b5-19
PI Setpoint Value
0.00 to 600.00%
0.00%
Note:
Unit and resolution for b5-19 are determined by b5-20 and b5-39.
The following conditions apply to drives with software PRG: 1014 and later. Parameter b5-19 is internally limited to b5-38.
Changing b5-20, b5-38 and b5-39 will not automatically update the value of b5-19.
n
b5-20: PI Setpoint Scaling
Determines the units for the PI Setpoint Value (b5-19) and monitors U5-01 and U5-04.
No.
Parameter Name
Setting Range
Default
b5-20
PI Setpoint Scaling
0 to 3
1
Setting 0: Hz
The setpoint and PI monitors are displayed in Hz with a resolution of 0.01 Hz.
5.2 b: Application
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
135
5
Programming
Содержание Z1000 CIMR-ZU*A Series
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