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Parameter b5-91, EZ Minimum Speed, acts as a lower limit on the PID output. This value is internally limited to the higher
value between b5-34 or d2-02 and is active regardless of the b5-89 setting. When this limit is active, the PID integrator will
be held to avoid integral wind-up. Parameter b5-90 determines whether the value is input in Hz or RPM.
Sleep
When the output frequency (or speed) is at or below the EZ Sleep Level (b5-92) for the time set in EZ Sleep Time (b5-93),
the drive will sleep. The EZ Sleep Level is internally lower limited to the b5-92 setting.
Wake-up using Absolute Level (b5-95 = 0)
For Normal Acting PID, the PID Feedback must drop below the EZ Wake-up Level (b5-94) for the time set in EZ Wake-up
Time (b5-96) in order for the drive to wake-up.
For Reverse Acting PID, the PID Feedback must rise above the b5-94 level for the time set in b5-96 in order for the drive to
wake-up.
Wake-up using Setpoint Delta Level (b5-95 = 1)
For Normal Acting PID, the wake-up level is determined by the PID Setpoint minus the b5-94 level. The PID Feedback must
drop below the wake-up level for the time set in b5-96 in order for the drive to wake-up
For Reverse Acting PID, the wake-up level is determined by the PID Setpoint plus the b5-94 level. The PID Feedback must
rise above the wake-up level for the time set in b5-96 in order for the drive to wake-up.
Refer to
for detailed diagrams of EZ Sleep/Wake-up functions.
for descriptions of EZ Sleep/Wake-up parameters.
PID Set-point
Run Command
Output Frequency
Wake-up Level <1>
b5 -96
Minimum Speed
(b5-91) <2>
b5 -93
b5 -93
Wake-up
Level
reached
Wake-up
Timer
expired
Sleep
Level
reached
Sleep
Level
reached
Sleep
Timer
expired
Above
Sleep
Level
b5-9 6
b5-9 6
b5-96
Wake-up
Level
reached
Wake-up
Timer
expired
Wake-up
Level
reached
Wake-up
Level
reached
Above
Wake-up
Level
Above
Wake-up
Level
<1> Determined by EZ Wake-up Level (b5-94) and EZ Wake-up Mode (b5-95)
<2> EZ Sleep Level (b 5-92) is left at default (0.0 Hz), thus effectively making b 5-91 the Sleep Level
PID Feedback
Sleeping
Sleeping
Figure 4.14 EZ Sleep/Wake-up with Normal Acting PID and b5-92 = 0.0 Hz
4.6 Basic Drive Setup Adjustments
YASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide
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Start-Up Programming & Operation
Содержание P1000
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