5.2 b: Application
210 YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual
Setting 1: 0.01% (100.00%: Maximum Frequency)
The setpoint and PID monitors are displayed as a percentage with a resolution of 0.01%.
Setting 2: min
-1
(set the motor poles)
The setpoint and PID monitors are displayed in min
-1
with a resolution of 1 min
-1
.
Setting 3: User Defined (determined by b5-38 and b5-39)
Parameters b5-38 and b5-39 determine the units and resolution used to display the values the setpoint in b5-19, and PID
monitors U1-01 and U1-04.
■
b5-34: PID Output Lower Limit
Sets the minimum possible PID controller output as a percentage of the maximum output frequency (E1-04). The lower
limit is disabled when set to 0.00%.
■
b5-35: PID Input Limit
Sets the maximum allowed PID input as a percentage of the maximum output frequency (E1-04). Parameter b5-35 acts as
a bipolar limit.
■
b5-38, b5-39: PID Setpoint User Display, PID Setpoint Display Digits
When parameter b5-20 is set to 3, the parameters b5-38 and b5-39 can be used to set a user defined display for the PID
setpoint value (b5-19) and PID feedback monitors (U5-01, U5-04).
Parameter b5-38 determines the display value when the maximum frequency is output. Parameter b5-39 determines the
number of digits. The setting value is equal to the number of decimal places.
■
b5-40: Frequency Reference Monitor Content During PID
Sets the content of the frequency reference monitor display (U1-01) when PID control is active.
Setting 0: Frequency Reference after PID
Monitor U1-01 displays the frequency reference including the output of the PID controller.
Setting 1: Frequency Reference
Monitor U1-01 displays the frequency reference value.
■
b5-47: PID Output Reverse Selection 2
Determines whether a negative PID output reverses the direction of drive operation. When the PID function is used to
trim the frequency reference (b5-01 = 3 or 4), this parameter has no effect and the PID output will not be limited (same as
b5-11 = 1).
Setting 0: Reverse Disabled
Negative PID output will be limited to 0 and the drive output will be stopped.
No. Name Setting Range Default
b5-34 PID Output Lower Limit -100.0 to 100.0% 0.00%
No. Name Setting Range Default
b5-35 PID Input Limit 0.0 to 1000.0% 1000.0%
No. Name Setting Range Default
b5-38 PID Setpoint User Display 1 to 60000 Determined by b5-20
b5-39 PID Setpoint Display Digits 0 to 3 Determined by b5-20
No. Name Setting Range Default
b5-40 Frequency Reference Monitor Content During PID 0 or 1 0
No. Name Setting Range Default
b5-47 PID Output Reverse Selection 2 0, 1 1
SIEP_C710636_02B_1_0.book 210 ページ ２０１５年１１月２５日 水曜日 午後４時５６分
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