Operating Instructions

Descriptions of Parameter Settings
Descriptions of Parameter Settings
203 | 443
This parameter sets the detection time for abnormal PID signal feedback. You can also use it when the system
feedback signal response is extremely slow. (Setting the detection time to 0.0 disables the detection function.)
Pr.
Explanation
Settings
Default
08-09
Feedback signal fault treatment
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: Warn and operate at last frequency
0
Valid only when the feedback signal is ACI (4–20 mA).
Sets the treatments when the PID feedback signal is abnormal.
Pr.
Explanation
Settings
Default
08-10
Sleep frequency
0.00 to 599.00 Hz
0.00
Determines the sleep frequency, and if the sleep time and the wake-up frequency are enabled or disabled.
Pr.08-10 = 0: Disabled; Pr.08-10 ≠ 0: Enabled
Pr.
Explanation
Settings
Default
08-11
Wake-up frequency
0.00 to 599.00 Hz
0.00
When Pr.08-18=0, the unit for Pr.08-10 and that for Pr.08-11 switch to frequency. The settings are between 0.00–
599.00 Hz.
When Pr.08-18=1, the unit for Pr.08-10 and that for Pr.08-11 switch to percentage. The settings are between 0.00–
200.00%.
The percentage is based on the current command value, not the maximum value. For example, if the maximum
value is 100 kg, and the current command value is 30 kg, then if Pr.08-11=40%, the value is 12 kg.
Pr.08-10 uses the same logic for calculation.
Pr.
Explanation
Settings
Default
08-12
Sleep time
0.0 to 6000.0 sec.
0.0
When the Frequency command is smaller than the sleep frequency and less than the sleep time, the Frequency
command is equal to the sleep frequency. However, the Frequency command remains at 0.00 Hz until the
Frequency command becomes equal to or larger than the wake-up frequency.
Pr.
Explanation
Settings
Default
08-13
PID feedback signal error
deviation level
1.0 to 50.0%
10.0
08-14
PID feedback signal error
deviation detection time
0.1 to 300.0 sec.
5.0
08-15
PID feedback signal filter time
0.1 to 300.0 sec.
5.0
When the PID control function is normal, it should calculate the value within a period of time that is close to the
target value.
Refer to the PID control diagram for details. When executing PID feedback control, if |PID reference target value -
detection value| > Pr.08-13 PID Feedback Signal Error Deviation Level and time exceeds Pr.08-14 setting, it is
regarded as a PID control fault, and the multi-function output terminal setting 15 (PID feedback error) activates.