Instruction manual

109
• PID Feedback Loss Detection (n136, n137, n138)
Constant
No.
n137
Name
PID feedback loss
detection level
Unit
%
Setting
Range
0 to 100
100% / Max. output frequency
Initial
Setting
0
n136
Selection of PID
feedback loss
detection
–
0
n138
PID feedback loss
detection time
% 0.0 to 25.5
1.0
0 : No detection of
PID feedback loss
1 : Detection of PID
feedbak loss
(Operation continued:
FbL alarm)
2 : Detection of PID
feedback loss
(Output shut down: fault)
• PID Limit
Sets the limit after PID control as a percentage of the maximum output
frequency.
• Prohibition of PID output
Zero limit occurs when the PID output is negative.
• PID Output Gain (n163)
Constant
No.
n163
Name
PID output gain
Unit
Multiples
Setting
Range
0.0 to 25.0
Initial
Setting
1.0
This constant adjusts the output gain.
• PID Feedback Value Adjusting Gain (n129)
Constant
No.
n129
Name
PID feedback gain
Unit
Multiples
Setting
Range
0.00 to 10.00
Initial
Setting
1.00
Constant n129 is the gain that adjusts the feedback value.