Instruction manual

7. Programming Features
183
PID Feedback Loss Detection (n136, n137, n138)
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.
Constant
No.
Name Unit Setting Range Factory
Setting
n136
Selection for PID
Feedback Loss
Detection
-
0: No detection
of PID feed-
back loss
1: Detection of
PID feed-
back loss,
operation
continued:
FbL alarm
2: Detection of
PID feed-
back loss,
output turned
OFF: Fault
0
n137
PID Feedback
Loss Detection
Level
%
0 to 100
100% = Max.
output frequen-
cy
0
n138
PID Feedback
Loss Detection
Time
%
0.0 to 25.5
1.0