Instruction manual

6. Programming Features

133

PID Feedback Loss Detection (n136, n137, n138)

PID Upper Limit

Sets the upper 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 De-

tection

- 0: No detection of

PID feedback loss

1: Detection of PID

feedback loss,

operation contin-

ued: FbL alarm

2: Detection of PID

feedback loss,

output turned

OFF: Fault

n137 PID Feedback Loss

Detection Level

1% 0 to 100

100%/Max. output

frequency

n138 PID Feedback Loss

Detection Time

0.1 s 0.0 to 25.5 1.0