Mitsubishi Electric 800 Series Instruction Manual page 414

Fault output (Pr.573 = "2")
• When the analog current input becomes 2 mA or lower, 4 mA input fault (E.LCI) will be activated and the output is shut off.
• The following is the operation example during PID control (reverse action) operation.
Output frequency
20mA
Set point (fixed)
Measured value
4mA
STF
LF signal
PID signal
ALM signal
Fault output after deceleration to stop (Pr.573 = "3")
• When the analog current input becomes 2 mA or lower, 4 mA input fault (E.LCI) will be activated after the deceleration stop
and the output is shut off.
• When the analog current input is restored during the deceleration, it will accelerate again and operate according to the
current input.
• The following is the operation example during PID control (reverse action) operation.
Output frequency
20mA
Set point (fixed)
Measured value
4mA
STF
LF signal
PID signal
ALM signal
• The following is the operation example when the analog input current is restored during deceleration under PID control
(reverse action).
Output frequency
20mA
Set point (fixed)
Measured value
4mA
STF
LF signal
PID signal
(T) Multi-Function Input Terminal Parameters
E.LCI occurs
Input current
decrease
Return
3mA
2mA
Decelerates as the input current is lost
After deceleration stop, E.LCI occurs
Input current
decrease
Return
3mA
2mA
Decelerates as the input current is lost
Normal operation after the current is restored
Input current
decrease
Return
3mA
2mA
OFF during
deceleration
Time
Time
Time
413
PARAMETERS
5
GROUP
T