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Mitsubishi Electric FR-CS84-012 Instruction Manual Page 141

Freqrol-cs80.
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• The following is the operation example during External operation.
Output frequency
Analog input
20mA
4mA
STF
LF signal
• The following is the operation example during PID control (reverse action) operation.
Output frequency
20mA
Set point (fixed)
Measured value
4mA
STF signal
LF signal
PID signal
NOTE
• When the setting is changed to the continuous operation (Pr.573 = "1") after the input current loss, the frequency before loss
is regarded as 0 Hz.
 Fault output (Pr.573 = "2")
• When the analog current input becomes 2 mA or lower, the protective function E.LCI (4 mA input fault) is 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 signal
LF signal
PID signal
ALM signal
140
5. PARAMETERS
5.8 (T) Multi-function input terminal parameters
Pr.573 = 1 : Operation continued with the frequency
before being lost
Return
Input current
decrease
3mA
2mA
Pr.573 = 1 : Operation continued with the
frequency before being lost
Input current
decrease
Return
3mA
2mA
On during input decrease
E.LCI occurs
Input current
decrease
Return
3mA
2mA
Time
Time
Time

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