Mitsubishi Electric fr-e700 series, Instruction Manual

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Parameter Special operation
FR-E700 SC EC/ENE 6 - 297
Reverse action
Increases the manipulated variable fi (output frequency) if deviation X = (set point measured value)
is positive, and decreases the manipulated variable if deviation is negative.
Forward action
Increases the manipulated variable (output frequency) if deviation X = (set point measured value) is
negative, and decreases the manipulated variable if deviation is positive.
Relationships between deviation and manipulated variable (output frequency).
I000047C
Fig. 6-150: Heater
I000048C
Fig. 6-151: Cooling
Deviation
Positive Negative
Reverse action
Forward action
Tab. 6-112: Relationships between deviation and manipulated variable
Set point
Deviation
Feedback signal
(measured value)
Set point
Measured value
Cold fi increased
Hot fi decreased
Set point
Deviation
Feedback signal
(measured value)
Set point
Measured value
Too Cold fi decrease
Hot fi increase