Mitsubishi Electric FR-A820-00046 Instruction Manual page 870

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(G) Control parameters
Overcurrent prevention function (Pr. 662)
● The overcurrent prevention function is valid under V/F control and Advanced magnetic flux vector
control.
● Increased magnetic excitation rate is lowered automatically when the output current exceeds Pr.
662 at the time of increased magnetic excitation deceleration.
● When the inverter protective function (E.OC , E.THT) operates due to increased magnetic excita-
tion deceleration, adjust with Pr. 662.
● Overcurrent preventive function will be disabled when Pr. 662= "0".
NOTE
When set to Pr. 662 > Pr. 22 "Stall prevention operation level", overcurrent preventive function will
operate at the setting value of Pr. 22. (Operates at Pr. 622 when Pr. 22 = "0")
Parameters referred to
Pr. 22
Pr. 30
Pr. 60
Pr. 162
Pr. 270
Pr. 261
Pr. 350
5 - 690
Stall prevention operation level
Regenerative function selection
Energy saving control selection
Automatic restart after instantaneous power failure selection
Stop-on contact/load torque high-speed frequency control
selection
Power failure stop selection
Stop position command selection
Parameters
=>
page 5-84
=>
page 5-675
=>
page 5-659
=>
page 5-562, page 5-571
=>
page 5-489
=>
page 5-580
=>
page 5-503

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