Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual page 102

Note: 1. When more accurate control is required for your application, set the other parameters as
appropriate.
2. Because of the learning system, this control is not valid at the first time in the optimum
acceleration/deceleration mode. Also, this mode is only valid for frequency setting of 30.01Hz or
more.
3. When the advanced magnetic flux vector control has been selected using Pr. 80 and Pr. 81, the
settings of the energy-saving mode and elevator mode are ignored. (Advanced magnetic flux
vector control has higher priority.)
4. If an overvoltage
acceleration/deceleration mode (setting "3"), re-set Pr. 8 "deceleration time" to a larger value and
restart operation in this mode.
5. When the "energy-saving mode" (setting "4") is used to decelerate the motor to a stop, the
deceleration time may be longer than the preset value. Also, overvoltage is likely to occur in this
mode as compared to the constant-torque load characteristics, set the deceleration time to a
longer value.
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(OV3) trip has occurred
89
PARAMETERS
during operation in the optimum