Mitsubishi Electric FR-A800, Instruction Manual

Page: 491 / 1042

Parameters (H) Protective function parameter
FR-A800 5 - 311
NOTES To operate with a frequency higher than 60 Hz using frequency-setting analog signals, change the
Pr. 125 (Pr. 126) (frequency setting gain) setting. Simply changing the Pr. 1 and Pr. 18 settings does
not enable operation at a frequency higher than 60 Hz.
During Real sensorless vector control, vector control, and PM sensorless vector control, the upper
and lower limits are for the commanded frequency.
When Pr. 15 "Jog frequency" setting is equal to or less than Pr. 2 setting, the Pr. 15 setting has prec-
edence over the Pr. 2 setting.
When stall prevention is activated to decrease the output frequency, the output frequency may
drop to Pr. 2 or below.
If a jump frequency that exceeds Pr. 1 (Pr. 18) "Maximum frequency" is set for the 3-point jump, the
maximum frequency setting is the set frequency. If the set frequency is less than the jump fre-
quency Pr. 2 "Minimum frequency", the jump frequency is the set
frequency. (The set frequency can be equal to or lower than the frequency lower limit.)
E
CAUTION:
When Pr. 2 is set to a value equal to or higher than Pr. 13 "Starting frequency", simply turning
ON the start signal will run the motor at the frequency set in Pr.2 even if the command frequency
is not input.
Parameters referred to
Pr. 13 Starting frequency => page 5-251, page 5-253
Pr. 15 Jog frequency => page 5-286
Pr. 125 Terminal 2 frequency setting gain frequency => page 5-401
Pr. 126 Terminal 4 frequency setting gain frequency => page 5-401