Mitsubishi Electric FR-F740 EC Instruction Manual page 199

Parameter
frequency
Pr. 49
prevention
Pr. 49
frequency
Stall
prevention
level
When Pr. 49 ≠ "9999" (level changed according to frequency) and Pr. 48 = 0%, the stall pre-
NOTES
vention operation level is 0% at or higher than the frequency set in Pr. 49.
In the initial setting, the RT signal is assigned to the RT terminal. By setting "3" to any of
Pr. 178 to Pr. 189 "Input terminal function selection", you can assign the RT signal to the
other terminal.
Changing the terminal assignment using Pr. 178 to Pr. 189 "Input terminal function selec-
tion" may affect the other functions. Please make setting after confirming the function of
each terminal.
The RT signal acts as the second function selection signal and makes the other second
functions valid.
FR-F700 EC
f > Pr. 49
set
Output
frequency [Hz]
Output frequency
Set
Stall
Pr. 22
used
level
≤ Pr. 49
f
set
Output
frequency [Hz]
Output frequency
Set
Pr. 22
used
Fig. 6-7:
Stall prevention level, when the set frequency
exceeds the value of Pr. 49
Time
Pr. 48
used
Fig. 6-8:
Stall prevention level, when the set frequency
is equal to or less than the value of Pr. 49
Time
Pr. 48
used
Motor torque
I001123E
I001124E
6 - 49