Mitsubishi Electric FR-A700 Instruction Manual page 275

Parameter
P/PI switchover (X44 signal)
● By turning the P/PI control switching signal (X44) on/off during seed control operation under
real sensorless vector control or vector control, you can select whether to add the integral
time (I) or not when performing gain adjustment with P gain and integral time.
When the X44 signal is off
When the X44 signal is on
● For the terminal used for X44 signal input, set "44" in any of Pr. 178 to Pr. 189 "Input terminal
function selection" to assign the function.
command
Fig. 6-18: Function block diagram]
NOTE Changing the terminal assignment using Pr. 178 to Pr. 189 "Input terminal function
selection" may affect the other functions. Make setting after confirming the function of each
terminal.
FR-A700 EC
Ramp
generator
Speed
Speed control by real sensorless vector control, vector control
PI control
P control
Speed
proportional
operation
X44 OFF
X44 ON
Current
control
Speed
integral
operation
Speed estimator
Motor
I001510E
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