FR-A701 INSTRUCTION MANUAL (Applied) - Automation Systems ...

Adjust the output torque (current) of the motor(2) Set multiple torque boost (RT signal, X9 signal, Pr. 46, Pr. 112)⋅ Use the second (third) torque boost when changing the torque boost according to application or when usingmultiple motors by switching between them by one inverter.⋅ Pr. 46 Second torque boost is made valid when the RT signal turns on.⋅ Pr. 112 Third torque boost is valid when the X9 signal is on. For the terminal used for X9 signal input, set "9" in any ofPr. 178 to Pr. 189 (input terminal function selection) to assign the X9 signal function.REMARKS⋅ The RT(X9) signal acts as the second (third) function selection signal and makes the other second (third) functions valid.(Refer to page 210)⋅ The RT signal is assigned to the RT terminal in the default setting. By setting "3" in any of Pr. 178 to Pr. 189 (input terminal functionselection), you can assign the RT signal to the other terminal.⋅⋅⋅⋅CAUTIONIncrease the setting when the distance between the inverter and motor is long or when motor torque is insufficient in the lowspeedrange. If the setting is too large, an overcurrent trip may occur.The Pr. 0, Pr. 46, Pr. 112 settings are valid only when V/F control is selected.When using the inverter dedicated motor (constant torque motor) with the 5.5K or 7.5K, set the torque boost value to 2%. If theinitial set Pr. 71 value is changed to the setting for use with a constant-torque motor, the Pr. 0 setting changes to thecorresponding value in above.Changing the terminal assignment using Pr. 178 to Pr. 189 (input terminal function selection) may affect the other functions. Pleasemake setting after confirming the function of each terminal.♦ Parameters referred to ♦Pr. 3 Base frequency, Pr. 19 Base frequency voltage Refer to page 142Pr. 71 Applied motor Refer to page 169Pr. 178 to Pr. 189 (Input terminal function selection) Refer to page 206130