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Selection and protection of a motor
(6) Tune second applied motor
· When you want to switch two motors with one inverter, set the second motor in Pr. 450 Second applied motor (refer to
page 187). Initial setting is without second applied motor.
· Turning the RT signal ON makes the following parameters for the second parameters valid.
Functions
RT signal ON
(second motor)
RT signal OFF
(first motor)
Motor capacity Pr. 453 Pr. 80
Number of motor poles Pr. 454 Pr. 81
Motor excitation current Pr. 455 Pr. 82
Rated motor voltage Pr. 456 Pr. 83
Rated motor frequency Pr. 457 Pr. 84
Motor constant (R1) Pr. 458 Pr. 90
Motor constant (R2) Pr. 459 Pr. 91
Motor constant (L1) Pr. 460 Pr. 92
Motor constant (L2) Pr. 461 Pr. 93
Motor constant (X) Pr. 462 Pr. 94
Auto tuning setting/status Pr. 463 Pr. 96
REMARKS
· The RT signal is assigned to the terminal RT in the initial setting. By setting "3" in any of Pr. 178 to Pr. 189 (input terminal function
selection), you can assign the RT signal to the other terminal.
CAUTION
· Changing the terminal assignment using Pr. 178 to Pr. 189 (input terminal function selection) may affect the other functions. Set
parameters after confirming the function of each terminal.
♦ Parameters referred to ♦
Pr. 7 Acceleration time, Pr. 8 Deceleration time Refer to page 172
Pr. 9 Electronic thermal O/L relay Refer to page 183
Pr. 71 Applied motor Refer to page 187
Pr. 80 Motor capacity, Pr. 81 Number of motor poles Refer to page 92
Pr. 95 Online auto tuning selection Refer to page 199
Pr. 156 Stall prevention operation selection Refer to page 152
Pr. 178 to Pr. 189 (input terminal function selection) Refer to page 231
Pr. 190 to Pr. 196 (output terminal function selection) Refer to page 239
Pr. 800 Control method selection Refer to page 92