III
CONTENTS
4.7.2 Minimum motor rotation speed (Pr. 13) ....................................................................................... 89
4.7.3 Acceleration/deceleration pattern (Pr. 29) ................................................................................... 90
4.8 Selection and protection of a motor ................................................ 91
4.8.1 Motor overheat protection (Electronic thermal O/L relay, PTC thermistor protection)
(Pr. 9, Pr. 561) ............................................................................................................................. 91
4.9 Motor brake and stop operation....................................................... 94
4.9.1 DC injection brake and pre-excitation (Pr. 10, Pr. 11, Pr. 795) ................................................... 94
4.9.2 Activating the electromagnetic brake (MBR signal, Pr.736) ........................................................ 96
4.9.3 Selection of a regenerative brake (Pr. 30, Pr. 70) ....................................................................... 97
4.9.4 Stop selection (Pr. 250) ............................................................................................................... 99
4.10 Function assignment of external terminal and control................. 100
4.10.1 Input terminal function selection (Pr. 178 to Pr. 182) ................................................................ 100
4.10.2 Drive unit output shutoff signal (MRS signal, Pr. 17)................................................................. 102
4.10.3 Condition selection of function validity by second function selection signal (RT signal) ........... 103
4.10.4 Start signal operation selection (STF, STR, STOP signal, Pr. 250) .......................................... 104
4.10.5 Output terminal function selection (Pr. 190, Pr. 192)................................................................. 106
4.10.6 Detection of rotation speed (SU, FU signal, Pr. 41 to Pr. 43, Pr. 870) ...................................... 110
4.10.7 Output current detection function
(Y12 signal, Y13 signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167) ................................................... 111
4.10.8 Remote output selection (REM signal, Pr. 495, Pr. 496)........................................................... 113
4.10.9 Pulse train output of output power (Y79 signal, Pr. 799) ........................................................... 114
4.11 Monitor display and monitor output signal .................................... 115
4.11.1 Speed display and speed setting (Pr. 37, Pr. 144, Pr. 505) ...................................................... 115
4.11.2 Monitor display selection of DU/PU and terminal FM
(Pr. 52, Pr. 54, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891) ......................................... 117
4.11.3 Reference of the terminal FM (pulse train output) (Pr. 55, Pr. 56) ............................................ 122
4.11.4 Terminal FM calibration (calibration parameter C0 (Pr. 900)) ................................................... 123
4.11.5 How to calibrate the terminal FM when using the operation panel............................................ 124
4.12 Operation setting at fault occurrence ........................................... 126
4.12.1 Retry function (Pr. 65, Pr. 67 to Pr. 69) ..................................................................................... 126
4.12.2 Input/output phase loss protection selection (Pr. 251, Pr. 872)................................................. 128
4.12.3 Earth (ground) fault detection at start (Pr. 249) ......................................................................... 128
4.12.4 Overspeed protection (Pr. 374) ................................................................................................. 129
4.13 Speed setting by analog input (terminal 2, 4) ............................... 130
4.13.1 Analog input selection (Pr. 73, Pr. 267)..................................................................................... 130
4.13.2 Setting the speed by analog input (voltage input / current input) .............................................. 133
4.13.3 Response level of analog input and noise elimination (Pr. 74).................................................. 134
4.13.4 Bias and gain of speed setting voltage (current)
(Pr. 125, Pr. 126, Pr. 241, C2 (Pr. 902) to C7 (Pr. 905)) ........................................................... 135
4.13.5 Speed setting signal (current) bias/gain adjustment method ............................. 137
