Mitsubishi Electric FR-D720-0.2K-G Instruction Manual page 8

4.13.1 Retry function (Pr. 65, Pr. 67 to Pr. 69) ..................................................................................... 143
4.13.2 Input/output phase loss protection selection (Pr. 251, Pr. 872)................................................. 145
4.13.3 Earth (ground) fault detection at start (Pr. 249) ......................................................................... 145
4.13.4 Overspeed protection (Pr. 374) ................................................................................................. 146
4.14 Speed setting by analog input (terminal 2, 4) ............................... 147
4.14.1 Analog input selection (Pr. 73, Pr. 267)..................................................................................... 147
4.14.2 Setting the speed by analog input (voltage input / current input) .............................................. 150
4.14.3 Response level of analog input and noise elimination (Pr. 74).................................................. 151
4.14.4 Bias and gain of speed setting voltage (current)
(Pr. 125, Pr. 126, Pr. 241, C2 (Pr. 902) to C7 (Pr. 905)) ........................................................... 152
4.14.5 Speed setting signal (current) bias/gain adjustment method..................................................... 154
4.15 Misoperation prevention and parameter setting restriction......... 157
4.15.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75) .................................... 157
4.15.2 Parameter write disable selection (Pr. 77)................................................................................. 160
4.15.3 Reverse rotation prevention selection (Pr. 78) .......................................................................... 161
4.15.4 Extended parameter display (Pr. 160)....................................................................................... 161
4.15.5 Password function (Pr. 296, Pr. 297)......................................................................................... 162
4.16 Selection of operation mode and operation location .................... 164
4.16.1 Operation mode selection (Pr. 79)............................................................................................. 164
4.16.2 Setting the speed by the operation panel .................................................................................. 172
4.16.3 Setting the speed by the operation panel (Pr. 79 = 3) ............................................................... 174
4.16.4 Setting the speed by analog input (voltage input / current input) .............................................. 175
4.16.5 Operation mode at power-ON (Pr. 79, Pr. 340) ......................................................................... 176
4.16.6 Start command source and speed command source during communication
operation (Pr. 338, Pr. 339, Pr. 551) ......................................................................................... 177
4.17 Communication operation and setting .......................................... 181
4.17.1 Wiring and configuration of PU connector ................................................................................. 181
4.17.2 Initial settings and specifications of RS-485 communication
(Pr. 117 to Pr. 120, Pr. 123, Pr. 124, Pr. 549) ........................................................................... 184
4.17.3 Operation selection at communication error occurrence
(Pr. 121, Pr. 122, Pr. 502, Pr. 779)............................................................................................ 185
4.17.4 Communication EEPROM write selection (Pr. 342) .................................................................. 190
4.17.5 Mitsubishi inverter protocol (computer link communication) ...................................................... 191
4.17.6 MODBUS RTU communication specifications
(Pr. 117, Pr. 118, Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549, Pr. 779) ..................................... 203
4.18 Special operation and speed control ............................................. 216
4.18.1 PID control (Pr. 127 to Pr. 134, Pr. 553, Pr. 554, Pr. 575 to Pr. 577, C42 to C45).................... 216
4.18.2 Regeneration avoidance function (Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886)......................... 228
4.19 Useful functions ............................................................................. 230
4.19.1 Cooling fan operation selection (Pr. 244) .................................................................................. 230
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