Mitsubishi Electric FR-D720 K Series Instruction Manual page 80

4.19.3 Operation selection at communication error occurrence (Pr. 121, Pr. 122, Pr. 502) .................. 185
4.19.4 Communication EEPROM write selection (Pr. 342) ................................................................... 188
4.19.5 Mitsubishi inverter protocol (computer link communication) ....................................................... 189
4.19.6 MODBUS RTU communication specifications
(Pr. 117, Pr. 118, Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549) .................................................... 201
4.20 Special operation and frequency control
4.20.1 PID control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577) .................................................................... 213
4.20.2 Dancer control (Pr. 44, Pr. 45, Pr. 128 to Pr. 134)...................................................................... 221
4.20.3 Regeneration avoidance function (Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886).......................... 227
4.21 Useful functions
4.21.1 Cooling fan operation selection (Pr. 244) ................................................................................... 229
4.21.2 Display of the lives of the inverter parts (Pr. 255 to Pr. 259) ...................................................... 230
4.21.3 Maintenance timer alarm (Pr. 503, Pr. 504)................................................................................ 234
4.21.4 Current average value monitor signal (Pr. 555 to Pr. 557) ......................................................... 235
4.21.5 Free parameter (Pr. 888, Pr. 889) .............................................................................................. 237
4.22 Setting the parameter unit and operation panel
4.22.1 RUN key rotation direction selection (Pr. 40).............................................................................. 238
4.22.2 PU display language selection (Pr. 145)..................................................................................... 238
4.22.3 Operation panel frequency setting/key lock selection (Pr. 161).................................................. 239
4.22.4 Magnitude of frequency change setting (Pr. 295)....................................................................... 241
4.22.5 Buzzer control (Pr. 990).............................................................................................................. 242
4.22.6 PU contrast adjustment (Pr. 991) ............................................................................................... 242
4.23 FR-E500 series operation panel (PA02) setting
4.23.1 Built-in potentiometer switching (Pr. 146) ................................................................................... 243
4.23.2 Bias and gain of the built-in frequency setting potentiometer
(C22 (Pr. 922) to C25 (Pr. 923)) ................................................................................................. 244
4.24 Parameter clear/ All parameter clear
4.25 Initial value change list
4.26 Check and clear of the fault history
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