Mitsubishi Electric FR-D720S SC EC Instruction Manual page 18

Contents
6.16 Misoperation prevention and parameter setting restriction. . . . . . . . . . . . . . .6-160
6.16.1 Reset selection/disconnected PU detection/PU stop selection
6.16.2 Parameter write selection (Pr. 77). . . . . . . . . . . . . . . . . . . . . . . . . . .6-165
6.16.3 Reverse rotation prevention selection (Pr. 78) . . . . . . . . . . . . . . . . .6-167
6.16.4 Extended parameter display (Pr. 160) . . . . . . . . . . . . . . . . . . . . . . .6-168
6.16.5 Password function (Pr. 296, Pr. 297) . . . . . . . . . . . . . . . . . . . . . . . .6-169
6.17 Selection of operation mode and operation location . . . . . . . . . . . . . . . . . . .6-172
6.17.1 Operation mode selection (Pr. 79) . . . . . . . . . . . . . . . . . . . . . . . . . .6-172
6.17.2 Operation mode at power on (Pr. 79, Pr. 340) . . . . . . . . . . . . . . . . .6-184
6.17.3 Start command source and frequency command source during
6.18 Communication operation and settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-193
6.18.1 PU connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-193
6.18.2 Initial settings and specifications of RS485 communication
6.18.3 Operation selection at communication error occurrence
6.18.4 Communication E²PROM write selection (Pr. 342) . . . . . . . . . . . . . .6-204
6.18.5 Mitsubishi inverter protocol (computer link communication) . . . . . . .6-205
6.18.6 Modbus-RTU communication
6.19 Special operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-242
6.19.1 PID control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577). . . . . . . . . . . . . .6-242
6.19.2 Dancer control (Pr. 44, Pr. 45, Pr. 128 to Pr. 134) . . . . . . . . . . . . . .6-255
6.19.3 Traverse function (Pr. 592 to Pr. 597) . . . . . . . . . . . . . . . . . . . . . . . .6-264
6.19.4 Regeneration avoidance function
6.20 Useful functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-270
6.20.1 Cooling fan operation selection (Pr. 244) . . . . . . . . . . . . . . . . . . . . .6-270
6.20.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259) . . . . . . . .6-271
6.20.3 Maintenance timer alarm (Pr. 503, Pr. 504) . . . . . . . . . . . . . . . . . . .6-276
6.20.4 Current average value monitor signal (Pr. 555 to Pr. 557) . . . . . . . .6-277
6.20.5 Free parameters (Pr. 888, Pr. 889) . . . . . . . . . . . . . . . . . . . . . . . . . .6-281
XIV
(Pr. 75) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-160
communication operation (Pr. 338, Pr. 339, Pr. 551) . . . . . . . . . . . .6-186
(Pr. 117 to Pr. 120, Pr. 123, Pr. 124, Pr. 549) . . . . . . . . . . . . . . . . . .6-198
(Pr. 121, Pr. 122, Pr. 502)6-199
(Pr. 117, Pr. 118, Pr. 120, Pr. 122, Pr. 343, Pr. 549) . . . . . . . . . . . .6-224
(Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886) . . . . . . . . . . . . . . . . . . .6-267