68
4.17 Special operation and speed control 199
4.17.1 PID control (Pr. 127 to Pr. 134, Pr. 553, Pr. 554, Pr. 575 to Pr. 577, C42 to C45)..................... 199
4.17.2 Regeneration avoidance function (Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886).......................... 211
4.18 Useful functions 213
4.18.1 Cooling fan operation selection (Pr. 244) ................................................................................... 213
4.18.2 Display of the lives of the drive unit parts (Pr. 255 to Pr. 259).................................................... 214
4.18.3 Maintenance timer alarm (Pr. 503, Pr. 504)................................................................................ 218
4.18.4 Current average value monitor signal (Pr. 555 to Pr. 557) ......................................................... 219
4.18.5 Free parameter (Pr. 888, Pr. 889) .............................................................................................. 221
4.18.6 Initiating a fault (Pr. 997)............................................................................................................. 221
4.18.7 Batch setting Mitsubishi HMI (GOT) connection parameters (Pr. 999)....................................... 222
4.19 Setting the parameter unit and operation panel 224
4.19.1 RUN key rotation direction selection (Pr. 40).............................................................................. 224
4.19.2 PU display language selection (Pr. 145)..................................................................................... 224
4.19.3 Operation panel speed setting/key lock selection (Pr. 161)........................................................ 225
4.19.4 Magnitude of speed change setting (Pr. 295)............................................................................. 228
4.19.5 Buzzer control (Pr. 990).............................................................................................................. 229
4.19.6 PU contrast adjustment (Pr. 991) ............................................................................................... 229
4.20 Parameter clear/ All parameter clear 230
4.21 Initial value change list 231
4.22 Check and clear of the faults history 232
