Mitsubishi Electric FR-D720-008 Instruction Manual page 293

M
Magnitude of frequency change setting (Pr. 295)............... 238
Maintenance signal output (MT).................................... 231, 250
Maintenance timer alarm (Pr. 503, Pr. 504) ........................ 231
Maintenance timer signal (Y95 signal) ......................... 117, 231
Manual torque boost (Pr. 0, Pr. 46)......................................... 71
Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18) ............. 81
Measurement of converter output voltage ........................... 277
Measurement of currents........................................................ 277
Measurement of inverter input power factor ........................ 277
Measurement of powers ......................................................... 276
Measurement of voltages and use of PT ............................. 276
Middle-speed operation command (RM signal) ............ 87, 111
Mitsubishi inverter protocol
(computer link communication).......................................... 186
Modbus RTU communication specifications (Pr. 117, Pr. 118,
Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549) ..................... 198
Monitor display selection of DU/PU and terminal AM (Pr. 52,
Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564) ...... 126
Motor Load Factor ................................................................... 126
Motor overheat protection (Electronic thermal O/L relay, PTC
thermistor protection) (Pr. 9, Pr. 51, Pr. 561) .................... 98
Motor overload trip (electronic thermal relay function)
(E.THM) ........................................................................... 98, 253
Motor thermal load factor........................................................ 126
Motor Torque ............................................................................ 126
N
Names and functions of the operation panel......................... 50
O
Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to
Pr. 27, Pr. 232 to Pr. 239)..................................................... 87
Operation mode at power-ON (Pr. 79, Pr. 340) .................. 173
Operation mode selection (Pr. 79) ........................................ 163
Operation panel frequency setting/key lock operation
selection (Pr. 161)................................................................ 236
Operation panel lock (HOLD)......................................... 236, 248
Operation selection at communication error occurrence (Pr.
121, Pr. 122, Pr. 502) .......................................................... 182
Optimum excitation control (Pr. 60) ...................................... 145
Output current................................................................... 126, 131
Output current detection (Y12 signal)........................... 117, 122
Output current detection function (Y12 signal, Y13 signal, Pr.
150 to Pr. 153)...................................................................... 122
Output current detection value exceeded ............................ 256
Output Current Peak Value ............................................ 126, 131
Output frequency ............................................................. 126, 131
Output frequency detection (FU signal) ....................... 117, 121
Output phase loss (E.LF)................................................ 144, 254
Output power ............................................................................ 126
Output side earth (ground) fault overcurrent at start
(E.GF) ............................................................................ 144, 254
Output stop (MRS signal) ............................................... 111, 113
Output terminal function selection (Pr. 190, Pr. 192) ......... 117
Output Terminal Status ........................................................... 126
Output voltage .......................................................................... 126
Overcurrent trip during acceleration (E.OC1)...................... 251
Overcurrent trip during constant speed (E.OC2) ................ 251
Overcurrent trip during deceleration or stop (E.OC3) ........ 252
Overload alarm (OL signal) .............................................. 77, 117
P
Parameter list ............................................................................. 54
Parameter storage device fault
(control circuit board) (E.PE).............................................. 255
Parameter write disable selection (Pr. 77)........................... 159
Parameter write error (Er1 to Er4)......................................... 248
Password function ................................................................... 161
Password locked ...................................................................... 248
Periodic inspection................................................................... 266
Peripheral devices ....................................................................... 4
PID control (Pr. 127 to Pr. 134, Pr. 575, Pr. 577) ............... 210
PID control valid terminal (X14 signal)..................111, 210, 218
PID Deviation ............................................................126, 210, 218
PID Forward/Reverse Rotation Output
(RL signal) .............................................................117, 210, 218
PID lower limit (FDN signal)....................................117, 210, 218
PID Measured Value ................................................126, 210, 218
PID Set Point.............................................................126, 210, 218
PID upper limit (FUP signal) ...................................117, 210, 218
Power failure deceleration signal (Y46 signal) ............117, 140
Power supply harmonics ...........................................................40
Power-failure deceleration stop function (Pr. 261)..............140
Pressure test .............................................................................278
PTC thermistor operation ........................................................255
PTC thermistor resistance.........................................................98
PU contrast adjustment (Pr. 991)...........................................239
PU disconnection (E.PUE)......................................156, 182, 255
PU display language selection(Pr. 145)................................235
PU operation external interlock (X12 signal)................111, 163
PU stop (PS) .....................................................................156, 250
PU/NET operation switchover (turning ON X65 selects PU
operation) (X65 signal) ................................................111, 171
PU-External operation switchover (turning ON X16 selects
external operation) (X16).............................................111, 170
PWM carrier frequency and Soft-PWM control (Pr. 72, Pr.
240).........................................................................................146
R
Reference of the terminal AM (analog voltage output) (Pr. 55,
Pr. 56).....................................................................................131
Reference voltage output ................................................126, 132
Regeneration avoidance function (Pr. 665, Pr. 882, Pr. 883,
Pr. 885, Pr. 886) ...................................................................224
Regenerative brake duty .................................................108, 126
Regenerative brake prealarm (RB)................................108, 250
Regenerative brake prealarm (RBP signal) .................108, 117
Regenerative overvoltage trip during acceleration
(E.OV1) ..........................................................................224, 252
Regenerative overvoltage trip during constant speed
(E.OV2) ..........................................................................224, 252
Regenerative overvoltage trip during deceleration or stop
(E.OV3) ..........................................................................224, 252
Remote output (REM signal) ..........................................117, 124
Remote output selection
(REM signal, Pr. 495, Pr. 496) ...........................................124
Remote setting (RH, RM, RL signal) ...............................91, 111
Remote setting function (Pr. 59) ..............................................91
Replacement of parts...............................................................270
Reset selection/disconnected PU detection/PU stop selection
(Pr. 75) ...................................................................................156
Response level of analog input and noise elimination
(Pr. 74) ...................................................................................150
Retry count excess (E.RET) ...........................................142, 255
Retry function (Pr. 65, Pr. 67 to Pr. 69) ................................142
Reverse rotation command (assigned to STR terminal (Pr.
179) only) (STR signal)................................................111, 115
Reverse rotation prevention selection (Pr. 78) ....................160
RUN key rotation direction selection (Pr. 40).......................235
S
Safety circuit fault (E.SAF)......................................................256
Safety monitor output (SAFE signal) .....................................117
Safety stop (SA)........................................................................251
Second function selection (RT signal) ..........................111, 114
Selection of a regenerative brake (Pr. 30, Pr. 70)...............108
Setting dial push .........................................................................53
Slip compensation (Pr. 245 to Pr. 247) ...................................76
Specification of main circuit terminal .......................................15
Speed display and speed setting (Pr. 37) ............................125
Speed smoothing control (Pr. 653)........................................147
Stall prevention (E.OLT)....................................................77, 254
Stall prevention (overcurrent) (OL) ..................................77, 249
Stall prevention (overvoltage) (oL).................................224, 249
Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 66, Pr.
289