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Insulation resistance test using megger ...............................327
Inverter I/O Terminal Monitor..........................................152, 155
Inverter installation environment ................................................9
Inverter operation ready (RY signal) .............................140, 142
Inverter output shutoff signal (MRS signal, Pr. 17) .............136
Inverter overload trip (electronic thermal relay function)
(E.THT)...........................................................................119, 303
Inverter placement......................................................................11
Inverter reset (Err.) ...........................................................296, 299
Inverter reset (RES signal)..............................................134, 296
Inverter run enable signal (FR-HC/FR-CV connection) (X10
signal) .............................................................................131, 134
Inverter running (RUN signal).........................................140, 142
Inverter thermal load factor .....................................................152
J
Jog operation (Pr. 15, Pr. 16) .................................................108
JOG operation selection (JOG signal) ..........................108, 134
L
Leakage currents and countermeasures ................................42
Life alarm (Y90 signal).....................................................140, 265
Load pattern selection (Pr. 14) ...............................................105
Low-speed operation command (RL signal) ................106, 134
M
Magnitude of frequency change setting (Pr. 295) ...............281
Main circuit terminal specifications ..........................................19
Maintenance signal output (MT).....................................268, 300
Maintenance timer alarm (Pr. 503, Pr. 504) .........................268
Maintenance timer signal (Y95 signal)..........................140, 268
Manual torque boost (Pr. 0, Pr. 46) .........................................92
Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18)............101
Measurement of converter output voltage ............................327
Measurement of currents ........................................................327
Measurement of inverter input power factor.........................327
Measurement of inverter output frequency...........................327
Measurement of powers ..........................................................326
Measurement of voltages and use of PT ..............................326
Middle-speed operation command (RM signal)...........106, 134
Minimum motor rotation frequency (Pr.13)...........................117
Mitsubishi inverter protocol
(computer link communication) ..........................................226
Modbus RTU communication specifications (Pr. 117, Pr. 118,
Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549) ......................238
Monitor display selection of DU/PU and terminal FM (Pr. 52,
Pr. 54, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564) .........152
Motor Load Factor ....................................................................152
Motor overheat protection (Electronic thermal O/L relay, PTC
thermistor protection) (Pr. 9, Pr. 51, Pr. 561)...................119
Motor overload trip (electronic thermal relay function)
(E.THM)..........................................................................119, 303
Motor thermal load factor ........................................................152
Motor Torque.............................................................................152
N
Names and functions of the operation panel .........................58
O
Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to
Pr. 27, Pr. 232 to Pr. 239) ...................................................106
Operation mode at power-ON (Pr. 79, Pr. 340)...................213
Operation mode selection (Pr. 79).........................................200
Operation panel frequency setting/key lock operation
selection (Pr. 161) ................................................................278
Operation panel lock (HOLD) .........................................278, 298
Operation selection at communication error occurrence (Pr.
121, Pr. 122, Pr. 502)...........................................................222
Optimum excitation control (Pr. 60) .......................................174
348
Output current................................................................... 152, 157
Output current detection (Y12 signal) ........................... 140, 146
Output current detection function (Y12 signal, Y13 signal, Pr.
150 to Pr. 153) ...................................................................... 146
Output current detection value exceeded (E.CDO)............ 306
Output Current Peak Value ............................................ 152, 157
Output frequency.............................................................. 152, 157
Output frequency detection (FU signal)........................ 140, 144
Output phase loss (E.LF) ................................................ 172, 305
Output power ............................................................................ 152
Output side earth (ground) fault overcurrent at start
(E.GF) ............................................................................ 172, 305
Output stop (MRS signal)................................................ 134, 136
Output terminal function selection
(Pr. 190, Pr. 192).................................................................. 140
Output Terminal Status ................................................... 152, 152
Output voltage .......................................................................... 152
Overcurrent trip during acceleration (E.OC1) ...................... 301
Overcurrent trip during constant speed (E.OC2) ................ 302
Overcurrent trip during deceleration or stop (E.OC3) ........ 302
Overload alarm (OL signal) .............................................. 96, 140
Overspeed detection function (Pr.374)................................. 173
Overspeed occurrence ............................................................ 307
P
Parameter list.............................................................................. 64
Parameter storage device fault
(control circuit board) (E.PE) .............................................. 306
Parameter write disable selection (Pr. 77) ........................... 196
Parameter write error (Er1 to Er4)......................................... 298
Password function.................................................................... 198
Password locked (LOCd) ........................................................ 298
Periodic inspection................................................................... 318
Peripheral devices........................................................................ 5
PID control (Pr. 127 to Pr. 134, Pr. 575, Pr. 577) ............... 250
PID control valid terminal (X14 signal).......................... 134, 250
PID Deviation .................................................................... 152, 250
PID Forward/Reverse Rotation Output
(RL signal) ..................................................................... 140, 250
PID lower limit (FDN signal) ........................................... 140, 250
PID Measured Value........................................................ 152, 250
PID Set Point .................................................................... 152, 250
PID signal fault E.PID .............................................................. 307
PID upper limit (FUP signal)........................................... 140, 250
Power failure deceleration signal (Y46 signal) ............ 140, 168
Power supply harmonics........................................................... 47
Power-failure deceleration stop function (Pr. 261) ............. 168
Pressure test............................................................................. 328
PTC thermistor operation (E.PTC) ........................................ 305
PTC thermistor resistance ...................................................... 119
PU contrast adjustment (Pr. 991) .......................................... 282
PU disconnection (E.PUE)...................................... 193, 222, 306
PU display language selection (Pr. 145) .............................. 277
PU operation external interlock (X12 signal) ............... 134, 200
PU stop (PS) ..................................................................... 193, 300
PU/NET operation switchover (turning ON X65 selects PU
operation) (X65 signal) ................................................ 134, 208
PU-External operation switchover (turning ON X16 selects
External operation) (X16)............................................ 134, 207
Pulse train output of output power (Y79 signal, Pr. 799) ... 149
PWM carrier frequency and Soft-PWM control (Pr. 72, Pr.
240) ........................................................................................ 181
R
Reference of the terminal FM (pulse train output)
(Pr. 55, Pr. 56) ...................................................................... 157
Reference voltage output................................................ 152, 158
Regeneration avoidance function (Pr. 665, Pr. 882, Pr. 883,
Pr. 885, Pr. 886) ................................................................... 262
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