Mitsubishi Electric FR-E720-0.1 K Instruction Manual page 329

(Pr. 251, Pr. 872) ................................................................. 167
Inrush current limit circuit fault (E.IOH) ................................ 287
Insulation resistance test using megger............................... 309
Internal board fault(E.PE2)..................................................... 287
Internal circuit fault (E.13)....................................................... 288
Inverter I/O Terminal Monitor ......................................... 149, 152
Inverter installation environment ............................................... 8
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) .......................................................................... 112, 284
Inverter placement ..................................................................... 11
Inverter replacement ............................................................... 305
Inverter reset (Err.) .......................................................... 278, 280
Inverter reset (RES signal) ............................................. 134, 278
Inverter run enable signal(FR-HC/FR-CV connection) (X10
signal) ............................................................................ 125, 134
Inverter running (RUN signal) ........................................ 140, 142
Inverter thermal load factor .................................................... 149
Inverter-generated noises and their reduction techniques.. 40
J
Jog operation (Pr. 15, Pr. 16)................................................. 100
JOG operation selection (JOG signal).......................... 100, 134
L
Leakage currents and countermeasures ............................... 38
Life alarm (Y90 signal) .................................................... 140, 253
Load pattern selection (Pr. 14) ................................................ 96
Low-speed operation command (RL signal).................. 98, 134
M
Magnitude of frequency change setting (Pr. 295)............... 264
Maintenance signal output (MT).................................... 257, 282
Maintenance timer alarm (Pr. 503, Pr. 504) ........................ 257
Maintenance timer signal (Y95 signal) ......................... 140, 257
Manual torque boost (Pr. 0, Pr. 46)......................................... 81
Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18) ............. 92
Measurement of converter output voltage ........................... 309
Measurement of currents........................................................ 309
Measurement of inverter input power factor ........................ 309
Measurement of inverter output frequency .......................... 309
Measurement of powers ......................................................... 308
Measurement of voltages and use of PT ............................. 308
Middle-speed operation command (RM signal) ............ 98, 134
Mitsubishi inverter protocol
(computer link communication).......................................... 211
Modbus RTU communication specifications (Pr. 117, Pr. 118,
Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549) ..................... 222
Monitor display selection of DU/PU and terminal FM (Pr. 52,
Pr. 54, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564)......... 149
Motor Load Factor ................................................................... 149
Motor overheat protection (Electronic thermal O/L relay) (Pr.
9, Pr. 51)................................................................................ 112
Motor overload trip (electronic thermal relay function)
(E.THM) ......................................................................... 112, 284
Motor thermal load factor........................................................ 149
Motor Torque ............................................................................ 149
N
Names and functions of the operation panel......................... 54
O
Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to
Pr. 27, Pr. 232 to Pr. 239) .....................................................98
Operation command source and speed command source
during communication operation (Pr. 338, Pr. 339, Pr. 550,
Pr. 551)...................................................................................197
Operation mode at power-ON (Pr. 79, Pr. 340)...................196
Operation mode selection (Pr. 79).........................................186
Operation panel frequency setting/key lock operation
selection (Pr. 161) ................................................................262
Operation panel lock (HOLD) .........................................262, 280
Operation selection at communication error occurrence (Pr.
121, Pr. 122, Pr. 502)...........................................................207
Optimum excitation control (Pr. 60) .......................................168
Option fault (E.1).......................................................................286
Option input terminal status ....................................................149
Option output terminal status..................................................149
Output current ...................................................................149, 154
Output current detection (Y12 signal) ...................140, 140, 145
Output current detection function (Y12 signal, Y13 signal, Pr.
150 to Pr. 153) ......................................................................145
Output Current Peak Value.............................................149, 154
Output frequency ..............................................................149, 154
Output frequency detection (FU signal) ........................140, 144
Output phase loss (E.LF) ................................................167, 286
Output power.............................................................................149
Output side earth (ground) fault overcurrent at start
(E.GF).............................................................................167, 285
Output stop (MRS signal)................................................134, 136
Output terminal function selection (Pr. 190 to Pr. 192) ......140
Output Terminal Status....................................................149, 149
Output voltage...........................................................................149
Overcurrent trip during acceleration (E.OC1) ......................283
Overcurrent trip during constant speed (E.OC2).................283
Overcurrent trip during deceleration or stop (E.OC3).........283
Overload alarm (OL signal)...............................................88, 140
P
Parameter list ..............................................................................58
Parameter storage device fault
(control circuit board) (E.PE) ..............................................286
Parameter write disable selection (Pr. 77) ...........................182
Parameter write error (Er1 to Er4) .........................................280
Periodic inspection ...................................................................298
Peripheral devices........................................................................4
PID control (Pr. 127 to Pr. 134)..............................................236
PID control valid terminal (X14 signal)..................134, 236, 243
PID Deviation ............................................................149, 236, 243
PID Forward/Reverse Rotation Output
(RL signal) .............................................................140, 236, 243
PID lower limit (FDN signal)....................................140, 236, 243
PID Measured Value................................................149, 236, 243
PID Set Point.............................................................149, 236, 243
PID upper limit (FUP signal) ...................................140, 236, 243
Power failure deceleration signal (Y46 signal) ............140, 163
Power supply harmonics ...........................................................42
Power-failure deceleration stop function (Pr. 261)..............163
Pressure test .............................................................................310
PU contrast adjustment (Pr. 991)...........................................265
PU disconnection (E.PUE)......................................179, 207, 287
PU display language selection(Pr. 145)................................261
PU operation external interlock (X12 signal)................134, 186
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