Mitsubishi Electric FR-S520E Series Instruction Manual page 9

2.11.2 Automatic torque boost selection (Pr. 98 )................................................ 132
2.11.3 Motor primary resistance (Pr. 99 ) ............................................................ 133
2.12 Maintenance function ........................................................... 133
2.12.1 Maintenance output function (H1, H2 ) ..................................................... 133
2.12.2 Current average value monitor signal (H3, H4, H5)................... 134
2.13 Brake parameters (FR-S520E-0.4K to 3.7K only) ............... 137
2.13.1 Regenerative braking operation (b1 , b2 ) ................................................ 137
2.14 Calibration parameters ......................................................... 138
2.14.1 Meter (frequency meter) calibration (C1 ) ................................................. 138
2.15 Clear parameters................................................................... 141
2.15.1 Parameter clear (CLr ) .............................................................................. 141
2.15.2 Alarm history clear (ECL )......................................................................... 141
2.16 Communication parameters................................................. 142
2.16.1 Communication settings (n1 to n7 , n11 ) ................................................ 144
2.16.2 Operation and speed command source (n8 , n9 ) .................................... 160
2.16.3 Link startup mode selection (n10 )............................................................ 161
2.16.4 EEPROM write selection (n12 ) ................................................................ 163
2.17 Parameter unit (FR-PU04) setting........................................ 164
2.17.1 PU display language selection (n13 ) ....................................................... 164
2.17.2 PU buzzer control (n14 ) ........................................................................... 164
2.17.3 PU contrast adjustment (n15 ) .................................................................. 165
2.17.4 PU main display screen data selection (n16 )........................................... 165
2.17.5 Disconnected PU detection/PU setting lock selection (n17 ) .................... 166
3. PROTECTIVE FUNCTIONS
3.1 Errors (Alarms)...................................................................... 170
3.1.1 Error (alarm) definitions ............................................................................ 171
3.1.2 To know the operating status at the occurrence of alarm
(only when FR-PU04 is used) ................................................................... 179
3.1.3 Correspondence between digital and actual characters ........................... 179
3.1.4 Resetting the inverter................................................................................ 179
3.1.5 Checking of the alarm history ................................................................... 180
3.2 Troubleshooting.................................................................... 181
3.2.1 Motor remains stopped ............................................................................. 181
3.2.2 Motor rotates in opposite direction............................................................ 182
3.2.3 Speed greatly differs from the setting ....................................................... 182
IV
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