MITSUBISHI ELECTRIC FR-S520E User Manual
Page 9
IV
2.11.3 Motor primary resistance (Pr. 99 ) ............................................................ 126
2.12 Maintenance parameters ...................................................... 126
2.12.1 Maintenance output function (H1, H2 ) ..................................................... 126
2.12.2 Current average value monitor signal (H3, H4, H5) .................................. 127
2.13 Brake parameters (FR-S520E-0.4K to 3.7K only) ............... 130
2.13.1 Regenerative braking operation (b1 , b2 ) ................................................ 130
2.14 Calibration parameters ......................................................... 131
2.14.1 Meter (frequency meter) calibration (C1 ) ................................................. 131
2.15 Clear parameters................................................................... 134
2.15.1 Parameter clear (CLr ) .............................................................................. 134
2.15.2 Alarm history clear (ECL ) ......................................................................... 134
2.16 Communication parameters................................................. 135
2.16.1 Communication settings (n1 to n7 , n11 ) ................................................ 137
2.16.2 Operation and speed command source (n8 , n9 ) .................................... 152
2.16.3 Link startup mode selection (n10 ) ............................................................ 153
2.16.4 E2PROM write selection (n12 )................................................................. 155
2.17 Parameter unit (FR-PU04) setting........................................ 156
2.17.1 PU display language selection (n13 ) ....................................................... 156
2.17.2 PU buzzer control (n14 ) ........................................................................... 156
2.17.3 PU contrast adjustment (n15 ) .................................................................. 157
2.17.4 PU main display screen data selection (n16 )........................................... 157
2.17.5 Disconnected PU detection/PU setting lock selection (n17 ) .................... 158
3. PROTECTIVE FUNCTIONS
159
3.1
Errors (Alarms)...................................................................... 160
3.1.1
Error (alarm) definitions ............................................................................ 161
3.1.2
To know the operating status at the occurrence of alarm
(only when FR-PU04 is used) ................................................................... 169
3.1.3
Correspondence between digital and actual characters ........................... 169
3.1.4
Resetting the inverter................................................................................ 169
3.2
Troubleshooting.................................................................... 170
3.2.1
Motor remains stopped ............................................................................. 170
3.2.2
Motor rotates in opposite direction ............................................................ 171
3.2.3
Speed greatly differs from the setting ....................................................... 171
3.2.4
Acceleration/deceleration is not smooth ................................................... 171
3.2.5
Motor current is large ................................................................................ 171