Mitsubishi Electric FR-A720-0.4K Instruction Manual page 86

Parameter List
Func-
Parameter
tion
245
Rated slip
246
Slip compensation time constant
Constant-power region slip
247
compensation selection

250
Stop selection
Output phase failure protection

251
selection
252 Override bias
253
Override gain
255 Life alarm status display
256
Inrush current limit circuit life display
257
Control circuit capacitor life display
258 Main circuit capacitor life display
259
Main circuit capacitor life measuring
261
Power failure stop selection
Subtracted frequency at deceleration
262
start
263
Subtraction starting frequency
264 Power-failure deceleration time 1
265
Power-failure deceleration time 2
Power failure deceleration time
266
switchover frequency

267 Terminal 4 input selection

268
Monitor decimal digits selection

269
Parameter for manufacturer setting. Do not set.
Stop-on contact/load torque high-

270
speed frequency control selection
271
High-speed setting maximum current
272 Middle-speed setting minimum current
273 Current averaging range
274
Current averaging filter time constant
Stop-on contact excitation current low-
275
speed multiplying factor
PWM carrier frequency at stop-on
276
contact
76
Name
0 to 50%, 9999
0.01 to 10s
0, 9999
0 to 100s,1000 to 1100s
8888, 9999
0, 1
0 to 200%
0 to 200%
(0 to 15)
(0 to 100%)
(0 to 100%)
(0 to 100%)
0, 1
0, 1, 2, 11, 12
0 to 20Hz
0 to 120Hz, 9999
0 to 3600/360s
0 to 3600s/360s,
9999
0 to 400Hz
0, 1, 2
0,1, 9999
0, 1, 2, 3
0 to 220%
0 to 220%
0 to 400Hz, 9999
1 to 4000
0 to 1000%, 9999
0 to 9, 9999/
0 to 4, 9999
Minimum
Setting Range Setting
Increments
0.01%
0.01s
1
0.1s
1
0.1%
0.1%
1
1%
1%
1%
1
1
0.01Hz
0.01Hz
0.1/0.01s
0.1/0.01s
0.01Hz
1
1
1
0.1%
0.1%
0.01Hz
1
0.1%
1
*2
Refer
Customer
Initial Value to
Setting
Page
9999 147
0.5s 147
9999 147
9999 203
1 263
50% 277
150% 277
0 366
100% 366
100% 366
100% 366
0 366
0 257
3Hz 257
Hz 257
60
5s 257
9999 257
Hz 257
60
0 274
9999 242
204,
0
354
50% 354
100% 354
9999 354
16 354
9999 204
9999 204