Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

Page: 504 / 1218

(H) Protective function parameter Parameters
5 - 302
5.10 (H) Protective function parameter
Purpose Parameter to set
Refer to
page
To protect the motor from overheating
Electronic thermal O/L
relay
P.H000, P.H006,
P.H010, P.H016,
P.H020 to P.H022 Pr. 9, Pr. 51, Pr. 561,
Pr. 607, Pr. 608,
Pr. 876, Pr. 1016
5-303
To set the overheat protection
characteristics for the motor Free thermal O/L relay
setting P.H001 to P.H005,
P.H011 to P.H015 Pr. 600 to Pr. 604,
Pr. 692 to Pr. 696
5-312
To decelerate and stop when the
motor thermal protection is activated
Fault definition P.H030 Pr. 875 5-313
To extend the life of the cooling fan
Cooling fan operation
selection
P.H100 Pr. 244 5-314
To detect ground fault at start
Ground fault at start
enable/disable
P.H101 Pr. 249 5-315
To vary the operating level of the
undervoltage protective function
Undervoltage level P.H102 Pr. 598 5-315
To initiate an inverter protective
function
Fault initiation P.H103 Pr. 997 5-316
To disable the I/O phase loss
protective function I/O phase loss protection
selection
P.H200, P.H201 Pr. 251, Pr. 872 5-317
To restart using the retry function
when the protective function is
activated
Retry operation P.H300 to P.H303
Pr. 65,
Pr. 67 to Pr. 69
5-318
To set the upper and lower limits of the
output frequency Maximum/minimum
frequency
P.H400 to P.H402 Pr. 1, Pr. 2, Pr. 18 5-321
To prevent the motor from
overspeeding under torque control
Speed limit P.H410 to P.H412 Pr. 807 to Pr. 809 5-142
To avoid overdriving the motor during
speed control
Overdriving prevention P.H415 to P.H417
Pr. 285, Pr. 853,
Pr. 873
5-124
To operate by avoiding resonance
points
Frequency jump
P.H420 to P.H425,
P.H429 Pr. 31 to Pr. 36,
Pr. 552
5-323
To limit the output current so that the
inverter protective function does not
activate
Stall prevention
P.H500, P.H501,
P.H600 to P.H603,
P.H610, P.H611,
P.H620, P.H621,
P.H631, P.M430,
P.T010, P.T040
Pr. 22, Pr. 23, Pr. 48,
Pr. 49, Pr. 66,
Pr. 114, Pr. 115,
Pr. 148, Pr. 149,
Pr. 154, Pr. 156,
Pr. 157, Pr. 858,
Pr. 868
5-325
To monitor for load faults
Load characteristics fault
detection P.H520 to P.H527,
P.H531 to P.H535
Pr.1480 to Pr.1492 5-333
To limit the torque during speed
control
Torque limit
P.H500, P.H700 to
P.H703, P.H710,
P.H720, P.H721,
P.H730, P.T010,
P.T040,P. G210 Pr. 22, Pr. 803,
Pr. 810,
Pr. 812 to Pr. 817,
Pr. 858, Pr. 868,
Pr. 874
5-90
To shut off the output during
acceleration
Overspeed detection level P.H800 Pr. 374 5-339
To shut off the output when
deceleration is not possible
Deceleration check P.H880 Pr. 690 5-124