Mitsubishi FR-A800

(H) Protective function parameter
330
PARAMETERS
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, P.H021
Pr.9, Pr.51,
Pr.561, Pr.607,
Pr.608, Pr.1016
331
To set the overheat protection
characteristics for the motor
Free thermal O/L relay
setting
P. H 0 0 1 t o P. H 0 0 5 ,
P.H011 to P.H015
Pr.600 to Pr.604,
Pr.692 to Pr.696
338
To decelerate and stop when the
motor thermal protection is
activated
Fault definition P.H030 Pr.875 339
To extend the life of the cooling fan
Cooling fan operation
selection
P.H100 Pr.244 340
To detect ground fault at start
Ground fault at start
enable/disable
P.H101 Pr.249 341
To vary the operating level of the
undervoltage protective function
Undervoltage level P.H102 Pr.598 341
To initiate an inverter protective
function
Fault initiation P.H103 Pr.997 342
To disable the I/O phase loss
protective function
I/O phase loss
protection selection
P.H200, P.H201 Pr.251, Pr.872 342
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
343
To set the upper and lower limits of
the output frequency
Maximum/minimum
frequency
P.H400 to P.H402 Pr.1, Pr.2, Pr.18 345
To prevent the motor from
overspeeding under torque control
Speed limit P.H410 to P.H412 Pr.807 to Pr.809 219
To avoid overdriving the motor
during speed control
Overdriving prevention P.H415 to P.H417
Pr.285, Pr.853,
Pr.873
206
To operate by avoiding resonance
points
Frequency jump
P. H 4 2 0 t o P. H 4 2 5 ,
P. H 42 9
Pr.31 to Pr.36,
Pr.552
346
To limit the output current so that
the inverter protective function
does not activate
Stall prevention
P.H500, P.H501,
P. H 6 0 0 t o P. H 6 0 3 ,
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
348
To limit the torque during speed
control
T
orque limit
P.
H 5 00 ,
P. H 7 0 0 t o P. H 7 0 3 ,
P.H710, P.H720,
P.H721, P.H730,
P.T010, P.T040,
P. G 21 0
Pr.22, Pr.803,
Pr.810,
Pr.812 to Pr.817,
Pr.858, Pr.868,
Pr.874
185
To shut off the output during
acceleration
Overspeed detection
level
P.H800 Pr.374 355
To shut off the output when
deceleration is not possible
Deceleration check P.H880 Pr.690 207