Mitsubishi Electric FR-V500 Series Instruction Manual page 52

4.5.5 Easy gain tuning-related parameter operation
Refer to the following table for the parameter/gain read/write operation using Pr. 819 "easy gain tuning selection".
Read
Pr. 880 "load inertia"
Write
Timing of writing load
inertia ratio and control
—
2
gains into E PROM
Control gains Read
(Pr. 820, Pr. 821,
Pr. 828, Pr. 422) Write
CAUTION
RAM data is erased when the power is not supplied or the inverter is reset.
Pr. 819 = 0 Pr. 819 = 1
Without With inertia estimation,
tuning with gain calculation
Setting is Inertia estimation result is
displayed. displayed from the RAM.
Load inertia estimation result is
Setting can
written. (Write is enabled only
be changed.
during a stop.)
•Every hour after power-on
•When the Pr. 819 setting is
changed to other than "1".
Not written •When the vector control mode is
changed to other drive systems
due to the Pr. 800 "control method
selection" setting change.
Settings are Gain calculation results (RAM) are
displayed. displayed.
Settings can
Write disabled (operation error)
be changed.
49
Easy gain tuning
Pr. 819 = 2
Inertia as set in Pr. 880,
with gain calculation
Setting is displayed.
Setting can be changed.
•When the Pr. 819 setting is changed
to "2"
•When Pr. 880 "load inertia ratio" or
Pr. 818 "easy gain tuning response
level setting" is changed
Settings are displayed.
Write disabled (operation error)
4