Chapter 6. Parameter Setting
6-18
Menu Menu name Unit Display range Initial value Mode
P2-23 Autotune Range 0 ~ 9 0 SP
Prior to using the automatic setting function, input approximate ratio of system inertia to motor
System inertia (Motor inertia + load inertia)
Inertia
Motor inertia
to define the range.
If the ratio of system inertia to motor inertia is unknown, input "0".
Ration of system inertia to
motor inertia (multiples)
Input value
1 ~ 500 0
2 ~ 3 1
2 ~ 10 2
3 ~ 15 3
10 ~ 25 4
15 ~ 100 5
25 ~ 200 6
100 ~ 300 7
200 ~ 400 8
300 ~ 500 9
Menu Menu name Unit Display range Initial value Mode
P2-24 Autotune ON/OFF ON/OFF OFF SP
ON: Auto set function is activated and the results are automatically stored in [SC LOOP
Gain (P2-03)], [Inertia Ratio (P2-22)].
Menu Menu name Unit Display range Initial value Mode
*P2-25 Parameter Init Currt/dFLT currt SPT
When servo is used, parameters are set in various values. To restore parameters to servo's
initial value (basic set value) during operation, press Prog key. When "Parameter dFlt" is
displayed on the screen, press Enter key. All parameters except the motor parameters ([P1-
01] - [P1-09]) are restored to their initial values.
Menu Menu name Unit Display range Initial value Mode
P2-26 SPDIN Delay ms 0~100 0 S
Sets the analog speed command (SPDIN) delay in terms of [ms].
Recommended set value range: 0 – SCI TC (P2-04)/20
(Example) If SCI TC (PP2-04) is 50 (ms], the set range is 0 - 2.5[ms].
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