Panasonic MINAS A5-series Operating Instructions Manual page 249

4. Manual Gain Tuning (Basic)
Gain Switching Function
speed N
level
1st
motor speed or
commanded
speed
level
1st
command
speed S
1st
at stall
1st gain
| actual speed |
Caution
Above Fig. does not reflect a timing lag of gain switching due to hysteresis (Pr1.18, 1.23 and
1.27).
Fig.A
switching level
switching level
1st gain
2nd 2nd 1st
Fig. C
delay
2nd gain 1st
Fig. E
delay
2nd gain 1st
command pulse no command pulse
exists. × Pr1.16,delay time
in action
2nd gain
<
(Pr1.17 level - Pr1.18 hysteresis)
<
| actual speed | (Pr1.17 level - Pr1.178 hysteresis)
command
speed S
ΔS
level
delay
1st gain
1st 2nd
speed N
deviation pulse
level
1st 2nd gain
speed N
COIN
1st 2nd gain
<
| actual speed |
Pr1.17 level
at settling proximity of stall
2nd gain for velocity integrating
2nd gain
only and 1st gain for others
Fig. B
2nd 1st
Fig. D
delay
1st
Fig. F
delay
1st
Fig. G
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