POSITION CONTROL FUNCTION
6.8
Parameter Setting and Details
When performing position control with the FR-A7AL, set the following parameters.
6.8.1
Block diagram
Inverter
Position command
Position command
source selection
Pr. 419
Parameter
FR-A7AL pulse
train input
Inverter pulse
train input
6.8.2
Selection of control method (Pr. 800)
Set the Pr. 800 setting to "3, 4, 5" to perform position control. Control circuit terminal function changes
depending on parameter setting.
(When the setting is "4 or 5", select position control by switching MC signal.)
64
0
acceleration/deceleration
Command
Electronic
pulse
gear
selection
Pr.420
1
Pr. 428
Pr.421
2
Position feed
forward
command filter
Pr. 425
Position command
time constant
Pr. 424
+
-
Position feedback
Position feed
forward gain
Pr. 423
Position
loop gain
Pr. 422
Speed control
+
+
Deviation
counter
-
Pr. 429
S
Clear signal
selection
IM
Encoder