Nidec Control Techniques Digitax-SF DA21223, Instruction Manual

Page: 264 / 386

29
Digitax SF I
nstruction Manual
Operation
６
6. Operation
5. Position Control Mode
5.
Position Control Mode
Example of Operation 2 Continuous Positioning Motion
No. Position Rotational
Speed
[
rpm
]
Acceleration
Time
[ms]
Deceleration
Time
[ms]
Dwell Time
[ms]
Command
Method
Running
Motion
Positioning
Complete
[pulse]
Enable/
Disable
1 5,000 300 100 150 100 Absolute
continuous
20 enable
2 -6,000 200 100 100 50 Relative Single 20 enable
For the last “enabled” point number, set Running Motion = “single”.
t
he acceleration/deceleration setting of the first point number that is selected upon CW start PCSTART1 ON will
be applied, and the settings of subsequent point numbers will be discarded.
ON
−
Input
PCSEL1…4
Input
(Output)
MEND
PCSTART1
ON
OFF
OFF
0 [
rpm
]
ON
OFF
ON
IJ
Point
No.1
Command
Point
No.2
(Output)
PM1…3
1
1
1 2
OFF
Input
SVON
−
0 [pulse]
0
0
0
State
of Servo
Select
Point No.
Start
Motor
Rotational
Speed
Position
Error
Motion
Complete
Point No.
Signal Name Description Chart
Deceleration
Time No.1
Deceleration
Time No.2
Rotational
Speed No.1
Rotational
Speed No.2
Acceleration
Time No.1
Dwell Time
No.2
Dwell Time
No.1
(Waiting for Positioning
Complete)
(Waiting for Positioning
Complete)
Positioning Complete
No.2
Parameter No. 644.0＝1
Parameter No. 644.0＝2
Parameter No. 644.0＝0
Positioning Complete No.1
Acceleration
Time No.2
This procedure executes a series of positioning motion
following
the point numbers
in
order.
Set Running Motion of “enabled” point numbers to “continuous”, and specify the
first point number for turning on the CW drive signal PCSTART1.
For this motion group, set Dwell Time = 1 ms or higher .
Example of Point Table Setting (Continuous Positioning Operations)