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6.3.2. Program Positioning Operation
The program positioning operation means an execution of some preprogrammed positioning
commands and operational conditions in the program channels. The inputs of PRG0 to PRG7
specify a program channel and the input RUN (Start program) starts the positioning operation.
◊
The program operation is available via RS-232C communication.
The commands and parameters related to positioning operations are listed in the Table 6-5.
Refer to “9. Details of Commands and Parameters” for more details.
Table 6-6: Inputs/Outputs and parameters related to program positioning.
Category
Name
(code)
Function
Initial
setting
Data range
Unit
RUN
Start program
–
Turning ON from OFF starts positioning. .
–
PRG0 to 7
Internal program channel
selection
–
Specifies the program channel by ON and OFF
(binary combination)
–
Cont
rol
Input
STP
Stops positioning
operation.
–
OFF: Positioning permitted
ON: Starts decelerating and inhibits positioning
operation.
–
BUSY
In-operation –
Open: Idle
Closed: Executing positioning.
–
Cont
rol
Output
IPOS
In-position –
Open: Positioning unfinished. Lost target
position.
Closed: Positioning completed. Target position
secured.
–
FW
IPOS output mode
–1.0
– 0.1 to – 10 000.0: CFIN mode
0.0: IPOS mode
0.1 to 10 000.0: FIN mode
ms
–
ms
BW
BUSY signal stability
timer
0.0
0.0 to 10 000.0
ms
MD
Deceleration select
0.0
0.0: Applies the deceleration value specified in
the program being executed.
0.1 to 800.0
–
s
-2
Param
e
ter
OE
Sequence code
0
0: Completes a positioning after the completion of channel
program that is currently being executed.
1: After completion of channel program that is currently
executed, the input RUN executes the program of the
channel with the next channel number. (Disregards the
input PRG.)
2: Automatically executes the program of the channel with
the next channel number after completion of the
channel program that is currently executed.
Besides the positioning commands, rotational velocity and acceleration, it is possible to program
almost all parameters including servo gains and conditions for completing positioning.
These functions make possible to have optimal tuning that is suited for each positioning
operation.
The contents of program are simple. It consists of the settings of parameter and positioning
commands and they will be sequentially executed from the beginning. Figure 6-5 below
illustrates an example of a program.
Summary of Contents for Megatorque PS Series
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