Mitsubishi A1SD75M3 User Manual page 506

12 CONTROL AUXILIARY FUNCTIONS
Setting item
Software stroke
Pr.13
limit upper limit
value
Software stroke
Pr.14 limit lower limit
value
Software stroke
Pr.15
limit selection
Software stroke
Pr.16 limit valid/invalid
setting
* Refer to section "5.2 List of parameters" for setting details.
(5) Setting the software stroke limit function
To use the "software stroke limit function", set the required values in the
parameters shown in the following table, and write them to the AD75.
The set details are validated at the rising edge (OFF
signal (Y1D).
Setting
value
Set the upper limit value of the moveable range.
Set the lower limit value of the moveable range.
Set whether to use the " Md.29 Current feed value" or
" Md.30 Machine feed value" as the "current value".
Set whether the software stroke limit is validated or
1 : V a l i d invalidated during manual control (JOG operation,
manual pulse generator operation).
(6) Invalidating the software stroke limit
To invalidate the software stroke limit, set the following parameters as shown,
and write them to the AD75.
Software stroke limit
Pr.13
upper limit value
(For manual operation, set "0: software stroke limit invalid" in the " Pr.16
Software stroke limit valid/invalid setting".)
The set details are validated at the rising edge (OFF
signal (Y1D).
When the unit is "degree", the software stroke limit check is not performed during
speed control (including speed control in speed/position changeover control) or
during manual control, independently of the values set in Pr.13 , Pr.14 and
Pr.16 .
REMARK
•
Parameters are set for each axis.
•
It is recommended that the parameters be set whenever possible with the AD75
software package. Execution by sequence program uses many sequence
programs and devices. The execution becomes complicated, and the scan times
will increase.
Setting details
Pr.14
=
12 - 34
MELSEC-A
ON) of the PLC READY
Factory-set
initial value
2147483647
–2147483648
0: Current feed
0: Invalid
Software stroke limit
lower limit value
ON) of the PLC READY
value