Mitsubishi A1SD75M1, User Manual

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12 - 34
MELSEC-A
12 CONTROL AUXILIARY FUNCTIONS
(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 ON) of the PLC READY
signal (Y1D).
Setting item
Setting
value
Setting details
Factory-set
initial value
Pr.13
Software stroke
limit upper limit
value
Set the upper limit value of the moveable range. 2147483647
Pr.14
Software stroke
limit lower limit
value
Set the lower limit value of the moveable range. –2147483648
Pr.15
Software stroke
limit selection Set whether to use the " Md.29 Current feed value" or
" Md.30 Machine feed value" as the "current value".
0: Current feed
value
Pr.16
Software stroke
limit valid/invalid
setting
1 : V a l i d
Set whether the software stroke limit is validated or
invalidated during manual control (JOG operation,
manual pulse generator operation).
0: Invalid
* Refer to section "5.2 List of parameters" for setting details.
(6) Invalidating the software stroke limit
To invalidate the software stroke limit, set the following parameters as shown,
and write them to the AD75.
Pr.13
Software stroke limit
upper limit value
= Pr.14
Software stroke limit
lower 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 ON) of the PLC READY
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.