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MELSEC-
A
5 DATA USED FOR POSITIONING CONTROL
1) Generally, the zero point is set at the lower limit or upper limit of the stroke
limit.
2) By setting the upper limit value or lower limit value of the software stroke limit,
overrun can be prevented in the software. However, an emergency stop limit
switch must be installed nearby outside the range.
3) To invalidate the software stroke limit, set the setting value to "upper limit
value = lower limit value". (The set value can be anything, provided it is within
the range.)
4) When the unit is "degree", the software stroke limit check is invalid during
speed control (including speed/position changeover control) or during manual
control.
Pr.15
Software stroke limit selection
Set whether to apply the software stroke limit on the "current feed value" or the
"machine feed value". The software stroke limit will be validated according to the
set value.
Pr.16
Software stroke limit valid/invalid setting
Set whether to validate the software stroke limit during JOG operation and manual
pulse generator operation.
Item
Setting value, setting range
Default
value
Setting value buffer
memory address
Value set with peripheral
device
Value set with sequence
program
Axis 1 Axis 2
Pr.17
Command in-position
width
The setting value range differs depending on the "
Pr.11
Stepping motor mode selection" or "
Pr.1
Unit setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
100
22
23
172
173
Pr.18
Torque limit setting
value
1 to 500 (%) 1 to 500 (%) 300 24 174
Pr.19
M code ON signal
output timing
0 : WITH mode 0
0 25 175
1 : AFTER mode 1
Pr.17
Command in-position width
Set the remaining distance that turns the command in-position ON. When
positioning control is started, the "command in-position signal (RX(n+1)E,
RX(n+4)E)" turns OFF, and the "command in-position signal" turns ON in the
range of the command in-position.
ON
OFF
Pr.17
Command in-position width
Speed
Position control start
Command
in-position signal