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MELSEC-
A
5 DATA USED FOR POSITIONING CONTROL
1) The backlash compensation is valid after completed the machine zero point
return. Thus, if the backlash compensation amount is set or changed, always
carry out machine zero point return once.
2) The backlash compensation amount setting range is 0 to 65535, but it should
be set to 255 or less by using the following expression.
0
Backlash compensation amount
255
Movement amount per pulse
[Table 1]
Pr.1
setting value
Value set with peripheral device
(unit)
Value set with sequence program
(unit) *
0 : mm
0 to 6553.5 (
m)
0 to 65535 (
10
-1
m)
1 : inch 0 to 0.65535 (inch)
0 to 65535 (
10
-5
inch)
2 : degree 0 to 0.65535 (degree)
0 to 65535 (
10
-5
degree)
3 : pulse 0 to 65535 (pulse) 0 to 65535 (pulse)
* 1 to 32767 : Set as a decimal
32768 to 65535 : Convert into hexadecimal and set
[Table 2]
Pr.11
setting value
Pr.1
setting value
Value set with peripheral device
(unit)
Value set with sequence program
(unit)
0 : Standard mode
0 : mm
–214748364.8 to 214748364.7 (
m)
–2147483648 to 2147483647 (
10
-1
m)
1 : inch –21474.83648 to 21474.83647(inch)
–2147483648 to 2147483647 (
10
-
5
inch)
2 : degree 0 to 359.99999 (degree) 0 to 35999999 (
10
-5
degree
)
3 : pulse –2147483648 to 2147483647(pulse) –2147483648 to 2147483647 (pulse)
1 : Stepping motor
mode
0 : mm
–13421772.8 to 13421772.7 (
m)
–134217728 to 134217727 (
10
-1
m)
1 : inch –1342.17728 to 1342.17727 (inch)
–134217728 to 134217727 (
10
-5
inch)
2 : degree 0 to 359.99999 (degree)
0 to 35999999 (
10
-
5
degree)
3 : pulse –134217728 to 134217727 (pulse) –134217728 to 134217727(pulse)
Pr.13
Software stroke limit upper limit value
Set the upper limit for the machine's movement range during positioning control.
Pr.14
Software stroke limit lower limit value
Set the lower limit for the machine's movement range during positioning control.
Software stroke
limit lower limit
Software stroke
limit upper limit
Zero point
(Machine movement range)
Emergency stop
limit switch
Emergency stop
limit switch