
6.5 Software Limit Function
6-12
Software Limit Monitoring
Check servo command input signal monitoring bits P_SOT and N_SOT for software limits.
Software limit operations are not performed in directions for which the software limit function is
disabled, and the corresponding servo command input signal monitoring bit is always "0."
•
Pn801 = n.
X
(Software Limit Check for References)
If the target position specified by a command such as POSING and INTERPOLATE is in the
software limit range, positioning will be performed by using the software limit value as the tar-
get position.
Parameter
Meaning
Data Size
(Byte)
Setting Range
Unit
Pn801
n.
0
Enable both forward and reverse soft-
ware limits.
2
0000h to
0103h
–
n.
1
Disable forward software limit.
n.
2
Disable reverse software limit.
n.
3
(Factory
setting)
Disable both forward and reverse soft-
ware limits.
n.
0
(Factory
setting)
Reserved
n.
0
(Factory
setting)
Do not perform software limit checks for
references.
n.
1
Perform software limit checks for refer-
ences.
n.0
(Factory
setting)
Reserved
Pn804
Forward Software Limit
4
−
1073741823
to
1073741823
Reference
unit
Pn806
Reverse Software Limit
4
−
1073741823
to
1073741823
Reference
unit