6.6 Software Limit Function
125
6.6
Software Limit Function
The software limit function forcibly stops the servomotor (zero-speed stop*) in the same way as an
overtravel signal when the machine movable section enters the software limit zone.
* Stops the servomotor by setting reference to zero (0).
6.6.1 Conditions Needed to Enable the Software Limit Function
The software limits are detected under the following conditions. Under all other circumstances, they
will not be detected and the software limit monitor in STATUS field will be fixed to 0.
1. The homing (ZRET) operation has been completed.
2. Coordinate setting has been completed after setting the reference point (REFE=1) by using POS_SET
(coordinate setting).
6.6.2 Parameters Related Software Limit Function
The set value will be immediately written to the SERVOPACK.
Parame-
ter
No.
Name
Data
Size
Min.
Set Value
Max.
Set Value
Units
Factory Setting
Pn801
Function Selection
Application 6
(Software LS)
2
0000H
0113H
−
0003H
Pn804
Forward Software
Limit
4
-1073741823
1073741823
1 Reference
unit
1073741823
Pn806
Reverse Software
Limit
4
-1073741823
1073741823
1 Reference
unit
-1073741823
0
1
2
3
Forward and Reverse software limit enabled.
Forward software limit enabled.
Reverse software limit disabled.
Software limit disabled in both directions.
Software Limit Function
(Refer to "7.3.3 Software Limit Settings.")
n.
No software limit check using references.
Software limit check using references.
Software Limit Check Using References
(Refer to "7.3.3 Software Limit Settings.")
0
1
0
4th
digit
3rd
digit
2nd
digit
1st
digit
Reserved
–
0
–
Reserved
TOEP_C710806_03A_1_0.book Seite 125 Montag, 2. Juli 2007 3:55 15
