Difference between revisions of "MC-Basic:SERCOS.NUMBERAXES"
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|DESCRIPTION= | |DESCRIPTION= | ||
This property allows you to query the actual number of SERCOS drives detected on the ring. This value is generated during communication phase 1, when the SERCOS driver scans the ring for drives (or when the the drive addresses are explicitly set). This property is used in expressions. | This property allows you to query the actual number of SERCOS drives detected on the ring. This value is generated during communication phase 1, when the SERCOS driver scans the ring for drives (or when the the drive addresses are explicitly set). This property is used in expressions. | ||
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|TYPE= | |TYPE= | ||
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|LIMITATIONS= | |LIMITATIONS= | ||
| − | This read-only property is executed in all SERCOS communication phases, but returns zero if executed in communication phase 1. The number of drives is less than or equal to the number supported by the particular MC. | + | *This read-only property is executed in all SERCOS communication phases, but returns zero if executed in communication phase 1. The number of drives is less than or equal to the number supported by the particular MC. |
| + | *Not supported in EtherCAT system | ||
|EXAMPLE= | |EXAMPLE= | ||
Revision as of 11:33, 26 March 2014
This property allows you to query the actual number of SERCOS drives detected on the ring. This value is generated during communication phase 1, when the SERCOS driver scans the ring for drives (or when the the drive addresses are explicitly set). This property is used in expressions.
Short form
Ser.NAxes
Syntax
?Sercos.NumberAxes
Availability
All versions
Type
Long
Range
0 to 63
Scope
Configuration, Task or Terminal
Limitations
- This read-only property is executed in all SERCOS communication phases, but returns zero if executed in communication phase 1. The number of drives is less than or equal to the number supported by the particular MC.
- Not supported in EtherCAT system
Examples
If sercos.NumberAxes <> 5 Then ...