Difference between revisions of "MC-Basic:IDNSTRING"
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This function is used to read the value of a specified element of an IDN from a specified drive. It should be used when reading an IDN that takes string values. | This function is used to read the value of a specified element of an IDN from a specified drive. It should be used when reading an IDN that takes string values. | ||
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|TYPE= | |TYPE= | ||
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|LIMITATIONS= | |LIMITATIONS= | ||
| − | Read only | + | *Read only |
| + | *Executed only in SERCOS communication phases 2, 3 and 4 | ||
| + | *Not supported in EtherCAT system | ||
| + | |||
|EXAMPLE= | |EXAMPLE= | ||
Revision as of 10:54, 26 March 2014
This function is used to read the value of a specified element of an IDN from a specified drive. It should be used when reading an IDN that takes string values.
Short form
Istr
Syntax
?IdnString (<drive address>, <IDN>, <element>)
Availability
All versions
Range
<drive address>: 1 to 254
<IDN>: 1 to 65535
<element>: 1 to 7
Scope
Configuration, Task or Terminal
Limitations
- Read only
- Executed only in SERCOS communication phases 2, 3 and 4
- Not supported in EtherCAT system
Examples
?IdnString(1, 95, 7) ‘Get diagnostic message from drive