Difference between revisions of "MC-Basic:IDNSTRING"
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Latest revision as of 09:19, 22 May 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