Difference between revisions of "MC-Basic:IDNVALUE"
(Created page with '{{MC-Basic |SHORT FORM= Ival |SYNTAX= IdnValue (''<drive address>, <IDN>, <element>'') |AVAILABILITY= All versions |DESCRIPTION= This function is used to read the value of a s…') |
m (1 revision) |
(No difference)
| |
Revision as of 16:09, 13 December 2010
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 numeric values.
Use the IDNSTATE query to read the execution state of a SERCOS procedure executing on the drive.
Short form
Ival
Syntax
IdnValue (<drive address>, <IDN>, <element>)
Availability
All versions
Range
<drive address>: 1 to 254
<IDN>: 1 to 65536
<element>: 1 to 7
Scope
Configuration, Task or Terminal
Limitations
Read-Only. Executed only in SERCOS communication phases 2, 3 and 4.
The IDN must be defined.
Examples
?IdnValue(1, 189, 7) ‘Get drive position following error