Difference between revisions of "MC-Basic:IDNVALUE"

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|LIMITATIONS=
 
|LIMITATIONS=
Read-Only. Executed only in SERCOS communication phases 2, 3 and 4.<br>
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Read only. Executed only in SERCOS communication phases 2, 3 and 4.<br>
  
 
The IDN must be defined.
 
The IDN must be defined.

Revision as of 13:29, 18 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 numeric values.

Use the IDNSTATE query to read the execution state of a SERCOS procedure executing on the drive.

IMPORTANT.svgIMPORTANT
THIS COMMAND IS OBSOLETE

Short form

Ival

Syntax

IdnValue (<drive address>, <IDN>, <element>, {<ring>}, {<connection>} )

Availability

All versions {<ring>}, {<connection>}) options - from AMCS 0.4.7.12 for SERCOS III

Type

<returned value>: Long

Range

<drive address>: 1 to 254
<IDN>: 1 to 65536
<element>: 1 to 7 <ring>:1

<connection>:0 to 2 for normal systems (0 = chose automatically, 1 = first AT connection, 2 = first MDT connection)

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

?IDNVALUE (<drive>, <idn>, <element>)

?IDNVALUE (<drive>, <idn>, <element>, <ring>)

?IDNVALUE (<drive>, <idn>, <element>, , <connection>) --> Translator note: Ring number is zero

?IDNVALUE (<drive>, <idn>, <element>, <ring>, <connection>)

See Also