MC-Basic:IDNVALUEDOUBLE

This function is used to read the double type numeric value of a specified element of an IDN from a specified drive.

Short form

IvalD

Syntax

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

Availability

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

Type

returned value>: Double

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

?IDNVALUEDOUBLE(1, 47, 7)

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

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

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

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

See Also

• IDNSTATE
• WRITEIDNSTRING
• WRITEIDNVALUE