Communication instructions Chapter 9
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 189
Symbol syntax
The following table defines the valid syntax for symbols.
Tip: Only global variables are supported.
Symbol Syntax Example
Variable PROGRAM:<program name>,<symbol name> PROGRAM:POU1.MyTag
Array <symbol name>[dim3, dim2, dim1]
(Maximum supported dimension is 3.
MyTag1[0]
MyTag2[3,6]
MyTag3[1,0,4]
Structure <symbol name>.<symbol name of struct field> MyTag4.time.year
MyTag5.local.time[1].year
CIPAPPCFG data type
The following table describes the CIPAPPCFG data type.
Parameter Data type Description
Service USINT Service code:
1 – 127
Class UINT Logical segment’s Class ID value:
1 – 65535
Instance UDINT Logical segment’s Instance ID value:
0 – 4294967295
Attribute UINT Logical segment’s Attribute ID value:
1 - 65535, 0 - No Attribute ID used
MemberCnt USINT Members ID count. Maximum Member ID values used:
1 - 3, 0 - No Member ID used
MemberId UINT[3] Member ID values:
0 - 65535
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