Rockwell Automation Publication 1756-PM020F-EN-P - January 2019 65
Message Reply Field Bytes (in hex) Description - Symbolic Segment Addressing
Reply Service CD Write Tag Service (Reply)
Reserved 00
General Status 00 Success
Extended Status Size 00 No extended status
See also
Atomic Members of Predefined Data Types on page 63
Read two elements of profile[0,1,257], which is a three dimensional DINT
array The values of the tag are 572 and 50988.
Message Request Field Bytes (in hex) Description - Symbolic Segment Addressing
Request Service 4C Read Tag Service (Request)
Request Path Size 09 Request Path is 9 words (18 bytes) long
Request Path 91 07 70 72 6f 66 69 6c 65 00
28 00
28 01
29 00 01 01
ANSI Ext. Symbolic Segment for profile
Member Segment for 0
Member Segment for 1
Member Segment for 257
Request Data 02 00 Number of elements to read (2)
Message Reply Field Bytes (in hex) Description - Symbolic Segment Addressing
Reply Service CC Read Tag Service (Reply)
Reserved 00
General Status 00 Success
Extended Status Size 00 No extended status
Reply Data C4 00 DINT Tag Type Value
F0 02 00 00
2C C7 00 00
0x000002F0 = 752 decimal
0x0000C72C=50988 decimal
See also
Atomic Members of Predefined Data Types on page 63
Read one element of profile[0,1,257] which is a three dimensional array of
DINTs.
Message Request Field Bytes (in hex) Description
Request Service 4C Read Tag Service (Request)
Request Path Size 07 Request Path is 7 words (14 bytes) long
Example 4 (Symbolic Segment
Addressing Method)
Example 5 (Symbol Instance
Addressing Method)
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