24 Rockwell Automation Publication 1756-PM020F-EN-P - January 2019
3rd Message Reply Field Bytes (in hex) Description - Symbolic Segment Addressing
nn nn nn…nn Data for Elements 980 through 1469
4th Message Request Field Bytes (in hex) Description - Symbolic Segment Addressing
Request Service 52 Read Tag Fragmented Service (Request)
Request Path Size 06 Request Path is 6 words (12 bytes) long
Request Path 91 0A 54 6F 74 61 6C 43 6F 75 6E 74 ANSI Ext. Symbolic Segment for TotalCount
Request Data D6 06 Number of elements to read (1750)
BE 05 00 00 Start at this offset (1470) and return as much as will fit
4th Message Reply Field Bytes (in hex) Description - Symbolic Segment Addressing
Reply Service D2 Read Tag Fragmented Service (Reply)
Reserved 00
General Status 00 Success
Extended Status Size 00 No extended status
Reply Data C2 00 SINT Tag Type Value
nn nn nn…nn Data for Elements 1470 through1749
See also
Read Tag Fragmented Service Error Codes on page 26
Reading the tag TotalCount that has 1750 SINTs using Symbol Instance
Addressing would consist of these four service requests with service data, as
shown in the tables. The value used for Instance ID was determined using
methods described in CIP Services and User-created Tags.
1st Message Request Field Bytes (in hex) Description - Symbol Instance Addressing
Request Service 52 Read Tag Fragmented Service (Request)
Request Path Size 03 Request Path is 3 words (6 bytes) long
Request Path 20 6B
25 00 1A E0
Logical Segment for Symbol Class ID
Logical Segment for Instance ID for the tag TotalCount
Request Data D6 06 Number of elements to read (1750)
Data Offset 00 00 00 00 Start at this element (0) and return as much will fit
1st Message Reply Field Bytes (in hex) Description - Symbol Instance Addressing
Reply Service D2 Read Tag Fragmented Service (Reply)
Reserved 00
Instance Addressing
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