Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module - Manual (Page 118)

116 Publication 1757-UM007D-EN-P - December 2008
Chapter 9 Accessing HART Data
6. Click on the … box in the MSG instruction to configure the
message.
The MSG Configuration dialog box opens.
7. Set the Message Type to CIP Generic.
8. Set the Service Type to Custom.
9. Set the Service Code to 32 Hex.
10. Set the Class to c5 Hex.
11. Type the Instance in decimal.
The low 4 bits of the Instance are always 0. The upper 12 bits of
the Instance are the rack number that has been assigned to the
1770-HT1 module. For example, if the rack number is 1, the
Instance is 10 hex, or 16 decimal.
12. Set the Attribute to 0.
13. Set the Source Element to the tag that contains the outgoing
HART message.
14. Set the Destination to the tag that will contain the reply to the
HART message.