Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual - Manual (Page 39)

Publication 1747-RM623D-EN-P - June 2006
Work with the ControlNet Explicit Message Instruction 4-5
• Service Code (hex)
This field is read-only unless the Custom Service is selected.
Possible Service Codes are 1 to 7F (hex). See Volume 1 of the
CIP Common Specification, Appendix A, for the list of valid
explicit messaging Service Codes.
• Class (hex)/(dec)
Possible Classes are 0 to FF (hex). See Volume 1 of the CIP
Common Specification for the list of defined Classes. You may
either enter in a hexadecimal Class value in the (hex) field or a
decimal Class value in the (dec) field.
• Instance (hex)/(dec)
Possible Instances are 0 to FFFF (hex). See Volume 1 of the CIP
Common Specification for the list of valid Instances for each
Class. You may either enter in a hexadecimal Instance value in
the (hex) field or a decimal Instance value in the (dec) field.
• Attribute (hex)/(dec)
Possible Attributes are 0 to FFFF (hex). See Volume 1 of the CIP
Common Specification for the list of valid Attributes for each
Class. You may either enter in a hexadecimal Attribute value in
the (hex) field or a decimal Attribute value in the (dec) field.
• Member (hex)/(dec)
Possible Members are 0 to FFFF (hex). See Volume 1 of the CIP
Common Specification for the list of valid Members for each
Class. You may either enter in a hexadecimal Member value in
the (hex) field or a decimal Member value in the (dec) field.