Chapter objectives, Formatting the message packet – Rockwell Automation 6001-F2E AB STANDARD DRIVER SFTW User Manual
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Appendix
B
B-1
Specifying Message Packet Commands with
Send_StdDrv()
Use the information in this appendix to format the Send_StdDrv()
function call. Your message packet format depends on whether you are
sending data to:
token-passing devices (such as the SLC-500)
slave-only DH-485 devices
This appendix contains:
the message packet format you need (and an explanation of the fields
each packet contains)
supported commands for the Send function call
The figures on the following pages show all possible fields in the Send
function call message packet. The unshaded blocks indicate fields that are
always included in your message packet. The shaded blocks indicate
fields that may be included in your message packet, depending on the
command. Use the appropriate message packet format for your particular
application.
Chapter Objectives
Formatting the Message Packet