Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual User Manual
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Publication 1747-RM623D-EN-P - June 2006
4-4 Work with the ControlNet Explicit Message Instruction
• Data Table Address (Send Data)
If Size in Words (Send Data) is non-zero, then this field requires
a starting integer (N) file address for storing the Send Data.
• Data Table Address (Receive Data)
If Size in Words (Receive Data) is non-zero, then this field requires a
starting integer (N) file address for storing the Receive Data.
Parameters for target device on the general tab include the following.
• Message Timeout (x1 ms)
The amount of time in milliseconds that the scanner will wait for
a reply to the explicit message command. Range is 2 to 32767.
• ControlNet Addr (dec)
The target ControlNet node address. Valid range is 1 to 99. If
you enter in the local scanner’s ControlNet node address, the
command is executed by the local scanner.
• Service
This pull-down menu lets you select services based on name
rather than Service Code. The Custom service lets you enter any
Service Code in the hexadecimal range of 1 to 7F. These services
are listed in the pull-down selection.
– Read Assembly
– Write Assembly
– Write Output Point
– Read Output Point
– Read Input Point
– Read Parameter
– Write Parameter.
– Read Analog Input
– Write Analog Output
– Generic Get Attribute Single
– Generic Set Attribute Single
– Generic Get Member
– Generic Set Member
– Reset Identity Object
– Custom