Formatting a message to write to a parameter – Rockwell Automation 22-COMM-C ControlNet Adapter User Manual
Page 67
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Using Explicit Messaging
6-7
Formatting a Message to Write to a Parameter
This write message example is for parameter P039 - [Accel Time 1] for a
PowerFlex 4-Class drive.
For supported classes, instances, and attributes, refer to
,
.
Configuration Box
Example Value Description
Communication
Command
Service Code
Class Number
Instance Number
Attribute Number
PLC-5 Data Table
Address
Size in Elements
Port Number
Local ControlNet Node
CIP Generic
10 (Hex.)
f (Hex.)
27 (Hex.)
1 (Hex.)
N7:3
1
2
2
CIP messages are used to access the Parameter object in
the 22-COMM-C.
The code for the Set_Attribute_Single service.
The Class ID for the CIP Parameter object.
The instance number is the same as the parameter number
in Single mode operation.
The attribute number for the Parameter Value attribute.
The user-defined address for any request service data sent
by the controller.
The number of elements in the request data.
The channel on the PLC-5 used for the ControlNet network.
The node address of the 22-COMM-C adapter.
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