Allen-Bradley 22-COMM-E FRN 1.xxx, User Manual

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6-6 Using Explicit Messaging
A Get Attribute Single message reads a single attribute value. In this
example, we read the value of a parameter in a PowerFlex 40 drive.
Example Message Format
Figure 6.4 Message Format for a Get Attribute Single Message
The following table identifies key settings for the message format:
Example Get Attribute Single Message
Configuration Value Description Refer to . . .
Service Type
(1)
Service Code
(1)
Class
Instance
Attribute
Destination
(1)
The default setting for Service Type is “Custom,” which enables you to enter a Service
Code that is not available from the Service Type pulldown menu. When you select a
Service Type other than “Custom” from the pulldown menu, an appropriate Hex. value
is automatically assigned to the Service Code box which grays out (unavailable).
Get Attribute Single
e (Hex.)
f (Hex.)
39 (Dec.)
1 (Hex.)
ParameterReadValue Read parameter data
Get_Attribute_Single
DSI Parameter Object
Parameter 39 - [Accel Time 1]
Parameter Value
Controller tag for response data C-27
C-12
C-24
C-24
C-25
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