1 get attribute single message example – Rockwell Automation MD65 EtherNet/IP Communication Module User Manual

Page 60

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7-6

EtherNet/IP Communications Module

7.4.1 Get Attribute Single Message Example

A Get Attribute Single message reads a single attribute value. In
this example, we read the value of a parameter in an MD65 drive.

Message Format Example

Table 7.1 identifies key settings for the message format:

Figure 7.4 – Message Format for a Get Attribute Single Message

Table 7.1 – Settings for Message Format

Configuration

Value

Description

Page

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.)

Parameter Read Value

Read Parameter Data
Get_Attribute_Single

MDI 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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