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Rockwell Automation 2100-ENET CENTERLINE 2100 Motor Control Centers EtherNet/IP Network Adapter User Manual

Page 52

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52

Rockwell Automation Publication 2100-UM006A-EN-P - July 2013

Chapter 6

Using Explicit Messaging

The following table identifies the data that is required in each box to configure a
message to write a single parameter.

Table 6: Configure a Message to Write a Single Parameter

ControlLogix Example Ladder Logic Program to Read a Group of Parameter by Using the E3
Status Object (not for 825-P)

Table 7: Example Controller Tags to Read Multiple Parameters

Figure 15: ControlLogix Example Ladder Logic Program to Read Multiple Parameters

Configuration Tab

Example Value

Description

Message Type
Service Type

(1)

Service Code

(1)

Class
Instance
Attribute
Source Element

Source Length

CIP Generic
Parameter Write
10 (Hex.)
f (Hex.)
28 (Dec.)
1 (Hex.)
FLA Setting

2

Used to access the Parameter Object in the adapter.
This service is used to write a parameter value.
Code for the requested service.
Class ID for the end device.
Instance number is the same as parameter number.
Attribute number for the Parameter Value attribute.
Name of the tag for any service data to be sent from the scanner or
bridge to the adapter/end device.
Number of bytes of service data to be sent in the message.

Communication Tab

Example Value

Description

Path

(2)

My_E3_Plus

The path is the route that the message follows.

Tag Tab

Example Value

Description

Name

Single_Write_Message

The name for the message.

(1) The default setting for Service Type is Custom, enabling entry of a Service Code not available from the Service Type pull-down menu. When

choosing a Service Type other than Custom from the pull-down menu, an appropriate Hex. value is automatically assigned to the Service Code
box, which is dimmed (unavailable).

(2) Click Browse to find the path, or type in the name of the device listed in the I/O Configuration folder.

Operand

Controller Tags for Read Multiple Message

Data Type

XIC

Execute_E3Status_Read_Message

BOOL

MSG

E3Status_Read_Message

MESSAGE