User manual

6-2 Using Explicit Messaging
Explicit Messages for a ControlLogix Controller
ControlLogix scanners accommodate both downloading Explicit
Message Requests and uploading Explicit Message Responses. The
scanner module can accommodate one request or response for each
transaction block. Each transaction block must be formatted as shown in
Figure 6.1
.
Figure 6.1 ControlLogix Message Format in RSLogix 5000
Refer to Page 6-3 for a description of the data that is required in each
box (1 – 9).
Formatting Explicit Messages
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TIP: To display the Message Configuration dialog box in RSLogix
5000, add a message instruction, create a tag for the message (properties:
base tag, MESSAGE data type, controller scope), and click the blue box
inside the message.