Create The Controller Tags For The Write Message Program - Allen-Bradley ControlLogix User Manual

Create the Controller Tags for the Write Message Program

You must create a source tag for the message under the controller scope and
assign it the same data type as the destination element (e.g., INT).
1. Double-click on the Controller Tags folder in the Project window.
The Controller Tags window will appear.
2. Select the Edit Tags tab and create the following tags:
Tag
SUM
PLUS_ONE
L1_to_PLC5
Mssg_to_PLC5
Logix5550 Controller to PLC-5C: Unscheduled Messaging
Alias For Type
INT
INT
MESSAGE
SUM INT
5-3
Style
Decimal
Decimal
Decimal
1756-6.5.3 - December 1999