Controller Messages; Introduction To Controller Messages; Supported Data Types - Allen-Bradley Logix 5000 Programming Manual
Controllers messages
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Introduction to Controller
Messages
Supported data types
Example:
Execute a message (MSG) instruction
If count_send = 1
and count_msg.EN = 0 (MSG instruction is not enabled)
then execute a MSG instruction that sends data to another controller.
Controller messages
This section describes how to transfer (send or receive) data between controllers
by executing a message (MSG) instruction. It explains cache connections and
buffers so you can correctly program the controller.
The following data types are supported when sending CIP messages.
•
SINT
•
INT
•
DINT
•
LINT
•
REAL
In addition, you can send a message with any structure type that is predefined,
module-defined, or user-defined.
For more information, see
For complete details on programming a message instruction, see the
Controllers General Instruction Reference
Rockwell Automation Publication 1756-PM012H-EN-P - February 2018
"Convert between INTs and DINTs
Manual, publication 1756-RM003.
Chapter 1
on
page
18".
LOGIX 5000
11
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