Publication 1752-UM001A-EN-P - October 2006
88 Create Your Application Program
I/O Comment Function
The I/O comment is an optional name, consisting of up to 32 ASCII
characters that can be registered in the controller for each I/O
terminal using RSNetWorx for DeviceNet software. These I/O
comments can be used in the object list of the Logic Editor as I/O
tags, simplifying programming.
I/O Comment
Programming Restrictions
Items, such as I/O tags and function blocks, can be used on each
page with the following restrictions:
• The same input tag can be placed on more than one page.
• The same input tag can only be used once on each page.
• Each output tag can only be used once in the application
program.
• Only function blocks can be copied. I/O tags, I/O tag
connections, and connections between function blocks cannot
be copied.
• When a function block is pasted, it is placed in the same
position as the function block that was copied. When pasting a
function block on the same page, move the source function
block.
• A maximum of 254 function blocks can be used.
• A maximum of 128 number jump addresses can be used.
• A maximum of 32 pages can be used.
• A maximum of 128 text boxes can be used for program
comments.
• The page setup cannot be changed if there are any items on the
workspace. Set up the size of the workspace first by choosing
File>Page Setup.
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