User Manual Manual

Publication 2706-UM017C-EN-P - March 2006
Application Guide 4-33
• Variable Array Size. The size of the array (16 to 80 characters for
SLC 5/05 controller) containing the variable data. The maximum
array size is dependent on the controller and must be an even
integer.
The address tags are either an Integer ( N ) or ASCII ( A ) data file.
Both the Message Trigger and Message Data addresses must fall
entirely within a single 80 byte block, including the Message Data
array size. You can choose to use either an Integer or ASCII data file,
but you cannot use more than one data file. For example, a Message
Trigger address of N7:0 and a Message Data address of N9:0 is not
valid. At the same time, a Message Trigger address of N7:0 and a
Message Data address of N7:35, with a Message Data array size of 16,
is not valid because the array falls outside of the 40 word (80 byte )
block.
PLC-5E Controller
EtherNet/IP Communication Setup
IMPORTANT
Variable Trigger and Variable Data addresses work
the same as Variable Array Size.