Appendix
F
Ethernet/IP Communication with ControlLogix PLCs
FIGURE F–29.
Add Controller Tags
Now that we have defined the data types we will need, we can add Controller
Tags that will be placeholders to contain the data. Right click on Controller Tags
in the tree and select Edit Tags.
Add a tag named Match_String of type HE1600T_String to hold our output
match string. Also, add a tag named Results of type Input_Assembly to hold the
results coming from the camera.
In addition, we can create aliases that map to the Ethernet/IP memory locations
for better readability of the program. For this example, we will use the alias
IO_Out as an alias for the first DINT of the output assembly and User_Tag_Out
for the second DINT. The aliases User_Data_In and User_Data_Out will
correspond to the fifth DINT of the respective input and output assemblies. The
resulting set of controller tags will look as shown in Figure F–30):
F-26
Visionscape® Smart Camera HE1600T Guide
Rev. 1H, Mar 2009
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