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CHAPTER 5: ETHERNET/IP PROTOCOL
5.3 CONFIGURING PLC CONTROLLER TAGS
After you have configured Node 01 via OnDemand Node Configuration, open your
PLC control software (RSLogix 5000 for ControlLogix) and define two Controller
Tags (a Write Tag and a Read Tag).
Be sure to use the same Write Tag Name and Read Tag Name specified in the
OnDemand Node Configuration (i.e., EMS_WRITE1 and EMS_READ1).
These tags must also have the capacity to store an integer array equal to your
previously specified Max Write/Read Size + 3 words.
So for example, if the Max Read Size you specified earlier was 100 words, the
corresponding Read Tag in the PLC must be able to store an array of 103 integers.
5.3.1 Controller Tags Summary
• Write Tag holds PLC-bound response data written by the HS500E after
executing a command.
• Read Tag holds HS500E-bound RFID commands and other instructions
written by the Host.
After creating and defining Write and Read Tags for the HS500E, return to the PC
and the HS500E’s HTML Server – Main Page to continue.
HS500E – OPERATOR’S MANUAL P/N: 17-1305 REV02 (12-05)
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