PLX3x Series ♦ Multi-Protocol Gateways EIP Protocol
User Manual
ProSoft Technology, Inc. Page 89 of 215
January 25, 2018
CIP Data Table Operations
You can use CIP messages to transfer data between the ControlLogix or
CompactLogix processor and the gateway. Tag names define the elements to be
transferred. The gateway supports both read and write operations.
CIP Data Table Write
CIP data table write messages transfer data from the processor to the gateway.
The following diagram shows an example rung that executes a write command.
1 In the Message Configuration dialog box, define the data set to be transferred
from the processor to the gateway as shown in the following image.
2 Complete the dialog box for the data area to be transferred. CIP Data Table
messages require a tag database element for both the source and
destination.
o The SOURCE TAG is a tag defined in the Controller Tag database.
o The DESTINATION ELEMENT is the tag element in the gateway.
o The gateway simulates a tag database as an array of elements defined by
the maximum register size for the gateway with the tag name INT_DATA
(with the maximum value of int_data[3999]).
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