ProSoft Technology MVI46-DFNT - Manual (Page 145)

MVI46-DFNT ♦ SLC Platform Reference
EtherNet/IP Client/Server Communication Module User Manual
ProSoft Technology, Inc. Page 145 of 177
October 12, 2010
Complete the dialog box for the data area to be transferred. For PLC5 and SLC
messages, the S
OURCE E LEMENT
should be an element in a data file (such as,
N10:0). For the PLC2 Unprotected Read message, the S
OURCE E LEMENT
is the
address in the module’s internal database and cannot be set to value less than
ten. This is not a limitation of the module but of the RSLogix software.
Additionally, the C
OMMUNICATION
information must also be configured. An
example of the dialog box follows:
Verify that the CIP radio-button is selected as the C OMMUNICATION M ETHOD
. The
P ATH
specifies the message route from the ControlLogix processor to the DFNT
module. Path elements are separated by commas. In the example path shown,
the first element is "Enet", which is the user-defined name given to the 1756-
ENET module in the chassis (you could substitute the slot number of the ENET
module for the name), the second element, "2", represents the Ethernet port on
the 1756-ENET module, and the last element of the path, "192.168.0.75", is the
IP address of the DFNT module, the target for the message.
More complex paths are possible if routing to other networks using multiple 1756-
ENET modules and racks. Refer to the Rockwell Automation Support
Knowledgebase for more information on Ethernet routing and path definitions.
CIP Data Table Operations
This method of data transfer uses CIP messages to transfer data between the
ControlLogix processor and the module. Tag names define the elements to be
transferred. The following topics describe the support for the read and write
operations.