ProSoft Technology MVI71-DFNT User Manual

Page 145

MVI71-DFNT ♦ PLC 5

Reference

EtherNet/IP Client/Server Communication Module

User Manual

ProSoft Technology, Inc.

Page 145 of 175

February 3, 2011

Complete the dialog box for the data area to be transferred. For PLC5 and SLC

messages, the

ESTINATION

LEMENT

should be an element in a data file (such

as, N10:0). For the PLC2 Unprotected Write message, the

ESTINATION

LEMENT

is the address in the module’s internal database and cannot be set to a value

less than ten. This is not a limitation of the module but of the RSLogix software.

For a PLC2 unprotected write or read function, the database address should be

entered in octal format. Additionally, the

OMMUNICATION

information must also

be configured. The following is an example of the dialog box.

Verify that the

CIP

radio-button is selected as the

OMMUNICATION

ETHOD

. The

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.

Encapsulated PCCC Read Message
Read commands transfer data from the module to a ControlLogix processor. The

following encapsulated PCCC commands are supported from a ControlLogix

Processor:


PLC2 Unprotected Read



PLC5 Typed Read



PLC5 Word Range Read



PLC Typed Read