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ProSoft Technology PLX31-EIP-SIE User Manual

Page 81

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PLX3x Series

EIP Protocol

Ethernet and Serial Gateways

User Manual

ProSoft Technology, Inc.

Page 81 of 218

September 17, 2014

5.4.2 PLC5 Processor Specifics

Messaging from a PLC5

The gateway can be used to receive messages from a PLC5 containing an
Ethernet interface. The gateway supports both read and write commands. A
discussion of each operation is provided in the following topics:

PLC5 Write Commands
Write commands transfer data from the PLC5 processor to the gateway. An
example rung used to execute a write command is shown in the following
diagram:

In order to complete the configuration of the MSG instruction, select the SETUP
SCREEN
area of the MSG object. This displays the following dialog box.

Select the COMMUNICATION COMMAND to execute from the following list of
supported commands.

PLC5 Type Write

PLC2 Unprotected Write

PLC5 Typed Write to PLC

PLC Typed Logical Write

The TARGET DEVICE DATA TABLE ADDRESS must be set to a valid file
element (such as, N11:0) for SLC and PLC5 messages. For the PLC2
Unprotected Write message, set the address to the database index (such as,
1000) to consider with the command.