4. Configuration
127
Figure 4-46. OPC Server Settings
The Gateway Configuration is the same set in the Gateway used for the communication between the
MasterTool IEC XE and the PLC and described in Communication Configuration, present in the
MasterTool IEC XE User Manual – MU299609. If the configuration used is localhost, the Gateway
Address must be filled with 127.0.0.1. This configuration is necessary because the OPC Server uses
the same communication gateway and the same protocol used for communication between PLC and
MasterTool IEC XE.
There’s the option Using the Gateway Embedded in PLC that can be selected when it’s desired to use
the Gateway that is in PLC itself. This option can be used to optimize the communication, since it
prevent excess traffic through a particular station, when more than one station with OPC Client is
connected to the same PLC.
To configure the PLC, there a two possible configuration types, depending on the selection of the
checkbox Use TCP/IP Blockdriver. When the option isn’t selected, the field Device Name must be
filled with the name of the PLC. This is the name displayed by the PLC selected as active in the
Communication Settings screen.
The other option is to use the IP Address of the Ethernet Interfaces. The same address set on the
configuration screens must be put in this field. Furthermore, when this method is used, the port
number must be set to 11740. The confirmation will save the OPC Server configurations.
PLC description
inside the OPC
Server configuration
file. This field can
have any name, but
for organizational
purposes, it’s
This field is a
STRING and it
accepts alphanumeric
(letters and numbers)
characters and the “_”
character. It’s not
allowed to initiate a
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General