Rockwell Automation FactoryTalk View Site Edition Users Guide - Manual (Page 171)

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Setting up communications
This chapter describes:
 Data servers and FactoryTalk Live Data.
 Basic steps for setting up communications.
 Adding RSLinx Enterprise data servers to an application.
 Setting up communications in RSLinx Enterprise.
 Adding OPC (Open Platform Communications) data servers to an application.
About data servers
Data servers provide access to devices, making it possible to browse, read, and write
values from FactoryTalk View applications.
FactoryTalk View SE supports the following types of data servers:
 Rockwell Automation Device Servers RSLinx Enterprise is the recommended
data server for all Rockwell Automation devices and networks.
RSLinx Enterprise does not require activation or licensing and can be installed as
often as needed in any application.
RSLinx Enterprise also provides service for device-based alarms and events. For more
information, see Chapter 12, Setting up FactoryTalk alarms.
 OPC Data Servers are any data server that supports the OPC-DataAccess Standard
v2.05a.
The OPC Foundation is a non-profit organization that provides standards and technology
that enables software from different vendors to work together.
The following OPC Data Access v2.05a servers are available with FactoryTalk View SE.
 KEPServer Enterprise is used to communicate with non-Rockwell Automation
devices like Siemens or Modicon controllers.
KEPServer Enterprise requires activation or licensing.
 RSLinx Classic should be used in the following situations:
 CIP to non-CIP routing is required to reach the device.
 Unsolicited messages are used to send data from controllers.