Allen-Bradley Rockwell Automation 1734-AENT Manual de usuario Pagina 24

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24 Publication ENET-UM001I-EN-P - January 2010
Chapter 1 EtherNet/IP Overview
Installing Communication Modules or Other Devices on the
EtherNet/IP Network
In addition to using the installation instructions for each Rockwell Automation
EtherNet/IP device you install in your control system, you should also consult
the EtherNet/IP Media Planning and Installation Manual available from
ODVA, the organization that supports network technologies built on the
Common Industrial Protocol (CIP).
You can obtain EtherNet/IP Media Planning and Installation Manual at the
ODVA website, that is,
http://www.odva.org.
Safety I/O in EtherNet/IP
Control Systems
Rockwell Automation offers the Guard I/O product line that implements the
EtherNet/IP safety protocol. This section provides an overview of the
modules use in a safety system.
For more information on using Guard I/O modu
les, see Guard I/O
EtherNet/IP Safety Modules user manu
al, publication
1791ES-UM001
.
I/O Module Overview
The Guard I/O modules implement the CIP-safety protocol extensions over
EtherNet/IP networks and provide various features for a safety system.
Use the modules to construct a safety-control network system that meets the
requiremen
ts up to Safety Integrity Level 3 (SIL 3) as defined in IEC 61508,
Functional Safety of Electrical, Electronic, and Programmable Electronic
Safety-related Systems, and the requirements for Safety Category 4 of the EN
954-1 standard, Safety of machinery - Safety related parts of control systems.
Remote I/O communication for safety I/O data are performed through safety
conn
ections supporting CIP safety over an EtherNet/IP network, and data
processing is performed in the safety controller.
The status and fault diagnostics of the I/O modules are monitored by a safety
cont
roller through a safety connection using a new or existing EtherNet/IP
network.
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