Rockwell-automation T8017 Trusted Peer to Peer Communications User Manual download pdf

SDS-8017

Trusted

Industrial Control System

Trusted

Peer to Peer Communications - T8017

Issue 6 Jan 2006

DESCRIPTION

Trusted

Peer to Peer Communications

provides for the interchange of safety and

non-safety related information between up to

ten Trusted

systems.

The Trusted

Communications Interface

modules provide Peer to Peer

Communications facilities. The modules will

also support external communications using

Modbus over serial and Ethernet links.

Using the modules to support both Peer to

Peer and external communications will,

however, degrade the performance of Peer

to peer Communications.

The Peer to Peer network employs Ethernet

as its physical layer and UDP/IP as its

transport. The communications interaction

is on a master/slave basis to provide

deterministic behaviour. Separate

Communications Interface modules may be

nominated as master on each Peer to Peer

network. These modules may also be

resident in separate systems.

The Peer to Peer Communications network

media may comprise any Ethernet standard

type. The media interfaces provided by the

Trusted

Communications Interface

module are 10BaseT and 100BaseT. The

network may be used to carry other

communications, e.g. data reporting.

However, this will result in less deterministic

behaviour and is not recommended where

Peer to Peer Communications is to be used

for the transfer of safety related information.

Each Trusted

Communications Interface

module provides two Peer to Peer

Communications ports. The ports may be

used to support redundant network media or

independent networks. In redundant

network configurations, the most recently

received data will be used. An alternate

network configuration may be constructed

using independent modules. As with all

Trusted

modules, hot replacement and

hot-slot repair is supported.

The information to be transferred

between Trusted

systems is simply

defined within the applications programs

as input and output boards in the

standard form. Each output board

specifies a single destination. Multiple

boards are required where the data is to

be transferred to multiple systems.

Board parameters define the identity of

the destination system for outgoing

information, and source system identity

for incoming. Boolean and integer

values may be transferred between

systems.

FEATURES

 Supports up to ten

Trusted

systems

 Two Ethernet ports

(10BaseT or

100BaseT)

 Safety related data

interchange support

(TÜV certifiable)

 Simple

configuration

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DESCRIPTION 1
FEATURES 1

Summary of Contents

Page 1 - FEATURES

SDS-8017 TrustedTM Industrial Control System TrustedTM Peer to Peer Communications - T8017 Issue 6 Jan 2006 DESCRIPTION TrustedTMPeer to Peer Commun

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SDS-8017 TrustedTM Industrial Control System TrustedTM Peer to Peer Communications - T8017 ICS Triplex Technical data sheets are intended for inform

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