Rockwell-automation T8160 Trusted TMR Interface Manual de usuario descargar pdf (Pagina 1)

SDS-8160

Trusted

Industrial Control System

Trusted

TMR Interface-T8160

Issue 5 Jan 2006

FRONT PANEL

DESCRIPTION

The Trusted

TMR Interface

provides an interface between a

Trusted

Controller and Regent,

Regent+Plus I/O systems. The

module supports the existing Regent

I/O Safetybus™, and the use of all

Regent and Regent+Plus I/O

modules as part of an I/O sub-

system.

The module consists of three identical

processor sub-systems containing a

Bus Interface, an I/O processor with

its associated memory, and a power

supply.

Each processor sub-system has an

interface to the triplicated Inter-

Module Bus (IMB) and I/O Safetybus.

The I/O Processors interface with the

Safetybus, linking the field I/O

modules to the Trusted

TMR

Processor.

The three processor sub-systems

operate in lock-step synchronization,

providing 2-oo-3 hardware voting on

every data exchange between the

Trusted

TMR Processor and the

I/O sub-system. This ensures

uncompromised fault detection and

error-free operation.

The triplicated Power Supply Unit

receives dual redundant +24v dc

supplies from the Trusted

Controller backplane, and converts

the supply to the logic levels required

by the module circuits. The module is

capable of operating with a failure of

either of the redundant power feeds.

The module scans the I/O sub-system

and exchanges data with the

Trusted

TMR Processor. Data

from inputs are read from the I/O

modules in the I/O sub-system.

Outputs are driven by transmitting

data through the I.O Processor to the

I/O module. Output Data from the

Trusted

TMR Processor to the I/O

module is in the required format for

Regent+Plus.

Communications between the

Trusted

TMR Processor and the

I/O Processor are maintained through

shared RAM used as a ‘mail box’ for

data transfers between the two.

FEATURES

 Supports the use of all Regent

and Regent+Plus I/O modules

 Triplicated interfaces to

Trusted

TMR Processors and

Regent+Plus I/O sub-systems

 Hot replaceable

 Module fault and status

indicators

 IEC 61508, SIL 3 safety

applications

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SDS-8160 TrustedTM Industrial Control System TrustedTM TMR Interface-T8160 Issue 5 Jan 2006 FRONT PANEL DESCRIPTION The TrustedTM TMR Interface pro

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SDS-8160 TrustedTM Industrial Control System TrustedTM TMR Interface-T8160 ICS Triplex Technical data sheets are intended for information and guidan

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