Rockwell Automation Trusted TMR Expander Interface Manuale utente

PD-T8311 Trusted

Rockwell Automation Publication PD-T8311 Issue 15

Trusted TMR Expander Interface

Product Overview

The Trusted® TMR Expander Interface Module resides in the Trusted Controller Chassis and

provides the ‘master’ interface between the Inter-Module Bus (IMB) in the Controller Chassis and

the Expander Bus. The Expander Bus allows multiple chassis systems to be implemented using

Unshielded Twisted Pair (UTP) cable connections whilst maintaining the fault tolerant, high

bandwidth IMB capabilities.

The Module provides fault containment for the Expander Bus, the Module itself and the IMB in the

Controller Chassis, ensuring that the effects of these potential faults are localised and system

availability maximised. The Module is fault tolerant with HIFT TMR architecture. Comprehensive

diagnostics, monitoring and testing provide rapid fault identification. Hot-standby and module

spare slot configurations are supported, allowing automatic and manual repair strategies.

Features:

•Triple Modular Redundant (TMR), fault tolerant (3-2-0) operation.

•Hardware Implemented Fault Tolerant (HIFT) architecture.

•Dedicated hardware and software test regimes which provide very fast fault recognition and

response times.

•Automatic fault handling without nuisance alarming.

•Hot replacement.

•Front Panel indicators that show module health and status.

•TϋV Certified IEC 61508 SIL 3.

Trusted PD-T8311

Rockwell Automation Publication PD-T8311 Issue 15

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Trusted TMR Expander Interface PREFACE

Rockwell Automation Publication PD-T8311 Issue 15 i

PREFACE

In no event will Rockwell Automation be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment. The examples given in this manual are

included solely for illustrative purposes. Because of the many variables and requirements related to

any particular installation, Rockwell Automation does not assume responsibility or reliability for

actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, with respect to use of information, circuits,

equipment, or software described in this manual.

All trademarks are acknowledged.

DISCLAIMER

It is not intended that the information in this publication covers every possible detail about the

construction, operation, or maintenance of a control system installation. You should also refer to

your own local (or supplied) system safety manual, installation and operator/maintenance manuals.

REVISION AND UPDATING POLICY

This document is based on information available at the time of its publication. The document

contents are subject to change from time to time. The latest versions of the manuals are available at

the Rockwell Automation Literature Library under "Product Information" information "Critical

Process Control & Safety Systems".

TRUSTED RELEASE

This technical manual applies to Trusted Release: 3.6.1.

LATEST PRODUCT INFORMATION

For the latest information about this product review the Product Notifications and Technical Notes

issued by technical support. Product Notifications and product support are available at the Rockwell

Automation Support Centre at

http://rockwellautomation.custhelp.com

At the Search Knowledgebase tab select the option "By Product" then scroll down and select the

Trusted product.

Some of the Answer ID’s in the Knowledge Base require a TechConnect Support Contract. For more

information about TechConnect Support Contract Access Level and Features please click on the

following link:

https://rockwellautomation.custhelp.com/app/answers/detail/a_id/50871

This will get you to the login page where you must enter your login details.

PREFACE Trusted TMR Expander Interface

ii Issue 15 Rockwell Automation Publication PD-T8311

IMPORTANT A login is required to access the link. If you do not have an account then you can create one

using the "Sign Up" link at the top right of the web page.

DOCUMENTATION FEEDBACK

Your comments help us to write better user documentation. If you discover an error, or have a

suggestion on how to make this publication better, send your comment to our technical support

group at http://rockwellautomation.custhelp.com

Trusted TMR Expander Interface PREFACE

Rockwell Automation Publication PD-T8311 Issue 15 iii

SCOPE

This manual specifies the maintenance requirements and describes the procedures to assist

troubleshooting and maintenance of a Trusted system.

WHO SHOULD USE THIS MANUAL

This manual is for plant maintenance personnel who are experienced in the operation and

maintenance of electronic equipment and are trained to work with safety systems.

SYMBOLS

In this manual we will use these notices to tell you about safety considerations.

SHOCK HAZARD: Identifies an electrical shock hazard. If a warning label is fitted, it

can be on or inside the equipment.

WARNING: Identifies information about practices or circumstances that can cause

an explosion in a hazardous environment, which can cause injury or death,

property damage or economic loss.

ATTENTION: Identifies information about practices or circumstances that can cause

injury or death.

CAUTION: Identifies information about practices or circumstances that can cause

property damage or economic loss.

BURN HAZARD: Identifies where a surface can reach dangerous temperatures. If a

warning label is fitted, it can be on or inside the equipment.

This symbol identifies items which must be thought about and put in place when

designing and assembling a Trusted controller for use in a Safety Instrumented

Function (SIF). It appears extensively in the Trusted Safety Manual.

IMPORTANT Identifies information that is critical for successful application and understanding of

the product.

NOTE Provides key information about the product or service.

TIP Tips give helpful information about using or setting up the equipment.

PREFACE Trusted TMR Expander Interface

iv Issue 15 Rockwell Automation Publication PD-T8311

WARNINGS AND CAUTIONS

WARNING: EXPLOSION RISK

Do not connect or disconnect equipment while the circuit is live or unless the area is

known to be free of ignitable concentrations or equivalent

AVERTISSEMENT - RISQUE D’EXPLOSION

Ne pas connecter ou déconnecter l’équipement alors qu’il est sous tension, sauf si

l’environnement est exempt de concentrations inflammables ou équivalente

MAINTENANCE

Maintenance must be carried out only by qualified personnel. Failure to follow these

instructions may result in personal injury.

CAUTION: RADIO FREQUENCY INTERFERENCE

Most electronic equipment is influenced by Radio Frequency Interference. Caution

should be exercised with regard to the use of portable communications equipment

around such equipment. Signs should be posted in the vicinity of the equipment

cautioning against the use of portable communications equipment.

CAUTION:

The module PCBs contains static sensitive components. Static handling precautions

must be observed. DO NOT touch exposed connector pins or attempt to dismantle a

module.

Trusted TMR Expander Interface PREFACE

Rockwell Automation Publication PD-T8311 Issue 15 v

ISSUE RECORD

Issue Date Comments

9 Oct 05 Format

10 Nov 06 Specification

11 Dec 06 Cable distance

12 May 07 System INI

13 Oct 15 Rebranded and reformatted

14 Apr 16 Standardisation of Relative Humidity Range and Operating Temperature

Statements in the Specification Section

15 Apr 18 New look front panel. Reformatted and updated Specifications table.

PREFACE Trusted TMR Expander Interface

vi Issue 15 Rockwell Automation Publication PD-T8311

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Trusted TMR Expander Interface Table of Contents

Rockwell Automation Publication PD-T8311 Issue 15 1

Table of Contents

1. Description .............................................................................................................3

1.1. Overview .....................................................................................................................................4

1.2. Power Distribution ...................................................................................................................... 4

2. Application .............................................................................................................5

2.1. Module Installation ..................................................................................................................... 5

2.2. Module Insertion and Removal................................................................................................... 5

2.2.1. Module Replacement .......................................................................................................... 6

2.3. Expander Bus Connection ........................................................................................................... 7

2.3.1. Cable Assembly Replacement .............................................................................................7

2.4. Trusted Module Polarisation/Keying ..........................................................................................8

3. Operation ...............................................................................................................9

3.1. Message Forwarding...................................................................................................................9

3.2. Control Signal Forwarding........................................................................................................... 9

3.3. I/O Complex Equipment Definition T8311................................................................................10

3.3.1. Voltage Level Format.........................................................................................................11

3.4. Module Information..................................................................................................................12

3.5. System Initialisation File............................................................................................................12

3.6. Expander Chassis IMB Connector (SK1) ....................................................................................13

3.7. Expander Chassis Bus Connector (PL4) .....................................................................................14

4. Operation .............................................................................................................16

4.1. Operating Modes ...................................................................................................................... 16

4.1.1. Standby..............................................................................................................................16

4.1.2. Active................................................................................................................................. 16

4.1.3. Expander Interface Module Active/Standby Control ........................................................ 16

4.2. Communication Busses .............................................................................................................17

4.2.1. Expander Bus .....................................................................................................................17

4.2.2. Inter-Module Bus...............................................................................................................17

4.3. Front Panel ................................................................................................................................ 18

4.3.1. Healthy Indicator............................................................................................................... 19

4.3.2. Active Indicator .................................................................................................................19

4.3.3. Standby Indicator ..............................................................................................................19

5. Fault Finding and Maintenance..............................................................................20

5.1. PCBs and Connectors ................................................................................................................20

5.2. Troubleshooting ........................................................................................................................20

Table of Contents Trusted TMR Expander Interface

2 Issue 15 Rockwell Automation Publication PD-T8311

6. Specifications........................................................................................................22

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