Rockwell Automation Trusted T8834 Manuale utente

PD-T8834 Trusted

Rockwell Automation Publication PD-T8834 Issue 3

Trusted 20 Channel Isolated AI/DI FTA External

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Product Overview

The Trusted® 20 Channel Isolated Analogue Input / Digital Input (AI/DI) Field Termination Assembly

(FTA), Part Number: T8834, is designed to act as the main interface between a field device

generating a 4 mA - 20 mA signal and the Isolated Analogue Input Module, Part Number: T8433.

Part Number: T8834 is required where the field device signal is ranged down to 0 mA or the device

must be powered by the FTA.

Features:

•20 isolated input channels per FTA.

•Standard DIN rail compatibility.

•Simple installation and connection.

•Versatile circuit operation.

Trusted PD-T8834

Rockwell Automation Publication PD-T8834 Issue 3

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Trusted 20 Channel Isolated AI/DI FTA External Powered PREFACE

Rockwell Automation Publication PD-T8834 Issue 3 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 20 Channel Isolated AI/DI FTA External Powered

ii Issue 3 Rockwell Automation Publication PD-T8834

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

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Rockwell Automation Publication PD-T8834 Issue 3 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.

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iv Issue 3 Rockwell Automation Publication PD-T8834

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 20 Channel Isolated AI/DI FTA External Powered PREFACE

Rockwell Automation Publication PD-T8834 Issue 3 v

ISSUE RECORD

Issue Date Comments

1 Oct 05 Initial Issue

2 Aug 06 Terminations

3 Jun 16 Rebranded and updated to incorporate IEEE standards with correction of

typographical errors and also standardise the Relative Humidity Range

and Operating Temperature statements in the Specification Section.

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Trusted 20 Channel Isolated AI/DI FTA External Powered Table of Contents

Rockwell Automation Publication PD-T8834 Issue 3 1

Table of Contents

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

2. Installation.............................................................................................................5

3. Associated Cable Selection.......................................................................................7

4. Assembly Pinout Connections ..................................................................................9

4.1. CON1 Connections ...................................................................................................................... 9

4.2. TB1 Connections .......................................................................................................................11

4.3. TB2 Connections .......................................................................................................................12

4.4. TB3 Connections .......................................................................................................................13

5. Field Circuit Design................................................................................................15

6. Specifications........................................................................................................19

Table of Contents Trusted 20 Channel Isolated AI/DI FTA External Powered

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