Rockwell Automation Trusted TMR Bedienungsanleitung

PD-T8444 Trusted

Rockwell Automation Publication PD-T8444 Issue 10

Trusted TMR Pulse Generator and Monitoring

Module

Product Overview

The Trusted® Triple Modular Redundant (TMR) Pulse Generator and Monitoring Module interfaces

through special Thyristor Drivers, to two Stepper Motors, which form an integral part of a damper

rod control system. The Module is based upon the Trusted T8461 Digital Output Module. Feedback

of Thyristor activation and rod position is provided by the Module as a % movement figure and a

series of fault signals. Triplicated diagnostic tests are performed throughout the Module in order to

locate and annunciate hardware failures. Inputs are treated as analogues and are fully tested by the

nature of their operation. Fault tolerance is achieved through a TMR architecture within the

Module.

The Module has been configured to provide the control and interlock requirements for a high

power stepper motor control system which is used to position Damper Rods in a Nuclear reactor.

The functionality of this Module is highly specialised and is detailed later in this Product Description

(PD).

Features:

•Two Stepper Motor controls.

•Special control algorithms and fault diagnostics resident within the Module.

•Bi-directional fast and slow movement.

•Emergency stop and hold facility.

•Rod position indication.

•Thyristor driver fault indications.

•ESD Rod release.

•2500 V impulse withstand opto/galvanic isolation barrier.

•Automatic over-current protection (per channel), no fuses required (outputs).

Trusted PD-T8444

Rockwell Automation Publication PD-T8444 Issue 10

•Front Panel status Light Emitting Diodes (LEDs) for each point indicate status and field wiring

faults.

•Front Panel Module status LEDs indicate Module health and operational mode (Active,

Standby, Educated).

Trusted TMR Pulse Generator and Monitoring Module PREFACE

Rockwell Automation Publication PD-T8444 Issue 10 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 Pulse Generator and Monitoring Module

ii Issue 10 Rockwell Automation Publication PD-T8444

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 Pulse Generator and Monitoring Module PREFACE

Rockwell Automation Publication PD-T8444 Issue 10 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 Pulse Generator and Monitoring Module

iv Issue 10 Rockwell Automation Publication PD-T8444

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 Pulse Generator and Monitoring Module PREFACE

Rockwell Automation Publication PD-T8444 Issue 10 v

ISSUE RECORD

Issue Date Comments

5 July 05 Formatting

6 Dec 06 Weights and Dims

7 Sep 07 Tbl16 Chns rotated

8 Nov 09 Table 5 change

9 Apr 10 Rack 7 change

10 Aug 15 Rebranded and reformatted with correction to Relative Humidity Range

and Operating Temperature statements in the Specification Section, also

any typographical errors

PREFACE Trusted TMR Pulse Generator and Monitoring Module

vi Issue 10 Rockwell Automation Publication PD-T8444

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Trusted TMR Pulse Generator and Monitoring Module Table of Contents

Rockwell Automation Publication PD-T8444 Issue 10 1

Table of Contents

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

1.1. Field Termination Unit (FTU)....................................................................................................... 4

1.2. Field Interface Unit (FIU).............................................................................................................4

1.3. Host Interface Unit (HIU) ............................................................................................................ 5

1.4. Front Panel Unit (FPU) ................................................................................................................ 6

1.5. Line Monitoring...........................................................................................................................6

1.6. Housekeeping..............................................................................................................................6

1.7. Fault Detection/Testing ..............................................................................................................6

1.8. Sequence of Events Characteristics ............................................................................................ 7

1.9. Output Switch Structure ............................................................................................................. 7

1.9.1. Switch Diagnostics............................................................................................................... 9

1.9.2. Short Circuit Protection Issues ..........................................................................................10

1.9.3. Group Fail Safe Switches ...................................................................................................10

1.10. Input Interfaces.........................................................................................................................11

2. Installation...........................................................................................................12

2.1. Module Insertion/Removal ....................................................................................................... 12

2.2. Field Cable Selection .................................................................................................................12

2.3. Module Pin-out Connections ....................................................................................................13

2.4. Trusted Module Polarisation/Keying. .......................................................................................14

3. Application ........................................................................................................... 16

3.1. Module Configuration...............................................................................................................16

3.2. T8444 Complex Equipment Definition ......................................................................................16

3.2.1. Rack 1: PG_CTRL................................................................................................................17

3.2.2. Rack 2: FIELD......................................................................................................................

3.2.3. Rack 3: PI_CTRL .................................................................................................................19

3.2.4. Rack 4: PG_FAULT..............................................................................................................20

3.2.5. Rack 5: Line_Flt..................................................................................................................22

3.2.6. Rack 6: Discrep ..................................................................................................................22

3.2.7. Rack 7: Housekeeping .......................................................................................................22

3.2.8. Rack 8: INFO ......................................................................................................................24

3.3. System.INI File Configuration....................................................................................................25

4. Operation .............................................................................................................27

4.1. Front Panel ................................................................................................................................27

4.2. Module Status LEDs................................................................................................................... 28

4.3. I/O Status LEDs.......................................................................................................................... 29

4.3.1. Outputs and Gate Outputs ................................................................................................29

4.3.2. Feedback Inputs ................................................................................................................30

Table of Contents Trusted TMR Pulse Generator and Monitoring Module

2 Issue 10 Rockwell Automation Publication PD-T8444

4.4. Output and Input Separation/Channel Allocation ....................................................................31

5. Fault Finding and Maintenance..............................................................................34

5.1. Fault Reporting..........................................................................................................................34

5.2. Field Wiring Faults.....................................................................................................................34

5.3. Module Faults ........................................................................................................................... 34

5.4. Companion Slot.........................................................................................................................34

5.5. SmartSlot...................................................................................................................................35

5.6. Cold Start...................................................................................................................................35

5.7. Transfer between Active and Standby Modules....................................................................... 36

6. Technical Specifications......................................................................................... 38

6.1. Introduction ..............................................................................................................................38

6.2. Phase Rotation ..........................................................................................................................39

6.3. Fail Safe Actions ........................................................................................................................39

6.4. Internal Testing and Monitoring ...............................................................................................40

6.5. Thyristor Driver Interfaces/Stepper Motor Drives....................................................................40

6.5.1. Module Start-up ................................................................................................................40

6.5.2. Minimum Output Load ...................................................................................................... 40

6.5.3. Input Termination Resistance ...........................................................................................40

6.6. Operation with one Thyristor Driver Removed.........................................................................41

6.7. Detection of a Missing Pulse .....................................................................................................41

6.8. Detection of an Extra Pulse....................................................................................................... 41

6.9. Detection of a Short / Long Pulse .............................................................................................41

6.10. Analogue Feedback Out of Limits .............................................................................................42

6.11. Motor Voltage Monitoring........................................................................................................

6.12. Inference of Position from Motor Pulses.................................................................................. 42

6.13. Number of Pulses for a Full Transition of a Rod from End to End ............................................42

6.14. Synchronisation/External Timing ..............................................................................................43

6.15. Setting of Count Position ..........................................................................................................43

6.15.1. Position..............................................................................................................................43

6.15.2. Zero/Reset .........................................................................................................................43

6.16. Analogue Input Discrepancy .....................................................................................................43

6.17. Output 2oo3 Error.....................................................................................................................43

6.18. Module Temperature Measurement........................................................................................44

6.19. Diagnostics ................................................................................................................................44

6.20. FTA Output Schematic...............................................................................................................45

6.21. FTA Input Schematic ................................................................................................................. 46

7. Specifications........................................................................................................47

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