About this Guide

The Hardware Reference is intended primarily for the people responsible for and performing tasks related to Safety Manager.

This guide describes the functions of the Safety Builder tool and contains instructions how to use these functions.

Hardware Reference

The Hardware Reference is intended primarily for the people responsible for and performing tasks related to Safety Manager.

This guide provides technical information and specifications for all hardware components used in conjunction with Honeywell SMS’s Safety Manager.

Typical readers are hardware engineers, maintenance engineers and assembly personnel.

It is assumed that the reader masters the required skills and knowledge as described herein.

Note:

This guide does not contain information related to other Honeywell Experion™ PKS systems and thirdparty controllers such as Allen-Bradley, Series 9000, TDC 3000, Data Hiway, UDC, PlantScape, and so on.

For more information about these systems, see the manufacturers book set.

Content of Hardware Reference

The Hardware Reference is a reference guide providing detailed information regarding technical information and specifications for all hardware components used in conjunction with Honeywell SMS’s Safety Manager.

A reference guide is a Safety Manager related guide and does not describe tasks in terms of how to perform the task in terms of steps to follow. A reference guide can provide input to support decisions required to achieve a certain objective.

References

The following guides may use this reference guide as a reference source:

The Overview Guide ：This guide describes the general knowledge required, the basic functions of, and the tasks related to Safety Manager.

The Safety Manual： This guide describes the specifications, design guidelines, and safety aspects related to Safety Manager

The Planning and Design Guide ：This guide describes the tasks related to planning and designing a Safety Manager project.

The Troubleshooting and Maintenance Guide ：This guide describes the tasks related to troubleshooting and maintaining Safety Manager.

The System Administration Guide ：This guide describes the task related to administrating the computer systems used in a Safety Manager project.

Basic skills and knowledge

Before performing tasks related to Safety Manager you need to:

Understand basic Safety Manager concepts as explained in the Overview Guide and the Glossary.

Have a thorough understanding of the Safety Manual.

Have had appropriate training related to Safety Manager that certifies you for your tasks (see the Planning and Design Guide).

More related information can be found in Prerequisite skills and Training.

Prerequisite skills

When you perform tasks related to Safety Manager, it is assumed that you have appropriate knowledge of:

Site procedures

The hardware and software you are working with. These may i.e. be: computers, printers, network components, Controller and Station software.

Microsoft Windows operating systems.

Programmable logic controllers (PLCs).

Applicable safety standards for Process & Equipment Under Control.

Application design conform IEC 61131-3.

The IEC 61508 and IEC 61511 standards.

This guide assumes that you have a basic familiarity with the process(es) connected to the equipment under control and that you have a complete understanding of the hazard and risk analysis.

Training

Most of the skills mentioned above can be achieved by appropriate training. For more information, contact your Honeywell SMS representative or see:

Safety standards for Process & Equipment Under Control (PUC, EUC)

Safety Manager is the logic solver of a Safety Instrumented System (SIS) performing specific Safety Instrumented Functions (SIF) to ensure that risks are kept at predefined levels.

A SIS measures, independently from the Basic Process Control System (BPCS), a couple of relevant process signals like temperature, pressure, level in a tank or the flow through a pipe. The values of these signals are compared with the predefined safe values and, if needed, the SIS gives an alarm or takes action. In such cases the SIS controls the safety of the process and lowers the chance of an unsafe situation.

The logic in Safety Manager defines the response to process parameters.

In this context the following terms are explained in this section:

Safety Integrity Level (SIL)

Safety layers of protection

Equipment Under Control (EUC)

Process Under Control (PUC)

Safety Integrity Level (SIL)

The IEC 61508 standard specifies 4 levels of safety performance for safety functions. These are called safety integrity levels. Safety integrity level 1 (SIL1) is the lowest level of safety integrity, and safety integrity level 4 (SIL4) the highest level. If the level is below SIL1, the IEC 61508 and IEC 61511 do not apply.

Safety Manager can be used for processing multiple SIFs simultaneously demanding a SIL1 up to and including SIL3.

To achieve the required safety integrity level for the E/E/PE safety-related systems, an overall safety life cycle is adopted as the technical framework (as defined in IEC 61508).

For more information see also:

Safety layers of protection

Equipment Under Control (EUC)

Process Under Control (PUC)

Safety layers of protection

The figure on the next page shows the typical risk reduction methods or safety protection layers used in modern process plants.

Safety Instrumented Systems (SIS) are designed to operate in the prevention and mitigation layers to:

Prevent a process from entering a dangerous state.

Mitigate the consequences of entering a dangerous state

Safety Integrity Level (SIL)

Equipment Under Control (EUC)

Safety-related systems, such as Safety Manager, are designed to prevent the EUC from entering a dangerous state and to mitigate any EUC that has gone into a dangerous state.

For these functions a safety related system can be split in:

Emergency shutdown systems, operating in the prevention layer of “The concept of layers of protection” on the previous page.

Fire and gas detection and control systems, operating in the mitigation layer of “The concept of layers of protection” on the previous page.

For more information see also:

Safety Integrity Level (SIL)

Safety layers of protection

Process Under Control (PUC)
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