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Safety manual for Fisherr 1052 Actuators

Purpose

This safety manual provides information necessary to design, install, verify and maintain a Safety Instrumented

Function (SIF) utilizing the Fisher 1052 spring and diaphragm rotary actuator.

WARNING

This instruction manual supplement is not intended to be used as a stand-alone document. It must be used in conjunction

with the following manuals:

Fisher 1051 and 1052 Style F and G Size 40, 60, and 70 Rotary Actuators Instruction Manual (D100319X012)

Fisher 1052 Size 20 Diaphragm Rotary Actuator with F and G Mounting Adaptation Instruction Manual (D100322X012)

Fisher 1051 and 1052 Size 33 Diaphragm Rotary Actuators Instruction Manual (D101322X012)

Failure to use this instruction manual supplement in conjunction with the above referenced manual could result in personal

injury or property damage. If you have any questions regarding these instructions or need assistance in obtaining any of

these documents, contact your Emerson Process Management sales office.

Introduction

This manual provides necessary requirem ents for meeting the IEC 61508 or IEC 61511 functional safety standards.

Figure 1. Fisher 1052 Actuator

W8172-3

Size 33

W8508-3

SIZE 60

Instruction Manual Supplement

D103790X012

1052 Actuator

October 2013

Summary of content (8 pages)

PAGE 1
Instruction Manual Supplement 1052 Actuator D103790X012 October 2013 Safety manual for Fisherr 1052 Actuators Purpose This safety manual provides information necessary to design, install, verify and maintain a Safety Instrumented Function (SIF) utilizing the Fisher 1052 spring and diaphragm rotary actuator. WARNING This instruction manual supplement is not intended to be used as a stand-alone document.
PAGE 2
1052 Actuator Instruction Manual Supplement October 2013 D103790X012 Terms and Abbreviations Safety: Freedom from unacceptable risk of harm. Functional Safety: The ability of a system to carry out the actions necessary to achieve or to maintain a defined safe state for the equipment / machinery / plant / apparatus under control of the system.
PAGE 3
Instruction Manual Supplement 1052 Actuator D103790X012 October 2013 SIS: Safety Instrumented System — Implementation of one or more Safety Instrumented Functions. A SIS is composed of any combination of sensor(s), logic solver(s), and final element(s). Related Literature Hardware Documents: Bulletin: 61.
PAGE 4
1052 Actuator Instruction Manual Supplement October 2013 D103790X012 Designing a SIF Using a Fisher 1052 Actuator Safety Function When the 1052 actuator is deenergized, the actuator and valve shall move to its failsafe position. Depending on which configuration is specified fail-closed or fail-open, the actuator will rotate the valve control element to close off the flow path through the valve body or open the flow path through the valve body.
PAGE 5
Instruction Manual Supplement D103790X012 1052 Actuator October 2013 beyond the useful lifetime may yield results that are too optimistic, i.e. the calculated Safety Integrity Level will not be achieved. SIL Capability Systematic Integrity Figure 2. exida SIL 3 Capable The product has met manufacturer design process requirements of SIL 3. These are intended to achieve sufficient integrity against systematic errors of design by the manufacturer.
PAGE 6
1052 Actuator Instruction Manual Supplement October 2013 D103790X012 Personnel performing maintenance and testing on the 1052 actuator and valve shall be competent to do so. Results from the proof tests shall be recorded and reviewed periodically. The useful life of the 1052 actuator is discussed in the Failure Modes, Effects and Diagnostic Analysis Report for the 1052 actuator.
PAGE 7
Instruction Manual Supplement 1052 Actuator D103790X012 October 2013 Operation and Maintenance Suggested Proof Test The objective of proof testing is to detect failures within a 1052 actuator that are not detected by any automatic diagnostics of the system. Of main concern are undetected failures that prevent the Safety Instrumented Function from performing its intended function.
PAGE 8
Instruction Manual Supplement 1052 Actuator D103790X012 October 2013 Appendix A Sample Startup Checklist This appendix provides a sample Startup Checklist for a 1052 actuator. A Startup Checklist will provide guidance during the final control elements employment. Start-Up Checklist The following checklist may be used as a guide to employ the 1052 actuator in a safety critical SIF compliant to IEC61508.