961 Datasheet, PDF (2/16 Pages) Magnetrol International, Inc. – SIL Safety Manual for Echotel Model 961/962

Echotel Model 961/962 Ultrasonic Level Switches
Table of Contents
SIL Safety Manual for Model 961/962....................................1
Echotel Model 961/962 Ultrasonic Level Switches...........1
Application.......................................................................1
Benefits ............................................................................1
1.0 Introduction ...................................................................3
1.1 Product Description ..................................................3
1.2 Theory of Operation.................................................3
1.2.1 Transducer Design..........................................4
1.2.2 Transducer Materials ......................................4
1.3 Determining Safety Integrity Level (SIL) ..................4
2.0 Applicable Models ..........................................................5
3.0 Mean Time To Repair (MTTR).....................................5
4.0 Supplementary Documentation......................................5
5.0 Instructions ....................................................................6
5.1 Systematic Limitations ..............................................6
5.1.1 Application Locations.....................................6
5.1.2 Operating Temperature ..................................6
5.1.3 Operating Pressure .........................................6
5.1.4 Environmental................................................6
5.2 Skill Level of Personnel .............................................6
5.3 Necessary Tools .........................................................7
5.4 Storage ......................................................................7
5.5 Installation ................................................................7
5.5.1 Hygienic-Specific Installation .........................8
5.5.2 Pump-Specific Installation..............................8
5.6 Configuration ...........................................................8
5.6.1 Time-delay Potentiometer ..............................8
5.6.2 Level Test Push Button...................................8
5.6.3 Malfunction Test Push Button........................9
5.6.4 High/Low DIP Switch ...................................9
5.6.5 Independent/Joint DIP Switch.......................9
5.6.6 Loop Test Push Button...................................9
5.6.7 Fault Test Push Button .................................10
5.6.8 22/3.6 DIP Switch .......................................10
5.6.9 PC/LC DIP Switch ......................................10
5.7 Site Acceptance Testing ...........................................10
5.8 Maintenance ............................................................10
5.8.1 Diagnostics...................................................11
5.8.2 Troubleshooting ...........................................11
6.0 Appendices ...................................................................12
6.1 SIL Declaration of Conformity ...............................12
6.2 FMEDA Report Management Summary ................13
6.2.1 Model 961 Loop-Powered Level Switch .......13
6.2.2 Model 961 AC/DC Ultrasonic
Level Switch with Relay Output...................13
6.2.3 Model 962 Loop-Powered Ultrasonic
Level Switches ..............................................14
6.2.4 Model 962 AC/DC Ultrasonic
Level Switch with Relay Output...................14
6.3 Report - Lifetime of Critical Components ..............15
51-650 Echotel SIL Safety Manual