Emerson MSP422 manual Service and Troubleshooting, Safety Messages

Page 31

Reference Manual

IP2013, Rev BA

February 2012

Mobrey MSP422

Section 5 Service and Troubleshooting

SAFETY MESSAGES

Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1 Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-2 Diagnostics for The MSP422 . . . . . . . . . . . . . . . . . . . . . . . page 5-2

Procedures and instructions in this section may require special precautions to ensure the safety of the personnel performing the operations. Information that raises potential safety issues is indicated by a warning symbol (). Please refer to the following safety messages before performing an operation preceded by this symbol.

.

Explosions could result in death or serious injury.

•The Mobrey MSP422 is only for use in a non-hazardous location

Failure to follow safe installation and servicing guidelines could result in death or serious injury.

Make sure only qualified personnel perform the installation.

Use the equipment only as specified in this manual. Failure to do so may impair the protection provided by the equipment.

Do not perform any service other than those contained in this manual unless you are qualified.

High voltage that may be present on leads could cause electrical shock.

Avoid contact with leads and terminals.

Make sure the main power to the Mobrey MSP422 transmitter is off, and the lines to any other external power source are disconnected or not powered while wiring

the transmitter.

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Contents Reference Manual Mobrey MSP422Page Mobrey MSP422 Ultrasonic Liquid Level Transmitter Page Table of Contents Appendix a Reference Data Service TroubleshootingAppendix B Product Certifications Section Introduction Safety MessagesProduct Manual Overview Customer SupportRECYCLING/DISPOSAL Components of the Transmitter Transmitter OverviewComponents of the Transmitter MSP422 FeaturesSection Installation General Considerations Before YOU InstallGuidelines Mounting Considerations Mechanical InstallationMin And Max Distances From Tank Wall Liquid Surface Conditions In-tank EffectsMounting the Transmitter Above the Liquid Surface ProcedurePtfe After Completing the Wiring Electrical InstallationCabling the Transmitter Lightning / Surge Protection and Other Loop Devices Starting up SectionOverview Power Up Before ProgrammingImportant notes to help you program the transmitter MSP422 Menu Map MSP422 Menu MapDisplay Units Programming the MSP422Bottom Reference First MeasurementsSetting 4 mA and 20 mA Levels Setting the Bottom ReferenceSetting the Output Damping Hold Selecting the Action on Alarm ConditionScreen display Setting 4 mA and 20 mA Levels Using Ranging Learn About Echoes From False Targets Final Checks Power Failure Mobrey MSP422 Service and Troubleshooting General Troubleshooting Error Messages Diagnostics for the MSP422Servicing A-2 SpecificationsAppendix a Reference Data A-1Load Limitations Temperature and Pressure RatingsDimension Drawings Figure A-4. The 2-in. NPT/BSPT mounting bracket Avoid contact with leads and terminals Appendix B Product CertificationsNON-HAZARDOUS Location Certifications Manufacturing Location European Union Directive InformationAmerican and Canadian Certifications Page Emerson Process Management Rosemount Measurement