Horizontal Float Switch

Functional Safety Manual

M310/FSM, Rev AA

January 2012

Connection of the Level Switch to the SIS Logic Solver

General Requirements

INSTALLATION AND COMMISSIONING

Installation

Physical Location And Placement

Electrical Connections

The Mobrey level switch should be connected to the safety-rated logic solver which is actively performing the safety function as well as automatic diagnostics (if any) designed to diagnose potentially dangerous failures within the level switch.

NOTE:

For all product information and documentation downloads, visit www.mobrey.com.

The system and function response time shall be less than the process safety time

The Mobrey level switch will move to its defined safe state in less than this time with relation to the specific hazard scenario.

All SIS components, including the Mobrey level switch, must be operational before process start-up

The user shall verify that the Mobrey level switch is suitable for use in safety applications by confirming the float level switch nameplate and model number are properly marked

Personnel performing maintenance and testing on the Mobrey level switch shall first be assessed as being competent to do so

Results from periodic proof tests shall be recorded and periodically reviewed

The Mobrey level switch shall not be operated beyond the useful lifetime as listed on page 12 (and in the specification section of the product document M310) without undergoing overhaul or replacement

NOTE:

For all product information and documentation downloads, visit www.mobrey.com.

The Mobrey level switch must be installed as described in the installation section of the product instructions leaflet M310. Check that environmental conditions do not exceed the ratings in the specification section.

The Mobrey level switch must be accessible for physical inspection.

The Mobrey level switch shall be accessible with sufficient room for cover removal and electrical connections, and allow for manual proof-testing to take place.

The switch point is determined by the location of the Mobrey level switch, and consideration must be given to allow the safe proof-testing of the level switch by forcing liquid to put the switch into its Fail-Safe state.

Wiring should be adequately rated and not be susceptible to mechanical damage. Electrical conduit is commonly used to protect wiring.

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Emerson Process Management M310/FSM, Rev AA manual Installation and Commissioning

Rev AA, M310/FSM specifications

Emerson Process Management's M310/FSM, Rev AA is a sophisticated control and monitoring system designed for industrial applications. This powerful platform integrates advanced functionality and cutting-edge technology to streamline operations, enhance process efficiency, and improve decision-making capabilities in various sectors, including oil and gas, chemicals, and manufacturing.

One of the main features of the M310/FSM is its modular architecture, which allows for great flexibility and scalability. This design enables users to expand the system as needed, accommodating both small and large operations. The versatility of the M310/FSM makes it suitable for myriad applications, from process automation to more complex control needs.

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