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Siemens SITRANS LC300

Siemens SITRANS LC300
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SITRANS LC300
SITRANS L
Capacitance continuous level
transmitter
SITRANS LC300
Operating Instructions
7ML5670 (LC300 standard, rod version)
7ML5671 (LC300 standard, stilling well version)
7ML5672 (LC300 standard, stainless steel cable
version)
7ML5673 (LC300 standard, PFA cable version)
05/2021
A5E47904073
-AA
Safety notes
1
The Manual
2
SITRANS LC300
3
Installation
4
Wiring
5
Operation
6
Technical data
7
Dimensions
8
Technical references
A
Product documentation and
support
B

Table of Contents

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Siemens SITRANS LC300 Specifications

General IconGeneral
BrandSiemens
ModelSITRANS LC300
CategoryTransmitter
LanguageEnglish

Summary

Safety notes

Safety marking symbols

Details safety marking symbols used in the manual and on the product.

The Manual

Application examples

Illustrates typical installations and advises on substituting application details.

SITRANS LC300

Applications

Lists various industries and applications where the SITRANS LC300 is used.

Features

Details the key characteristics and capabilities of the SITRANS LC300.

Installation

Location

Guidance on selecting an appropriate location for installation, including warnings.

Pressure Equipment Directive, PED, 9723 EC

Information regarding the product's compliance with the PED.

Handling Precautions

Instructions for safely handling the SITRANS LC300, especially with rod versions.

Mounting

General safety instructions and considerations for mounting the device.

Multiple units and wall restriction

Guidelines for installing multiple units and avoiding wall restrictions.

Process cautions

Important cautions related to material falling on the unit and surface configuration.

Wiring

Signal amplifierpower supply

Explains the switched power supply and signal output circuit of the SITRANS LC300.

Connecting the SITRANS LC300

Step-by-step guide for wiring the device, including grounding.

Wiring setups for hazardous area installations

Covers ATEX, INMETRO, and FM/CSA configurations for hazardous zones.

Instructions specific to hazardous area

Details general notes, qualifications, and standards for hazardous environments.

Operation

Start up

Guide to the SITRANS LC300 user interface, including LCD, rotary switch, and buttons.

Menu functions

Overview of menu functions, rotary switch positions, and display behavior.

Menu position 0

Details the display and function of Menu Position 0 (Primary Variable).

Menu position 1

Explains Menu Position 1 for setting the Lower Range Value (LRV).

Menu position 2

Details Menu Position 2 for setting the Upper Range Value (URV).

Menu position 3

Covers Menu Position 3 for analog signal and system fault protection settings.

Menu position 4

Explains Menu Position 4 for diagnostic information and fault values.

Menu position 5

Details Menu Position 5 for adjusting the damping value.

Recommissioning

Procedure for recommissioning the transmitter or probes after replacement.

Unit repair and excluded liability

Guidelines for unit repair and information on liability.

Technical data

Power

Details supply voltage, measurement signal, and Ex approvals.

Environmental

Specifies location, altitude, ambient temperature, and humidity.

Performance

Covers measurement range, accuracy, linearity, and safety features.

Outputs

Describes the output signal, specifically the current loop.

User Interface

Details the local LCD display and rotary switch menu positions.

Electrodes

Information on process connections, probe types, and active shield.

Wetted Parts

Lists materials used for parts in contact with the medium.

Enclosure

Details construction, ingress protection, and cable entry specifications.

Process

Provides pressure range and temperature range information.

Approvals

Lists general, hazardous, marine, and overfill protection approvals.

Dimensions

Threaded rod version with PFA probe

Dimensional drawings for the threaded rod version with a PFA probe.

Threaded rod version with PFA probe and stilling well

Dimensional drawings for threaded rod version with PFA probe and stilling well.

Cable version, non-insulated, threaded

Dimensional drawings for the non-insulated, threaded cable version.

Cable version, insulated, threaded

Dimensional drawings for the insulated, threaded cable version.

Welded flange

Dimensional drawings for the welded flange version.

Welded flange, threaded, with stilling well

Dimensional drawings for welded flange, threaded with stilling well.

Cable version, non-insulated, welded flange

Dimensional drawings for the non-insulated, welded flange cable version.

Cable version, insulated, welded flange

Dimensional drawings for the insulated, welded flange cable version.

Cable tensile strength

Information on the maximum tensile strength of the cable.

Shortening the cable

Procedure and methods for shortening the sensor cable.

Technical references

SITRANS LC300 Pressure versus temperature curves

Graphs showing pressure limits against temperature for various versions.

LC300 Standard, extended rod, and cable versions, threaded

Pressure vs. temperature curves for threaded versions of LC300.

LC300 Standard, extended rod, and cable versions, ASME flanged

Pressure vs. temperature curves for ASME flanged versions of LC300.

LC300 Standard, extended rod, and cable versions, EN flanged

Pressure vs. temperature curves for EN flanged versions of LC300.

Product documentation and support

Product documentation

Information on accessing product documentation, manuals, and downloads.

Product documentation by serial number

How to access serial number-specific product information via PIA Life Cycle Portal.

Technical support

Information on obtaining technical support and contacting Siemens.

Abbreviations and identifications

List of abbreviations and their meanings used in the manual.

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