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SGM LEKTRA METER User Manual

SGM LEKTRA METER
40 pages
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METER
ultrasonic level transmitter
technical documentation EN Rev. P

Table of Contents

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SGM LEKTRA METER Specifications

General IconGeneral
BrandSGM LEKTRA
ModelMETER
CategoryTransmitter
LanguageEnglish

Summary

1-WARRANTY

2-PRODUCT

2.1 IDENTIFICATION

Details the meter's identification plate with product code, power supply, and serial number.

3-FEATURES

4-DIMENSIONS

4.1 MECHANICAL DIMENSIONS

Provides detailed graphical representations and measurements of the METER's physical dimensions.

5-INSTALLATION

5.1 MOUNTING PRECAUTIONS

Guidelines for optimal sensor positioning and avoiding interference during mounting.

5.1.2 Blind distance

Explains the measurement blind zone near the transmitter and its implications.

5.1.3 Installation in nozzle

Instructions for installing the METER sensor correctly within a nozzle or extension pipe.

5.1.4 Reference pipe installation

Details how to use reference pipes to mitigate measurement disturbances like foam or internal structures.

5.1.5 Agitators presence

Explains how to manage level measurement with agitators using the Auto-Tuned statistical filter.

6-ELECTRICAL CONNECTIONS

6.1 WIRING

Step-by-step instructions for connecting the METER's power and signal cables correctly.

6.2 HUMIDITY INFILTRATIONS

Recommendations to prevent moisture ingress into the housing via cable connections.

6.3 DIGITAL COMMUNICATIONS CONNECTION

Details on connecting the METER for MODBUS RTU and HART communication.

7-LOCAL OPERATOR INTERFACE (LOI) - VL601

7.1 VL601 FEATURES

Overview of the VL601 module's capabilities and button functions for operation and programming.

8-QUICK SETUP

8.1 - Quick Setup menu structure

Illustrates the hierarchical flow of the Quick Setup menu options.

8.2 - QUICK SETUP MODE

Explains how to enter and navigate the Quick Setup mode for initial parameter configuration.

8.2.1 SET DISTANCE 4mA

Procedure for setting the distance corresponding to the 4mA output signal.

8.2.2 SET DISTANCE 20mA

Procedure for setting the distance corresponding to the 20mA output signal.

8.2.3 MEDIUM

Guide for selecting the type of medium (Liquids, Solids, Liquids Pipe) for measurement.

8.2.4 FILTER COEFFICIENT

Details on adjusting the filter coefficient to manage response speed and signal stability.

8.2.5 BLIND DISTANCE

Configuration of the blind zone parameter to ignore measurements near the transmitter.

8.2.6 DISPLAY

Setting options for the information displayed on the METER's screen.

8.2.7 RL1 THRESHOLD

Configuration of the threshold for Relay 1, typically for maximum level alarms.

8.2.8 RL2 THRESHOLD

Configuration of the threshold for Relay 2, typically for minimum level alarms.

8.3 - ECHO MAP

Explains how to interpret the echo map for transducer alignment and signal verification.

9-ADVANCED CONFIGURATION

9.1 - "SETUP" MENU

Overview of the main 'SETUP' menu structure within advanced configuration.

9.2 - SETUP

Detailed guide to accessing and configuring parameters within the SETUP menu.

9.2.1 - SET DISTANCE 4mA

Advanced setting for the 4mA output distance calibration.

9.2.2 - SET DISTANCE 20mA

Advanced setting for the 20mA output distance calibration.

9.2.3 MEDIUM

Advanced configuration for medium type selection: Liquids, Solids, or Liquids Pipe.

9.2.4 - FILTER COEFFICIENT

Advanced adjustment of the filter coefficient for signal processing.

9.2.5 - BLIND DISTANCE

Advanced configuration for the blind zone parameter.

9.2.6-ACTUAL LEV. 4mA

Function to associate the actual measured level with the 4mA output.

9.2.7 - ACTUAL LEV. 20mA

Function to associate the actual measured level with the 20mA output.

9.2.8 - RELAYS

Configuration options for onboard relays, including threshold and pump control.

9.2.8.1 - RL1 THRESHOLD (RL2 THRESHOLD equivalent)

Configuration of set-point and action type for Relay 1.

9.2.8.1.1 VALUE

Setting the threshold value in mm for Relay 1.

9.2.8.1.2 - MIN/MAX

Selecting if Relay 1 operates as a maximum or minimum level threshold.

9.2.8.1.3 - DELAY

Setting the activation delay for Relay 1.

9.2.8.1.4 - SAFETY

Configuring the safety mode for Relay 1, affecting contact behavior.

9.2.8.1.5 - ENABLE/DISABLE

Enabling or disabling the alarm threshold function for Relay 1.

9.2.8.1.6 - MIN/MAX HYSTERESIS mm

Setting the hysteresis value for Relay 1 in mm.

9.2.8.2 - RL1 PUMP (only for RL1)

Configuration for pump control using Relay 1, including thresholds and modes.

9.2.8.2.1 - UPPER

Setting the upper threshold for pump control (start/stop point).

9.2.8.2.2 - LOWER

Setting the lower threshold for pump control (start/stop point).

9.2.8.2.3 - DELAY

Setting the activation delay for pump control relay.

9.2.8.2.4 - FILL./EMPT

Selecting the pump control mode: Filling or Emptying.

9.2.8.2.5 - ENABLE/DISABLE

Enabling or disabling the pump control function.

9.2.8.3 - RL2 DIAGNOSTIC

Enabling diagnostic functions for Relay 2 and error reporting.

9.3 "DISPLAY" menu

Overview of the 'DISPLAY' menu for configuring screen output.

9.4 - DISPLAY

Detailed settings for customizing the METER's display parameters.

9.4.1 - DISPLAY VALUES

Options for selecting single or dual value display on the screen.

9.4.1.1-1 VALUE

Configuration for displaying a single parameter with large digits.

9.4.1.2-2 VALUE

Configuration for displaying two parameters simultaneously on the screen.

9.4.2 - LCD CONTRAST

Adjusting the contrast level of the LCD display for better readability.

9.4.3 - WELCOME TEXT

Customizing the welcome message displayed at device startup.

9.5 "DIAGNOSTIC" menu

Overview of the 'DIAGNOSTIC' menu for system monitoring and error checking.

9.6 - DIAGNOSTIC

Detailed guide to accessing and using diagnostic functions for system status.

9.6.1 - ALARM CONFIGURATION

Configuring diagnostic alarms for temperature, echo, gain, and distance.

9.6.2 - MEASURE STATUS

Displaying the system's gain value (0-255) for measurement status.

9.6.3 - FROZEN GAIN

Setting a fixed gain value, disabling automatic gain control.

9.6.4 - MAX GAIN TH

Setting the maximum gain threshold that triggers a 'GAIN' error.

9.6.5 - PEAK VALUES

Viewing or resetting stored maximum and minimum distance measurements.

9.6.5.1-DISPLAY VALUES

Displays stored peak (max/min) distance values.

9.6.5.2 - RESET VALUES

Resets the stored peak (max/min) distance values.

9.6.6-OUTPUT SIMULATION

Forcing the analog output to a specific mA value for testing.

9.7 "SERVICE" menu

Overview of the 'SERVICE' menu for system settings and maintenance.

9.8 - SERVICE

Detailed guide to accessing and configuring parameters within the SERVICE menu.

9.8.1 - OUTPUT SAFE MODE

Selecting the analog output value during diagnostic errors.

9.8.2 - SET UID

Assigning the Unit ID (UID) for METER within a MODBUS RTU network.

9.8.3 - LANGUAGE

Setting the menu language to English, Italian, or French.

9.8.4 - FREQUENCY

Checking the computed sensor emission frequency.

9.8.5 - F_WINDOWS

Configuring the echo reception window width for signal filtering.

9.8.6 - RESTORE SETTING

Restoring the METER to its default factory settings.

9.8.7 "INFO" menu

Overview of the 'INFO' menu for device information.

9.8.8 - INFO

Displaying manufacturer, firmware revision, and configuration index.

10-FACTORY TEST AND QUALITY CERTIFICATE