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KRAL BEM 200 User Manual

KRAL BEM 200
24 pages
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Operating instructions
KRAL display and processing unit
BEM 200
OIE 24en-GB
Edition 2022-01
Original instructions
www.kral.at

Table of Contents

Questions and Answers:

KRAL BEM 200 Specifications

General IconGeneral
Housing MaterialStainless steel
Output Signal4-20 mA, pulse, frequency
Power Supply24 V DC
Process ConnectionFlange
Protection ClassIP67
Operating Temperature-20°C to +60°C

Summary

KRAL BEM 200 Operating Instructions

About This Document

General Information

Provides general information about the operating instructions and the electronic unit.

Target Audience and Qualifications

Identifies intended users and required qualifications for operating the unit.

Associated Documents

Lists documents that should be consulted alongside these instructions.

Document Symbols Guide

Explains the meaning of symbols used throughout the document.

Safety and Proper Use

Proper Use and Operating Limits

Specifies the intended application and operating limits for the electronic unit.

Foreseeable Misuse Scenarios

Describes uses that extend beyond the intended purpose and are considered misuse.

Fundamental Safety Precautions

Lists essential safety precautions that must be observed during operation and maintenance.

Technical Data: Dimensions

Dimensional Drawings and Housing

Presents the physical dimensions and opening specifications of the electronic unit housing.

Technical Data: Connections

Connection Field Diagrams

Illustrates the connection terminals for PNP and NAMUR sensors.

Pin Assignment and Terminal Functions

Details the internal electrical connections and terminal functions.

Connection Data: Supply and Pulse

Provides specifications for supply and pulse input/output connections.

Technical Data: Outputs and Environment

Pulse and Analog Output Specifications

Details the parameters for pulse and analog output signals.

Ambient Conditions and Protection Class

Specifies storage, operating temperature, humidity, and protection class.

Display Type and Unit Weight

Describes the display type and weight of the electronic unit.

Screw Terminals and Data Storage

Covers maximum cable cross-section and data storage method.

Function Description: Principle

Unit Usage and K-Factor Definition

Explains the use of the unit with KRAL flow meters and the K-factor.

Volume Measurement Calculation

Details how instantaneous and total flow volumes are calculated and displayed.

Electronic Evaluation Features

Outlines the unit's capabilities for signal processing and output options.

Application Examples

Describes the intended single-line measurement applications with a flow meter.

Control Panel and Handling

Control Panel Key Identification

Identifies the keys on the electronic unit's control panel.

Scope of Delivery and Unpacking

Lists components included in delivery and guides unpacking.

Transportation and Storage Guidelines

Provides guidance on transporting and storing the unit safely.

Installation and Removal Procedures

Dangers During Installation/Removal

Highlights critical safety instructions during installation and removal.

Installing the Electronic Unit

Explains how to install the unit when ordered as an accessory.

Dismantling from OME Flow Meter

Step-by-step instructions for removing the unit from an OME flow meter.

Dismantling and Connection Safety

Dismantling from OMP Flow Meter

Step-by-step instructions for removing the unit from an OMP flow meter.

Dangers During Connection Work

Crucial safety instructions to be followed during connection tasks.

Connection Overview and Pick-up

Electronic Unit Connection Diagrams

Illustrates the electronic unit's connection to OME and OMP flow meters.

Connecting the Pick-up Sensor

Step-by-step guide for connecting the pick-up sensor to the unit.

Connecting Outputs and Power

Connecting the Pulse Output

Instructions for connecting the pulse output signal for external processing.

Connecting the Power Supply

Details on how to connect the DC power supply to the electronic unit.

Commissioning and Decommissioning

Pre-Operation Checks

Basic checks to perform before putting the electronic unit into operation.

Taking the Unit Out of Service

Procedure for safely disconnecting the electronic unit from the power supply.

Operation: Modes and Keys

Basic Operating Modes Explained

Describes the three modes: Setup, Programming, and Operator mode.

Key Assignment and Functions

Details the functions assigned to the SELECT and CLEAR keys.

General Operating Procedures

Explains common procedures like activating setup and changing values.

Setup vs. Operator Mode Usage

Defines the purpose and usage of setup and operator modes.

Operation: Display and Alarms

Displaying Flow Rate and Totals

Explains how flow rate, total, and accumulated total are displayed.

Resetting Total Flow Values

Procedure for resetting the total flow value.

Alarm Status Indicators

Describes how internal alarm conditions are indicated.

Menu Description: Overview and TOTAL

Setup Functions and Variables List

Lists all configurable setup functions and variables, including password protection.

TOTAL Menu Settings

Details settings for measurement unit, decimal places, and K-factor for totals.

Menu Description: RATE and METER

RATE Menu Parameters

Covers settings for flow rate measurement unit, time, decimals, and K-factor.

METER Output Signal Type

Specifies the output signal type for the meter.

Analog Output (A-OUT) Configuration

Settings for activating/deactivating and configuring the analog output.

Menu Description: Outputs and Other

Digital Output (D-OUT) Modes

Configuration options for the digital output pulse length and decimal format.

Other Unit Settings

Provides unit information like model, version, serial number, password, and backlight.

Maintenance and Disposal

Required Maintenance Tasks

Outlines checks for housing, cables, wiring, and process accuracy.

Cleaning the Electronic Unit

Instructions on how to clean the unit safely.

Disposal of Electronic Unit

Guidance on disposing of the electronic unit in an environmentally friendly manner.

Troubleshooting Guide

Fault Table and Solutions

Lists common faults, their causes, and recommended solutions.

Accessories: Installation

Connecting Items for Assembly

Describes fastening sets for assembling the unit onto flow meters.

Accessories: Electrical Connection

Alternative Power Supply Options

Discusses using alternative power supplies for the unit.

Plug-in Power Supply EEN 13 Details

Technical data and cable assignment for the EEN 13 power supply accessory.

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