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BEM 100
KRAL BEM 100 User Manual
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Operating instructions
KRAL processing unit
BEM 100
SW 1.06
OIE 26en-GB
Edition 2021-08
Original instructions
www.kral.at
2
Table of Contents
Table of Contents
2
About this Document
3
Target Groups
3
Associated Documents
3
Symbols
3
Danger Levels
3
Danger Signs
3
Symbols in this Document
4
Safety
4
Proper Use
4
Foreseeable Misuse
4
Fundamental Safety Instructions
4
Identification
4
Rating Plate
4
Technical Data
5
Ambient Conditions
5
Dimensional Drawing
5
Power Supply
5
Modbus Interface
6
Cable Specification
6
Pin Assignment
6
Function Description
6
Functional Principle
6
Usage
6
Communication
6
Volume Measurement
7
Linearization
7
Density Determination
7
Mass Measurement
7
Differential Measurement and Synchronization
7
Averaging
7
Modbus Communication
8
Supported Modbus Functions
8
Sequence of the Data Values
8
Legend for the Parameter Tables
8
Protected Parameters
8
Automatically Updated Parameters
9
Parameters for Configuration
9
K-Factor Table
10
Density Tables
11
Error Messages
12
Parameter for Clearing Error Messages
13
Transportation, Storage
13
Unpacking and Checking the State of Delivery
13
Transporting the Electronic Unit
13
Storing the Electronic Unit
13
Installation, Removal
14
Dangers During Installation, Removal
14
Installing the Processing Unit
14
Removing the Processing Unit
14
Connection
14
Dangers During Connection Work
14
Connecting the Processing Unit
14
Operation
16
Carrying out the Basic Settings
16
Setting the Modbus Address
16
Managing the Density Table
16
Entering the Density Table
17
Selecting the Mode for Volume Measurement
18
Specifying the Reference Temperature for Temperature Compensation
18
Smoothing the Indication
18
Selecting the Mode for Pulse Evaluation
18
Specifying the Maximum Flow Rate
19
Specifying the Minimum Flow Rate
19
Reading the Measured Values and Status Information
19
Synchronizing Measured Values
19
Clearing Error Messages
20
Maintenance
20
Required Maintenance
20
Cleaning the Electronic Unit
20
Disposal
21
Disposing of the Electronic Unit
21
Troubleshooting
21
Status Leds
21
Fault Table
21
Error Tree: no Communication
22
Error Tree: no Flow
23
Error Tree: Flow Unusually High
23
Error Tree: Flow Rate Varies too Much
23
4
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KRAL BEM 100 Specifications
General
Input Voltage
24 VDC
Mounting
Inline
Material
Stainless Steel
Connection
Flanged
Output Signal
Pulse
Power Supply
24 V DC
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