KRAL BEM 500 Series, Operating Instructions Manual

Page: 2 / 64

2 OIE 12en Edition 2019-02 Operating Instructions
Table of content
K
R
A
L
E
le
c
tr
o
n
ic
s
–
S
e
ri
e
s
B
E
M
5
0
0
About this document
□
Target groups 4
□
Symbols 4
□
Danger levels 5
□
Associated documents 5
□
General safety instructions 5
Function description
□
Volume measurement 6
□
Mass calculation 6
□
Linearization 6
□
Temperature compensation 7
□
Differential measurement 7
□
Circulation ratio and threshold value 7
□
Averaging 7
□
Limit value 7
□
Collective error message 7
□
Flow direction detection 8
□
Batching 8
□
Electronic evaluation 8
□
Bus connection 8
□
Applications of the KRAL electronic unit 9
▪
Single-line measurement 9
▪ Differential measurement 10
Transportation, storage and maintenance
□
Unpacking and checking the state of
delivery
11
□
Transportation 11
□
Storage 11
□
Disposal 11
▪
Safety instruction for disposal 11
▪ Disposing of the electronic unit 11
□
Maintenance 11
□
Cleaning 11
Installation and removal
□
Safety instructions on installation, removal
and connection
12
□
Installation 12
▪
Dimensions 12
▪
Scope of delivery 12
▪
Installation in the control cabinet 13
▪ Wall mounting 14
▪
Pipe mounting/mounting on volumeter 14
□
Removal 15
▪
Removing the electronic unit from the
control cabinet
15
▪
Removing the electronic unit from the
wall
15
▪
Removing the electronic unit from the
pipe/volumeter
15
Technical data
□
Termination panel of the electronic unit 16
□
Technical data of connections 17
▪
Power supply 17
▪
Tension spring terminals 17
▪
Pulse and temperature inputs 17
▪ Analog, pulse and relay outputs 17
▪
Display 18
▪ Modbus interface 18
▪
Ambient conditions 21
□
Connection assignments 21
▪
Pick up Volumeter A 21
▪ Pick up Volumeter B 21
▪
Analog outputs 21
▪
Pulse outputs 22
▪
Relay outputs 22
▪ Temperature sensor Volumeter A 22
▪
Temperature sensor Volumeter B 22
▪ 24 V DC connection 22
▪
Serial interface 22
Commissioning
□
Safety instructions for commissioning 23
□
Connecting cables 23
▪
Safety instructions for electrical
installation
23
▪
Connecting cables to the tension
spring terminals
24
▪
Connect the pick ups and temperature
sensors
25
▪
Connecting the analog, relay and
pulse outputs
25
▪
Connecting the power supply 26
□
Checking the electronic unit 27
□
Taking the electronic unit out of operation 27
Operation of the basic functions
□
Key assignment 28
□
Operation at a glance 29
▪
General operating steps 29
▪
Operating the basic functions 30
□
Abbreviations, quantities and units 31
▪ Abbreviations used 31
▪
Quantities and units 31
▪
Pulse signals 31
Menu description
□
Menu structure 32
□
Start 34
▪ Start message 34
□
Shortcut pages 34
▪
1.13 Setting select language 34
▪
1.31 Help operation 34
▪ Menu 8: Alarms 34