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Lumel N30U User Manual
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10
4.2. Examples of Connections
An example of the N30U meter connection to different signals is pre-
sented on the fig. 5.
Fig. 5. Ways of the meter Connection
For
the
connection
of
input
signals
in
environments
with
a
high
noise
level, one must apply shielded wires.
9
11
Table of Contents
Table of Contents
3
Application and Meter Design
5
Features of the N30U Meter
5
Protection Grade from Frontal Side: IP65
6
View of the N0U Digital Meter
6
Meter Set
6
Basic Requirements, Optional Safety
7
Meter Fixing
8
Overall Dimensions
8
Installation
8
Lead-Out of Signals
9
Description of Signals on Connection Strips
9
Examples of Connections
10
Ways of the Meter Connection
10
Display Description
11
Messages after Switching the Supply on
11
Description of the Meter Frontal Plate
11
Service
11
Functions of Buttons
12
Acceptation Button
12
Button Increasing the Value
12
Button to Change the Digit
12
Programming
15
Value Change Way of the Selected Parameter
15
Programming Matrix
16
Changing Floating-Point Values
17
Characteristic of Programmed Parameters
17
Rs-485 Interface
22
Individual Characteristic
23
Action of the Individual Characteristic
23
Alarm Types
25
Display Format
26
Manufacturer’s Parameters
27
Interface Rs-485
28
Connection Way of the Serial Interface
28
Connection Way of the RS-Interface
29
Description of Applied Functions
30
Description of the MODBUS Protocol Implementation
30
Mapa Rejestrów
31
Registers for Write and Readout
32
Registers Only for Readout
41
Error Codes
42
Measuring Ranges
43
Technical Data
43
Order Example
46
Order Codes
46
Code of the Highlighted Unit
47
In Case of some Incorrect Operations
48
Maintenance and Guarantee
48
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Lumel N30U Specifications
General
Brand
Lumel
Model
N30U
Category
Measuring Instruments
Language
English
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