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EL 11
Vega EL 11 User Manual
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2
Capacitive electr
odes EL 4 … 20 mA - compact
Safety information
Safety information
The described module must only be installed and
operated as described in this operating
instruction. Please note that other action can
cause damage for which VEGA does not take
responsibility
.
1
3
Table of Contents
Default Chapter
2
Safety Information
2
Table of Contents
3
1 Product Description
4
Function and Configuration
4
Plate Capacitor
4
Capacitance Change with Covered Electrode
4
Types and Versions
5
Technical Data
7
Oscillators in Two-Wire Technology for Capacitive Electrodes el
8
Oscillator
9
Humidity Change
9
Medium Temperature
10
Mechanical Connection
10
Mechanical Connection, Aluminium
11
Electronics Temperature
12
Temperature Class T4 (or no Ex)
12
Approvals
13
Explosion Protection
13
Overfill Protection Acc. to WHG
13
Ship Approvals
13
Dimensions
14
Type Plate
16
Configuration of the Type Plate (Example)
16
Mounting Instructions
17
Extraction Forces
17
Lateral Load
17
Mounting 2.1 Mounting Instructions
17
Shortening of the Electrode
18
Filling Opening
18
Humidity from Outside
18
Cable Electrodes in Solids
19
Non-Conductive Vessels
19
Lateral Installation
19
Rod Electrode
19
Continuous Electrodes
20
Material Cone, Filling and Emptying Centered
21
Material Cone, Filling Centered, Emptying Laterally
21
3 Electrical Connection
22
Connection Instructions
22
Wiring Plan
22
Skilled Staff
23
Vessel with Cathodic Corrosion Protection
24
Vessel Without Cathodic Corrosion Protection
25
4 Set-Up
26
General Adjustment
26
PC with Adjustment Program VVO
26
Adjustment - Oscillators CAP E32 Ex and CAP E32 H Ex
27
Rotating Switch
27
Max. Adjustment
27
Basic Position
27
Reverse Characteristics
28
Linearisation
28
Integration Time
28
Sensor Optimization
28
Offset Correction
29
Simulation Current
29
Reset
29
Adjustment with VVO
30
Configuration
30
Measuring System
31
Measurement Loop
31
Measurement Loop Description
31
Factory Setting
31
Instrument Data
32
Parameter Adjustment
32
Adjustment Without Medium
32
Conditioning
33
Scaling
33
Output - Current Output
34
Failure Mode
34
Invert Current Output
34
Sensor Optimisation
34
Diagnostics
35
Simulation
35
Services
35
Print
35
Modem
36
Multidrop-Operation
36
Burst-Operation
36
Adjustment with HART Handheld
36
Connection to a VEGA-Signal Conditioning Instrument
37
Adjustment Steps
39
Simulation
44
Maintenance
44
Repair
44
Diagnosis 5.1 Simulation
44
Failure Removal
45
Measure, Failure Removal
45
Measures, Failure Removal
46
Contact 4 against Vessel
47
Measured Value Invalid
47
Instrument Failure
48
4
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Vega EL 11 Specifications
General
Brand
Vega
Model
EL 11
Category
Measuring Instruments
Language
English
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