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Bender ISOSCAN EDS44 Series User Manual
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Manual
Insulating fault locator
to locate insulation faults
in ungrounded DC, AC and
three-phase power supplies
(IT systems)
EDS44x_D00201_07_M_XXEN/06.2020
EDS440-L/-S
EDS441-L/-S
EDS441-LAB-4
EDS440-LAF-4
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Important Information
6
How to Use this Manual
6
Technical Support
6
End Customer Support and Advice
6
Repair
6
Customer Service
6
Training Courses
7
Delivery Conditions
7
Storage
7
Warranty and Liability
7
Disposal
7
2 Safety Instructions
8
General Safety Instructions
8
Work Activities on Electrical Installations
8
Device-Specific Safety Information
8
Intended Use
8
Requirements for Reliable Insulation Fault Location
9
Periodic Verification
9
3 Function
10
Features
10
Areas of Application
10
Standards
10
System Variants
10
System Properties
10
Compatibility
10
Operating Principle of the EDS System
12
Schematic Diagram EDS System
13
4 Device Overview
14
External Dimensions Eds44X-X and IOM441-S
14
View EDS440-S
14
View EDS440-L
14
Connections and Control Panel Eds44X-L
15
Connections and Control Panel Eds44X-S
15
5 Mounting
16
General Instructions
16
Installation Clearances
16
Screw Mounting
17
DIN Rail Mounting
17
Connection of the BB Bus
18
Connection to the Voltage Supply
18
Connection of the X1 Interface
19
Connection of the Relays
19
BS Bus Termination
19
Connection of the K1-12/L1-12 Interface
19
Connection of W
20
Transformers
20
Eds441-Lab-4
20
Connection of CTAF
21
Wiring Diagram to DC System with ISOMETER® Iso685-D-P
22
Wiring Diagram to AC System with ISOMETER® Iso685-D-P
23
Wiring Diagram to 3(N)AC System with ISOMETER® Iso685-D-P
24
Eds440-L
24
6 Display and Alarm Messages
26
Operating and Display Elements Eds44X-S
26
Operating and Display Elements Eds44X-L
26
Standard Display in the Operating Mode
27
Standard Display Eds44X-S
27
Standard Display Eds44X-L
27
Alarm Messages
27
Insulation Fault (ALARM IΔL)
27
Residual Current Exceeded (ALARM Iδn)
27
Connection Fault of the Current Transformers
28
Device Error, BB Bus Error
28
Device Error, Failure BS Bus Master
28
Error Message
29
Acoustic Alarm Message
29
7 Commissioning
30
Before Switching on
30
Switching on
30
Steps for Commissioning ISOMETER® and Eds44X
31
8 Device Communication
32
BS-Bus
32
Master-Slave-Prinzip
32
Adressen und Adressbereiche am BS-Bus
32
RS-485-Spezifikation/Leitungen
32
Leitungsführung
32
Modbus RTU
32
9 Operation
33
Reading out and Setting the BS Address
33
Reading out a BS Address
33
Setting a BS Address
33
Extended Address Range (Offset = 80)
34
Display and Change of Transmission Protocols
34
Displaying the Current Transmission Protocol
34
Changing the Transmission Protocol
34
Resetting Saved Alarm Messages (RESET Button)
35
Deactivating the Buzzer and Resetting the Fault Message
35
Running a Test (TEST Button)
35
10 Settings
36
EDS Settings on the ISOMETER
36
Locating Current Injector Settings
36
Trigger Function
36
Fault Memory
37
Settings of Inputs and Outputs of the Eds44X-L
37
Digital Inputs of the Eds44X-L (I1, I2)
37
Digital Outputs of the Eds44X-L
38
Factory Settings
39
11 Alarm Messages
40
12 Diagrams
41
Response Sensitivity Curves
41
Characteristic Curves EDS440 for 3AC Systems
42
Characteristic Curves EDS440 for AC Systems
43
Characteristic Curves EDS440 for DC Systems
44
Characteristic Curves EDS441 for AC Systems
46
Characteristic Curves EDS441 for DC Systems
47
Characteristic Curves EDS441-LAB for AC Systems
48
Characteristic Curves EDS441-LAB for DC Systems
49
Response Values EDS440-LAF for DC Systems up to a System Leakage Capacitance of Max. 100 Μf
50
Response Values EDS440-LAF for AC Systems up to a System Leakage Capacitance of Max. 100 Μf
50
Fault Curve EDS440
51
Fault Curve EDS441
51
13 Technical Data
52
Tabular Data
52
Standards and Certifications
54
Ordering Details
54
Insulation Fault Locators
54
Accessories
55
Measuring Current Transformers for EDS440
55
Index
57
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Bender ISOSCAN EDS44 Series Specifications
General
Brand
Bender
Model
ISOSCAN EDS44 Series
Category
Construction Equipment
Language
English
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