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ISOMETER isoEV425
Bender ISOMETER isoEV425 User Manual
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Manual
EN
isoEV425_D00126
_09_
M_XXEN/03.20
19
ISOMETER® isoEV425/
isoEV425HC
with AGH420 coupling device
Insulation monitoring device for unearthed
DC circuits (IT systems)
for the charging of electric vehicles
Software version: D0430 V2.xx/D0640 V2.xx (isoEV425)
D0586 V2.xx (isoEV425HC)
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Important Information
6
How to Use this Manual
6
Technical Support: Service and Support
7
First Level Support
7
Repair Service
7
Field Service
8
Training Courses
9
Delivery Conditions
9
Inspection, Transport and Storage
9
Warranty and Liability
10
Disposal
11
2 Safety Instructions
12
General Safety Instructions
12
Work Activities on Electrical Installations
12
Intended Use
13
3 Function
14
Device Characteristics
14
Functional Description
15
Monitoring the Insulation Resistance
16
Undervoltage/Overvoltage Monitoring
16
Self Test/Error Codes
17
Malfunction
19
Signalling Assignment of the Alarm Relays K1/K2
19
Measuring and Response Times
20
Password Protection (On, OFF)
22
Factory Setting FAC
22
External, Combined Test or Reset Button T/R
22
Fault Memory
22
History Memory His
22
Interface/Protocols
23
4 Installation, Connection and Commissioning
24
Installation
24
Wiring Diagram
26
Commissioning
28
5 Operation of the Device
29
Display Elements
30
Menu Structure
31
Menu "AL
32
Response Value Setting
32
Menu "Out
33
Configuration of the Relay Operating Mode
33
Relay Alarm Assignment "R1" and "R2" and LED Assignment
33
Fault Memory Configuration
34
Interface Configuration
35
Menu "T
36
Time Configuration
36
Menu "Set
36
Function Configuration
36
Measured Value Display and History Memory
37
6 Data Access Using the BMS Protocol
39
7 Data Access Using the Modbus RTU Protocol
40
Reading out the Modbus Register from the ISOMETER
40
Master Sends a Command to the ISOMETER
40
ISOMETER® Answers the Master
41
Writing to Modbus Registers (Parameter Setting)
41
Master Sends a Command to the ISOMETER
41
ISOMETER® Answers the Master
42
Exception Code
42
Structure of the Exception Code
42
8 Modbus Register Assignment of the ISOMETER
43
ISOMETER® Device-Specific Data Type
49
Device Name
49
Measured Values
49
Float = Floating Point Value of the Channels
50
AT&T = Alarm Type and Test Type (Internal/External)
51
R&U = Range and Unit
52
Alarm Assignment of the Relays
53
Channel Descriptions
54
9 Isodata Data String
56
10 Technical Data
58
Tabular Presentation
58
Standards, Approvals and Certifications
65
Ordering Data
66
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Bender ISOMETER isoEV425 Specifications
General
Brand
Bender
Model
ISOMETER isoEV425
Category
Measuring Instruments
Language
English
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