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A-ISOMETER IRDH375
Bender A-ISOMETER IRDH375 - User Manual
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A-ISOMETER IRDH375
IRDH375B
Insulation monitoring device f
or
AC IT systems with galv
anically
connected rectifiers and conv
erters,
and for IT DC systems
(isolated systems)
Operating manual
TGH1352E
A-ISOMETER®
IRDH375
INFO
TEST
RESET
M
E
N
U
ESC
12
k
Isola
tion
F
eh
ler
R
=010K
Edition: January 2002
2
Table of Contents
Main Page
Commissioning
3
Table of Contents
7
Connection
7
Safety Information
9
Function
15
Irdh375, Irdh375B
15
Product Description
16
Function
16
Real-Time Clock
17
Interconnected Networks
18
Function Input F1/F2
18
Isonet
19
Self-Test
20
Wiring Diagram
22
Network Decoupling
23
Connection with Coupling Devices
24
Operation with Coupling Device AGH204S-4
25
Operation and Setting
26
Operating Elements and Displays
26
Function Keys
27
Menu Structure
31
Diagram HISTORY INFO
32
History Info
33
Iso Setup
34
Response Values Alarm1 and Alarm2
35
Operating Principle of the Alarm Relays
35
Memory Setting
35
Current Output
35
Setting of the Extended Functions
36
Diagram ISO ADVANCED
36
Setting of the Coupling Devices
37
Adaptation to the System
37
Leakage Capacitance
37
Automatic Self-Test
37
Real-Time Clock
38
Date
38
Test
38
Setting COM SETUP
40
Isonet Function
41
Bus Address
41
BMS Monitor
41
Password Setting
42
Setting the National Language
43
Interface
44
Serial Interface IRDH375
44
RS485 Interface
45
Bender Measuring Interface
47
BMS Slave
48
BMS Master
49
Commissioning BMS Network
49
Technical Data
50
Standards
53
Response Time
54
Max. AC Voltage between System and PE
55
Current Outputs
56
Status Number
58
Dimension Diagram
60
Ordering Details
61
Standard Version
61
Accessories
61
Coupling Devices
62
Measuring Instruments for -4
62
Label Modifi Ed Version
63
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Bender A-ISOMETER IRDH375 Specifications
General
Brand
Bender
Model
A-ISOMETER IRDH375
Category
Measuring Instruments
Language
English
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