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A-Isometer IRDH 275
Bender A-Isometer IRDH 275 User Manual
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Operating Manual
A-ISOMETER® IRDH275
IRDH275B
Insulation monitoring device for
IT AC systems with
galvanically connected
rectif
iers
and converters
and for IT DC systems
Software version IR
DH275: D160 V1.4
Software version IR
DH275B: D159 V1.4
TGH1361en/11.2009
2
Table of Contents
Default Chapter
1
Operating Manual
1
Table of Contents
3
1 Safety Information
7
Use for the Intended Purpose
7
Warranty and Liability
7
Personnel
8
About the Operating Manual
8
Hazards When Handling the A-ISOMETER® IRDH275
8
Inspection, Transport and Storage
9
Note
9
Explanations of Symbols and Warnings
9
Directions for Installation
10
2 Function
11
Common Characteristics (IRDH275 and IRDH275B)
11
Additional Characteristics IRDH275B
11
Product Description
12
Function
12
Additional Functions IRDH275B
15
3 Commissioning Flow Chart (Threepart)
19
4 Connection
23
Wiring
23
Wiring Diagrams with Coupling Devices
26
Connection with AGH150W-4
26
Connection with AGH520S
27
Connection with AGH204S-4
28
5 Operation and Setting
31
Operating Features and Displays IRDH275(B)
31
Display in the Standard Mode
32
Display in the Menu Mode
32
Function Keys
33
Menu Structure and Menu Mode
36
Diagram Menu Structure
37
Menu HISTORY INFO (IRDH275B)
38
Diagram HISTORY INFO (IRDH275B)
39
Menu ISO SETUP: Setting of the Basic A-ISOMETER® Functions
40
Response Values Alarm 1 and Alarm 2
40
Operating Principle of the Alarm Relays
40
Memory Setting (On/Off)
42
Current Output for External Measuring Instruments (IRDH275B)
42
Menu ISO ADVANCED: Setting of the Extended Functions
43
External Coupling Devices (AGH: No)
43
Adaptation to the System Leakage Capacitance (Cemax : 150 Μf)
44
Changing the Measuring Principle from AMP to DC (Measure: AMP)
44
Setting the Repetition Time for Automatic Self Tests (Autotest: 24H)
44
Setting the Real-Time Clock (Clock) (IRDH275B)
44
Setting the Date (Date) (IRDH275B)
44
Specifying the Starting Time of the Automatic Self Test (Test) (IRDH275B)
44
Diagram ISO ADVANCED
45
Menu COM SETUP: Setting the BMS Interface
46
Bus Address „Addr:" (IRDH275B)
46
Isonet Function (IRDH275B)
46
ISO Monitor (IRDH275B)
46
Diagram COM SETUP (IRDH275B)
47
Menu PASSWORD
48
Activating and Setting the Password
48
Diagram PASSWORD
48
Menu LANGUAGE
49
Setting the National Language
49
Diagram Language
49
Menu SERVICE
50
Parameterization Via Internet
50
6 Serial Interfaces
51
RS485 Interface with Isodata Protocol (IRDH275)
51
RS485 Interface with BMS Protocol (IRDH275B)
53
Topology RS485 Network (IRDH275B)
54
Correct Arrangement
54
Wrong Arrangement
54
Wiring
54
BMS Protocol (IRDH275B)
55
BMS Master
55
BMS Slave
56
Commissioning of an RS485 Network with BMS Protocol
57
7 Technical Data IRDH275(B)
59
Data in Tabular Form
59
General Data
61
Standards and Approvals
62
Characteristic Curves
63
Ordering Details
70
A-Isometer
70
Coupling Devices
71
Measuring Instruments
71
Label for Modified Versions
71
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Bender A-Isometer IRDH 275 Specifications
General
Brand
Bender
Model
A-Isometer IRDH 275
Category
Measuring Instruments
Language
English
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