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Bender ISOMETER IRDH275 User Manual

Bender ISOMETER IRDH275
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Manual
EN
IRDH275_D00122_02_M_XXEN/10.2016
ISOMETER®IRDH275
IRDH275B
Insulation monitoring device for IT AC systems
with galvanically connected rectifiers and converters
and for IT DC systems
Software version IRDH275: D160 V1.8

Table of Contents

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Bender ISOMETER IRDH275 Specifications

General IconGeneral
ModelIRD H275
Measurement Accuracy±10 %
DisplayLCD
Supply Voltage24 V DC / 110-230 V AC
Storage Temperature-40°C to +70°C
Power Supply24 V DC / 110-230 V AC

Summary

Important Information

How to Use This Manual

Provides guidance on manual usage, explains symbols, and their significance.

Technical Support, Service, and Support

Details contact information and offered services for commissioning, troubleshooting, repair, and field support.

Training Courses

Information on training programs for test equipment usage and workshop schedules.

Delivery Conditions

Outlines Bender's sale and delivery terms, including software clauses and industry standards.

Inspection, Transport, and Storage

Procedures for checking packaging, handling transit damage, and proper storage requirements.

Warranty and Liability

Exclusions for warranty and liability claims arising from improper use or unauthorized modifications.

Disposal

Guidelines for equipment disposal according to WEEE, RoHS directives, and national regulations.

Safety Instructions

General Safety Instructions

References accompanying safety documentation and general safety principles.

Work Activities on Electrical Installations

Emphasizes qualified personnel requirement for installation and commissioning to prevent hazards.

Device-Specific Safety Information

Safety notes on unauthorized access, correct voltage, and essential system settings.

Intended Use

Defines the device's primary function: monitoring insulation resistance in IT systems.

Directions for Installation

Installation guidelines to prevent property damage and ensure correct device connection.

Function

Common Characteristics (IRDH275 and IRDH275B)

Lists shared features like IT system monitoring, automatic adaptation, and measuring principles.

Additional Characteristics IRDH275B

Highlights specific features of the IRDH275B, such as BMS interface and real-time clock functionality.

Product Description

Describes the IRDH275 as a versatile device for various AC and DC systems.

Functionality Overview

Explains the core function of measuring insulation resistance using a pulsating AC voltage.

Additional Functions IRDH275B

Details advanced features for IRDH275B, including current output and real-time clock for data logging.

Connection

Wiring Guidelines

Provides instructions for connecting the device to the power supply, including fuse recommendations.

Wiring Diagrams with Coupling Devices

Illustrates connection methods using various coupling devices like AGH series.

Commissioning Flow Chart

ISOMETER® Commissioning Process

A step-by-step visual guide for the proper commissioning of the ISOMETER®.

Operation and Setting

Operating Features and Displays

Explains the device's front panel controls, LEDs, and display modes.

Menu Structure and Navigation

Guides users through menu navigation, parameter adjustments, and exiting menus.

Menu HISTORY INFO

Details how to manage event logs with date and time stamps in the memory database.

Menu ISO SETUP

Configuration of basic alarm functions, relay principles, and fault storage behavior.

Menu ISO ADVANCED

Settings for advanced functions, including coupling devices, leakage capacitance, and self-test timing.

Menu COM SETUP

Configuration of the BMS interface, including bus address and ISOnet communication.

Menu PASSWORD

Instructions for activating and setting a password to secure device settings.

Menu LANGUAGE

Options for selecting the display language for fault messages.

Menu SERVICE

Restricted access for service personnel for fault diagnostics and clearance.

Parameterization via Internet

Remote configuration of device parameters using a PC and specific gateway software.

Serial Interfaces

RS485 Interface with IsoData Protocol

Technical specifications for the RS485 interface using the IsoData protocol for IRDH275.

RS485 Interface with BMS Protocol

Technical details for the RS485 interface with BMS protocol for IRDH275B, including network topology.

Topology RS485 Network

Correct and incorrect network arrangements and wiring requirements for RS485 communication.

BMS Protocol Configuration

Explains the BMS protocol, Master-Slave operation, and address assignments.

Technical Data IRDH275(B)

Data in Tabular Form

Comprehensive technical specifications presented in tables, including voltage, current, and environmental data.

Standards, Approvals, and Certifications

Lists all relevant industry standards and certifications applicable to the device.

Characteristic Curves

Graphical representations of device performance characteristics under various conditions.

Ordering Details

Information required for ordering different device variants, coupling devices, and measuring instruments.

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