ABB Endura AZ20 User Manual

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ABB MEASUREMENT & ANALYTICS | SAFETY INSTRUCTION | SI/AZ20/AZ30-EN REV. A
Endura AZ20 and Endura AZ30
Oxygen analyzer
Measurement made easy
Introduction
This manual provides information and instructions
that will be needed in order to use the AZ20 or AZ30
in safety related applications. It is aimed at those
responsible for planning, designing, installing,
commissioning and maintaining safety related
systems.
To avoid duplication, many of the standard
procedures are not explained in this document.
However, references are made to user guides,
installation procedures and maintenance
procedures with links to the source material.
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Endura AZ20 & Endura
AZ30 oxygen analyzer

ABB Endura AZ20 Specifications

General

Category	Measuring Instruments
Type	Zirconia Oxygen Analyzer
Power Supply	100 to 240 VAC, 50/60 Hz
Response Time (T90)	<5 seconds
Process Temperature	Up to 1400°C
Output	4-20 mA
Probe Length	0.4m to 4.0m
Operating Humidity	0 to 95% RH, non-condensing
Enclosure Rating	IP65

Summary

Introduction

Overview – versions with SIL available

AZ20 safe area oxygen analyzer

Details about the AZ20 model for safe area use, including remote and integral versions.

AZ30 hazardous area oxygen analyzer

Details about the AZ30 model for hazardous area use, including remote and integral versions.

Acronyms and abbreviations

Standards and definitions of terms

Standard IEC 61508 (2010), Part 1 and 2

Defines functional safety of electrical/electronic/programmable electronic safety-related systems for manufacturers and suppliers.

Dangerous failure

A failure that has the potential to place the safety-related system in a dangerous state or render it inoperative.

Safety-related system

A system that performs safety functions to achieve or maintain a safe plant condition.

Safety function

A specified function performed by a safety-related system to achieve a safe condition during hazardous events.

Zirconia probe as part of the safety function system

Functional safety compliance - prerequisites to operate the device

Configuration

Locking/unlocking the configuration level

Securing the device configuration to prevent unauthorized changes that may affect the safety function.

Reset password

Procedure for resetting a forgotten password, requiring contact with ABB.

Configuration of the transmitter

Parameter descriptions

Proof test

Calibration

Instructions for calibrating AZ20 and AZ30 devices.

Inspection

On-site inspection procedures, including manual calibration and component checks, for alarms or failed calibration.

Repair

SIL certificate