Swan Analytical Instruments AMU Oxytrace Manual de usuario

AMU Oxytrace

Version 6.20 and higher

A-96.250.541 / 230320

Operator’s Manual

subject to change without notice.

Customer Support

SWAN and its representatives maintain a fully trained staff of technical specialists

around the world. For any technical question, contact your nearest

SWAN representative, or the manufacturer:

SWAN ANALYTISCHE INSTRUMENTE AG

Studbachstrasse 13

8340 Hinwil

Switzerland

Internet: www.swan.ch

E-mail: [email protected]

Document Status

Title: AMU Oxytrace Operator’s Manual

ID: A-96.250.541

Revision Issue

00 January 2008 First Edition

01 May 2019 Update to firmware V6.20

AMU Oxytrace

A-96.250.541 / 230320 1

Table of Contents

1. Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1. Warning Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2. General Safety Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1. Description of the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2. Single Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2.1 AMU Oxytrace Transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2.2 Sensor OXYTRACE G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2.3 QV-Flow PMMA OTG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.2.4 B-Flow SS316L OTG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.1. Installation Check List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.2. Dimensions of the AMU Transmitter. . . . . . . . . . . . . . . . . . . . . . . 15

3.3 Install the Swansensor Oxytrace G . . . . . . . . . . . . . . . . . . . . . . . 16

3.4. Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.5. Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.6. Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.7. Flow Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.8. Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.9. Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.9.1 Alarm Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.9.2 Relay 1 and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.10. Signal Output 1 and 2 (current outputs) . . . . . . . . . . . . . . . . . . . . 20

3.11. Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.11.1 RS232 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.11.2 Profibus (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.11.3 Modbus (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4. Instrument Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.1. Establish Sample Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.2. Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.1. Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.2. Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.3. Software Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.4. Changing Parameters and values . . . . . . . . . . . . . . . . . . . . . . . . 27

2A-96.250.541 / 230320

AMU Oxytrace

6. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.1. Maintenance Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.2. Stop of Operation for Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 28

6.3. Maintenance of the Oxygen Sensor . . . . . . . . . . . . . . . . . . . . . . . 29

6.3.1 Electrolyte exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.3.2 Clean Swansensor Oxytrace G and Flow Cell . . . . . . . . . . . . . . 31

6.4. Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.5. Zero-Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.6. Longer Stop of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

7. Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8. Program Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

8.1. Messages (Main Menu 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

8.2. Diagnostics (Main Menu 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

8.3. Maintenance (Main Menu 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

8.4. Operation (Main Menu 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.5. Installation (Main Menu 5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

9. Program List and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . 44

1 Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

2 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

10. Material Safety Data sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

10.1. Reagents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

11. Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

12. Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

13. Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

AMU Oxytrace

Safety Instructions

A-96.250.541 / 230320 3

AMU Oxytrace–Operator’s Manual

This document describes the main steps for instrument setup, oper-

ation and maintenance.

1. Safety Instructions

General The instructions included in this section explain the potential risks

associated with instrument operation and provide important safety

practices designed to minimize these risks.

If you carefully follow the information contained in this section, you

can protect yourself from hazards and create a safer work environ-

ment.

More safety instructions are given throughout this manual, at the

respective locations where observation is most important.

Strictly follow all safety instructions in this publication.

Target

audience

Operator: Qualified person who uses the equipment

for its intended purpose.

Instrument operation requires thorough knowledge of applications,

instrument functions and software program as well as all applicable

safety rules and regulations.

OM Location The Operator’s Manual shall be kept in proximity of the instrument.

Qualification,

Training

To be qualified for instrument installation and operation, you must:

read and understand the instructions in this manual as well as

the Material Safety Data Sheets.

know the relevant safety rules and regulations.

4A-96.250.541 / 230320

AMU Oxytrace

Safety Instructions

1.1. Warning Notices

The symbols used for safety-related notices have the following sig-

nificance:

DANGER

Your life or physical wellbeing are in serious danger if such

warnings are ignored.

Follow the prevention instructions carefully.

WARNING

Severe injuries or damage to the equipment can occur if such

warnings are ignored.

Follow the prevention instructions carefully.

CAUTION

Damage to the equipment, minor injury, malfunctions or incor-

rect process can be the consequence if such warnings are ig-

nored.

Follow the prevention instructions carefully.

Mandatory

Signs

The importance of the mandatory signs in this manual.

Safety goggles

Safety gloves

AMU Oxytrace

Safety Instructions

A-96.250.541 / 230320 5

Warning Signs The importance of the warning signs in this manual.

Electrical shock hazard

Corrosive

Harmful to health

Flammable

Warning general

Attention general

6A-96.250.541 / 230320

AMU Oxytrace

Safety Instructions

1.2. General Safety Regulations

Legal

Requirements

The user is responsible for proper system operation.

All precautions must be followed to ensure safe operation

of the instrument.

Spare Parts

and

Disposables

Use only official SWAN spare parts and disposables. If other parts

are used during the normal warranty period, the manufacturer’s

warranty is voided.

Modifications Modifications and instrument upgrades shall only be carried out by

an authorized Service Technician. SWAN will not accept responsi-

bility for any claim resulting from unauthorized modification or alter-

ation.

WARNING

Risk of Electrical Shock

If proper operation is no longer possible, the instrument must be

disconnected from all power lines, and measures must be taken

to prevent inadvertent operation.

To prevent from electrical shock, always make sure that the

ground wire is connected.

Service shall be performed by authorized personnel only.

Whenever electronic service is required, disconnect instru-

ment power and power of devices connected to.

– relay 1,

– relay 2,

– alarm relay

WARNING

For safe instrument installation and operation you must read

and understand the instructions in this manual.

WARNING

Only SWAN trained and authorized personnel shall perform the

tasks described in this document.

AMU Oxytrace

Product Description

A-96.250.541 / 230320 7

2. Product Description

2.1. Description of the System

Application The AMU Oxytrace is used to measure low levels of oxygen in

high-purity water. Especially in power plant water cycles (e.g. feed-

water), a very low level of oxygen is needed to prevent corrosion.

Measuring

principle

Clark principle:

The sensor consists of one noble metal electrode (e.g. platinum or

gold), a reference electrode (mostly Ag/AgCl) and optionally a met-

al guard electrode.

The Clark-type electrode is the most widely used oxygen sensor for

measuring oxygen dissolved in a liquid. The basic principle is that

there is a cathode and an anode submersed in an electrolyte and a

voltage is applied between the two parts. Oxygen enters the sensor

through a permeable membrane by diffusion, and is reduced at the

cathode according to

O2 + 4e- + 2 H2O --> 4 OH-

This reaction creates a measurable current. There is a linear cor-

relation between the oxygen concentration and the electrical cur-

rent.

The guard electrode is on the same voltage level as the cathode

but there is no current measurement. Oxygen which diffuses from

the electrolyte to the cathode is consumed by the guard electrode.

As a consequence, residual oxygen in the electrolyte will no more

disturb the measurement signal and the response time to low oxy-

gen levels will be shorter.

Temperature

compensa-

tion

The measuring signal depends on temperature, but is automatically

compensated to 25 °C. The sample temperature is determined con-

tinuously by a temperature sensor inside the oxygen electrode.

Signal

Outputs

Two signal outputs programmable for measured values (freely

scaleable, linear or bilinear) or as continuous control output (control

parameters programmable).

Current loop: 0/4–20 mA

Maximal burden: 510 Ω

8A-96.250.541 / 230320

AMU Oxytrace

Product Description

Relay Two potential-free contacts programmable as limit switches for

measuring values, controllers or timer for system cleaning with au-

tomatic hold function.

Maximum load: 100 mA/ 50 V

Alarm Relay One potential free contact. Summary alarm indication for program-

mable alarm values and Instrument faults.

Available in two configurations:

Normally open*: Closed during normal operation, open in case of

error or power loss.

Normally closed: Open during normal operation, closed in case

of error or power loss

*Standard configuration. To order the version with normally closed

alarm relay, contact your dealer in advance.

Maximum load: 100 mA/50 V

Input One input for potential-free contact to freeze the measuring value

or to interrupt control in automated installations (hold function or re-

mote-off).

Safety

Features

No data loss after power failure. All data is saved in non-volatile

memory. Over voltage protection of in- and outputs. Galvanic sepa-

ration of measuring inputs and signal outputs.

Communica-

tion Interface

RS232 interface for downloading the logger via Hyperterminal

RS485 with Fieldbus protocol Modbus or Profibus DP (optional)

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