Swann AMI Oxytrace User manual

Category
Temperature & humidity sensors
Type
User manual

This manual is also suitable for

AMI Oxytrace
AMI Oxytrace QED
Version 6.20 and higher
A-96.250.531 / 300617
Operat
or’s Manual
© 2016, SWAN ANALYTISCHE INSTRUMENTE AG, Switzerland, all rights reserved
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
Document Status
Title:
Monitor AMI Oxytrace QED Operator’s Manual
ID:
A-96.250.531
Revision Issue
00 Jan. 2008 First Edition
01 Nov. 2008 Including AMI Oxytrace QED
02 July 2011 Chapter Quality Assurance added
03 Oct. 2013 New mainboard V2.4, update to FW Release 5.4
04 Sept. 2016 New mainboard V2.5, update to FW Release 6.20
AMI Oxytrace QED
A-96.250.531 / 300617 1
Table of Contents
1. Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Warning Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2. General Safety Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1. Description of the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2. Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3. Instrument Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.4. Single Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.4.1 AMI Oxytrace Transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.4.2 Sensor OXYTRACE G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4.3 QV-Flow PMMA OTG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.4.4 B-Flow SS316L OTG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1. Installation Check List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2. Mounting of Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.3. Connecting Sample Inlet and Outlet. . . . . . . . . . . . . . . . . . . . . . . 23
3.3.1 Swagelok Fitting Stainless Steel at Sample Inlet . . . . . . . . . . . . . 23
3.3.2 FEP Tube at Sample Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.4 Install the Swansensor Oxytrace G . . . . . . . . . . . . . . . . . . . . . . . 24
3.5. Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.5.1 Electrical Connection Diagram AMI Oxytrace . . . . . . . . . . . . . . . 27
3.5.2 Electrical Connection Diagram AMI Oxytrace QED . . . . . . . . . . . 28
3.5.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.6. Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.7. Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.7.1 Alarm Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.7.2 Relay 1 and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.8. Signal Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.8.1 Signal output 1 and 2 (current outputs) . . . . . . . . . . . . . . . . . . . . 33
3.9. Interface Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.9.1 Signal Output 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.9.2 Profibus, Modbus Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.9.3 HART Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.9.4 USB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4. Instrument Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.1. Establish Sample Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2. Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
2 A-96.250.531 / 300617
AMI Oxytrace QED
5. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.1. Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.2. Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.3. Software Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.4. Changing Parameters and values. . . . . . . . . . . . . . . . . . . . . . . . . 40
6. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.1. Maintenance Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.2. Stop of Operation for Maintenance. . . . . . . . . . . . . . . . . . . . . . . . 41
6.3. Maintenance of the Oxygen Sensor . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.1 Electrolyte exchange. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.2 Clean Swansensor Oxytrace G and Flow Cell . . . . . . . . . . . . . . . 44
6.4. Maintenance of the Faraday electrode . . . . . . . . . . . . . . . . . . . . . 45
6.5. Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.6. Zero-Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6.7. Faraday Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.8. Quality Assurance of the Instrument. . . . . . . . . . . . . . . . . . . . . . . 51
6.8.1 Activate SWAN Quality assurance procedure . . . . . . . . . . . . . . . 52
6.8.2 Pre-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.8.3 Connect the sample lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.8.4 Carry out comparison measurement. . . . . . . . . . . . . . . . . . . . . . . 55
6.8.5 Completion of the measurement. . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.9. Replacing Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.10. Longer Stop of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
7. Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8. Program Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.1. Messages (Main Menu 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.2. Diagnostics (Main Menu 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.3. Maintenance (Main Menu 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8.4. Operation (Main Menu 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
8.5. Installation (Main Menu 5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
9. Program List and Explanations. . . . . . . . . . . . . . . . . . . . . . . . . 69
1 Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
2 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
10. Material Safety Data sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
10.1. Reagents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
AMI Oxytrace QED
A-96.250.531 / 300617 3
11. Default Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12. Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13. Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
4 A-96.250.531 / 300617
AMI Oxytrace QED
Safety Instructions
AMI Oxytrace QED -
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 AMI Operator’s Manual shall be kept in proximity of the instru-
ment.
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.
AMI Oxytrace QED
Safety Instructions
A-96.250.531 / 300617 5
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
6 A-96.250.531 / 300617
AMI Oxytrace QED
Safety Instructions
Warning Signs The importance of the warning signs in this manual.
Electrical shock hazard
Corrosive
Harmful to health
Flammable
Warning general
Attention general
AMI Oxytrace QED
Safety Instructions
A-96.250.531 / 300617 7
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.
8 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
2. Product Description
This manual describes the functions of the following monitors
AMI Oxytrace
AMI Oxytrace QED
Both monitors are mainly identical except that AMI Oxytrace QED
includes a faraday verification.
2.1. Description of the System
Application AMI Oxytrace is used to measure low levels of oxygen in high-puri-
ty water. Especially in power plant water cycles (e.g. feedwater), 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
O
2
+ 4e
-
+ 2 H
2
O --> 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.
AMI Oxytrace QED
Product Description
A-96.250.531 / 300617 9
Faraday
Verification
For AMI Oxytrace QED only.
When a direct current is passed through water by means of two
electrodes, electrolysis of the liquid takes place, according to the
laws of Michael Faraday. Water is converted to molecular oxygen
and hydrogen.
Thus, by controlling the current, a fixed, known amount of oxygen,
which is independent of temperature and pressure, may be gener-
ated. If the sample flow is known, an exact oxygen concentration
increment can be generated at low levels. This increment is used to
verify the flawless operation of the whole system. Thereby the re-
sponse characteristics (incremental change and response time) of
the sensor are taken into account. Sensor failures (loss of electro-
lyte etc.) can be detected very easily as shown in the plot below.
Unusual sensor performance is recognized immediately and gives
also a maintenance indication to the operator/user. The faraday
verification is therefore an excellent QA/QC tool.
0
5
10
15
20
25
30
30
Time [Sec]
defective sensor
operational sensor
Dissolved Oxygen [ppm]
60 90 120 150 180 210 240 270 300 330
35
40
10 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
Signal
Outputs
Two signal outputs programmable for measured values (freely
scaleable, linear or bilinear) or as continuous control output (control
parameters programmable).
Current loop: 0/420 mA
Maximal burden: 510
Third signal output available as an option.
Relay Two potential-free contacts programmable as limit switches for
measuring values, controllers or timer for system cleaning with au-
tomatic hold function. Both contacts can be used as normally open
or normally closed.
Maximum load: 1 A/250 VAC
Alarm Relay One potential free contact.
Alternatively:
Open during normal operation, closed on error and loss of
power.
Closed during normal operation, open on error and loss of
power.
Summary alarm indication for programmable alarm values and in-
strument faults.
Input For potential-free contact to freeze the measuring value or to inter-
rupt control in automated installations (hold function or remote-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.The analyzer is facto-
ry tested and ready for installation and operation.
Communica-
tion Interface
(optional)
USB Interface for logger download
RS485 with Fieldbus protocol Modbus or Profibus DP.
HART interface
AMI Oxytrace QED
Product Description
A-96.250.531 / 300617 11
Fluidics AMI Oxytrace
Swansensor oxygen combined with QV-flow PMMA OTG flow cell.
The sample flows via sample inlet [G] through the flow regulating
valve [D], where the flow rate can be adjusted. Then the sample
flows into the measuring cell [C] were the Oxygen concentration
and temperature of the sample is measured.
The sample leaves the measuring cell via flow sensor [B] through
the sample outlet [E] and the drain funnel [F].
A
B
C
D
Oxygen sensor
Flow sensor
Flow cell
Flow regulating valve
E
F
G
Sample outlet
Drain funnel
Sample inlet
A
B
C
D
E
F
G
12 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
Fluidics AMI Oxytrace QED
Swansensor oxygen combined with QV-flow PMMA OTG flow cell.
The sample flows via sample inlet [H] through the flow regulating
valve [E], where the flow rate can be adjusted. Then the sample
flows through the faraday electrode [D] into the measuring cell [C]
were the Oxygen concentration of the sample is measured.
The sample leaves the measuring cell via flow sensor [B] through
the sample outlet [F] and the drain funnel [G].
A
B
C
D
Oxygen sensor
Flow sensor
Flow cell
Faraday electrode
E
F
G
H
Flow regulating valve
Sample outlet
Drain funnel
Sample inlet
A
B
C
D
F
E
G
H
AMI Oxytrace QED
Product Description
A-96.250.531 / 300617 13
2.2. Technical Data
Power Supply Voltage:
Power consumption:
100240 VAC (± 10%)
50/60 Hz (± 5%)
or 24 VDC (± 10%)
max. 30 VA
Electronics Aluminium with a protection degree of IP 66 / NEMA 4X
housing Ambient temperature:
Humidity:
Display:
-10 to +50 °C
1090% rel., non condensing
backlit LCD, 75 x 45 mm
Sample
requirements
Flow rate:
Temperature:
Inlet pressure:
Outlet pressure
pH:
Suspended solids:
8–25 l/h
1545 °C
0.2 to 1 bar
pressure free
not lower than pH 4
less than 10 ppm
Flow cell and
connection
Flow cell made of acrylic glass with built-in flow adjustment valve
and digital sample flow meter
Sample inlet:
Sample outlet:
1/4” Swagelok tube adapter
for flexible tube 15x20 mm
On-Site
requirements
Sample inlet:
Sample outlet:
Swagelok connection for stainless steel
tube 1/4”.
15x20 mm (1/2”) hose nozzle which
must end in a pressure free waste of suf-
ficient capacity.
Accuracy
Reproducibility
± 1.5% of measured value or ± 0.2 ppb
±1% of measured value or ± 0.15 ppb
Measuring
Range
Temperature
up to 60°C
Resolution: 0.1°C
Sample Flow
Measurement
With Swan sample flow meter and alarm in case of insufficient
sample flow.
14 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
Dimensions
(Oxytrace and
Oxytrace QED)
Panel:
Mounting hole distance
Screws:
Weight:
Stainless steel
280x850x150 mm
254x824
8 mm diameter
12.0 kg
AMI Oxytrace
850 mm / 33½”
13 mm / ½”
4 x dia. 10 mm / ⅜”
254 mm/ 10”
280 mm/ 11”
824 mm / 32
7
/
16
AMI Oxytrace QED
Product Description
A-96.250.531 / 300617 15
2.3. Instrument Overview
AMI Oxytrace
A
B
C
D
E
Panel
AMI Transmitter
Oxygen sensor
Flow sensor
Flow cell
F
G
H
I
Flow regulating valve
Sample outlet
Drain funnel
Sample inlet
A
B
C
D
E
F
G
H
I
16 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
AMI Oxytrace QED
A
B
C
D
E
F
Panel
AMI Transmitter
Faraday control unit
Oxygen sensor
Sample outlet
Flow sensor
G
H
I
J
K
Flow cell
Flow regulating valve
Faraday electrode
Drain funnel
Sample inlet
A
B
C
D
E
F
G
H
I
J
K
AMI Oxytrace QED
Product Description
A-96.250.531 / 300617 17
2.4. Single Components
2.4.1 AMI Oxytrace Transmitter
Electronic transmitter and controller for oxygen measurement.
140
4.5
180
165
103
18.5
7.5
Dimensions Width:
Height:
Depth:
Weight:
140 mm
180 mm
70 mm
1.5 kg
Specifications Electronics case:
Protection degree:
Display:
Electrical connectors:
Cast aluminum
IP 66 / NEMA 4X
backlit LCD, 75 x 45 mm
screw clamps
18 A-96.250.531 / 300617
AMI Oxytrace QED
Product Description
2.4.2 Sensor OXYTRACE G
Sensor for the measurement of dissolved oxygen in ultra pure wa-
ter. Precise oxygen measuring cell with integrated temperature
sensor and guard electrode for faster initial response time after
maintenance.
100
59
31.9
38.3
Technical data
:
Clark oxygen electrode
Cathode gold, anode silver, guard silver
Zero current-free electrode system
Robust 25 µm fluoropolymer diaphragm
Measuring
range
:
0–20 ppm O
2
(25 °C)
Automatic range switching
Range
0.19.99 ppb
10199.9 ppb
2001999 ppb
220 ppm
0 – 200% saturation
Resolution
0.01 ppb
0.1 ppb
1.0 ppb
0.01 ppm
Temp. sensor
:
NT5K
Accuracy
:
0,3 % if calibration temperature = measuring temp.
1,5 % at ± 10 °C deviation to cal. temperature
Precision
Response time
Minimal flow
Operating temp.
:
:
:
:
± 1 % of reading or ±0.15 ppb
t
90
< 30 seconds (rising concentration)
50 cm/s Pressure resistance: 3 bar
max. 50 °C
Material
Protection
Weight
:
:
:
shaft: polyacetal copolymer
cathode/anode/guard: gold/silver/silver
membrane: fluoropolymer
IP 68
150 g
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Swann AMI Oxytrace User manual

Category
Temperature & humidity sensors
Type
User manual
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