XTP601
Process Oxygen Analyzer
User’s Manual
Back. Gas: N2
20.91 % 02
Cell T Not Stable
97313 Issue 5.1
July 2018
Please fill out the form(s) below for each instrument that has been purchased.
Use this information when contacting Michell Instruments for service purposes.
Analyzer
Code
Serial Number
Invoice Date
Location of Instrument
Tag No
Analyzer
Code
Serial Number
Invoice Date
Location of Instrument
Tag No
Analyzer
Code
Serial Number
Invoice Date
Location of Instrument
Tag No
Back. Gas: N2
20.91 % 02
Cell T Not Stable
XTP601
For Michell Instruments' contact information please go to www.michell.com
© 2018 Michell Instruments
This document is the property of Michell Instruments Ltd. and may not be copied or otherwise reproduced, communicated in any way to third parties, nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd.
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XTP601 User’s Manual |
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Contents |
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Safety ............................................................................................................................... |
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Electrical Safety .......................................................................................................... |
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Pressure Safety........................................................................................................... |
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Temperature Safety..................................................................................................... |
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Toxic Materials ............................................................................................................ |
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Repair and Maintenance .............................................................................................. |
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Calibration.................................................................................................................. |
vii |
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Safety Conformity ....................................................................................................... |
vii |
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Equipment Ratings ...................................................................................................... |
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Abbreviations.................................................................................................................... |
viii |
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Warnings .......................................................................................................................... |
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1 |
INTRODUCTION ................................................................................................ |
1 |
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1.1 |
Features ............................................................................................................ |
2 |
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1.2 |
Applications ....................................................................................................... |
3 |
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1.3 |
O-Ring Selection................................................................................................. |
3 |
2 |
OPERATION ...................................................................................................... |
4 |
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2.1 |
Preparation ........................................................................................................ |
4 |
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2.2 |
Powering up the Analyzer.................................................................................... |
5 |
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2.3 |
User Interface .................................................................................................... |
6 |
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2.3.1 |
Interface Controls ......................................................................................... |
6 |
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2.3.2 |
‘ESC’ Button.................................................................................................. |
7 |
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2.3.3 |
‘Up/Down Arrow’ Buttons............................................................................... |
7 |
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2.3.4 |
‘ENTER’ Button ............................................................................................. |
7 |
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2.4 |
Menu Structure .................................................................................................. |
8 |
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2.4.1 |
Menu Map .................................................................................................... |
9 |
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2.5 |
Front Pages (No passcode Required).................................................................... |
9 |
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2.5.1 |
Main Page .................................................................................................. |
10 |
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2.5.2 |
Chart Page ................................................................................................ |
11 |
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2.5.3 |
Secondary Parameters Page......................................................................... |
12 |
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2.5.4 |
O2 Min/Max Page ....................................................................................... |
12 |
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2.5.5 |
Alarms Log Pages ....................................................................................... |
13 |
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2.6 |
Info Page ........................................................................................................ |
13 |
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2.7 |
User Set-Up Variables (Passcode Required) ........................................................ |
14 |
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2.7.1 |
Settings Page.............................................................................................. |
15 |
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2.7.2 |
Human Machine Interface (HMI) Page .......................................................... |
16 |
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2.7.3 |
Clock Page.................................................................................................. |
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2.7.4 |
Reset Page ................................................................................................. |
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2.7.5 |
Outputs Page.............................................................................................. |
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2.7.6 |
External Compensation Page........................................................................ |
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2.7.7 |
External Sensor Page .................................................................................. |
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2.7.8 |
Field Cal Page ............................................................................................. |
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2.7.9 |
Light Guide Option ...................................................................................... |
21 |
3 |
CALIBRATION.................................................................................................. |
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3.1 |
1 Point Calibration ............................................................................................ |
23 |
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3.2 |
2 Point Calibration ........................................................................................... |
24 |
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3.3 |
Field Calibration Reset ...................................................................................... |
25 |
4 |
INSTALLATION ................................................................................................ |
26 |
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4.1 |
Unpacking........................................................................................................ |
27 |
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4.2 |
System Components ......................................................................................... |
28 |
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4.3 |
Set-Up............................................................................................................. |
29 |
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XTP601 User’s Manual
4.4 |
Mechanical Installation...................................................................................... |
30 |
4.4.1 |
Gas Connection........................................................................................... |
30 |
4.4.2 |
Sample Gas Requirements ........................................................................... |
30 |
4.4.3 |
Calibration Gases ........................................................................................ |
31 |
4.5 |
Electrical Installation......................................................................................... |
31 |
4.5.1 |
Power Supply and Input/Output Signal ......................................................... |
31 |
4.5.2 |
Power Supply (PL9 - Green) ........................................................................ |
31 |
4.5.3 |
Signal Output ............................................................................................. |
32 |
4.5.4 |
Serial Output .............................................................................................. |
32 |
4.5.5 |
Analog (4-20 mA) Outputs and Communications (PL5 - Green)....................... |
32 |
4.5.6 |
Alarm Relay Contacts (PL1Black)................................................................ |
33 |
4.5.7 |
Analog (4-20 mA) Inputs and Sensor Excitation Voltage (PL4 - Green) ............ |
33 |
4.5.8 |
Light Guide................................................................................................. |
34 |
Figures |
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Figure 1 |
XPT601 Oxygen Analyzer Versions .............................................................. |
1 |
Figure 2 |
Initializing Screen ....................................................................................... |
5 |
Figure 3 |
Main Page.................................................................................................. |
5 |
Figure 4 |
User Interface ............................................................................................ |
6 |
Figure 5 |
XTP600 Series Application Software ............................................................. |
6 |
Figure 6 |
ESC Button ................................................................................................ |
7 |
Figure 7 |
Up/Down Arrow Buttons ............................................................................. |
7 |
Figure 8 |
ENTER Button ............................................................................................ |
7 |
Figure 9 |
Menu Map.................................................................................................. |
9 |
Figure 10 |
Main Page................................................................................................ |
10 |
Figure 11 |
Chart Page............................................................................................... |
11 |
Figure 12 |
Secondary Parameters Page ...................................................................... |
12 |
Figure 13 |
O2 Min/Max Page ..................................................................................... |
12 |
Figure 14 |
Alarms Log Page ...................................................................................... |
13 |
Figure 15 |
Info Page................................................................................................. |
13 |
Figure 16 |
User Set-Up Variables Page ....................................................................... |
14 |
Figure 17 |
Settings Page ........................................................................................... |
15 |
Figure 18 |
HMI Page................................................................................................. |
16 |
Figure 19 |
Clock Page ............................................................................................... |
16 |
Figure 20 |
Reset Page............................................................................................... |
17 |
Figure 21 |
Outputs Page ........................................................................................... |
17 |
Figure 22 |
External Compensation Page ..................................................................... |
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Figure 23 |
External Sensor Page................................................................................ |
19 |
Figure 25 |
Field Cal Page .......................................................................................... |
20 |
Figure 26 |
1 Point Calibration Page ............................................................................ |
23 |
Figure 27 |
2 Point Calibration Page ............................................................................ |
24 |
Figure 28 |
Field Calibration Reset Page ...................................................................... |
25 |
Figure 29 |
XTP601 Cutaway Showing Major Components ............................................ |
28 |
Figure 30 |
XTP601 Lid Removal ................................................................................. |
29 |
Figure 31 |
XTP601 Cable Entries................................................................................ |
30 |
Figure 32 |
Terminal Block Locations........................................................................... |
31 |
Figure 33 |
XTP601 Dimensional Drawings .................................................................. |
38 |
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XTP601 User’s Manual |
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Appendices |
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Appendix A |
Technical Specifications............................................................................. |
36 |
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A.1 |
Dimensions Ex version ................................................................ |
38 |
Appendix B |
Modbus Register Map ............................................................................... |
40 |
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Appendix C |
Hazardous Area Certification ..................................................................... |
47 |
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C.1 |
Product Standards ...................................................................... |
47 |
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C.2 |
Product Certification ................................................................... |
47 |
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C.3 |
Global Certificates/Approvals ....................................................... |
47 |
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C.4 |
Special Conditions....................................................................... |
47 |
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C.5 |
Maintenance and Installation....................................................... |
48 |
Appendix D |
Quality, Recycling, Compliance & Warranty Information............................... |
50 |
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Appendix E |
Analyzer Return Document & Decontamination Declaration ......................... |
52 |
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97313 Issue 5, May 2018 |
XTP601 User’s Manual
Safety
The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual. The user must not use this equipment for any other purpose than that stated. Do not apply values greater than the maximum value stated.
This manual contains operating and safety instructions, which must be followed to ensure the safe operation and to maintain the equipment in a safe condition. The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage. Use qualified personnel and good engineering practice for all procedures in this manual.
Electrical Safety
The instrument is designed to be completely safe when used with options and accessories supplied by the manufacturer for use with the instrument. The input power supply voltage is 24 V DC, 1.5 A (max). Refer to labels on the instrument or calibration certificate.
Pressure Safety
DO NOT permit pressures greater than the safe working pressure to be applied to the instrument. The specified safe working pressure for this instrument is 3 barg (43 psig) max.
Temperature Safety
During operation some parts of the instrument may be at high temperature.
Toxic Materials
The use of hazardous materials in the construction of this instrument has been minimized. During normal operation it is not possible for the user to come into contact with any hazardous substance which might be employed in the construction of the instrument. Care should, however, be exercised during maintenance and the disposal of certain parts.
Long exposure to, or breathing of the calibration gases, may be dangerous.
Repair and Maintenance
The instrument must be maintained either by the manufacturer or an accredited service agent. For Michell Instruments’ worldwide offices contact information go to www.michell.com.
Calibration
The recommended calibration interval for the analyzer is 3 months. Depending on the application in which the instrument is used, the calibration interval may be reduced. Please consult the factory for the specific calibration interval.
Safety Conformity
This product carries the CE mark and meets the requirements of relevant European safety directives.
Equipment Ratings
This equipment must be supplied with a voltage of 24 V DC, 1.5 A (36 W). The power is connected via PL9 on the mother board (see Section 4.5). All input and output connectors are 2-part pcb mounted type.
The detachable, screw terminal half of each connector is designed to accept 24 -12 AWG stranded or solid conductors.
Michell Instruments |
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XTP601 User’s Manual
Abbreviations
The following abbreviations are used in this manual:
A |
Ampere |
AC |
alternating current |
bara |
pressure in bar (absolute) |
barg |
pressure in bar (gauge) |
°C |
degrees Celsius |
°F |
degrees Fahrenheit |
DC |
direct current |
kg |
kilogram |
kPa |
Kilopascal |
lb |
pound |
max |
maximum |
mA |
milliampere |
ml/min |
milliliters per minute |
mm |
millimeters |
ppm |
parts per million |
psig |
pounds per square inch |
scfh |
standard cubic feet per hour |
V |
Volt |
" |
inches |
Ωohm
Warnings
The following general warnings listed below are applicable to this instrument. They are repeated in the text in the appropriate locations.
Where this symbol appears in the following sections it is used to indicate areas where potentially hazardous operations need to be carried out.
THESE TASKS SHOULD BE UNDERTAKEN BY QUALIFIED
PERSONNEL ONLY.
Where this symbol appears in the following sections it is used to indicate areas of potential risk of electric shock.
NOTE: Warnings and important notifications are marked with bold text.
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97313 Issue 5, May 2018 |
XTP601 User’s Manual |
INTRODUCTION |
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1 INTRODUCTION
This manual will show how to measure oxygen easily using the XTP601 Oxygen Analyzer.
The following sections contain information about:
•Analyzer components
•Operating instructions
•Calibration and maintenance of the Analyzer
•Installation
Please read this manual carefully and pay special attention to the safety warnings and notifications.
NOTE: Warnings and important notifications are marked with bold text.
The 3 versions of the XTP601 available are shown below:
The 5 versions of the XTP601 available as described below:
GP1, GP2 or EX1 |
GP3 or EX3 |
Analyzer with touch screen |
Oxygen transmitter |
(capacitive buttons) |
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Figure 1 XPT601 Oxygen Analyzer Versions
The XTP601 Oxygen Analyzer is based on Michell Instruments’ advanced proprietary Thermo-Paramagnetic technology. It measures the percentage of oxygen in a wide range of gases, including nitrogen, hydrogen, carbon dioxide methane and biogas. The sensor is housed in a weather-proof (GP version) or explosion-proof (EX version) casing - both IP66 & NEMA 4X rated. It is suitable for a range of applications in safe or hazardous areas.
EX1, EX3 and GP2 models are supplied with flame arrestors for use with flammable gases or in hazardous areas.
NOTE: this manual relates to products with firmware version V1.07.
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INTRODUCTION |
XTP601 User’s Manual |
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1.1Features
•There are 2 versions of the XTP601 available:
Analyzer with touch screen (capacitive buttons)
Transmitter (base model)
•The XTP601 is calibrated in a specific background gas to match customer's requirements. This is displayed on the front screen of the analyzer or via the Application Software.
•The XTP601 provides 2 off 4-20 mA analog output signals that are proportional to the oxygen concentration. The primary 4-20 mA output is locked on the calibrated range of the instrument. The secondary output is user-selectable within the calibrated range.
•Modbus RTU over RS485 protocol serial communications are provided as standard.
•Accuracy of 1% FS or 0.02% O2, whichever is greater. (Zero suppressed ranges ±0.2% O2).
•Zero and span stability of 0.25% of span per month.
•The Thermo-Paramagnetic sensor used in the XTP601 Oxygen Analyzer has no moving parts. This makes it less sensitive to vibration and movement and highly resistant to drift over a long period of time, compared to other sensing technologies.
•Innovative sensor design which minimizes zero drift and offers increased protection against contamination.
•The robust and weather-proof enclosure (IP66 rated) allows the XTP601 to be installed on-site, at the point of measurement. It is also available with an explosion-proof casing and certified to II 2 GD Ex d IIB+H2 T6
Gb, Ex tb IIIC T85°C Db IP66 T amb -40°C to +55°C. (Dependant on O-Ring selection, see Section 1.3.)
•All of the analyzer functions can be accessed via the touch screen (capacitive) buttons (on display model), or via the Application Software.
•Low cost of ownership due to minimal maintenance. When required, the casing unscrews to allow for easy access to the sensor, enabling maintenance to be carried out quickly and easily.
•The XTP601 is certified to ATEX, IECEX, cCSAus, INMETRO & TC TR Ex for use in hazardous areas.
•2 x single pole change-over relay alarms for oxygen concentration, supplied as standard. Can be configured as OFF, LOW or HIGH on the analyzer (GP1 or EX1) version or LOW or HIGH on the transmitter (GP3 or EX3) version.
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XTP601 User’s Manual |
INTRODUCTION |
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1.2Applications
The XTP601 has a robust sensor with high sensitivity and stability. It can be factorycalibrated in varying backgrounds to match the customer’s process gas. The analyzer has a built-in local user interface with a display. The capacitive buttons work through the glass face, without needing to remove the lid.
Together with the purpose designed sampling system, the XTP601 is able to work under various process and environmental conditions. Examples of applications include:
•Monitoring inert blanketing gases
•Oxygen measurement at inlet of compressors in steel or gas industries for safety
•Biogas, waste, landfill and digester plants
•Inert gas for pharmaceutical industry and painting gas
•Catalyst regeneration
1.3O-Ring Selection
The XTP601 is available with 3 types of O-rings to offer greater flexibility with material compatibility. The Viton O-ring is fitted as standard. The EKRAZ O-ring is available for solvent resistance. For extremely low temperatures there is a closed cell Silicone O-ring.
To comply with Hazardous Area certification, the material used in the EX1 & EX3 versions is dependent on the lowest ambient temperature of the area the units are to be installed in:
Ambient operating range: |
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-40°C to +55°C (-40°F to +131°F) |
(for Silicone version) |
-15°C to +55°C (5°F to +131°F) |
(for Viton version) - Standard |
-10°C to +55°C (14°F to +131°F) |
(for Ekraz version) |
NOTE: Silicone O-ring is not suitable for oxygen enriched samples, i.e. 02 > 21%.
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OPERATION |
XTP601 User’s Manual |
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2 OPERATION
The XTC601 is not certified for use with ambient oxygen levels that are enriched (i.e. over 21% O2)
This analyzer has been manufactured within our quality procedures and is configured according to the purchase order. When it is installed and used as per the manufacturer’s guidelines, it will operate within the stated specification.
Before starting operation it is recommended that the user becomes familiar with this manual in which all the equipment controls, indicators, the elements of the display and the overall menu structure are described.
2.1Preparation
Before applying power and beginning the flow of gas, please ensure that the system has been properly installed following the instructions in Section 4.
Check that the wiring has been completed correctly.
Zero and Span gas cylinders with correct regulation and flow control should be in place before installing and powering up the analyzer. Commissioning should include a check with both gases and, if necessary, a field calibration performed.
All analyzers will be calibrated with an inlet pressure of 1 barg (14 psig) with an atmospheric vent and flow rate of 300 ml/min (0.63 scfh). The calibration gas applied to the analyzer should be at the same pressure and flow rate as the process gas being sampled.
Sample Inlet Pressure:
• 0 to 4 barg (0 to 58 psig)
Sample Flow Rate:
GP1 & GP3 models: 100 to 500 ml/min (0.2 to 1.06 scfh)
EX1, EX3 & GP2 Models: 270 - 330ml/min (0.54 to 0.66 scfh)
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XTP601 User’s Manual |
OPERATION |
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2.2Powering up the Analyzer
After all the preparation work is done and the installation and wiring have been checked, turn on the analyzer and
wait for at least 30 minutes (or until Cell T Not Stable message disappears). This will allow the analyzer to reach its operating temperature of +50°C (or +60°C if higher temperature cell is chosen) and protect it from any condensation forming in the sensor.
There is no power switch on the XTP601 Oxygen Analyzer. It is turned on automatically once a 24 V DC power source is applied. After the analyzer is powered up, the display will be illuminated. The analyzer takes up to 5 seconds to initialize, and during this period will display the product type and firmware version number.
XTP601
Ver. *.**
Figure 2 Initializing Screen
Cell Temperature |
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Back. Gas: N2 |
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Indication |
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Oxygen |
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5.23 % 02 |
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Concentration |
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Status Bar |
jCell T Not Stable |
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Cell Heating
Symbol
Figure 3 |
Main Page |
Once initialized, the analyzer will show the Main Page which displays the O2 concentration.
During warm-up (less than 25 minutes) a heating symbol will flash in the top right hand corner of the page. This symbol will remain until the temperature has stabilized for a minimum of 5 minutes. The analyzer will be ready for use within 30 minutes from power-up.
Michell Instruments |
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OPERATION |
XTP601 User’s Manual |
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2.3User Interface
2.3.1Interface Controls
XTP601-EX1
Oxygen Analyzer
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ESC |
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ENTER |
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ESC |
Up/Down |
ENTER |
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Button |
Arrow |
Button |
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Buttons |
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Figure 4 |
User Interface |
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Backlit LCD
Blue LEDs
The diagram above illustrates the user interface, which consists of a backlit Liquid Crystal Display and 4 touch-sensitive pads that facilitate user interaction through the glass of the enclosure.
All versions have Application Software to monitor or adjust parameters. Application software will require a PC or laptop with comm port connection. If using RS232 serial port ensure that an isolated RS232 to RS485 converter is used.
Figure 5 XTP600 Series Application Software
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XTP601 User’s Manual |
OPERATION |
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2.3.2‘ESC’ Button
ESC
Figure 6 |
ESC Button |
The ESC button is used to exit the current menu and to return to the previous menu. From the Main Page, pressing ESC will access the Info Page.
2.3.3‘Up/Down Arrow’ Buttons
Figure 7 Up/Down Arrow Buttons
The Up () and Down () buttons are used to change pages, scroll through lists and adjust values. In the Reset and Field Calibration Menus, pressing the Up () button 3 times will confirm a selection.
2.3.4‘ENTER’ Button
ENTER
Figure 8 |
ENTER Button |
The ENTER button is used to select or de-select the highlighted item in a menu and to confirm a value. From the Main Page, pressing ENTER will access the Passcode Page.
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XTP601 User’s Manual |
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2.4Menu Structure
The EX1 and GP1 versions of the XTP601 have front pages that do not require a passcode but allow the user to scroll through and view oxygen concentration, recent trend, internal parameters, minimum & maximum oxygen concentration and alarm history.
In order to change any settings on the User Menu pages, the user must enter a passcode. There is also a separate passcode for service engineers to allow factory setting changes.
To access the User Menu press the ENTER button from the Main Page to call up a passcode prompt. Use the Up () and Down () buttons and press ENTER after each value.
The User Passcode is: 1919
From the Main Page the user can press the ESC button to view the Info Page. This page shows the firmware version, hours used, last calibration date, calibration pressure and the received Modbus code.
The user will be able to set up and access all functions of the transmitter versions via the Application Software supplied. The passcode is the same as the EX1 and GP1 versions (1919). The Application Software will be supplied on a CD with the unit.
The passcode is stored for one minute to allow access back into the User Menu, if necessary.
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XTP601 User’s Manual |
OPERATION |
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2.4.1Menu Map
ENTER
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SETTINGS |
EXT COMP. |
HMI |
EXT SENS. |
RESET |
CLOCK |
OUTPUTS |
FIELD CAL |
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USER MENU |
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FIELD CAL |
ON/OFF |
PRESS COMP |
ON/OFF |
EXT COMP |
ON/OFF |
HSR |
ON/OFF |
LIMIT 0-100% |
ON/OFF |
MODBUS ID |
1-127 |
SETTINGS |
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CONTRAST |
O-100% |
BRIGHTNESS |
O-100% |
TEMPR UNIT |
C/F/K |
EXT PRESS UNIT |
psia, bara, kpa |
CHART INTVAL |
2-60s |
DATE |
US/Non US |
HMI |
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O2 MIN/MAX |
RESET? |
ALARM LOGS |
DELETE? |
FIELD CAL |
DELETE? |
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RESET |
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AL1 SETP |
0.00-100.00% |
AL2 SETP |
0.00-100.00% |
CH2 OUT ZERO |
0.00-100.00% |
CH2 OUT SPAN |
0.00-100.00% |
AL1 CONFIG |
OFF/LOW/HIGH |
AL2 CONFIG |
OFF/LOW/HIGH |
OUTPUTS |
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COMP 20% |
0.50-2.00 |
COMP 40% |
0.50-2.00 |
COMP 60% |
0.50-2.00 |
COMP 80% |
0.50-2.00 |
COMP 100% |
0.50-2.00 |
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EXT COMP |
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EXT.SENS PV |
tempr |
EXT.SENS MIN |
-50.0 |
EXT.SENS MAX |
100.0 |
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UNIT |
ºC |
EXT SENS |
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HOURS |
00-23 |
MINS |
00-59 |
DAY |
1-31 |
MONTH |
1-12 |
YEAR |
00-99 |
LIVE CLOCK |
**:**:** |
RTC |
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CAL TYPE |
1/2 POINT |
REF GAS 1 |
0.00-100.00 |
ACTUAL 1 |
0.00-100.00 |
REF GAS 2 |
0.00-100.00 |
ACTUAL 2 |
0.00-100.00 |
Adjusted ~ |
**.** |
FIELD CAL
USER SETUP PAGES
XTP601
Ver: *.**
INT. SCREEN
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5.23 % 02 |
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CELL T, °C |
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50.0 |
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PCB Temp, °C |
28 |
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COMP I/P |
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OFF |
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EXT I/P |
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OFF |
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Passcode |
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or |
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MINIMUM |
0.00 |
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%02 |
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D12/01 |
T 19:29:44 |
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MAXIMUM |
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D12/01 |
T 19:29:44 |
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ALARM |
DATE |
TIME |
P1 |
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ALARM |
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P1 |
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LOW |
02/01 |
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12:50:40 |
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LOW |
02/01 |
12:50:40 |
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HIGH |
02/01 |
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HIGH |
02/01 |
11:10:32 |
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LOW |
02/01 |
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LOW |
02/01 |
11:00:29 |
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HIGH |
02/01 |
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HIGH |
02/01 |
10:20:00 |
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FRONT PAGES |
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j |
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ENTER |
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Enter PassCode
0 0 0 0
PASSCODE PAGE
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Firmware Ver |
1.0 |
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Hours Used |
125 |
h |
Last Cal Date |
04:08:11 |
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Cal Press. mB |
1000.0 |
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ModBus Rx Code |
--- |
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USER MENU
ESC
Figure 9 |
Menu Map |
2.5Front Pages (No passcode Required)
The EX1 and GP1 versions of the XTP601 have 5 front pages that the user can display without t he need for a passcode. NOTE: These are for display of information only and there is no way of adjusting any settings on these pages.
From the Main Page (O2 concentration) the rest of the front pages can be accessed using the Down () button. To return to the Main Page, either press the Up () button the required amount of times or press the ESC button.
Michell Instruments |
9 |
OPERATION |
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XTP601 User’s Manual |
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2.5.1 Main Page |
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Back. Gas: N2 |
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20.91 |
% 02 |
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Cell T Not Stable |
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Figure 10 |
Main Page |
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Parameter |
Description |
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Background Gas |
Displays the background gas that the unit was calibrated in |
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% O2 |
Real oxygen reading in % |
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Display resolution = 0.01 |
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(if HSR=OFF) |
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(Display resolution 0.1% when min value is >=20%) |
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% O2p |
HSR oxygen reading (extrapolated quick response value of real |
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oxygen reading) |
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(if HSR = ON) |
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Real oxygen value is displayed in status bar |
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Flashing “Heating” |
This flashes until cell temperature is stable at set point ±0.5°C for |
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Symbol |
minimum of 5 minutes |
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Status Bar |
Flashes any system warnings and error messages (see below) |
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Status Message Table |
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Message |
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Light Guide |
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(Trigger Condition) |
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(if fitted) |
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% O2 out of range |
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N/A |
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(beyond calibration range, e.g. 0-25%) |
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AL1 ON |
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ORANGE1 ON (app s/w only) |
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AL2 ON |
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ORANGE2 ON (app s/w only) |
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Comp i/p signal error |
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RED FLASH |
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(input < 3.6 mA or > 21 mA) |
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(priority2) |
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Ext sens signal error |
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RED FLASH |
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(input < 3.6 mA or > 21 mA) |
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(priority2) |
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Cell T not stable |
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RED ON |
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(not within ±0.5ºC of set point for continuous period |
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(priority1) |
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of 5 minutes) |
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Cell T sensor error |
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RED ON |
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(cell temp measures <-50 or >+80ºC) |
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(priority1) |
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Press sensor error |
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RED ON |
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(pressure sensor < 850 or >1100 mbar) |
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(priority1) |
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O2 sensor error |
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RED ON |
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(Vcomp <1 or >8191) |
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(priority1) |
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PCB temp too high |
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RED ON |
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(PCB temp > cell temp set point) |
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(priority1) |
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10 |
97313 Issue 5, May 2018 |
XTP601 User’s Manual |
OPERATION |
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2.5.2Chart Page
25
%
0
t-4 |
t |
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Figure 11 |
Chart Page |
NOTE: This data is not available via the Modbus
•This indicative chart is continuously running at the set chart interval (2 to 60 seconds).
•Chart duration in seconds = (chart interval * 60).
•It is auto ranging with an auto range resolution of 1% O2.
•It is reset if the chart interval is changed, the Display is changed between % O2 and % O2 HSR or the instrument power is cycled.
•The chart will record either % O2 (Non HSR) or % O2 HSR if this is set to ON in the setup pages.
•Chart buffer size is 60 values and therefore the chart duration changes according to interval chosen.
•Chart data is only stored in volatile memory and therefore is not saved. Chart interval is saved and available in a Modbus register.
•Chart data is not available via serial comms as the Application Software is able to perform more sophisticated charting functions.
Michell Instruments |
11 |
OPERATION |
XTP601 User’s Manual |
||
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2.5.3 Secondary Parameters Page |
|
|
|
|
|
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|
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CELL T, °C |
50.0 |
|
|
PCB TEMP, C |
28 |
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COMP I/P |
OFF |
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EXT I/P |
OFF |
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Figure 12 Secondary Parameters Page
Parameter |
Description |
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CELL T |
Sensor cell temperature display in set unit (°C, °F or Kelvin) |
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Display Resolution = 0.1 |
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Temperature display of Microcontroller in selected temperature unit |
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PCB TEMP |
This gives an indication of the internal GUB temperature |
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Display Resolution = 1 unit |
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Accuracy = ±2ºC |
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The value of compensation input (mA i/p channel 1) as a % |
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COMP I/P |
(4 mA=0% and 20 mA=100%) |
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OFF displayed instead of value if external compensation is turned off |
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Value of the external input in the selected parameter and unit |
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EXT I/P |
(DEWP, TEMPR, PRESS or NONE) |
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OFF displayed instead of value if external compensation parameter is set |
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to NONE |
2.5.4O2 Min/Max Page
MINIMUM |
0.00 |
%02 |
D12/01 |
T |
19:29:44 |
MAXIMUM |
0.00 |
%02 |
D12/01 |
T |
19:29:44 |
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Figure 13 O2 Min/Max Page
This indicates the minimum and maximum O2 values measured, along with date/ time of occurrence. The value is reset manually via the Reset Page in the User Menu.
NOTE: This data is not saved in NV memory and is not available via serial communications or in the blind unit.
12 |
97313 Issue 5, May 2018 |
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