Instrument User Manual V1.1R
TITAN
875 Benzene Monitor Manual Ion Science Ltd.
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875 Benzene Monitor MANUAL
Ion Science Ltd.
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Thank you for purchasing your Ion Science instrument.
Register your instrument online for extended warranty
The standard warranty of your TITAN 875 Benzene Monitor can be extended up to two years.
To receive your extended warranty, you must register your instrument online within one month of purchase
(terms and conditions apply).
Visit ionscience.com/instrument-registration
875 Benzene Monitor Manual Ion Science Ltd.
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Content
Statements ................................................................................................................................... 7
Validity of this Manual ................................................................................................................... 7
Responsibility for Correct Use ....................................................................................................... 7
Quality Assurance ......................................................................................................................... 7
Disposal ......................................................................................................................................... 7
Legal Notice ................................................................................................................................... 7
Warranty ........................................................................................................................................ 7
Service ........................................................................................................................................... 8
Contact details ............................................................................................................................... 8
Introduction to TITAN ................................................................................................................. 9
Technical specification .................................................................................................................. 9
Environmental conditions ............................................................................................................ 10
Un-Packing ................................................................................................................................. 11
Titan Benzene Monitor and Accessories Kit ............................................................................... 11
Titan Detector Module and Accessories Kit ................................................................................ 12
System Description ................................................................................................................... 13
The Gas Detector ........................................................................................................................ 13
Pneumatic Connections .............................................................................................................. 13
Pneumatics .................................................................................................................................. 13
Running Flow............................................................................................................................... 14
Sampling Flow ............................................................................................................................. 15
Heaters ........................................................................................................................................ 16
Outputs and Communications ..................................................................................................... 17
RS485 Modbus Interface ........................................................................................................... 18
Function Codes ........................................................................................................................... 18
Bytes and Words ......................................................................................................................... 18
Input Registers Address Map ...................................................................................................... 18
Holding Registers Address Map .................................................................................................. 20
File Transfer ................................................................................................................................ 21
To read a directory ...................................................................................................................... 21
To read a file ................................................................................................................................ 22
To write a file ............................................................................................................................... 22
To delete a file ............................................................................................................................. 22
Data Files .................................................................................................................................... 23
System Files ................................................................................................................................ 23
Installation Requirements ........................................................................................................ 24
Location Requirements ............................................................................................................... 24
Power Requirements ................................................................................................................... 24
Cable and Gland Requirements .................................................................................................. 24
RS485 Connections .................................................................................................................... 24
Electromagnetic Compatibility (EMC) Requirements .................................................................. 25
Installation .................................................................................................................................. 26
Preparation for Installation .......................................................................................................... 26
Dimensions for Installation .......................................................................................................... 26
To Install the Housing Module ..................................................................................................... 26
After-Installation Test .................................................................................................................. 27
Electrical Connections ................................................................................................................. 28
Removal and Installation of the Detection Module ................................................................ 31
To Remove the Detection Module ............................................................................................... 31
To Install the Detection Module ................................................................................................... 33
Operating the Titan ................................................................................................................... 36
Switches and Display .................................................................................................................. 36
Power on ..................................................................................................................................... 36
Main screens and main menu ..................................................................................................... 36
Menu Icons .................................................................................................................................. 37
Navigation .................................................................................................................................... 37
Calibration ................................................................................................................................... 37
Benzene Calibration .................................................................................................................... 38
Flow Calibration ........................................................................................................................... 38
Removal of the Memory Card ..................................................................................................... 39
Password Lock ............................................................................................................................ 39
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Ion Science Ltd.
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Lock the Calibration ..................................................................................................................... 40
Lock the STEL and LIVE Displays .............................................................................................. 41
Alarms and Relays ...................................................................................................................... 41
Alarm or Relay Selection ............................................................................................................. 42
Alarm Configuration ..................................................................................................................... 42
Relay Configuration ..................................................................................................................... 42
Relays and 4-20mA Test ............................................................................................................. 42
Information Pages ....................................................................................................................... 43
Fault Indications .......................................................................................................................... 44
Alarm Indications ......................................................................................................................... 44
Service Period Reminder ............................................................................................................ 45
TitanPC Software ....................................................................................................................... 46
Minimum requirements ................................................................................................................ 46
Installation ................................................................................................................................... 46
Connect the Titan to the PC ........................................................................................................ 46
Starting the Software ................................................................................................................... 47
Data Connection .......................................................................................................................... 48
Settings ........................................................................................................................................ 49
Data Download ............................................................................................................................ 50
Data View .................................................................................................................................... 51
Upgrade ....................................................................................................................................... 53
Flow Calibration ........................................................................................................................... 54
Benzene Calibration .................................................................................................................... 55
Recorded Faults .......................................................................................................................... 55
Alarm Set ..................................................................................................................................... 57
Virtual Screen .............................................................................................................................. 58
Bump Test .................................................................................................................................. 59
Use of the Test ............................................................................................................................ 59
Test Procedure ............................................................................................................................ 59
Fault Diagnostics ...................................................................................................................... 60
Fault and Alarm indications ......................................................................................................... 60
Fault Conditions........................................................................................................................... 60
TitanPC Fault Groups .................................................................................................................. 62
Parts List .................................................................................................................................... 63
Manual Log ................................................................................................................................. 65
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Declaration of conformity
Manufacturer:
Ion Science Ltd, The Hive, Butts Lane, Fowlmere, Cambridge, UK. SG8 7SL
Product:
875 Benzene Monitor
Product
description:
A fixed monitor comprising of a GC column and photo-ionisation detector, for detecting and
measuring ambient concentration of Benzene with internal data logging and 4-20mA or RS485
output
EU Directives
2014/34/EU ATEX
2014/30/EU Electrical Equipment – Electromagnetic Compatibility (EMC)
Identification
II 2 G Ex d IIB+H2 T4 Gb
Tamb. = -20°C to +55°C
Certificate
Number:
IECEx BAS13.0096X
Notified body:
SGS Baseefa Ltd, 1180, Buxton, UK
Report number:
CZ/FTZÚ/ExTR 14.0030 (IECEx) 14/0172X (ATEX)
Standards:
BS EN 60079-0:
2012
Electrical apparatus for explosive gas atmospheres. General requirements
BS EN 600791:2007
Explosive Atmospheres - Equipment Protection by flame-proof enclosure 'd'
EN ISO1
6852:2010
Flame arresters. Performance requirements, test methods and limits for use. (Replaces DIN EN
12874:2001)
EN1127-1:2007
Explosive atmospheres. Explosion prevention and protection. Basic concepts and methodology.
EN 61000-62:2005
Electromagnetic compatibility (EMC) generic standard for immunity for industrial environments.
BS EN 610101:2010
Safety requirements for electrical equipment for measurement, control and laboratory use. General
requirements.
EN 61000-6-4
:2007 & A1:2011
Electromagnetic compatibility (EMC) generic standard emission standard for industrial
environments.
BS
EN50270:2015
Electromagnetic compatibility - Electrical apparatus for the detection and measurement of
combustible gases, toxic gases or oxygen. Immunity Type 2 - industrial environments.
BS EN 613261:2013
Electrical equipment for measurement, control and laboratory use - EMC requirement - Part 1:
General requirements.
Group 1, Class A equipment - (emissions section only).
Industrial Environment - (immunity section only)
DNV 2.4 : 2006
BS EN ISO
9001: 2008
BS EN 8007934: 2011
Environmental test specification for instrumentation and automation equipment. April 2006
Location Classes A and B: EMC requirements only (as verified by a technically competent test
house).
Conducted Low Frequency Immunity Test is pending.
Other standards
Quality Management System - Requirements
Application of Quality Systems for equipment manufacture
Note: All measurements were performed with a configuration that assumes all screens are maintained and correctly
bonded to a screened housing at each end. The only exception to this was the conducted emission tests which
were performed on the inner DC cables. Performing the test directly on these lines gives a good indication that
addition filtering would not be required on any AC/DC power supply in order to limit the conducted emissions
contaminating the ship supply.
On behalf of Ion Science Ltd, I declare that, on the date this product accompanied by this declaration is
placed on the market, the product conforms to all technical and regulatory requirements of the above listed
directives.
Name:
Mark Stockdale
Position:
Technical Director
Signature:
Date:
05/05/2016
875 Benzene Monitor MANUAL
Ion Science Ltd.
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Statements
Validity of this Manual
This user manual gives information and procedures for the firmware and software versions shown on the front
page of this manual.
If you have different versions of firmware or software, please obtain the correct user manual.
Responsibility for Correct Use
Ion Science Ltd accepts no responsibility for incorrect adjustments that cause harm or damage to persons or
property. The users are responsible to respond appropriately to the readings and alarms given by Titan.
Use the equipment in accordance with this manual, and in compliance with local safety standards. Use of
external circuit breakers and/or fuse protection is recommended for safe operation in the case of rare
malfunction.
Reduced performance of gas detection might not be obvious, so equipment must be inspected and maintained
regularly. Ion Science recommends:
you use a schedule of regular checks to ensure it performs within calibration limits, and
you keep a record of calibration check data.
Warnings
1. Substitution of components can result in unsafe conditions.
2. For safety, Titan must only be operated and maintained by qualified personnel.
3. Read and understand this Manual fully before you install, operate or maintain Titan.
4. ! DO NOT OPEN WHILE ENERGIZED !
5. ! DO NOT OPEN WHILE A HAZAEDOUS ATMOSPHERE MAY BE PRESENT !
Quality Assurance
Titan is manufactured in compliance with ISO9001:2008. That ensures that the equipment is:
designed and assembled reproducibly, from traceable components,
calibrated to the stated standards before it leaves our factory.
Disposal
Dispose of Titan and its components in accordance with all local and national safety and environmental
requirements. This includes the European WEEE (Waste Electrical and Electronic Equipment) directive. Ion
Science Ltd offers a take-back service. Please contact us for more information.
Legal Notice
Whilst every attempt is made to ensure the accuracy of the information contained in this manual, Ion Science
accepts no liability for errors or omissions, or any consequences deriving from the use of information contained
herein. It is provided "as is" and without any representation, term, condition or warranty of any kind, either
expressed or implied. To the extent permitted by law, Ion Science shall not be liable to any person or entity for
any loss or damage which may arise from the use of this manual. We reserve the right at any time and without
any notice to remove, amend or vary any of the content which appears herein.
Warranty
You can extend the Standard Warranty up to 2 years when you register your Titan instrument via our website:
ionscience.com/instrument-registration
To receive your Extended Warranty, you must register within one month of purchase (Terms and Conditions
apply). You will then receive a confirmation email that your Extended Warranty Period has been activated and
processed.
Full details, along with a copy of our Warranty Statement can be found by visiting: http://
ionscience.com/customer-support/instrument-registration
875 Benzene Monitor Manual Ion Science Ltd.
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Service
Ion Science recommends two levels of service for the Titan.
The six-month service includes: replacement of the AirSep filter, the internal (carbon) filter, the external
(hydrophobic) filter; and calibration.
The twelve-month service includes: replacement of all items listed in the six-month service, replacement of the
PID lamp and electrode stack; and calibration.
Contact Ion Science or your local distributor for service options in your area.
Contact details
UK Head Office
Ion Science Ltd
The Hive, Butts Lane,
Fowlmere
Cambridge
SG8 7SL
United Kingdom
Tel: +44 (0)1763 207206
Fax: +44 (0) 1763 208814
Email: info@ionscience.com
Web: ionscience.com
USA Office
Ion Science LLC
4153 Bluebonnet Drive
Stafford
TX 77477
USA
Tel: +1 (877) 864 7710
Email: info@ionscienceusa.com
Web: ionscienceusa.com
German Office
Ion Science
Messtechnik GMBH
Laubach 30
Metmann-Neandertal
40822
GERMANY
Tel: +49 2104 14480
Fax: +49 2104 144825
Email: info@ism-d.de
Web: ism-d.de
Italian Office
Ion Science Italia
Via Emilia 51/c
40011 Anzola Emilia
Bologna
ITALY
Tel: +39 051 0561850
Fax: +39 051 0561851
Email:
info@ionscience.it
Web: ionscience.it
875 Benzene Monitor MANUAL
Ion Science Ltd.
Page 9 of 65
Introduction to TITAN
The TITAN 875 Benzene Monitor is a fixed benzene monitor certified for Zone 1 hazardous areas. It detects 020ppm concentrations in ambient air, taking one sample per minute.
It monitors both the current benzene concentration and the STEL (Short-Term Exposure Limit, calculated over
the previous 15 minutes).
Real-time display of the measurement is on the LCD and transmitted on a 4-20mA channel. Historic data stored
in Titan can be viewed and stored externally either over the RS485 or the USB connection.
Alarms and warnings are transmitted by the 4-20mA channel and by two relays programmable to be Normally
Open or Normally Closed.
It is powered by a single power supply in the range of range of 19VDC @ 4A to 32VDC @ 2.4A.
The Titan has two modules:
The Housing Module that is
installed permanently.
The Detection Module that can
be removed for servicing and
calibration.
All the operational and calibration
data is stored within the Detection
Module. After the Detection Module
has been calibrated, it will function
correctly when installed in any
Housing Module.
A Detection Module can be
calibrated and tested off-site, then
taken to the installation site and
installed in place of an existing
module. The removed module can
then be serviced ready for installation
later or in another Housing Module.
Technical specification
Measurement Frequency
Every 1 minute
Response time:
T90 < 1 minute
Detectable Range:
0-20ppm Benzene
Resolution:
+/- 0.1ppm
Accuracy:
+/- 0.05ppm or +/-10%, whichever is greater
Data log:
To internal memory (Up to 2 Years)
Outputs:
4-20mA, RS485, USB, Two programmable
relays (24VDC @1.5A maximum load)
Alarms/Alerts Visual:
Red, Yellow, Green, LEDs
Flow Rate:
≥ 160 ml/min in Ambient conditions
Temperature:
Operating: -20 to 55degC (-4 to 130degF)
Power Requirement
Nominal 24VDC at 3.2A
Weight:
15kg
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Environmental conditions
Location:
Outdoor use
Wet conditions
Pollution degree 4
Altitude:
Maximum 3000m
Relative humidity:
0 – 100RH%
Ingress protection:
IP65
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Ion Science Ltd.
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Un-Packing
All equipment shipped by Ion Science Ltd is packed in containers with shock absorbing filling to protect them
against physical damage.
Remove the contents carefully and check them against the packing list. Report discrepancies between the
contents and the packing list to Ion Science Ltd. Ion Science will not be responsible for discrepancies not
reported within ten days of your receipt of the shipment.
Every Titan (new units and those returned from a Service Centre) must have a Certificate of Calibration before
you install it.
Titan Benzene Monitor and Accessories Kit
Part number
Description
Qty.
TNXSXBXX-X
Titan 875 Benzene Monitor and Accessories Kit
Comprising:
Kit
A-875281
Housing Module
1
A-875245
Detector Module
1
875413
Front Cover Removal Tool
2
875400
Transit Strap
1
2/SH10-16
Transit Strap Screws (M10x16)
2
A-875265
Switch Actuation Magnet
1
A-875417
External (Hydrophobic) Filter
1
4/PB-05
Gland Port Plug (for transportation)
2
4/TA-06
Allen Key 2mm
1
4/TA-08
Allen Key 3mm
1
875431
Mounting Template
1
875263
Titan User Manual
1 – Certificate of Calibration
1
875 Benzene Monitor Manual Ion Science Ltd.
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Titan Detector Module and Accessories Kit
Part number
Description
Qty.
TSMXSXXXX-X
Titan Detector Module and Accessories Kit
Comprising:
Kit
A-875245
Titan Detector Module
1
875405
Transit and Storage Case
1
875413
Front Cover Removal Tool
2
4/TA-06
Allen Key 2mm
1
4/TA-08
Allen Key 3mm
1 – Certificate of Calibration
1
Titan Label Information: Ensure Warning Label is attached to Titan
! DO NOT OPEN WHILE ENERGIZED !
! DO NOT OPEN WHILE A HAZARDOUS ATMOSPHERE MAY BE PRESENT !
Refer to instruction manual/booklet
Separate collection for WEEE-Waste of electrical and electronic equipment
IP65 Dust-tight and protected against water jets
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Ion Science Ltd.
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System Description
The Gas Detector
The Titan samples the ambient air once every 60 seconds and passes the sample through a Photo-Ionisation
Detector (PID).
The PID works by illuminating sample gases with high energy ultra-violet (UV) light. Benzene is one of the
volatile organic compounds (VOCs) ionised by the UV photons. In a high voltage electric field, these ions create
a current that can be amplified and measured to quantify the concentration of gases present. To make the
measurements specific to benzene, it must be separated out from the other gasses before the PID
measurement.
The sample passes through the AirSep filter which retards some gas components more than others. Under
controlled conditions the filtration ensures the benzene will pass through the filter at a known and well defined
time as a separated component. The benzene level is measured by analysis of the signal profile of the PID as
the gasses from the AirSep filter pass through it.
For optimum performance it is important that the filter temperature and sample flow are tightly controlled. To
achieve temperature stability, the AirSep filter is controlled to 50degC and the internal air temperature of the
Titan is controlled to a maximum of 50degC by separate heating systems
There is no forced cooling mechanism so if the ambient temperature exceeds 50degC the measurement of
benzene will be lower than the actual concentration.
Make sure to install the Titan where the ambient temperature does not rise above 50degC.
Pneumatic Connections
The Titan has three flame-arrestor connectors: one inlet and one outlet for the sampled air, and one breather.
The breather keeps pressure equilibrium between inside and outside of the housing.
The inlet flame-arrestor can have a probe tube, up to 10m long, with hydroscopic filter, to detect benzene in
areas remote from the Titan.
The outlet flame-arrestor can have an exhaust tube attached, to remove the processed air away from the inlet.
Internally, there is also an inlet through the carbon filter and an outlet into the interior space.
Pneumatics
In running flow:
Pump P2 runs for 40 seconds out of every one minute cycle. The pump is stopped for twenty seconds to
allow accurate sampling by Valve V1. When the Valve V1 is in its normal "running" position, the air
bypasses the Photo-Ionization Detector (PID).
Pump P1 keeps a constant flow of clean air from the internal (carbon) filter through the PID. Pump P1
outlet is inside the housing. Thus the clean air recycles through the internal (carbon) filter.
In sampling flow:
At 60 second intervals, Valve V1 moves to its "sampling" position for 0.5 seconds.
Pump P1 then draws a sample of air from the Pump P2 flow. Through the AirSep filter and the PID.
Analysis of the PID signal profile gives the benzene concentration.
Pump P1 flow is approximately 8mL per min.
Pump P2 flow is approximately 200mL per min.
The pressure sensors monitor the correct functioning of the pneumatic systems.
Inlet
Outlet
Breather
Pneumatic
Connection 1 and 2
Pneumatic
Connection 4
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The external (hydrophobic) filter removes particles and moisture from the inlet Flow. Every three hours by the
clock (00:00, 03:00, 06:00…) the Titan will stop to measure the ambient pressure conditions to correctly adjust
for flow control. Important note: bump testing is inadvisable at these times as external pressure sources will
affect the pressure calibration process
Running Flow
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Ion Science Ltd.
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Sampling Flow
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Heaters
The Titan has two heating systems, one regulates the internal temperature, the other regulates the temperature
of the AirSep filter.
Internal temperature regulation is maintained by a set of four resistors in the base of the Housing Module.
AirSep filter temperature regulation is by two, 12V 2.5W, heater-mats within an insulated jacket in the Detection
Module.
Resistor
20 ohm
Resistor
3.3 ohm
2 Heater Mats
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Outputs and Communications
Titan has five communication outputs:
The on-board LCD and LEDs on the faceplate.
4-20mA Current Loop.
RS485 Modbus (simplex/half-duplex or fully-duplex),
USB (Accessible on the Detector Module).
Two programmable relays.
Titan monitors, in real-time, the current (Live) and the Short-Term Exposure Limit (STEL) benzene
concentration. The STEL is calculated over the previous 15 minutes.
This real-time information is displayed on the LCD and transmitted on the 4-20mA and RS485 channels.
You can program two alarms to operate at a chosen concentration of benzene and/or a chosen STEL limit. The
alarms will display a message on the LCD and LEDs; energize the relays: and transmit a signal on the 4-20mA
channel.
The alarms and relays are individually programmable to the settings required by the site policy. You can choose
either alarm to energize either relay. The default settings would be:
Alarm 1: 5.0ppm live
Alarm 2: 0.5ppm STEL
Relay 1: Alarm 1, N/O
Relay 2: Alarm 2, N/O
Both relays can be programed to be Normally Open or Normally Closed. They can switch 24VDC at 1.5A
maximum load. When the Titan is not powered the default state of relay 1 is N/C, the default state of relay 2 is
N/O
Data is stored internally for a minimum of two years and can be downloaded with TitanPC software via USB or
RS485 for analysis and archive storage.
You can configure the RS485 connection for half-duplex, 2-wire, or full-duplex, 4-wire, communication. Refer to
Installation, Terminal Block-2.
The 4-20mA output fault indications are given by discrete current signals between 2.0 and 3.5mA. Refer to the
table in Fault Diagnostics, Fault Conditions.
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RS485 Modbus Interface
The Titan Modbus interface uses Serial ASCII format Modbus, at:
38400 baud 8 data bits, no parity, 2 stop bits.
Function Codes
Titan supports these function codes:
0x03 – Read Holding Registers
0x04 – Read Input Registers
0x10 – Write Multiple Registers
The address map for Read Holding Registers and Write Multiple Registers is the same – but not all addresses
are writeable.
Bytes and Words
Modbus registers are generally 16 bits in length. For example if you send the command to Read Input Registers
with a register quantity of 1 you will receive 2 bytes (1 word) of data. In the tables of addresses, we specify the
length in bytes. This is the number of bytes of data associated with the read/write at that address.
Thus your Modbus request will be for half that number of registers.
Input Registers Address Map
Use the function code 0x04 to Read Input Registers in the address range given in the table. If you read more
than the number of bytes indicated for the length at each address, any bytes beyond the length are undefined.
For example, if you read 32 bytes at address 1000, only the first 16 bytes returned are valid.
Address
(hex)
Data
Length
(bytes)
Content
0
60
Returns block of 15 integers for latest result
Integer
Meaning
1
Benzene value in ppm x 10
2
Sensor temperature in degC x 100
3
Ambient temperature in degC x 10
4
Flow in ml/min x 100
5
PS1 diagnostic
6
PS2 diagnostic
7
PS3 diagnostic
8
Slope diagnostic
9
Flags
10
Sensor fence signal
11
Raw signal
12
STEL value
13
Pump drive signal
14
Pump drive volts
15
Fault record
80
24
Returns block of data indicating the state of the
sensor temperature controller. Six 32-bit integers are
returned. e.g.
00000000 84 13 00 00 22 02 00 00 AD 08 00 00 A0 0F 00 00
„···"······ ···
00000010 01 00 00 00 01 00 00 00 ········
These can be decoded as follows:
84 12 00 00 = 0x00001284 = 4740
The values have the following meaning
Integer
Meaning
1
Temperature in degrees Celsius x 100
2
Ambient temperature in degC x 16
3
Heater drive power in % x 100
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4
Heater driver voltage
5
1 if required temperature has been reached
6
Time in seconds taken to reach target from
switch on
100
24
Returns block of data indicating state of background
temperature controller. Six 32-bit integers are
returned. e.g.
00000000 FC 44 00 00 21 02 00 00 00 00 00 00 01 00 00 00
üD··!···········
00000010 EF 00 00 00 02 00 00 00 ï·······
Integer
Meaning
1
Heater Temperature in degC x 100
2
Ambient temperature in degC x 16
3
Heater drive power in % x 100
4
Heater driver voltage
5
Power supply level x 10
6
Heater level
1000
16
Unique ID of Titan – a string of 16 ASCII characters
unique to each Titan
1100
32
Firmware versions of Titan and Flow Controller. Two
null terminated strings are returned. e.g.
00000000 56 30 2E 31 2E 33 33 00 56 30 2E 31 2E 31 31 00
V0.1.33·V0.1.11·
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
················
1200
36
Returns a block of data indicating the state of the
flow.
This block contains 9 32-bit integers. e.g.
00000000 21 03 00 00 DA 0D 00 00 20 2F 00 00 88 00 00 00
!···Ú··· /··ˆ···
00000010 01 00 00 00 00 00 00 00 ········
These can be decoded as follows:
21 03 00 00 = 0x00000321 = 801
The values have the following meaning:
Integer
Meaning
1
Current flow x 100
2
Flow Differential pressure sensor reading
3
Absolute pressure sensor reading
4
Pump power output
5
1 if pump power OK,
0 if pump power problem
6
1 if outer loop pump running,
0 if outer loop pump not running
7
Pump drive output voltage
8
Absolute pressure when pump not running
9
Valve state
1300
12
Returns information on the internal memory storage.
Three 32-bit integers are returned.
Integer
Meaning
1
Number of free clusters.
2
Total available clusters
3
Reserved clusters.
1400
96
Returns an array of 27 32-bit integers indicating
internal fault state of Titan. If there are no faults all
values are zero.
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1500
20
Returns five 32-bit integers indicating state of the
lamp sensor.
Integer
Meaning
1
Last signal reading in μV
2
1 is lamp is on, 0 if not
3
0 if lamp drive is off,
non-zero if lamp drive is on
4
Lamp sensor signal when lamp off, in μV
5
Last Lamp sensor signal reading in μV
1600
6
Returns three 16-bit values containing diagnostic data
for pressure sensor
Holding Registers Address Map
Read Holding Registers – use function code 0x03.
Write Holding Registers – use function code 0x01 (Write Multiple Registers).
If you read or write more than the number of bytes specified for the length at each address, any bytes beyond
the length are undefined.
Titan can malfunction if you write more data than the specified length.
For example if you read 32 bytes at address 1000, only the first 16 bytes returned are valid.
Address
(hex)
Data
Length
(bytes)
Content
1100
32
ASCII name allocated to the Titan. This may be
written or read. e.g
00000000 53 65 72 76 69 63 65 20 54 69 74 61 6E 00 00 00
Service Titan···
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
················
1200
32
Internal real time clock. This may be written or read.
e.g.
00000000 DF 07 00 00 02 00 00 00 0A 00 00 00 10 00 00 00
ß···············
00000010 11 00 00 00 29 00 00 00 02 00 00 00 00 00 00 00
····)···········
This is decoded as 8 32-bit numbers. The last two
integers are not used when writing.
Integer
Meaning
1
Year
2
Month
3
Day 4 Hour
5
Minute
6
Second
7
Day of week
8
Day of year
1300
Used during code upgrade. For ISL use only. Reading
or Writing to this address may require you to send the
Titan to a Service Center.
1400
Used during upgrade of flow controller. For ISL use
only. Reading or Writing to this address may require
you to send the Titan to a Service Center.
1500
4
Override control of measuring sequence. For ISL use
only.
1600
4
Override control of pump. For ISL use only.
1604
4
Override control of by-pass pump. For ISL use only.
1608
4
Override control of sample valve. For ISL use only.
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1700
28
Read latest result data.
A block of 7 32-bit integers is returned
Integer
Meaning
1
Benzene value in ppm x 10
2
Results Flags
3
Flag indicating start of measurement cycle
4
Diagnostic Step in measurement cycle
5
Last sensor reading
6
Stel result in ppm x 10
7
Last fault
Writing to any space in this address range will clear
flag indicating start of measurement cycle (integer 3).
1800
Diagnostic, test control of 4-20mA output. For Ion
Science use only.
F000
44
Block of data controlling file transfer to/from internal
store. Write only.
F080
16
Block of data giving information on file transfer to/from
internal store. Read only.
F100
128
Used to read/write data from/to files on internal store.
File Transfer
Titan has an internal file store to hold files containing configuration/setup data and data logs of results. You can
read or write to these using read and write to holding registers at addresses F000, F080, F100.
File transfer is by three structures defined as follows (in C):
COMPILER_ALIGNED(4)
static struct {
unsigned short direction;
unsigned short pack;
union
{
unsigned int offset;
char filename[40];
} d;
} filename_data;
COMPILER_ALIGNED(4)
static struct {
int res;
int state;
int offset;
int length;
union
{
FIL hFile;
DIR hDir;
};
} fileinfo;
static struct {
int attribute;
int length;
char name[40];
} directory_entry;
To read a directory
1. Write to F000 a filename_data block with values:
direction = 5
filename = ASCII zero terminated path to read, ‘/’ indicates root folder.
2. Read from F080 a fileinfo block. Check that res = 0, State = 2 to indicate directory read open OK.
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3. Read from F100 a 128 byte block. This will contain a directory_entry. The length field is the length of the file
name in ‘name’. The attribute is a bitmap combination of:
#define
AM_RDO
0x01
/* Read only */
#define
AM_HID
0x02
/* Hidden */
#define
AM_SYS
0x04
/* System */
#define
AM_VOL
0x08
/* Volume label */
#define
AM_LFN
0x0F
/* LFN entry */
#define
AM_DIR
0x10
/* Directory */
#define
AM_ARC
0x20
/* Archive */
#define
AM_MASK
0x3F
/* Mask of defined bits */
4. Read from F080 a fileinfo block. This contains status information about the last directory entry read. Check
res=0 to indicate success.
5. Repeat steps 3 and 4 until whole directory is read. A return in the fileinfo block with res <> 0 indicates end of
directory.
6. Write to F000 a filename_data block with values:
direction = 6
to close the directory read.
To read a file
1. Write to F000 a filename_data block with values:
direction = 0
filename = ASCII zero terminated path to read, ‘/’ indicates root folder.
2. Read from F080 a fileinfo block. Check that res = 0, State = 1 to indicate file read open OK. File length will
be in the length parameter.
3. Read 128 bytes of data from F100.
4. Read a fiileinfo block from F080. Check res=0 and the offset has incremented by 128.
5. Repeat steps 3 and 4 to read whole file.
6. Write to F000 a filename_data block with values:
direction = 2
to close the file
While reading a file you can rewind by:
1. Write to F000 a filename_data block with values:
direction = 3;
offset = offset required
2. Read a fileinfo block from F080. Check res = 0 and offset is as required.
To write a file
1. Write to F000 a filename_data block with values:
direction = 1
filename = ASCII zero terminated path to read, ‘/’ indicates root folder.
2. Read from F080 a fileinfo block. Check that res = 0, State = 1 to indicate file write open OK.
3. Write up to 128 bytes of data to F100.
4. Read a fileinfo block from F080. Check res=0 and the offset has incremented by 128.
5. Repeat steps 3 and 4 to write whole file.
6. Write to F000 a filename_data block with values:
direction = 2
to close the file.
To delete a file
1. Write to F000 a filename_data block with values:
direction = 4
filename = ASCII zero terminated path to delete.
2. Read from F080 a fileinfo block. Check that res = 0, to indicate file deleted OK.
Only single files may be deleted, the filename should be the full path to the file, e.g. /20150510/123456.txt
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Data Files
Data files are written by Titan every minute.
Data files are appended to a folder whose name is made from the current date, e.g. 20150301 will be the folder
for 1st March 2015.
Within the Date folder there is a folder named RESULTS containing a series of TXT files. The filename is made
up of 8 hex characters which is the time of the file in seconds since 1/1/2010.
The files in the RESULTS folder contain ASCII information of the result, e.g.
Date,17/02/2015
Time,15:54
Benzene,0.0
STEL,2.1
Col Temp, 50.01
Amb Temp, 31.3
Flow,7.47
PS1,988
PS2,3828
PS3,6865
Slope,4000
Flags,1
Fence,22217
DriveDac,105
DriveVolt,63.0
Faults,0
To read logged data from the Titan use the Directory read commands to see what directories of type yyyymmdd
exist. Then read the RESULTS sub-folder to see the data files available.
System Files
Titan stores configuration parameters in *.CFG files in the file store.
Titan can malfunction if you delete or modify these files.
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Installation Requirements
Please make sure you understand all the installation requirements before you install Titan.
Location Requirements
There are many variables involved in defining the optimum location for a gas detector. Mount the Titan:
in a location where it (or its inlet probe) is most likely to detect the gas
in an area that has good air circulation. Restricting natural air current can result in delayed detection
on a solid, stable support, where it is accessible for servicing
vertically, with the flame arresters underneath the housing
not in direct sunlight or over a heat source (This can cause the Titan to exceed its certified internal working
temperature of 50degC)
not in areas likely to flood.
An exhaust line can be attached to the outlet flame-arrestor to remove the processed air away from the Titan.
An inlet line (inlet probe), with hydrophobic filter can be attached to the inlet flame-arrestor to detect benzene in
areas remote from the Titan.
These lines can be
Maximum of 10 meters long.
Recommended cross-section: 6mm OD x 4mm ID PTFE tube.
Power Requirements
Nominal Voltage
24VDC @ 3.2A
Minimum Voltage
19VDC @ 4A
Maximum Voltage
32VDC @ 2.4A
We recommend a power supply unit of 24VDC at 4.5A.
Power consumption depends on the heaters in the temperature control systems. Running in ambient
temperatures below 5degC will use maximum power. Higher temperatures will reduce power consumption.
The 4-20mA output requires its own power supply at 24 (minimum) to 32VDC (maximum). It can share the
instrument's 24 to 32VDC, 4.5A, power supply if:
the 4-20mA output goes to the same location as the instrument power supply and
their Grounds will be connected together.
Refer to Electrical Connections, Terminal Block-1.
Cable and Gland Requirements
We recommend you use screened cables e.g., multicore cable with SWA armour, or Braid Armour to protect
against EMI.
The manufacture and build of the cable glands is the responsibility of the installer. The cable glands must
conform to the certification standards required for the installation site. Install blanking plugs with the appropriate
certification standards to unused cable gland ports.
For general advice on selection of cable glands please visit http:// cmp-products.com/cable-gland-selection-
guidelines.
DC power
2 core (positive and negative) 1.5mm²
4-20mA Comms
2 core 1.5mm² max
RS485 half-duplex
3 cores (including ground) 1.5mm² max
RS485 full-duplex
5 cores (including ground) 1.5mm² max
Relays (2 Outputs)
4 cores 1.5mm² max
Cable Gland
¾" NPT - Intrinsically Safe Certified
Blanking Plug
¾" NPT - Intrinsically Safe Certified
RS485 Connections
You can configure Titan for half-duplex, 2-wire, or full-duplex, 4-wire, communication. You can also configure it
to use a built-in 120R termination resistor.
Pin references are to Terminal Block-2 (Refer to Installation, Terminal Block-2)
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To connect a 120R termination resistor across 'A' and 'B': connect a jumper on L1 between the middle pin and
120R pin. (Refer to Note 1 of Terminal Block-2, Installation).
For Half-Duplex communication, connect jumpers on L2 and L3 between the middle pin and HD pin (Refer to
Note 2 of Terminal Block-2, Installation).
This enables 2-wire communications and a 3rd wire ('0') as a Ground.
'A' is connected to 'Y'
'B' is connected to 'Z'
'0' is Ground
For Full-Duplex communication, connect jumpers on L2 and L3 between the middle pin and D pin (Refer to Note
3 of Terminal Block-2, Installation).
This enables 4-wire communications and a 5th wire ('0') as a Ground.
Electromagnetic Compatibility (EMC) Requirements
Titan can be sensitive to electromagnetic interference in the 1.8 to 2.0GHz range. If it will be exposed to strong
signals in that range please contact Ion Science for a faceplate with increased protection against
electromagnetic interference (EMI).
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Installation
Preparation for Installation
Before you install the Titan, refer to the:
Location Requirements (Location Requirements)
Power Requirements (Power Requirements)
Cable and Gland Requirements (Cable and Gland Requirements)
Dimensions for Installation (See below)
RS485 Interface Requirements (RS485 Connections, RS485 Modbus Interface
)
Dimensions for Installation
To Install the Housing Module
1. Use M10 screws to install the Titan as a complete unit (Housing and Detection Modules together) on a solid,
stable support.
2. After you install the Titan, remove the Detection Module to get access to the terminal blocks. Refer to
Removal and Installation of the Detection Module .
3. Install the cable glands. Feed the cables through the glands and make the connections to the terminal
blocks as you require. Refer to Electrical Connections.
4. Seal the cables in the cable glands.
5. Install the Detection Module.
6. Connect, or switch on, the power supply.
7. Connect a PC/Laptop to the USB port and use TitanPC to set the date and time. Alternatively, use the
RS485 connection and TitanPC to set the date and time.
Without external power, Titan can only store the current date and time for a maximum of 12 hours.
8. Install the front cover.
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After-Installation Test
Do a test of the relay and the 4-20mA systems to check for correct installation and function. Refer to Relays and
4-20mA Test.
Do a "Bump Test" to verify that the sensors respond correctly to the Benzene gas. Refer to Bump test. for an
accurate bump test the Titan needs to heat up and thermally stabilise. This can take up to 90 minutes. Before
this an inaccuracy of up to 15% could be seen.
A bump test does not calibrate the sensors. If Titan does not display the gas concentration given by the bottle,
do a calibration to give the correct readings. Refer to Benzene Calibration (on-board) or Benzene Calibration
(using TitanPC).
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Electrical Connections
Terminal Block-1 (Power)
Pin
Label
Function
1
0V
DC Power input (Negative)
2
0V
DC Power additional input
(Negative) (Connected to
above Pin1 on-board)
(See Note 1)
3
24
DC Power Input (Positive)
+24VDC
4
24
DC Power additional input
(Positive) (Connected to
above Pin3 on-board)
(See Note 1)
5
R1
Relay 1 output (Terminal-1)
6
R1
Relay 1 output (Terminal-2)
7
R2
Relay 2 output (Terminal-1)
8
R2
Relay 2 output (Terminal-2)
9
Is
DC Power Output (Positive)
(Connected to Pin3 & 4 onboard)
(See Note 2)
Notes
1. Pin 2 '0V' and pin 4 '24V' on Terminal Block-1 allow two wires to share the current of the
Power Supply Input.
Pin 1 and Pin 2 are connected together on-board.
Pin 3 and Pin 4 are connected together on-board.
2. The 4-20mA output is NOT powered on-board. It is an isolated output that requires its
own Power Supply at 24VDC (nominal) and 32VDC (maximum).
The 4-20mA output can share the instrument Power Supply if:
the 4-20mA output goes to the same location as the instrument power supply
and
their Grounds will be connected together.
If that is so, connect a jumper from Pin 9 of Terminal Block-1 to Pin-1 of Terminal Block2
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Terminal Block-2 (Communications)
Pin
Label
Function
1
I+
4-20mA transmitter DC Power
Input (Positive)
24VDC (max= 32VDC)
2
I -
4-20mA output return
3
Z
RS485 interface Tx (-ve)
4
Y
RS485 interface Tx (+ve)
5
0
RS485 Ground (0V)
(See Note 4)
6
B
RS485 interface Rx (-ve)
7
A
RS485 interface Rx (+ve)
Notes
1. For RS485 termination resistor, put a jumper link on the L1 header between
the middle pin and the pin labelled 120R.
This puts a 120R termination resistor across 'A' and 'B' of Terminal Block-2
(See RS485 Connections diagram for more details).
To disconnect the resistor remove the jumper completely.
2. For RS485 Half Duplex communication put jumpers on headers L2 & L3
between the middle pin and the pin labelled 'HD'.
3. For RS485 Full Duplex communication put jumpers on headers L2 & L3
between the middle pin and the pin labelled 'D'.
4. The RS485 interface is an isolated interface. The Pin 5 Ground
connection '0' on Terminal Block 2 is electrically isolated from the
instrument's Ground.
5. The 4-20mA output has an inline fuse, see F2 on the above diagram.
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Circuit diagrams for 4-20 mA monitoring
I+
I-
Ammeter
for current
measurement
4-20mA
On-board-Fuse
(375mA / F2)
+24V
0V
Power
Supply
I+
I-
On-board-Fuse
(375mA / F2)
+24V
0V
Current Sense
Resistor
4-20mA
Power
Supply
To
Measurement
Circuitry
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Removal and Installation of the Detection Module
To Remove the Detection Module
Switch off or remove the power to the Titan.
Warning
1. Ensure the electrical power is
switched off or disconnected.
2. Do not open when an
explosive atmosphere might
be present.
Insert the threaded Cover Removal
Tools into the holes in the Titan front
cover.
Turn counter-clockwise to unscrew
the front cover.
Use a 2mm allen-key to remove the
four faceplate screws.
Remove the faceplate.
Press the 'wings' down to release the
ribbon cable at the top of the
Detection Module.
Two captive, hex-socket screws hold
the Detection Module in the Housing
Module, as shown.
Two holes in the front of the
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Detection Module give access to the
screws.
Use a 3mm allen-key to reach the
screws directly behind the holes.
Turn each screw counter-clockwise
until it is completely loose.
Grips
When the captive screws are
completely loose, grip the sides of
the frame of the Detection Module,
as shown, to remove it from the
Housing Module.
Be careful not to cause damage the
PCBs.
Be careful to remove it only far
enough to disconnect the Luer
connectors of the 3 pneumatic tubes.
Ensure the pneumatic tubes are
properly identified for later
connection to the correct connectors.
Disconnect the tubes only from the
Detection Module, not from the
Housing Module. The tubes must
remain connected at all times to the
barbs on the interior face of the
flame-arrestors.
For complete removal of the
Detection Module: a half-turn,
counter-clockwise, of the Luer
connectors will remove the
pneumatic tubes:
two on the left
one on the right.
You can now remove the Detection
Module completely.
Half Turn
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To Install the Detection Module
Check the identification of the
pneumatic tubes and connectors.
Connect the tubes to the connectors:
a half-turn, clockwise, of the Luer
connectors will secure the pneumatic
tubes:
two on the left
one on the right.
Ensure the tubes have no twists or
kinks.
Hold the ribbon cable out of your
way while you insert the Detection
Module.
There are locating pins to ensure
correct positioning of the Detection
Module on the base-plate.
Move the module from side to side
until it locks into place.
Half Turn
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Use the allen-key to engage the
captive screw at each side of the
Detection Module.
If the module is in its correct position,
the screws will engage in the threads
and turn freely.
If they do not engage the threads
easily, check the positon of the
Detection Module.
Move the module from side to side
until it locks into place.
Tighten them hand-tight.
Check the Detection Module is held
firmly.
Attach the ribbon cable.
When you push it into its socket, it
should clip in automatically.
Gently pull the cable to check it is
securely connected.
Use the four screws to attach the
face plate. Tighten them firmly handtight.
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Connect a PC to the USB or RS485
connection and use TitanPC
software to set the date and time.
Refer to Settings.
The date and time is used to "Datestamp" all data files and calibration
history.
Without external power, Titan can
only store the current date and time
for a maximum of 12 hours.
Install the front cover. Turn it clockwise until it is hand-tight.
CAUTION: Be careful to ensure the
front cover engages easily with the
screw thread. If there is resistance,
remove it, examine it, and try again.
Do not use force. Force can cause
damage to the threads.
Ensure the external hydrophobic
filter and any exhaust or inlet probe
lines are connected.
Switch on or connect the power
supply.
Do an after-installation test. Refer to After-Installation Test.
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Operating the Titan
Switches and Display
The Titan front face has:
An LCD display,
two switches, magnetically
operated,
three LEDs.
All three LEDs work together and
display the same colour.
LEDs Green
Titan is operating correctly.
LEDs Yellow
Titan has an operational fault.
An alert signal and the name of the fault is on the screen.
LEDs Red
The measured level of benzene is above the alarm threshold.
Power on
When power is turned on, the Titan
displays the 'Ion Science' logo
followed by the firmware version.
The Titan then starts to heat the
AirSep filter. Normal operation cannot
start until it reaches the target
temperature. This will usually take a
few minutes.
Normal operation starts when it is
stable at the target temperature. The
Titan then displays the ambient
benzene level in parts per million
(ppm). This updates once per minute.
Main screens and main menu
The actuation magnet supplied with the Titan operates the magnetic switches through the front cover.
On the main operation screen:
Select Switch 2 to toggle between the current reading and the calculated STEL (Short-Term Exposure
Limit) over the previous 15 minutes.
Select Switch 1 to go to the main menu.
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Menu Icons
ICON ready
to select or
toggle
Return to
previous
screen
Information
Calibration
Alarm Test
4-20mA
comms system
Alarm
Alarm 1
Alarm 2
Lock
Unlock
Titan Display
Relay
Relay 1
Relay 2
Navigation
The actuation magnet supplied with the Titan operates the magnetic switches through the front cover.
Use Switch 1 to move to the next icon or value (options).
Use Switch 2 to select an option or toggle between values.
The icon or value ready for selection is shown by an underline
Select the arrow to return the previous screens.
Calibration
Select the Calibration icon to go the
calibration menu.
Select the bottle icon to go to the
Benzene calibration screen.
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Benzene Calibration
For accuracy over the full range; Ion recommends a bottle of 5ppm benzene. The software allows you to use
any benzene concentration from 0.1 to 20.0ppm, if your application has different requirements.
Attach the bottle before you start calibration. This ensures the benzene is flowing through the Titan system
before the start of the calibration.
Connect the bottle to the hydrophobic filter on the inlet flame-arrestor of the Titan. Use a demand-flow regulator
that delivers more than 500mL/min. A fixed-flow regulator will not perform correctly and can damage the Titan.
Move the cursor to the ppm value. Use Switch 2 to cycle through the values to the benzene concentration of the
bottle.
Select to start the calibration process.
Titan analyses the gas for a default time of 10 minutes.
You can select the return arrow icon to stop the calibration process at any time.
Once the timer has finished the new calibration will replace the previous calibration in the Detector Module.
Do a Bump Test to check the calibration. Refer to Bump Test.
Flow Calibration
Ion recommends a bottle of between 5 and 10ppm benzene.
Select the flow arrow to go to the
Flow calibration screen.
Attach the bottle before you start
calibration. This ensures the benzene
is flowing through the Titan system
before the start of the calibration.
Connect the bottle to the hydrophobic
filter on the inlet flame-arrestor. Use a
demand-flow regulator that delivers
more than 500mL/min. A fixed-flow
regulator will not perform correctly
and can damage the Titan.
Select to start the calibration
process.
The calibration process lasts between
5 and 10 minutes.
You can select the return arrow icon
to stop the calibration process at any
time.
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Calibration is complete and
successful.
Select to save and return to the
main menu. The new calibration will
replace the previous calibration in the
Detector Module.
Select X to not save and return to
main menu.
Calibration has failed for the reason
shown on the screen.
Select the return arrow to return to
the main menu.
If you can correct the fault, you can
start the calibration again.
Do a Bump Test to check the calibration. Refer to Bump Test.
Removal of the Memory Card
You can remove the memory card from the Titan. You can then connect the card to a PC and use TitanPC
software to download and read the data.
While the Memory card is removed, the Titan cannot log data.
For safe removal of the memory card,
use the magnet to actuate switch 1
for 5 seconds.
The Titan goes into safe mode. The
Memory card removal screen shows
when it is safe to remove the card.
When you remove the memory card,
the arrows change direction to show
that you must insert a card. Use the
magnet to actuate switch 1 for 5
seconds to exit menu.
IMPORTANT: Fit the memory card before the service module is fitted into the EXD enclosure. The memory card
is push to connect and push to release so may be pressed inadvertently during servicing. Always check the
memory card is inserted correctly after servicing.
Password Lock
The password lock lets you:
Prevent access to the calibration: so that selecting the calibration icon on the main menu will not access
calibration menu.
Prevent viewing of measured benzene levels: so the STEL and LIVE benzene displays will be blank.
You will use a 4-digit pin to turn the lock function on or off.
Titan is supplied with a default PIN of 0000 and with calibration and viewing unlocked.
Memory card
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Select the lock icon on the main
menu.
Lock the Calibration
On the "Lock Select" menu, select the
calibration icon to lock or unlock the
calibration screens.
On the "Enter PIN" screen, use
Switch 2 to cycle through the values
to set the first digit. Use Switch 1 to
move to the next digit.
The factory-set default is 0000.
When all the digits are set, Select
to go to the "Lock/Unlock" screen.
On the "Lock/Unlock" screen use
Switch 2 to toggle between locking
and unlocking the calibration.
Then select return to go to the "Lock
Select" screen.
To change the PIN, use Switch 1 to
navigate to the PIN number icon then
use Switch 2 to select it.
This will take you to the "Enter new
PIN" screen.
On the "Enter new PIN" screen, use
Switch 2 to cycle through the values
to set the first digit. Use Switch 1 to
move to the next digit.
When all the digits are set:
Select to save the PIN and
return to the "Lock screen
Select to return to the lock
screen without saving the PIN.
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Lock the STEL and LIVE Displays
On the "Lock Select" menu, select the
Titan Display icon to prevent or allow
viewing the STEL and LIVE values on
the screen.
On the "Enter PIN" screen, use
Switch 2 to cycle through the values
to set the first digit. Use Switch 1 to
move to the next digit.
The factory-set default is 0000.
When all the digits are set, Select
to go to the "Lock/Unlock" screen.
On the "Lock/Unlock" screen use
Switch 2 to toggle between locking
and unlocking the display.
Then select return to go to the "Lock
Select" screen.
To change the PIN, use Switch 1 to
navigate to the PIN number icon then
use Switch 2 to select it.
This will take you to the "Enter new
PIN" screen.
On the "Enter new PIN" screen, use
Switch 2 to cycle through the values
to set the first digit. Use Switch 1 to
move to the next digit.
When all the digits are set:
Select to save the PIN and
return to the "Lock screen
Select to return to the lock
screen without saving the PIN.
Alarms and Relays
The alarms and relays are individually programmable to the settings required by the site policy. You can choose
either alarm to energize either relay. The default settings would be. When the Titan is not powered the default
state of relay 1 is N/C, the default state of relay 2 is N/O.
Alarm 1: 5.0ppm live
Alarm 2: 0.5ppm STEL
Relay 1: Alarm 1, N/O
Relay 2: Alarm 2, N/O
Both relays can be programed to be Normally Open or Normally Closed.
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Alarm or Relay Selection
Select:
Alarm 1
Alarm 2
Relays
That takes you to the configuration
screen for that item.
Alarm Configuration
The configuration procedure for Alarm 1 is shown. Alarm 2 is the same.
Toggle between:
STEL
LIVE
Move the cursor to the value.
Use Switch 2 to cycle through the
values to the target value.
STEL:
Alarm starts when the STEL
concentration is equal to or greater
than target value.
LIVE:
Alarm starts when the current
concentration is equal to or greater
than target value.
–.– ppm:
The target value concentration.
Relay Configuration
This menu lets you set which relay each alarm operates and whether the relay
is normally open (NO) or normally closed (NC).
Select Relay 1 or Relay 2.
That takes you to the configuration
screen for that relay.
Select the Alarm Icon.
Toggle between:
Alarm 1
Alarm 2
Instrument FAULT.
Select the contacts Icon.
Toggle between NO and NC.
Relays and 4-20mA Test
Do a test of the relay and the 4-20mA systems to check for correct installation and function.
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Select Relay 1, Relay 2 or 4-20mA.
That takes you to the test screen for
the relay or 4-20mA system.
On the Relay test screen, toggle
between OPEN and CLOSED to
manually operate the relay.
When you return to the
previous screen, the system returns
to normal operation.
On the 4-20mA test screen, use
switch 2 to cycle through the output
values. The 4-20mA output changes
to the value displayed.
When you return to the
previous screen, the system returns
to normal operation.
Information Pages
Information Page 1
Alarm 1 configuration settings
Alarm 2 configuration settings
Information Page 2
Relay 1 configuration settings
Relay 2 configuration settings
Information Page 3
Sensor calibration value
Sensor Calibration date
Flow Calibration value
Flow calibration date
Information Page 4
Titan internal temperature
AirSep temperature
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Fault Indications
If there is a fault:
The three LEDs show Yellow
The main screen changes to a -
Warning Screen and gives the
name of the fault at the bottom.
Use the Fault Name to find
information from the Fault
Diagnostics section of this
manual.
Alarm Indications
If the benzene level exceeds one of
the two target concentration values
selected during Alarm Configuration:
The three LEDs on the front
panel show red.
An alarm symbol and the alarm
number, is displayed in the top
right of the screen.
If a relay is associated with the
alarm, it is energized.
Benzene detection continues.
The alarm is only raised if the
current cycle is above the alarm
thresholds.
Information Page 5
Firmware version number
Pump Driver Board Version Number
Information Page 6
Instrument serial number
User settable location
Processor serial number
Information Page 7
Baud rate
Modbus address
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Service Period Reminder
Titan counts continuous days of
operation. When it reaches 180 days:
The screen changes to "Service
Required"
The three LEDs on the front
panel show yellow.
Only a Service Center can reset it.
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TitanPC Software
The TitanPC software lets you connect to the Detection Module to:
Calibrate the module
View and download the detection and fault histories stored in the module
Set the operating thresholds of the alarms and relays
Adjust the time and date settings in the module clock
Give the module an identification appropriate to its installation
Upgrade the operating firmware on the module.
Minimum requirements
TitanPC Software works on PCs or laptops with operating systems:
Windows XP (no longer supported),
Windows Vista
Windows 7
Windows 8 / 8.1
Installation
The software is supplied by Ion Science Ltd on a USB memory stick. Or the latest version can be downloaded
from the Ion Science Website.
1. Insert the memory stick in the PC.
2. Click on the TitanPC.exe file.
3. Follow the onscreen instructions.
Connect the Titan to the PC
1. Install the Detector Module into the Test Housing Module.
2. Connect the USB or RS485 output to the PC.
3. Connect or switch on the power supply.
4. Start TitanPC.
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Starting the Software
After installation, click on the TitanPC icon on the desktop to start the software.
TitanPC shows a start-up window while loading the software, then the Main Operation Window when ready for
use.
TitanPC shows ten icons at the top of the window. Click on an icon to see the window you want.
Connection
Benzene Calibration
Settings
Fault Log
Data Download
Alarm and Relay
Configuration
Upgrade
Data View
Flow Calibration
Virtual Display
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Data Connection
Click the icon for the Connection window.
Click on the radio button for USB or RS485, to select the connection type.
RS485 is normally used when the Test Housing Module is a permanent installation The default address of
the Titan is 10
USB is normally used for a bench-top set-up or connect a PC/Laptop to a Detector Module in its normal,
installed position.
Click on the "Connect" button to manually connect to the Titan.
If connection is successful, it will show the status and ID of the Titan.
Or you can remove the memory card from the Titan (Refer to Removal of the Memory Card) and insert it into the
pc. Then select Memory Card and click Browse to find the card location. After connection, you can download
and view the data on the card.
If Titan is connected via USB, and the PC is connected to the internet, you can tick the check-box to allow Ion
Service Support to remotely connect to the Titan to view factory level data and configuration values.
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Settings
Click the icon for the Settings window.
The software should automatically scan for data when started. The
"Read from Titan" button lets you manually scan for data, if
necessary.
When the software has successfully connected to the Titan, the
serial number, instrument name and instrument date and time are
displayed.
You can change the instrument name to something more meaningful (for example, 'Area 1 Monitor').
You can change the Titan date and time to the same as the PC clock.
Modbus: Change address and baud rate
Service period: Displayed in days since last service
Calibration value: Test gas concentration, sensor calibration factor
and flow calibration factor
Note:
1. The Titan internal clock is automatically set during calibration using TitanPC. Without external power,
Titan can only store the current date and time for a maximum of 12 hours.
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Data Download
Click on the icon for the Data Download window.
When data is available to download, a list of the available dates
is displayed under "File Date" on the left.
If necessary, click "Refresh" to scan the instrument for fresh data.
Click on the available dates to select the data you want.
Use standard windows functions to select groups of dates, e.g.:
For consecutive files click the first one, hold down the Shift Key [Shift] and click on the last file you want.
For non-consecutive files, hold down the Control Key [Ctrl] and click on each file you want.
Or click the "Select All" button if you want all the files.
After selecting the files:
Click "Read Selected" to download the files to the PC
Click "Delete Selected" to delete the files.
The bar at the bottom of the screen indicates how much memory
is used/unused in the Titan.
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Data View
Click on the icon for the Data Download window.
Data View allows you to view, print or save pictures of graphs of the data in files downloaded from Titan using
Data Download. You can change the presentation to how you want to see it.
Click the 'Open File' button and select a file from the list.
TitanPC shows the data as a graph, or graphs superimposed on each other using the same time-axis. Each
data-set has its own, colour-coded, axis on the left. Fault groups (refer to TitanPC Fault Groups ) are shown in a
bar-graph at the top of the screen.
The tick-boxes at the top let you choose which graphs you see.
Hold down the left mouse button to grab and drag the graph around the screen. Use the mouse wheel to zoom
in and out.
There are 5 control buttons at the top right of the screen:
Scales – adjustment of data-axis scales.
Click on this to manually adjust the axis of each data-set.
In the pop-up window, click on the arrows, or type-in numbers to change the maximum and minimum values of
the scale. Click the 'Auto Scale' button to revert to the default values.
Zoom to fit (Auto-scale).
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Click this to reset the graph to make all data visible (Auto-scale).
Zoom.
Click this to zoom-in on an area of the graph. The cursor changes to a magnifying glass when over the graph.
Hold down the left mouse button to draw a rectangle around the area you want to enlarge. Click the Zoom
button again to leave zoom mode.
Print.
Click this to print the view you have on the screen.
Save as a Picture.
Click this to save the view you have on the screen, as a picture. You can save in jpg, emf, bmp, tif, png, or gif
format.
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Upgrade
Click on the icon for the Upgrade window.
If the PC is connected to the internet TitanPC will automatically detect if a new version of firmware or software is
available.
If new firmware or software is available, you can view the release notes or do an upgrade.
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Flow Calibration
Click on the icon for the Flow Calibration window.
Attach a bottle of between 5 and 10ppm Benzene to the inlet flame-arrestor before you start calibration. This
ensures the benzene is flowing through the Titan system before the start of the calibration.
Click the "Start Calibration" button. The text on the button will change to “Abort Calibration.” You can click the
button again to any time to stop the calibration and reset the screen to its original state.
"Last Cycle" shows the pump power and AirSep Performance value for the previous cycle.
If the AirSep Performance value is larger than the specified configuration value then the calibration will fail.
"Live Status" shows the applied pump power and measured differential pressure of the current cycle. If the
pump cannot run between the limits of ‘Minimum Pump Power’ and ‘Maximum Pump Power’ then the calibration
will fail.
"Sensor Calibration" If you tick "Enable Sensor Calibration" and type-in the Benzene concentration of the
bottle, TitanPC will calibrate the sensor after the Flow Calibration.
The "Save Calibration" button is not active until the calibration is complete and successful. The new calibrated
flow will not replace the old setting in the Detector Module until you click the button. The text "Calibration Saved"
will then appear next to the button.
The Status, Pump power and Differential pressure stay on the screen until you start a new calibration.
Do a Bump Test to check the calibration. Refer to Bump Test.
During the procedure the "Status" message shows:
“Instrument ready”
When there is a Detector Module
connected to TitanPC.
“Stabilising flow”
When the pump power has been
adjusted and the software is waiting
for stable flow conditions.
“Running measurement cycle”
When the software is doing a
measurement cycle.
“Calibration successful”
When the calibration is complete and
successful.
“Calibration failed: AirSep fault”
When the calibration diagnoses a
failure of the AirSep.
“Calibration failed: pump power high”
When calibration diagnoses that the
pump power required for a working
flow is too high.
“Calibration failed: pump power low”
When calibration diagnoses that the
pump power required for a working
flow is too low
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Benzene Calibration
Click on the icon for the Benzene Calibration window.
Ensure the Detector Module clock is set to the correct date and time.
Ensure the flow is successfully calibrated before you do Benzene Calibration.
For accuracy over the full range; Ion recommends a bottle of 5ppm benzene. The software allows you to use
any benzene concentration from 0.1 to 20.0ppm, if your application has different requirements. Titan analyses
the gas for a default of 5 cycles (10 minutes). If the tube or inlet probe between bottle and Titan is long, you can
increase the cycles to ensure a stable gas flow. (Contact Ion Science or your Service Center)
Attach the bottle before you start calibration. This ensures the benzene is flowing through the Titan system
before the start of the calibration.
Connect the bottle to the hydrophobic filter on the inlet flame-arrestor of the Titan. Use a demand-flow regulator
that delivers more than 500mL/min. A fixed-flow regulator will not perform correctly and can damage the Titan
Type-in the benzene concentration of the bottle and the cycles required.
Click on the "Start Calibration" button.
The screen shows the "Time Left" and the progress bar at the bottom.
At the end of the calibration the option to "Save" will show on the screen. The new calibration will not replace the
previous calibration in the Detector Module if you do not click the Save button.
Do a Bump Test to check the calibration. Refer to Bump Test.
Recorded Faults
Click on the icon for the Recorded Faults window.
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This screen shows the last date a fault occurred and how many times it has occurred.
Click "Refresh" to scan for the latest fault data.
Click "Reset" to clear all the fault reports to zero.
For more details of the fault conditions, refer to the Fault Diagnostics section of this manual.
Pressing the ‘Read Diagnostic Log’ button opens the following screen. The diagnostic file and comments can be
sent to Ion Science or to an e-mail of the user’s choice.
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Alarm Set
Click on the icon for the Alarm Set window.
You can set each alarm to operate when the STEL or Current level of Benzene reaches a set value in ppm.
In the window, type the value to trigger the alarm.
Click on the radio button to choose STEL or Current value as the trigger.
You can select which alarm or fault will operate each relay and whether it is normally open NO or normally
closed NC.
For each relay select between:
Alarm 1
Alarm 2
Instrument FAULT.
Select the contacts as NO or NC.
Click "Refresh" to reset the screen to the values in the Titan.
Click "Save" to set the Titan to the values on the screen.
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Virtual Screen
Click on the icon for the Virtual Screen window.
This tab displays in real time what is displayed on the Titan screen. A radio button allows the user to switch
between the current cycle reading and the calculated STEL.
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Ion Science Ltd.
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Bump Test
A "Bump Test" is not a calibration. The test verifies that the Titan is accurately measuring benzene at a known
concentration supplied from a bottle.
Use of the Test
Ion Science Ltd. recommend you do a Bump Test:
After initial installation.
After replacement of a Detector Module.
Once per week. Or at a regular period specified by the installation site policy.
If the Titan is exposed to a high gas concentration.
If the Titan receives a large physical shock.
If the Titan is exposed to silicone poisons.
Test Procedure
Ion Science Ltd recommended you use a bottle of 5ppm benzene equipped with a demand-flow regulator
delivering more than 500mL/min. A fixed-flow regulator will not perform correctly and can damage the Titan.
You can use any concentration from 0.1 to 20.0ppm benzene, if your application has different requirements.
Connect the bottle to the hydrophobic filter on the inlet flame-arrestor. Allow 3 minutes for the reading on the
Titan display to stabilize.
If the Titan does not display the gas concentration given by the bottle, calibrate the Titan to give the correct
readings. Refer to:
On-board Benzene Calibration
On-board Flow Calibration
TitanPC Benzene Calibration
TitanPC Flow Calibration
Manually energize the relays and 4-20mA system to verify correct connection of the systems. Refer to Relays
and 4-20mA Test.
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Fault Diagnostics
Fault and Alarm indications
If there is a fault, the main screen
changes to a Warning Screen and
gives the name of the fault under the
warning icon.
Use the Fault Name in the table
below to find the possible conditions
causing the fault.
Fault Conditions
The Titan is equipped with a number of diagnostics to ensure instrument faults are detected and communicated.
The table gives a fuller description of each fault and list some possible causes and corrective actions you can
try.
If the fault continues, or is repeated, contact your Service Center.
Abbreviations:
CTO = Continues to Operate. (Titan continues to operate but results might not be correct.)
Norm = Normal Operation
Fault Name and
Description
Possible Causes and
Corrective Actions
4-20mA
signal
LED
colour
CTO
Service Required:
Yellow
Yes
The Titan requires its
6-month service
check.
Titan has recorded 180 days
of continuous operation
without a service.
This can only be reset by an
Ion Science Service Center.
Temp error:
2.000
Yellow
Yes
Ambient temperature
too high.
or
AirSep temperature
out of limits.
Ambient temp >50,
Try cooling or shading the
Titan to prevent overheating.
AirSep temp <45 or >80
Or failed to reach temp
within 180 mins,
Possible thermocouple fault.
Contact the Service Center.
Temp fault:
2.125
Yellow
Yes
Instrument
temperature too high
for extended period.
Ambient T >50 for 1 hour
Try cooling or shading the
Titan to prevent overheating.
Sensor flow low:
2.250
Yellow
Yes
AirSep flow too low.
Check for kinks or pinches
in the tube between port 3
and the inlet flame-arrester.
Sensor flow high:
2.375
Yellow
Yes
AirSep flow too high.
Check that AirSep filter is
pushed in firmly and internal
tube connections are not
loose.
Recalibrate the flow.
Outlet Blocked:
2.500
Yellow
Yes
Reduced flow through
the outlet flamearrester.
P3 values not correct.
Check for kinks or pinches
in the tube between port 4
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Fault Name and
Description
Possible Causes and
Corrective Actions
4-20mA
signal
LED
colour
CTO
and the outlet flamearrester.
Tube off:
2.625
Yellow
Yes
Increased flow
through the inlet
flame-arrester.
P3 values not correct.
Check for leaks between the
external (Hydrophobic) filter
and the inlet flame-arrester.
Check for leaks between the
external (Hydrophobic) filter
and the extended probe line,
if installed.
Check for any disconnected
tubes within the Detector
Module.
Inlet Blocked:
2.750
Yellow
Yes
Reduced flow through
the inlet flamearrester.
P3 values not correct.
Check the external
(Hydrophobic) filter is not
blocked.
Check the extended probe
line, if installed, is not
blocked or kinked.
Check the inlet flamearrester for damage or
blockage.
Check for kinks or pinches
in the tubes within the
Detector Module.
Lamp Out:
2.875
Yellow
Yes
No signal from PID
Light sensor.
PID Lamp not illuminated.
Sensor failure.
During Titan start-up, wait at
least 5 cycles for the lamp to
illuminate.
Memory full:
Norm
Red
Yes
Not enough memory
space to store history.
Memory full.
Use TitanPC to download or
delete History Record Files.
PID ADC Fail:
3.000
Yellow
Yes
Communication failure
Internal hardware fault.
Remove the Detector
Module to check that the
black wiring loom is
connected and not
damaged.
Step overrun:
Norm
Red
Yes
Internal hardware fault
Program code step took
more than 0.5s to execute.
Contact the Service Center.
Step error:
Norm
Red
Yes
Software fault.
Invalid sequence step.
Contact the Service Center.
Watchdog:
3.125
Red
Yes
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Fault Name and
Description
Possible Causes and
Corrective Actions
4-20mA
signal
LED
colour
CTO
Software fault.
Software fault.
Contact the Service Center.
Pump fault:
3.250
Yellow
Yes
Failed communication
with pump board.
Internal hardware fault.
Contact the Service Center.
Pump power fail:
3.375
Yellow
No
Pump power fault.
Pump board power failure.
Contact the Service Center.
TitanPC Fault Groups
To reduce file size and memory usage, fault records are grouped together in the files stored on the Titan and
downloaded to the TitanPC.
TitanPC Group Name
Faults in the Group
PID failure
Lamp out,
PID ADC fail
Power failure
Pump power fail
General Operational failure
Step overrun,
Watchdog,
Pump fault,
Step error
Memory full
Memory full
Separator flow fault
Sensor flow high,
Sensor flow low
Instrument flow fault
Outlet blocked,
Inlet blocked,
Tube off
Separator temperature fault
Temp error
Internal Temperature fault
Temp fault
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Parts List
Part
Description
Part number
Qty
Titan 875 Benzene
Monitor and
Accessories Kit
Installation Kit,
Comprising:
TNXSXBXX-X
Housing Module
A-875281
1
Detector Module
A-875245
1
Front Cover Removal
Tool
875413
2
Transit Strap
875400
1
Transit Strap Screws
(M10x16)
2/SH10-16
2
Switch Actuation Magnet
A-875265
1
External (Hydrophobic)
Filter
A-875417
1 Gland Port Plug (for
transportation)
4/PB-05
2
Allen Key 2mm
4/TA-06
1
Allen Key 3mm
4/TA-08
1
Mounting Template
875431
Titan User Manual
875263
1
Titan Detector
Module and
Accessories Kit
Detector Module as
spare, or for off-site
service or calibration
Comprising:
TSMXSXXXX-X
Titan Detector Module
A-875245
1
Transit Case
875405
1
Front Cover Removal
Tool
875413
2
Allen Key 2mm
4/TA-06
1
Allen Key 3mm
4/TA-08
1
Titan Calibration
Gas Kit
Comprising:
861517
Bottle of 5ppm Benzene
1 Carry case
1 Tubing
1
Demand-flow Regulator
1
Faceplate
(Enhanced EMI
protection)
Alternative Faceplate
with increased protection
against Electromagnetic
Interference
875294
Transit Case
For transporting the
Detector Module without
the Housing Module
875405
1
Cover Removal Tool
Tools to remove the front
cover
875413
2
Actuation Magnet
Tool to operate the
magnetic switches
A-875265
1
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Page 64 of 65
through the front cover
External
(Hydrophobic) Filter
Replacement External
Filter
A-875417
1
Allen Key 2mm
Ball-ended Hex Wrench
To remove Detector
Module
4/TA-06
1
Allen Key 3mm
Ball-ended Hex Wrench
To remove Detector
Module
4/TA-08
1
TitanPC Software
To use a PC to calibrate
and download detection
and fault history (on USB
stick or Ion website)
Titan User Manual
Installation, Operating,
Servicing and Fault
Diagnosis Instructions
875632
1
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Ion Science Ltd.
Page 65 of 65
Manual Log
Manual
Version
Amendment
Issue Date
Instrument
Firmware
PC software
1.0
First Issue
01/01/2016
0.1.70
1.0.1.54
1.1
Cover - Tian image
Page 6 - Declaration of conformity
Page 7 - Statements
Page 8 - US office address
Page 12 - Warning notice
Page 29 - Added graphic page 29
Page 36, 38 - Modified graphics
Page 39 - Added memory location image
Page 40,43, 44 - Modified / added graphics
Page 47 to 59 - Replaced screen graphics
1.1R
Logo only
01/08/2017
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