Servomex SERVOTOUGH Oxy Operator's Manual

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01910001B_8

SERVOTOUGH Oxy

01910001B

UK English

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Page 1 SERVOTOUGH Oxy Operator Manual Part Number: 01910001B Revision: Language: UK English 01910001B_8 © Servomex Group Limited. 2020...
Page 2 This page inten�onally blank.
Page 3 This handbook is accurate at the date of printing, but will be superseded and should be disregarded if speciﬁcations or appearance are changed. Servomex is a registered trademark of Servomex Group Limited. The use of all trademarks in this document is acknowledged.
Page 4 This page inten�onally blank...
Page 5: Table Of Contents
Remove the power/interface compartment cover ..............30 Electrical supply and interface signal connec�ons ..............31 Electrical safety ........................31 5.3.1 Conﬁgure the cable entry holes ..................32 5.3.2 Interface signal connec�ons ....................32 5.3.3 01910001B_8 © Servomex Group Limited. 2020...
Page 6 Overview of measurement errors ..................60 5.18.1 Entering a cross-interference compensa�on ..............61 5.18.2 Selec�ng display units ......................61 5.19 Conﬁguring the measurement alarms ..................63 5.20 Alarm modes and levels ...................... 63 5.20.1 © Servomex Group Limited. 2020 01910001B_8...
Page 7 Preventa�ve maintenance ......................83 SAMPLE SYSTEM INTEGRATION ....................85 Sample Systems ......................... 85 Corrosive Purge ......................... 85 10. FAULT FINDING ......................... 87 Fault, Maintenance Required and SIP Statuses ................. 87 10.1 Status deﬁni�ons ........................ 87 10.1.1 01910001B_8 © Servomex Group Limited. 2020...
Page 8 MATERIALS IN CONTACT WITH SAMPLE AND CALIBRATION GASES ......129 Appendix F DISPOSAL IN ACCORDANCE WITH THE WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) DIRECTIVE ...................... 131 Appendix G COMPLIANCE AND STANDARDS INFORMATION ............133 © Servomex Group Limited. 2020 01910001B_8...
Page 9 Figure 43 - The mA output high level screen ..................... 55 Figure 44 - The during calibra�on screen ....................55 Figure 45 - The jam condi�on screen ......................55 Figure 46 - The mA output range screen ....................55 01910001B_8 © Servomex Group Limited. 2020...
Page 10 Figure 91 - The Pressure view screen ......................79 Figure 92 - The mA output override ......................79 Figure 93 - Flow levels ..........................80 Figure 94 - The Message status screen ...................... 93 © Servomex Group Limited. 2020 01910001B_8...
Page 11 Figure 99 - Comms Parameters Parity screen ..................116 Figure 100 - Comms Parameters IP Address screen ................. 116 Figure 101 - Comms Parameters Subnet mask screen ................117 Figure 102 - Comms Parameters Gateway address screen ..............117 01910001B_8 © Servomex Group Limited. 2020...
Page 12 Note: Hints give helpful tips. Hint: Scope of the manual This manual is the Operator Manual of the SERVOTOUGH Oxy. It provides installa�on, opera�on and rou�ne maintenance instruc�ons. Other documents for the SERVOTOUGH Oxy are listed below: Descripti on Document...
Page 13: Description And Definitions
ﬂuctua�ons. The sample gas inlet and outlet connec�ons on the base of the analyser (see Figure 2) are piped into/from this compartment and contain sintered stainless steel par�culate ﬁlters, designed to give extra 01910001B_8 © Servomex Group Limited. 2020...
Page 14: Power/Signal Compartment (Figure 4)
(through the cable entry holes on the base of the analyser) to the terminals in this compartment. You must remove the threaded cover to access this compartment. Ordering options For the latest ordering op�ons please contact your local Servomex agent or visit www.servomex.com. © Servomex Group Limited. 2020 01910001B_8...
Page 15: Figure 1 - Front Of The Analyser
* The locking screw may be in a diﬀerent orienta�on with respect to the cover (7), depending on how the cover has been ﬁted. † On the side of the analyser. Contains Servomex contact details, date of manufacture, analyser model and serial number, analyser inlet ﬂow rate, mains voltage ra�ng and op�onal Tag Number.
Page 16: Figure 2 - Base Of The Analyser
Sample gas inlet 1/4 inch NPT inch NPT Cable entry holes (2 oﬀ) 3/4 Sample gas outlet 1/4 inch NPT inch NPT Corrosive purge inlet 1/4 inch Func�onal Earth (ground) terminal NPT, or blank © Servomex Group Limited. 2020 01910001B_8...
Page 17: Figure 3 - Base Of Analyser, Sample Hea�Ng
Cable entry holes (2 oﬀ) 3/4 Sample inlet/outlet insula�on and inch NPT cover plate Func�onal Earth (ground) Cover plate ﬁxing screw, 4 x M4 terminal Corrosive purge inlet 1/4 inch Sample gas inlet 1/4 inch NPT NPT, or blank 01910001B_8 © Servomex Group Limited. 2020...
Page 18: Figure 4 - Inside Power / Signal Compartment
Relays P112, relay func�ons: mA range indica�on, Service in Progress mA output terminals P103 and Maintenance Required Relays P102, relay func�ons: Modbus 485 (P109) or Ethernet Concentra�on Alarms 1& 2 and Fault (U152) connec�on Fuse F101 © Servomex Group Limited. 2020 01910001B_8...
Page 19: Figure 5 - Inside Power / Signal Compartment - Auto Valida�On / Remote Calibra�On
Figure 5 - Inside Power / Signal Compartment - Auto valida�on / Remote Calibra�on Descripti on Descripti on Switch inputs P804, auto valida�on, Relay P803, relay func�ons: Sample autocalibra�on, calibrate low, gas, low calibra�on gas and high calibrate high and ini�ate service in calibra�on gas progress 01910001B_8 © Servomex Group Limited. 2020...
Page 21: Specification
The analyser is not suitable for use with sample vent back pressures that cause pressurisa�on at the sample vent of greater than 124 kPa (18 psia). If used with gases at pressures over 124 kPa (18 psia) the hazardous area cer�ﬁca�on is invalidated. 01910001B_8 © Servomex Group Limited. 2020...
Page 22: Electrical Data
30 Vdc 1 A Milliamp output • Maximum load resistance 600 W • Minimum isola�on voltage 500 V Output range • Normal sample 0 to 20 mA or 4 to 20 mA † measurement © Servomex Group Limited. 2020 01910001B_8...
Page 23: Sample Gas
The analyser will be damaged if condensa�on is allowed to form within the measurement cell or pipe work. It is important that the sample gas dew points speciﬁed below are maintained at all �mes. 01910001B_8 © Servomex Group Limited. 2020...
Page 24: Corrosive Purge Gas
5 °C (9°F) below ambient temperature (minimum) Dew point Maximum purge pressure 110 kPa (16 psia) Calibration gas The calibration gases must be clean, non-corrosive, free from oil/ condensates and Note: compatible with the materials listed in 0. © Servomex Group Limited. 2020 01910001B_8...
Page 25: Performance
The display indications given below are the default indications. You can conﬁgure the Note: analyser to provide other display indications (see Section 5.19). The display indica�ons given below are the default indica�ons. You can conﬁgure the analyser to provide other display indica�ons (see Sec�on 5.19). 01910001B_8 © Servomex Group Limited. 2020...
Page 26 <±2% of full scale per 10 °C (18°F) change in temperature T90 response �me < 15 seconds Recommended Calibra�on Interval 6 to 12 months * For gases with higher molecular weights than N2, the accuracy will be <±10% of full scale. © Servomex Group Limited. 2020 01910001B_8...
Page 27: Hazardous Area Cer�Fica�On
Copies of the Hazardous Area Cer�ﬁcates are held in Cer�ﬁca�on supplement manual 01910008B. In summary, the SERVOTOUGH Oxy is cer�ﬁed for use in Zone 1/Division 1 areas (both gases and dusts) and is available with the following hazardous area approvals:...
Page 29: Unpack The Analyser
5 mm hexagonal key Spare fuses If the accessory kit is missing, or any item is missing from the kit, immediately contact Servomex or your local Servomex agent. Check that the electrical supply voltage (shown on the ra�ng label) is correct for your electrical supply.
Page 31: Analyser User Interface
When you ﬁrst switch on the analyser, a ’start-up screen’ is displayed while the analyser carries out a self-test. The start-up screen shows the Servomex name, a ‘self-test �me elapsed/remaining’ indicator, and messages iden�fying the tasks being carried out as part of the self-test.
Page 32: So� Key Legends
(The ﬁrst, le�-most, legend corresponds to the func�on of so� key 1, the second legend corresponds to the func�on of so� key 2, and so on). On the Measurement screen, the so� key func�ons are as follows: © Servomex Group Limited. 2020 01910001B_8...
Page 33: System And Measurement Status Icons
Measurement status is on the right-hand side of the measurement reading and can be shown with a fault icon, a maintenance required icon, a service in progress icon or a warming icon, see table below. 01910001B_8 © Servomex Group Limited. 2020...
Page 34: Scroll Bars
Once you have entered a password, it remains active until 10 minutes after the last Note: soft key is pressed. After this, the password becomes inactive; you must re-enter the password to access password-protected options/screens again. © Servomex Group Limited. 2020 01910001B_8...
Page 35: Figure 7 - The Analyser Menu Structure
Calibrate flow module Diagnostics View diagnostics Option/screen can be protected by the supervisor Status Option/screen can be protected by the operator Active View status View history View status history Figure 7 - The analyser menu structure 01910001B_8 © Servomex Group Limited. 2020...
Page 36: The Menu Screen
Measurement screen again. The Settings screen so� keys to highlight the required screen op�on, then press the so� key to Use the display the selected screen, as shown below: © Servomex Group Limited. 2020 01910001B_8...
Page 37: The Informa�On Screen
The Information screen This screen shows informa�on (such as the analyser serial number and the version of the opera�ng so�ware embedded in the analyser) which is useful to the Servomex support team. Figure 10 - Typical informa�on screen Note that the informa�on shown on the screen will vary, depending on the analyser model.
Page 38: Edi�Ng On-Screen Data
You may be asked to provide the information from this screen to the Servomex Note: support team; for example, as an aid to fault diagnosis. Editing on-screen data 4.10 A common method is used for edi�ng data shown on all of the diﬀerent screens.
Page 39: Installation And Set-Up
You must mount the analyser on a suitable rigid ver�cal surface (refer to Sec�on 2.1 for the mass of the analyser). Due to the Analyser mass, care must be taken during moun�ng, see below. 01910001B_8 © Servomex Group Limited. 2020...
Page 40 Analyser should not be li�ed by one person alone. Where possible it is suggested to li� the analyser with suitable li�ing apparatus such as a hoist. PPE (Personal Protec�ve Equipment) such as safety shoes should be used to protect any persons from injury. © Servomex Group Limited. 2020 01910001B_8...
Page 41: Figure 12 - Fixing Dimensions (Mm)
Figure 12 - Fixing dimensions (mm) 01910001B_8 © Servomex Group Limited. 2020...
Page 42: Remove The Power/Interface Compartment Cover
Any damage to the thread on the cover will compromise the analyser cer�ﬁca�on. Place the cover carefully on a clean surface, res�ng on the exterior of the cover, so that the pregreased threads do not become contaminated. © Servomex Group Limited. 2020 01910001B_8...
Page 43: Electrical Supply And Interface Signal Connec�Ons
The terminals must only be connected to circuits that are themselves separated from mains voltages by at least reinforced insula�on. • All signal and electrical supply cables must be rated for temperatures of 70°C (158°F) or higher. 01910001B_8 © Servomex Group Limited. 2020...
Page 44: Configure The Cable Entry Holes
1. Pass your signal cable(s) through one or two of the cable-glands ﬁted to the base of the power/interface compartment. 2. Refer to Figure 4. Connect the mA output wires in your cables to the corresponding terminal pins of the mA output, as follows: © Servomex Group Limited. 2020 01910001B_8...
Page 45 P112 Pin 5 (SIP) Closed indicates a SIP condi�on P112 Pin 6 Maintenance Open indicates a maintenance required P112 Pin 7 Required (Common) P112 Pin 8 Closed indicates a maintenance required P112 Pin 9 01910001B_8 © Servomex Group Limited. 2020...
Page 46: Auto Validate/Calibrate Connec�Ons (Op�On)
+12V to 24V to start Auto Calibra�on / Calibrate P804 Pin 2 (Momentary Input) Stop Auto Valida�on / Auto P804 Pin 3 +12V to 24V to start Calibra�on / Calibrate High (Momentary Input) P804 Pin 4 © Servomex Group Limited. 2020 01910001B_8...
Page 47: Modbus Rs485 And Ethernet Connec�Ons (Op�On)
P109 1 P109 2 P109 3 P109 4 Termina�on P109 5 Figure 14 - Modbus RS485 interface connector Link pins 4 and 5 if the analyser is at the end of the RS485 network. Note: 01910001B_8 © Servomex Group Limited. 2020...
Page 48: Mains Electrical Supply Connec�On
The power/interface compartment cover is heavy. Ensure that you do not drop the cover when you reﬁt it to the body of the analyser. If you do, you may injure yourself or damage other equipment. © Servomex Group Limited. 2020 01910001B_8...
Page 49: External Earth (Ground) Connec�On
Use a suitable conductor to connect the analyser external earth (ground) terminal to a local equipoten�al earth (ground) point: see warning and cau�on above. You can use ﬂexible or solid conductors, up to 10 mm up to a maximum length of 2 metres. 01910001B_8 © Servomex Group Limited. 2020...
Page 50: Connect The Sample/Calibra�On Gas Pipe(S)
Do not introduce calibration or sample gases into the analyser yet. You must switch on Note: the electrical supply and leave the analyser for at least 4 hours before you allow © Servomex Group Limited. 2020 01910001B_8...
Page 51: Switch On/Set-Up
Password protection can be used to prevent adjustment of the clock by unauthorised Note: persons, so ensuring the validity of measurement times and the ’time since last calibration’ history. 01910001B_8 © Servomex Group Limited. 2020...
Page 52: Se�Ng The Security Level
If you change a password, ensure that you record the new password somewhere safe. Note: Otherwise, if you cannot recall the new password, you will have to contact Servomex or your local Servomex agent for assistance. Use the following procedure to change the supervisor and operator passwords: 1.
Page 53: Adjus�Ng The Contrast
Figure 19 - The Backlight �mer screen The backlight time (Duration) can be set between 0 and 999 seconds. Set the backlight Note: time (Duration) to 0 seconds to leave the backlight permanently switched on. 01910001B_8 © Servomex Group Limited. 2020...
Page 54: Se�Ng The Clock
Decimal format Use of "."* (full stop) or "," (comma) as the decimal point Default op�on. To change the regional se�ngs: 1. Select: Se�ngs Regional 2. This screen shows the ﬁrst regional op�on (Language). © Servomex Group Limited. 2020 01910001B_8...
Page 55: Se�Ng Up Automa�C Valida�On/Calibra�On (Op�On)
�me. If automa�c valida�on is cancelled during this �me the gas selec�on control will not have changed state. • You can specify an iner�ng phase. This ensures that non-inert hazardous mixtures of calibra�on gas and sample gas cannot ﬂow into the analyser one immediately a�er the 01910001B_8 © Servomex Group Limited. 2020...
Page 56 �me. • You can specify a ﬂushing phase. This phase operates as a delay, a�er a diﬀerent gas is routed into the analyser, before a valida�on/calibra�on is carried out. © Servomex Group Limited. 2020 01910001B_8...
Page 57: Automa�C Valida�On/Calibra�On Sequence
• Valida�on/Calibra�on type has been set to Low & High. • Mode has been set to Calibra�on. • Iner�ng is set to On (ac�ve) and Inert gas has been set to Low Calibra�on Gas. 01910001B_8 © Servomex Group Limited. 2020...
Page 58: Remote Calibra�On Or Automa�C Valida�On/Calibra�On
A calibra�on will be successfully completed if the current measurement is equal to the target measurement +/- the auto valida�on tolerance values, See Figure 26. If this condi�on is not met a Maintenance required status will be raised. © Servomex Group Limited. 2020 01910001B_8...
Page 59: Automa�C Valida�On/Calibra�On Target And Tolerance
4. Edit the low tolerance value. Figure 26 - The Auto val/cal low tolerance screen 5. Scroll down to the High target value then repeat steps 3 and 4 to set the High target and High tolerance values. 01910001B_8 © Servomex Group Limited. 2020...
Page 60: Automa�C Valida�On/Calibra�On Type And Mode
3. Select ‘Mode’. Select required type: ‘Validate’ or ‘Calibrate’. Figure 30 - The Auto val/cal mode screen Automatic validation/calibration phases 5.15.6 1. Return to the Auto val screen (Figure 24). Select ’Phase’. 2. Select ’On’ or ’Oﬀ’ for Pre warning. © Servomex Group Limited. 2020 01910001B_8...
Page 61: Figure 31 -The Auto Val/Cal Phase Screen
6. Select the correct inert gas: ‘Low’ or ‘High’. Figure 34 - The Auto val/cal inert gas screen 7. Scroll to the Auto val/cal iner�ng �mer screen, showing the currently selected iner�ng �me se�ng. 8. Edit the �me. 01910001B_8 © Servomex Group Limited. 2020...
Page 62: Automa�C Valida�On/Calibra�On �Mers
3. Scroll to the Auto val/cal start date screen. 4. Edit the displayed start date. Figure 38 - The Auto val/cal start date screen 5. Scroll to the Auto val/cal start �me screen. 6. Edit the displayed start �me. © Servomex Group Limited. 2020 01910001B_8...
Page 63: Configuring And Using The Ma Outputs
In addi�on to the above, you can specify how the milliamp output will operate during calibra�on, during a fault condi�on, and during under range condi�ons. 01910001B_8 © Servomex Group Limited. 2020...
Page 64: Introduc�On To The Ma Output Parameters
4-20mA and Jam Low (Default Se�ngs). This will prevent analyser faults remaining undiagnosed and is the safest mode of opera�on. The milliamp output parameters that you must set up are as follows: © Servomex Group Limited. 2020 01910001B_8...
Page 65 0-20 mA or 4-20 mA. * Under range Any value below 4 mA. # Range change point The range change point.† Hysteresis The range change hysteresis.† Only available when Auto range is selected. † Default se�ng. Fail safe opera�on. 01910001B_8 © Servomex Group Limited. 2020...
Page 66: Se�Ng Up The Ma Output Parameters
Auto ranging, you must also set the range change and hysteresis values. Figure 42 - The mA range screen 4. Return to the mA conﬁgura�on screen (Figure 41) and select ’Set up’ op�on. 5. Edit the Range high level and low level. © Servomex Group Limited. 2020 01910001B_8...
Page 67: Figure 43 - The Ma Output High Level Screen
8. You can then select the range that you would like to use: 0-20mA or 4- 20mA. Figure 46 - The mA output range screen 9. You can then select the under range value. 01910001B_8 © Servomex Group Limited. 2020...
Page 68: Calibra�Ng The Ma Output
Figure 49 - The mA range change hysteresis screen Calibrating the mA output 5.16.4 Use the following procedure to calibrate the mA output: 1. Select: Service mA output 2. Select the required ‘Calibrate’ op�on. © Servomex Group Limited. 2020 01910001B_8...
Page 69: Configuring And Using The Relay Outputs
Configuring and using the relay outputs 5.17 Overview relay default status settings 5.17.1 As default the relays are set up as in the following table. For details on relay connec�ons refer to Sec�on 5.3.3. 01910001B_8 © Servomex Group Limited. 2020...
Page 70: Se�Ng Up The Relay Coil Status
Set Up 2. Edit fault relay coil sate that is required for the "ac�ve" status Figure 52 - Fault Relay 3. Edit Maintenance Required relay coil sate that is required for the "ac�ve" status © Servomex Group Limited. 2020 01910001B_8...
Page 71: Figure 53 - Maintenance Required
6. Edit Alarm 2 relay coil sate that is required for the "ac�ve" status Figure 56 - Alarm 2 7. Edit mA Range Indica�on relay coil sate that is required for the "ac�ve" status 01910001B_8 © Servomex Group Limited. 2020...
Page 72: Correc�Ng O 2 Measurements For Background Gases
If you cannot ignore the error, you can use the procedure in Sec�on 5.18.2 to enter a compensa�on to correct for the error. Example correc�ons are shown below. Example: Note: If you are measuring O (oxygen) in a background of Carbon dioxide -0.30 should be entered as the cross interference oﬀset. © Servomex Group Limited. 2020 01910001B_8...
Page 73: Entering A Cross-Interference Compensa�On
3. Edit the displayed oﬀset. Figure 58 - The X-Interference oﬀset screen Selecting display units 5.19 You can change the measurement units shown on the display (and output). The following display units are supported: 01910001B_8 © Servomex Group Limited. 2020...
Page 74: Figure 59 - The Currently Selected Units Screen
2. If you want to change the currently displayed units, press the so� key: the Units selec�on screen will then be displayed. Figure 59 - The Currently selected units screen 3. If required scroll to the "Factor" screen to change the unit conversion factor. © Servomex Group Limited. 2020 01910001B_8...
Page 75: Configuring The Measurement Alarms
Ensure that the measurement alarm and hysteresis levels are not too close to the Note: expected sample measurements. (If there are minor and acceptable variations in your sample gas concentrations this will reduce spurious alarms). 01910001B_8 © Servomex Group Limited. 2020...
Page 76: Figure 62 - The Alarm Set Up Screen
• If the ‘Follow’ op�on is set to ‘No’, the alarm will be inhibited during calibra�on. • If the ‘Follow’ op�on is set to ‘Yes’, the alarm will not be inhibited during cal. 1. Select Set up. 2. Select the required alarm. © Servomex Group Limited. 2020 01910001B_8...
Page 77: Latching/Non-Latching Alarms
Measurement screen will be displayed again. Hysteresis levels 5.20.3 The hysteresis level associated with a measurement alarm determines when an alarm condi�on (once ac�vated) is deac�vated, and this depends on the alarm mode, as follows: 01910001B_8 © Servomex Group Limited. 2020...
Page 78: Viewing The Measurement Alarm Status
• The alarm mode (where "<" indicates a low alarm and ">" indicates a high alarm). • The alarm level. Setting the Measurement Filter Level 5.20.5 Use the following procedure to set up the measurement ﬁltering: 1. Select: Filtering Set Up 2. The current ﬁlter level is shown. © Servomex Group Limited. 2020 01910001B_8...
Page 79: Se�Ng Up The Flowcube
ﬂow alarms and one high ﬂow alarm. The ﬂow sensor allows preventa�ve maintenance to be taken before the sample ﬂow rate reduces to unacceptable levels Sec�on 2.4. Conﬁgura�on op�ons and defaults for each ﬂow sensor alarm level are given below: 01910001B_8 © Servomex Group Limited. 2020...
Page 80: Figure 69 - The Low Flow Level 1 Screen
3. Scroll to the low ﬂow level 2 screen and set the ac�va�on level for low ﬂow alarm 2. Figure 70 - The low ﬂow level 2 screen 4. Scroll to the low ﬂow 1 status screen and set the status type to be reported on low ﬂow alarm 1 ac�va�on. © Servomex Group Limited. 2020 01910001B_8...
Page 81: Figure 71 - The Low Flow 1 Status Screen
6. Scroll to the high ﬂow status screen and set the status type to be reported on the high ﬂow alarm ac�va�on (ﬂow greater than 130%). Figure 73 - The high ﬂow status screen 01910001B_8 © Servomex Group Limited. 2020...
Page 83: Calibration
If the analyser is conﬁgured for automa�c valida�on/calibra�on (see Sec�on 6.2). Manually calibrate the analyser as follows: 1. Ensure that your equipment is conﬁgured to correctly route your calibra�on gas supply to the analyser sample gas inlet. 2. Select Calibrate 01910001B_8 © Servomex Group Limited. 2020...
Page 84: Automa�C Valida�On/Calibra�On
7. Repeat steps 3 to 6 of this sec�on for the second calibra�on. Automatic validation/calibration Initiating an automatic validation/calibration 6.2.1 You must have set up the parameters/options as described in Section 5.15.2 before Note: you initiate an automatic validation/calibration. © Servomex Group Limited. 2020 01910001B_8...
Page 85: Figure 76 - The Auto Val/Cal Select Screen
("-" will be shown if no automa�c valida�on/ calibra�on has previously been run). so� key. 5. Press the Figure 77 - The Auto val/cal ini�ate screen so� key to ini�ate the automa�c valida�on/calibra�on. 6. Press the Figure 78 - The Auto val/cal conﬁrm screen 01910001B_8 © Servomex Group Limited. 2020...
Page 86: Automa�C Valida�On/Calibra�On Status Indica�Ons
Figure 79 - The Auto val/cal status screen (ﬂushing phase) Figure 80 - The Auto val/cal status screen (valida�ng phase) Figure 81 - The Auto val/cal status screen (ﬁnishing phase) Figure 82 - The Auto val/cal failed screen Stopping an automatic validation/calibration 6.2.3 © Servomex Group Limited. 2020 01910001B_8...
Page 87: Viewing Valida�On/Calibra�On History
(Auto val), manual calibra�on (Man cal) and whether it was a Pass or a Fail. Figure 84 - The valida�on/calibra�on history screen (ini�al view) 4. Note also that the top line of the valida�on/calibra�on history screen will alternate between: 01910001B_8 © Servomex Group Limited. 2020...
Page 88: Calibra�Ng The Pressure Sensor
Figure 86 - The ﬂow calibrate zero screen 3. Select the normal calibra�on op�on and restore the sample ﬂow through the analyser. Wait 3 minutes before pressing the so� key. Figure 87 - The ﬂow calibrate normal screen © Servomex Group Limited. 2020 01910001B_8...
Page 89: General Operation
The relay signal outputs freeze at the selected override signal state as long as the Note: ‘Override action’ screen is displayed. As soon as another screen is displayed, the relay signal outputs will be updated to reﬂect the corresponding alarm, fault and range states. 01910001B_8 © Servomex Group Limited. 2020...
Page 90: Pressure Compensa�On (Op�On)
1. Select: View Pressure 2. On this screen: • The "Pre comp" value is the sample measurement before pressure compensa�on. • The "Post comp" value is the pressure compensated sample measurement. © Servomex Group Limited. 2020 01910001B_8...
Page 91: Checking The Ma Output
Flow Alarm View • The ﬂow level shown at ‘A’ is indica�ng ﬂow rate of 119% of nominal ﬂow. • The ﬂow level shown at ‘B’ is indica�ng ﬂow rate of 35% of nominal ﬂow. 01910001B_8 © Servomex Group Limited. 2020...
Page 92: Switching Off The Analyser
• Ensure the gas inlet and outlets are blocked oﬀ (closed valve or protec�ve caps supplied). • Isolate/lockout the external electrical supply and disconnect the electrical supply cable from the analyser. © Servomex Group Limited. 2020 01910001B_8...
Page 93: Routine Maintenance
The power/interface compartment cover is heavy. Ensure that you do not drop the cover once it is disengaged from the body of the analyser. If you do, you may injure 01910001B_8 © Servomex Group Limited. 2020...
Page 94: Refit The Power/Interface Compartment Cover
2. Screw on the cover (that is, turn the cover clockwise) to secure it to the analyser. It can help to turn the cover anticlockwise, up to one turn, till you feel or hear the Note: threads align, before beginning to screw on the cover clockwise. © Servomex Group Limited. 2020 01910001B_8...
Page 95: Use Of The Analyser With Toxic Gases
We recommend that you leak-test the analyser at least once every 6 months: • If there are leaks within the analyser, it must be returned to Servomex for repair. Do not con�nue to use the analyser.
Page 96 Note that you will always be informed in advance if any repairs or new parts are required for your analyser. Contact Servomex or your local Servomex agent to arrange for a preventa�ve maintenance contract. © Servomex Group Limited. 2020 01910001B_8...
Page 97: Sample System Integration
SAMPLE SYSTEM INTEGRATION The SERVOTOUGH Oxy is a precision analy�cal device, suitable for a wide variety of industrial applica�ons. Though every eﬀort has been taken to ensure that the analyser is highly robust to diﬀering sample stream composi�ons, it should be noted that if the requirements of Sec�on 2.4 and Sec�on 2.5 are not met then the analyser...
Page 99: Fault Finding
Check that the calibra�on gases are as speciﬁed in Sec�on 2.4 and Sec�on 2.6 and that the Auto cal low fail correct se�ngs have been entered, then recalibrate the analyser again. 01910001B_8 © Servomex Group Limited. 2020...
Page 100 Recalibrate (both low and high) as described in Sec�on 6. If the Calibra�on fault fault persists, contact Servomex or your local Servomex agent for assistance. Contact Servomex or your local Code fault Servomex agent for assistance. Turn the analyser oﬀ, and then turn it on again.
Page 101 Recommended actions Turn the analyser oﬀ, and then turn it on again. If the fault message is then displayed Database fault again, contact Servomex or your local Servomex agent for assistance. This usually occurs because the electrical supply to the analyser has been switched oﬀ...
Page 102 Low ﬂow alarm 2 Check that the level has been set correctly and that calibra�on has been performed (see Sec�on 6.3). Contact Servomex or your local Heater fault Servomex agent for assistance. Ensure that the electrical cabling connected to the analyser is not open circuit.
Page 103 Message Measurem ent screen icon Recommended actions Contact Servomex or your local P H/W fault Servomex agent for assistance. Adjust pressure. Contact P low fault Servomex or your local Servomex agent for assistance. Contact Servomex or your local Power conﬁg fault Servomex agent for assistance.
Page 104: Viewing Messages
Ensure that you are using the analyser in the speciﬁed opera�ng condi�ons (refer to Transducer error Sec�on 2). If the fault persists, contact Servomex or your local Servomex agent for assistance. Raised during manual, remote Tx calibrate or auto calibra�on of the transducer.
Page 105: View History Messages
For general analyser fault ﬁnding, refer to the table on the following pages. If you have read through the table and s�ll cannot rec�fy a fault, or cannot iden�fy the cause of a fault, contact Servomex or your local Servomex agent for assistance. 01910001B_8...
Page 106 The Fault LED is on. recommended ac�ons: Switch oﬀ the analyser, then switch it on again. If the fault persists, contact Servomex or your local Servomex agent for assistance. The so�ware health indicator is not Carry out the recommended ac�ons for the "The Fault moving on the display.
Page 107 If the supply is correctly connected, the opera�ng fuse may have failed; inspect and replace the fuse if necessary: refer to Sec�on 8.3. 01910001B_8 © Servomex Group Limited. 2020...
Page 108 If you have conﬁgured the milliamp output to jam high or jam low, check whether a fault condi�on exists (see The mA output is at 0 or 21.5 mA. Sec�on 5.16). Otherwise, contact Servomex or your local Servomex agent for assistance. Ensure that the electrical cabling connected to the analyser is not open circuit.
Page 109: Storage And Disposal
Refer to Appendix A6 for disposal requirements in accordance with the WEEE Directive within the EC. If you send the analyser to Servomex or your local Servomex agent for disposal, it Note: must be accompanied by a correctly completed decontamination certiﬁcate.
Page 111: Spares
ﬁre or explosion. The standard spares available for the analyser are shown below. You can order these spares from Servomex or your Servomex agent. Part Num ber Spare Fuse F101: 2 A for 100-120 V opera�on...
Page 113: Implementation Guide For Modbus Communications
Appendix A IMPLEMENTATION GUIDE FOR MODBUS COMMUNICATIONS Introduction This appendix details the implementa�on and use of the Modbus protocol in the SERVOTOUGH Oxy Analyser. References Document “MODBUS over Serial Line Speciﬁca�on & Implementa�on guide V1.0 Nov 02” Modbus web site modbus.org.
Page 114: Excep�On Codes
0-15, in the next register. This order can be reversed by se�ng a coil. System data mapping Read-only access to system data will be provided in a block of 100 registers. These can be accessed as input registers using func�on code 04. © Servomex Group Limited. 2020 01910001B_8...
Page 115: Transducer Data Mapping
Register Name Comments Measurements and data for Transducer 101 – 200 each transducer The following table shows the assignment for the transducer. Each register provides 2 bytes of data. 01910001B_8 © Servomex Group Limited. 2020...
Page 116: A.10 System Fault Mapping
3 = service in progress. The fault, maintenance required, and service in progress faults provide a summary of the other states and can only be oﬀ or on. The registers are assigned as follows: © Servomex Group Limited. 2020 01910001B_8...
Page 117: A.11 Transducer Fault And Alarm Mapping
Name Comments Transducer Measurements and data for each transducer 1101-1200 Each input within the block for the transducer is assigned as follows: Register Name Comments Alarm 1 Alarm 1 is ac�ve or latched. 1101 01910001B_8 © Servomex Group Limited. 2020...
Page 118 Card is missing or the incorrect type has been ﬁted. 1122 A �me out occurred on the mA card. 1123 mA reset 1124 Volt fault Hardware fault detected. Volt not detected Card missing or the incorrect type has been ﬁted. 1125 © Servomex Group Limited. 2020 01910001B_8...
Page 119 Flow hardware has a temperature fault 1147 Flow cal high diﬀ Zero and normal ﬂow calibra�on points are too far apart Zero and normal ﬂow calibra�on points are too close 1148 Flow cal low diﬀ together 01910001B_8 © Servomex Group Limited. 2020...
Page 120: A.12 System Setup Mapping
Each register provides 2 bytes of data so it takes 2 registers each to store a 4 byte ﬂoa�ng point measurement value. A block of 100 registers is allocated for each transducer to provide the means of supplying the transducer related setup data as follows: © Servomex Group Limited. 2020 01910001B_8...
Page 121 115-116 Hysteresis Float. 117-118 Cross Interference Oﬀset Float. 119-120 Auto validati on Low target Float. Also calibra�on target. 121-122 Low tolerance Float. 123-124 High target Float. Also calibra�on target. 125-126 High tolerance Float. 127-128 01910001B_8 © Servomex Group Limited. 2020...
Page 122 0=None, 1=low, 2=high. Alarm 1 latching 0=No, 1=Yes. 147-148 Alarm 1 level Float. 149-150 Alarm 1 hysteresis Float. Alarm 2 mode 0=None, 1=low, 2=high. Alarm 2 latching 0=No, 1=Yes. Alarm 2 level Float. 153-154 © Servomex Group Limited. 2020 01910001B_8...
Page 123: A.14 System Control
0=deenergised, 1=Energised A.14 System control System control will be provided using a block of coils that can be writen to using func�on code 05. Reading the same coils with func�on code 01 provides status informa�on. 01910001B_8 © Servomex Group Limited. 2020...
Page 124: A.15 Transducer Control
0=Idle, 1=high calibra�on in progress. Write 1 to ini�ate a High calibrate high calibra�on. 0=Idle, 1=Auto val in progress. Start auto val Write 1 to start an auto valida�on/ calibra�on. Stop auto val 0=Auto val in progress and can be stopped, © Servomex Group Limited. 2020 01910001B_8...
Page 125 0= Normal, 1= Service mode. Relay state during service 0= De-energised, 1= Energised. Rem ote s er vice in progress Remote Service in 0= Inac�ve, 1= Ac�ve. Progress Auto validati on Auto valida�on mode 0= Validate, 1= Calibrate. 01910001B_8 © Servomex Group Limited. 2020...
Page 127: Configuring The Modbus Parameters
Figure 97 - Comms Parameters Node address screen so� keys to select the next parameter: 6. Use the 7. Baud Rate, this can be anything 2400, 4800, 9600, 19200 or 38400. Use the so� keys to select the correct value. 01910001B_8 © Servomex Group Limited. 2020...
Page 128: Tcp (Ethernet)
4. Subnet mask, sets the subnet mask for the network. A provisional mask is generated automa�cally by the control unit whenever a new IP address is entered that falls into a diﬀerent class. The mask may then be altered manually if required by clicking so� key. © Servomex Group Limited. 2020 01910001B_8...
Page 129: Figure 101 - Comms Parameters Subnet Mask Screen
IP address of the router connected to the same LAN segment as the unit. The gateway address must be within the local network. Figure 102 - Comms Parameters Gateway address screen 01910001B_8 © Servomex Group Limited. 2020...
Page 131: Display Unit Conversion Factors
Selected display units. † This conversion is not supported. To return to the measurement default units, select the "oﬀ" units selection option and Note: set the units conversion factor to "1": see Section 5.19. 01910001B_8 © Servomex Group Limited. 2020...
Page 133: Appendix Dparamagnetic Correction Factors
For 100% Hydrogen the correction is 0.26, so for 77.8% it is 0.202 For 100% Carbon Dioxide the correction is -0.30, so for 22.2% it is -0.067 So the total correction factor in this case is -0.067 + 0.202 = 0.135 01910001B_8 © Servomex Group Limited. 2020...
Page 134 1 Butyne (Ethylacetylene) –43.50 –0.91 –1.00 -1.03 -1.19 Carbon dioxide –21.00 –0.26 –0.29 -0.30 -0.34 Carbon disulphide –42.20 –0.87 –0.96 -0.99 -1.14 Carbon monoxide –9.80 0.06 0.07 0.07 0.08 Carbon tetrachloride –66.60 –1.58 –1.74 -1.79 -2.06 © Servomex Group Limited. 2020 01910001B_8...
Page 135 Enﬂurane (Ethrane) –80.10 –1.97 –2.17 -2.24 -2.57 Ethane –26.80 –0.43 –0.47 -0.49 -0.56 Ethanol –33.60 –0.62 –0.69 -0.71 -0.82 Ethyl acetate COOC –54.20 –1.22 –1.34 -1.39 -1.59 Ethyl amine –39.90 –0.81 –0.89 -0.92 -1.05 01910001B_8 © Servomex Group Limited. 2020...
Page 136 Hydrogen bromide –35.30 –0.67 –0.74 -0.76 -0.88 Hydrogen chloride –22.60 –0.31 –0.34 -0.35 -0.40 Hydrogen cyanide –14.50 –0.07 –0.08 -0.08 -0.09 Hydrogen iodide –48.20 –1.05 –1.15 -1.19 -1.37 Hydrogen selenide –39.20 –0.79 –0.87 -0.89 -1.03 © Servomex Group Limited. 2020 01910001B_8...
Page 137 –0.45 -0.46 -0.53 Monochlorobenzene –70.00 –1.68 –1.85 -1.90 -2.19 Neon –6.70 0.15 0.17 0.17 0.20 Nitric oxide 1461.00 42.56 42.96 42.94 41.62 Nitrobenzene –61.80 –1.44 –1.59 -1.63 -1.88 Nitrogen –12.00 0.00 0.00 0.00 0.00 01910001B_8 © Servomex Group Limited. 2020...
Page 138 –0.56 –0.62 -0.64 -0.74 Propylene oxide CHCH –42.50 –0.88 –0.97 -1.00 -1.15 iso–Propyl ether CHOCH –79.40 –1.95 –2.15 -2.21 -2.54 Propyl ﬂuoride –52.20 –1.16 –1.28 -1.32 -1.52 Pyridine N(CH) –49.21 –1.08 –1.19 -1.22 -1.40 © Servomex Group Limited. 2020 01910001B_8...
Page 139 Vinyl chloride =CHCl –35.60 –0.68 –0.75 -0.77 -0.89 Vinyl ﬂuoride =CHF –28.80 –0.49 –0.54 -0.55 -0.63 Water –13.00 –0.03 –0.03 -0.03 -0.04 Xenon –43.90 –0.92 –1.02 -1.05 -1.20 Xylene –77.78 –1.90 –2.09 -2.16 -2.48 01910001B_8 © Servomex Group Limited. 2020...
Page 141: Appendix Ematerials In Contact With Sample And Calibration Gases
304 Stainless Steel Chemraz® 555 PTFE Borosilicate glass* 316 stainless steel Pla�num Pla�num / Iridium Alloy Electroless Nickel Pressure Sensor (Extra to above) : None Flowcube Flow Sensor (Extra to above): Zirconia Aluminia Silicate Glass 01910001B_8 © Servomex Group Limited. 2020...
Page 143: Appendix Fdisposal In Accordance With The Waste Electrical And Electronic Equipment (Weee) Directive
(+44) 1892 652181 (+44) 1892 662253 Fax: Global email: info@servomex.com If you send the analyser to Servomex or your local Servomex agent for disposal, it must be accompanied by a correctly completed decontamina�on cer�ﬁcate. 01910001B_8 © Servomex Group Limited. 2020...
Page 145: Appendix Gcompliance And Standards Information
This analyser complies with Part 15 of the US FCC Rules for Class A equipment. It is not suitable for opera�on when connected to a public u�lity power supply that also supplies residen�al environments. 01910001B_8 © Servomex Group Limited. 2020...

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