Instructions
Contents
1. 3 This central unit is intended for the continuous measurement and control of the gases present in the atmosphere 3 ji Selo eiecit 5 Chapter 3 Mechanical Installation 7 MX 43 Central Measurement Unit 7 Beeler 9 Chapter 4 The MX43 Central Unit 11 eI OF ING BE 11 BN Te 15 Alarm and Relay Thresholds cccccccsecceeeeeeeeseeeseeeceueseneeseueeeeeeeeeeseees 18 Name GE 19 Chapter 5 I Digital Modules 21 Addressable Digital Modules ccccccceeeeeeeeeeeeaeeeseeeseeeeseeeseueeaeeeneeeseeees 21 RS485 Transmission E di nano tnt 22 Configuration of COMMUNICATION EE 22 Relay un ele TE 24 e LOGIC IMOUTWIOGUIG c M 26 o Analog Bel ef Oe Le TE 27 EN erte Bei Kur el tee ie ET 28 Table of Contents i MX43 User manual Chapter 6 Wiring and Electrical Connections 31 Central Unit Connection ss 31 e LE lee EE 36 e Ee ie tele WOU EE 36 8 Analog Input Module 37 4 Analog Output Module 37 Chapter 7 L ur 38 General MENU NEEN 38 Navigation Key FUnDCOHOLS xoseiszsdupsdum dues dun iussu b Ped dd dE 38 Display IN MOKMal Mde me t s cie es se 38 Main MEN E 40 EE 40 Bretelle WEE 41 Calla OM E 41 Vue ier 44 IOTOFET dE 44 Chap2. Each of these two terminals Figure18 A may be connected to a voltage free contact as per Figure 34 There is no alarm when the contact is open B Module configuration switches These switches are set according to the following table Term Symbol Slave number See details in the paragraph Module Address on page 26 Num ro esclave Frame filling Factory settings Do not modify Remplissage de trame Delay Factory settings Do not modify Temporisation E O L Resistor See details in paragraph End of line Resistor on page 27 R sistance F D L Table 6 Relay module configuration switches C Relay configuration switches The output status of each relay also depends on the configuration of Positive negative safety set by this switch block Figure 18 C Set the switch to ON positive safety or OFF negative safety according to the safety type desired each switch acts on the relay having the same number switch 1 acts on relay 1 The contacts are represented in silkscreen as voltage free with no alarm in positive safety For the 4 relay module only switches 1 to 4 are active E Programmable relays In its maximum configuration the MX43 can manage 24 external relays or 24 modules with 1 stated relay or 3 modules of 8 all stated relays The relays are programmable indivisually The operation of each relay depends on its configuration Each of the 6 detector events AL1 AL2 AL3 High range excess
3. The following figure shows the general tree of the group of menus 20 8h avg 1 Detector OK System OK See page 44 MAIN MENU 1 SYSTEM 2 PROGRAM 3 CALIBRATION 1 System info 4 MAINTENANCE 2 Passwords D INFORMATION 3 Date and time 4 Display settings 5 Language EBEBC See page 46 1 SYSTEM 2 PROGRAM 3 CALIBRATION 4 MAINTENANCE 5 INFORMATION 1 System info 1 Buzzer ON OFF 1 Detector select 1 Line ON OFF 2 Passwords 2 Tag set 2 Start recording 2 Detector ON OFF 3 Date and time 3 Alarm settings 3 Stop recording 3 Test ON OFF 4 Display settings 4 Validation 4 Simulation 2 Language 5 Sensor exchange 1 Detectors 2 Events 3 Slave info 4 Controller info See page 46 See page 47 See page 48 See page 50 See page 50 ECR 90 91 92 93 94 Figure 41 General menu tree of the MX43 Navigation Key Functions v Vertical displacement in the selected menu block Horizontal displacement between two menu blocks Enter Validation of the selected line Escape Return to previous screen Table 11 Function of the navigation keys Display in normal mode Measurement Display A B C D E F LEL Methane TURBINE GAZ L 100 d ALE LOT M22 ZLEL CH4 CH4 Sh avg 1 8h avg 20 Detector OK Detector OK System Ok System OK P d G H d K Figure 42 Example of the measurement display in normal mode and in inverse video Previous EVIOUS det
4. m Resistance of maximum load 500 Q Logic inputs 2 additional logic inputs dry contacts Connections m Screwed terminals m Connector detachable without cutting the line m Tightening torque 0 5 0 6 Nm m Cable 2 5 mm maximum Consumption m lt 5 M with the 4 lines at stop m lt 36 M for an activated line m lt 130 mA for the 4 activated lines Assembly Snap on on DIN rail Dimensions 125 x 165 x 60 mm 54 MX43 User manual Chapter 11 Index A Alarm Automatic deletion of alarms 18 Manual deletion of alarms 19 Clear doubt 18 OVS 18 Reset 17 Limits 18 UDS 18 B Battery pack 32 C Clear doubt 18 Contextual Keys 19 COMA3 5 General information 5 CR2032 14 D Defect Indicator 17 Digital address module 22 F Flash 17 Front face MX43 15 G General Introduction 3 General Menu Tree 39 E Earthing MX43 33 End of line 23 Electrical connections Module with 16 logic inputs 35 4 relay Module 35 Module with 4 analog outputs 37 Module with 8 analog inputs 36 8 relay Module 35 MX43 31 End of line Resistor 27 External Power Supply 24 V DC 32 I Indicators 17 Integrated Backup Power Supply 32 L LCD 15 Liability Limits 2 Lithium battery 14 Localization 7 M Maintenance Indicator 17 Mechanical Installation 7 Menu General tree 39 Calibration 42 Information 45 Maintenance 44 Main Menu 41 Programming 42 System 41 Menus Navigation
5. 250VAC or 30 V To MX43 To next module DC 2A or previous module Figure 35 4 or 8 relay module connections 7 If this module is the last on the line do not forget to set the switch marked EOL resistor resistance FDL to ON 16 Logic Input Module Supervised contact I E OS upervised contacts 1 27 Bau fo ep The To gt E To MX43 To next module or previous module Figure 36 16 logic input module connections 7 If this module is the last on the line do not forget to set the switch marked EOL resistor resistance FDL to ON 8 Analog Input Module To MX43 To next module or previous module Figure 37 Connections of 8 analog input modules for 1 4 20mA detector with 3 wires explosive gas toxicity detection Wheatstone bridge type To MX43 To next module detector or previous module Figure 38 8 analog input module connections for an explosive gas detection detector of the Wheatstone Brdge CEX300 ou OLC type If this module is the last of the line do not forget to set the jumper marked EOL Resistor to Closed position 4 Analog Output Module Output Output 4 20 mA no 2 4 20 mA no 4 To the next module To MX43 or the previous module Figure 40 4 Analog output module connections 7 If this module is the last of the line do not forget to set the jumper switch marked EOL Resistor FDL resistance to the ON position 7 Menus 37 Chapter 7 Menus General Menu Tree
6. LCD The display shows the measurements or the menus of the parameter setting and an inverse video display indicates that the module that is currently displayed has an active alarm The details of the displays are the subject of the chapter Menus on page 44 6 100 XLEL Methane TURBINE GAZ XLEL CHA 1 SYSTEM PROGRAM Es y 3 CALIBRATION 1 System info 8h avg 1 4 MAINTENANCE 2 Passwords Detector OK 9 INFORMATION 3 Date and time 4 Display settings System OK 5 Language Previous See 4 detector detector Figure 12 Example of a measurement display screen or parameter setting display menu on the left Refer to the paragraph Display in normal mode on page 45 for information about what may be displayed on the screen Contextual Keys B The function of each of the 5 keys indicated in the lower part of the display changes depending on the page displayed Zone Status Indicators C Eight bars of 7 indicators each are displayed on the central unit The 4 bars to the right are not operative on a 4 line MX43 Each bar represents a geographic area of the complete installation and not the 4 or 8 lines of the MX43 Each bar displays the status of the group of detectors of the pertinent zone as follows 4 The MX43 Central Unit 15 16 MX43 User manual A Orange indicator of high range excess OVS overscale high range excess This value is adjustable up to 110 of the range Off The measurement is lower th
7. 4 relays Module Module 8 relays logic input inputs Te 16 logic Analog detectors 4 4 20 mA outputs LIMEN geg a cue a il aici B UE KKH 8 analog r Gen ki SIS Analog recorders EILEEN Figure 2 Example of an MX43 configuration using different analog and digital detectors as well as digital modules 4 MX43 User manual The MX43 Central Measurement Unit Versions The MX43 central measurement unit is available in 3 versions m Wall version 4 lines m Wall version 8 lines m Hack version 8 lines PII L L3 BT n bdo Figure 3 Wall mounted version MX43 left illustration or Rack mounted version right illustration The following table details the possibilities of configuration depending on the type of unit On each line it is possible to connect a 4 20mA analog detector or one or several digitally addressable modules Maximum number of Versions Modules 1 Detectors External Logic inputs Analog relays ouputs 4 lines 16 16 8 16 16 8 lines 32 32 24 32 32 1 Gas detectors 4 or 8 analog output modules and 16 logic input modules Table 1 Summary of the maximum configurations as per the central unit The COM43 Application This is intended for setting the MX43 parameters from a PC in the Windows environment The operation and use of this application is the subject of a specific training course 2 General Introduction 5 6 MX43 User ma
8. Check the nature of the current and the network voltage prior to any connection The electrical connections must be carried out with the equipment disconnected The MX43 must be protected upstream by a differential bipolar circuit breaker with a type D response curve size 4A This cicuit breaker must be included in the 7 Menus 31 electrical installation of the building in the immediate proximity of the MX43 and be easily accessible to operators It shall be marked as the cut off device of the MX43 The sector power shall be connected to the terminal block as indicated in Figure 26 The ground conductor shall be connected to the ground terminal B Figure 26 Connection of sector power in wall mounted and rack versions External 24V DC Power Supply The MX43 can be powered from a 22 to 28 V AC source at 50 3 2 A 1 5 A max In this case connect the 24VDC source to the corresponding terminal jack Figure 26 A respecting polarities This jack is protected by Fuse F1 Figure 27 Connection of 24VDC external power supply A The main power supply charges the internal pack The external 110 240 VAC 24 VDC and battery pack sources can be used simultaneously as there is internal protection installed Integrated Backup Power Supply The MX43 can be equipped with a 24 VDC NiMh battery pack that maintains power to the central unit in the absence of the sector current or external 24VDC The batteries are charged by the main
9. Low range excess Failure can control one or several external or internal relays Several events can be connected to the same relay Setting of relay parameters The alarm limits governing the relays can only be set by the COM43 application Normal Relay operation as per the normal management of an alarm The relay is launched only if the event exceeds the duration of time lapse Buzzer function releasable relays The same as in normal operation with in addition the release of the relay even if the event is still present The time lapses are Duration of maintenance Minimum time of activation adjustable from 0 to 900 seconds Automatic release If activated the time is adjustable between 15 and 900 seconds beyond which the buzzer relay is automatically released Reactivation If checked time is adjustable between 15 and 900 seconds beyond which the buzzer relay is reactivated Controls of the alarm relay Logic equations of up to 4 levels of parentheses by the logic operators OR AND NOR and NAND The result of the equation controls the relay Polling operations x over y There must be at least x events over the total of y to activate the relay Optionally the user may define whether a failure is considered an event in the same category as an alarm F Relay status indicator The status of each relay is visualized by a red LED Figure 18 F m LED off Coil not powered m LED lit Coil
10. Resistor on page 27 R sistance F D L Table 9 Analog output module configuration switches Connection Refer to chapter 6 on page 35 Configuration Configured via the COM 43 application 6 Digital Modules 29 30 MX43 User manual Chapter 6 Wiring and Electrical Connections This chapter details the electrical connections of all the system components MX43 modules additional equipment Central Unit Connection The electrical connections must be carried out by qualified personnel in compliance with the different directives in force in the country of installation f The MX43 does not have a start stop switch Certain voltage levels are capable of causing serious injuries or even death It is advised to install the material and cabling before applying live voltage As an incorrect or poor installation may cause measurement errors or system failures it is necessary to strictly follow all the instructions in this manual in order to guarantee the proper operation of the system Access to terminal blocks In wall mounted version After unblocking the two locks swing the front cover towards the left so as to reach the cabling terminal blocks A In rack version The terminal blocks are cabled from behind the central unit Figure 25 Access in wall mounted version left and rack mounted version right Sector Power Supply The MX43 can be powered from a 110 240 V AC source at 50 60 Hz 1 5 A max
11. alarm AL3 Detector in level 3 alarm OVS Detector in OVS alarm AL1M Detector in alarm set to level 1 mean value AL2 M Detector in alarm set to level 2 mean value ALS M Detector in alarm set to level 3 mean value Table 12 Gas alarm file messages 2 Fault records This displays for each detector concerned event type UDS Under scale RANGE measurement out of range DEF Failure DOUBT clear doubt status activated ON or deactivated OFF as well as the date and time of appearance or release This file cannot be deleted Message Significance UDS The measurement is lower or equal to the value of the UDS programmed DEF Detector failure out of range line cut defective cell etc RANGE Measurement out of range gt gt LEL Concentaration higher than 100 of LEL Table 13 Failure file messages 7 Menus 45 46 MX43 User manual 3 Inputs and relays records This displays for each relay and logic input concerned activated relay input ID type REL relay EL Logic input its status activated ON Deactivated OFF as well as the date and time of occurrence or release Delete allows for the deletion of this entire file Up to 512 events can be memorized Beyond that the most recent event deletes the oldest Previous page Next page and Last page access the corresponding pages of the file Message Significance RELAY Status change of the designated relay INPUT Status change of the des
12. of the alarm c If programmed Table 2 Automatic deletion of alarms Manual deletion of alarms Release resetting by the operator is compulsory The management of alarms relay indicator buzzer is carried out per the following table Message Alarm relay Alarm relay LED alarm Internal screen normal buzzer buzzer Alarm relay normal Appearance AL 1 2 3 Activated Activated Blinking light Activated and inverse video of detector Release AL 1 2 3 Activated in Deactivated Fixed light if Deactivated activated and inverse the presence an event is video of the of an event present detector AL 1 2 3 Deactivated Deactivated Off if an and inverse if the event event video of the disappears disapears detector Disappearan Normal Deactivated Deactivated Off 1 Deactivated ce display 1 1 1 compulsory after manual release Table 3 Manual alarm deletion Internal relays and buzzers The operating mode of relays and optional visual and sound alarms Figure 9 F and G is configured over the COM43 application Relays 5 alarm relays R1 to R5 are common to all the lines The internal buzzer is common to all the alarms of all the lines it is activated on the appearance of an event failure or alarm The common failure relay is active in parallel The sound frequency of the internal buzzer differs in accordance with the alarm threshold High alarm thresholds have a faster sound frequency thus making it possible to d
13. powered G Relay output connectors The normal resistive load of each contact is 2A 250 V AC or 2 A 30 V DC Connection Refer to chapter 6 on page 35 Configuration Configured via the COM 43 application 6 Digital Modules 25 26 MX43 User manual 16 Logic Input Module Function This digital module allows the monitoring of 1 to 16 logic inputs by the MX43 In the 8 line version the central unit can manage a maximum of 32 logic inputs distributed for example either on 32 logic input modules with one input declared per module or on 2 Digital line 16 logic inputs 4 wires modules with 16 logic inputs each Figure 19 Module with 16 logic inputs In the 4 line version the central unit can manage a maximum of 16 logic inputs Introduction Ref Description A Module configuration switches digital address delay and end of line resistor B Power supply and digital network connector C Logic inputs 1 to 16 Figure 20 Module of 16 logic inputs A Module configuration switches These switches are set according to the following table Term Symbol Slave number See details in paragraph Module Address on page 26 Num ro esclave Frame filling Factory settings Do not modify Remplissage de trame Delay Factory settings Do not modify Temporisation E O L Resistor See details in paragraph End of line Resistor on page 27 R sistance F D L Table 7 Configuration switches of t
14. scale low range excess This value is adjustable from 0 10 of the range Off The measurement is higher than the UDS value programmed Lit The measurement is lower than the UDS value programmed The alarms of the relays are activated in accordance with the programming In parallel the display indicates UDS resetting is automatic once the failure disappears FAULT Orange failure indicator Off No failing module or detector Fixed light Communication problem with one of the modules or invalid detector measurement that is to say either below 10 of the range or above 110 of the range Blinking light Central unit in maintenance mode test calibration The Failure reset is automatic once the failure disappears POWER Green start stop indicator for the detectors modules of the zone Off All the detectors of the zone are stopped Fixed light At least one of the detectors of the zone is working Blinking The information details of one of the detectors modules of the zone are actually displayed on the LCD screen Flash and siren D and E Siren Figure 11 D Located in the upper portion of the box the siren is optionally available solely in the wall mounted version It is always discontinuous and is configured via the COM43 application Flash Figure 11 E Located in the upper portion of the box the Flash is optionally available solely in the wall mounted version It is configured via the C
15. to the selection See 4 detectors See 1 detector Display in normal mode Figure 40 Curve Display of the measurement curves of the last 4 hours Figure 41 The 2 and keys allow cursor displacement through the time scale The vertical dotted line displays the concentration and time stamp of the point being considered Escape return to display of values H Information on the detector status J Information on the MX43 status K Zone of indication of activated alarms with blinking threshold display The screen changes to inverse video Figure 40 screen on the right 0 100 KLEL Methane TURBINE GAZ 22 Figure 39 Example of a curve display screen 7 Menus 39 ECR 10 Main Menu This displays all the management menus of MX43 Figure 40 Main menu System m System Info m Passwords Date and time m Display settings m Language 40 MX43 User manual 1 SYSTEM 2 PROGRAM 3 CALIBRATION 1 System info 4 MAINTENANCE 2 Passwords D INFORMATION 3 Date and time 4 Display settings D Language Displays the version of the program the bootloader internal micro software for loading the program and the configuration as well as software application verifications The central unit is protected by two access codes both set at 1000 by default upon leaving the factory You can change the passwords in this menu via COMAS The passwords are required each time you enter one of the menus that t
16. 0 Output module 4 relays with 2 additional logic inputs 24 Output module 8 relays with 2 additional logic inputs 24 Module with 8 analog inputs 26 Module with 16 logic inputs 25 Module with 4 analog 4 20mA outputs and 2 additional logic 27 inputs Table 4 Addressable digital modules 5 Digital Modules 21 22 MX43 User manual Earthing terminal MX43 RS485 Transmission General Topology of RS 485 Network The digital modules are linked by 2 twisted cable pairs of 4 x 0 22 m minimum type MPI 22A nominal resistance of 120 Ohms This cable carries the RS485 A and B signal on one pair and the power supply of the modules 0 24 VDC connected to the line on the other pair Shielding necessarily links all the modules to the terminal block of MX43 The 24 VDC OV A B terminals are respectively connected to 24VDC OV A B terminals of the other modules on the line and then to the connector of the corresponding line on the central unit The cable shielding must be connected to the grounding rod of the MX43 At the end of the busbar the 120 Ohm end of line resistor EOL RESISTOR RESISTANCE F D L must be activated whatever the last module For protection against any electromagnetic disturbances the data as well as screen wires or braids must be cut as short as possible A No portion of the bare end of the terminal wires should be visible Figure 14 Principle of connecting modules to a MX43 l
17. 0mA range etc from the selected detector s following or in view of a change of cell Detector Selection 1 Select the detector s to be rebooted with the help of the Previous detector and Next detector keys and press Selec Detector Rebooting 1 Press Escape to launch the reboot of the selected cells 2 Proceed next to the changing of the cell and then to a calibration of the corresponding detectors via the menus 1 Sel detectors 2 recording End recording and 4 validation 7 Menus 43 A4 MX43 User manual Maintenance Access Successively press the keys Menus and Maintenance 1 Line On Off Sets the line to stop the line is not powered and the detectors are at stop no event can be generated from then on 2 Detector On Off Sets the detector to stop no event can be generated from then on if it was not issuing an alarm or failure 3 Test On Off Allows for the verification of the proper operation of a detector In this mode recordings and alarm relays are suppressed 4 Simulation Upon its selection the message The central unit no longer ensures detection is displayed o The central unit no longer keeps account of inputs detectors logic inputs o The simulation measurements status are initialized to the current measurement status values The relays the internal buzzer and the analog outputs remain in their current status o The screens management of relays outputs etc are t
18. 3 central unit injuries loss of time financial or material loss or any direct or indirect consequence of loss occurring in the context of the use or impossibility of use of the product even in the event that Industrial Scientific Oldham has been informed of such damage Chapter 2 General Introduction Purpose of the MX43 Central Measurement Unit This central unit is intended for the continuous measurement and control of the gases present in the atmosphere Wall mounted MX43 Rack mounted MX43 8 relay modules and 4 4 20 mA output modules Figure 1 Wall mounted MX43 and examples of the modules The system primarily comprises mg a wall mounted MX43 4 or 8 lines or rack mounted MX43 8 lines m different modules detector with digital or analog output logic inputs analog inputs relay outputs and analog outputs The MX43 instantly handles the measurements of detectors and input modules As soon as the measurements reach the programmed limit a sound and visual alarm are given At the same time the corresponding relay or relays are activated in turn controlling the additional internal or external actions envisaged by the user The measurement unit is programmed by using the COMAS application Figure 2 presents a configuration example 2 General Introduction 3 MX43 Configuring PC with the COM43 application External power supply Liaison Baker s USB 2 logic inputs Digital detectors Module
19. 43 Figure 6 Size of the rack version 8 MX43 User manual Digital Modules The cabling is the subject of the paragraph Connection of digital modules on page 26 Location Each detector is positioned at the ground level on the ceiling at the height of the respiratory tract or near air extraction ducts depending on the density of the gas to be detected or applied Heavy gases are detected close to the ground while lighter gases are present along the ceiling If necessary contact Industrial Scientific Oldham for any questions regarding proper detector positioning Fixing The detectors shall preferably be positioned in an accessible place to facilitate the operations of inspection and maintenance as well as the absolute safety of the operators The detectors must not be obstructed by anything that will prevent them from measuring the ambient environment to be checked If mounting an OLCT1ON on a vertical surface position the cable gland downwards Other models Location The relay modules logic outputs analog outputs and analog inputs are positioned depending on the installation layout mandatorily in places free from explosive atmospheres protected from humidity dust and temperature variations for example in technical cabinets Fixing These modules shall be mounted on a DIN rail in a cabinet or in an electrical cabinet For relay modules connected to low voltage electrical parts the installation is c
20. Consumption 3 5 mA in normal operation Connections m ocrewed terminals m Connector detachable without cutting the line m Tightening torque 0 5 0 6 Nm m Cable 2 5 mm maximum Logic inputs 2 additional logic inputs dry contacts Assembly Snap on on DIN rail Dimensions 125 x 165 x 60 mm 16 Logic Input Module Function Logic input monitoring Capacity 1 to 16 logic inputs dry contacts Connections m ocrewed terminals m Connector detachable without cutting the line m Tightening torque 0 5 0 6 Nm m Cable 2 5 mm maximum Consumption 2 mA in normal operation Assembly Snap on on DIN rail Dimensions 125 x 165 x 60 mm 8 Analog Input Module Function 4 20mA detector or Wheatstone bridge connections Capacity 1 to 8 independent inputs 11 Index 53 Connections m Screwed terminals m Connector detachable without cutting the line m Tightening torque 0 5 0 6 Nm m Cable 2 5 mm maximum Consumption 53 mA max detector excluded Operating temperature 8 bridges 30 8 bridges up to 1 km AOC 8 bridges up to 500 m 4 bridges 45 4 bridges up to 1 km 50 4 bridges up to 500 m Assembly Snap on on DIN rail or mounted on the inside of MX43 Dimensions 125 x 165 x 60 mm 4 Analog Output Module Function Generation of 1 to 4 analog values Capacity m 4 independent opto isolated outputs 4 20mA recopy detector minimum maximum or average of a detector group
21. DIN NPM43GB Revision F 1 a A a G ALARMI ALARM ALARM z At E Lu TH JDDG MIS lebslelslels SEET ele fe felt ele le felt e ale fe felt ebe feele Le Dale Le let FAULT POWER 001008 T ki MX43 Central Digital and Analog Measurement Unit User Manual EE TEN OLDHAM An Industrial Scientific Company The Fixed Gas Detection People Copyright 2011 by Industrial Scientific Oldham S A S English version Edition July 2010 revision 0 All rights reserved The reproduction of all or any section of this document in any form whatsoever without the written permission of Industrial Scientific Oldham S A S is forbidden The information contained in this manual is accurate to our knowledge As a result of continuous research and development the specifications of this product may be modified at any time without prior notice Industrial Scientific Oldham S A S Rue Orfila Z Est BP 20417 62027 ARRAS Cedex Tel 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 E mail info oldhamgas com Website http www oldhamgas com Table of contents Chapter 1 I General Information 1 Yser Ent BEEN 1 Symbols USEC WE 1 Safety ln Ee de 2 Iagteiei ART HATORMAUON WEE 2 AD EN bi 2 Chapter 2 General Introduction 3 Purpose of the MX43 Central Measurement Unit
22. OM43 application The technical indicators F and G These two indicators reflect the status of the MX43 4 Green general start stop indicator denoting the power supply status Fixed Correct power supply Off No power supply Blinking Power supply problem absence of power in the sector or problems in the internal battery pack Failure maintenance orange indicator Off No failure detected Fixed light Presence of some failure central unit detector communication memory The alarm goes off automatically on the clearing of the failure Blinking light MX43 in maintenance mode test calibration Alarm reset Key H Pressing this key has the effect of releasing the internal buzzer and the alarms that it enables This key has the same function as the remote release key that is possibly connected see paragraph on the Remote release connector on page 39 Zone Identification J and K Draw the tab Figure 11 K to enable the input Figure 11 in J of terms for the zones E Q 6450000 60430000 Q93990P O09099 00900908 o09000 P 9 A A D ALARM ALARM AL Ab CH n V B V EA pov dd Figure 13 Drawing of the tab 4 The MX43 Central Unit 17 18 MX43 User manual Alarm and Relay Thresholds Alarm thresholds relay programming the management of time delays and methods of release are controlled over the COM43 application Note It is possible to modify an alar
23. a maximum of 8 lines Message Significance ON MX43 on live voltage OFF MX43 off voltage Self testing failure Failure of internal tests Other messages Contact Post Sales Service Table 17 System incidents file messages 3 Slave info These data enable maintenance technicians to visualize the communication framework between MX43 and the digital modules 4 Controller info These data allow technicians to visualize MX43 counters set to zero since the last zero setting 7 Menus 47 Chapter 8 Main Part number Description Reference MX43 4 line central unit wall mounted version 6 514 886 MX43 8 line central unit wall mounted version 6 514 884 MX43 8 line central unit rack version 6 514 885 Module with 8 analog inputs 6 314 061 Module with 8 analog inputs for Wheatstone bridge or 6314 063 4 20mA detector 4 analog input PCB 6 314 085 Module with 4 analog outputs 6 313 980 Module with 16 logic inputs 6 313 964 Battery pack 6 311 104 8 Principal References 48 Description Reference Image 4 relay module 6 313 962 8 relay module 6 313 963 Flash and buzzer kit 6 314 066 11 Index 49 Chapter 9 Certificate of Compliance OLDHAM DECLARATION DE CONFORMITE CONSTRUCTEUR gege geng Manufacturer Declaration of conformity The Fixed Gas Detection People La Soci t Industrial Scientific Oldham Z1 Est 62000 Arras France atieste que Je mat riel neuf d sign ci apres est conforme aux exige
24. an the OVS value programmed Lit The measurement is higher than the OVS value programmed The alarm relays are activated in accordance with the program In parallel the display indicates gt OVS resetting is done manually and is only possible if the value measured drops below the programmed value Management of Clear doubt The Clear doubt alarm is only applicable to the detection of explosive gases in a range of 0 100 LEL and is subject to the decision of the operator Upon the detection of a concentration of gas higher than 100 LEL the LCD indicates a measurement blocked at 100 LEL and the message gt 100 LEL The message Strong concentaration Resetting by a person authorized in the maintenance menu is displayed The OVS and FAILURE indicators are activated The alarm can only be deactivated by stopping the detector via the maintenance menu once the gas level decreases below this limit ALARMS Red indicators of alarm status ALARM2 Off Measurement lower than the threshold defined ALARM1 Fixed light At least one of the gas detectors has an active alarm The release is programmed in automatic mode or has already been requested by pressing the Alarm reset key on the front face Blinking light At least one of the gas detectors has an active alarm The release is programmed in manual mode The alarm relays are activated in accordance with the programming v Orange indicator of low range excess UDS Under
25. arried out per the standards in force Figure 7 Fixing of a module relay logic outputs or analog outputs or inputs on a DIN rail 3 Mechanical installation 9 10 MX43 User manual Chapter A The MX43 Central Unit Overview of the Unit External view z BAAT Popit GH J K L M N Rep Function Rep Function A Monochromatic backlit graphic H Failure maintenance indicator display B Zone 1 status indicator J Contextual soft keys C Zone 2 status indicator K Alarm release key D Integrated siren option L Free identification of zones E Integrated flash optional M Strip for locating zones FE Lock N Handle G Start Stop indicator Figure 8 External view of the wall mounted and rack mounted versions 4 The MX43 Central Unit 11 12 MX43 User manual Internal motherboard view A B Kr nun nu PULL Le EE N TIT ee CDE FGH E WE CC Ee ran Enn yar bre Ers EK oO CoE yy rEZ ee w amp Q p R Figure 9 Internal view of the wall mounted version top and rack mounted version bottom Ref Function A LED digital communication status indicators The information displayed by each red green diode pair of a line is interpreted as follows LED Status Significance Red Green Fast blinking Fast blinking Normal functioning of the line Irregular blinking Blinks 1X sec Off Irregular blinking Off Off Tx communication request R
26. cated soft touch key Limits Parameter setting by COM43 application Indicators 6 status LEDs per line high and low range excess Alarm 3 Alarm 2 Alarm 1 failure Internal relay 5 completely programmable relays configuration in positive safety or normal mode over COM43 1 failure relay non modifiable RCT contact on each relay Nominal load of contacts 250 V AC 2A or 30 V DC 2 A resistive load Output at screwed terminals Maximum admissible cable diameter 2 5 mm Measurement Lines Digital lines 8 maximum RS485 Modbus 9600 Bauds Industrial computer cable 2 shielded twisted pairs 1 for the line and 1 for communication adapted to 120 Ohms Analog lines 8 maximum Input range 4 to 20 M Load resistance 120 Ohms Analog transmitter cable 2 or 3 shielded wires Nominal voltage 21 to 28 V on external DC Maximum current 500 mA available per line 11 Index 51 52 MX43 User manual Total maximum current 2 4 ACC or 3 2 A per peak for lines Total power available as Room T x 200 68 W per temperature Room T 20 to 30 55 W Room T 30 to 40C 41 W Room T 40 to 50 27 W Cables outputs only for wall mounted version m 12 PE M16 for cables of 4 to 8 mm m 6 PE M20 for cables of 6 to 12 mm Insulation 1500 V AC power digital network Output On screwed terminals Maximum admissible conductor section 2 5 mm Electrical characteristics AC powe
27. ce without prior notice The present instructions and their content are the inalienable property of Industrial Scientific Oldham Symbols used Icon Significance This symbol indicates useful additional information This symbol indicates This equipment must be connected to ground This symbol denotes Protective earth terminal A cable of the adequate diameter Must be connected to ground and to the terminal having this symbol This symbol denotes Attention In the present mode of use failure to adhere to the instructions preceded by this symbol can result in a risk of electric shock and or death This symbol indicates You must refer to the instructions European Union and EEA only This symbol indicates that this product must not be discarded with household waste as per the EEA directive 2002 96 CE and the regulations of your respective country It must be disposed of at a collection point that is reserved for this purpose for example an official site for the collection of electrical and electronic equipment EEE in view of their recycling or a point of exchange for authorized products that is accessible when you acquire a new product of the same type 1 General Information 1 2 MX43 User manual Any deviation as regards these recommendations for the disposal of this type of waste can have negative effects on the environment and public health as these electric and electronic products generally conta
28. e RCT dry contacts nominal resistive load of 2 A at 250 VAC and 2 A 30 V DC of the 6 internal relays R1 R2 R3 R4 R5 and Default are deployed on the backplane board of MX43 on the R1 R2 R3 R4 R5 and Default connectors Figure 31 Internal alarm relay connectors A Figure 31 Internal alarm relay connectors A Connect the external equipment to the control on terminal jacks R1 to R5 contacts no alarm once the MX43 is powered will depend on the purpose of the relay configuration positive or negative safety The relays are programmed via the COM 43 application Remote Release Connector If necessary connect the RELEASE dry contact NO terminal to a remote release system Figure 32 Remote release connection A Flash and Siren Control Connector This connector powered at 24VDC by the MX43 allows power supply for a rotating light and a siren optionally available for the MX43 in wall mounted version In the rack version these connectors may be taken over to power a sound alarm 24VDC 19mA max and a visual alarm 24 VDC 40 mA max Ensure to match the polarities Sounder Sounder Flash Flash Figure 33 Flash and siren i connector A Figure 34 Location of the flash and siren connector A 7 Menus 35 36 MX43 User manual 4 or 8 Relay Modules Supervised contact 0006ccecececcoocoococcoo Is 24 V ll Le 4 or 8 output contacts et Er RTC
29. ector detector ECR_06_08 38 MX43 User manual Ref Significance Barograph with an indication of alarm limits Measurement range gas detected and detector language A B C Value of the current measurement with the unit and gas detected D Value of the average measurement if the programming was carried out via the COM 48 application E Indicator of measurement trend be Ascending tendency p Descending tendency F Address of digital detector on a digital line or channel number for a analog detector G Function keys m Previous detector Display of measurements of previous detector scanning of all the detectors on all the lines m Next detector Display of measurements of next detector scanning of all the detectors on all the lines m Menu Display of main menu See paragraph Main menu on page 46 See 4 Detectors Display of a group of 4 detectors detector tag barograph with indication of alarms value of current measurement with unit and gas detected Use the Page down or Page up keys to display all of the next 4 detectors passage to the next zone is automatic See 8 Detectors Display of a group of 8 detectors detector tag value of current measurement with unit and gas detected Other buttons similar to the selection See 4 detectors See 16 Detectors Display of a group of 16 detectors detector tag value of current measurement with unit and gas detected Other buttons similar
30. gnal varies depending on the input m Deactivated The 4 20mA signal is Digitale blocked at 0 mA whatever the input See 4 analog outputs signal 4 20 mA Figure 23 Principle 4 analog output module Several analog values may be associated to the same 4 20mA output authorizing the management of minimums maximums or averages from a group of detectors This module likewise has 2 logic inputs Introduction Ref Description A A Connector for 2 logic inputs B Power supply and digital network connector C Module configuration switches digital address delay and end of line resistor D Push button Pressing this button generates 20mA current in the output of each line E E1 to E4 opto isolated independent 4 20mA analog outputs F F1 to F4 20mA calibration in line output B C DE1 F1 F2 E2E3F3 F4 Ed Figure 24 4 analog output module A Logic input connectors Each of these two terminal jacks Figure 24 A may be connected to a voltage free contact in accordance with Figure 38 Input status is transmitted by the digital line to the MX43 C Module configuration switches These switches are set according to the following table Term Symbol Slave number See details in paragraph Module Address on page 26 Num ro esclave Frame filling Factory settings Do not modify Remplissage de trame Delay Factory settings Do not modify Temporisation E O L Hesistor See details in paragraph End of line
31. h material incident detected incident ID status activated ON or deactivated OFF as well as the date and time of occurrence or release of the event Previous page Next page and Last page allow access to the corresponding pages of the file each page can display a maximum of 8 lines Message Significance DEAD Digital module no longer responding line cut module failure wrong address module absent MODUL Configuration or module address error TEMP Internal temperature of the MX43 higher than maximum tolerated value TEMP Internal temperature of the MX43 lower than maximum tolerated value BAT Switching to external power supply LINE 1 Incident on line 1 short circuit LINE 2 Incident on line 2 short circuit LINE3 Incident on line 3 short circuit LINE4 Incident on line 4 short circuit LINE 5 Incident on line 5 short circuit LINE 6 Incident on line 6 short circuit LINE7 Incident on line 7 short circuit LINE 8 Incident on line 8 short circuit CALO Calibration defect zero shifted CALS Calibration defect used cell CALF Calibration defect cell oversensitive CAL D Calibration defect measurement unstable Table 16 Material incidents file messages 6 System troubles records This displays the events relative to MX43 operation power failure fluctuation On Off etc Previous page Next page and Last page allow access to the corresponding pages of the file each page can display
32. he Logic input module C Logic input connectors Each of these 16 inputs can be connected to a voltage free contact as per Figure 35 Input status is transmitted by the digital line to the MX43 There is no alarm when the contact is closed Connection Refer to chapter 6 on page 35 Configuration Configured via the COM 43 application 8 Analog Input Module Function This digital module enables the monitoring of 8 analog 4 20 mA or Wheatstone bridge inputs 8 analog inputs Digital line 4 wires Figure 21 8 analog inputs Introduction Ref Description A Jumper of configuration 4 20mA or a ile he Wheatstone bridge Pon x H Lm Sensitivity calibration Zero calibration EJ B C D Measuring point of each line E Reference 1 2 V for bridge calibration F Start stop input switches not used always in ON position Lug OV for 4 20mA calibration i ill T G H PCB configuration switches digital K L M N address delay Figure 22 Module of 8 analog inputs J Inputs no 1 to 8 4 20mA or Wheatstone bridge as per A K Filament current calibration factory setting L 4 20mA division strap in case of parallel operation of several analog detectors on the same line application parking M Power supply and digital network connector N End of line resistor jumper raised position EOL resistor connected E Module configuration switches These switches are set according
33. hey protect First level password Authorizes access to the Calibration menu Second level password Authorizes access to the Programming Calibration and Maintenance menus This password is also required before menu data are deleted Time stamp settings year month day hour minute second Static Display frozen on a selected detector Cyclic Examines each of the detectors connected every 2 seconds With screensaver Displays screensaver logo after a period of inactivity without key movement Without screensaver Displays the measurements continuously Selection of the display menu language ECR 12 Program Buzzer On Off Activates or deactivates the internal buzzer of the MX43 m Tag set Allows for the modification of detector tags previously programmed via COM43 m Alarm settings Allows for the modification of detector alarms previously programmed via COM43 Calibration AN If the measurement cell has changed it is important to declare this through a menu no 5 Cell change 1 Detector select This menu enables the selection of detectors to be calibrated calibration from MX43 or on the detector A B Display of information described by the COM 43 application i e measurement range gas detected current detector ID and its type Display for the current detector Last passed calibration Date and time of the last calibration carried out and completed Last sensor replace
34. hose of Normal operation o The internal relay and the common default LED are activated a To change the value of a detector use the WV keys to increase or decrease the measurement value simulated from 15 to 115 For a logic input use the lt gt keys to select the input W to select Alarm or Alarm Off o The banner of alarms does not appear o The events log indicates Begin Simulation and End Simulation o Exit the simulation mode by pressing the End simul key Automatic release then occurs and resets the average values to zero The current measurements are displayed once more Information 1 Detectors This displays the main information on the detector type range detected gas 2 Events 1 Alarm events This displays for each of the detectors concerned detector ID alarm type Al1 Al2 Al3 Allmean Al2mean Al3mean OVS status activated ON or deactivated OFF as well as the date and time of occurrence or of the release The letter S appears on the line if the events were obtained when the MX43 was in simulation mode Delete deletes all the data Up to 512 events can be memorized Beyond that the most recent event deletes the oldest Previous page Next page and Last page access the corresponding pages of the file Alarm events 98 01 10111 40 01 Previous page Figure 43 Example of gas alarm files Message Significance ECR 20 AL1 Detector in level 1 alarm AL2 Detector in level 2
35. ignated input Table 14 Relay and logic input file messages 4 Working conditions records This displays the actions carried out on the MX43 simulation mode calibration mode programming mode release request operation on internal battery as well as the date and time of beginning and end of the event Delete allows for the deletion of this entire monitoring file Up to 512 events can be memorized Beyond that the the most recent event deletes the oldest Previous page Next page and Last page allow access to the corresponding pages of the file each page can display a maximum of 8 lines Message Significance Lines On Off Start or stop the line Detectors On Off Start or stop the detector External ack Press the external acknowledgement button MX43 ack Acknowledgement by the acknowledgement button on the front face of MX43 Simulation Switch to simulation mode Calibration At least one of the detectors is selected in calibration mode Test detectors Switch to test mode Program Programming done on MX43 Time settings Time settings on MX43 Line 1 On Off Start or stop line 1 Line 2 On Off Start or stop line 2 Line 3 On Off Start or stop line 3 Line 4 On Off Start or stop line 4 Line 5 On Off Start or stop line 5 Line 6 On Off Start or stop line 6 Line 7 On Off Start or stop line 7 Line 8 On Off Start or stop line 8 Table 15 Operation monitoring file messages 5 Hardware troubles records This displays for eac
36. iguration program COM43 in the central unit m During module replacement all the configuration switches of a new module must be positioned in the same configuration as those of the the previous module m The 6 switch FRAME FILLING REMPLISS TRAME must be set to OFF and the 7 switch DELAY TEMPORISATION must be set to ON options unused m An analog input module systematically takes 8 addresses End of line Resistor Solely for the last module of each line set switch no 8 EOL ON ON ON ON ON ON RESISTOR RESISTANCE F D L to ON or set co viede the jumper of the analog input PCB to a Closed LL m e E n Lu Ire RESISTANCE F Figure 16 End of line resistor switch in position ON 6 Digital Modules 23 24 MX43 User manual Relay modules Function This digital module available in two versions allows for the management of m 1 to 4 relay outputs m Or 1 to 8 relays In addition it has 2 logic inputs Digital line 4 or 8 output relays ROMA CRT 250 VAC 2A Figure 17 8 relay module Introduction Ref Description A Connector for 2 logic inputs B Configuration switches of the module digital address delay and end of line resistor C Switches for relay configuration D Power supply and digital network connector E Programmable relay 4 or 8 F Relay status indicator G Connection terminal Figure 18 8 relay module A Logic input connectors
37. in substances that can be dangerous Your full cooperation in the proper disposal of this product promotes a better use of natural resources Safety Instructions Labels intended to remind you of the principal precautions of use have been placed on the unit in the form of pictograms These labels are considered an integral part of the unit If a label falls off or becomes illegible see to it that it is replaced The significance of the labels is detailed below The installation and electrical connections must be carried out by qualified personnel according to the instructions of the manufacturer and the standards of the authorities competent in the field Failure to adhere to the instructions can have serious consequences on the safety of persons Absolute strictness is required above all as regards electricity and assembly coupling network connections Important Information The modification of the material and the use of parts of an unspecified origin shall entail the cancellation of any form of warranty The use of the unit has been projected for the applications specified in the technical characteristics Exceeding the indicated values cannot in any case be authorized Liability Limits Neither ndustrial Scientific Oldham nor any other associated company under any circumstances can be held liable for any damage including without limitations damages for loss or interruption of manufacture loss of information defect of the MX4
38. ine An incorrect installation of the cables or cable glands can cause measurement errors or a malfunctioning of the system Do not lay the cables close to equipment such as engines transformers or lines generating important magnetic fields It is recommendable to always ensure a distinct separation between these cables and the cables of other circuits Configuration of Communication Module Address All the digital modules on a line must be identified by a unique address Switches 1 to 5 of the configuration block of each module make it possible to establish an address number 1 to 32 in binary mode In the illustration to the right the address 9 10010 has been defined The Adaressing Table below lists the possible combinations Figure 15 Switches of address configuration S Uus ul Do DE i SLAVE NUMBER Switches ON 1 OFF 0 Swiches On 1 OFF 0 M odule Address O O O O O O O O O O O O O O O 52 O om 72000000 off O ak 1 2 3 4 5 6 7 8 9 LUV qe ipt oS cC N I 1 sch nm CO O O CH O1 O O or oO o o O O a a mu a O O O O a al a O O O O O O O a O O a O O a O oO a 2a o EE Oo CH CH Table 5 Addressing table address depends on switch positions Remarks m The physical address of a module 1 to 32 must be identical to the address stated on the conf
39. istance of 120 Ohms Analog channels For an analog 4 20mA detector connected directly on the MX43 channels please connect the detector like below is the 4 20mA signal 0 and 24V correspond to the power supply MX43 terminal block for channel connexion Figure 30 4 20mA detector connected directly on the MX43 channels 7 Menus 33 34 MX43 User manual Please see below the figure for the motherboard with position for channel connexion and relays 24VDC ov FUSEF2 Saunder LOC BAT d Sounder FUSEF1 Flash EXT 24VOC Flash Lina Lure Linos Lines Lineu Bottom Board MX43 me ON Da A LE Line 6 Jn Ex Ya o s s FSS CENT ECY 20 af lev Ivy DANI Pn i way im inv 24v AT1F Line 1 i Line 3 6151575 A Figure 30 MX43 Motherboard Internal alarm relays The MX43 has 6 relays of the following internal alarms Output Function R1 Relay of freely programmable function R2 Relay of freely programmable function R3 Relay of freely programmable function R4 Relay of freely programmable function R5 Relay of freely programmable function Failure Non programmable common relay in positive safety activated upon the presence Default Of a failure in the MX43 detector and or module increased internal temperature transition to power supply from the backup battery pack system anomaly etc The deletion of this relay is automatic Table 10 Internal alarm relays Th
40. istinguish the alarm level The internal buzzer can be deactivated by the internal programming menu or the COM43 application Note The failure relay cannot be programmed via the COM43 application but is activated on the occurence of a failure Name Plate The name plate is attached on the right side of the MX43 It contains the following information Function and type of equipment Precautions of use Alternative voltage supply frequency rating of protective fuse nominal power Continuous voltage supply frequency rating of protective fuse nominal power Symbol of destruction and danger Product reference and serial number manufacturer logo Version 4 or 8 lines 4 The MX43 Central Unit 19 Communication A digital RS485 Modbus output is available The manual is pending Please contact Oldham at info oldhamgas com for further information 20 MX43 User manual Chapter 5 Digital Modules This chapter presents the digital modules that may be installed on the lines of MX43 The details of module connection are given on page 26 Digital modules are configured via the COM43 application Addressable Digital Modules These modules are connected on each of the available 4 or 8 lines of the MX43 up to a limit of 32 modules on a version of 8 lines or 16 modules on a 4 line version The following table regroups the available modules Type of module Illustration Digital gas detector OLCT10N OLCT8
41. keys 39 Module with 16 analog inputs Caracteristics 54 Introduction 26 Electrical connections 35 4 relay Module Electrical connection 35 Module with 4 analog outputs Introduction 28 Electrical connections 37 Module with 8 analogic inputs Caracteristics 54 Introduction 27 Electrical connections 36 8 relay Module Electrical connections 35 Module with 8 analog outputs Caracteristics 55 N Navigation Key Functions 44 P Programming switch 14 R Remote Release 39 References 49 Relay Module Introduction 24 RS485 topology 26 S Safety instructions 2 Sector Power Supply 31 Detector module Fixation 9 Localization 9 Siren 16 T Technical specifications 51 The MX43 Central unit General information 5 11 Index 55 Garanty Plus Points To respond quickly and efficiently to your consultancy needs or order tracking throughout the world via our customer service department To respond as rapidly as possible to all questions of a technical nature Quality To assure you of the best quality of our products and service in conformity with the international standards and directives in force Inspection and Reliability To provide you with reliable equipment The quality of our production is an essential condition for this reliability This is guaranteed by virtue of very strict checks that are carried out when raw materials come in both during the course of and at the end of manufacture al
42. l equipment that is sent out is configured to your individual requirements Commissioning If required to commission your equipment by our Ism ATEX qualified specialists Training To provide detailed training programs Project department Our team will investigate all gas and flame detection projects via on site investigations or from drawings We can suggest pre project studies design installation and maintenance of safety systems in ATEX or non ATEX zones with full respect of all standards in force Maintenance contract To suggest rolling maintenance contracts tailored to your needs in order to guarantee you maximum safety e One or more annual visits including consumables Renewable by agreement Including adjustment of fixed or portable gas detectors and inspection of control systems On site repair To rapidly send our Service Technicians to you This is possible on account of our hubs in France and abroad Factory repair To deal with any problem that cannot be resolved on site by dispatching the equipment back to the factory Teams of technicians will work on repairing your equipment as quickly as possible thereby reducing the time spent out of commission to a minimum Cost efficient replacement solutions are available if equipment is deemed not repairable For all After Sales Service in France contact us by email at servicecenter oldhamgas com Or by telephone at 33 0 3 21 60 80 80 For locations near you please visit u
43. m limit via the Programming menu of MX43 Parameters of Detector alarms It is possible to program the following for each detector m 3 alarm thresholds m Each value is configurable in increasing or decreasing values m Each alarm is configurable as an instantaneous and or average alarm of 15 to 480 minutes m Each alarm has an adjustable lag of 0 to 3 or 3 for a negative alarm for the value of the range of measurement by pitch steps of 1 m Ahigh range excess alarm OVS over scale m UDS low range excess alarm UDS underscale m A clear doubt alarm in the case of explosive gas detectors The alarms may be programmed for automatic or manual release except OVS UDS and clear doubt Automatic deletion of alarms The release resetting of alarms does not require any intervention The management of alarms relays indicators buzzer is carried out according to the following table Alarm relay Alarm LED alarm Internal normal Relay buzzer buzzer Appearance AL 1 2 3 Activated Activated Fixed light Activated and inverse video of the detector Press alarm AL 1 2 3 Activated Deactivated Fixed light Deactivated reset and inverse video of the detector Disappearan Normal Deactivated Deactivated Off a ce display a Manual release compulsory to stop the internal buzzer b Automatic deactivation upon the disappearance of an alarm even if no release has been requested before the disappearance
44. ment Date and time of last cell change Wear rate Relation between the value of the standard gas and the value read sensitivity measurement A wear rate in excess of 100 entails a sensor replacement Display of the address digital detector or line number analog detector to which the detector is connected Selecting the detectors to be calibrated Select one or several detectors using the previous detector or next detector keys On pressing the Select key press Cal gas to enter its value by means of the 1 keys Validate by pressing Enter Note Only analog detectors that are not equipped with a local display can be calibrated from the MX43 central unit For the other detectors the menu Gel Detector only makes it possible to put them in calibration mode so that they do not activate alarms during their manual calibration Press Escape to launch the procedure of recording the measurements on the detectors to be calibrated Proceed to paragraph 2 Recording Display the calibration gas 7 Menus 41 A B C 01 M22 080110 06 49 42 080110 06 49 42 15 SELECTED Calibrate controller CAL G S SOXLEL Previous Next detector detector D E ECR 14 Figure 41 Example of the Select detectors screen 2 Start Recording m Yes Launches the recording of calibration measurements for the selected detectors From this moment onwards all the calibration measurements are recorded for these de
45. microcontroller PCB A B Rep Function A Connector for USB key future function Allows the loading of data from the MX43 to the PC values measured history etc or from the PC to the MX43 transfer of settings updating of software loaded in MX43 storage of measurements B LCD graphic display card O USB port for programming MX43 Program or modes selector 0 Normal operation of MX43 Transfer of settings information from PC to MX43 Transfer of settings information from USB port to MX43 Updating of the internal software of MX43 from a PC MX43 restarts automatically pe rf ome Updating of the internal software of MX43 from a USB port MX43 restarts automatically A Once the parameter setting or the update of the central unit is completed always reposition the selector to position 0 E CR2032 lithium battery Safeguards the preservation of the records and real time clock in case of total power failure Autonomy of approx 450 days with the power off At each battery change power the MX43 F Microcontroller PCB G Regulating LCD contrast H Microcontroller zero reset button Press this button to reset the central unit Figure 10 Internal view of the wall mounted version microcontroller PCB and display 14 MX43 User manual Front Face This has the following aspect A Boo D E A C FG H J K Figure 11 Front face of the MX43 in wall mounted and rack mounted versions
46. nces des Directives Europ ennes The Company Industrial Scientific Oldham Z w 62000 Arras France declares that the new material comply with the requirements of the following European Directives 2 CENTRALE DE MESURE MX43 CONTROL UNIT MX43 1 Directive Europ enne Basse Tension DBT 2006 95 CE du 26 d cembre 2006 Ihe European Directive Low Voltage LYD 2006 93 of 26 December 2006 Normes Harmanis es appliqu es EN 61010 1 Harmonised applied Standards Normes Harmonis es appliqu es EN 50270 Type 2 Industriel Harmonised applied Standards Type 2 Industrial Rapport d essais n DRA 10 114353 06167A T Juin June 2010 E D livr par INERIS rue Taffanel 60550 2 Issued hy Verneuil en Halatte France m C Arras 26 07 2010 Lionel Witrant t WW Te e S Industrial Scientific Oldham E ub 4 1 EST BLP 20417 LO 62027 ARRAS Cedex FRANCE e Tel 33 321 G0 KO RU Brooram Manager Fax 33 3 21 0 RO DO I VERSION 2000 10 Index 50 Chapter 10 Technical Specifications MX43 Central Unit Function Central measurement unit with multiple channel alarm Number of lines 4 or 8 as per model Display and indicators Display Back lit graphic LCD Status indicators 7 LEDs for each of the 8 lines or 56 LEDs 1 live voltage indicator for the central unit 1 general failure indicator Selection 5 multifunction soft touch keys Alarm release Dedi
47. nd gt keys Press Zoom up to the activation of the Zero command Adjust the position of the cursor so as to make the OK appear in turn indicating that the range selected is sufficiently stable 3 Press 4 to select the term Zero 4 Confirm the zero calibration by pressing Validate zero 5 he term Sens for sensitivity is active from now on If sensitivity is not to be calibrated press and END to the message Do you only want to calibrate zero for the detector press Validate calibration Only the zero calibration of the detector will have been carried out If sensitivity is to be calibrated proceed directly to the following paragraph Sensitivity calibration 1 The Sens command is active 2 Select the area of interest of the curve with the and gt keys Press Zoom up to the activation of the command Sens If applicable adjust the position of the cursor so as to make the OK appear in turn indicating that the range that has been selected is sufficiently stable 3 Confirm the sensitivity calibration by pressing Validate Sens Hecord the calibration 1 The message Do you want to validate zero and detector sensitivity is displayed Press Validate calibration to confirm the adjustment of zero and sensitivity or Esc to exit the procedure 2 The detector is calibrated 5 Sensor exchange This function reboots the parameters rate of wear calibration date internal parameters corresponding to the 4 2
48. nt The time delays are Duration of maintenance Minimum time of activation adjustable from 0 to 900 seconds Automatic release Time adjustable between 15 and 900 seconds beyond which the buzze Reactivation Time adjustable between 15 and 900 seconds beyond which the buzzer relay is reactivated Alarm Relay Controls Logic equations of up to 4 levels of parentheses by the logic operators OR AND NOR NAND The result of the equation controls the relay i eil Polling Operations x over y There must be at least x events over the total of y to activate the relay Optionally the user may define whether a failure is considered an event in the same category as an alarm Alarm relay terminal block CRT contacts 250 V AC 2A or 30 V DC 2 A Integrated siren optional Power supply sector block Integrated flash optional Microcontroller PCB Area of 12 6 cable glands connections towards the exterior Ground rod and bundle of shielded cables for digital and analog connections Terminal block for lines 1 to 8 or 1 to 4 as per version Refer to the Digital lines paragraph on page 37 Connector for the connection of a remote release dry contact NO Power supply sector input Protective secondary ground connection USB connector for connection with the PC supporting COM43 application Programming switch CR2032 lithium battery 4 The MX43 Central Unit 13 Wall mounted version View of a
49. nual Chapter 3 Mechanical Installation This chapter details the mechanical installation of MX 43 and the digital modules MX 43 Central Measurement Unit Location The MX43 shall be installed in premises without explosive atmospheres away from direct sunlight exposure and protected from humidity dust and temperature variations It shall preferably be located in a place under supervision guardhouse control room or instrument room for example Attachment of the wall enclosure Access to the central unit must be ensured in the front in order to facilitate adjustments monitoring and cabling A space of 400 mm is necessary in front of the MX43 for opening the door DENAT rear fixing legs included Figure 4 Size of the wall version 3 Mechanical Installation 7 Use 2 fixing screws 4x25 mm for fixing the support of the case 135 mm EM PN 0040006 662006005 6646600 0040006 0040006 0010006 2272299 0010006 Figure 5 Fixing of the wall mounted version MX43 with a support plate Setting up of a 19 Rack 4U Access to the unit must be ensured in order to facilitate adjustments and monitoring and likewise in the back in order to allow easy access to the different connectors at the rear This rack is built into a bay or a standard 19 cabinet A free space of U 22 mm shall be provided for above and below the rack so as to assure the proper ventilation of the MX
50. r supply m 100 to 240 V AC 50 60 Hz m Maximum input current 1 5 A m Maximum consumption 230 VA DC power supply m 21 to 28 V DC m Maximum input current 3 2 A m Maximum consumption 112 VA Mechanical characteristics Installation m Wall mounted version on special screwed support m Rack version Cut out of 177 x 437 mm Dimensions m Wall mounted version 370 x 299 x 109 mm m Rack version 482 8 x 177 x 192 5 mm 19 4 U See Figure 4 and Figure 6 Weight m Wall mounted version 4 0 kg m Rack version 2 0 kg Protection level m Wall mounted version IP55 m Rack version IP 31 Locking m Wall mounted version by 2 locks with a key m Rack version none Environmental characteristics Conditions of use Temperature of use 20 to 50 as per power used cf preceding page Storage temperature 20 to 50 Humidity 5 to 95 relative humidity Standards Electromagnetic as per EN50270 industrial type 2 compatibility ATEX 60079 29 1 and EN50271 current Low voltage directive as per EN61010 CSA as per C22 2 no 152 current Relay Module Function Management of 4 or 8 relays from the digital signals issued by the MX43 Number of relays m 4 or 8 relays m CRT outputs Relay type m Bistable m Configuration in positive or negative safety by mini switches m Setting of relay parameters by COM43 application Nominal load of contacts 250 V AC 2 A or 30 V DC 2A resistive load
51. s at indsci com and click on the Oldham Division OUR MISSION Preserving human life on above and below the earth Delivering highest quality best customer service every transaction every time FRE OLDHAM An Industrial Scientific Company The Fixed Gas Detection People EUROPEAN PLANT AND OFFICES Z Est rue Orfila B P 20417 62027 ARRAS Cedex FRANCE Tel 33 3 21 60 80 80 Fax 33 3 21 60 80 00 Web site http www oldhamegas com AMERICAS ASIA PACIFIC EUROPE Tel 1 412 788 4353 Tel 65 6561 7377 Tel 33 3 21 60 80 80 Fax 1 412 788 8353 Fax 65 6561 7787 Fax 33 3 21 60 80 00 info indsci com sales isc cn com info oldhamgas com
52. s supply 110 240 VAC The battery pack requires continuous charging for 7 days before reaching its maximum capacity Its autonomy depends on the MX43 configuration If the battery pack is not installed at delivery proceed as follows 1 Position and fix the battery pack A at the place indicated using the 4 screws supplied 2 Connect the battery pack connector to the connector B of the PCB A failsafe slot impedes any connection error AK B Figure 28 Positioning the battery pack 32 MX43 User manual Earthing The MX43 is intended to be used in the parts of installations corresponding to the category of overvoltage II and pollution degree 2 as per EN IEC 60947 1 In order to comply with this category of protection it is absolutely necessary to connect the ground terminal Figure 26 Grounding at site Moreover the cable braids of the digital lines shall also be connected to this ground rod Figure 29 Ground connection through the ground rod 9 A Figure 29 Ground connection through the ground rod Digital lines The cabling of the digital lines connecting the central unit to the different modules deployed along the lines are the subject of the paragraphs OLCTION Modules 4 or 8 relay modules 16 logic input modules 8 analog input modules and 4 analog output modules of this same chapter It should be remembered that this cable comes in 2 twisted pairs of 4 x 0 22 m minimum type MPI 22A nominal res
53. tectors Start recording is then displayed The calibration of the detectors with the help of the standard gas can begin For a detector in which the cell has been changed it is important to adjust the detector locally to obtain a 4 20mA output corresponding to the detector range For detectors connected to the analog input module perform the adjustments directly on the module cf page 26 Attention During calibration the standard gas must be injected for at least thirty seconds m No Exits the recording procedure 3 Stop recording m Yes Detector calibration having finished this validates the end of calibration measurement recording for the detectors previously selected From this moment onward no calibration measurement is recorded Stop recording is then displayed m No Exits the end of the recording procedure 4 Validation This allows the adjustment and validation of zero and detector sensitivity once calibration is completed o 100 LEL Methane TURBINE GAZ OLCT100 LO1 M22 0 100 XLEL Methane DLCT100 LOT M22 t e Confirm ESE L Ki d Figure 42 Adjustment of zero left and sensitivity right 42 MX43 User manual Operating mode Detector selection 1 Select the detector to be calibrated with the help of the Previous detector and Next detector keys and press Validate Zero calibration 1 The Zoom command is active 2 Select the area of interest of the curve with the a
54. ter 8 I Principal references 48 Chapter 9 I Certificate of Compliance 50 Chapter 10 Technical Specifications 51 eS nirigin 51 Relay MOGUIG 53 T6 Lodic Input el EE 53 SANU Input ee UE 53 A gt Analog Input Oe Te TEE 54 Chapter tt RA ON cete 55 Chapter 1 General Information User Manual The instructions given in this manual must be read thoroughly before installation and start up particularly those concerning the points related to the safety of the end user This user manual must be made available to every person involved in the activation use maintenance and repair of the unit The information technical data and diagrams contained in this manual are based on the information that is available at a given time In case of doubt contact Industrial Scientific Oldham for additional information The aim of this manual is to supply simple and accurate information to the user Industrial Scentific Oldham cannot be held liable for any misinterpretations in the reading of this manual In spite of our efforts to produce an error free manual it may nonetheless contain some unintentional technical inaccuracies In the client s interest Industrial Scientific Oldham reserves the right to modify the technical characteristics of its equipment to increase their performan
55. to the following table Term Symbol Slave number See details in paragraph Module Address on page 26 Num ro esclave Frame filling Factory settings Do not modify Remplissage de trame Delay Factory settings Do not modify Temporisation E O L Resistor See details in paragraph End of line Resistor on page 27 R sistance F D L Table 8 Analog input module configuration switches 6 Digital Modules 27 28 MX43 User manual Connection Refer to chapter 6 on page 35 Configuration Configured via the COM 43 application Note related to manual calibration of the detectors connected to an 8 analog input module 1 Zero calibration Inject standard gas to obtain 4 mA Place the multimeter between points E and D Figure 22 If the value measured is different from 0 V adjust C 2 Sensitivity calibration After injecting the gas place the multimeter between points E and D Figure 22 If the value measured is different from 1 6 V adjust B Should the adjustment value be different calculate V mA x 0 10 V mA Example If the current is 12 mA V must be equal to 0 8 V If the point E is not on the module use the G spot and add 1 2V to the measurement 4 Analog Output Module Function This digital module delivers 1 to 4 independent analog values 4 20 mA outputs opto isolated from the values given by the MX43 capable of being independently activated or deactivated m Activated The 4 20mA si
56. x response of digital module s Bad communication quality with at least one module Communication failure Absence or failure of line modules A communication failure is signaled by the activation of the internal buzzer the presence of the orange failure indicator and via the default relay No digital module active on the line d VE LE ES i SISICI IHID v o vizigir im t c Optional 24 VDX NiMH battery pack Terminal block for the analog card power supply Connector for the direct current external supply Battery fuse 4A and external power supply 21 to 28 VDC 3 2 to 4 A max Connector for Internal siren 24 VDC 19mA max Sounder and Sounder terminals Internal flash 24 VDC 40 mA max Flash and Flash terminals Relays of alarms from high to low Failure R5 R4 R3 R2 H1 Failure Non configurable failure relay R1 to R5 Configurable alarm relays Corresponding LED indicator Lit when relay is under voltage Setting of alarm limits The alarm limits governing relays R1 to R5 can only be set via the COM43 application The silkscreen image represents relays offline Relays R1 to R5 can be configured in positive or negative safety Programming via COM43 in Normal mode Operation of the relay as per the normal alarm management the relay is rel Buzzer mode The same as as in normal operation with in addition the possibility of releasing the buzzer relay even if the event is still prese
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