MX 32 Controller User Manual (English)
Contents
1. Confirm the zero by pressing ENTER N N N 26 MX 32 Instruction Manual Sensitivity settings a Inject the calibration gas 60 I h at sensor level and wait for signal stabilization Confirm the entry in the sensitivity settings by 1 5 pressing ENTER Display of the current value XF setting the The icon is displayed The yellow indicator of the corresponding channel blinks the channel relays are blocked If necessary display other than the value of the calibration gas adjust the sensitivity by moving the sensitivity potentiometer corresponding to the appropriate channel Figure 4 ref Q for Channel 1 or ref P for Channel 2 Confirm the sensitivity by pressing ENTER Caution never confirm without having injected gas and completed the settings at the risk of false triggering Saving calibration Press to select Yes The completed calibration will be saved to select No The changes will be abandoned and the old calibration will be saved Confirm by pressing MENU ENTER Return to measurement display The screen will display the current measurement 4 Operating instructions 27 Preventative maintenance Action or result Illustration a The CAL indicator blinks Selecting the channel to calibrate Press ENTER to confirm The Channel 1 icon blinks indicating Channel 1 has been selected2. Caution when the measurement is above or equal to 100 LEL Configuration transfer curve 0 to 30 0 oxygen The following curve demonstrates the controller response in terms of values measured and treatment of faults as a function of the value of the input current delivered by the detector In the case that the user connects a non Oldham brand detector to the MX 32 controller the user must ensure that the transfer curve is compatible with the input characteristics for the controller so that the information delivered by the detector will be properly interpreted In addition the controller must provide sufficient supply voltage taking into account voltage drops in the cables Display in oxygen volume 36 0 i 30 0 0 0 i Signal delivered by 60 the detector 0 8 4 20 23 2 mA Figure 11 Configuration transfer curve 0 to 30 oxygen Power supply and resistance characteristics a Maximum current available between terminals 2 and 3 250 mA under 19 V s Maximum voltage without load between terminals 2 and 3 30 V Resistance outside of the intrinsic safety barrier between terminals 1 and 2 47 ohm Markings OLDHAM Arras C 0080 1 2 G INERIS O4ATEX0064 8 Particular specifications 41 42 MX 32 Instruction Manual AO OLDHAM The Fixed Gas Detection Experts EUROPEAN PLANT AND OFFICES Z l Est rue Orfila CS 20417 62027 ARRAS Cedex FRANCE Phone 33 0 3 21 60
3. LCD Information Ref Function See page A Indicator for alarm threshold rising 13 B Indicator that Channel 1 is selected See Figure 2 ref D 14 C Digital indicator measurement value alarm threshold value etc 13 D Indicator that Channel 2 is selected See Figure 2 ref D 14 E Percent symbol 18 F Negative sign G Indicator for alarm threshold falling 18 H Symbol indicating level 1 alarm threshold AL1 activated 18 J Symbol indicating level 2 alarm threshold AL2 activated 18 K Time delay after calibration blocking the relays the yellow LED blinks 18 and the icon is displayed L A Maintenance key icon is displayed while the programming and 18 calibration menu is being used View Internal _ Tee SS ET a 5 5 s x r O TA Os tel ADS gt a OT er p gt N z i 7 __ y x W V WEE EXPLO 34 mA TE EXPLO aonia A E ee EXPLORADA R Q i E iat er LE D e Fra N urale Figure 4 Internal view 2 General Introduction 5 Ref Function See page A Configuration jumper J03 for Fault relay settings 10 m Up position Fault relay contact closed in alarm mode Down position Fault relay contact open in alarm mode F7 Fuse 5x20 250 V AC 2 A T with 24V DC power supply 8 WW F9 Fuse 8 m 5x20 250 V AC 160 mAT with 230 VAC power supply m 5x20 250 V AC 315 mA T with 115 VAC power supp
4. To select Channel 2 press The Channel 2 icon blinks indicating Channel 2 has been selected Zero settings Confirm the channel to calibrate by pressing ENTER Display of the current value 0 XO zero settings The icon is displayed The yellow indicator of the corresponding channel blinks the channel relays are blocked Make sure that the air is clean if not using a test kit inject air at the level of the detector at a flow rate of 60 I h then wait for stabilization of the signal If the display is a value other than zero adjust the zero measurement using the or buttons N Sensitivity settings a Inject the calibration gas 60 I h at sensor level and wait for signal stabilization Confirm the entry in the sensitivity settings by 1 pressing ENTER Display of the current value 0 XF sensitivity settings blinking icon The C icon is displayed The yellow indicator of the corresponding channel blinks the channel relays are blocked If necessary displayed value other than the value of the calibration gas adjust the sensitivity by using the or buttons N 28 MX 32 Instruction Manual Confirm the sensitivity by pressing ENTER Caution never confirm without having injected gas and completed the settings at the risk of false triggering Saving calibration Press to select Yes The complet
5. are not pressed the display will return to cyclic display of the two measurement channels if in use Cyclic display of the 2 measurement channels Action or result Illustration Press AND together The alternating display cyclic of the 2 measurement channels is now activated No display of measurements after manual display Action or result Illustration Display is presented as shown in the illustration seen opposite cyclic display Press AND together he measurements disappear and are replaced by dashes The MX 32 controller continues to monitor the sensor s but the display is hidden 1 2 1 2 No display of measurements after cyclic display Action or result Illustration Alternate cyclic display of the 2 measurement 4 5 channels a Press AND together 4 Operating instructions 15 he measurements disappear and are replaced 1 5 by dashes The MX 32 controller continues to monitor the sensor s but the display is hidden Navigating the menus Reminder for security reasons only trained personnel with access codes are authorized to use the menus listed below To quit a menu at any stage press the and buttons together Viewing the menus Action or result Illustration Press the e button MENU ENTER Request for access code Note the first number is blinking If there is a
6. 80 80 Fax 33 0 3 21 60 80 00 Web site http www oldhamgas com AMERICAS ASIA PACIFIC EUROPE Phone 1 713 559 9280 Phone 86 21 5899 3279 Phone 33 321 608 080 Fax 1 281 292 2860 Fax 86 21 5899 3280 Fax 33 321 608 000 americas oldhamgas com info oldhamgas com info oldhamgas com
7. Three options are suggested at purchase a MX 32with 2 measurement channels dual a MX 32with 1 measurement channel dual 1 extension card to add on to a 1 channel controller The MX 32 controller will automatically recognize the number of measurement channels installed display Channel 1 2 CALE Figure 7 the 2 measurement channels for the controller Sensors The sensors must be connected to points C1 C2 and C3 onthe 12 point connector for each channel card as indicated on the wiring example on page 10 Wheatstone bridge 3 active wire explosive gas detectors a C1 mid point signal s C2 detector filament C3 compensator filament 3 Installation and wiring 9 10 MX 32 Instruction Manual 4 20 MA 2 active wire sensors transmitters a C1 signal return to ground a C2 not connected C3 positive power supply 24 Volts 4 20 MA 3 active wire sensors transmitters a C1 signal return to ground C2 power supply 0 Volts C3 positive power supply 24 Volts Note For each family of sensors on the measurement channel circuits Programming will be carried out by Oldham programming circuit pads programming circuit Explo 340 mA or 4 20 mA will be inserted on the mounting by the manufacturer Figure 4 ref S and T Alarm relays The MX 32 controller uses two alarm relays per measurement channel which correspond to two instant pre pr
8. is strictly prohibited Limitation of liability Neither Oldham nor any other affiliated organization shall be held liable under any circumstances for any damage whatsoever including without limitations damages for loss of production interruption of production loss of information controller failure personal injury loss of time money or materials or for any indirect or consecutive consequence of loss occurring during the use of the product or the inability to use the product even in the event that Oldham had been informed of such damages Chapter 2 General Introduction Subject The MX 32 controller is intended for light units that do not require an electrical cabinet The MX 32 measurement and alarm controller can measure 1 or 2 channels independently Each channel is linked to one or more sensors installed in the locations being monitored The measurement from the sensor is displayed on the MX 32 controller and compared to the alarm thresholds In the event that the measurement exceeds the threshold the controller activates the relays which can be used to control external components View Front internal The MX 32 controller is composed of the following components A wall mounted enclosure ref A equipped with a terminal cover ref F a faceplate ref C and a transparent hinged cover ref D a power supply board analog ref E display card microprocessor ref B A B C D Figure 1 Ov
9. maintenance 33 Calibration Gas detectors are safety devices Accordingly OLDHAM recommends regular testing of fixed gas detection installations This type of test consists of injecting a standard gas of sufficient concentration into the sensor to set off the pre adjusted alarms This test does not in any event replace a full calibration of the sensor Frequency of gas testing depends on the industrial application in which the sensors are used Inspection should occur frequently during the months following installation start up later it may be spaced out if no significant problem is observed If a detector does not react upon contact with gas it must be calibrated Calibration frequency should be adapted based on test results However it should not be greater than one year Safety Procedures The site manager is responsible for implementing the safety procedures on his site Oldham is not responsible for implementing safety procedures Refer to the Menu Initialization paragraphs page 23 Do not forget to complete a system start up after changing the sensor by using the INI menu Menu Initialization INI paragraph on page 23 Fuse replacement Replacement of the fuses should only be performed by a qualified professional The fuses in use must conform to CEI 127 regulations time delayed low breaking capacity 250 V AC power source Please see the following paragraph Parts Fuse F7 2A T 250 V AC Versio
10. o 7 sv RAG S A 7 5 q ly G 2 Ey X The AL1 and AL2 relays can be programmed as energized or de energized factory settings i out The fault relays are energized Shared fault indicator BS on Fy M EW A1 The contact relays are available on the NO or NC terminals according to the position of the switch next to each relay Capacity to cut the power to relays 120 VA 30W resistive use a relay with external power SR AER Figure 8 MX 32 controller with 1 explosive sensor on Channel 1 and dual explosive sensors on Channel 2 3 Installation and wiring 11 CE Pee oe NO NN G m Contact alarm DO Channel 2 Fuse or Contact alarm circuit breaker Channel 1 Grounding sector OV DC 24 V DC Telephonicl Tothe telephone line The ALT and AL2 relays can be programmed as energized or de energized factory settings The fault relays are energized The contact relays are available on the NO or Gas valve closed NC terminals according to the position of the when power is cut off switch next to each relay 5 Capacity to cut the power to relays 120 VA 30W resistive use a relay with external power source if necessary s Shared fault indicator or AS Figure 9 MX 32 controller with 1 explosive sensor on Channel 1 and 2 parking CO sensors on Channel 2 maximum of 5 loop connected sensors 12 MX 32 Instruction Manual Ch
11. response within one minute the unit will return to normal mode Enter the first digit of the code Press x to decrease the number Press to increase the number Press ENTER to confirm the number Proceed to the next stage for each of the other 3 numbers in the code Final display of the access code Confirm the code by pressing ss MENU ENTER The menu flashing PRG Programming is displayed See page 18 for instructions on using this menu Press U to display the CAL menu Calibration See page 23 for instructions on using this menu 16 MX 32 Instruction Manual Press UX to display the INI menu Initialization Start up See page 25 for instructions on using this menu Press C U to display the COD menu Access Code See page 30 for instructions on using this menu Press LU to display the BUZ menu Buzzer See page 31 for instructions on using this menu Press the and f buttons at the same time to quit the list of menus without activating them Menu Confirmation Action or result Illustration Display the desired menu by following the instructions described in the above paragraph Press le MENU ENTER to confirm the menu to be used Exiting a menu escape Action or result Illustration a While using a menu it is possible to exit by pressing AND together The scr
12. together Caution the settings operations in this paragraph are reserved for authorized trained personnel because they may compromise detection reliability The user must refer to the gas detector manual for calibration of detectors The only way to verify the accuracy of the detection function of the sensor s linked to the MX 32 controller is through calibration using a test gas Gas detectors are safety devices Accordingly Oldham recommends regular testing of fixed gas detection installations This type of test consists of injecting a standard gas of sufficient concentration into the sensor to set off the pre adjusted alarms This test does not in any event replace a full calibration of the sensor Oldham also recommends completely calibrating detectors with a known and certified concentration of gas every 3 or 4 months Frequency of gas testing depends on the industrial application in which the sensors are used Inspection should occur frequently during the months following installation start up later it may be spaced out if no significant problem is observed Time intervals between tests should not exceed 3 months If a detector does not react upon contact with gas it must be calibrated Calibration frequency should be adapted based on test results However it should not be greater than one year Oldham recommends using a test gas to calibrate detectors The site manager is responsible for implementing the safety proced
13. user Manual or automatic clearing for increasing or decreasing values as programmed a visualization with red indicator output relays alarms 1 and 2 a 2 independent alarm relays per channel energized or de energized programmable by the manufacturer a 1 relay with energized disturbance open or closed contact configurable for all the relays using a switch 2A 250 VAC 2A 30 VDC 4 electroluminescent diodes a buzzer alarm sound level to 50 cm 72 to 74 dB to 100 cm 66 to 68 GB m 1 OLC 10 combustible gas detector or 2 OLC 10 TWIN detectors for the detection of methane butane propane in boiler rooms and LPG CNG or H2 in parking lots m 1 OLCT 10 combustible gas detector for the detection of methane butane propane in boiler rooms and LPG CNG or H2 in parking lots 1 to 5 detectors also OLCT 10 for the detection of CO NO and NO2 Cable length 1 5 mm diameter Operating conditions Ambient temperature Storage temperature Humidity Certifications ATEX Directive 94 9 EC Low Voltage Directive Electromagnetic Compatibility EMC Directive a Wheatstone bridge 300 m max per channel a 4 20 mA 2000 m max per channel 10 to 55 C 10 to 45 C 5 to 95 non condensing category 3 G for metrology in the detection of explosive gases EN 61779 1 and 4 in Zone 2 in compliance with EN 61010 1 10 in compliance with EN 50270 06 Chapter 8 Particular Spec
14. Installation and MX 32 Operating Manual 2 CHANNEL CONTROLLER a OLDHAM The Fixed Gas Detection People Reference NPM32FR Revision B MX 32 Instruction Manual Copyright 2013 by Oldham All rights reserved Reproduction in any form in whole or in part without the express written consent of Oldham is strictly prohibited The information contained within this manual is true and correct to the best of our knowledge Due to ongoing research and development the specifications of this product may be changed at any time without notice Oldham Rue Orfila Z Est CS 20417 F 62027 ARRAS Cedex Phone 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 MX 32 Instruction Manual Table of Contents Chapter 1 General Information 1 The User S CCS a atheists Sale Seaside Serine besa at 1 SVIMDOIS US ES LR dd mt he ee 1 Safety Warnings iii 2 IMP OTHANEIMTONMNANO MESSE ho ok be ec ee etat ee 2 EMIT tite a Me IGIOIILY ozs nie cee chacvan E Moe is Nc Ne a eee Ae 2 Chapter 2 General Introduction 3 SUD ECT r na eo ee 3 VEW FEON E oe nememe er can n 3 VIEWS F ONI eeecce ru no a oo 4 BG DA AUTO dagrehi Clg a TM te tn et tree verte ie ene nee eet nee 5 SALEM eg al Ce AAlE nn ne na ee ay ee eee nain 5 Chapter 3 Installation and Wiring sceceeeeeeeeeeeeeee 7 MOUNTAG ANE CONMTOMST ss nn nan 7 NATION Eee E O en nn me 8 Chapter 4 Operating instructions 13 DIS DANS RS RD a
15. a maximum diameter of 2 5 mm Refer to the wiring examples beginning on page 11 Power The MX 32 must be protected upstream by a differential bipolar circuit breaker The response curve must be type D Power supply 115 VAC 230 V AC Differential bipolar circuit 2x2A 2x1A breaker caliber The cable used must have a minimum diameter of 1 5 mm and a maximum diameter of 2 5 mm2 There are two options for transformers suggested for use as a power supply for the MX 32 Bobbin transformer standard default Toric Transformer for connecting special sensors such as flame sensors etc Power supply 230 V AC The sector power supply must be wired to the two terminals marked P orange and N blue Figure 4 ref E on the 12 point terminal block for the power supply card also see the wiring example on page 11 Protection is provided by fuses F8 and F9 160 mA 250 VAC Figure 4 ref C and ref D Power supply 115 V AC Protection is provided by fuses F9 and F8 315mA 250 VAC Figure 4 ref C and ref D Power supply 24 V DC Must be connected to the terminals marked 0 grey and 24V orange on the 12 point terminal block for the power supply card Figure 4 ref F as indicated by the wiring example on page 11 Protection is provided by fuse F7 2A 250 VAC Figure 4 ref B Measurement Channels The MX 32 controller can be equipped with one or two adjustable and dual measurement channels see Figure 7
16. all mounting of the enclosure are indicated on the back 137 10 198 Figure 6 drilling dimensions for mounting the controller with three M4 screws 3 Installation and wiring 7 8 MX 32 Instruction Manual Wiring Li Before installing the controller cut off the power supply Also refer to the Particular Specifications chapter on page 39 The controller is intended for use in installation areas that meet Class II overvoltage requirements and Degree 2 pollution requirements The electrical connection must be Performed by a specialist and conform to current regulations in force Compliant with NF C 15 100 Verify the current and the grid power supply the grid power supply must correspond to the supply indicated on the controller front plate The operating voltage is configured at the factory f The MX 32 does not have an on off switch Certain power supplies can cause serious or fatal injury All installation and wiring should be performed before turning on the power supply Incorrect installation can lead to measurement errors or system failure all instructions in this manual must be followed carefully to guarantee proper system operation Ground Connection Protection The controller must be connected to a functional ground connection The ground terminal yellow Figure 4 ref J is indicated with the following symbol gt The cable used must have a minimum diameter of 1 5 mm and
17. apter 4 Operating instructions Displays Indications for start up Action or result Illustration Current version of the software and buzzer test Access code for menus currently programmed Display of current ALT threshold for channel 1 Simultaneously the AL7 and Fault channel 1 indicators light up Display of current AL2 threshold for channel 1 Simultaneously the AL2 and Fault channel 1 indicators light up Display of current ALT threshold for channel 2 Simultaneously the AL1 and Fault channel 2 indicators light up Display of current AL2 threshold for channel 2 Simultaneously the AL2 and Fault channel 2 indicators light up Time delay in minutes for 1 stabilization time for the measurement channels During this time the two yellow DEF fault indicators are lit up 1 Time is factory set 4 Operating instructions 13 14 MX 32 Instruction Manual Cyclic display of the measurement channels Note The display alternates between the measurements of each of the activated channels the unit and gas being detected is displayed Temporary display of a measurement channel Action or result Illustration select the channel to be displayed Press x to display Channel 1 OR press to display Channel 2 Display of the measurement for the channel selected OF One minute later if the z or buttons
18. ct Oldham for additional information This manual is designed to provide users with simple and precise information Oldham shall not be held responsible or liable for any misinterpretation that may result from the reading of this manual Although every effort is made to ensure accuracy this manual may contain unintentional technical inaccuracies On behalf of its clients Oldham reserves the right to modify the technical characteristics of its equipment without notice to improve product performance This user manual and its contents are the inalienable property of Oldham Symbols used Icon Meaning This symbol indicates useful additional information This symbol indicates This equipment must be grounded This symbol indicates Safety grounding terminal A cable of adequate diameter must ground any terminal with this signal This symbol indicates Caution In the current operating mode failure to adhere to the instructions preceding this symbol can result in a risk of electric shock or death This symbol indicates Please refer to the instructions Double isolation 1 General Information 1 2 MX 32 Instruction Manual European Union and EEA only This icon indicates that in accordance with Directive DEEE 2002 96 EC and with the regulations of your country this product may not be disposed with household waste Dispose of this product at a collection site intended for electrical waste for exam
19. e unit of measurement Press or La 4 to display a list of the units huh Soe 4 LIE PPM PPB UEG C BAR MG Confirm by pressing MENU ENTER Selecting the measurement scale The screen will display for example Press to modify the first digit of the measurement scale Confirm by pressing MENU ENTER Use the same method for the other digits Confirm by pressing MENU ENTER Defining the AL7 alarm threshold The alarm threshold indicator lights up Figure 2 ref F and the screen will display for example a increasing alarm 0 ALI alarm 40 current value for the alarm threshold MAN see next step Press or to define the first digit of the rt en Sean Confirm by pressing MENU ENTER Use the same method for the rest of the digits for the threshold Defining the direction increasing decreasing for AL7 alarm In this example the display indicates 4 increasing alarm a increasing alarm icon blinks 0 ALI alarm 40 current value for the alarm threshold MAN see next step lo proceed directly to the next step press ore nla als Press or Li to define the AL1 alarm rene A 4 Operating instructions 19 a increasing alarm v decreasing alarm Confirm by pressing MENU ENTER Defining alarm acknowledgment manual automatic lo proceed directly to the next step p
20. ed calibration will be saved to select No The changes will be abandoned and the old calibration will be saved Confirm by pressing MENU ENTER Return to measurement display he screen will display the current measurement 4 Operating instructions 29 30 MX 32 Instruction Manual Cod Menu Access code A To quit a menu at any stage press the and buttons together Action or result Illustration a The COD indicator blinks Press ENTER to confirm Defining the code he current code is displayed The first digit blinks Enter the first digit of the new code using the or 3 buttons Confirm the first digit by pressing J ENTER Proceed to the next stage for each of the other 3 digits in the code Saving the new code Press to select Yes The new code will be saved to select No The changes will be abandoned and the old code will be saved Confirm by pressing MENU ENTER Return to measurement display The screen will display the current measurement Buz Menu Buzzer Action or result Illustration The BUZ indicator blinks Press ENTER to confirm Defining the buzzer action The ON or OFF icon blinks depending on the current buzzer configuration a Select On or Off On the buzzer will be activated in the case of alarm or a fault Press OFF t
21. een will display Recording lt necessary press x to select No Confirm by pressing MENU ENTER Return to normal measurement display The screen will display the current measurement 4 Operating instructions 17 PRG Menu Programming A To quit a menu at any stage press the and buttons together This menu allows the user to program measurement channel configurations such as Action or result Illustration The PRG indicator blinks Selecting the channel to be programmed Confirm by pressing MENU ENTER The Channel 7 icon blinks indicating Channel 1 has been selected To select Channel 2 press The Channel 2 icon blinks indicating Channel 2 has been selected N N Confirm the channel to be programmed by pressing MENU ENTER ON blinks The icon is displayed The yellow fault indicator Figure 2 ref N for the corresponding channel blinks The alarm relays for the channel are blocked Start up or stopping the channel Activating or deactivating the channel deactivates the channel channel stopped J activates the channel channel in operation Confirm by pressing MENU ENTER 18 MX 32 Instruction Manual sean the gas to be detected Press to display a list of the gases sence Then use A to display the other gases again Confirm by pressing MENU ENTER ps th
22. erall view of the MX 32 controller components 2 General Introduction 3 View Front A BG D D E F G H J Figure 2 Full view of the MX 32 controller Ref Function Button to increase the value displayed or flip to the next menu option Button to decrease the value displayed or flip to the previous menu option LCD screen displaying measurements menus and options Labels for the LCD screen indicating the display for Channel 1 or Channel 2 mlololwl Menu access button See page 16 Button to confirm the value displayed Buzzer activated in the case of fault or alarm if authorization is granted See page 31 LEDs for Channel 1 LEDs for Channel 2 Removable faceplate also see ref R LED lights up when the channel is active FIAlS TIOIn Alarm threshold for level 1 LED lights up when the alarm threshold is exceeded or when programming the alarm threshold for the channel Alarm threshold for level 2 LED lights up when the alarm threshold is exceeded or when programming the alarm threshold for the channel N Fault LED m Lights up when there is a fault in the channel Blinks during programming of the channel P Access to the zero and sensitivity settings Figure 4 ref O to R Q Connection terminals sector 24VDC sensors dry alarm contacts front view with protective cover removed R Removable faceplate in maintenance position 4 MX 32 Instruction Manual LCD Information Figure 3
23. he buzzer will not be activated in the case of alarm or a fault Press z Press ENTER to confirm Saving the new buzzer settings Press to select Yes The new buzzer settings will be saved to select No The old buzzer settings will be saved Confirm by pressing MENU ENTER Return to measurement display he screen will display the current measurement 4 Operating instructions 31 32 MX 32 Instruction Manual Chapter5 Cleaning servicing and maintenance Cleaning Do not use alcohol or ammonia based liquids to clean the central controller If necessary clean the exterior of the enclosure with a damp cloth Maintenance and servicing The controller does not require special servicing Adjustments Caution the settings operations in this paragraph are reserved for authorized trained personnel because they may compromise detection reliability If it is necessary to re adjust the sensors this operation must only be completed by a qualified personnel First the front cover must be opened Figure 2 ref P on the controller Refer to the Viewing the menus paragraph on page 16 Zero adjustment Use the following settings Channel 1 P3 Figure 4 ref R a Channel 2 P4 Figure 4 ref O Sensitivity adjustments Use the following settings a Channel 1 P5 Figure 4 ref Q Channel 2 P6 Figure 4 ref R 5 Cleaning servicing and
24. ifications Particular Specifications for use in Explosive Atmospheres in Accordance with the European ATEX 94 9 CE Directive The MX 32 detection controller intended for the measurement of explosive gases conforms to European ATEX Directive 94 9 CE pertaining to explosive atmospheres Due to their metrological performances as tested by INERIS French National Institute for Industrial Environment and Risks the MX 32 paired with Oldham CEX 300 and TBGW EX detectors as well as those in the OLC OLCT series 20 40 50 60 100 and OLCT IR is classified as a safety device The controller can also reduce the risk of explosion by sending data to outside units Information in following paragraphs must be taken into account and followed by the person responsible for the equipment installation site Refer to the provisions of European ATEX Directive 1999 92 EC concerning the improvement of safety protection and the health of workers exposed to the risks of explosive atmospheres Specifications for mechanical and electrical installations in Explosive Zones All installations must be in compliance with currently enforced standards notably standards EN 60079 14 EN 60079 17 and EN 50281 1 2 The MX 32 controller must not be subject to intense mechanical vibration and must be installed in a safe area away from explosive atmospheres It is very important to refer to the user and start up manuals for the gas detectors being used For intrinsica
25. lly safe installations the person responsible for the IS installation called the system designer must establish a system document demonstrating that the entire Sensor Cable Power Supply system is Intrinsically Safe See the EN 50039 standard for group II and the EN 50394 1 standard for group to prepare this document Metrological specifications The controller conforms with the following European standards With Explosive Gas Detectors European standards EN 50054 and EN 50057 for methane calibration gas propane and hydrogen gases gas following response curves when 8 Particular specifications 39 40 MX 32 Instruction Manual the controller is used with CEX 300 gas detectors and those in the OLC OLCT series including 20 40 50 60 100 and OLCT IR Where the controller is used with other types of detectors delivering a current of 4 20 mA they must conform to ATEX Directive 94 9 EC Annex Il paragraph 1 5 and be compatible with the characteristics described therein refer to the controller transfer curve in Figure 10 European standard EN 50271 Oxygen gas detectors European standard EN 50104 when the controller is used with OLCT 20 40 50 60 and TBGW EX gas detectors Where the controller is used with other types of detectors delivering a current of 4 20 mA they must conform to ATEX Directive 94 9 EC Annex II paragraph 1 5 and be compatible with the characteristics described therein refer
26. ly D F8 Fuse 8 m 5x20 250 V AC 160 mA T with 230 VAC power supply m 5x20 250 V AC 315 mA T with 115 VAC power supply E Sector power supply terminal 230 V AC or 110 V AC upon request with 8 the following identifications P phase N neutral and _L ground F Power terminal block 24 V DC 0 24V 8 G Fault relay terminal block Contacts RCT 250 V AC 2 A Contact 10 status not in alarm mode as defined by JOS ref A H Terminal block connection for channel 1 sensor 9 l Relay terminal block RL 1 Channel 1 Contacts RCT 250 V AC 2 A 10 Contact status not in alarm mode as defined by J10 ref X J Secondary ground connection 8 K Relay terminal block RL 2 Channel 1 Contacts RCT 250 V AC 2 A 10 Contact status not in alarm mode as defined by JOS ref V L Terminal block connection for channel 2 sensor 9 M Relay terminal block RL 1 Channel 2 Contacts RCT 250 V AC 2 A 10 Contact status not in alarm mode as defined by J08 ref W N Relay terminal block RL 2 Channel 2 Contacts RCT 250 V AC 2 A 10 Contact status not in alarm mode as defined by J07 ref U O Zero settings P4 for channel 2 26 P Sensitivity settings P6 for channel 2 27 Q Sensitivity settings P5 for channel 1 26 R Zero settings P3 for channel 1 27 E Programming circuit Explo 340 mA or 4 20 mA for channel 1 g T Programming circuit Explo 340 mA or 4 20 mA for channel 2 g U Config
27. na a tea daaacaunlecaaa 13 Navigating the menus sise 16 PAGMent PrOdrAmMINO eee menant nn 18 INPI el ATION Grn entente nettes set on een voor ect 23 Cal Menu Calibration ss 25 Cod Menu ACCESS CODE ss nn dent 30 BUZ MENU ZZ eee eee tira eee le aa 31 Chapter 5 Cleaning servicing and maintenance 33 Gi etc a la 1 Reamer ee ee ee ee ee eee eee ee 33 Maintenance and servicing cccceccseccceecceeeceueceeecseeeceeeceuecsueeaeeseeesenesaaes 33 FUSE replacement sise 34 Chapter 6 Technical specifications ececeeeeeeeeeeeeeees 35 Chapter 7 Technical specifications c ccesseeeeeeeees 37 Chapter 8 Particular Specifications 39 Specifications for mechanical and electrical installations in Explosive Zones 39 M IOlOGICALSD CINCAIONS set nn EN 39 Connecting detectors other than Oldham detectors to the MX 32 controller cccccccceeecseeeceeeeeeeseeeeaeeeaes 40 MARO CN E E A 41 iv MX 32 Instruction Manual Chapter1 General Information The User s Guide Please read the following notice carefully before installation and start up paying particular attention to the end user safety instructions This user s guide should be distributed to every individual involved in the start up use maintenance or repair of the system The information contained in this manual the data and technical drawings are correct as of the date of publication Should questions arise please conta
28. ns 115 or 230 V AC 6 154 624 Fuse F8 315 mA T 250 V AC Version 115 V AC 6 154 722 Fuse F8 160 mA T 250 V AC Version 230 V AC 6 154 723 Fuse F9 315 mA T 250 V AC Version 115 V AC 6 154 722 Fuse F9 160 mA T 250 V AC Version 230 V AC 6 154 723 Fuse F11 630 mA T 250 V AC 6 154 627 Fuse F13 630 mA T 250 V AC 6 154 627 Programming strip 340 mA 6 353 442 Programming strip 4 20 mA 6 353 443 Dual channel analog card 6 451 476 Single channel analog card 6 451 477 Channel extension card 6 451 478 Micro card display 6 451 475 34 MX 32 Instruction Manual Chapter 6 Technical specifications D claration de Conformit CE EC Declaration of Conformity Pp OLDHAM La Soci t Oldham S A S ZI Est 62000 Arras France atteste que la The Company Oldham S A S ZI Est 62000 Arras France declares that the Centrale de mesure MX 32 MX 32 Controller Reli e aux d tecteurs de gaz connected to gas detectors CEX300 TBGW Ex OLC T IR 20 40 50 60 100 est conforme aux exigences des Directives Europ ennes suivantes complies with the requirements of the following European Directives D Directive Europ enne ATEX 94 9 CE du 23 03 94 Atmosph res Explosives The European Directive ATEX 94 9 CE of 23 03 9 Explosive Atmospheres Normes appliqu es EN 50054 EN 50057 EN 50104 Applied Standards Performances m trologiques pour la d tection des gaz combustibles et de l oxyg ne Performance re
29. ogrammed alarm thresholds 1 and 2 The relays are energized de energized available on request and voltage free The relay corresponding to alarm 1 is connected to the RL1 green terminals on the 12 point connector for each channel card The relay corresponding to alarm 2 is connected to the RL2 grey terminals on the 12 point connector for each channel card The relay contacts can be used normally open NO or normally closed NC by flipping the corresponding switch Figure 4 ref U or V for AL7 alarms and references W and X for AL2 alarms Refer to the wiring examples beginning on page 11 Relay fault The MX 32 controller uses one Fault alarm per measurement channel visual and auditory but a single shared Fault relay for both channels The fault relay is energized and voltage free The shared fault relay can be connected to the points marked DEF fault on the 12 point terminal block for the power Supply card The relay contact can be used normally open NO or normally closed NC by flipping the corresponding switch Figure 4 ref L Refer to the wiring examples beginning on page 11 Wiring examples The following pages contain two examples of wiring Contact alarm Channel 2 Contact alarm eee Channel 1 circuit breaker me Grounding sector OV DC 24 V DC Telephonic transmitter Tothe cn A elephone line Gas valve closed when power is cut off W
30. om Global Director of Product Management CE_ATEX MX 32 ind D 6 Declaration of Conformity 35 36 MX 32 Instruction Manual Chapter 7 Technical specifications Case Enclosure Dimensions Material Cable input outputs Protection Power supply Power supply Power consumption Connections Type Cable diameter Measurement Channels Number Type Measurement Measurement Ranges Type Number of measurement points Display Position Type Unit description Gas description Keypad wall mount 240 x 205 x 120 mm ABS plastic 6 x PG9 type cable glands IP65 m 115 or 230 VAC m 21 V to 30 V DC 30 VA spring terminal 2 5 mm maximum 1 or 2 Wheatstone bridge type explosive sensor a 4 20 mA to 2 or 3 fils simultaneous channel measurement programmable independently for each channel continuous programming from 0 to 9999 on the front a liquid crystal display LCD a 4 digits of 7 segments each 3 characters of 14 segments each fixed or drop down icons for each channel a 4 light emitting diodes LEDs per channel on AL1 AL2 fault definable for each channel definable for each channel buttons for menu access indicators and acknowledgment 7 Technical specifications 37 Instruction Manual Alarms Type Relay Breaking capacity LED Integrated audible alarm Sensors a 2 independent thresholds per channel defined by the
31. onnected BRIDGE sensor Wheatstone bridge output EHP explosive sensor 4 20 mA FIRE fire detector ionic optic etc O2 oxygen detector 4 20 mA OTH another type of sensor flame etc MAN see next step Confirm by pressing MENU ENTER Defining the calibration mode for the sensor To proceed directly to the next step press kJ MENU ENTER a The MAN indicator blinks Press LsJ or CU to define the operating mode for the yellow sensor LED MAN no visualization blinking yellow LED by the MX 32 controller of the sensor being calibrated sensor maintenance mode OTH visualization blinking yellow LED on the controller when the sensor is being calibrated Confirm by pressing MENU ENTER Defining the time delay after calibration mode displaying a time Press y or LU to define the time delay in minutes Confirm the 4 digits by pressing ere MENU ENTER Saving programming Press to select Yes The programming completed will be used to select No The changes will be abandoned and the old programming will be saved Confirm by pressing MENU ENTER 4 Operating instructions 21 Return to measurement display a Indicating the current measurement A If necessary repeat the same procedure for the other channel 22 MX 32 Instruction Manual INI Menu Initialization A To quit a menu at any stage p
32. ple an official EEE Electrical and Electronic Equipment collection site with a recycling or take back program for authorized products available to consumers whose purchases replace old EEE products with new equivalents Failure to comply with regulations for the disposal of this type of waste can be harmful to the environment and to public health as EEE products typically contain potentially hazardous substances Your complete cooperation in the disposal of this product will help to ensure a more efficient use of natural resources 1X Safety Warnings Icons have been placed on the central controller to call attention to general use safety precautions These labels are an integral component of the central controller Replace any label that has peeled off or become illegible The meanings of these labels are explained below Installation and electrical connections must be performed by a qualified professional according to the manufacturer s specifications and to the standards of authorities in the field Failure to observe these rules may result in serious injury Exactness particularly regarding electricity and assembly couplings network connections is imperative Important Information The modification of any component or the use of any third party components will automatically void any and all guarantees The central controller is intended to be used for precise applications of a technical nature Exceeding the indicated values
33. quirements for combustible gases and oxygen EN 50271 01 MX 32 Version gt 1 51 Appareils de d tection de gaz utilisant un logiciel et ou des technologies num riques Apparatus for the detection of gases using software and or digital technologies Cat gorie Category Ex II 1 G Attestation CE de Type du mat riel INERIS 04ATEX0064 EC type examination certificate Notification Assurance Qualit de Production INERIS 00ATEXQ403 Notification of the Production OA D livr s par l Organisme notifi num ro 0080 INERIS Parc Alata Issued by the Notified Body n 0080 60550 Verneuil en Halatte France ID Directive Europ enne CEM 2004 108 CE du 15 12 04 Compatibilit Electromagn tique The European Directive EMC 2004 108 CEE of 15 12 04 ELECTROMAGNETIC COMPATIBILITY Normes harmonis es appliqu es EN 50270 06 for type 1 amp 2 CEM Appareils de d tection de gaz Harmonised applied Standards EMC apparatus for the detection of gases ID Directive Europ enne DBT _2006 95 CE du 27 12 06 Basse Tension The European Directive LVD 2006 95 CEE of 27 12 2006 Concerning Low Voltage Normes harmonis es appliqu es EN 61010 1 10 R gles de s curit pour appareils Harmonised applied Standard lectriques de mesurage Safety requirements for electrical equipment for measurement Arras le 18 09 2013 Michel Spellemaeker ISO 9001 2008 Oldham S A S i 1 1 PE Z L EST C S 20417 ALY 62027 ARRAS Cedex FRANCE i CJ f www oldhamgas c
34. ress MENU ENTER Press Le or CU to define the AL7 alarm acknowledgment _ MAN 1 Alarm clearing acknowledgment by pressing the button once the measurement Is below the programmed alarm threshold AUT A Automatic alarm clearing acknowledgment once the measurement is below the programmed alarm threshold Confirm by pressing MENU ENTER Defining the time delay for triggering alarm relays Press Le or CU to define the 4 digits for the time delay in minutes seconds once the AL7 alarm relay is engaged Confirm the 4 digits by pressing ere MENU ENTER Example the value 10 20 indicates a delay of 10 minutes and 20 seconds Alarm threshold LED alarm Delay Alarm relay exceeded and buzzer switching Defining the AL2 alarm threshold Follow the same instructions for the AL2 alarm threshold Comply with the above paragraphs Defining the AL1 alarm threshold to Defining the time delay for triggering alarm relays Defining the time delay at start up Press Le or LU to define each of the 4 digits for the time delay in minutes seconds Confirm the 4 digits by pressing MENU ENTER Example the value 10 20 indicates a time delay at start up of 10 minutes and 20 seconds 20 MX 32 Instruction Manual Defining the type of sensor To proceed directly to the next step press kJ MENU ENTER Press or CU to define the type of sensor c
35. ress the and buttons together This menu is used to automatically initialize the measurement curve managed by the microprocessor with the sensor connected to the appropriate channel It is used in the following situations By Oldham when shipping new material a At the initial installation x When changing a sensor or a detector Action or result Illustration a The NI indicator blinks Selecting the channel to initialize Press J ENTER to confirm The Channel 1 icon blinks indicating Channel 1 has been selected a To select Channel 2 press The Channel 2 icon blinks indicating Channel 2 has been selected Confirm the channel to initialize by pressing ENTER ON blinks The icon is displayed The yellow indicator of the corresponding channel blinks the channel relays are blocked Confirming initialization Press to select Yes The initialization will launch J to select No The initialization will be abandoned Confirm by pressing MENU ENTER 4 Operating instructions 23 24 MX 32 Instruction Manual Return to normal measurement display The screen will display the current measurement Important once the settings are completed perform a new calibration for this measurement channel see the following paragraph Cal Menu Calibration To quit a menu at any stage press the and buttons
36. to the controller transfer curve in Figure 11 European standard EN 50271 Connecting detectors other than Oldham detectors to the MX 32 controller Any user wishing to use detectors other than Oldham detectors must ensure that they are compatible with the controller in order for the unit to be considered a safety device Configuration transfer curve 0 to 100 LEL The following curve demonstrates the controller response in terms of values measured and treatment of faults as a function of the value of the input current delivered by the detector In the case that the user connects a non Oldham brand detector to the MX 32 controller the user must ensure that the transfer curve is compatible with the input characteristics for the controller so that the information delivered by the detector will be properly interpreted In addition the controller must provide sufficient supply voltage taking into account voltage drops in the cables LEL Display in ABOVE 100 LEL LEL i Signal delivered by the detector in mA 15 LEL 1 6 4 20 mA Figure 10 Configuration transfer curve 0 to 100 LEL the measurement controller records that the scale has been exceeded the channel switches to alarm and fault mode The user is responsible for manually rearming these settings following the safety regulations applicable at their site Rearming can be accomplished by restarting the controller or through a maintenance operation
37. uration jumper J07 for Alarm 2 channel 2 relay Up position relay contact closed in alarm mode Down position relay contact open in alarm mode V Configuration jumper J05 for Alarm 2 channel 1 relay Up position relay contact closed in alarm mode Down position relay contact open in alarm mode W Configuration jumper J08 for Alarm 1 channel 2 relay g Up position relay contact closed in alarm mode Down position relay contact open in alarm mode X Configuration jumper J10 for Alarm 1 channel 1 relay m Up position relay contact closed in alarm mode Down position relay contact open in alarm mode y F13 Fuse 5x20 250 V AC 630 mA T Z F11 Fuse 5x20 250 V AC 630 mA T alarm relays are configured as energized at the factory This means that they are supplied with power when not in alarm 6 MX 32 Instruction Manual Chapter 3 Installation and wiring Mounting the controller The MX 32 controller can be installed in any location except for explosive atmospheres Ideally the controller should be located in an area under surveillance security office control room equipment room etc The central controller cover opens at a 90 angle to the left Make sure to leave adequate space to completely open the cover once the central controller is mounted 183 205 T 233 _ a 115 gt Figure 5 Dimensions of the controller The dimensions for the w
38. ures on his site Oldham is not responsible for implementing safety procedures Reminder for security reasons only trained personnel should be authorized to use the following menus The Calibration menu will allow the user to perform zero control and settings in a clean environment and the sensitivity of the test gas Calibration can be performed a After initialization see the following page For preventative maintenance minimum and regular service see page 28 4 Operating instructions 25 After initialization Action or result Illustration a The CAL indicator blinks Selecting the channel to calibrate Press ENTER to confirm The Channel 1 icon blinks indicating Channel 1 has been selected To select Channel 2 press The Channel 2 icon blinks indicating Channel 2 has been selected Zero settings Confirm the channel to calibrate by pressing ENTER Display of the current value XO zero settings The icon is displayed The yellow indicator of the corresponding channel blinks the channel relays are blocked Make sure that the air is clean if not using a test kit inject air at the level of the detector at a flow rate of 60 I h then wait for stabilization of the signal If the display is not zero adjust the zero measurement by moving the zero potentiometer corresponding to the appropriate channel Figure 4 ref R for Channel 1 or ref O for Channel 2
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