- ZAM
Contents
1. ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 Functional safety D fas per CSN EN e years Informative sensitivity of the detector SC CH4 Mxxx for various gases Gas Formula l density to air Lower explosive limit vol Methane CH 0 55 4 4 Hydrogen H2 0 07 4 0 Informative sensitivity of the detector SC CH4 Cxxx for various gases and vapours sitivity Rel density to air Lower explosive limit iba vol Methane om o fine o Soe Propane om Gs so imBuiane aly E NKY Penne Ody S 248 tame piene C S SOON C OC E S T Cyclonen caa EZ Bene M jas 13 buadion Ci a Relative sensitivity is related to methane and is rounded off to the nearest 5 The response time T90 for ammonia is extended The detector is not designed for continuous operation in high NH3 concentrations These gases cannot be pre set on the dis The values are only informative for preci gas that shall be detected easurement the detector must be calibrated using the 15 5 2015 25 36 Max resistance of supply ZAM SERVIS For backlight off ImA output o K i anova 1116 a loop for son Ostrava P voz 702 00 power supply units Type Uo Io Po Explosion protection Rmax Rmax with V mA Q SC LCD ZAM SERVIS HOUK Z 18 9 106 1 I M2 M1 Exe mb2. ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 al Stationary D f Combustible Gases This user manual 1 des Instructions for assembly installation putting into operation use operation setting maintenance and service ssembly and disposal and specifications Keep this manual for future reference 15 5 2015 1 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Content JB 521121110 ee TORO O O ee E 4 Cis Lee Tee POU 4 o Z 4 Descripion and OPETAN 0 Renee enn E E net ne ner enemy Seen eee net re reer er seer renter ere 4 M AMA PABA ARPANET PO PO RL OPP erect O sgn 5 Warning Exceeding the measuring SEME eee on 6 Warning Tests by an alternative procedure 2 2 2 2000000000000 00000000 0000 h haha hh hh KPK hh PKP hPa haha ho hh ena 6 Warning Special conditions Of USE susisotusn N zs k os zoe ons kabala soka usd ovsa duse 6 l stallation and assemDl ee MNE Sn et e 7 EC 040113010 Diae i E a i Serer err tenner Serer rere etree 9 Operation calibration and setting Of SC QC Ci NE ooooooooosoooeeeeeoonsseeeeene 1 Access to the calibration and setting Oder SU cccccccceeessssssssssssneceeseceeeeeeeceseceesaueaeasseseeseess 1 Calibration or oC m L RER MOO ee ree DO O E TNA 12 Confirmation of zero concentration of SC CHA cccccccssssssssnnnccceeeeeeeeceeeeeessseeeessssnnnaaeeeeeeeeeseees 12 Setting of SC CH4 measuremen
3. 2mA 3mA when the display is back lighted nA when there is RS485 communication 4 analogue output current max 24 2mA 2mA when the display is back lighted 2mA when there is RS485 communication Adj Wolaueanalocuc outeut justable fro 0 to 5 0V overrange max 5 5V S 8 pu Recommended load 5 to 50 kQ Adjustable from 0 0 to 22 0mA overrange max 24 2mA ye is 3 5V at 24 mA 1500 ve is 5 5V at 3 mA 150002 ref to graph Switched voltage of transistor output 3 30V eee Max switched current of trans output 0 3A voltage loss of 3V Max switched power of trans output Adjustable from 1 to 999Hz Repeating 1 1 or synchropulse Parameters of frequency output s 400us during calibration Frequency output error range 5 15Hz or 200 600Hz EY We V I M1 Ex ial II 2G Ex dia Current take off at 20V Current take off at 30V Current analogue output active T4 Gb T87 C Db Explosion protection Terminals 1 2 analogue output Terminals 3 4 power supply 15 5 2015 Uset 23 36 ZAM SERVIS Ostrava P voz 702 00 a K i anova 1116 Terminals 5 6 digital output isa Ui 30V 110 6 Terminals 7 8 RS485 IS Tamb 20 C to 50 C Pi 3 22W I Pi 1 25W ILIID 0 C Pi 3 3W D Pi 1 3W ILIID Rawen el Measured gases of group Mafie hydra EEE p ae Environment Environment temperature 20 P pr 20 40 C or O O e
4. Restart the power supply r flooded Device measures with a big deviation gt Calibrate the detecto alibration interval e g to 14 days Verify that ter pressure humidity air speed dust quantity and atmospheric oxygen level do not change during operation significantly Replace the sensor Verify that there is no device with very high interference level in proximity Check that th r flooded Analogue output gives wrong signal For the current outpu ng resistance incl the line is lt Rmax from the graph and the leaky resista is gt 100x sensing resistance For the voltage output ch ading resistance is lt 50kQ and is gt 100x line resistance Check that the electronics 1 r flooded Digital output gives wrong signal Measure parameters of the transistor output on terminals 5 and 6 Check the course in safe environment using an oscilloscope Check that the electronics is not damaged or flooded Detector does not Verify that all network devices have erent network addresses and that terminating not respond to buttons it has a special status value at the analogue output and some of the special statuses are reported on the display unit communicate resistors are s e the wire A with B Interconnect the devices with a GND conductor Check the master system for configuration Check that the electronics is not damaged or flooded The detector d
5. at of Use a more suitable power supply unit range 10 Decrease the distance of the detector from Di entration or output the power supply unit ay be wrong Increase cross sections of supply wires Special status on output Check that the electronics is not damaged or flooded 45 frange Restart the power supply unit 3 0 3 3V Check that the electronics is not damaged Measurement is off tempo or flooded Special statu output 46 Error of the sensor or chec Restart the power supply unit measurement Replace the sensor Displayed concentration may Check that the electronics is not damaged wrong or flooded Special status on output 48 Internal temperature is out nge Increase the distance of the device from the heat sources Special status on output 40 Detector was exposed to When the danger is over turn on the concentration over 100 measurement manually or restart the power measure range supply unit Measure is OFF Necessar r s intervention Output st orresponding to 110 oranie It is necessary to recalibrate the detector after 24 hours and then after 48 hours 50 Replace the sensor Or set a longer limit of sensor age 49 Calibrate the detector or calibration through Disple may be with the RS485 communication interface an error Special status on output 15 5 2015 18 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 Operating instructions The concentration measuremen
6. ia I 120 60 ZAM SERVIS DKD 2000 17 85 195 I M2 M1 Ex d ia ia I 50 40 MTA PNS 04 M 22 93 I M2 M1 EEx de ia I 50 40 MM Group 21 42 147 I M1 EEx ia I 100 20 MM5041DCx Uo 21 42V II 1 G EEx ia IIC MM Group 28 93 0 I M1 EEx ia I 60 20 MMS041ACx Uo 28V H 1 G EEx ia IIC MK72 S19 Ex0 24VDC 27 6 131 1 H 1 GD EEx ia IB 180 impossible Pepperl Fuchs 25 2 184 1 I M1 Ex ia I 120 60 KFD0 SD2 Ex1 1180 H 1 GD Ex ia IIB Applies only to Rmax 400 Cu wire cross section Line loop resis individual products for design Reachable distance from power supply unit with Rmax 40 0 5mm 780 km 0 75mm 52Q km Imm 390 km 1 5mm 26 6Q km 2 5mm 16 0Q km 15 5 2015 OQO 26 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 5 CH4 for 20 mA 5 9 CH4 14 MaxAnalog MinAnalog MinA Conversion characteristic 24 22 alog MaxAnalog 20 mA UE Umax V T OT OTTO TT 0123 4 5 6 7 8 9 1011 12 13 1 16 17 18 19 20 21 22 23 24 25 Imax mA Internal limitation oltage on analogue output Maximum output va to ana
7. order no 480 001 823 025 Vitrum order no 624 901 823 025 The data in Addendum A is ipped with connectors Repairs and spare part Delivery transport and storag Ordering code SC CH4 x x x x xx Push but B mechanical push buttons cannot be used for group HI or special order only Type of nector M12 x 8 cannot be used for group III connection l box area terminal box Reeds versing of polarity of analogue output N without Sensor sensor for mines I C sensor for chemistry I CA sensor for ammonia NH3 Detector e delivered out reeds with RS485 IS communication gland Unless the version is specified in th SC CH4 MNG Detector with the sensor with backlight of the disp Delivery includes o This user manual o Copies ofthe Declaration of Conformity o Control magnet with the version without mech in the delivery o Product itself There is no cable for detecto delivery and it must be ordered separately Dirt must not enter the sensor during transport prot therefore it is necessary to transport it in a PE packi catalytic poisons and liquids for all the transport During transport of all parts it is necessary to minimise any possible vibrations and impacts Storage in dry rooms at temperatures from 0 C to 40 C in one layer only As standard the detector is delivered with the M20 x
8. to previous chapters The gas calibration of the detector is recommended at least once in 30 days and it can be carried out more often Ifthe detector was exposed to ceeding the measurement range over 100 LEL or range the detector signals the overrang surement is off The user must follow to the emergency plan of the organisation Yo at the emergency is over e g with a manual device Turn on the device and approz e of the turned off detector and check the readings After the concentration decreg sible level you can restart the measurement manually using buttons or b r supply unit It is necessary to recalibrate the detector using gas and repea hours and again after other 48 hours It is recommended to have the n checked by personnel from the manufacturer or a relevant authorised representative on ate calibrate and adjust the detector according Maintenance Remove dust and impurities from th surface with a wet cloth tis necessary to replace a d damp areas replace the filte operating conditions You can access the filter an on the head or after releasin We recommend the check to be perfor at least once a year cloth brush or broom Then clean the aged filter or grid in the sensor head In case of dusty and ays before calibrating the detector or more often according to the after loosening the safety ring Seger ring of the manufacturer r an authorized service sts libr
9. voltage external voltage 15 5 2015 15 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 By pressing the lower button list once again you can display the current age of calibration and sensor After you press the button list once again the screen will change over to the measurement mode List of SC CH4 param or Cone 10 15 00 vol a p 25 M K AC OTEC E A EDT ACE 16 MaxAnalogVat ma Jima Sma ima BV 17 Trans Output Switch On to Conc Frequency Temp Switch Off to Conc Switch On up to Temp rag LimitValCH4 0 15 00 vol M 0 1 50 MinFreguency 1 999Hz saz 5Hz 200Hz MaxFrequency 1 999Hz JI5Hz 15Hz 600Hz ry SignalingLED 0 15 00 0 1 50 Ssec 25 Backlight Never lighting pressed 27 Input Code 0000 9999 0000 15 5 2015 Use Switch On to Conc Switch Off to Conc Freguency Conc Switch Off up 16 36 ZAM SERVIS Ostrava Privoz 702 00 o K i anova 1116 a C C Sav o By Jouma 05m ama 02V ozs S CalibStateMin Os 60s 120s Calibr Limit 0 255 days 10 days 20days 40 days Network Addr 1 247 h E 17 General troubles of SC CH4 c Trouble description Possible solutio Green LED ON is not illuminated Measure the supr e on terminals 3 and 4 Check that the electrot d LCD does not show anything Measure the supply vo Check that the electro and 4
10. 02 00 28 11 2012 Type for NH3 and informatio ut using in NH3 atmosphere added 18 09 2012 Reformatting the document removal of information not related to the existing software version additional 1 are version Modification of factory default settings Calibration lim days Description of connectors added 06 03 2013 Warning testing only with the c 18 04 2013 Formal changes reformatting i nge the type description 03 02 2014 Detailed designation for di 14 02 2014 Information about the W 18 09 2014 Change in labelling according to new standards change in labelling in orders change in push buttons 15 05 2015 Invalid standard deleted sm Je text corrections of texts in figures 15 5 2015 36 36
11. 1 5 gland for the cable with the cross section of 6 5 12 mm The gland accordingtosthe e below can be selected for a different range If a al push buttons only 1 pc per 4 detectors or and the cable connector is not part of the sensor against dirt during transport nd protect it against effects of inhibitors 0 SC KAL ne sensor head o SC SET CH4 and calibration gases it contains SC KAL o The list for detectors equipped W ectors is indicated in Addendum A The warranty period for this product is two years This excludes sensors of the device the warranty period of sensors is 6 months from the date of handover 15 5 2015 20 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Table of glands cable cro king Cable diameter Gland I Packing to the Order no from to no gland 5 10 HSK K Ex M16 x 1 5 1 295 1602 50 22 HSK V Ex 1 296 1101 11 3 7 HSK K Ex M16 x 1 HSK V Ex 1 296 0701 11 4 8 HSK K Ex M16 x 1 5 HSK V Ex 1 296 0901 11 3 6 HSK K Ex M16 x 1 5 1 291 HSK V Ex 1 296 0701 11 5 9 HSK K Ex M20 x 1 5 HSK V Ex 1 296 0901 11 6 5 12 HSK K Ex M20 x 1 24 HSK V Ex 1 296 1301 11 10 14 HSK K Ex M20 x 1 1 295 2002 50 27 HSK V Ex 1 296 1301 11 7 12 HSK K Ex M20 x 1 5 HSK V Ex 1 296 1301 11 Reduction ring and packing instea and RSD INOX Ex 1 098 2016 50 Packing inste
12. T4 MM5041DCx M1 EEx ia II 1 G EEx ia IIC Uo 21 42V lo 147mA Po 0 787W Co 1 25uF Lo 4 1mH Example of wiring including a current converter MM5041DCx The current output of SC CH4 is set at 15 5 2015 0 2 1 9 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 x IM1Exiadl PNS 04 M2 M1 EE Uo 22V Nap lo 93mA Co 2uF Example of wiring including the box PNS 04 M and an additional display The current output of SC CH4 is set at 0 2 1m Max resistan 1e supply line loop of PNS from the surface feeder is 800Q 1 M1 Ex iad IM1 12Ex T Il 1 GD EEx ia IIC Uo 9 6V lo 11mA lo 131mA Po 1 32W Co 205nF Lo 3mH Linear char Po 26mW Co 1 1 0 83 0 74 uF Lo 1 0 5 0 10 0 mH Linear char Example of wiring including an isolating swit SC CH4 has set the frequency output The and intrinsically safe power supply unit is realised by a jumper wire H52 10k g ampli UR ou x 1 M1 II 2GD Ex ia I IIB T4 SC CH4 out H52 Power foe 18k Dout lt 1k IM1 12Ex T II 1 GD EEx ia IIC Uo 9 6V KFD0 SD2 Ex1 1180 II 1 GD EEx ia IIB Uo 25 2V lo 11mA lo 184mA Po 26mW Po 1 159W Co 1 1 0 83 0 74 uF Co 820nF Lo 1 0 5 0 10 0 mH Lo 4 2mH Linear char IM1 12Ex T KFD0 SD2 Ex1 1180 II 1 GD EEx ia IIB Uo 25 2V lo 184mA Power Se Co 820nF Dout l
13. ace the filter always before calibrating The detector will measure according to the new calibration only after the values are saved in the end of the setting mode therefore if you are in doubt about the calibration do not save the values The running calibration can be indicated on the analogue and frequency outputs according to the next setting and aftera ation age counter will be reset of calibration by reversal of polarity put a irm the zero concentration Put the zero stitute the full calibration with the testing nward the whole measuring range moves d zero upwards the whole measuring range atically to increase the safety of measurement tration does not s ively shifted zero The confirmation of the zero co gas because due to shifting the pe downwards too and due to shifting t moves upwards The detector software p 15 5 2015 12 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 Setting of SC CH4 measu Compensation temperature effe Now you can set parameters of the measurement by entering YES or you can leave them out by NO When production values were saved in the previous setting mode or the display is being programmed for the first time you can carry out a li gt mperature effect on the zero signal At first confirm that the zero gas is present a re 20 30 C Then expose the detector to the temperature at least by 20 C higher e g r stabilization confirm the zero gas
14. ad of the gland V Ex 1 297 2001 50 Packing instead of the gland 1 297 1601 50 Fire safety ecology disposal Do not expose to open flame harmful s When used correctly in operation it doe After the lifetime expires return the product to the in this document Electric and electronic equipment must refuse The product must be delivered to processing reco Ask for more det product from local authorities municipa Ek your dealer where you bought the produ from combustion atively to its surrounding and ecology ufacturer for disposal The address is given be disposed of as common municipal corresponding collection point for correct ic and electronic equipment collection point and recycling of this fuse disposal firm in your place or from Manufacturer and service o nisation ZAM SERVIS s r o K i anova 1116 1 e mail zam zam cz va P voz phone 596 135 422 15 5 2015 21 36 Related standards reg LVD CSN 33 2000 441 EN 60529 EMC EN 61000 6 2 EN 61000 6 3 EN 50270 ATEX EN 50303 EN 60079 0 EN 60079 11 EN 60079 25 EN 1127 1 EN 1127 2 EN 60079 29 1 EN 60079 29 2 EN 50271 Other documents 15 5 2015 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Electrical installations of Buildings Part 4 Protection for safety Chapter 41 Protection against electric shock Degrees of protec E
15. adjustable current voltage OUtDUt ce cccceeeeeessttteeeseeeeeeeeeeeeeeeeaas 2I Dinei ond IN A O O E E ee eT 28 15 5 2015 2 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Supplement A To sensors equipped with M12 connectoTS 0000e0eeeeeeeeeeee 0000 eee nene nn 29 CC i SR EEE ene ee ere 29 Lt a a N en ter eer eres 29 6 ttn nae eens nee cern ener renner entree tee nereT 29 IDE SCIP CLO La ssesnnaadsaantadanedansdgadonsadasennnactorsinatabeeguaas sea REER A EAEAN EEEIEE 29 TNS Cet IO Nh AS SSN oases A E es sous tae ne vs sound EEE usenunio enue E A O E 30 Operating instructions M 30 Cc an en NOS 30 DNS 01 PO P O ain E eae eee ee ee ieee ener ae ee 31 DCO sea ene VO O ne ae een 31 OEIS CLOT TROT ESS NO CIENO OOP 32 MEE ae O E O O O O 33 Repairs and spare parts AO A 33 Supplement B Detectors equipped with a separate terminal box area a terminal box 33 ICM al MOORPROOO PNE NEPOORO Pee 6 5 IDES 4 01810 a PP ORP OR O Informative OTM zs as2asu a kakuded nok e Document revisions 15 5 2015 3 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 User manual This manual includes instructions for a operation setting maintenance and service putting into operation use utilization oly and disposal and specifications All workers performing installation putting into ope
16. again After the compensation values are saved it 1 carry out the calibration The temperature compensation can be turned on or off in to verify efficiency of the temperature compensation ol at 0 OK 030C at 0 05 Set Measur OK Temp2 at 0 OK YES 050 C at 0 10 displayed and if units will be vol of gas volume in air or LEL of lower explosive limi change the measuring range for analogue and frequency output after whose exceeding t switched off Therefore measuring will be switched off both after exceeding LEL of givens after exceeding measure range too Gas Type OK Ur OK Range Measur OR CH4 vol vol 05 00 Analogue input Now you can select which gas will be meas value that will correspond to 0 vol and e minimum and the maximum can be set in can be energy consuming therefore the Select the current or voltage analogue input T the max value that will correspond to the meas the range of 0 22 0mA or 0 5 0V The standard ranges of 0 2 ImA 1 5mA or 0 4 2V are used AnalogOutput OK CURRENT Conc MinAnalogVal OK O vol 04 0mA MaxAnalogVal OK 05 00 20 0mA Digital binary output You can set parameters of the transistor digital output T certain limit of concentration or temperature is reached or 1t can send the measured concentration or temperature using a frequency signal If it issselected that the transistor outp
17. ation however at least once per 6 A sec nance the equipment must be reset after ption of power supply Safety functions and their veri We recommend performing the tests of the functions used months The minimum frequency of safety signal recovery Unless verification tests were performed after finishing ma finishing maintenance which can be Safety function Verification te Showing the concentration on the display Check the displayed values during calibration Red LED During calibration test with a gas with the concentration at least 0 higher than the set value whether the LED turns on ing calibration test whether the current or voltage value esponds to the used concentration Digital binary output conversion of According to the configuration During calibration test concentration to frequency or switching quency corresponds to the concentration or test after the limit is exceeded he concentration at least by 10 higher than ther the output switches Analogue output the set values RS485interface registers with meas quantities and statuses n test whether values corresponding to the on were transmitted i ae 15 5 2015 19 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 All repairs and spare parts shal anufacturer The user can replace the filter Glass fibre filter Whatman GF D JatNo1823 025 Distributor Merci
18. atus running c Ce source transferring data about the s oration and overrange The analogue output is active it is a current and v The digital output can be co ted until the adjustable concentration or temperature limit is reached or easured concentrations or temperatures using a frequency signal with an adjustable range from 1 to 999Hz The transistor output can be configured using internal interconnections as a common switch or output of NAMUR type with 1k and 10k resistors Then it arated from the power supply or can be connected with the positive power supp output of PNP type All settings calibration memory reado uantities and values are operated with two buttons on the box side Legends on th e in Czech Russian or English The setting mode is accessed after a four digit code The RS485 IS communication protoc ASCII or RTU enables readout of current values of concentration inte display or history of these data from the m memory they are saved n minute cyclically for 24 hours The J version with dry reec applying a magnet to the box sid running The detector can be connected to DI signal or using the protocol MODB If the SC CH4 detector is install LCD display can be connect accessible place e g on a ceiling an additional SC installed between the detector and the connected device Warning It is recommended to calibrate the det done more often The calibration inte with
19. authorized persons can access to the setting mo You can also set a new sensor after it is replace r It resets the sensor age counter Special and calibration status The special status occurs in case of an error of a memory supply voltage measurement temperature or when the sensor or the calibration is old Set the analogue ut value 0 24 2mA or 0 5 5V that will signal special status of the detector and min duration of this status 0 255 sec r 0 5 5V that will signal the running calibration and eriod the synchropulse of the frequency output will be Then set the analogue output value 0 24 2 duration of this status 0 255 sec During th changed from 200us to 400us Limit of calibration sensor and Set the calibration age limit 0 255 days If it is more than 0 and the display does not detect the calibration during this time the display will indicate the special status Old calibration In this status the buttons become locked and cancellation is only possible by performing calibration using the 15 5 2015 14 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 RS485 communication only versi 24 Then set the sensor age limit 0 255 ks If 1t is more 0 and the new sensor is not set during this time the display will indicate the spec 3 S Then set the network address on the Modbus 1 247 Every device in the RS485 IS network must have a different network address Fac
20. button OK e the lower button using the upper button When the code has not been changed yet the ode is not entered the screen will return to Then enter the four digit access code OK go through the figures and cor default value set by the manufactu the measurement mode the resulting coc is 0000 If the corre If you forget your access code it is pos e it by default setting in the service centre only 15 5 2015 11 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 Calibration of SC CH4 Now you can calibrate the detector b use the lower button to confirm heated at least 30 minutes in operation A will calibrate usually 1 5 2 5 vol or 20 50 LEL and confirm b an leave it out by NO To select YES or NO OK The detector being calibrated should be gt volume concentration of the gas with which you pressing the button OK atering YES or ye on of calibration by reversal of polarity put form the two point calibration itself Put 0 S min and wait until the displayed in press the button Ok Now put the have set the calibration before and wait until the displayed press the button OK The recommended exposure time es the T90 If the stabilization process is too long more ter may be dusty and it must be replaced In ore calibrating The detector will measure gt saved in the end of the setting mode When the detector is connect
21. cessary to keep the lengths and after assembli e connector bushing properly so that it can grip the cable jacket Use a 2 x 0 5 screwdriver rminals After assembling attach the cover to the cable and secure from losing it Adapting the cable conductor ends connector assembling terminals 1s are numbered when looking at screw type Operating instructions Warning Connectors and caps may never the connectors are connected and ce together ective caps are put on the connectors or ain open Either p ay s of connected connectors are connected Never use a pair of pliers while handling the connector 15 5 2015 30 36 o K i anova 1116 14 Ostrava P voz 702 00 ZAM SERVIS Connection Remove the protective caps from both re that no dirt is found in the connectors and their protective caps and remove the dirt if f Je the cable connector into the connector on the detector body and turn until locking mechanisms and connector keys are correctly matched and push all the way in Apply adequate torque to the able connector to secure the connection Screw the connector caps together a KI JS Saini Connecti rotective caps Disconnection apart Loosen the securing nut on the cable ctors are disconnected from each other Put ying of the connector cable store it Separate the connector caps from each other by connector manually and screw out the nu
22. ed in the system a a magnet on the box side as required by the S a zero gas synthetic air with concentration is stable After it calibration gas for which you calibration is stable After the sta calibration gas at the calibration time 1s than triple the time T90 while the flow is case of dusty and damp areas replace the according to the new calibration only aft therefore if you are in doubt about the calit indicated on the analogue and freq puts according to the next setting and after it is saved the calibration age counter will be reset Confirmation of zero concentr en with a testing gas you can carry out a at your disposal or you are sure that the brated should be heated at least 30 minutes vol or 000 0 LEL and confirm by If the operating conditions do not allow you t simplified zero calibration if there is zero gas detector is in the clean air atmosphere The det in operation At first enter the volume conc pressing the button OK When the detector 1s connected in magnet on the box side as required by the system Now c gas synthetic air with the flow about 0 1 0 5l min and wait until the displayed concentration is stable After it is stable about 1min press the button gt Or if you are sure that the atmosphere is clean confirm the zero concentration H4 If the stabilisation is too long gt 1 minute while the flow is constant the filter may be dusty and t be replaced In case of dusty and damp areas repl
23. eek i Lo 4 2mH Il 1 GD EEx ia IIC Uo 9 6V lo 11mA Po 26mW Co 1 1 0 83 0 74 uF Lo 1 0 5 0 10 0 mH RS485 IS Linear char Example of wiring including an isc additional display SC CH4 has se H52 10k The range of the current 01 intrinsically safe power supply unit and an AMUR output is realised by a jumper wire Im or 1 5m and the harnesses II and 12 side SC LCD ing switching amplif requency output T A 15 5 2015 10 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 Operation calibration and setting of SC CH4 Place where to approximate the magnet to control the Upper Button Version without mech buttons lt Q Upper Button Calibr gt Access to the calibration and setting mode OK gt Browsing over the set figures OK gt Confirmation of the set or selected value gt Increase of data history by minutes Attach the magnet here to reverse the poles of the analogue output Indication of calibration SC CH4 xxJ version only Lower Button Browse gt Access to the mode for reading the saved data Browse gt Browsing over individual saved guantities gt Increasing the set figure or selection of a value RRS 4 ix pata OX LEX q Place where to approximate the magnet to control the Lower Button Version without mech buttons es from the memory are operated using two peration of SC CH4 is not limited and the display All s
24. ettings calibration readout of current c buttons on the box side During the setting is full functional according to the origi herefore the parameters can be checked without influencing operation of the detecto push buttons are not used for more than 4 minutes the detector starts the selected mode and changes over to the display of the basic screen ced with reed contacts These contacts are and they functionally substitute push ted on the right side near screws on the lid mechanical push buttons can only be chanical push buttons cannot be used for To preserve sufficient IP protection controlled by means of approximating the magn buttons A suitable place for approximating the the exact place and distance needs to be tested produced on the basis of a special order The ve group III dusts it can only be used for gro tc is changed by means of the RS485 adout of the set parameters on the al verification of the received values with When a parameter calibration the setup of switching valu interface the check of correctness must be performed by t equipment or by back uploading from the equipment and the set ones Access to the calibration and setting mod When the screen is in the measurement mode you can ent e calibration and setting mode by pressing the upper button calib The first selection is the screen language You can select Czech Russian or English using the lower button confirm the selection using the upper
25. he detector according to the next chapter a higher error approx 0 1 vol lands given in the table in the paragraph tion It is used only for a firm installed the cable sufficiently Reduce the tensile ring installation After the installation put ating about 30 minutes of operation can calibrate also a cold detector but with 15 5 2015 7 36 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 Terminal block and setting ju 15 5 2015 v 8 36 Examples of connectio Example of wiring inclu ing the mine data c the harness 3 and 5 internally The current ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 1 0 Analog out 2 0 CPU sensor Power K 5 Ae 5 0 Digital out V 6 0 TAC RS485 IS 8Bo Input output circuits of SC CH4 1 M1 Ex iad DKD2000 I M2 M1 Ex d ia ia Uo 17 85V lo 195mA Po 2 07W Co 4uF Lo 0 9mH 2 PNP 0 10k 0 1k gt ntrator DKD2000 and an additional display SC CH4 The ut for SC LCD has the range of 0 2 1m or 1 5mA and the frequency output of SC CH4 is set at synchropulse at 200us The jumper wire H52 PNP connects harnesses II and 12 are connected inside SC The detector can be connected only to 80mA inputs I and 3 Max resistance of the supply line loop of DKD2000 from the surface feeder is 45002 for 1 detector and 3000 for 2 9 M1 11 2GD Ex ia d I IIC
26. lectromagnetic comp for industrial environ Electromag standard fo residential commercial and light industrial environments Electromagnetic compatibility Electrical apparatus for the detection and tible gases toxic gases or oxygen Group I Category endangered by fire Electrical requireme man 1 Explosive atmospheres Part 11 Equipment protection by intrinsic safety Electrical systems atmospheres Part 25 Intrinsically safe Explosive atmosphere evention and protection Part 1 Basic concepts and methodo Explosive atmospheres evention and protection Part 2 Basic concepts and methodology for mini Explosive atmospheres Part 29 1 detectors for flammable gases as detectors Performance requirements of as detectors Selection installation use mable gases and oxygen Explosive and maintenance of detectors for Electrical apparatus for the detecti toxic gases or oxygen Requirem and or digital technologies and measurement of combustible gases and tests for aparatus using software Communication protocol and Data Map of SC 22 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 Technical parameters and appearan Basic technical parameters 2 segmental conductor 1 5mm eth 5 6 mm c Supply voltage Current take off at 10V Q 22V for IIC when there is RS485 communication 28mA analogue output current max 24
27. logue output loading 1600 1400 1200 1000 800 600 400 Rmax Q 200 15 5 2015 27 36 00 02 7 Z Privo a V tra Os 16 ova n ta ris K O IS SERV M A Z M ALAR N O X gt A gt gt gt gt O _ 2 xX K G lt rv se m a Z ing 73 draw n NSio e im D lt in w a dr n 10 S n e im p 28 36 5 2015 15 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Supplement A To sensc General SC sensors may be eguipped wit and all detector terminals are brought out to Connectors are already mounted on the detecto anufacturer Cable connectors are delivered separately 1 e a Assembling is carried out by the user aces in the connector and cable parameters it is at all inputs and outputs of the detector as f one intrinsically safe circuit e With regard to surface distances 2 necessary while connecting to cor well as the circuits in the connecte e The version with connectors cann Use replacing it is not necessary to ope ises for example At the measurement one and take the one which was used to the This makes it possible t
28. o calibrate detectors in point you can replace the existing detector with workshop and calibrate it there Description It is an M12 A coded industry standard connector M12 c ctors A coded 8 pin connectors plated brass male connector with a with cable is not connected Instead of the gland on the detector body there is a zinc ni protective cap that must be screwed ap on the cable The connector cap must be ot connected to the connector on the There is a plastic connector with a metal nut and a protecti put on or screwed onto the connector 1f the connector cable detector body The connector has screw type terminals 15 5 2015 29 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Installation and assembly The connector on the detector body is delis d by manufacturer including connector cover pin numbering and wiring colour codes are referred to further Connector pin numbering is consistent with detector terminal numbering 8 pin Pin Colour Termina white Analogue out brown Analogue out green grey pink l l 2 2 3 3 4 yellow 4 Po 5 5 6 6 7 blue 7 RS485A 8 red 8 RS485B Wiring of connectors on detector rawn when looking into the connector The cable connector uses the same wiring colour codes as the connector on the detector body Wire stripping length and connector assemblingasandi i gure below It is absolutely ne
29. oes The calibration limit or sensor age have been exceeded or another special status is signalized Some of the special statuses can be cancelled by performing calibration through t S485 interface whereas others by repair at the manufacturer Special statuses are described in a separate table 15 5 2015 17 36 Troubles and special s If there are more special statuses at the ZAM SERVIS o K i anova 1116 Ostrava P voz 702 00 by the SC CH4 detector al status with the highest priority 1s reported on the display and in the communication protocol S atuses in the table are sorted according to priority the first is the status with the highest priority State Screen Possible solution 47 Critical erro Ory Restart the power supply Check that there Displayed co is no device with very high interference wrong intensity in proximity Special stat Criti Restart the power supply Check that there be is no device with very high interference wrong intensity in proximity pecial status on output emory could not repair by Restart the power supply Check that there itself E oncentration may is no device with very high interference be wron intensity in proximity Try to save new Special s values in memory 44 Externa
30. on using connectors can The enclosure of the equipment c eye slit and an eye slit for LED connecting area also has a box of release the bushing for inserting prohibited to dismount the c PCB with the display If metal parts are fixed to only be renewed by the ma Do not expose the equipment can be self actuated or the eguipmet se d conditions Special attention shall be hould be additionally protected against diation aintenance must eliminate the possibility cially applies to inspection glasses and milar chemical agents on the equipment not be used The version controlled by a be used sts of a box a head a display eye slit cover a display ushing or a connector The version with a separate e area It is only allowed to open the lids of the boxes eand connect the cable to the connector It is ming the enclosure and to dismount the top sealed with a permanent seal the seal can ized service png sources of magnetic fields Push buttons malfunction gt equipment they a 15 5 2015 6 36 ZAM SERVIS s r o K i anova 1116 Ostrava P voz 702 00 Installation and assem 1 Select the place to install the G cks mechanical stresses interfering electromagnetic fields temperatt 1 moisture conditions Check the box cable glands and packings grids and filter for good condition before using Attach SC CH4 onto a solid base through mounting trays with 4 4mm screws or directl
31. one Description and opera The device is placed in a polyester box with antistatic finishing It includes a cable gland mounting trays setting buttons LEDs and measuri ead with grid and filter through which the measured gas is brought to the catalytic sensor pelistor due to natural diffusion It is possible to turn on display backlight The sensor output is increased and converted to a digital value that is processed by an internal microcontroller The microcontroller software compensates the supply voltage of the bridge corrects the measured concentrations linearizes the concentrations for the whole measurement range the characteristic of the se ear only up to about 2 vol and shifts the offset automatically compensatio ence on the zero signal can be activated The detector checks the externa internal power supply 3 3 3V bridge power supply sensor centre er the sensor and checks also the memories internally FLASH RAM an are calculates and checks the sensor for age and calibration when the detec gt s the values into the internal memory every minute cyclically for 24 hours etc The measured concentration is displayed and converted to the analogue output voltage or current output with an adjustable range from 0 to 5 0V or 22 0mA The analogue output serves also for ower p st 10 plage p 15 5 2015 4 36 15 5 2015 ZAM SERVIS Ostrava P voz 702 00 o K i anova 1116 ial st
32. or they are only smaller Terminal boxes are mounted at the manufacturer already Use When connecting through an additional ter box it is not necessary to open the detector with electronics This reduces the risk of dirtying the area and damaging the electronics Description The terminal box is fixed to the det jumpers Between walls of the term or with a threaded tu box and the detect at the place of glands and reinforced with ere is a Seal Never dismount this joint In the terminal box there is the same se ie detector They are connected to terminals in the detector The terminal box is of similar design as the detector itself therefore similar conditions for installation maintenance etc apply 15 5 2015 33 36 220 15 5 2015 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Mechanical dimensions of SC CH4 eguipped with a separate terminal box 34 36 ZAM SERVIS s r o K i anova 1116 Informative form Ostrava P voz 702 00 Customer s identification Contact person phone no e mail address Short description of application Measured gas Maximum concentration Can other combustible gases occur Whic Oxygen concentration normally 21 Excess of oxygen YES NO Measured quantity Minimu Maximum value Required measuring range units from to Req
33. oz 702 00 A narina Exceec ing range If the detector was submitted to a concentration exceeding the measurement range more than 100 DMW or range it signals the overrange and the measurement is off The user must follow the emergency plan of the organis lat the emergency is over e g with a manual device Turn on the device and lace of the turned off detector and check the readings After the concentration decreas sible level you can restart the measurement manually using buttons or by t the power supply unit It is necessary to recalibrate the detector using gas and repea n after 24 hours and again after other 48 hours VA V Tests 1 alternative procedure The SC sensor checking and testing may c arried out by the calibration gas the concentration of which is within the measuring ran e detector Testing with any other alternative procedure is not permitted as ay res Stantaneous damage to the detector and the loss of its functionality That is why te igarette lighter and a fabric soaked in various chemicals etc are prohibited A erin Special condi The equipment is designed for low paid to the location of the equipme mechanical damage The equipment must be protected from direct U When used in the IIC group the installation an of danger from electrostatic discharge This e bushings The action of oils greases must be minimized Group II D dusts o The version with mechanical push buttons magnet must be used o A versi
34. ration operation maintenance and service must be provably familiarized with this man future reference LX sworn This manual applies to the labelling ordering control manual for older product versions after 1 March 2015 Changes in Ask for respective version of the user Use The SC CH4 detector is designed fo combustible gases in the atmosphere of lower explosive limit The explos H 2D Ex ia IIIC T87 C Db car 1 2 21 and 22 The M version for coal mines group I is equipped with a combustible sensor intended for measurement of methane an an active carbide filter and is not designed for measurement of differen eased resistance to H2S and silicones The version C for the chemical industry tended for methane ethane propane butane pentane hexane acetylene carb ydrogen ammonia eventually other combustible gases The sensor does not ent of higher hydrocarbons alcohols ketones esters and sulphur compounds increased resistance to H2S and silicones The CA version for chemical industry Group II is designed for measuring of ammonia The detector is not designed for continuous operation in high concentrations of ammonia as it is designed for measurement of concentration in case of random gas escape and for the time needed for ventilation ring of volume concentrations of 5 methane in the air or from 0 to 100 on IMI Ex ia I Ma II 2G Ex d ia IIC T4 Gb explosion risk SNM areas in coal mines or in the z
35. s o o mmm Terminals 3 4 5 6 7 8 Sensor Sensor lifetime Calibration curve deviation c II lt 45 Short term measurement instability I lt t0 1 Ihour Grol I lt 5 Long term measurement instability Group I lt 0 1 1 month Group II lt 10 Group I lt 0 20 Temperature effect 10 40 C a against 20 C Pressure effect 80 120kPa against Group I lt 0 2 100kPa Group II lt 5 Group I lt 0 2 CH4 or 10 measured value pe o Humidity effect 20 90 against 50 po E adnned value lt 0 50 Air speed effect 0 6m s p I lt 0 1 CH4 or 5 measured value Group II lt 5 range or 10 measured value Position effect 0 360 around three axes Vibration 10 30Hz 1mm 31 15 E E o 2g TALE II y Residual effect 20min after exposi o CH4 or 10 measured value to 50 CH4 concentration roup II lt 7 range or 15 measured value Group I lt 0 1 CH4 or 5 measured value 0 K Group I lt 5 range or 10 measured value 15 5 2015 User Manua 24 36 a or 5 measured value or 10 measured value H4 or 5 measured value ge or 10 measured value H4 or 5 measured value ange or 30 measured value H4 or 10 measured value ge or 15 measured value H4 or 30 measured value ge or 30 measured value Group I 25 CH4 or 5 measured value range or 10 measured value or 5 measured value nge or 10 measured value
36. t aa ecscscsssssssssssssscssssssssssscsscssssssssssssssssssssssssssseseccessansees 13 Compensation temperature effect n en 13 Analogne pUl 0 V DO TEN Epi 13 Digital binary output 0000 B S stocinsyieeddeapstnsabunsioiaiinabeedniantderpsheedesacbearens 13 Digital frequency output ea 2 13 Signalization LED ET 4 500002seriobianconlobicoenoncsnoadossaoniabtavaesdessensseninenesseonmuiwineneneeds 14 Oiber setine f SC C HA o I o EEE EEEE EOT en 14 Bakio e E E E 14 Access code new SCNSOT zmuu lt m oo oo 14 Special and calibration status ST aeaaeae eeaeee 14 Limit of calibration sensor and network address ccc ceecccccseeccceescccesscccessccccsecccceusccessnccessuceuess 14 OG egies c a ee ee cee eee 15 0 i CO O O 15 Saving the SSO INOS ag cae ce R O O DORO O O 0 15 RG AU US SV eo scat cents esd sora O Ms sot bees A E T 15 BO s Ca OCSE O OE oh Seater Tern T 16 General troubles of SC CH4 detector ccccccccssssssncneeceeeeeeeeeeeeeeeseeeeesesssesneeeeeeeeeeeeeeeeeesesseeeeeeeeeeeeeaaagas 17 Troubles and special statutes detected by the SC CH4 detector eee nen 18 Operating imstructions cece cc cccssssssssneeennssscccceeeneneeseeesecsenenes 19 Ma Inte Ce 00 0 eee a na aa 19 Safety functions and their verification TESIS sidcarasssesnsewmncnaanns M D gt siadeshansnn
37. t as lo protective caps on both connectors To avoid da properly Detector body with t nnector and the protective cap on Cable connector with protective cap on 31 36 15 5 2015 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Connector figures Cable connecto 15 5 2015 32 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Maintenance It is carried out similarly as described for Make sure to keep inner spaces of connectors and covers as well as threads clean Repairs and spare parts The following parts are delivered Type ins Order NS cable comecior JS Jomogso Pkdu led Panel mount connector 09 3481 642 08 Cut the wires short to 60mm strip 8mm insulation off at the length of 8mm and provide them with ferrules A 34mm insulation Comedorablewover JE os 2980000 000 s oo pi nil Minimum withdrawal quantity is in hundreds of metres Upon enquiry The panel mount connector is desig Nm Owing to its low tightening nut The remaining items as described for the produ detector body and it is tightened at 2 to 3 careful not to damage the connector Supplement B Detectors equi area a terminal box a separate terminal box General SC can be equipped with termina erminal boxes are of the same type as the body of the detect
38. the stability of the detector and a It is necessary to replace a dusty or damaged filt dusty and damp areas replace the filter always according to the operating conditions Foreign chemical substances products of combu measurement The leakage current in the cable case of the voltage analogue input can result in a measurement error The warning LED Alarm is not of a latch type The self holding alarm function up to 100 DMW or range must be realized in a following device A qualified person must carry out installation assembly and setting It is necessary to follow relevant re tions in organisations subject to supervision of the state mining administration The specific application use or linkage to other devices might develop further requirements for operation checks and mainter H4 These may be implied by relevant standards and technical rece ing an application operating assembly or a functional group as creat additional requirements to the application user is the resp such application operating assembly or a functional group gas at least once in 30 days It can be justed according to practical experience e requirements of applicable regulations r grid in the sensor head In case of re calibrating the detector or more often n or oxygen deficiency can devalue the nt analogue input or the voltage drop in Introduction of su sibility of supplier 5 36 ZAM SERVIS s r o K i anova 1116 Ostrava P v
39. tory setting of parameters If the calibration of the detector an ent and other setting were left out you can load the factory default setting of all parameters After the production values are saved the temperature sensor can be calibrated after you e he setting mode for the first time VAN After saving the factory settings it is necessary to set the correct gas type and perform calibrations Saving the settings fter you enter YES you will be asked again ed in the memory and the detector will be measurement mode In the end you can save all above set values in and after you enter YES once again all of the reset according to the new parameters and changed over to Reading the saved data SC CH4 saves measured values of concentration internal t erature internal and external voltage and operating status every minute cyclically for 24 hours You read the data through RS485 IS the protocol is compatible with MODBUS ASC RTU or on the display also if you do not know the code u can change over to the reading mode to read saved upper button you can move the data history minute more quickly If the power supply was restarted When the screen is in the measurement mod data by pressing the lower button list With by minute With holding the button the ti then the time data is not unique whic By pressing the lower button list you can select the individual quantities concentration temperature internal
40. uired output signal Hz From to Signalling special statuses Connection method Gland V MODBUS mA V MODBUS Connector Terminal box Cable diameter Reversing the output polarity YES NO Presence of dust corrosive substances smoke fog Potential substances causing insensibility silicones lead operation of the detector ents or other substances which can influence the Atmospheric pressure Elevation of installation From to Ambient atmosphere flow velocity Typical humidity Maximum humidity Maximum humidity Typical humidity For separated detector Maximum humidity For separated detector Maximum humidity For separated detector Typical temperature Maximu perature Minimum temperature Maximu For separ Typical temperature For separated detector perature etector Minimum temperature For separated detector Environment classification according to CSN Mark the required Zone Gases 0 l 2 Non Ex Dusts 20 21 22 Non Ex Mine M1 M2 Non Ex Note further specification reguired accessories Continued in chapter Delivery transport and storage 15 5 2015 35 36 Document revisions ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 7
41. ut will be on or off up to a certain limit value then set the limit value o Trans Output OR Trans Output OR SW ON TO TEMP LimitValTemp OK SW ON TO CONC vol 01 50 055 C Digital freguency output ntration or temperature using a frequency vol or 40 C the max frequency that If it is selected that the transistor output will send the co signal then set the min frequency vill corresponc will correspond to measure range or 10 aulse repeating The minimum and the maximum can be set in the range of 1 999Hz The range from 5 to 15Hz with repeating 1 1 is used as standard The DKD2000 system uses the range from 200 to 600Hz with the constant off period 200us that changes to 400us during calibration 15 5 2015 13 36 ZAM SERVIS s r o K i anova 1116 14 Ostrava P voz 702 00 Signalization LED e range 0 15 vol The signalization up to er is over the LED will turn off You can set the limit conc to light 100 LEL or range is not a latch ty Other setting of SC CH4 Backlight Now you can set other additional pare first you can set the display backlight mode only for 5 sec after the button is pressed T entering YES or leave them out by entering NO At an always be turned on turned off or turned on ght saves up to 5mA at 10V supply Access code new sensor You can set a new four digit access code for acc g mode Keep the access code so that only
42. vsdetdenewsndouvevuetaashaiuueerlendenneneneees 19 PRG als AICS PAN e Da ocn O O DOPO O E 20 Delivery transport and SOFA C6 sees ercsedas cages ajavedeasgcnceaesag 9 A si nri EE o ear ETE a EE areires 20 Table of glands cable cross sections and packing ccccccccccccccccccccceeeesssseeessssnnsneeeeeeeeeeeeeeeeeseeeeeeeeeeaaas 21 Reduction ring and packing instead of the Gland ccc ccccccccccccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaas 21 Fire Saliely ecology disposal recycling ui M rnnr n Eein E EN AON E a aaRS 21 Manufacturer and service organisation S o eine E TEE EE 21 Related standards regulations and doCUMON S wcccccecceneeeessssssscccccceececceceeesesseeeeeesessseeeeeeeeeeeesaaaeeseeeeeeeeeeeeaaas 22 Technical parameters and appearance lt I oo ccccccccssssssssssssssssssssssssssessesecseseseeseeseeeeeceseas 23 Basic technical parameters AB ooo eee eee eee eo nenene 23 Informative sensitivity of the de PIOUS PASES E 25 Informative sensitivity of the de ATIOUS gases and VApoUTS 25 Max resistance of supply line loop AOP O ie in RR 26 Reachable distance from power SUPP Y CHMNOMMIMDDMPE ES 0 0 cccccccssscsssssssssscssnnssssseecccssseescecsssseeaaaesesceceeseaaes 26 Conversion characteristic 0 5 CH4 for 0 4 20 MA eee ceeeeseeesssesesssssssssssssssssssssssssseeeeceeeaeas 21I Conversion characteristic of
43. y through the holes in the box Select the place where you can exp ations or in place of an el device that shall be turned off when the conce ses lighter than the air methane natural gas coal gas acetylene hydrogen am ceiling for gases heavier than the air p pentane hexane at the floor The wind must not blow towards the sensor but fr rom the side and the potential condensation must not run to the sensor The best thir e detector is directed with its sensor downwards or horizontally in the wind di 2 The detector must be installed in K areas in accordance with this user manual local other valid regulations and s 3 Connect the analogue input of the Connect the supply voltage 10 30V terminals 3 and 4 Bring the galvanically separated tra Connect the communication conduc d B to the terminals 7 and 8 The max cross section of connecting wires is 2 5m W stripping length is 5 6 mm The conductor ends must not be free standing When handling pay close attention do not damage the electronics The terminating resistor on the RS485 IS bus shall be connected using two jum nfiguration of the digital output shall be implemented using jumpers to 4 The cable diameter in the M20 gland ca for orders can be ordered for a different cable Tighten the gland properly it mus and torsional stress of the cable in place the box cover on and seal properly 5 Set the required parameters of the indicator and aft calibrate t
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