3. Vario-Sense® CO
Contents
1. 7 Bus_B Option Controller 6 Bus A Relay 5 4 20 mA_Inp Ri 1 4 20 mA 4 Analog_Out AU 24 V 3 24 V_Out 3 0 Ee 20V 4 1 24 AC DC NTEN 5 X4 _ R2 blo X5 Transmitter ADTX3 Three wire connection VDC output signal 0 20 mA output signal Relay output LCD display Heating Do not connect 24 VAC at pin 2 and pin 4 or 24 VDC at pin 2 and O VDC at pin 4 Short circuit R 10 Ohm burns up 7 Bus B Option 6 Bus A Relay 5 4 20 mA_Inp Ri 1 4 Analog_Out A4 2 3 24 VDC_Out 3 2 0 VDC 4 1 24 VDC re 5 X4 R2 a X5 Transmitter ADTX3 Connection field bus and tension PolyGard is a registered trademark of MSR Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 MSR Electronic GmbH W rdinger Str 27 D 94060 Pocking www msr electronic de 51100 Analog_Ou 4 rd 0 VAC DC 2 24 VACIOC gt 1 gt QD X4 Transmitter ADTX3 Analog Transmitter Bus_A Relay 4 20 mA 4 20 mA_Inp Ri 1 0 VDC Analog_Out A 2 24 VDC 24 VDC_Out 3 0 VDC 4 24 VDC o 5 Re E X5 Transmitter ADTX3 Connection analog transmitter Two or three wire connection depending on transmitter type GAADT231130_E_0611 Specification subject to change without notice Printed in Germany User Manual PolyGard NO Transmi2. ADT23 1130 see Electrochemical Nitrogen Dioxide Transmitter 1 Intended Use The PolyGard NO analog digital gas transmitter ADT 23 1130 with digital processing of the measuring values and temperature compensation is used for the continuous monitoring of the ambient air to detect the presence of nitrogen dioxide gas Main application ranges are underground car parks tunnels engine test stations shelters loading areas etc The intended sites are all areas being directly connected to the public low voltage supply e g residential commercial and industrial ranges as well as small enterprises according to EN50 082 The PolyGard NO analog digital transmitter must not be used in potentially explosive atmospheres The transmitter must only be employed in areas within the environmental conditions as specified in the Technical Data 2 Functional Description 2 1 Control Mode In addition to the analog output the transmitter is equipped with a serial interface RS 485 for the connection to the PolyGard DGC 05 system Analog mode The analog output can be selected as current signal with 0 4 20 mA or as voltage signal 0 2 10 V In the 4 20 mA mode and without any supplementary options the ADT53 also works in the 2 wire technique DGC 05 Bus mode The transmitter can be connected to the PolyGard DGC 05 system via the RS 485 interface In this mode there is an analog input for the connection of an additional 4 20 mA transmitte
3. PolyGard ADT23 1130 Electrochemical Nitrogen Dioxide Transmitter Serial No AT03 005 User Manual October 2011 PolyGard is a registered trademark of MSR GAADT231130_E_1011 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 5 ise age 2 1 Ntended SC arose cr a tit Roda diia 3 2 Functional DescriptioN ciclo cari laicidad 3 231 ControlMode sitters de tied 3 A NN 3 S US telethon ddr 4 31 MountingInstrUCUONS incidir Eo 4 E PARE E ie LE eTa a teatral NIETO E A AE E A at taeveee tary a asisees 4 4 Electrical COMMCCUUION e ee e e e ea he uae e e a e e a eaaa aiaa 4 4il Wiring C nnectioNiimenini anio ua nde a haa ae a 5 5 COMMISSIONING iia 5 5 1 Correction of the Zero point at the Analog Output Signal c ccecccececeeeneeceeeeeeeeeeesaeeteneeeees 5 2 CallbralO ia it da a a TE E EE Aaa clue 6 5 32 Manual Calibracion aaa di dd iia toa sheaey do caldtaavcuuntseeviateace Huy 6 AA O CO 6 A NN 6 5 3 9 Calculation of Control VO AJO 0 iia cie odres 7 5 4 Calibration with DGC 05 Service Tool c ooccocncccinicininiccnncccnnonnnncnncnnccnnnrnnn arcano cnn rra 7 5 5 Calibration with DGC 05_EasyCOMf occincconnnccnnocnnnncccnoncnn cnc naar cnn rca rn 7 5 6 Addressing only for DGC 05_BUS mode cooococinoccnoccccnonc
4. 2 to 2 5 ft Stability amp resolution 0 2 ppm Repeatability lt 2 of reading Long term output drift lt 12 signal loss year Response time too lt 25 sec Life expectancy gt 4 years normal operating environment Cross sensitivity Concentration ppm Reaction ppm NO3 Ammonia NH3 100 0 Chlorine Cl 1 1 Carbon dioxide CO 5 000 0 Carbon monoxide CO 400 0 Ethyl alcohol C Hs OH 100 0 Ethyl acetate CH COOC gt H5 100 lt 0 5 Ethylene C2H4 500 0 Hydrogen H2 1000 0 Nitrogen oxide NO 50 0 Hydrogen sulphide H2S 20 25 Sulphur dioxide SO 30 0 6 Toluene C7Hg 50 lt 1 5 Electrical 18 28 VDC AC reverse polarity protected Power SUppIy 2 wire mode only VDC P di Power consumption without options Analog mode 22 mA max 0 6 VA DGC 05_Bus mode 12 mA max 0 3 VA Output signal Analog output signal 0 4 20 mA load lt 500 Q Selectable Current tension 0 2 10 V load gt 50 k Q Starting point 0 20 proportional overload and short circuit proof Serial interface Transceiver RS 485 19200 Baud 9600 ModBus Protocol depending on version MSR_DGCO05 or ModBus 1 The table doesn t claim to be complete Other gases too can have an influence on the sensitivity The mentioned cross sensitivity data are only reference values valid for new sensors PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without noti
5. Notes and General Information It is important to read this user manual thoroughly and clearly in order to understand the information and instructions The PolyGard transmitters must be used within product specification capabilities The appropriate operating and maintenance instructions and recommendations must be followed Due to on going product development MSR reserves the right to change specifications without notice The information contained herein is based upon data considered to be accurate However no guarantee is expressed or implied regarding the accuracy of this data 12 1 Intended Product Application The PolyGard transmitters are designed and manufactured for control applications and air quality compliance in commercial buildings and manufacturing plants i e detection and automatic exhaust fan control for automotive maintenance facilities enclosed parking garages engine repair shops warehouses with forklifts fire stations tunnels etc 12 2 Installers Responsibilities It is the installer s responsibility to ensure that all PolyGard transmitters are installed in compliance with all national and local codes and OSHA requirements Installation should be implemented only by technicians familiar with proper installation techniques and with codes standards and proper safety procedures for control installations and the latest edition of the National Electrical Code ANSI NFPA70 It is also essential to follow strictl
6. Power consumption 10 mA max 0 3 VA LED indicator Green yellow red Power supply Low Alarm High Alarm Power consumption 10 mA max 0 3 VA Heatin Temperature controlled 3 2 37 5 F 3 6 F Ambient temperature 40 C 40 F Power consumption 0 3A 7 5 VA Analog input Only for RS 485 mode 4 20 mA overload and short circuit proof input resistance 200 Q Tension for external analog transmitter 24 VAC DC depending on the power supply max load 50 mA PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH W rdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 10 Figures Application Analog Fig 1 mode Controller 4 20 mA 24 V OV Bus_B Bus_A 4 20 mA_Inp Analog_Out 24 V_Out OV 24 VDC X line aalo y Transmitter ADTX3 Gala lwim Two wire connection 4 20 mA output signal without options Es Application DGC 05_Bus or ModBus mode Fig 2 0 VDC Bus A Bus B 24 VDC Page 13 Do not connect power supply at this pin 0 VDC 24 VAC or OVAC will destroy the transmitter
7. of 30 70 of the measuring range Rest is synthetic air e Gas pressure regulator with flow meter to control the gas flow to 400 ml min e Calibration adapter with tube Calibration set AT1110S02 See fig 5 e Digital voltmeter with range 0 300 mV accuracy 1 and a small screwdriver e Calibration tool DGC 05 STL only for calibration with service tool DGC 05 e DGC 05 configuration and calibration software incl USB RS 485 communication set only for software calibration mode Note Prior to calibration the sensor must be connected to the power supply and fully stabilised for at least 6 hours without interruption Please observe proper handling procedures for test gas bottles regulations TRGS 220 Attention NO calibration gas is toxic never inhale the gas Symptoms Dizziness headache and nausea Procedure if exposed Take the victim into fresh air at once call a doctor 5 1 Correction of the Zero point at the Analog Output Signal The analog output signal is factory set to the zero point lf necessary a manual adaptation of the analog signal is possible within 10 sec after having applied the supply voltage e Jumper 0 20 for signal start has to be set 4 mA or 2 V e Connect digital voltmeter 300 mV at test pint Test measuring signal 40 mV 4 0 mA e Switch on the operating voltage e Each pressing on the Zero push button increases the signal by 0 5 mV 0 05 mA Press the button repeated
8. 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany
9. ait three minutes until the signal is stable adjust control voltage with potentiometer Gain until the signal corresponds to the calculated value 2 mV see calculation section 5 3 3 e Remove calibration adapter with a careful light turn Check the sensor for correct mounting By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor reaches a residual sensitivity of 30 Then the sensor has to be replaced PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Beet mse 5 3 3 Calculation of Control Voltage Signal start 2 V 4 mA Control voltage mV 160 mV x test gas concentration NO ppm 40 mV measuring range NO ppm Signal start 0 V 0 mA Control voltage mV 200 mV x test gas concentration NO ppm measuring range NO ppm Example Measuring range 20 ppm Test gas concentration 10 ppm NO Control voltage Signal start 2 V 4 mA 120 mV Control voltage Signal start 0 V 0 mA 100 mV Signal start 2 V 4 mA Signal start 0 V 0 mA 160 mV x 10 ppm 40 mV 120 mV 200 mV x 10 pom 100 mV 20 ppm 20 ppm 5 4 Calibration with DGC 05 Service Tool e Connect the DGC 05 Servic
10. ce MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Papei Physical Enclosure stainless steel Type 5 Stainless steel V2A Enclosure colour Natural brushed Dimensions W x H x D 113 x 135 x 45 mm 5 35 x 4 5 x 1 8 in Weight Approx 0 5 kg 1 1 Ib Protection class IP 55 Mounting Wall mounting pillar mounting Enclosure Plastic Type A Polycarbonate Flammability UL 94 V2 Enclosure colour Light grey RAL 7032 Dimensions W x H x D 94 x 130 x 57 mm 3 7 x 5 12 x 2 24 in Weight Approx 0 3 kg 0 6 Ib Protection class IP 65 Mounting Wall mounting Cable entry Standard 1 x M 20 Wire connection Screw type terminal 0 25 to 2 5 mm 24 to 14 AWG Wire distance Current signal ca 500 m 1500 ft Voltage signal ca 200 m 500 ft Guidelines EMC Directive 2004 108 EEC CE Approvals Enclosure Type A UL 508A Warranty 1 year on material without sensor Options Relay output Alarm relay 1 switching threshold 5 ppm 30 VAC DC 0 5 A potential free SPDT Alarm relay 2 switching threshold 8 ppm 30 VAC DC 0 5 A potential free SPNO SPNC Power consumption 30 mA max 0 8 VA Warning buzzer Acoustic pressure 85 dB distance 300 mm 1 ft Frequency 3 5 kHz Power consumption 30 mA max 0 8 VA LCD display LCD Two lines 16 characters each
11. ddress address address inactive inactive inactive inactive TMOOODN gt oono an Awan eo 5 7 Option Relay Output The two relays are activated in dependence of the gas concentration If the gas concentration exceeds the adjusted alarm threshold the corresponding relay switches on If the gas concentration falls below the threshold minus hysteresis the relay switches off again The contact function for relay 2 NC normally closed or NO normally open can be selected via the jumper NO NC See fig 1 and 3 Relay 1 is equipped with a change over contact Via the ModBus interface the two alarm thresholds and the hysteresis are freely adjustable at the PC within the measuring range The procedure can be read from the user manual ModBus Software The following parameters are factory set Alarm threshold 1 Relay 1 5 ppm Alarm threshold 2 Relay 2 8 ppm Switching hysteresis 1 ppm PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 males 6 Inspection and Service Inspection service and calibration of the transmitters should be done by trained technicians and executed at regular intervals We therefore recommend conclud
12. e Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor reaches a residual sensitivity of 30 In this case the sensor has to be replaced Further information can be taken from the user manual of the DGC 05 Configuration and Calibration Software PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Pegi 5 6 Addressing only for DGC 05_Bus mode In the DGC 05_Bus mode each transmitter gets its communication address In the standard version with the communication connector X12 addressing is done by means of the DGC 05 Service Tool or by the DGC 05 Configuration and Calibration Software See user manual of the Service Tool or of the Configuration and Calibration Software In the manual addressing version which can be identified by the address switch being equipped there is a maximum of 60 addresses to be selected See fig 3 The jumper is responsible to define the address group and the switch to define the address according to the following table Switch Jumper pos 01 Jumper pos 02 Jumper pos 03 Jumper pos 04 positon address a
13. e Tool to the transmitter open menu Calibration e Enter measuring range and test gas concentration e Connect calibration adapter carefully to the sensor element e Apply synthetic air 400 ml min 1 Bar 14 5 psi 10 or NO free ambient air e Wait until the measuring value is stable and then perform automatic zero calibration e Apply calibration test gas NO 400 ml min 1 Bar 14 5 psi 10 e Wait until the measuring value is stable and then perform automatic gain calibration e Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor reaches a residual sensitivity of 30 In this case the sensor has to be replaced Further information can be taken from the user manual of the DGC 05 Service Tool 5 5 Calibration with DGC 05_EasyConf e Connect the PC via USB RS 485 communication set to the transmitter open menu Calibration e Enter measuring range and test gas concentration e Connect calibration adapter carefully to the sensor element e Apply synthetic air 400 ml min 1 Bar 14 5 psi 10 or NO free ambient air e Wait until the measuring value is stable and then perform automatic zero calibration e Apply calibration test gas NO 400 ml min 1 Bar 14 5 psi 10 e Wait until the measuring value is stable and then perform automatic gain calibration
14. ed trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 pda ise 3 Installation Note Avoid any force e g by thumb on the sensor element during operation or installation Electronics can be destroyed by static electricity Therefore do not touch the equipment without a wrist strap connected to ground or without standing on a conductive floor acc to DIN EN100015 3 1 Mounting Instructions When choosing the mounting site please pay attention to the following e The specific weight of nitrogen dioxide NO is higher than that of air factor 1 59 Recommended mounting height is 0 6 m 2 feet to 0 8 m 2 5 feet above floor e Choose mounting location of the sensor according to the local regulations e Consider the ventilation conditions Do not mount the transmitter in the centre of the airflow air passages suction holes e Mount the transmitter at a location with minimum vibration and minimum variation in temperature avoid direct sunlight e Avoid locations where water oil etc may influence proper operation and where mechanical damage might be possible e Provide adequate space around the sensor for maintenance and calibration work Duct mounting e Mount only in a straight section of duct with mi
15. ing a service contract with MSR or one of their authorized partners According to EN 45544 4 inspection and service has to be executed at regular intervals The maximum intervals have to be determined by the person responsible for the gas warning system according to the legal requirements MSR E recommends checking the PolyGard Transmitter every three months and maintaining it every 12 months If different intervals are indicated always consider the shortest interval Inspections and services must be documented The date for the next maintenance has to be affixed to the transmitter 6 1 Inspection The PolyGard Transmitter should be controlled regularly by a competent person according to EN 45544 4 The following has to be checked in particular e Maintenance calibration interval not exceeded e Visual inspection of the transmitter including cable for damage etc Remove dust deposits especially at the gas inlet The filter at the gas inlet has to be replaced if extremely dirty 6 2 Service and Calibration When performing the maintenance you have to do the calibration and the functional test in addition to the inspection e Calibration See section 5 e Functional test Check the output signal at the test pins during calibration 6 3 Exchange of Sensor Element Consider static electricity See point 3 Sensor should always be installed without power applied e Unplug basic PCB ATO3 carefully from the bottom part e Unplug old senso
16. ly until the measuring signal reaches 40 0 2 mV After 44mV the signal starts again at 36 mV The correction is only possible within the 10 seconds after having switched on the power supply An impulse pause of more than 10 sec cancels the release of the correction function PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 ee 5 2 Calibration Depending on the version and the control mode there are three different possibilities to calibrate the transmitter Manual calibration Manual calibration is only possible if the transmitter is equipped with the push button Zero and the potentiometer Gain version for manual calibration Manual calibration is possible both in analog mode and in DGC 05_Bus mode In the DGC 05_Bus mode the jumper V A has to be set before manual calibration Only by doing so the control voltage is available at the test pins X6 Remove the jumper after calibration Calibration with the Service Tool DGC 05 In the standard version equipped with the communication connector X12 the transmitter is delivered for tool and or software calibration In the analog mode the service tool calibration is only possible with the 3 wire technique of the transmitte
17. nimum air vortex Keep a minimum distance of 1 m 3 5 feet from any curve or obstacle e Mount only in a duct system with a maximum air velocity of 10 m s 2000 ft min or less e Mounting must be performed so that the probe openings are in line with the airflow 3 2 Installation e Open the cover Unplug basic PCB carefully from the bottom part e Fix bottom part by screws vertically to the wall terminal blocks to the ground e Replug the basic PCB at X4 and X5 with care Replace the cover 4 Electrical Connection Consider static electricity See 3 Mounting e Installation of the electrical wiring should only be executed by a trained specialist according to the connection diagram without any power applied to conductors and according to the corresponding regulations e Avoid any influence of external interference by using shielded cables for the signal line but do not connect the shield e Recommended cable for analog mode J Y St Y 2x2x0 8 LG 20 AWG max loop resistance 73 Q km 20 8 Q 1000 ft e Serial Interface Mode Required cable for RS 485 mode J Y St Y 2x2x0 8 LG 20 AWG max loop resistance 73 Q km 20 8 Q 1000 ft When selecting and installing the cables you have to comply with the regulations concerning the RS 485 bus installation The installations have to be executed in line topology Cable length and type have to be considered as well e Itis important to ensure that the wire shields or any bare wires do n
18. nononcnanocnnoncn cnn cnn nora nnn nc nn rra rra 8 5 Option Relay OUtpUtietccuioricaal ralla la add adapta italia 8 6 I nspe tion ANA Service cromo ia eden 9 O OT 9 6 2 Service and Calibraci n di ti ii 9 6 3 Exchange of Sensor EleMent ooooncninnccnnnccnnnnncnnncnnncccnornnn coran 9 TO Troubleshooting coi ii 10 7A Analog Mode ierse a avd kiwi audi adel 10 72 DGGC 05 Bus Mode iman la 10 8 Cross sensitivity Dala r T a aaa aar aa aaaea dad dad 10 9 Technical Data serisini tiernas aani Epi 11 TO QUES aia 13 TU PartiDISPOSaAl ioana aa aaa coubanee suaducdesuaqacvestacanciscmpatceduaterdaccndarvesuedeececcueareecuunes 15 12 Notes and General Information ss sssnseunsuunreunnuunreunnnunnnunnnunnnunnnnnnnunnnnnnnnnnnnnnnnnnn unnn nnnn ennnen annene 15 12 1 Intended Product ApplicatiON ooooconncnnnnnnnnnnnnnccnnoncnnnccana nac narcnn arrancan 15 12 2 Installers Responsibilities ooooononninccnnnnnnninnnococccnncncnannnononccnnnnncnnnno nc nncnnnnn anno nc nn cnn ne nanna nan 15 12 3 MaintenanGe sac iect onan a epee adds a eens 15 12 4 Limited Warranty cti Geet ae othe ech heed avid Sid th hs Sead eect ofa 15 PolyGard is a registered trademark of MSR Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de GAADT231130_E_1011 Specification subject to change without notice Printed in Germany User Manual PolyGard NO Transmitter
19. ot short the mounted PCB PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Padu mse 4 1 Wiring Connection e Open the cover Unplug basic PCB carefully from terminal blocks X4 and X5 e Insert the cable and connect cable leads to terminal blocks See fig 1 and 2 e Replug the PCB in the terminal blocks X4 X5 with care Replace the cover Note The connection of the power supply at the output signal X4 pin 4 can destroy the transmitter 5 Commissioning Consider commissioning instructions at any exchange of the sensor element as well Only trained technicians should perform the following e Check mounting location e Select output signal form Current or voltage and starting point 0 or 20 See fig 4 e Check power voltage e Check PCB AT03 00X for correct mounting at X4 and X5 e Check the sensor for proper mounting at the connectors X7 of the PCB AT03 00X e Addressing of the transmitter in the DGC 05_Bus mode e Calibrate the transmitter if not already factory calibrated Required instruments for commissioning calibration of the transmitter e Test gas bottle with synthetic air 20 Ox 80 N or NO free ambient air e Test gas bottle with NO ppm in the range
20. r In the DGC 05_Bus mode calibration is always possible Software calibration via PC with Software DGC05_EasyConf In the standard version equipped with the communication connector X12 calibration can also be done by means of the configuration and calibration software DGC 05_EasyConf Software calibration is possible for both control modes 5 3 Manual Calibration 5 2 1 Zero point e Connect digital voltmeter to pin Test e Connect calibration adapter carefully to the sensor element e Apply synthetic air 400 ml min 1 Bar 14 5 psi 10 or nitrogen dioxide NO free ambient air e Wait 2 minutes until the signal is stable push button Zero for 5 seconds After successful calibration the measuring signal is corrected automatically Depending on the selected signal starting point the measuring signal shows the following values Signal start at 2 V or 4 mA 40 mV 0 ppm Signal start at 0 V or 0 mA OmV 0ppm If the zero point is out of the admissible range gt 20 mV at starting point 0 gt 60 mV at starting point 20 before calibration there is no correction of the measuring signal The sensor has to be replaced e Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting 5 3 2 Gain e Connect digital voltmeter to pin Test e Connect calibration adapter carefully to the sensor element e Apply calibration test gas NO 400 ml min 1 Bar 14 5 psi 10 e W
21. r The two measuring values are transmitted via the RS 485 interface to the gas controller The cable topology for the RS 485 bus can be taken from the Guidelines for wiring and commissioning of the DGC 05 hardware The two control modes are available in parallel 2 2 Sensor The sensor portion of the PolyGard AT53 1130 transmitter is a sealed electro chemical cell with three electrodes sensing counter and reference The ambient air to be monitored diffuses through a membrane filter into the liquid electrolyte of the sensor The chemical process of the measurement is one of reduction where one molecule of the target gas is exchanged for one molecule of oxygen The reaction drives the oxygen molecule to the counter electrode generating a DC microampere signal between the sensing and reference electrodes This signal is linear to the volume concentration of the sensed gas The signal is evaluated by the connected amplifier and transformed into a linear output signal Electrochemical processes always lead by and by to a loss of sensitivity Therefore regular calibration of zero point and gain is obligatory See also section 6 Caution There is a small quantity of corrosive liquid in the sensor element If in case of damage persons or objects touch the liquid you have to clean the affected areas as fast and carefully as possible with tap water Out of use sensors must be disposed in the same way as batteries PolyGard is a register
22. r element from the PCB e Take the new sensor out of the original packing e Plug the sensor element in the PCB at X7 e Replug the PCB ATO3 in the terminal blocks X4 X5 carefully e Calibrate according to section 5 PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Page 10 mse 7 Troubleshooting 7 1 Analog Mode Trouble Cause Solution Output signal lt 3 mA 1 5 V Jumper 0 20 not set Check jumper position and or control voltage lt 30 mV Measure tension at X4 only for starting signal 2V 4 mA Power voltage not applied Two wire Pin 1 and 4 Three wire Pin 1 and 2 PCB ATO3 not plugged in correctly at X4 Replug PCB correctly and X5 Check the wiring Output signal gt 22 mA 220 mV Check the wiring Control voltage does not reach Sensor element not calibrated Calibrate sensor element the calculated value Replace sensor element No reaction of the output signal Power voltage not applied Measure tension at X4 in spite of gas concentration Signal Pin 4 not wired correctly Check the wiring 7 2 DGC 05 Bus Mode Yellow LED not shining Power voltage not applied Measure tension at X4 Pin 1 and 2 PCB not plugged in correctly at X4 X5 Repl
23. tter ADT23 1130 Page 14 PCB ATO3 Terminal block Fig 3 Option Manual Position Addressing 3 Anal Ouput g i o E y 8 Start Point LL eet mm 20 Option 0 X4 Manual Calibration 710 Sl O O 6l0 gt 1 510 2 410 S 3 310 e 4 210 ES 5 lle X5 Anal Output Selection analog output signal Fig 4 Jumper 0 20 Jumper V A Output signal Not set Not set Set Not set Not set Set Set Set Calibration adapter Fig 5 Type Calibr set AT 1110S02 PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 Page 15 11 Part Disposal Since August 2005 there are EC wide directives defined in the EC Directive 2002 96 EC and in national codes concerning the waste electrical and electronic equipment and also regarding this device For private households there are special collecting and recycling possibilities For this device isn t registered for the use in private households it mustn t be disposed this way You can send it back to your national sales organisation for disposal If there are any questions concerning disposal please contact your national sales organisation Outside the EC you have to consider the corresponding directives 12
24. ug PCB correctly Check wiring Yellow LED not flashing No communication at the transmitter Transmitter not addressed check bus wiring incl topology and termination Voltage lt 16 V No control voltage at calibration Jumper V A not set Set the jumper Remove it after calibration 8 Cross sensitivity Data The cross sensitivity can be read from the table Technical Data see section 9 The table doesn t claim to be complete Other gases can have an influence on the sensitivity too The indicated sensitivity data are only standard values referring to new sensor elements PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax 0049 0 8531 9004 54 Specification subject to change without notice MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de Printed in Germany User Manual PolyGard NO Transmitter ADT23 1130 a 9 Technical Data General sensor performances Gas type Nitrogen dioxide NO Sensor element Electrochemical diffusion Measuring range standard other ranges 0 20 ppm factory set according to the data sheet adjustable between 0 10 and 0 20 ppm Temperature range 10 C to 50 C 14 F to 122 F Pressure range Atmosphere 15 Humidity 15 90 RH non condensing Storage temperature range 5 to 30 C 41 F to 86 F Storage time Max 3 months Mounting height 0 6 to 0 8 m
25. y all instructions as provided in the user manual 12 3 Maintenance It is recommended to check the PolyGard transmitter regularly Due to regular maintenance any performance deviations may easily be corrected Re calibration and part replacement in the field may be implemented by a qualified technician and with the appropriate tools Alternatively the easily removable plug in transmitter card with the sensor may be returned for service to MSR Electronic GmbH 12 4 Limited Warranty MSR Electronic GmbH warrants the PolyGard transmitters for a period of one 1 year from the date of shipment against defects in material or workmanship Should any evidence of defects in material or workmanship occur during the warranty period MSR Electronic GmbH will repair or replace the product at their own discretion without charge This warranty does not apply to units that have been altered had attempted repair or been subject to abuse accidental or otherwise The warranty also does not apply to units in which the sensor element has been overexposed or gas poisoned The above warranty is in lieu of all other express warranties obligations or liabilities This warranty applies only to the PolyGard transmitter MSR Electronic GmbH shall not be liable for any incidental or consequential damages arising out of or related to the use of the PolyGard transmitters PolyGard is a registered trademark of MSR GAADT231130_E_0611 Phone 0049 0 8531 9004 0 Fax
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