User Manual - INTEC Controls
Contents
1. da relevant Suite 100 P DT5 1112 V1 UserManual Specifications subject to change without notice USA 151109 Page 12 of 15 10 Figures Application Analog mode Fig 1 eS Do not connecting 24 VAC at Pin 2 and Pin 4 or 24 VDC at Pin 2 and 0 VDC at Pin 4 Short circuit R 10 Ohm burns up Application DGC5 Bus mode Fig 2 24 VDC 0 VDC Bus A Bus B IMEC CONTROLS ee 5 14092 Analog_Ou 4 3 0 VAC DC 742 24 VACIDC 1 PI D X4 Transmitter ADTX3 7 Bus B Option 7 n Relay Analog 6 Bus A Transmitter 6 5 4 20 mA Inp RA 1 4 20 mA 9 4 5 4 Analog Out L2 OVDC 4 3 124 VDC Out 3 24 VDC 3 2 0 VDC 4 pn 1124 VDC rEgr15 1 x4 R2 9 X5 x4 Transmitter ADTX3 Connection field bus and tension Bus B Option Bus A Relay 4 20 mA Inp 1 R1 A Analog_Out 2 24 VDC_Out 3 0 VDC 4 24 VDC ern s5 R2 ld X5 Transmitter e ADTX3 Connection analog transmitter Two or three wire connection Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual INEC Specifications subject to change2. IVISR ELECTRONIC MEL CONTROLS PolyGard DT5 1112 Electrochemical Carbon Monoxide Transmitter Serial No DT5 1112 User Manual December 2008 November 09 2015 Revision Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page 20f 15 CONTROLS 1 Gen ral QV6rviQw a aaaccio penso sn hien ana a pano ER ARR Rn eraan Rao ER ERAN AM REETARRERRRDRRRNRRRRRP Ra M RRPDRRRRNRRRR RA RRRKRRR NOE Kane 3 2 Functional D scriplion 5 iie iine e adiac iii Lxx esie Drac Lecce sd snae Lau a osa Ee gea oo uua saccis 3 ad ee oai 0 010 eee 3 ZZ T gt 3 3 lici e M 4 3 1 Mounting Instructions sssssssssssssssssssseen eene ne nennen nennen a sense nnns nn nnn nnn nnn nnns 4 E AN MERC EH O 4 A Een ECihidinbEe CIT 4 4 1 Wiring Connection sesssssssssssssssssssseeeee enne nnne nnnrn entr sh nnn enhn snnt n nn nrn snnt rsen nnn nee 4 5 COMMISSIONING EO 5 EMO Ec Lilla ee 5 5 2 Manual Calibration essen nnne
3. plug in transmitter card with the sensor may be returned for service to INTEC Controls 11 4 Limited Warranty MSR Electronic GmbH and INTEC Controls warrants the PolyGard transmitter for a period of two years 12 months normal exposure for the sensor 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 INTEC Controls 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 and or INTEC Controls shall not be liable for any incidental or consequential damages arising out of or related to the use of the PolyGard transmitter If the PolyGard transmitter needs to be returned to INTEC Controls for service an RMA number must be obtained prior to sending Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols
4. without notice USA 151109 Page 130f15 CONTROLS PCB DT5 1112 Fig 3 Type DT5 1112 Anal Ouput Start Point EE 20 Option om 0 Manual Calibration N 4 gt XS o c c 9 o c 3 U NVU BOO O X E E E OD ak OND Anal Output VDC Terminal block X4 Selection analog output signal Fig 4 Jumper 0 20 Jumper V A Output signal Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual INEC Specifications subject to change without notice USA 151109 Page 140f 15 CONTROLS Calibration adapter Fig 5 Type CONKIT E CH LC Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page 150f 15 CONTROLS 11 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 cha
5. 2 Accuracy 3 ppm Repeatability 3 96 of reading Long term output drift 5 signal loss year Response time too lt 50 sec Life expectancy gt 5 years normal operating environment Humidity range short term 0 95 RH non condensing Temperature range continuous 10 C to 50 C 14 F to 122 F Temperature range short term 20 C to 50 C 4 F to 122 F Cross sensitivity Concentration ppm Reaction ppm CO Acetone C3HgO 1000 0 Acetylene C2H2 40 80 Ammonia NH3 100 0 Chlorine Cl 2 0 Ethanol C H5OH 2000 5 Iso Propanol Cs HsO 200 0 Carbon dioxide CO2 5000 0 Nitrogen dioxide NO2 50 1 0 Nitric oxide NO 50 8 Sulphur dioxide SO 50 0 5 Hydrogen Sulphide H2S 25 0 Hydrogen H2 100 20 Electrical Power supply 18 28 VDC AC reverse polarity protected 2 wire mode Only VDC Power consumption without options 10 mA max 0 3 VA 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 a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManu Output signal Analog output signal Selectable Current tension Serial interface Transceiver al Starting point 0 20 96 0 4 20 mA load x 500 Q 0 2 10 V load 2 50k Q proporti
6. NTROLS IMEC 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 3 1 Mounting Instructions When choosing the mounting site please pay attention to the following The specific weight of carbon monoxide is a smaller than that of air factor 0 97 Recommended mounting height is 1 5 m 5 feet to 1 8 m 6 feet above floor Choose mounting location of the sensor according to the local regulations Consider the ventilation conditions Do not mount the transmitter in the center of the airflow air passages suction holes Mount the transmitter at a location with minimum vibration and minimum variation in temperature avoid direct sunlight Avoid locations where water oil etc may influence proper operation and where mechanical damage might be possible Provide adequate space around the sensor for maintenance and calibration work Duct mounting Mount only in a straight section of duct with minimum air vortex Keep a minimum distance of 1 m 3 5 feet from any curve or obstacle Mount only in a duct system with a maximum air velocity of 10 m s 2000 ft min or less Mounting must be performed so that the probe openings are in line with the airflow 3 2 Installation Open the cover Unplug basic PCB
7. c occ ns ern E tem Mtaakeebscace 15 11 4 Limited Warranty RM 15 Polygard is a registered trademark of MSR da relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page 30f 15 CONTROLS Electrochemical Carbon Monoxide Transmitter 1 General Overview The PolyGard CO analog gas transmitter DT5 1112 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 carbon monoxide 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 The PolyGard CO analog transmitter must not be used in potentially explosive atmospheres 2 Functional Description 2 1 Control Mode The transmitter can be connected to the PolyGard DGC5 system via the RS 485 interface In this mode there is an analog input for the connection of an additional 4 20 mA transmitter 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 commissio
8. carefully from the bottom part Fix bottom part by screws vertically to the wall terminal blocks to the ground Plug in the basic PCB at X4 and X5 with care Replace the cover 4 Electrical Connection Consider static electricity See 3 Mounting Installation of the electrical wiring should only be performed by a trained specialist according to the connection diagram without any power applied to conductors and according to the corresponding regulations Avoid any influence of external interference by using shielded cables for the signal line but do not connect the shield Required cable for RS 485 mode 0 8 AWG shielded twisted cable It is important to ensure that the wire shields or any bare wires do not short the mounted PCB 4 1 Wiring Connection Open the cover Unplug basic PCB carefully from terminal blocks at X4 and X5 Insert the cable connect cable leads to terminal blocks See fig 1 and 2 Replug the PCB in the terminal blocks X4 X5 Replace cover Note A Connection of Power supply at the Output signal X4 Pin 4 will destroy the Transmitter Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page 50f 15 CONTROLS 5 Commissioning Consider commissioning instructions at any exchange of sensor e
9. e two 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 In the DGC5 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 Software calibration via PC In the standard version equipped with the communication connector X12 calibration can also be done by means of the configuration and calibration software Software calibration is possible for both control modes Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual Specifications subject to change without notice USA 151109 PageGof 15 CONTROLS IMEC 5 2 Manual Calibration 5 2 1 Zero point Connect calibration adapter carefully to the sensor element Apply synthetic air 150 ml min 1 Bar 14 5 psi 10 or CO free ambient air 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 p
10. lements 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 DT5 1112 for proper mounting at X4 and X5 e Addressing of the transmitter in the DGC5 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 of CO free ambient air e Test gas bottle with CO ppm in the range of 30 80 of the measuring range e Gas pressure regulator with flow meter to control the gas flow to 150 ml min e Calibration adapter with tube depending on the transmitter type DT5 1112 Calibration set CONKIT E CH LC See fig 5 e Digital voltmeter with range 0 300mV accuracy 1 and a small screwdriver e DGC5 configuration and calibration software incl USB RS 485 communication set only for software calibration mode Note Prior to calibration the sensor element must be fully stabilized by applying power voltage for at least 1 hour without interruption Please observe proper handling procedures for test gas bottles Attention CO 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 Calibration Depending on the version and the control mode there ar
11. low LED not flashing No communication at the transmitter Transmitter not addressed check bus wiring incl topology and termination Voltage 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 depends on the used transmitter type and can be read from the table Technical Data see 9 Other gases can have an influence on the sensitivity too The table does not claim to be complete The indicated sensitivity data are only standard values referring to new sensor elements Polygard is a registered trademark of MSR Y relevant 12700 Stowe Drive suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual BEEN NEN WEL ions subject to change without notice USA 151109 Page 100f15 CONTROLS 9 Technical Data General sensor performances Gas type Carbon monoxide CO Sensor element Electrochemical diffusion Measuring range standard other ranges 0 300 ppm ex works according to the data sheet adjustable between 0 150 and 0 300 ppm Pressure range Atmosphere 15 Humidity 15 90 RH non condensing Storage temperature range 5 C to 20 C 41 F to 64 F Storage time Max 6 months Mounting height 1 5 to 1 8 m 5 to 6 ft Type DT5 111
12. nennen nnne nrn nnns nennen nnne nnns 6 921 ZOPIR PER 6 SU MEC MeL 6 5 2 3 Calculation of Control Voltage ceccceeccceeeseceeeeeeeeeeeeeeeeeeteeeeeeeeeeeeaeescaeeeeceeeeseeeeeeeeeeeeeeeees 6 5 3 Calibration with DGC5 Configuration and Calibration Software sesssssses 7 MP el G sedea AEE eE E seu sancsensvecusannesas secededcebetaeass iE Ea EAR 7 5 5 Option Relay OU PUT issiria inp isa eaae ERE ra an a eai Ea Eii 7 6 Inspection aNd Service cieli Le eo Me E Ea a eise ean e naue De Ca Aaaa aeea RE E RR AEAEE nanan MEER EEEREN i 8 NEM Ictzio leote E 8 B 2 CaliDratiOn eL m 8 6 3 Exchange of Sensor Element 5 idee ice fece scadedoeds aaa eC e ene Pete aaaea 8 7 roubleshooting eI ee rein nec e inta ite esos d exec E E ceo una ce exa ect cues 9 ro MEDICI EUER 9 8 Cross sensitivity Dafa unco taire perstat erasa Eyes Les Gasp aea eda aab eps e nae fadura sasi 9 9 Technical Data eii retenir rae e etr iia xa e EAA cvsccuaausdeutacecesscehecssseesunc sscesceusdstaaecbncesan 10 ROME QUO ee Dc 12 11 Notes and General Information eeeeeeeeeeeeeeeeee esee ne nnne nnne nnn then hann nn sane n nnns n annes 15 11 1 Intended Product Application essen nennen nnne nennen nene 15 11 2 Installers Responsibilities eesessssssssssseseeeneeee enne 15 11 3 MainteriariCe oesescei rette EE eios nx Fes pei xad pesa
13. nge 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 11 1 Intended Product Application The PolyGard DT5 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 11 2 Installers Responsibilities It is the installer s responsibility to ensure that all PolyGard DT5 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 the codes standards and proper safety procedures for control installations as well as the latest edition of the National Electrical Code ANSI NFPA70 It is also essential to strictly follow all instructions as provided in this user manual 11 3 Maintenance It is recommended to performance check the PolyGard DT5 transmitter regularly With regular maintenance any performance deviations may easily be corrected Re calibration and part replacement in the field may be implemented by a qualified technician with the appropriate tools Alternatively the easily removable
14. ning of the DGC5 hardware 2 2 Sensor The sensor portion of the transmitter is a sealed electro chemical cell with two electrodes sensing and reference type DT5 1112 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 oxidation 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 necessary See paragraph 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 registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual Specifications subject to change without notice USA 151109 Page 40f 15 CO
15. onal overload and short circuit proof RS 485 19200 Baud Protocol Physical Enclosure MSR DTO05 Stainless steel V2A Enclosure colour Natural brushed Dimensions H x W x D 113 x 135 x 45 mm 5 35 x 4 5 x 1 8 in Weight Approx 0 5 kg 1 1 Ibs Protection class IP 55 Mounting Wall mounting pillar mounting Cable entry Standard 1 x M 20 Wire connection Wire distance Guidelines Relay output Alarm relay 1 Alarm relay 2 Screw type terminal min 0 25 to 2 5 mm 24 to 14 AWG Current signal ca 500 m 1500 ft Voltage signal ca 200 m 500 ft EMC Directive 89 336 EEC CE Options 30 VAC DC 0 5 A potential free SPDT 30 VAC DC 0 5 A potential free SPNO SPNC Power consumption Acoustic pressure 30 mA max 0 8 VA Warning buzzer 85 dB distance 300 mm 1 ft Temperature controlled Frequency 3 5 kHz Power consumption 30 mA max 0 8 VA LCD Display LCD Two lines 16 characters each not illuminated Power consumption 10 mA max 0 3 VA Heating 3 C 2 C 37 5 F 35 5 F Ambient temperature 40 C 40 F Power supply 18 28 VDC AC Power consumption Analog input Only for RS 485 mode 0 5 A 12 VA 4 20 mA overload and short circuit proof input resistance 200 Q IMEC CONTROLS Indications only for stainless steel option for further types see AT DT Enclosure datasheet
16. pm 40 mV 168 mV 200 mV x200 ppm 200mV 250 ppm 250 ppm Polygard is a registered trademark of MSR a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page7ofi5 CONTROLS 5 3 Calibration with DGC5 Configuration and Calibration Software 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 150 ml min 1 Bar 14 5 psi 10 or CO free ambient air e Wait until the measuring value is stable and then perform automatic zero calibration e Apply calibration test gas CO 150 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 96 In this case the sensor has to be replaced Further information can be taken from the user manual of the DGC5 Configuration and Calibration Software 5 4 Addressing In the DGC5 Bus mode each transmitter gets its communication address In
17. pm Signal start at O V or 0 mA OmV 20 ppm If the zero point is out of the admissible range gt 20 mV at starting point 096 gt 60 mV at starting point 2096 before calibration there is no correction of the measuring signal The sensor has to be replaced Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting Gain Connect calibration adapter carefully to the sensor element Apply calibration test gas CO 150 ml min 1 Bar 14 5 psi 10 Wait two minutes until the signal is stable adjust control voltage with potentiometer Gain until the signal corresponds to the calculated value 3 mV 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 5 2 3 Calculation of Control Voltage Signal start 2 V 4 mA Control voltage mV 160 mV x test gas concentration CO ppm 40 mV measuring range CO ppm Signal start 0 V 0 mA Control voltage mV 200 mV x test gas concentration CO ppm measuring range CO ppm Example Measuring range 250 ppm Test gas concentration 200 ppm CO Control voltage Signal start 2 V 4 mA 168 mV Control voltage Signal start 0 V 0 mA 200 mV Signal start 2 V 4 mA Signal start 0 V 0 mA 160 mV x 200 p
18. ted at regular intervals We therefore recommend concluding a service contract with one of our authorized partners 6 2 Calibration See section 5 1 and 5 2 At commissioning and at periodic intervals determined by the person responsible for the gas detection system recommendation every 12 months After exchange of the sensor If in case of operational or climatic influences the sensitivity of the sensor falls below 70 in operation calibration will not be possible any more Then the sensor has to be changed 6 3 Exchange of Sensor Element Consider static electricity See point 3 Sensor should always be installed without power applied Unplug basic PCB DT 1112 carefully from the bottom part Unplug old sensor from the PCB Take the new sensor out of the original packing Plug in the sensor element into the PCB Replug the PCB DT 1112 into terminal blocks X4 X5 carefully Calibrate according to section 5 Polygard is a registered trademark of MSR Y relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page90f15 CONTROLS 7 Troubleshooting 7 1 DGC5 Bus Mode Yellow LED not shining Power voltage not applied Measure voltage at X4 Pin 1 and 2 PCB not plugged in correctly at X4 X5 Replug PCB correctly Check wiring Yel
19. the standard version with the communication connector X12 addressing is done by means of the DGC5 Configuration and Calibration Software See user manual of the Configuration and Calibration Software 5 5 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 40 ppm Alarm threshold 2 Relay 2 80 ppm Switching hysteresis 15 ppm Polygard is a registered trademark of MSR Y relevant 12700 Stowe Drive suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols DT5 1112 V1 UserManual WEL Specifications subject to change without notice USA 151109 Page 80f 15 CONTROLS 6 Inspection and Service 6 1 Inspections Inspection service and calibration of the transmitters should be done by trained technicians and execu
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