User Manual - i+b controls
Contents
1. 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 Made in Germany User Manual PolyGard NH PERO ADT 53 1120 und ADT 63 1125 5 MSR nmn F ge Nc a 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 5 2 Manual Calibration 5 2 1 Zero point e Connect the calibration adapter carefully to the sensor element e Apply zero calibration gas 0 3 l min 1 Bar 10 or other clean air source to the sensor element e Wait 3 minutes until the signal is about 40 mV and stable then press the button Zero for 5 seconds Finished 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 0 ppm 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 Inspect close seat of sensor element 5 2 2 Gain e Connect calibration ada2. positon address address address address inactive inactive inactive inactive nmoowbloloNnNoao on KR wN eo 5 6 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 80 ppm Alarm threshold 2 Relay 2 250 ppm Switching hysteresis 15 ppm PolyGard is a registered trademark of MSR GAADTX31125_E 0408 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 Made in Germany User Manual PolyGard NH RS ADT 53 1120 und ADT 63 1125 MSR 6 Service and Inspection 6 1 Inspections Inspection service and calibration of the transmitters have to be done by trained technicians and executed a
3. 24 VDC Transmitter ADTX3 Sie ejn Two wire connection 4 20 mA output signal without options Application DGC 05 Bus mode Fig 2 24 VDC 0 VDC Bus A Bus B Xo niola alojn Bus_B Bus_A 4 20 mA Inp Analog Out 24 VDC Out Option Relay R1 0 VDC 24 VDC ADTXS3 o R2 P Transmitter SES oboe NO N Connection field bus and tension PolyGard is a registered trademark of MSR Phone 0049 0 8531 9004 0 MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking Fax 0049 0 8531 9004 54 7 Bus B Option Controller 6 Bus A Relay 5 4 20 mA Inp R1 1 4 20 mA 4 Analog Out 2 24 VDC 3 24 VDC Out 3 0 VDC He 0 VDC 4 1 24 VDC Spe r s X4 R2 eo X5 Transmitter e ADTX3 Page 13 Three wire connection VDC output signal 0 20 mA output signal Relay output LCD display Heating Analog Transmitter 4 20 mA 0 VDC 24 VDC Option Bus B m Relay Bus A 4 20 mA Inp Analog Out 24 VDC Out 0 VDC Hi R1 www msr electronic de oO A amp o N A e NO NC 24 VDC R2 Transmitter ADTX3 X lnl sajo X5 Connection analog tr
4. 4 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 Made in Germany User Manual PolyGard NH ADT 53 1120 und ADT 63 1125 9 Technical Data General sensor performances Gas type Ammonia NH3 Sensor element Electrochemical diffusion Measuring range 0 300 ppm 0 1000 ppm Pressure range Atmosphere 15 Humidity 15 90 RH non condensing Storage temperature range 5 C to 20 C Storage time Max 3 months Type AT 53 1120 Accuracy 4 ppm Repeatability lt 3 of reading Zero point 0 ppm 16 ppm Long term output drift lt 5 signal loss 6 months Response time too 35 sec Temperature range 10 C to 40 C Life expectancy gt 2 years normal operating environment Zero point Long term sensitivity output drift Cross sensitivity Concentration Reaction Carbon monoxide CO 300 ppm 0 ppm Hydrogen H2 200 ppm 0 ppm Sulphur dioxide SO2 20 ppm 7 ppm Hydrogen sulphide H2S 20 ppm 7 ppm Nitrate monoxide NO 20 ppm 1 ppm Nitrogen dioxide NO2 20 ppm 20 ppm Chlorine CI2 20 ppm 55 ppm Carbon dioxide CO2 2 96 vol 0 ppm Type AT 63 1125 Accuracy 15 ppm Repeatability lt 5 of reading 0 ppm 15 ppm 10 signal loss 6 months Response time too lt 120 sec t50 20 sec Temperature
5. PolyGard ADT53 1120 and ADT63 1125 Electrochemical Ammonia Transmitter Serial No AT03 003 User Manual April 2008 PolyGard is a registered trademark of MSR Phone 0049 0 853 1 9004 0 Fax 0049 0 853 1 9004 54 MSR Electronic GmbH Wiirdinger Str 27 D 94060 Pocking www msr electronic de GAADTX31125 E 0408 Specification subject to change without notice Made in Germany User Manual PolyGard NH ps ADT 53 1120 und ADT 63 1125 z 4MSR ql e eM a Le 1 intended for USD iioc eu coe cone iUe zoe Ue coco dee roc eue eno di dee aiani Ere 3 2 Functional DescrlipliOnh asciniciunasxka una kart to RO CR ER tananana aaa 3 2 1 Gotitrol MOod etat M E dite e ee qe M Ne iere ahisTs 3 2 2 Nice e Em 3 3 IMOUPIIDOQ ua x tails tercia tet baa Fe ek ux tatu cues tity suas Fee e Ve bvu a oues eru d a DOR adu ux bv CHER 4 3 1 Mounting Instructions tm ceder cederet tct pete is 4 3 2 acepte IE 4 4 Electrical Connection Instr a raa e ae P ERERKRERERERERERERRRER REPE SER REPRE 4 4 1 Wiring Connection 2 32 22 6 elc d eei dade ed iid ad sed dde dk ae eu aw d dose eds 4 5 COMMISSIONING enero n roni see e cR Kr Ba rir n EUR C re n ERR ERR E 5 5 1 GalibtattOn s coste ca E da cer te eae ete 5 5 2 Manual Galibration rro rte ERR ni cn er Red ake eh ansa E ERE a 6 5 2 1 A reel PPM 6 5 2 2 Gains ios ete mette diee t feme Ares ot eet Ie 6 5 2 3 Calculation of Control Voltage ie Aa EEE TO ene ener enn 6 5 3 Ca
6. alibration 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 GAADTX31125_E 0408 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 Made in Germany User Manual PolyGard NH RS ADT 53 1120 und ADT 63 1125 MSR 5 5 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
7. ansmitter Two or three wire connection depending on transmitter type GAADTX31125_E 0408 Specification subject to change without notice Made in Germany User Manual PolyGard NH ADT 53 1120 und ADT 63 1125 Page 14 PCB ATO3 Terminal block Fig 3 Option Manual Position Addressing us L ES Anal Output Start Point E 20 Option o0 0 Manual Calibration NO NC NO NC EN N ag gt E o c E 2 a 5 LL a A OU N 2 Mo ROO LJ NE NE NE E E Anal Output EH V DC OX mA Selection analog output signal Fig 4 Not set Not set Set Not set Not set Set Set Set Calibration adapter Fig 5 Type Calibr set AT 1110CO1 PolyGard is a registered trademark of MSR GAADTX31125_E 0408 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 Made in Germany User Manual PolyGard NH qe ADT 53 1120 und ADT 63 1125 4MSR 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 strictly followed Due to ongoing product development MSR reserves the right to change
8. ast 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 GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH acus ADT 53 1120 und ADT 63 1125 3 4MSR uuu Mh TOM i N a f 3 Mounting Caution Electronics can be destroyed by static electricity Therefore do not touch the equipment without a wrist strap connected to ground or without standing on conductive floor acc to DIN EN 100015 3 1 Mounting Instructions When choosing the mounting site please pay attention to the following e The specific weight of Ammonia NH3 is lower than that of air factor 0 59 e Installation at the highest point possible with a distance of ca 300 mm to the ceiling e Select the location of the sensor according to local regulations e Consider the ventilation conditions Do not mount the transmitter in the center 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 for maintenance and calibration work Duct mount
9. e Da ore tton Dp beri 15 PolyGard is a registered trademark of MSR GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH qe ADT 53 1120 und ADT 63 1125 4MSR Electrochemical Ammonia Transmitter 1 Intended for Use The PolyGard NH analog transmitter with digital processing of the measured values and temperature compensation is used to detect leakages of ammonia in the ambient air The sites intended for use are all areas being directly connected to the public low voltage supply e g domestic commercial and industrial ranges as well as small enterprises acc to EN 50 082 The PolyGard NH analog transmitter is not suitable for the application in areas exposed to explosive hazards 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 ADTX3 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
10. ftware calibration mode Note Prior to calibration the sensor element must be fully stabilized by applying power voltage for at least 18 hours without interruption Please observe proper handling procedures for test gas bottles according to TRGS 220 NH calibration gas is toxic never inhale the gas Symptoms at high concentrations Loss of motility and consciousness Procedure if exposed Get the victim into fresh air at once consult doctor 5 1 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 transmitter In the DGC 05 Bus mode calibration is always possible PolyGard is a registered trademark of MSR GAADTX31125_E 0408 Phone
11. he 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 transmitters 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 GAADTX31125 E 0408 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 Made in Germany
12. ing e 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 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 airflow is in line with probe openings 3 2 Installation e Open cover of enclosure Unplug PCB from terminal blocks e Fix bottom part by screws vertically to the wall terminal blocks to the ground e Re plug the PCB at X4 and X5 Replace the cover 4 Electrical Connection Consider static electricity See 3 Mounting e Installation of the electrical wiring should only be performed by a trained specialist according to the connection diagram and according to the corresponding regulations without any power applied to conductors e Avoid any influence of external interference by using shielded cables e Recommended cable for analog mode J Y St Y 2x2x0 8 LG 20 AWG max resistance 73 Q km 20 8 0 1000 ft e Required cable for RS 485 mode J Y St Y 2x2x0 8 LG 20 AWG max res 73 Q km 20 8 0 1000 ft e When the PBC is mounted it is important to ensure that the wire shields or any bare wires do not short the PCB 4 1 Wiring Connection e Open cover of enclosure Unplug PCB from terminal blocks X4 and X5 e Enter cable through hole connect cable leads to the terminal blocks See fig 1 and 2 e Re plug the basic PCB at the terminal blocks X4 X5 Close c
13. l mounted pillar mounted Cable entry Standard 1 x M 20 Wire connection Screw type terminal min 0 25 max 2 5 mm Wire distance Current signal ca 500 m Voltage signal ca 200 m Guidelines EMC Directive 89 336 EEG CE Warranty 1 year on material without sensor Options Relay output Alarm relay 1 30 VAC DC 0 5 A potential free SPDT Alarm relay 2 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 Frequency 3 5 kHz Power consumption 30 mA max 0 8 VA LCD Display LCD Two lines 16 characters each illuminated Power consumption 10 mA max 0 3 VA Heating Temperature controlled 3 C 2 C Ambient temperature 40 C Power supply 18 28 VDC AC Power consumption 0 5 A 12 VA Analog input Only for RS 485 mode 4 20 mA overload and short circuit proof input resistance 200 Q PolyGard is a registered trademark of MSR GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH ADT 53 1120 und ADT 63 1125 10 Figures Application Analog mode Fig 1 Controller 24 VDC 0 VDC 4 20 mA X lnia jao Bus_B Bus_A 4 20 mA Inp Analog Out 24 VDC Out 0 VDC
14. libration with DGC 05 Service Tool ssssssssseeeeeeee eene 7 5 4 Calibration with DGC 05 Configuration and Calibration Software ssssssss 7 5 5 Addressing only for DGC 05 Bus Mode ssssssseee enm nennen nnns 8 5 6 Option Relay Qutput 2 eter bee ER RET RN de Fe Rae DR ERR 8 6 Service aNd InspeclIOn ziii conii d iade rendi rad re ae eS ad uad Tasa MU a Rd DG 9 6 1 INS PSCUONS RT 9 6 2 Calibration sat eae tm dt coeno dada eee It ea eet dtes euer modera Bee 9 6 3 Exchange of Sensor Element 2 512 ib onim ae iti oe a due des Pee dere 9 f dJroubleshooUngQg un ascen cti end tt kb kn ER EA ER EA ER ER E A ERR E ma ER RR EN 9 7 1 Analog MOGe conie tee eta tet ee hee ii aie ge aaa tetera 9 15 2 vDGG 05 B s MOdGe rete reset tn ep cde tet eere cete deat A aAA 10 8 Gross Sensivity Data acre ea xL Hb Ede Re EE SEDE Y HER Ceu ERR edu EX LEVY EXRV ERA FE EX nenna 10 Ss Ue iius ieiuniis uai exuta pap Mut Maz iN RIAM aduidi saadaa udaa iiaiai aaia 11 UEM IDOL c 13 11 Notes and General Information Lees esses esses e eee eeeses 15 11 1 Intended Product Application sse nnns 15 11 2 Installers Responsibilities sssssseeene eere 15 Nid Se Maintenance 1 5 she eae ritur hoe ce hb eem utcetbumies eit dads hares mu ditte mies 15 TEA Limited Wanani oioi ertet ha reiten Datus cena rett
15. 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 commissioning of the DGC 05 hardware The two control modes are available in parallel 2 2 Sensor The sensor portion of the transmitter is a sealed micro fuel cell with three electrodes sensing counter and reference The ambient air enters the cell through a diffusion barrier 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 counter 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 the zero point and of the gain is necessary See also section 6 Caution Avoid any force e g by thumb on the sensor element during operation or installation This could destroy the sensor element There is a small quantity of corrosive liquid in the sensor element If in case of damage persons or objects encounter the liquid you have to clean the affected areas as f
16. ot calibrated Calibrate sensor element the calculated value Sensor sensitivity 30 96 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 PolyGard is a registered trademark of MSR GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH P ADT 53 1120 und ADT 63 1125 MSR 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 Replug 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 sensivity 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 sensivity too The table does not claim to be complete The indicated sensivity data are only standard values referring to new sensor elements PolyGard is a registered trademark of MSR GAADTX31125_E 0408 Phone 0049 0 8531 900
17. over PolyGard is a registered trademark of MSR GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH as ADT 53 1120 und ADT 63 1125 MSR 5 Commissioning Consider commissioning instructions at any exchange of sensor elements 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 supply voltage e Check PCB ATO03 003 for correct mounting at X4 and X5 e Check sensor element for correct mounting at terminal X3 of the PCB AT03 003 e Addressing of the transmitter in the DGC 05 Bus mode e Calibration of the transmitter if not factory calibrated Required instruments to calibrate the transmitter e Test gas bottle with synthetic air e Test gas bottle with test gas NH in the range of 20 to 70 of the measurement range e Gas pressure regulator with flow meter to control the gas flow to 300 ml min e Sensor head calibration adapter with tube Type calibration set AT1110CO1 See Fig 5 e Digital voltmeter with range 0 2 VDC accuracy 1 e Screwdriver small 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 so
18. pter carefully to the sensor element e Apply test gas NH 20 to 70 of the measurement range to the sensor 0 3 l min 1 Bar 10 e Wait 3 minutes until the sensor is stable adjust signal with gain potentiometer Gain until the signal corresponds to the appropriate mVDC 3 mV see calculation control voltage 5 3 and is stable e Remove calibration adapter with a careful light turn Inspect the correct mounting of the sensor element 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 Control voltage mV 160 mV x test gas concentration NH ppm 40 mV measuring range NH3 ppm Example Measuring range NH3 300 ppm 1000 ppm Test gas concentration NH3 205 ppm 405 ppm Control voltage 149 mV 105 mV 160 mV x 205 ppm 40 mV 149 mV 300 ppm PolyGard is a registered trademark of MSR GAADTX31125 E 0408 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 Made in Germany User Manual PolyGard NH erus ADT 53 1120 und ADT 63 1125 page z MSR 5 3 Calibration with DGC 05 Service Tool e Connect the DGC 05 Service Tool to the transmitter open menu Calibration e Enter measuring range and test gas concent
19. range 40 C to 10 C Life expectancy gt 18 months normal operating environment Cross sensitivity Concentration Reaction Carbon monoxide CO 100 ppm 95 ppm Hydrogen H2 3000 ppm 3000 ppm Sulphur dioxide SO2 20 ppm 5 ppm Hydrogen sulphide H2S 20 ppm 40 ppm Phosphates 300 ppm 0 ppm Nitrogen dioxide NO2 10 ppm 0 ppm Chlorine Cl2 5 ppm 0 ppm Hydrogen chloride HCI 10 ppm 0 ppm Carbon dioxide CO2 0 5 96 vol 0 ppm Alcohols 1000 ppm yes Amines yes Arsines 0 2 ppm 0 ppm 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 GAADTX31125_E 0408 Specification subject to change without notice Made in Germany www msr electronic de User Manual PolyGard NH PR ADT 53 1120 und ADT 63 1125 Page 12 So P J Electrical Power supply 18 28 VDC AC reverse polarity protected Power consumption without options 22 mA max 0 6 VA Output signal Analog output signal 0 4 20 mA load x 500 O Selectable Current tension 0 2 10 V load gt 50kQ Starting point O 20 proportional overload and short circuit proof Serial interface Transceiver RS 485 19200 Baud Physical Enclosure Stainless steel V2A Enclosure colour Natural brushed Dimensions BxHxT ca 113 x 135 x 45 mm Weight Ca 0 5 kg Protection class IP 55 Mounting Wal
20. ration e Connect calibration adapter carefully to the sensor element e Apply synthetic air 150 ml min 1 Bar 14 5 psi 10 or NH3 free ambient air e Wait until the measuring value is stable and then perform automatic zero calibration e Apply calibration test gas NH 20 to 70 96 of the measurement range to the sensor 0 3 l min 1 Bar 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 4 Calibration with DGC 05 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 1096 or NH3 free ambient air e Wait until the measuring value is stable and then perform automatic zero calibration e Apply calibration test gas NH 20 to 70 96 of the measurement range to the sensor 0 3 l min 1 Bar 10 e Wait until the measuring value is stable and then perform automatic gain c
21. 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 these data 11 1 Intended Product Application The PolyGard NH transmitters are designed and manufactured for control applications and air quality compliance in commercial buildings and manufacturing plants 11 2 Installers Responsibilities It is the installers 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 strictly all instructions as provided in the user manual 11 8 Maintenance It is recommended to check the PolyGard transmitter regularly Due to regular maintenance any deterioration of performance may easily be corrected Re calibration and part replacement may be implemented in the field 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 11 4 Limited Warranty MSR Electronic GmbH warrants the PolyGard transmitters for a period of one 1 year from t
22. t regular intervals We therefore recommend to conclude a service contract with MSR or one of their authorized partners 6 2 Calibration See section 5 1 and 5 2 e At commissioning and at periodic intervals determined by the person responsible for the gas detection system recommendation every 6 months e After exchange of the sensor e f in case of operational or climatic influences the sensitivity of the sensor falls below 30 in operation calibration will not be possible any more Then the sensor has to be replaced 6 3 Exchange of Sensor Element Consider static electricity See point 3 Sensor should always be installed without voltage applied e Unplug basic PCB ATOS3 carefully from the terminal blocks on base e Unplug old sensor element from the PCB e Take new sensor element out of original packing e Plug in sensor element into the PCB ATO3 at X3 e Plug in carefully the PCB ATO3 into terminal block X4 X5 e Calibrate according to section 5 7 Troubleshooting 7 1 Analog Mode Output signal lt 3 mA 1 5 V Jumper 0 20 96 not set Check jumper position and or control voltage 30 mV Measure tension at X4 only for starting signal 2V 4 mA Bower 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 Output signal gt 22 mA 220 mV Short circuit Check the wiring Control voltage does not reach Sensor element n
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