3. Vario-Sense® CO-Busmeßkopf 2
Contents
1. 230V feed line 230VAC 5A switch contact Fig 10 Mounting connection of IAQ Power Module Optional connection to PS DDC or other evaluation units 24VDC AC GND VOC green 24V 0 2A switch signal GND gray santas 0 10V Input 5 X14 3 2 1 C IAQ X VOCS or 450 2000 ppm 230VAC 2A Switch contact inductive load AO VOC 450 4000ppm 0 10V optional Connection to SPS DDC DO1 Relay output relay switch threshold adjustable via internal potentiometer Fig 11 Electrical connection of the IAQ sensor wit IAQ Power Module 17 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 Fig 12 PCB Levels to set up for controlling the air quality by the ventilation system Air Quality BAD Heavily contaminated indoor air Ventilation required MEDIOCRE Contaminated indoor air Ventilation recommended EXCELLENT Measurement starts at 450 ppm At 10 volt output signal it becomes approximately 11 at 4000 ppm and 22 at 0 to 2000 ppm 18 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 9 Notes and General Information It is important to read this user manual thoroughly and clearly in order to understand the information and instructions The IAQ sensor must be used within product specification capabilities The appropriate operating and maintenance instructions and recommend2. 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 19 AUTOMATIKPRODUKTER
3. Others Acetone Ethanol lsoprene CO2 Humidity Skin respiration amp transpiration Nonanal Decanal a Pinene Humidity Flatus Methane Hydrogen Cosmetics Limonene Eucalyptol Household Supplies Alcohols Esters Limonene Combustion Engines Appliances Tobacco Smoke Unburnt Hydrocarbons CO CO2 Humidity Oct 14 Ventilation demand controlled Building Material Furniture Office Equipment Consumer Products Paints Adhesives Solvents Carpets Formaldehyde Alkanes Alcohols Aldehydes Ketones Siloxanes PVC Toluene Xylene Decane Printers Copiers Computers Benzene Styrene Phenole Table 1 Typical indoor air contaminants VOC and others thr Diagram 1 Correlation CO2 VOC records from a business meeting session 2 3 Temperature Measurement option permanent 5 10 The temperature measurement is done via an internal sensor The signal is output as a linear 0 10 V signal A customer s application with passive signal is possible as an option Ss heat sources in the flash mounted box have an influence on the temperature measurements and have therefore to be avoided AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 2 4 Functions 2 4 1 Sensor Function The IAQ sensor shows the VOC value 0 4000 ppm or 0 2000 ppm in form of a 0 10 V signa
4. heat sources around in case of temperature measurement Fig 3 Mounting IAQ Sensor For AC Power Module see also fig 10 and 11 4 Electrical Connection 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 The connection is done via screw type terminals with a section of 0 25 to 1 5 mm The connection of the different applications is shown in the figures 7 to 11 Avoid any influence of external interference by using shielded cables for the signal line but do not connect the shield For ModBus wiring we recommend using the cable Y St Y 2x2x0 8 LG in line topology and without any branch lines Please consider in addition all regulations concerning the wiring of RS 485 field bus wiring AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 5 ModBus 5 1 General The ModBus protocol was developed for the data exchange between information processing units programmable logic controllers and other intelligent systems A master computer communicates with maximum 247 connected devices via a serial data link of RS 485 standard There is only one device host master per bus line determining the telegramming The other devices clients slaves only react on the request of the master and are never allowed to send data on the bu
5. 0 Oct 14 10 A02_D02 switch as analog out 2 as digital out 2 optional Temp Cooling 0 OFF 11 ACTUAL VOC 1 ACTUAL VOC 12 ACTUAL Temp 2 ACTUAL Temp 13 PID Heating 3 PID Heating 14 PID Cooling 4 PID Cooling 15 PID Heating Cooling 5 PID Heating Cooling 16 PID VOC 6 PID VOC 17 DI1 7 PID VOC acc to DIN 18 DIS 19 Switch pos 1 20 Switch pos 2 21 Switch pos middle D01 switch 0 OFF free Function depending on version 11 ACTUAL VOC 12 ACTUAL Temp 13 PID Heating 14 PID Cooling 15 PID Heating Cooling 16 PID VOC 17 DI1 18 DIS 19 Switch position 1 20 Switch position 2 21 Switch position middle PID kp parameter PID ki parameter PID kd parameter 0 100 PID setpoint VOC 0 max defined in register 11 PID setpoint Temp 0 max defined in register 12 res LED1 switch 0 OFF 17 DI1 18 DIS 19 Switch 1 20 Switch 2 21 Switch middle 22 Bus Di 23 Dig Out 1 24 Dig Out 2 25 Invert LED2 19 LED2 switch 0 OFF 17 DI1 18 DIS 19 Switch 1 20 Switch 2 21 Switch middle 22 Bus Di 23 Dig Out 1 24 Dig Out 2 25 Invert LED1 20 Day night setback value 0 max defin
6. 1 38 x 1 61 x 1 26 in Weight Approx 250 g 0 55 Ib 15 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 8 Figures 24V Function sensor AO VOC 0 4000 ppm or 0 2000 ppm 0 10 V AQ2 Temperature 0 30 C 0 10 V Load max 0 2 A 24 V Function control AO Control signal ventilation 0 10V AQ2 Control signal heating cooling 0 10V 2 Oe ep DO1 Digital output 24 V 0 2 A Fig 6 Electrical connection Analog output AO1 AO2 digital output DO1 24V DO1 D02 Load max 0 2 A 24 V IAQ X Fig 7 E Electrical connection Analog output AO1 digital output DO1 DO2 24V Z GND X2 1 2 3 4 5 X14 DI2 IAQ X Bo Fig 8 Electrical connection Digital input DI1 DEIS 24 VDC 0 VDC Bus B Bus_A Fig 9 Electrical connection MODBus 16 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 Connect the IAQ Power Module on the primary side and put it into the flash mounted socket Connect the IAQ transmitter on the secondary side and put it onto the flash mounted socket L black feed line 230VAC 50 60Hz N blue L1 brown switch contact venitator 230VAC 5A Ted 24VDC Side view GND gray VOC green switch signal VOC 24V 0 2A IAQ transmitter Flush mounted box IAQ Power OI x1
7. Air Quality BAD Heavily contaminated indoor air Ventilation required MEDIOCRE Contaminated indoor air Ventilation recommended Meeting Room Detail 1 Morning Session Meeting room 17 11 2006 y ki Wi vs Perfect coralaton i between CO2 and VOCs A gt amp Perfect comelation with prediction aigarthm BIO IAQ Sensor for Indoor Air Quality Metal Oxide Indoor Air Quality VOC Sensor User Manual October 2014 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 10 mended EE 3 Functional Description cccceeeeeeeeeeee ee eeeeee ee eeeeee en ne enon sens enee sn seeneeseseeneeseseeneeseseeneeseseeneeseseeneesneenenens 3 21 NOC SENSO orea Ea an AN ENANAR ASEENA EEE AAR AERAR ARRERA ERANA ERG 3 22 NOC EE EC 3 2 3 Temperature Measurement option 4 QA FUNCIONS EE 5 24 1 Sensor Eupen 2pgeegegtegsg ee ge egeber RES eE E aa dees gedet aa Ai 5 24 2 Gontr ller FUNGON siennas ege EEN ege 6 MSti ON sa AA En E A 7 3 1 Mounting INStructions 200 0 eee ee eene ee ee ence ee eee ae ee ee AAEN aee EAEE AEAEE ENEA E AE ANENE 7 Electrical Conpnectopn ek cone nececuis bade Fane sedeceuetace caneeeseueuerndervedbadseretteeeees 7 MOUS ees EENEENE NEEN SEENEN SEENEN ENEE SEENEN SEENEN EENS 8 Bid GOMG E 8 52 Physical e EE 8 5 3 Time RESPONSE 2css ccna hectiieleewists evel detente EENS avian 8 5 4 ModBus Functional Descrpton REENEN 9 BD TFOUDISSNOOUING ss fcdeca
8. C level and calculates the proportional CO value The VOC COz correlation was determined by taking measurements under real conditions See diagram 1 To this day there aren t any standard signals for the VOCs therefore the IAQ air quality sensor reduces the measured VOC values to CO equivalents with the unit ppm This grants the compatibility to existing CO ventilation standards Each time the IAQ air quality sensor is switched on it runs through a warm up period of 20 minutes During this warm up period there aren t any measurements the sensor outputs the signal of 80 of the measuring range After the warm up period the sensor interprets the currently read VOC value as zero point independently from the actual concentration An internal algorithm continuously updates the zero point by taking the lowest measured VOC value Therefore the ambient air should be of low VOC content after the warm up period This can be obtained by shortly venting when starting the measurements with the 80 signal If the sensor isn t started at low VOC concentrations it can take a couple of days until the internal algorithm has updated the zero point so far that effective measuring results are available The natural sensor drift and ageing is corrected by the implemented control algorithms AUTOMATIKPRODUKTER CDR IAQ Indoor Air Quality Sensor Indoor Air Typical Substances Contamination Source Human Being Emission Source Breath
9. ations must be followed Due to on going product development the manufacturer 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 9 1 Installers Responsibilities It is the installers responsibility to ensure that the IAQ sensor is 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 Attention The electrical connections of the device have to be made according to the legal requirements To avoid personal injuries and or equipment or other property damages please take care to always disconnect power supply before working on the electrical wiring For avoiding property damages the device must only be employed within the intended use A Attention The circuits used in the device react to electrostatic discharge Please take appropriate precautions 9 2 Maintenance It is recommended to check the IAQ sensor regularly Due to regular maintenance any performance deviations may easily be corrected Re cali
10. bration and part replacement in the field may be implemented by a qualified technician and with the appropriate tools Alternatively the IAQ sensor may be returned for service to the manufacturer 9 3 Limited Warranty The manufacturer warrants the IAQ sensor 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 the manufacturer 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 IAQ sensor The manufacturer shall not be liable for any incidental or consequential damages arising out of or related to the use of the IAQ sensors 10 Part Disposal Since August 2005 there are EC wide regulations defined in the EC Directive 2002 96 EC and in national codes concerning the disposal of 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
11. communication between master and slaves uses a serial data link of RS 485 standard The port settings are as follows 9600 Baud 1 Start Bit 8 Data Bits Parity none 1 Stop Bit 5 3 Time Response Transmission telegram The master can start a data exchange The master sends a data telegram to a slave containing e Address of the slave e Function requested from the slave order e Data field variable depending on the order e Control characters The slave starts uploading a telegram after each idle period of 3 5 characters If the first character is the slave s own address or the address 0 all it processes with the telegram If there is a silence of 2 characters at least it considers the telegram finished and checks the CRC If the telegram is without errors it executes the function and composes an answer AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 Answer telegram e Address of the slaves e Executed function order e Data field e g data length and data e Control characters The answer is sent at the earliest after a silence of 3 5 characters after the end of the master s telegram In case of an error the slave waits for the end of the telegram and the period of 3 5 characters and then returns an error message The master awaits the answer of the slave or a timeout see table before starting a new exchange in order to avoid complications resulting from mutual transmissions Data organizat
12. e do not touch the equipment without a wrist strap connected to ground or without standing on a conductive floor acc to EN 61340 5 1 2 Functional Description 2 1 VOC Sensor The semi conducting metal oxide sensor measures the electrical conductivity of the nanocrystalline metal oxide coated on a heatable substrate The typical operating temperature is between 300 and 400 C The doping of the metal oxide with noble metals results in a positive sensibility to combustible gases like VOCs carbon monoxide and natural gas The doping permits the adaptation to the demands of the measuring task VOCs are partially or totally burnt at the sensor surface by the oxygen of the metal oxide The electrons released in the semi conductor by this process lead to an increase of the electrical conductivity At the end of the combustion process the metal oxide returns to its initial state by incorporating oxygen from the air with the conductivity also adopting the initial value The change of the conductivity is evaluated via the internal micro controller and output as a standard signal 2 2 VOC Measurements The VOC content in indoor areas is mainly determined by the persons present and their activities See table 1 When for example working with cleaning agents or when cooking VOCs Volatile Organic Compounds are set free but also human respiration is a constant source of volatile metabolism products VOCs The air quality sensor detects the increasing VO
13. eating is selected and the temperature falls below the set value the PID controller delivers a signal at the analog output AO2 0 10V until the desired temperature is obtained and keeps this temperature up The function of the air quality control AO1 is blocked when the temperature falls below the set minimum temperature of 18 C When the measured temperature exceeds the set maximum temperature of 26 C summer DIN increase the air quality control is forced to 100 10 V at the output The control parameters are factory set but can be adjusted to the respective configuration via ModBus see point 5 6 and 5 7 10 Ua M Ausgangs Signal ppm YOC 2000 Fig 1 Output signal VOC control Option Option Status LED Betriebsarten Schalter Potentiometer intern ppm IAQ IAQ 1000 Aufkleber e Option Sollwert Potentiometer Fig 2 Views Sensor Complete version Internal potentiometer AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 3 Installation 3 1 Mounting Instructions When choosing the mounting site please pay attention to the following Recommended mounting height is 1 0 m 3 feet to 1 5 m 5 feet above floor Do not mount the sensor next to doors windows air inlets and outlets Free air supply must be granted Vertical mounting air inlet at the sensor down up Avoid direct sunlight No
14. ed in register 12 21 Relay status of Bus 0 3 1 LED1 2 LED2 3 both 12 AUTOMATIKPRODUKTER Oct 14 BIO 010 IAQ Indoor Air Quality Sensor Overview ModBus Functions 5 7 jeuojdo z MO Bid rz Ino Bia ez Iq sng zz BIPPIW YOUMS 1z Z YOUMS 02 L YOUMS 6 Zia 81 HA At dd jeuoljdo SPP YMS Z Z yoMsS O LUD0MG 61 euoljdo Ha Z DOA Ald z t 1009 29H Ald S Buyood Ald bt BugeaH Ald E duet Lov Z ziad 84 S PP IW YMS Z Z YONMS O YO on Zem A euondo L yonmS 6 Ziad 8 a JIMS lt Ul HA Zb SOA Ald 91 duet Lov Z DOA 19V L Goen Ald S BullooD Ald L BugeaH Ald EL DOA Ald 9 go n Aid S Bull00D did r Dua did duet LSI Z A01 0 DOA LOW REEL DOA Ald 9 1009 e H Ald S Buljo09 did i Duo did nors dwal ISI z e 20a It fore 440 0 jeuold
15. in register 12 0 max defined in register 12 19 Ao1 switch 0 6 Dep on version 20 Ao1_Do2 switch 0 21 Dep on version 21 Doi switch 0 21 Dep on version 22 PID kp parameter 10 23 PID ki parameter 40 24 PID kd parameter 10 25 PID setpoint VOC 26 PID setpoint Temp Dep on version Dep on version 27 res 28 LED1 switch 0 24 Dep on version 29 LED2 switch 0 24 Dep on version 30 Day night setback value 0 max defined in register 12 31 Relay status of Bus 0 3 Write register Command with command 0x10 16d Possible Range Register Function Default Note Sensor MODBus Hysteresis 2 Max temp_limit 0 max defined in register 12 Min temp_limit 0 max defined in register 11 0 12 0 max defined in register 12 A01 switch 0 address 1 255 254 1 Measuring range VOC _ 0 32767 2000 2 Measuring range Temp 0 32767 50 with 1 decimal place 500 3 Alarm threshold 1 0 max defined in register 11 o 12 1000 4 Alarm threshold 2 0 max defined in register 11 0 12 5 Hysteresis 1 0 max defined in register 11 o 12 500 6 7 8 H 0 OFF VOC 1 ACTUAL VOC 2 ACTUAL Temp 3 PID Heating 4 PID Cooling 5 PID Heating Cooling 6 PID VOC 7 PID VOC acc to DIN 11 AUTOMATIKPRODUKTER lt i gt IAQ Indoor Air Quality Sensor BIO 01
16. ion The devices offer properties and states generally described here as objects These objects can be asked specifically as bit or byte ranges by the master and changed by it An input object can only be read An output object can be read or written ModBus functions The following functions are available with the communication protocol ModBus e The main functions granting the data exchange e The additional functions for the control and the diagnosis of the data exchange The table below indicates the functions managed here The functions Read and Write refer respectively to the action of the master Function Description Implemented 03 Reading of N output registers Yes max 32 reg 16 Writing of N output registers Yes max 22 reg 5 4 Modus Functional Description Function 03 Reading of N output registers This function enables to read the output registers these are the registers the master can read or write in the slave This function enables to read the input registers these are the registers the master only can read Example Reading of N registers function 3 Request Slave address Function 1 254 03 Start address Number of words CRC16 1 Byte 1 Byte 2 Bytes 2 Bytes 2 Bytes Answer Slave address Function 1 254 03 or 04 Number of sent bytes Data CRC16 1 Byte 1 Byte 1 Byte n Bytes 2 Bytes AUTOMATIKPRODUKTER ELD ao indoor Air Quali
17. l at the analog output AO1 The temperature 0 50 C is also available as a 0 10 V signal at the analog output AO2 In ModBus operation the VOC value is displayed at the read register 01 and the temperature value at the read register 02 The IAQ sensor offers a great number of options The function can be defined according to the application via the ModBus interface by means of the ModBus function diagram fig 5 The definition of the function can be provided in the factory as well as on site by using the ModBus tool Option Setpoint Potentiometer The temperature output can be adjusted by 3 K Option Digital Output DO1 The digital output is activated in dependence of the programming via the following functions e Depending on the VOC value via the internal switch threshold threshold write register 03 e Depending on the temperature value via the internal switch threshold threshold write register 03 e Switch threshold can be selected via internal potentiometer e Via digital input 1 or 2 e Via the operation mode switch Option Digital Output DO2 Function is the same as for digital output DO1 The digital output DO2 takes the place of the analog output AO2 meaning that with two digital outputs there is only one analog output available Option Status LED 1 The Status LED is activated in dependence of the programming via the following functions e Via digital input 1 or 2 e Via the operation mode switch e Via digital
18. o Ze A ie o GE Kl a p _ o i gt e Si 10S DN los SEH 13110409 Aid ell A lee sm Ge isi a EE GC jes gt Joy FS 0 49 04JUOD Ald SS P yes lt Joy isi 70 LOZ ZA UolsJaA Wesbelp jeuonound 20A jeuoljdo Fig 5 Functional diagram 13 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 6 Commissioning General e Check mounting location e Check power voltage at the terminals 1 and 2 GND at X2 Operation mode sensor e Check output tensions 0 10 V e Check digital output e Option internal potentiometer Check adjust switch threshold at the internal potentiometer e Option IAQ Power Module Check fan activation by lowering the switch threshold to 450 ppm Operation mode ModBus e Addressing in the operation mode ModBus see point 5 ModBus e Check adjust the parameters See read write register e Check VOC value at the read register 01 temperature value at the read register 02 Operation mode control e Check adjust the parameters See read write register e Check output control signal s 14 AUTOMATIKPRODUKTER IAQ Indoor Air Quality Sensor BIO 010 Oct 14 v 7 Specifications Electrical Supply voltage 24 VAC DC 20 50 Hz Power consumption Approx 30 mA power digital outputs VOC sensor data Gas t
19. output 1 or 2 e ModBus command Option Status LED 2 e Function the same as for Status LED 1 Option Operation Mode Switch The switch activates the digital outputs DO1 DO2 and or the status LEDs LED1 LED2 in dependence of the programming Option IAQ Power The IAQ Power Module offers a 230 VAC supply voltage for the IAQ sensor A wet switch contact 230 V is available in addition The switch contact is activated via the digital output DO1 The IAQ Power Module is mounted in the in wall box See fig 10 and 11 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 2 4 2 Controller Function The standard control function described here can be changed via the ModBus interface by means of the ModBus function diagram paragraph 5 7 Air quality control function The controller outputs the control signal AO1 0 10V within the defined control range of 700 to 1200 ppm in dependence of the VOC concentration The output signal is suppressed for all values below 700 ppm in order to grant a dead band The green LED is on for good air quality that means the measured VOC value is lt 700 ppm The orange LED is on for bad air quality meaning that the measured VOC value is gt 700 ppm The control parameters are factory set but can be adjusted to the application via ModBus Temperature control function The pre set temperature of 21 C can be changed via the potentiometer by 3 K When the function h
20. rsetictecaatetire Seege deeee ERC denretntnnentiiee Fee eeeg geet 10 5 6 ModBus Register Description 11 5 7 Overview ModBus Functions ssesssssnnenesntssett tettet testtt tnnt tt tnst tt annt tn tnnt tE An nt En Annt EE Annt nE Ennn ennnen 13 COMMISSIONING E 14 SS CIEIC TE 15 ee CT 16 Notes and General Information c csecceeeeeeeseeeseeeeseeeneeeeseaeseseeeeneeeeeeaeeesaeseseeeseneeessesaneaeenseeeseenes 19 9 1 Installers RESPONSIDINNCS sessiun snina eaa aE NE EAA EEES 19 92 E Ee 19 93 Limited Warranty ege Seed occured Serge Seed Seet EEN de danced EEN Sec degt 19 Part DISPOSal ENEE NNEEESEAASEEEEE ANESEC 18 2 AUTOMATIKPRODUKTER ELD ao indoor Air Quality Sensor BIO 010 Oct 14 IAQ Indoor Air Quality VOC Sensor 1 Intended Use The BIO IAQ air quality sensor with digital processing of the measuring values and temperature compensation is used for measuring and controlling the air quality in indoor areas within environmental conditions specified in the Technical Data 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 BIO IAQ sensor must not be used in potentially explosive atmospheres The sensor must only be employed in areas within the environmental conditions as specified in the Technical Data Le Electronics can be destroyed by static electricity Therefor
21. s line without request of the master device The data are transmitted in form of data telegrams There are two possible formats within the ModBus protocol the ASCII and the RTU format Only the RTU format is used and described in here The RTU telegram settings don t include any tag delimiters The beginning and the end of data telegrams are realized by short stops The syntax is as follows Address Command Data CRC16 The data are transmitted with binary code The address and the command are 1 byte each When requested from the master the data may contain for example address order and the initial address and the number of data to be retrieved The answer from the slave is structured in the same way The data may contain besides the address and the order for example the number of sent data bytes and the data CRC16 is a 2 bytes Cyclical Redundancy Check The end of the data telegram is recognized if there is an idle period of minimum 2 characters The slaves react to valid requests after a certain timeout after receipt of the last character by giving the corresponding answer The master then expects the start of the answer If it doesn t come the master can occupy the bus anew and give new commands The slave answers after a silence of 3 5 characters at the earliest In case of transmission errors or not executable commands the slave doesn t answer or respond with an error message see troubleshooting 5 2 Physical Port The
22. ty Sensor BIO 010 Oct 14 5 5 Troubleshooting If there is any parity framing overrun or CRC error during receipt of a telegram the slave doesn t accept and answer it If the slave cannot execute the requested order it sends an error message Format of an error message RE Answer code Error code CRC16 1 Byte 1 Byte 1 Byte 2 Bytes Answer code Order function code 0x80 the most significant bit is set to 1 10 AUTOMATIKPRODUKTER BIO 010 Oct 14 CDR IAQ Indoor Air Quality Sensor 5 6 Modus Register Description Read register Request with command 0x03 Register Description Range Default 0 Sensor type defined by product type 19505 1 Measured value VOC 0 max defined in register 11 2 Measured value Temperature 0 max defined in register 12 3 PID output value VOC 0 10000 4 PID output value Temp 10000 to _ 10000 5 PID sign Temp 1 heat 1 cool 6 res 7 res 8 res 9 Potentiometer position 0 10000 10 Own MODBus address 1 255 254 11 Measuring range VOC 0 32767 2000 12 Measuring range Temp 0 32767 50 with 1 decimal place 500 13 Alarm threshold 1 14 Alarm threshold 2 0 max defined in register 11 o 12 0 max defined in register 11 o 12 0 max defined in register 11 o 12 100 0 max defined in register 11 o 12 15 Hysteresis 1 16 Hysteresis 2 17 Max temp_limit 18 Min temp_limit 0 max defined
23. ype VOC see table 1 Sensor element Metal oxide semi conductor Measuring range 0 4000 ppm or 0 2000 ppm Accuracy 150 ppm Repeatability 5 of reading Response time too 60S Warm up time 20 min Expected life time gt 10 years normal ambient conditions Temperature sensor data Sensor element NTC Measuring range 0 50 C 32 to 122F Accuracy t1 of reading put sig ee AO1 analog VOC 0 4000 ppm 0 10 V proportional max 2mA AC analog temperature 0 50 C 0 10 V proportional max 2mA DO1 digital 24 VDC max 200 mA Humidity 15 90 RH non condensing Temperature operation 0 C to 50 C 32 to 122 F Temperature storage 5 C to 50 C 41 to 122 F Pressure range Atmosphere 10 Serial interface Transceiver RS 485 9600 Baud Protocol ModBus Physical Housing Plastic ABS Colour Pure white similar to RAL 9010 Dimensions W x H x D 78 x 84 x 25 mm 3 07 x 3 31 x 0 98 in Weight Approx 95g 0 21 Ib Wire connection Screw type terminal 0 25 to 1 5 mm 24 to 16 AWG Directives EMC Directives 2004 108 EEC EN 61000 6 2 EN 61000 6 3 72 23 EEC EN 60730 Specifications IAQ Power Module Electrical Supply voltage 230 VAC 10 50 60 Hz Output voltage 24 VDC max 80 mA unregulated Power consumption 1 5 VA Normally open contact wet 230 VAC Switch output for fan valve max 2A inductive load Physical Dimensions W x H x D 35 x 41 x 32 mm
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