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Operating Instructions

1. Q o Sensing Head Q gt Wi Y Q BROWN 1 GOY SQ o Emissivity Control Ambient Compensation i Trigger Hold Tobj Thead Tobj Thead z Alarm Tobj Thead Power Supply 9 9 9 S 9 9 9 9 9 9 Figure 14 Terminal Wiring for the Comm Box 26 Rev F 04 2013 MI3 Installation 5 4 2 Comm Box DIN 3TE USB Connector Mini B ms Figure 15 Terminal Wiring for the Comm Box DIN 3TE 27 Rev F 04 2013 MI3 Installation 5 4 3 Comm Box DIN 4 TE shield Shunt deactived Sensing Heads shield USB Connector Mini B p DODOD A RS485 B RS485 Figure 16 Terminal Wiring for the Comm Box DIN 4 TE MI3 Rev F 04 2013 28 Installation 5 4 4 Comm Box DIN 6 TE sensing Heads Wiring Profibus or Modbus off A LED2 LED1 USB Connector Mini B 4 AM Y ZE Y L AcE 8 AV 133 AV 133 cols Figure 17 Terminal Wiring for the Comm Box DIN 6 TE for Profibus and Modbus MI3 Rev F 04 2013 29 Installation sensing PA A AC PLACA an LED2 LED1 USB Connector Mini B RJ45 connector Profinet or Ethernet AV 138 AV 138 Old oo I oO RO lt Figure 18 Terminal Wiring for the Comm Box DIN 6 TE for Profinet and Modbus 30 Rev F 04 2013 MI3 Installation see section 6 3 Analog Outputs OUT1 OUT4 page 38 Analog Outputs eee 1 S Zi S O r
2. 9 mm 0 35 in outer Y 12 mm 0 47 in Figure 52 Connecting the T Adapter MI3 Rev F 04 2013 63 Accessories GER Air Flow 250 482 60 min 2 1 cubic feet per minute 90 min 1 8 cfm 200 392 40 1 min 1 4 cfm 150 302 100 212 85 185 E a ue 0 9 18 24 m Hose Length 3 6 9 ft Figure 53 Maximum Ambient Temperature is dependent on Air Flow and Hose Length Note Hose Length is the length of the hose exposed to high ambient temperature not the overall length of the hose 64 Rev F 04 2013 MI3 Accessories 2 5 3 P ke 2 o A N 1 SY Figure 54 Air Cooling System Purging Jacket and T Adapter The Air Cooling System consists of sensing head inner plastic fitting air purge jacket front part of the air purging jacket back part of the air purging jacket mounting nut preinstalled cable between sensor and box leading through the T adapter hose connecting nut 00 0 00000 inner hose outer hose T adapter rubber washer plastic compression fitting cap MI3 Rev F 04 2013 65 Accessories 53 5 2 11 M 12x1 outer 12 mm 0 47 in Figure 55 Dimensions of Air Cooling System 10 2 5 Right Angle Mirror The right angle mirror comes in two different versions XXXMIACRAJ right angle mirror as accessory for air purge jacket or air cooling system XXXMIACRAJ1 right angle mirror with integrated air purge n
3. conned OUT1 high temp gt lt Val Hold OUT2 Mode gt lt Trigger OUT2 Source gt lt Alarm Mode OUT2 Value gt lt Set Point OUT2 low temp gt lt Lo Limit OUT2 high temp gt lt Hi Limit gt gt gt gt gt gt gt gt ad ll P gt gt lt lt lt lt lt lt lt A a lt gt Interface Fact default lt gt lt Factory default gt lt gt lt Type Temperature Unit gt lt gt wm Z lt Key Enter Lock gt lt Display Backlight not available for all models 4 output channels for Comm Box DIN 6 TE analog 8 2 lt Head gt Page lt Tambient gt current head ambient temperature lt Emissivity gt changes the emissivity value for the selected head The emissivity is a calculated ratio of infrared energy emitted by an object to the energy emitted by a blackbody at the same temperature a perfect radiator has an emissivity of 1 00 For information on determining an unknown emissivity and for sample emissivities See section 19 2 Typical Emissivity Values page 114 MI3 Rev F 04 2013 47 Operation lt Transmiss gt lt Laser gt lt Average gt AVG lt Peak Hold gt PH lt Val Hold gt VH lt Trigger gt lt Alarm Mode gt lt Set Point gt lt Lo Limit gt lt Hi Limit gt lt Fact default gt lt Type gt lt SN gt 48 changes the transmission value when using
4. 0 03 0 15 0 05 0 15 0 3 0 7 0 1 0 15 0 1 0 5 0 3 0 6 0 1 0 15 0 9 0 02 0 8 0 9 0 5 0 7 Rev F 04 2013 METALS Emissivity 5 um 0 02 0 2 0 2 0 4 0 4 0 1 0 4 0 02 0 1 0 01 0 05 0 6 0 9 0 05 0 25 0 5 0 8 0 65 0 95 0 25 0 2 0 3 0 9 0 05 0 2 0 4 0 2 0 7 0 03 0 15 0 05 0 15 0 3 0 7 0 1 0 15 0 1 0 5 0 3 0 6 0 1 0 15 0 9 0 02 0 8 0 9 0 5 0 7 8 14 um 0 02 0 1 0 2 0 4 0 3 0 1 0 3 0 02 0 1 0 01 0 05 0 3 0 8 0 7 0 95 0 3 0 6 0 15 0 5 0 9 0 05 0 2 0 5 0 7 0 6 0 95 0 2 0 2 0 3 0 9 0 05 0 1 0 4 0 2 0 6 0 02 0 1 0 05 0 15 0 2 0 6 0 1 0 1 0 14 0 2 0 5 0 05 0 15 0 9 0 02 0 7 0 9 0 4 0 6 115 Appendix Polished Sheet Molten Oxidized Stainless Tin Unoxidized Titanium Polished Oxidized Tungsten Polished Zinc Oxidized Polished 116 0 1 0 1 0 2 0 7 0 9 0 15 0 8 0 05 0 1 0 3 0 5 0 7 0 05 0 5 0 05 0 25 0 1 0 03 Rev F 04 2013 0 1 0 1 0 2 0 7 0 9 0 15 0 8 0 05 0 1 0 3 0 5 0 7 0 05 0 5 0 05 0 25 0 1 0 03 Tab 17 Typical Emissivity Values for Metals 0 1 0 7 0 9 0 1 0 8 0 05 0 05 0 2 0 5 0 6 0 03 0 03 0 1 0 1 0 02 MI3 Appendix NON METALS Material Emissivity 3 9 um 5 um 8 14 um Asbestos 0 9 0 95 Asphalt 0 95 0 95 Basalt 0 7 0 7 Carbon Unoxidized 0 8 0 9 0 8 0 9 Graphite 0 7 0 9 0 7 0 8 Carborundum 0 9 0 9 Ceramic 0 8 0 95 0 95 Clay 0 85 0 95 0 95 Concrete 0 9 0 95 Clo
5. 1 Ident_Number OD 36 hex Extended diagnostics 25 bytes Contains 1 diagnostic block Block 0 Device related 25 bytes 19 00 00 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Figure 74 Diagnose Data without Errors HE diagnosis information 20 30 40 50 An Rev F 04 2013 00 oc 00 01 OD 36 19 00 00 00 08 00 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 MI3 MI3 Profibus Set Change Slave Address Diagnostics Inputs amp Outputs Get Configuration Network scan if Address 7 Y Update on up down change Hig hest Last bad Decoded Satan information HEX diagnosis information head M 13 Ex dag Bi fonos REE OE oF Watchdog on El gt OC 00 00 OD 36 19 00 00 0008 Master_4dd O Ident_Number OD 36 hex 00 00 00 00 00 Extended diagnostics 25 bytes 00 00 00 00 00 00 00 Contains 1 diagnostic block 40 00 00 00 00 00 00 00 20 Block O Device related 25 bytes Head 1 Head 8 19 00 00 00 08 00 00 00 00 00 00 00 00 00 00 00 40 errar hits error hits 00 40 00 00 00 00 00 00 50 00 AN Figure 75 Diagnose Data with Error Cable Break at Head 1 Rev F 04 2013 87 Modbus 15 Modbus The Modbus protocol follows the master slave model One master controls one or more slaves Typically the master sends a request to a slave which in turn sends a response The request response mechanism is called a transaction Requests a
6. RELAY Figure 24 Spike Voltage Limitation for the Alarm Relay 38 Rev F 04 2013 MI3 Outputs 6 5 Thermocouple Output TC Comm Box metal Source object temperature Signal TCJ TCK TCR or TCS Terminal TC GND This output can be configured as thermocouple output type J K R or S For that output you must install a dedicated compensation cable The output impedance is 20 Q The output is short circuit resistant i The outputs lt OUT1 gt and lt TC gt are not available at the same time MI3 Rev F 04 2013 39 Inputs 7 Inputs Three external inputs FTC1 FTC2 and FTC3 are used for the external control of the unit i You cannot enable the input functions through the control panel FTC1 FTC2 FTC3 Emissivity analog control Le Emissivity digital control Trigger Hold Function Laser Switching Ambient Background Temperature Compensation Lose Lo lxi po px Table 2 Overview for FTC Inputs 7 1 Emissivity analog Function emissivity analog control Ca Signal 0 to 5 Voc Terminal FTC1 GND The FTC1 input can be configured to accept an analog voltage signal 0 to 5 VDC to provide real time emissivity setting Each input can support one head The following table shows the relationship between input voltage and emissivity roo os Jas 50 roa oa 10 jas Table 3 Ratio between Analog Input Voltage and Emissivity Example This process requires
7. Time 32int 32int hhmmss Baud rate RS485 9600 19200 38400 57600 9600 neg 115200 108 Rev F 04 2013 MI3 ASCII Programmin Description Char Format P B S N Legal Values Factory default Head Box Cali Certification Low CFLT Temp Cali Certification High CFHT Temp Communication module d SourceTemp1 MeasureTemp1 SourceTemp2 MeasureTemp2 SourceTemp3 MeasureTemp3 SourceTemp MeasureTemp1 source Temp2 MeasureTemp2 4 reserved 5 Ethernet 6 Profinet nDG float nDO float Delete Sensor DH ho Box special DS string y y e g IDSRAY read only Set at T Box Status Code EC EC y hex value of Status Code 16 bit hex Current calculation setpoint relay function Sensor Offset O 0 C EM EM a 0 no module 2 2 channels 4 4 channels analog outputs Presel Emissivity nEP 0 7 Pointer integer Emissivity Source nES Emissivity from Internal integer by command E Emissivity from External analog input 0V 5V D digital selected FTC1 3 1 Box Status Codes read only Self test error BITO Box ambient temperature out of range BIT1 Sensing head communication error BIT2 Parameter error BIT3 Register write error BIT4 Analog module error BITS Profinet ready BIT6 MI3 Rev F 04 2013 109 ASCII Programmin Description Char Format P B S N Legal Values Factory default Head Box Presel Emissivity Value EV nEV y y
8. lt Hardware gt lt Device Manager gt lt Ports COM amp LPT gt Go there also to get the virtual COM port number for communicating with the DIMD Software Cl Device Manager File Acton View Help fl yf Computer oe Disk drives H Display adapters Bl DYDACD ROM drives H a Human Interface Devices AE IDE ATAZATAPI controllers Keyboards E y Mice and other pointing devices H E Monitors H E Network adapters 8 4 Ports COM amp LPT el A Active Management Technology SOL COM MIS Virtual COM port Mrs COM4 Rev F 04 2013 Driver correctly installed COM port number for DTMD Software 35 Installation 5 7 Fieldbus It is strongly recommended to avoid any simultaneous communication via USB and fieldbus 5 7 1 Addressing Each slave in the network must have a unique address and must run at the same baud rate For setting the fieldbus configurations through the control panel see section 8 3 lt Box Setup gt Page page 49 5 7 2 RS485 based Installations The recommended way to add more devices into a network is connecting each device in series to the next in a linear topology daisy chain Use only one power supply for all boxes in the network to avoid ground loops It is strongly recommended to use shielded and pair twisted cables e g CAT 5 Make sure the network line is terminated Termination lt on gt Master S Slave 2 Last Slave E OE TO Ty Figure 23 N
9. peak hold function will reset and the output will resume tracking the object temperature until a new peak is reached The range for the hold time is 0 1 to 998 9 s aa OUtput temperature Temp object temperature 3 hold time gt hold time Time Figure 36 Peak Hold A defined hold time of 999 s symbol in the display will put the device into continuous peak detection mode A low level input GND at external input FTC3 will promptly interrupt the hold time and will start the maximum detection again MI3 Rev F 04 2013 51 Operation 8 5 3 Valley Hold The output signal follows the object temperature until a minimum is reached The output will hold the minimum value for the selected duration of the hold time Once the hold time is exceeded the valley hold function will reset and the output will resume tracking the object temperature until a new valley is reached The range for the hold time is 0 1 to 998 9 s Temp Output temperature object temperature gt hold time gt hold time Time Figure 37 Valley Hold A defined hold time of 999 s symbol co in the display will put the device into continuous valley detection mode A low level input GND at external input FTC3 will promptly interrupt the hold time and will start the minimum detection again 8 5 4 Advanced Peak Hold This function searches the sensor signal for a local max
10. Boxes and not to a multiple head system with one Comm box only MI3 Rev F 04 2013 77 RS485 13 RS485 The RS485 serial interface is used for long distances up to 1200 m 4000 ft or for networked communication boxes To connect the RS485 interface to a standard computer you should use a dedicated adapter see section 10 1 2 USB RS485 Adapter page 57 The RS485 interface allows the communication either via the standard Multidrop Software or directly via dedicated ASCII commands see section 18 ASCII Programming page 103 Specification Physical layer RS485 2 wire half duplex electrically isolated Baud rate 9 6 19 2 38 4 57 6 115 2 kBit s Settings 8 data bits 1 stop bit no parity flow control none half duplex mode Connection terminal Address range 1 to 32 0 for stand alone unit or broadcast transmission 13 1 Wiring 13 1 1 Comm Box metal Termination Terminal RS485 positive signal or RxA or D el negative signal or RxB or D Figure 67 RS485 Terminal for Comm Box metal 78 Rev F 04 2013 MI3 13 1 2 Comm Box DIN Fe ee ee ee ee ee ee ee el 3 DOODOOOOO 23456789 off E Termination 290909009 200080020 Ill q __ Indicators Pin DCI ewes j ICO EN Y Ted IY Figure 68 Terminal for Comm Box DIN 6TE 13 2 ASCII Programming For the programming details see section 18 ASCII Programming page 103 MI3 Rev F 04 2013 RS485 79 Profibus 14 Profibus Profibus D
11. Comm Box metal Ambient Temperature Storage Temperature Rating Relative Humidity EMC Vibration Shock Weight Material MI3 10 to 65 C 14 to 149 F 20 to 85 C 4 to 185 F IP65 NEMA 4 IEC 60529 10 to 95 non condensing EN 61326 1 2006 11 to 200 Hz 3 g above 25 Hz operating 3 axes IEC 60068 2 6 50 g 11 ms operating 3 axes IEC 60068 2 27 370 g 13 oz die cast zinc enclosure Rev F 04 2013 17 Technical Data 3 4 3 Comm Box DIN Ambient Temperature 10 to 65 C 14 to 149 F Storage Temperature 20 to 85 C 4 to 185 F Relative Humidity 10 to 95 non condensing EMC EN 61326 1 2006 Vibration 11 to 200 Hz 3 g above 25 Hz operating 3 axes IEC 60068 2 6 Shock 50 g 11 ms operating 3 axes IEC 60068 2 27 Weight 125 g 4 4 oz Material molded plastic 3 4 4 LTH Electronics Ambient Temperature 10 to 65 C 14 to 149 F Storage Temperature 20 to 85 C 4 to 185 F Rating IP65 NEMA 4 IEC 60529 3 5 Dimensions 3 5 1 Sensing Head LT G5 14 55 M 12x1 Standard cable length 1m 3 ft 5 mm 0 2 in 17 67 11 43 Figure 2 Dimensions of LT G5 Sensing Heads 3 5 2 Sensing Head LTH 14 0 55 LTH 1000 39 4 LTHCB3 3000 118 REE 500 20 50 7 2 LTHCB15 15000 590 E 67 11 43 28 1 1 mm in Figure 3 Dimensions of LTH Sensing Head with separated Electronics 18 Rev F 04 2013 MI3 Technical Data 3
12. EOE E TAON 25 9 CORPO OTN Vin sea n AA ATA E AA AA AA E AAA E S 25 54 WIRING TERMINA Deeringia TA A T ii 25 DA ICOM MID Oe TO E E E AE E AAA 26 DAD OMI DIN oid A EEN e AEE AAE EAT 27 UA o IIS A O O 28 oda Commi BO DING TE pto 29 Dao eM Resistance or Comune BODA 32 ES POWERON PROCEDURE rota Da 33 Ded QUE Fead S Es AAA ivreeasaanctnibawabaaneusnsvnbetabhesanioenn a 33 5 5 2 Multiple Heads KAndOM Address Assignment voui sits stvesuilostasauvadvboarlsvaiteaaueen a a 33 5 5 3 Multiple Heads User Controlled Address Assignment ssssssssessesserserereererrerrsresresreseesrereerrsrenresreseenes 33 Sd A aa 34 A AA 36 A A o 36 MLS ESAS CN STAN AAA AA AS 36 OUTTUTS na ibi 37 BT AN REO OU TTT OUT la A A as 87 EOC OU PET OU ees ANA AAA A 27 ES MATOS OU PUTS OO LOU LA AAA AAA 38 EAD AINE OO TUTE RELAIS E tee otis 38 ES THERMOCOU PLE Gs MORN TK Green creme eect tu 39 TIN US AA A A A T AA A E N 40 7 1 EMISSIVITY ANALOG s sssssesssssssssssssssssssssesessssssssssssssssssssssssssssssssssssnsssssnssssessessesssssensenssnsensensessensensensenens 40 7 2 EMISSIVITY DIGITAL sssssssssssesssssssssssssssssssssessssssssssssssssssssssssssssssssssssssssssssensesssssensensessensensensensensensensensens 41 TS NMBIENT TEMPERATURE COMPENSA TON Sd ai 41 TATRA CER HOLD ere stone aces eae ahaa acne cap Sead ions ene adams od a ee nd een ed eatin ee ap eee leas gees 43 A cee E ie E E tsar esp A ots apna E E N E E E 44 S OPERATION Sai A A A AAA AAA
13. Indicator LCD Display Up Button Down Button Page Button Enter Button Up Button Page Button LCD Display Alarm Indicator Down Button Enter Button Figure 33 Control Panel for the Comm Box DIN Signal Processing C 51 9 Object Temperature 23 09 G Head number gt 1 AVG Parameters Tambient Figure 34 Elements of the LCD Display MI3 Rev F 04 2013 45 Operation The head number is shown only if two or more sensing heads are connected to the communication box Symbol Message Meaning Remark AVG merae NENE CON CTS EEN CON TT TI AE otorgar seta OLD natos OOOO S lt Power Fault gt 8 alarm Power via USB not sufficient to drive all analog outputs of Configuration of the box is possible indicator are blinking Communication box DIN 6TE analog but outputs are set to disabled Table 4 Symbols and Messages in the Display Pushing the keys of the control panel will cause the following actions am enters the menu or save parameters enters the next page No action for 10 s forces the unit to leave the menu without saving of parameters 46 Rev F 04 2013 MI3 Operation ey 1 Head 2 Head BOX SETUP Tambient Ej ae a ji Serial No Rev Relay Mode gt lt Tbox OUT1 Mode Emissivity gt lt OUT1 Source Transmiss gt lt Laser OUT1 Value gt lt Average OUT1 low temp gt lt
14. Start Size Modbus Access Data Content address bits Type 120 130 410 420 30 discretes input bit field Get registered heads bit 0 head 1 bit 7 head 8 bit high head registered bit low head not registered holding register control only with 10 off 1 on laser 16 holding register short Relay alarm output control input register float analog input 1 value input register analog input 2 value Tr 1 input register short rigger 5 lt k gt 0 16 holding register short analog output k mode i 99 disable tristate 5 lt k gt 1 16 holding register short analog output k source head number or 0 fixed value from 5 lt k gt 3 5 lt k gt 2 16 holding register short analog output k source 1 internal temp of 5 lt k gt 1 parameter 2 object temp of 5 lt k gt 1 5 lt k gt 3 132 holding register float analog output k fixed value within range set in address 5 lt k gt 0 temp value 5 lt k gt 5 32 holding register float analog output k bottom device bottom temp device top temp L lt k gt O temp value 9 lt k gt 7 32 holding register float analog output k top device bottom temp device top temp H lt k gt O temp value MI3 Rev F 04 2013 91 lt n gt head number depending on the registered heads Modbus Data Content VETTER Access Type discretes bit field Head Status input 64 input register hex Head serial number e g 10C02752 64 input register string Head identificat
15. adjust the value down to 0 62 Or you can keep the emissivity 0 65 and adjust the transmissivity from 1 0 to 0 95 This correction accounts for energy losses in the mirror 10 3 5 Protective Window Protective windows can be used to protect the sensing head from dust and other contamination The protective window can be directly screwed onto the sensing head The following table provides an overview of the available windows Order number Material Transmission T ambient Fused Silica 0 98 0 05 120 C AXXMISTOOPW Stainless steel for 1M 2M models 248 F Table 6 Available Protective Windows For correct temperature readings the transmission of the protective window must be set via the control panel in the communication box See section 8 2 lt Head gt Page page 47 72 Rev F 04 2013 MI3 MI3 Rev F 04 2013 Accessories 73 Maintenance 11 Maintenance Our sales representatives are always at your disposal for questions regarding application assistance calibration repair and solutions to specific problems Please contact your local sales representative if you need assistance In many cases problems can be solved over the telephone If you need to return equipment for servicing calibration or repair please call our Service Department for authorization prior to return Phone numbers are listed at the beginning of this document 11 1 Troubleshooting Minor Problems Symptom Probable Cause Solution No output No
16. cable set to connect to the communication box Comm Box Multi Channel Box Head 1 Figure 40 Multiple Head Configuration with Comm Box 150 5 91 Figure 41 Dimensions MI3 Rev F 04 2013 55 Accessories as to Comm Box MISCOMM or MISMCOMM SHIELD n WHITE WHITE ke YELLOW YELLOW A GREEN LY 0 j lt BROWN SHIELD WHITE YELLOW gt SHIELD p aN WHITE WHITE i Poy YELLOW YELLOW Poy GREEN VY i lt gt BROWN ha SHIELD rs Z WHITE YELLOW S pa S SHIELD 7 ooo Figure 42 Wiring Diagram for 8 Heads Please note the correct mounting of the cable shield requires a strong metallic contact to the grommet 56 Rev F 04 2013 MI3 Accessories Shield with metallic contact to the grommet Correct position of the shield before mounting Figure 43 Correct Mounting of the Cable Shield i The total sensing head cable length for all networked sensing heads must not exceed 30 m 98 ft for MI3 and 2x30 m 2x98 ft for MI3M 10 1 2 USB RS485 Adapter The USB RS485 adapter is self powering via the USB connection Figure 44 USB RS485 Adapter XXXUSB485 MI3 Rev F 04 2013 57 Accessories S8b ccvsHy Termination A B RTS CTS GND CECSYH Figure 45 Wirin
17. calculation number within range lt n gt 060 lt n gt 070 CS setpoint relay function zh lt n gt 160 lt n gt 170 E DG lt n gt 180 Me holding loat Sensor Gain 0 8 1 2 register holding float Sensor Offset 200 C 200 C register holding float Emissivity internal 0 1 1 1 register holding short Presel Emissivity 0 7 register Pointer 2 Rev F 04 2013 MI3 3 3 3 3 lt n gt 190 3 3 2 2 2 2 2 2 16 lt n gt 200 E lt n gt 210 EP O Starting Size Modbus Data address bits Access Type lt n gt 220 holding char Emissivity Source internal command register E ext input OV 5V D digital selected FTC1 3 lt n gt 230 holding float Presel Emissivity 0 1 1 1 register lt n gt 240 holding float Valley hold time 0 0 998 9s 999 infinite register lt n gt 250 holding float Average time 0 0 999 0 seconds register input register Power AD value ES EV F G lt n gt 280 holding float Presel Setpoint SV register lt n gt 290 holding float Transmissivity 0 1 1 0 XG register lt n gt 300 holding short FTC3 trigger hold 1 trigger 2 hold XN register P holding float Setpoint relay function number within range lt n gt 060 lt n gt 070 register lt n gt 320 13 holding float Adv hold hysteresis XY register 16 de l de float iain 998 9 seconds 999 infinite aa register l E 16 32 2 MI3 Rev F 04 2013 93 Ethernet
18. compensation BIT7 0 off 1 on 110 Rev F 04 2013 MI3 ASCII Programmin Description Char Format P B S N Legal Values Factory default Head Box vI W a KB y integer nKH y integer Bottom temperature rl O float y value of output 1 Relay alarm output control 2 Target norm open 3 Target norm closed 4 Intern norm open 5 Intern norm closed 0 off 1 on 2 norm open 3 norm closed depreciated for MI3 use the commands KB and KH instead of Relay alarm output control 0 off 1 target temp 2 head ambient D 40 0 or 0 L 40 0 Relay alarm output control 2 O li o O Bottom temperature value of output 2 MINI sil P a o nay y y v float value float n head number or nT if v 60 controlled by or nl head 1 010 1T Output 2 source 20 020 11 float v float value O20 0 or nT n head number if v 60 controlled by head 1 020 11 Peak hold time V IW IW IV 0 0 998 Y 0 0s a 999 00 Power AD value op H Presel Setpoint nSV 500 C float Target temperature VW answer nT 99 9 ha Get Analog part v eva fo w S Get Analog Input2___ IVA TV2 jo sv Poll Burst mode e T poll B burst mode Bo Multidrop Address XA y Vv y 1000 032 000 gt single unit mode Profibus Modbus XAS V y 10 125 Profibus a Address 1 247 Modbus 1 Modbus Device Bot
19. daa 70 Oo ZAG Ustable MOUNTING Brack 71 TONI LU CONG scaters AS A A 71 TODA ASE AMS TENTON a SAA AA ARA A AAA AAA AA ANNOTA 72 TOS OLO EIN MO E O 72 ILMAINTENANCGCE acnee A NOE A AE 74 11 TROUBT ESHOOTING MINOR PROBLEMS rta A A ADA 74 DOES AFRO PERO ida nc 74 TLS CIFANNG IOL Le NS a a dil E ablan dauoesatias 75 MA SENSINE HEAD T XOLANG ssw ee cin we eat aca ares eae see cease sneered aude 76 12 DATATEMPMUETIDROPSOETWARE iecerei ie aa e a e i a iaia 77 TO SOI I EATON I a eet cd a A 77 ILIPO REQUIREMENTS si tence oceania teeta 77 1D OSB DRIVER INSTA EA ON E AAA AAA RA 77 TIAS OPEWARETAUN CR ii DRA E ere reer errr A 77 O O EE 78 MNR 78 ISET Cmn BON MA orre E TEET ATENT ravasabedusinscon abdbeaeensthstasaveautadenmeacndes 78 TS LL COMIDO OIN a iio 79 13I NOCI PROCRAMMINE A ETE setae ncaa tata eat ace nc ancheaece EE EE 79 H PROFIBUS cninn A A A EE E A EE 80 MIWINECA is 80 TACT NS A O O II ai tah eadaa emotes 80 COE BON ocios 82 TUD PROCRAVIMINC EE set ata 83 TA DT Taranee NA o EII nes odessa eae 83 VELA OPUESTA AAA AAA AAA AA AAA AA AS A 84 T KOUP DOIN AAA A OA EE E AE EO 85 TAL ADA nost Diir SS A T E AEON 85 I5 MODBUS ti os 88 iS IAINCO a ee aloe 38 Il ORTO MA ii o id ais 88 A OIDO IN ti bd ibi aos 89 ISO PROCERANNN CR A aa deed ad cates 90 LS ZL SUPP sn o baie Usesmucaraborantnaoesnausares 90 ESAS Laa NING AA sca abuidnehubatentsauateati tunes A E E E eeonenusnee or 90 T5222 DON Para Met A AAA ENERGA 90 15 222 2 CAG Para
20. e Spectral range of measurement e Transmission e g thin films plastics To optimize surface temperature measurements consider the following guidelines e Determine the object s emissivity using the instrument which is also to be used for temperature measurements e Avoid reflections by shielding the object from surrounding temperature sources e For higher temperature objects use instruments with the shortest wavelength possible e For translucent materials such as plastic foils or glass assure that the background is uniform and lower in temperature than the object e Mount the instrument perpendicular to the surface if possible In all cases do not exceed angles more than 30 from incidence 114 Rev F 04 2013 MI3 Appendix Material Aluminum Unoxidized Oxidized Alloy A3003 Oxidized Roughened Polished Brass Polished Burnished Oxidized Chromium Copper Polished Roughened Oxidized Gold Haynes Alloy Inconel Oxidized Sandblasted Electropolished lron Oxidized Unoxidized Rusted Molten lron Cast Oxidized Unoxidized Molten lron Wrought Dull Lead Polished Rough Oxidized Magnesium Mercury Molybdenum Oxidized Unoxidized Monel Ni Cu Nickel Oxidized Electrolytic Platinum Black Silver Steel Cold Rolled Ground Sheet MI3 3 9 um 0 02 0 2 0 2 0 4 0 4 0 1 0 4 0 02 0 1 0 01 0 05 0 6 0 9 0 05 0 25 0 5 0 8 0 65 0 95 0 25 0 2 0 3 0 9 0 05 0 2 0 4 0 2 0 7
21. list indicating the available optics see section 3 2 Optical Charts page 15 The actual spot size for any distance can be calculated by using the following formula Divide the distance D by your model s D S number For example for a unit with D S 10 1 if the sensor is 400 mm 15 7 in from the target divide 400 by 10 15 7 by 10 which gives you a target spot size of approximately 40 mm 1 57 in best critical incorrect bn tee Sensor pa aa Target greater than spot size Target equal to spot Target smaller than spot size Figure 10 Proper Sensor Placement 5 2 Installation Schemes 5 2 1 Comm Box metal The basic stand alone configuration consists of one sensing head interfaced to one metallic communications box The sensing head provides all IR measurement functionality The communications box provides an externally accessibly user interface and display advanced signal processing capability field wiring terminations and fieldbus functionality with optional RS485 communication interface MI3 Rev F 04 2013 23 Installation Power supply Comm Box 2 analog RAYMI3COMM Head 1 outputs RAYMIS 3 inputs 2n Fieldbus OOOO Figure 11 Single Head Configuration with Comm Box To increase the number of supported sensing heads you can use a dedicated accessory see section 10 1 1 Multi Channel Box page 55 5 2 2 Comm Box DIN The multiple sensing head configuration consists of a mod
22. page 43 can be used as follows XN T FTC3 as trigger XN H FTC3 with hold function 18 6 7 Ambient Background Temperature Compensation To compensate the ambient background temperature the following modes are available AC 0 no compensation AC 1 compensation with a constant temperature value set with command A AC 2 compensation with an external voltage signal at the analog input FTC2 0 V 5V corresponds to low end and high end of temperature range Current ambient temperature is readable with command A Note The mode AC 2 does not function in case of setting the command ES D For more information regarding the ambient background temperature compensation feature see section see section 7 3 Ambient Temperature Compensation page 41 18 7 Addressing of Multiple Heads The communication boxes support up to 8 heads To direct a command to one head among the 8 possible it is necessary to address the head command Therefore a number between 1 and 8 is set prior to the head command Examples for the head command Emissivity 22E requests the emissivity for sensing head at address 2 2E 0 975 sets the emissivity to 0 975 for sensing head at address 2 12E0 975 sensing head at address 2 confirms the emissivity setting 18 8 Addressing of Multiple Boxes RS485 Up to 32 communication boxes can be connected within an RS485 network To direct a command to one box among the 32 possible it is necessary to address a comm
23. power to instrument Check the power supply Erroneous temperature Faulty sensor cable Verify cable continuity Erroneous temperature Field of view obstruction Remove the obstruction Table 7 Troubleshooting 11 2 Fail Safe Operation The Fail Safe system is designed to alert the operator and provide a safe output in case of any system failure The sensor is designed to shutdown the process in the event of a set up error system error or a failure in the sensor electronics The Fail Safe circuit should never be relied on exclusively to protect critical processes Other safety devices should also be used to supplement this function When an error or failure does occur the display indicates the possible failure area and the output circuits automatically adjust to their preset levels See the following tables Symptom 0to5V Oto10V O0to20mA 4 to 20 mA Temperature over range 21 to 24 mA 21 to 24 mA Temperature under range 2 to 3 mA Head ambient temperature out of range 21 to 24 mA 21 to 24 mA Communication error between head and box 21 to 24 mA 21 to 24 mA related to zoomed temperature range Table 8 Error Codes for Analog Output 74 Rev F 04 2013 MI3 Maintenance Symptom Temperature over range gt 1200 C gt 1372 C gt 1768 C gt 1768C 2192 F 2502 F 3214 F 3214 F Temperature under range 210 C 210 C 50 C 50 C 346 F 346 F 58 F 58 F Head ambient temperature out of range gt
24. protective windows For example if a protective window is used with the sensor set the transmission to the appropriate value handles the laser in the following modes lt off gt switches the laser off lt flash gt forces the laser to blink at 8 Hz lt on gt switches the laser permanently on lt external gt switches the laser via external input FTC3 An activated laser will be switched off automatically after 10 minutes The laser is available for 1M and 2M heads only The laser can be activated at the same time for maximal 4 heads signal post processing set to averaging parameter given in seconds Once lt Average gt is set above 0 s it automatically activates Note that other hold functions like Peak Hold or Valley Hold cannot be used concurrently Value range 0 0 to 998 9 sec o See section 8 5 1 Averaging page 50 signal post processing set to Peak Hold parameter given in seconds Once lt Peak Hold gt is set above 0 s 1t automatically activates Note that other hold functions like Valley Hold or Averaging cannot be used concurrently Value range 0 0 to 998 9 sec o See section 8 5 2 Peak Hold page 51 signal post processing set to Valley Hold parameter given in seconds Once lt Valley Hold gt is set above 0 s it automatically activates Note that other hold functions like Peak Hold or Averaging cannot be used concurrently Value range 0 0 to 998 9 sec See section 8 5 3 Valley Hold page 52 d
25. setting the emissivity e forproductl1 0 90 e forproduct2 0 40 Following the example below the operator needs only to switch to position product 1 or product Des 40 Rev F 04 2013 MI3 Inputs 5 VDC R1 2000 product 1 4 0 V 0 9 To the FTC input of the box R2 5000 1 5 V e 0 4 R3 3000 product 2 Figure 25 Adjustment of Emissivity at FTC Input Example 7 2 Emissivity digital Function emissivity digital control Cm Signal digital low high Terminal FTC1 3 GND The box electronics contains a table with 8 pre installed settings for emissivity To activate these emissivity settings you need to have the inputs FTC1 FTC2 and FTC3 connected According to the voltage level on the FTC inputs one of the table entries will be activated 0 Low signal 0 V 1 High signal from 5 V to Voc A non wired input is considered as not defined Table entry Emissivity FTC3 FTC2 FTC1 Examples ND O gt 0 NN O OO oro Figure 26 Digital Selection of Emissivity with FTC Inputs The values in the table cannot be changed through the control panel 7 3 Ambient Temperature Compensation Function Ambient Temperature Compensation Cm Signal 0 to 5 Voc Terminal FTC2 GND MI3 Rev F 04 2013 41 Inputs The sensor is capable of improving the accuracy of target temperature measurements by taking into account the ambient or background temperature This f
26. 0 1 1 1 H float Valley hold time nF 0 0 998 float 999 00 Flicker Filter nFF 0 32768 0 LT 65 neger 1M 2M Head Address Connected heads IHC12378 Registered heads e g HCR no heads IHCR1 2378 HCR 0 gt new registration e g e no heads Head Status Code nHEC hex value of Status Code 16 bit hex Head identification nHI e g 7HIMIXLTS22 set at production H string Top temperature value e float y H10 40 0 500 C of output 1 or H 40 0 Top temperature value float H20 40 0 500 C of output 2 Laser Control nHL al 0 off 1 0n 2 flash integer 3 external Head serial number 2nHN e g InHN98123 set at production H integer Head special 2nHS string e g IYSNHSRAY Set at production Head Firmware Revision Firmware Revision Wo Wo a HH g 1 01 SetinFW SetinFW FW ES Head Factory a nHXF defaults Head ambient answer nl 99 9 a Switch panel lock V y L locked unlocked U unlocked 1 setting average peak valley advanced hold cancels all other hold modes 2 setting average peak valley advanced hold cancels all other hold modes 3 Head Status Codes read only Temperature unit BITO 0 C 1 F Object temperature out of range BIT1 1 out of range Ambient temperature out of range BIT2 1 out of range Parameter error for a command BITS 1 error Register write error BIT4 1 error Self test error BITS 1 error reserved BIT6 Ambient temperature
27. 1200 C gt 1372 C gt 1768 C gt 1768 C 2192 F 2502 F 3214 F 3214 F Table 9 Error Codes for Thermocouple Output TC Output Error Code Description Communication error between head and box Temperature over range Temperature under range Table 10 Error Codes via Field Bus Display Error Code Description No sensing head detected Sensing head n lost Communication error between head and box e Temperature over top range e g gt 600 C Temperature under bottom range e g lt 40 C related to full measurement range Table 11 Error Codes for LCD Display 11 3 Cleaning the Lens Keep the lens clean at all times Care should be taken when cleaning the lens To clean the window do the following 1 Lightly blow off loose particles with canned air used for cleaning computer equipment or a small squeeze bellows used for cleaning camera lenses 2 Gently brush off any remaining particles with a soft camel hair brush or a soft lens tissue available from camera supply stores 3 Clean remaining dirt using a cotton swab or soft lens tissue dampened in distilled water Do not scratch the surface For finger prints or other grease use any of the following e Denatured alcohol e Ethanol e Kodak lens cleaner Apply one of the above to the lens Wipe gently with a soft clean cloth until you see colors on the surface then allow to air dry Do not wipe the surface dry t
28. 16 Ethernet Specification Ethernet 10 100 MBit s electrically isolated Protocol TCP IP version 4 http server capability supporting up to 8 sensing heads Connection M12 or RJ45 electrically isolated 16 1 Wiring 16 1 1 Comm Box metal The connector on the box side is an M12 plug in connector 4 pin D coded suited for industrial Ethernet with IP67 protection rate with a screw retention feature An M12 RJ45 connector adapter cable is available at a length of 75 m 25ft withstanding up to 70 C 158 F for the ambient temperature XXXETHLTCB 3 4 i O O 2 1 Figure 78 M12 Connector Socket and Pin Assignment 16 1 2 Comm Box DIN The connector on the box side is a standardized RJ45 connector RJ45 Pin Figure 79 RJ45 Connector Socket and Pin Assignment 16 2 ASCII Programming For the programming details see section 18 ASCII Programming page 103 94 Rev F 04 2013 MI3 Ethernet 16 3 http Server The MI3 Comm Box with Ethernet provides a built in http server for one or more client computers based on the http protocol within an Intranet For getting setting the network address through the control panel of the Comm Box see section 8 3 lt Box Setup gt Page page 49 The web site landing for a client is to be seen in the next figure alRaytek A ayt Noncontact Infrared Temperature Measurement TEMPERATURE SENSOR WEB MONITOR Box Model MI3MCOMME S N 12345678 FW Revision 2 19 Sensing hea
29. 2 3 TECHNICAL DA TA re ee mere Aaa 13 3 MEASUREMENT SPECIFICATION e ida 13 DETON EHAS rere E E seeyeacat uae ein ustiiu nas dansysenteteanbeduiyian 13 A ONDON Lee ee eR EEE ee E See Len we Warren re eenre errat 14 MOR IeAp GH AED 4 ou eee Oe re OT eR Oe ee re eee ym e eta o ne ene 15 A cl elas ak CUS IC Ree eee eo en one eT ren Teen ome 16 30 COMI Box Mao dels il dota 16 SOME DOMO a a 16 2I CONDON GTE ADOS AAA A E AA Ns 16 A PNVIRONMENTAL SPECTICA ON AAA AO 17 a A A E 17 A IA A A O 17 AO COMEDOR DIN A A aa 18 AR ETE EEE OMS bado 18 SOI WEE NGI ic Sas a aja 18 KILNS TTAR EL E Eso ARA nace sae aise inne tad lanier T cand ae ale naa Diabes nae unte tet OA 18 Bop ge ghey ice A Bw Beemer A eee en EN Serre re rere er ae pe aren reer A rete ere 18 Deed NSE ACU A E T TN eee nan aera ee Ema 19 Da COM Oe IN ai a a ita 19 De 08D AN O A A 20 ES COPROF DIVERS lidia 20 E SCSI AA As 20 OZ CORTADO aie aA a aA uisedea Sacto raauucids a a a A 20 PBASE Siir NA EET e ees 21 A MEASUREMENTOS INFRARED TEMPERATURE eci i a id tte 21 AS ENISSIVITY OE TARCE T OBIECT eiiie litio iia 21 AFANDINI SV Loo LCA ST te a re e a E E A a OT 21 LAA TMOS TENC OU Ain 21 AG ie TR ICA TIN EERE NIC i A oE E E tapia 21 SINSTALLATION ao 23 o ee ee ee ere er te 23 dll Polance to Ot it aia 23 EINSA LATON SCHEMA pis 23 D2 LC OM BOR MOa ar iii ica 23 CONNOR DIE PR A E EEE E A AE EA E AA E RA E A 24 SO WRNGIIFAD CARIE Conai ene a n ta 24 DL CONEIB ON ROTA A EOE ETN
30. 30 Ethernet 0 0 0 0 Profinet Net Mask NM 2NM y 255 255 255 0 255 255 255 0 Ethernet 0 0 0 0 Profinet 112 Rev F 04 2013 MI3 ASCII Programmin 192 XXX XXX XXX Ethernet 0 0 0 0 Profinet 001d8d 1xxxxx 00 1d 8d 10 00 14 Ethernet 00 1d 8d 10 00 1f aa Profinet ba 65535 MAC address read only PORT address PORT Rat i Ethernet only DHCP on off Ethernet oniy Bual 0 off 1 on 0 off 1 on Data logging interval DLI 2097120 s Ethernet only Get Ethernet ETV ETV String 4 char Version Table 16 Command Set Ethernet only MI3 Rev F 04 2013 113 Appendix 19 Appendix 19 1 Determination of Emissivity Emissivity is a measure of an object s ability to absorb and emit infrared energy It can have a value between 0 and 1 0 For example a mirror has an emissivity of lt 0 1 while the so called Blackbody reaches an emissivity value of 1 0 If a higher than actual emissivity value is set the output will read low provided the target temperature is above its ambient temperature For example if you have set 0 95 and the actual emissivity is 0 9 the temperature reading will be lower than the true temperature An object s emissivity can be determined by one of the following methods 1 Determine the actual temperature of the material using an RTD PT100 a thermocouple or any other suitable contact temperature method Next measure the object s temperature and adju
31. 485 Ai O dd oes beeen aes cnasderdecededeensesesed nase 107 TSO CONAN STi AS esc ON 108 II TASC Commands for Ethernet Und DONA aaa 112 ND POE A AA NS 114 19 1 DETERMINATION OF EMISSIVIT Y cccrettrctsceet eee iees ines seneeeneeeneseneseeeseeeseeesseeeseeeseeeseeeseeeesenesenes esas eneseeeseeeeees 114 19 2 TYPICAL EMISSIVITY VALUES teectcessccsscessseesssenssenseeeseenssenssessseseseeesseesseesseees sees eeeseeeseeeesenesenes ener eeeseeeseeeeees 114 20 NOTE Sernin scsecnsaueeapusswasecssanssaguss vans sa iaua ve A A EEE 118 Safety Instructions 1 Safety Instructions This document contains important information which should be kept at all times with the instrument during its operational life Other users of this instrument should be given these instructions with the instrument Eventual updates to this information must be added to the original document The instrument should only be operated by trained personnel in accordance with these instructions and local safety regulations Acceptable Operation This instrument is intended only for the measurement of temperature The instrument is appropriate for continuous use The instrument operates reliably in demanding conditions such as in high environmental temperatures as long as the documented technical specifications for all instrument components are adhered to Compliance with the operating instructions is necessary to ensure the expected results Unacceptable Operation The instrument shou
32. 5 3 Sensing Head 1M 2M Standard cable length 1 m 3 ft 5 mm 0 2 in Figure 4 Dimensions of 1M 2M Sensing Heads 3 5 4 Comm Box metal The box is equipped with three cable feed through ports two with IP65 compatible sealing glands a third sealing gland comes for boxes with fieldbus communications RS485 Profibus etc Boxes without fieldbus have a plugged expansion feed through port instead M12x1 5 thread fai tind B45 18 32 2 05 31 5 1 2 IIS 4 53 mm in Figure 5 Dimensions of Communication Box MI3 Rev F 04 2013 19 Technical Data 3 5 5 Comm Box DIN The boxes come in a standard DIN rail size in accordance to EN 50022 35x7 5 DIN 43880 Width MI3MCOMMN MI3MCOMM MI3MCOMM X DIN 3TE DIN 4TE DIN 6TE 93 6 mm 2 1 in 71 6 mm 2 8 in 107 6 mm 4 2 in Figure 6 Dimensions for Comm Boxes DIN 3 6 Scope of Delivery 3 6 1 Sensing Head e Sensing head with 1 m 3 ft cable e Laser 1M 2M heads only e Mounting nut 3 6 2 Comm Box e Communication box e Software DVD e Quickstart guide 20 Rev F 04 2013 MI3 Basics 4 Basics 4 1 Measurement of Infrared Temperature All surfaces emit infrared radiation The intensity of this infrared radiation changes according to the temperature of the object Depending on the material and surface properties the emitted radiation lies in a wavelength spectrum of approximately 1 to 20 um The intensit
33. 932 to 3272 F Spectral Response LT 8 to 14 um G5 5 um 2M 1 6 um 1M 1 um Optical Resolution D S LTS 2 1 10 1 22 1 typ 21 1 guaranteed LTF 10 1 LTH 10 1 22 1 typ 21 1 guaranteed G5 10 1 1M 2M 100 1 SF1 optics 2 mm spot 200 mm distance 0 08 in 7 9 in SF3 optics 22 mm spot 2200 mm distance 0 87 in 8 7 in Response Time LTS standard LTH 130 ms LTF fast 20 ms G5 130 ms IM 2M 10 ms Accuracy LT G5 1 of reading or 1 C whichever is greater 2 C 4 F for target temp lt 20 C 68 F 1M 2M 0 5 of reading 2 C Repeatability LT G5 0 5 of reading or 0 5 C whichever is greater 1M 2M 0 25 of reading 1 C Temperature Coefficient LT G5 0 05 K K or 0 05 of reading K whichever is greater 1M 2M 0 01 of reading K 1 at 90 energy in minimum and distance 400 mm 15 7 in 2 90 response 3 30 ms if more than one sensing head drives an analog output of the communication box 4 at ambient temperature 23 C 5 C 73 F 9 F e 1 0 and calibration geometry 5 ambient temperature deviations related to 23 C MI3 Rev F 04 2013 13 Technical Data 3 1 2 Comm Box Accuracy mA V output 1 C TC output Bolg Temperature Resolution mA V Output 0 1 C 0 2 F 12 bit for Comm Box metal mA V Output 0 02 C 0 04 F 16 bit for Comm Box DIN 6TE analog Temperature Coefficient mA V Output 0 02K K TC Output 0 05K K Emissivity All model
34. A A 92 16 ETHERNET la EE ES 94 TO T WINCC A A A DAS AAA AAA A 94 TG Ps ACCOM TT ON Meda is ina 94 EAS SAA errand ie weet A ca ttt aie eat ase tatiana eat S 94 16 2 ASCII PROGRAMMING reesseescessesseescesseeseesseaseeseeessssensesssenseesseesenseees ens enes ees ens eens ens enes nesses snes ens ensenes ens eneeeeeenss 94 O 95 DOS OS 95 IARROPIN ED AAA AAA AAA AAA suas ea AA 97 TITAN E a 97 Fel AO A EEE ates tae oe vanes Geeta bai an ITA ATE E Paaceaaneeae 97 17 2 PROGRAMMING crrcccsrrscssscsessseessseensseeeeeseeeeseeseseeeeeseee ees ee nesses rro reno noc ees seen eee ees ee ees eee cn rocccnaco coso 98 AFP LOS DP ON OUNO TON SAS AAA vine ue AAA AAA 98 A A A cat cn ascmutestestaateweystutesectsntes ani escual saree state A aici eceatentesiuntea 98 FZ A OME oura OM es abo sina RC 98 A a A A RS 98 1722 SAO PAI AS A A A A a 99 1 222 Pyrometer Module Lara ocacionales 100 Teao PA O TU CNO A A ii 101 174230 dota ton Input o e E PAA A E E iia E 101 17232 Pyrometer Module MPU Dat A AR 101 T24 Output Data SUCUT AA AAA AAA AAA AAA AAA AAA 101 DT DED DONOSTI E E EE A T A A betty T N en Menace T ANS 101 17 2 51 Error Bits of the Station Diagnosis OphoNalloraioacinnos cocacola bre ea pacobacdieds dabas 102 17 2 5 2 Error Bits of the Pyrometer Module Diagnosis optional oooconoconocononononononononononannnnanananananananenoss 102 18 ASCILPROGRAMIMEIN O said 103 18 1 TRANSFER MODES cerresccrrcccsrrsessseessseensseeeeeeeeesseeeseeeeeeeeeese
35. AAA 45 o LCONTROL PANEL dd ner er errr 45 Sarr AD aC edia a aa o a eo esas 47 oe a ey A PAC E A E E E ee eee ee rr 49 SALPOXINIO PATA ooo io tans 50 POS TOCE INEA cno AS 50 B LACINIA da 50 Ds ACU A a 0 10 AE cape E Pa E E T E EE E E E E E ET 51 ER IS a O AEE E E tte E Dal ae E EE Dahlen daeeape 52 GOA Adan C CONG TO E E EROTA AR E OOO A O EAE 92 DOSTATONE Valey TIOR states orca Sasa ETA T E A A AEA uheaineomaCuaoaes 53 9 0 0Adgancea F eak ODA DOLO AA AS AAA A 53 SoA AdUAncea Valley AOA WIL ADELA Mi iS AAA AAA 53 DOE TTON Sisa io 54 10 ACCESSORIES anoi a A AAA AAA ni 55 10 1 ACCESSORIES ALL MODELS s ss sssssssssssessessesesssessessensessessessensensensensessessensensensensensessensensensensensensensensens 55 TO CTM a CHAPEL BON iie di aia aa E E E N 55 TOTZ USER IAEI AUP E EAN EN ERNO E E ON EAE O AE O EANO O OA TERNG 57 10 2 ACCESSORIES LT G5 HEADS ssssssssssssssssesseeesessessessensensensessessenssssensenssnsessensensensessensensensensensensensensens 58 102 AVA ustabile Mon ntin S DIO CREE ai AA AE AA AA A tas 60 TOLDO MOUNT O DICO A AN T ide 61 10 200 AM PULSO JC A A toual i tnebe sos esavaavecdeade 61 TOZ AAN C OOE SUSTO ii bn 62 LOZ FREN AICI CVT TOM ia 66 102 0Protec ioe VV TIO AR O o OO tease paw even bse fos eae A 67 TOG A PP e A 67 10 3 ACCESSORIES 1M 2M HEADS r0errrrerrencencnnannoncancancnnonnon concen can onnon non nen ran conon an ren rencor canon ren ren cen conaran ren canooss 68 TOS TE Moun NNE DICC
36. E is the parameter 0 975 is the value for the parameter lt CR gt lt LF gt 0Dh OAh is closing the answer Error message MEM Syntax Error is the character for Error 18 3 Device Information This information is factory installed read only Command Description Answer Example 2H HIMISLTS22 2HN HN98123 XU XUMI3 XV IXVOA0027 XH IXH0600 0 XB IXB 040 0 Table 15 Device Information 18 4 Device Setup 18 4 1 Temperature Calculation U C unit for the temperature value E 0 950 Emissivity setting Caution according to the settings for ES see section 18 4 3 Emissivity Setting and Alarm Set points page 104 XG 1 000 Setting for transmission For the calculation of the temperature value it is possible to set an offset relative number to be added to the temperature value and a gain value DG 1 0000 Gain adjustment for the temperature signal DO 0 Offset adjustment for the temperature signal If the ambient temperature is not requested by the internal head temperature you must set the ambient temperature values as follows A 250 0 Ambient temperature example AC 1 Control ambient background temp compensation 18 4 2 Temperature Pre Processing The samples from the AD converter energy values can be processed before temperature calculation The corresponding filter command is lt FF gt 18 4 3 Emissivity Setting and Alarm Set points The device allows three choic
37. MIS Miniature Infrared Sensor Operating Instructions d d alRaytek A Fluke Company Rev F 04 2013 99201 Contacts Raytek Corporation Worldwide Headquarters Santa Cruz CA USA Tel 1 800 227 8074 USA and Canada only 1 831 458 3900 solutions raytek com European Headquarters France Berlin Germany Tel 49 30 4 78 00 80 info raytek fr raytek raytek de Fluke Service Center Beijing China Tel 86 10 6438 4691 info raytek com cn Internet http www raytek com Thank you for purchasing this Raytek product Register today at the latest updates enhancements and software upgrades United Kingdom ukinfo raytek com www raytek com register to receive Made in Germany Juli 2010 Ra ek Model RAYMI310LTS E Serial 1070088 Power Requirements 8 bis 32 VDC 4W HE IP 6S Raytek Corporation Raytek and the Raytek Logo are registered trademarks of Raytek Corporation All rights reserved Specifications subject to change without notice WARRANTY The manufacturer warrants this product to be free from defects in material and workmanship under normal use and service for the period of two years from date of purchase except as hereinafter provided This warranty extends only to the original purchaser a purchase from the manufacturer or a licensed distributor of the manufacturer is an original purchase This warranty shall not apply to fuses batteries or any product which ha
38. P VO defines a cyclical data exchange between a master e g a PLC and a slave MI3 sensor At start up first an array of parameters Profibus specific data is sent from the master to the slave followed by an array with the configuration sensor specific presetting s taken from the GSD file also sent from the master to the slave After start up the bus switches to the data exchange state In this state in and output data gets exchanged cyclically between master and slave The input data is sent from the slave to the master and contains mainly the measured temperatures of the MI3 sensor see section 14 2 2 Input Data page 84 The output data is sent from the master to the slave and contains a set of selected sensor parameters see section 14 2 3 Output Data page 85 In case of an error in start up phase or during data exchange diagnostic data is sent to the master see section 14 2 4 Diagnose Data page 85 Each Profibus device comes with a device description file GSD file which is read by the programming software of the master to define the slave Specification Version Profibus DP VO Physical layer RS485 2 wire electrically isolated Baud rate 9 6 kBit s to 12 MBit s automatic negotiated Connection terminal or Sub D or M12 Address range 1 to 125 for the Profibus device ID 0D36 GSD file RAY_0D36 gsd Head support up to 8 sensing heads MI3 or MI3100 14 1 Wiring 14 1 1 Comm Box metal X1 Pin Terminal Profib
39. To preserve the display s longevity the backlight should be turned off in case of not using it 8 4 lt Box Info gt Page lt Serial No gt serial number of the box lt Rev gt firmware revision Tbox current box ambient temperature 8 5 Post Processing 8 5 1 Averaging Averaging is used to smooth the output signal The signal is smoothed depending on the defined time basis The output signal tracks the detector signal with significant time delay but noise and short peaks are damped Use a longer average time for more accurate damping behavior The average time is the amount of time the output signal needs to reach 90 magnitude of an object temperature jump 50 Rev F 04 2013 MI3 Operation Temp a Output temperature Object temperature temperature jump 90 of temperature jump average time Time Figure 35 Averaging A low level input GND at external input FTC3 will promptly interrupt the averaging and will start the calculation again Attention The disadvantage of averaging is the time delay of the output signal If the temperature jumps at the input hot object the output signal reaches only 90 magnitude of the actual object temperature after the defined average time 8 5 2 Peak Hold The output signal follows the object temperature until a maximum is reached The output will hold the maximum value for the selected duration of the hold time Once the hold time is exceeded the
40. a second temperature sensor infrared or contact temperature sensor ensures extremely accurate results For example a second IR sensor configured to provide a 0 to 5 volt output scaled for the same temperature range as the target can be connected to input FTC2 to provide real time ambient background compensation Sensor 2 targeted to ambient Furnace wall 0 5 VDC analog output ae at FTC2 input e sensor 1 q targeted lt gt T to object l CCR id Thermal radiation of ambient Thermal radiation of target Target object Figure 27 Principle of Ambient Background Temperature Compensation 42 Rev F 04 2013 MI3 Inputs 7 4 Trigger Hold Function Trigger Hold Cm Signal digital low high Terminal FTC3 GND The FTC3 input can be used as an external trigger functioning as Trigger or Hold All sensing heads are effected by the FTC3 input at the same time Figure 28 Wiring of FTC3 as Trigger Hold Trigger A logical low signal at the input FTC3 will reset the peak or valley hold function As long as the input is kept at logical low level the software will transfer the actual object temperatures toward the output At the next logical high level the hold function will be restarted Temp object temperature output temperature Time Figure 29 FTC for Resetting the Peak Hold Function Hold This mode acts as an externally generated hold function A transition at the input FTC3 from lo
41. aTemp Multidrop software for sensor configuration and monitoring e Field calibration software 1 Modbus is a registered trademark of Modbus Organization Inc MI3 Rev F 04 2013 11 Description 2 1 Overview Comm Boxes MISCOMM MISMCOMMN MISMCOMM MISMCOMM metal box DIN STE DIN 4TE DIN 6TE MI3COMM MI3MCOMMN MI3MCOMM MI3MCOMM Spectral Heads LT G5 1M 2M LT G5 1M 2M LT G5 1M 2M LT G5 1M 2M Head Support by firmware 8 heads 8 heads 8 heads 8 heads by terminal 1 head 4 heads 4 heads 4 heads Control panel Y Y Display Buttons Emissivity analog Emissivity digital Ambient Temp Compensation Trigger Hold Function Laser Switching Y Y 4x optional A 1 Y Y Interfaces USB Standard Standard Standard Standard RS485 Option 4 Standard Protocols ASCII Standard Standard Standard Standard Profibus Option P1 P2 Option P Modbus Option M Option M Profinet Option PN Option PN Ethernet Option E Option E Table 1 Capabilities of Communication Boxes 11M 2M spectral heads require box firmware revision 2 11 or higher 12 Rev F 04 2013 MI3 Technical Data 3 Technical Data 3 1 Measurement Specification 3 1 1 Sensing Heads Temperature Range LTS02 LTS10 LTH10 40 to 600 C 40 to 1112 F LTS20 LTF LTH20 0 to 1000 C 32 to 1832 F G5 250 to 1650 C 482 to 3002 F 2M 250 to 1400 C 482 to 2552 F 1M 500 to 1800 C
42. ameter gt gives the meaning of the following eight parameters with the same format as described in section 17 2 2 2 Pyrometer Module Parameters page 100 Number of type Meaning Do not change anything laser EST 7 If lt Type of parameter gt is set to 0 then the output data gets ignored So it should be set to 0 as default 17 2 5 Diagnostics The diagnostics information of the fieldbus communicator can be read out acyclically using standard diagnostics data sets defined in the Profinet IO specification Errors occurring when configuring and setting the parameters of the fieldbus communicator and the connected pyrometer modules as well as external errors are reported by the communicator via channel specific diagnostic In productive data exchange between the I O controller and the fieldbus communicator one byte IOPS process data qualifiers are available for each module providing information of the validity of the pyrometer module data good bad In the event of an error occurs during operation the problem MI3 Rev F 04 2013 101 Profinet indicator in APDU Status is set by the communicator and a diagnostic alarm is additionally transmitted 17 2 5 1 Error Bits of the Station Diagnosis optional Bit Description ee Self test error Box ambient temperature out of range 2 Sensing head communication error Parameter error Register write error 17 2 5 2 Error Bits of the Pyrometer Module Diagnosis optio
43. and Therefore a 3 digit number is set prior the box command The 3 digit number is determined between 001 and 032 XA 024 will set address to 24 box must not be in multidrop mode MI3 Rev F 04 2013 107 ASCII Programming Changing an address e g the address is changed from 17 to 24 command answer 017 E 017E0 950 017XA 024 017XA024 setting of a new address 024 E 024E0 950 Note A box with the address 000 is a single box and not in multidrop mode If a command is transferred starting with the 3 digit number 000 all boxes with addresses from 001 to 032 connected will get this command without to send an answer command answer 0247E 024E0 950 000E 0 5 will be executed from all units no answer 0247E 024E0 500 012 E 012E0 500 18 9 Command Set P Poll B Burst S Set N Notification n head number v value X uppercase letter Description Char Format P B S N Legal Values Factory default Head Box Pame PO oo be o o Smee E e PO ee o C E E E posers He Burst string format or aw nT Ambient background A nA CPF temp compensation float Advanced hold with 0 999 9 s 000 0s average hie 0 sensor temp 1 via number 2 via ext input Advanced hold threshold hold threshold ec 4 Hr MN 800 PCE C F s calculated S 1 1 emissivity Cali Certification Date CFDT nCFDT CFDT yyyymmdd
44. ano zanoj S LIC on zn OJS O rano ZGN9D S ri 9 S u IS S eano LAN9 S 2 IO fen In ISIR S eano LOND IS O le A O S K i S Y S co E S E T S g a ab l E S O l l Te po gt GND FTC3 RELAY RELAY 8 32 V GND Shield Figure 19 Terminal Wiring for the Comm Box DIN 6 TE analog 31 Rev F 04 2013 MI3 Installation 5 4 5 EMI Resistance for Comm Box DIN To maintain EMI compliance to CE standards the attached Ferrite cores need to be placed on all wires Make sure that the cable shields will be connected to the terminal pin lt Shield gt self adhesive shield tape to wrap round the cable Shield wire connected to terminal pin lt Shield gt Ferrite Core placed on all wires except the shield wire Figure 20 Mounting of Shield Wire and Ferrite Core 32 Rev F 04 2013 MI3 Installation 5 5 Power On Procedure To power the system the following procedures are required 5 5 1 One Head System 1 ZE 3 4 Disconnect power to the box Connect the wires for the head to the box terminal Power the box The box now assigns address 1 to the head 5 5 2 Multiple Heads Random Address Assignment I Za 3 4 Disconnect power to the box Connect the wires for all heads to the box terminal Power the box The box automatically assigns a unique address to each of the heads the mapping of physical h
45. ataTemp Multidrop DTMD provides sensor setup remote monitoring and simple data logging for analysis or to meet quality record keeping requirements Additional features configurable with DTMD Software e Eight position recipe table that can be easily interfaced to an external control system e External reset signal input FTC for signal processing e External inputs FTC for analog emissivity adjustment or background radiation compensation e Remote digital communication and control of up to 32 sensors in an RS485 multidrop configuration For more detailed information see the comprehensive help feature in the DTMD software 12 2 PC Requirements e PC with Windows 2000 XP Vista Win7 64 MB RAM memory e about 10 Mb free memory on the hard disc for program files e USB port with recommended USB RS485 adapter available as accessory see section 10 1 2 USB RS485 Adapter page 57 12 3 USB Driver Installation Before running the DTMD Software the installation of an adequate USB driver is required see section 5 6 USB page 34 12 4 Software Launch Make sure any sensor is turned on and the USB driver is installed before running DTMD software The Startup Wizard runs the first time you use the program Please note e The wizard shows active COM ports only e The sensor requires the selection of lt ASCH protocol e The DTMD software communicates to Comm Boxes only A multidrop installation is related to a network with multiple Comm
46. channels Source object temperature head ambient temperature Signal 0 4 to 20 mA or 0 to 5 10 V Terminal Tia U14 GND1 4 Each signal output can be configured as either current or voltage output whereby each sensing head can be assigned to each output The minimum load impedance for the voltage output must be 10 kQ The maximum current loop impedance for the mA output is 500 O All outputs are short circuit resistant i Each output is galvanically isolated from the other and from the power supply Powering the communication box DIN 6TE analog only via USB will disable all i analog outputs The configuration of the box under the control panel is furthermore possible Under the DataTemp Multidrop you can only drive and configure the analog outputs by using an additional external power supply 6 4 Alarm Output RELAY Comm Box all models Ca Source object temperature head ambient temperature Signal potential free contacts Terminal RELAY RELAY The alarm output is controlled by the target object temperature or the head ambient temperature In case of an alarm the output switches the potential free contacts from a solid state relay The maximum load for this output is 48 V 300 mA If a spike voltage exceeding the absolute maximum rated value is generated between the output terminals insert a clamping diode in parallel to the inductive load as shown in the following circuit diagram to limit the spike voltage
47. cooling purposes The recommended air flow rate is 30 to 60 1 min 0 5 to 1 cfm The max pressure is 5 bar 73 PSI MI3 Rev F 04 2013 61 Accessories 12 0 47 aw EJ Ng Al D g Fitting to M5 Qe si o gt inner thread l Hose with inner diameter of 3 mm o gt mm in 47 185 _ 0 12in outside wf 9 mm 0 2 in Figure 49 Air Purge Jacket XXXMIACAJ Figure 50 Mounting the Air Purge Jacket 1 Remove the sensor and cable from the communication box by disconnecting the wires from the terminal 2 Open the Air Purge Jacket and screw the white plastic fitting onto the sensor up to the end of the threads Do not over tighten 3 Slip the cable through the backside of the jacket 4 Close the Air Purge Jacket reconnect the wires to the communication box and apply the mounting nut 6 10 2 4 Air Cooling System is The Air Cooling System can not be combined with LTH heads The sensing head can operate in ambient temperatures up to 200 C 392 F with the air cooling system The air cooling system comes with a T adapter including 0 8 m 31 5 in optional 2 8 m 110 in air hose and insulation The T adapter allows the air cooling hose to be installed without interrupting the connections to the box The air cooling jacket may be combined with the right angle mirror 62 Rev F 04 2013 MI3 Accessories Hose to sensing head Cable to box Fitting free for air connection inner
48. d 1 Internal temperature C 20 1 Head Model MI310LTH S N 12706680 FW Revision 2 06 Sensing head s 1 2 3 5 6 7 8 Object temperature C 21 2 22 5 22 2 21 5 21 3 21 8 21 6 22 2 Internal temperature C 22 3 22 6 22 1 22 5 22 3 22 4 22 0 22 8 Box Datasheet EN Status ok ok ok ok ok ok ok ok Box Datenblatt DE Boitiers Fiche technique FR Head Datasheet EN DATA LOGGING stopped Kopf Datenblatt DE Interval 5 fi Set Capteurs Fiche technique FR a 1113 QuickStart _Stert Stop MI3M QuickStart GET DATA MI3 Manual EN Password esse New password set Raytek website Support Raytek Corporation 2012 2013 Figure 80 Landing Page for http Clients Beside some basic information for the MI3 communication box box model serial number S N firmware revision and current internal temperature all sensing heads connected to the box are listed on that page The head number is mouse sensitive and provides additional information to the head head model serial number S N firmware revision Each sensing head provides the current measured object temperature the internal temperature of the head itself and the operating status differentiated by the following lt ok gt operating status ok lt error gt communication error detected e g in case of a cable break or a power loss lt alarm gt alarm condition fulfilled current object temperature versus the alarm threshold The one click access ar
49. d and spread the strands out 3 Strip 3 mm 0 12 in of insulation from the wires 4 Open the communication box by removing the four Phillips head screws and pulling off the lid Unscrew the pressure screw and remove the first metal washer the rubber washer and the second and the third metal washers 5 Put the following on the cable the pressure screw the first metal washer the rubber washer and the second metal washers see the following figure 6 Spread the cable shield and then slip the third metal washer onto the cable Note that the shield must make good contact to both metal washers 7 Slip the wires into the communication box far enough to connect to the terminal 8 Screw the pressure screw Y into the communication box Tighten snuggly Do not over tighten 9 Connect the wires to the terminal on the printed circuit board 99 0900 Cable and sensing head Figure 13 Sensing Head Cable to the Comm Box 5 3 2 Comm Box DIN The wiring of the sensing head cable is color coded see section 5 4 3 Comm Box DIN 4 TE page 28 5 4 Wiring Terminal You need to connect the power supply and possibly the signal input output wires Use only cable with outside diameter from 4 to 6 mm 0 16 to 0 24 in wire size 0 14 to 0 75 mm AWG 19 to 26 MI3 Rev F 04 2013 25 Installation The cable must include shielded wires It should not be used as a strain relief 5 4 1 Comm Box metal
50. d or emulated versions of Windows operating environments memory resident software or on computers with inadequate memory The manufacturer warrants that the program disk is free from defects in material and workmanship assuming normal use for a period of one year Except for this warranty the manufacturer makes no warranty or representation either expressed or implied with respect to this software or documentation including its quality performance merchantability or fitness for a particular purpose As a result this software and documentation are licensed as is and the licensee i e the User assumes the entire risk as to its quality and performance The liability of the manufacturer under this warranty shall be limited to the amount paid by the User In no event shall the manufacturer be liable for any costs including but not limited to those incurred as a result of lost profits or revenue loss of use of the computer software loss of data the cost of substitute software claims by third parties or for other similar costs The manufacturer s software and documentation are copyrighted with all rights reserved It is illegal to make copies for another person Specifications subject to change without notice The device complies with the requirements of the European Directives EC Directive 2004 108 EC EMC Content A SAWP EE VOLING TRU CO PON So eae es 10 2 DESCRIPTION re er ree Pe E T N 11 DS TeV VE C ONM DOE dis i 1
51. e To avoid ground loops make sure that only one point is earth grounded either via the sensing head the Comm Box or power Please note that e The metal housings of the sensing head and the MI3 communication box are electrically connected to the shield of the head cable e All inputs and outputs except the alarm output and the outputs of the Comm Box DIN 6TE analog use the same ground and are electrically connected to the power supply W Y G B 5 Figure 8 Shield Run for Comm Box DIN Shield Shield Figure 9 Only one point is earth grounded either via sensing head via Comm Box or via Power 22 Rev F 04 2013 MI3 Installation 5 Installation 5 1 Positioning Sensor location depends on the application Before deciding on a location you need to be aware of the ambient temperature of the location the atmospheric quality of the location and the possible electromagnetic interference in that location If you plan to use air purging you need to have an air connection available Wiring and conduit runs must be considered including computer wiring and connections if used 5 1 1 Distance to Object The desired spot size on the target will determine the maximum measurement distance To avoid erroneous readings the target spot size must completely fill the entire field of view of the sensor Consequently the sensor must be positioned so the field of view is the same as or smaller than the desired target size For a
52. e burst string parameters while in poll mode Return from burst mode to poll mode If poll mode should activate while burst mode is still active send a character and within the following few seconds the command V P 18 2 Command Structure Requesting a parameter Poll Mode E lt CR gt 2 is the command for Request E is the parameter requested lt CR gt carriage return 0Dh is closing the request Remark It is possible to close with lt CR gt lt LF gt 0Dh OAh but not necessary Setting a parameter Poll Mode The parameter will be stored into the device EEPROM E 0 975 lt CR gt E is the parameter to be set is the command for set a parameter 0 975 is the value for the parameter lt CR gt carriage return 0Dh is closing the request Remark It is possible to close with lt CR gt lt LF gt 0Dh 0Ah but not necessary Setting a parameter without writing into the EEPROM Poll Mode This function is for test purposes only E 0 975 lt CR gt E is the parameter to be set 4 is the command for set parameter without writing into the EEPROM 0 975 is the value for the parameter MI3 Rev F 04 2013 103 ASCII Programming lt CR gt carriage return 0Dh is closing the request Remark It is possible to close with lt CR gt lt LF gt 0Dh 0Ah but not necessary Device response format 1E0 975 lt CR gt lt LF gt 1 is the parameter for Answer
53. e nesses eesee eens eee ee eens eens eens eee es seen roo cn rrcc cn roccnnanoss 103 18 2 COMMAND STRUCTURE crreerrrrrressesesesestnnsenesensensenseessenseeseesseeseeeseeseese nesses eeeeees eee ees ees ees eees ees eeesens ens eeesees ens 103 18 3 DEVICE INFORMATION lt rrcccsrscccssccssssessssenssssesesseseeseeecseeessseeeeeeeeesee eens eeeeseeeeeeeeeesee eens eee e eens ee ees seen scenes eeees 104 ISA DEVICE SETUP ean A o a TAa 104 164 Temperature ale Ud AA SA AAA AS 104 1642 Temperature PrePress n NAAA AAA AAA ASA AAA 104 19 43 EMISSIONY Setting and Alarmi SCE POIS AAA AA AE T AA 104 TOE A A O eet geatea merece 105 18 5 DYNAMIC DAT Aceerrrrrtsreseesseenssenssenssenseenseeneseees eens eeeeeeeee snes e nese nese sees sees sees en es sees eens nese snes enes ones ones eens eens senate 106 18 6 DEVICE CONTROL crcctrssrctrssscesseeseessessensenesensenseessenseeseenseeseeeseeseeesees sess nesses eee ees ees sees ens eeseees ens eeesenseeseeeeees ens 106 TSO 1 Oiiputtortne Tarsel Lengua 106 190 2AMALOS QUEBEC AA AR AAA AA eat 106 SOD FIAT OUD UL AA A AA boas 106 LS O 4 ACTON ACAI E OAL AA o day aoa E tewimenmauedGes 107 LO LOK MILE dai AA id 107 15 00 Mode Seine for tie DISTAL IAPUEELOS ii A AN ld 107 18 6 7 Ambient Background Temperature COMPENSALION aalicta did dns 107 18 7 ADDRESSING OF MULTIPLE HEADS 00oooorcocnncnnnconoconnnonnconnocnnoorrcon roo rocn roo r ron rc on ron nro oro cn rco rro rro cnrccnroc censo 107 18 8 ADDRESSING OF MULTIPLE BOXES RS
54. e set to the following parameters Number of type Description MA do not change anything ambient temperature ambient temperature compensation 6 valeyholdtine SSS If lt Type of parameter gt is set to 0 then the output data gets ignored So it should be set to 0 as default Attention You should be aware that always all heads are updated So you have to set all eight or as much as heads are connected parameters to the correct value 14 2 4 Diagnose Data The device uses the first 32 bytes of the Identifier Related Diagnosis The first 6 bytes consist of Standard Diagnosis dedicated to bus parameters In this field byte 4 and 5 give the unit identifier 0D36 in our case MI3 Rev F 04 2013 85 Profibus Byte Description 6 szeotthedagness 10 Ox0A 11 0x0B 12 22 0x0C 16 last MI3 command which created an error as answer ASCII code a head_1 error code L A 86 Table 12 Diagnose Data Bit Description aa 1 Box ambient temperature out ofrange Table 13 Error Bits of Box Diagnose Bit Description Oo Object temperature out of range Ambient internal temperature out of range 1 Parameter error Parameteren o 6 Head registered but not connected gt cable break Table 14 Error Bits of Head Diagnose Info amp Setup Diagnostics Capabilities Inputs amp Outputs Decoded diagnosis information Status bits Ext_diag_Bit Watchdog on Master_Add
55. ea on the right side of the page provides supporting documents which are stored on the box itself 16 3 1 Data Logging With the data logging function on the MI3 communication box you can record the temperature values over time directly in the internal memory of the box MI3 Rev F 04 2013 95 Ethernet Pressing on the lt Start gt button triggers the data storage in accordance to the defined time interval given in seconds The internal memory of the box is 64 MB in size allowing a permanent data storage over 24 days at a saving interval of 1 s independent from the number of connected heads Pressing on the lt Start gt button again will initiate a new recording session by overwriting the previously stored data Clicking on the lt Get data gt button opens a dialog box to download the previously stored data as dat file The data logging file comes in a standard ASCII text format accessible e g by means of the Windows Notepad l mi3_temperature_log dat Notepad File Edit Format View Mittwoch 2 April 2013 14 13 58 Interval s 1 1Tint 0079 0079 0079 0079 0079 0079 0079 B B i Bo i i in 1 Col1 4 Figure 81 Example for a logging file with recorded data for the measured object temperature and the internal temperature for sensing head 1 The data logging function is password protectable to ensure data consistency while having multiple clients connected to the MI3 http server i A
56. ead and head address is randomly 5 5 3 Multiple Heads User Controlled Address Assignment 1 ot e oe ae MI3 Disconnect power to the box Connect the wires for the first head to the box terminal Power the box The box now assigns address 1 to the first head Follow the instructions 1 to 4 to add the next head With each new head detected the box increases the head address by 1 The head address may be changed later by the user under the dedicated head page See section 8 2 lt Head gt Page page 47 Rev F 04 2013 33 Installation 5 6 USB The USB interface comes with each box USB connector Mini B Connect a single unit to a USB computer port by using an appropriate USB cable USB connector type Mini B The computer s USB port Figure 21 USB Connection via the Comm Box metal The computer s USB port SS gt A LA lt s Figure 22 USB Connection via the Comm Box DIN Rail 34 Rev F 04 2013 MI3 Consider the following sequence for the installation 1 2 2 MI3 Disconnect reconnect the USB interface cable to the computer Ignore the Windows Wizard lt Found New Hardware gt Installation Navigate manually to the dedicated USB driver lt RaytekMIcomport inf gt on the support media and execute it It is strongly recommended to check the correct driver installation under the Windows Operating System lt Start gt lt Settings gt lt Control Panel gt lt System gt
57. ead gt Page page 47 qu pp Figure 58 Protective Window 10 2 7 Close Focus Lens The close focus lens is designed to get very small measurement spots down to 0 5 mm 0 02 in The lens should be used for LT models only The close focus lens is made from Silicon with a focal distance of 10 mm 0 39 in and a transmission factor of 0 75 0 01 for 8 to 14 um It has an outer diameter of 17 mm 0 67 in The close focus lens can be directly screwed onto the sensing head It withstands ambient temperatures up to 180 C 356 F For correct temperature readings the transmission of the close focus lens must be set via the control panel in the communication box See section 8 2 lt Head gt Page page 47 MI3 Rev F 04 2013 67 Accessories 0 0 2 0 4 0 6 0 78 0 98 1 18 in 24 0 5 10 15 20 25 30 mm Figure 60 Spot Size Charts for Close Focus Lens 10 3 Accessories 1M 2M Heads e Fixed Mounting Bracket XXXMI3100FB e Adjustable Mounting Bracket XXXMI3100ADJB e Air Purge Collar XXXMI3100AP e Right Angle Mirror XXXMI3100RAM e Protective Window XXXMI3100PW 68 Rev F 04 2013 MI3 MI3 Accessories Adjustable Mounting Bracket Air Purge Collar Fixed Mounting Bracket Protective Window Right Angle Mirror Figure 61 Overview of available accessories Rev F 04 2013 69 Accessories 10 3 1 Fixed Mounting Bracket Full E 519 76 LES 5 196 mm
58. eature is useful when the target emissivity is below 1 0 and the background temperature is significantly hotter than the target temperature For instance the higher temperature of a furnace wall could lead to hotter temperatures being measured especially for low emissivity targets Ambient background temperature compensation allows for the impact of reflected radiation in accordance with the reflective behavior of the target Due to the surface structure of the target some amount of ambient radiation will be reflected and therefore added to the thermal radiation that is collected by the sensor The ambient background temperature compensation adjusts the final result by subtracting the amount of ambient radiation measured from the sum of thermal radiation the sensor is exposed to of low emissivity targets measured in hot environments or when heat sources are near i The ambient background temperature compensation should always be activated in case the target Three possibilities for ambient background temperature compensation are available e The internal sensing head temperature is utilized for compensation assuming that the ambient background temperature is more or less represented by the internal sensing head temperature This is the default setting e If the background ambient temperature is known and constant the user may give the known ambient temperature as a constant temperature value e Ambient background temperature compensation from
59. efines the trigger mode for the selected head lt trig gt to reset the peak or valley hold function lt hold gt activates the hold function See section 7 4 Trigger Hold page 43 defines the alarm mode for the selected head lt Tobj gt object temperature as alarm source lt Tamb gt head ambient temperature as alarm source defines a temperature threshold for an alarm low end of temperature measurement range read only high end of temperature measurement range read only sets the selected head back to factory default The factory default values are to be found in section 18 9 Command Set page 108 provides the head model e g MISLT provides the serial number for the selected head and allows to reassign a new head address MI3 Rev F 04 2013 Operation 8 3 lt Box Setup gt Page lt Relay Mode gt defines the switching behavior for the box internal alarm relay lt normally open gt open contact in non alarm status lt normally closed gt closed contact in non alarm status lt permanently OFF gt permanently open contacts lt permanently ON gt permanently closed contacts lt OUT1 Mode gt defines the mode for the analog output lt TCJ gt lt TCKe gt lt TCR gt lt T CS gt lt 0 5V gt lt 0 10V gt lt disable gt output goes to high resistance lt OUT1 Source gt assigns the selected head to the analog output lt 1 gt lt 2 gt lt Headmax gt lt OUT1 Value gt defines the basis f
60. emp of output 1 in 0 1 C F Be 14 15 7 Top temp of output 1 in 0 1 C F PAU 16 17 ee Bottom temp of output 2 in 0 1 C PF ee 18 19 11 Top temp of output 2 in 0 1 C PF Pe 20 13 Source head for output 21 14 Type of source for output 1 73 internal temp 73 or 84 84 T object temp 22 15 Analog output mode 1 9 TCJ 6 TCK 7 TCR 8 TCS 9 0 5V 10 0 10V 99 tristate disabled Source head for output 2 head number 1 8 24 17 Type of source for output 2 73 internal temp 73 or 84 84 T object temp 20 18 Analog output mode 2 0 0 20mA 4 4 20mA 2 89 reses o was _ifesened G 44 45 Emissivity Head_1 1000 0 9 gt 900 100 1100 46 47 39 TransmissivityHead_1 1000 1 0 gt 1000 100 1000 48 49 44 AveragingtimeHead_1 0 1s 1s gt 10 0 9990 al Peak hold time Head_1 0 1s 1s gt 10 0 9990 52 53 45 ValleyholdtimeHead 0 1s 1s gt 10 0 9990 54 55 47 Ambient temp Head_1 in C F dev range min max 96 97 49 Setpoint relay Head_1 in C F dev range min max 58 51 Relay alarm output control Head_1 0 1 or2 target temp internal temp 13 Rev F 04 2013 8 O1 1 2 lt Profibus Address Description Format Range without offset 52 Laser Head_1 0 off 1 0n 0 or 1 2 flashing 0 63 INE reserved for future consideration rada IEA E S SS IA CN IO CN IO CN IN O 14 2 2 Input Data The input da
61. es for the emissivity setting and two for the alarm output setting ES Selection of the emissivity setting ES 1 Emissivity set by a constant number according to the E command 104 Rev F 04 2013 MI3 ASCII Programming ES E Emissivity set by a voltage on FTC1 analog input ES D Emissivity set by the entries in a table selected by digital inputs FT C1 FTC3 CE asks for the emissivity value that is actually used for temperature calculation There are eight entries possible for emissivity setting and a related set point threshold To be able to write or read these values use the following commands EP 2 set pointer for table entry e g to line 2 EV 0 600 set the emissivity value for line 2 to 0 600 SV 220 0 set the set point threshold for line 2 to 220 0 Signalverarbeiturng Digitale Auswahl _ Emissivity Set Point D 0 800 0 970 6 1 000 0 950 Figure 83 Table for Emissivity and Set Points To activate these emissivity settings you need to have the 3 external inputs FTC connected According to the digital combination on the FTC wires one of the table entries will be activated see section 7 2 Emissivity digital page 41 18 4 4 Post Processing The following parameters can be set to determine the post processing mode See section 8 5 Post Processing page 50 P 5 0 peak hold hold time 5 s F 12 5 valley hold hold time 12 5 s G 10 0 averag
62. etwork in Linear Topology daisy chain 36 Rev F 04 2013 MI3 Outputs 6 Outputs For the outputs the following groupings setups are possible Output Setup 1 Setup 2 Setup 3 Setup 4 Setup 5 OUT 1 head temperature head temperature object temperature object temperature V V 7 OUT2 object temperature object temperature object temperature object temperature head temperature mA V mA V V TC object temperature 6 1 Analog Output OUTI Comm Box metal Source object temperature head ambient temperature Signal 0 to 5 10 V Terminal OUT1 GND This output can be configured for the object or the head ambient temperature E g the output range for the head ambient temperature is 0 to 5 VDC corresponding to 0 to 500 C 32 to 932 F The minimum load impedance for the voltage output must be 10 kQ The output is short circuit resistant i The outputs lt OUT1 gt and lt TC gt are not available at the same time 6 2 Analog Output OUT2 Comm Box metal Source object temperature head ambient temperature Signal 0 4 to 20 mA or 0 to 5 10 V Terminal OUT2 GND The signal output can be configured as either current or voltage output The minimum load impedance for the voltage output must be 10 kQ The maximum current loop impedance for the mA output is 500 Q The output is short circuit resistant MI3 Rev F 04 2013 37 Outputs 6 3 Analog Outputs OUT1 OUT4 Comm Box DIN 6TE analog 4
63. g the RS485 Interface of the Box left and USB RS485 Adapter right 10 2 Accessories LT G5 Heads e Adjustable Mounting Bracket XXXMIACAB e Fixed Mounting Bracket XXXMIACEFB e Sensing head mounting nut XXXMIACMN e Air Purge Jacket XXXMIACAJ e Air Cooling System with 0 8 m 2 6 ft air hose XXXMIACCJ or with 2 8 m 9 2 ft air hose XXXMIACCJ1 e Right Angle Mirror XXXMIACRAJ XXXMIACRAJ1 e Protective Windows e Close Focus Lens XXXMI3ACCEL 58 Rev F 04 2013 MI3 Accessories Adjustable Bracket Communication Box y as Fixed Bracket Figure 46 Standard Accessories for LT G5 Heads MI3 Rev F 04 2013 59 Accessories 10 2 1 Adjustable Mounting Bracket 33 1 3 22 0 87 0 87 14 0 55 22 0 87 3 4 0 13 Figure 47 Adjustable Mounting Bracket XXXMIACAB MI3 60 Rev F 04 2013 Accessories 10 2 2 Fixed Mounting Bracket 31 1 22 _ A A 22 0 87 Figure 48 Fixed Mounting Bracket XXXMIACFB 10 2 3 Air Purge Jacket For LTH sensing heads the Air Purge Jacket is only available pre mounted from the factory XXXMIACAJI The air purge jacket is used to keep dust moisture airborne particles and vapors away from the sensing head Clean oil free air is recommended The air purge jacket withstands ambient temperatures up to 180 C 356 F and has limited use for
64. gical high level toward logical low level will transfer the current temperature toward the output This temperature will be written to the output until a new transition from high to low occurs at the input FTC3 MI3 Rev F 04 2013 43 Inputs object temperature output temperature Temp Time Figure 30 FTC3 for Holding the Output Temperature 7 5 Laser Switching Function Laser switching on off Cm Signal digital low high Terminal FTC3 GND The FTC3 input can also be used as an external trigger to switch the laser only available for selected sensing head models A transition at the input from logical high level toward logical low level will switch the laser All sensing heads are effected by the FTC3 input at the same time Figure 31 Wiring of FTC3 as Laser Switching 44 Rev F 04 2013 MI3 Operation 8 Operation Once you have the sensor positioned and connected properly the system is ready for continuous operation The control panel is accessible on the outside of the box Push buttons provide positive tactile feedback to the user User interface includes a backlit LCD displaying sensor set up parameters and temperature outputs Alternatively the operation of the sensor can be done by means of the software that came with your sensor 8 1 Control Panel The sensor system is equipped with a control panel integrated in the box lid which has setting controlling buttons and an LCD display Alarm
65. his may scratch the surface If silicones used in hand creams get on the window gently wipe the surface with Hexane Allow to air dry MI3 Rev F 04 2013 75 Maintenance AN Do not use any ammonia or any cleaners containing ammonia to clean the lens This may result in permanent damage to the lens surface 11 4 Sensing Head Exchange To exchange a sensing head the following procedure is required I oS pE EA AS 76 Disconnect power to the box Disconnect all head wires from the box terminal Power the box The alarm indicator of the box starts to blink indicating a lost sensing head Press the 4 button to navigate to the head page indicating a lost sensing head Decide whether you want to select a lt Remove Yes gt to remove the head permanently from the box by loosing all head parameters head address de allocated for other heads alarm condition is reset the next head connected later will be detected as a new head and automatically assigned to a free head address or b lt Remove No gt to keep the head assigned to the box by saving all head parameters for a future use without the need to parameterize that head again head address reserved for that individual head alarm condition is kept the same head connected later will be detected as a known head by keeping the previous address Rev F 04 2013 MI3 DataTemp Multidrop Software 12 DataTemp Multidrop Software 12 1 Software Features D
66. imum peak and writes this value to the output until a new local maximum is found Before the algorithm restarts its search for a local maximum the object temperature has to drop below a predefined threshold If the object temperature rises above the held value which has been written to the output so far the output signal follows the object temperature again If the algorithm detects a local maximum while the object temperature is currently below the predefined threshold the output signal jumps to the new maximum temperature of this local maximum Once the actual temperature has passed a maximum above a certain magnitude a new local maximum is found This magnitude is called hysteresis 52 Rev F 04 2013 MI3 Operation Output temperature Temp object temperature hysteresis ay threshold Time Figure 38 Advanced Peak Hold The advanced peak hold function is only adjustable by means of the DataTemp Multidrop Software 8 5 5 Advanced Valley Hold This function works similar to the advanced peak hold function except that it will search the signal for a local minimum 8 5 6 Advanced Peak Hold with Averaging The output signal delivered by the advanced peak hold functions tends to jump up and down This is due to the fact that only maximum points of the otherwise homogenous trace will be shown The user may combine the functionality of the peak hold function with the averaging function by choosing an average time thus smoothing
67. inches Figure 62 Dimensions of Fixed Mounting Bracket XXXMI3100FB 70 Rev F 04 2013 MI3 Accessories 10 3 2 Adjustable Mounting Bracket 2119 76 Full A 39 5 gt Figure 63 Dimensions of Adjustable Mounting Bracket XXXMI3100ADJB 10 3 3 Air Purge Collar The Air Purge Collar is used to keep dust moisture airborne particles and vapors away from the lens It can be mounted before or after the bracket It has the push in fitting A 4 mm 0 16 in outside diameter plastic tubing is recommended to connect the fitting Air flows into the fitting and out the front aperture The pressure of air should be 0 6 to 1 bar 8 7 to 15 PSI Clean oil free air is recommended Figure 64 Dimensions of Air Purge Collar XXXMI3100AP MI3 Rev F 04 2013 71 Accessories 10 3 4 Right Angle Mirror The Right Angle Mirror is used to turn the field of view by 90 against the sensor axis It is recommended when space limitations or excessive radiation do not allow for direct alignment of the sensor to the target The mirror must be installed after the bracket and after the Air Purge Collar and screwed in fully In dusty or contaminated environments air purging is required to keep the mirror surface clean Figure 65 Dimension of Right Angle Mirror XXXMI3100RAM When using the Right Angle Mirror adjust the emissivity or transmissivity settings downward by 5 For example for an object with an emissivity of 0 65 you
68. ing average time 90 10 s XY 3 0 advanced peak hold hysteresis 3 K XY 2 0 advanced valley hold hysteresis 2 K Advanced Peak Valley Hold with Averaging C 250 0 threshold 250 C AA 15 0 averaging time 90 15 s MI3 Rev F 04 2013 105 ASCII Programming 18 5 Dynamic Data All temperature related information is calculated multiple times per second To request the dynamic data the following commands are available T target temperature I internal temperature of the sensing head 2XJ internal temperature of the electronics housing 2Q energy value of the infrared temperature XT trigger set point active inactive for the FTC3 input To check for resets e g power shut down use the command XI Notice after a reset the unit is new initialized XI asks for the reset status XIO no reset occurred XI1 a reset occurred new initialization of the unit XI 0 sets the reset status back to 0 18 6 Device Control 18 6 1 Output for the Target Temperature The signal output can be set to 4 20 mA 0 20 mA or V If current output is activated the output can provide a predefined current XO20 4 mode to 4 20 mA for output 2 020 13 57 output of a constant current at 13 57 mA at output 2 O20 60 switches back to the temperature controlled output 18 6 2 Analog Output Scaling According to the temperature range of the model it is possible to set a maximum voltage current value according to a temperature value e g the
69. ion MI310LTS Size bits gt Y o D D gt dp mM Q lt n gt 005 bit0 Temperature Unit 0 deg C 1 deg F bit1 Object temperature out of range bit2 Ambient temperature out of range bit3 Parameter error bit4 Register write error bit Self test error bit7 Background temp compensation 0 off 1 on lt n gt 010 lt n gt 020 lt n gt 030 lt n gt 040 lt n gt 050 lt n gt 060 lt n gt 070 lt n gt 080 lt n gt 090 lt n gt 100 Rh O gt N e g 6 i 3 32 nputregister to 32 nputregister to HN HI HV HA HS XB XH 32 input register float Target temperature number within range lt n gt 060 lt n gt 070 T 32 input register float internal sensor temp holding float Ambient background A register temp compensation holding loat Advanced hold with 0 999 9 s register average 0 sensor temp 32 2 lt n gt 110 13 lt n gt 120 16 holding short Control ambient register background temp 1 via number compensation 2 via ext input 16 holding short Laser control only with 0 OFF 1 ON register laser device 16 holding short Relay alarm output lt n gt 130 lt n gt 140 control loat Advanced hold threshold number within range lt n gt 060 lt n gt 070 C C register lt n gt 150 holding register input register float Currently calculated 0 1 emissivity input register float Current
70. ld not be used for medical diagnosis Replacement Parts and Accessories Use only original parts and accessories approved by the manufacturer The use of other products can compromise the operational safety and functionality of the instrument Instrument Disposal Disposal of old instruments should be handled according to professional and environmental aa regulations as electronic waste Operating Instructions The following symbols are used to highlight essential safety information in the operation instructions Helpful information regarding the optimal use of the instrument Warnings concerning operation to avoid instrument damage and personal injury The instrument can be equipped with a Class 2 laser Class 2 lasers shine only within the visible spectrum at an intensity of 1mW Looking directly into the laser beam can produce a slight temporary blinding effect but does not result in physical injury or damage to the eyes even when the gt gt El beam is magnified by optical aids At any rate closing the eye lids is encouraged when eye contact is made with the laser beam Pay attention to possible reflections of the laser beam The laser functions only to locate and mark surface measurement targets Do not aim the laser at people or animals Pay particular attention to the following safety instructions Use in 110 230 V electrical systems can result in electrical hazards and personal injury if not properly protected A
71. ll instrument parts supplied by electricity must be covered to prevent physical contact and other hazards at all times 10 Rev F 04 2013 MI3 Description 2 Description The MI3 sensor series is the next generation of the well established MI class sensor platform It will be capable of covering a broad range of applications The MI3 sensor series introduces various network communications an externally accessible user interface improved temperature measurement specifications and capabilities at an economic price The MI3 series comes with the following highlights e Rugged sensing heads survive ambient temperatures to 120 C 248 F including optimized performance due to ambient temperature calibration across full ambient temperature range e Special high ambient temperature heads available withstanding up to 180 C 356 F without any cooling LTH models e Multi head system architecture to allow multiple sensing heads to be multiplexed from a single communication box e Stand alone OEM sensing head operation e Precision high resolution optics up to 100 1 e Upto 10 ms response time e Alarm status indicator e Standard USB 2 0 digital interface e Analog outputs with galvanic isolation e Alarm relay output e Serial RS485 communication interface with the protocols ASCII Profibus Modbus e Ethernet communication interface with the protocols ASCII http Profinet IO e Automatic sensing head identification e Includes Dat
72. maximum current 20 mA shall represent 200 C 392 F The same setting is possible for the minimum value H20 500 the maximum current voltage value for output 2 is set to 500 C L20 0 the minimum current voltage value for output 2 is set to 0 C Remark You cannot set this value for thermocouple output The minimum span between the maximum minimum settings is 20 K 18 6 3 Alarm Output The alarm output see section 6 4 Alarm Output RELAY page 38 can be driven by two triggers e object temperature e head ambient temperature KH off no alarm control KH 1 object temperature drives alarm control KH 2 head ambient temperature drives alarm control KB 0 relay contacts permanently open KB 1 relay contacts permanently closed KB 2 relay contacts normally open KB 3 relay contacts normally closed 106 Rev F 04 2013 MI3 ASCII Programming XS 125 3 threshold setting to 125 3 C if U C is set 18 6 4 Factory default values It is possible to reset the unit to the default values XF factory default values will be set 18 6 5 Lock Mode The access to the unit is possible via serial interface software and via the direct user input mode buttons LCD display It is possible to lock the 2 button This allows the change of parameters to the unit only via software J L direct user access to button denied J U unlocking the Y button 18 6 6 Mode Setting for the Digital Input FTC3 The digital input FTC3 see section 7 4 Trigger Hold
73. mming 17 2 1 I O Device Configuration The fieldbus communicator takes over the task of the I O device in Profinet IO Selecting the Pyrometer modules for the process data exchange and defining the time grid is done when configuring the I O controller The configuration and parameter setting of the fieldbus communicator and Pyrometer modules is based on the device s GSD file 17 2 1 1 GSD File Under Profinet IO the features of the devices are described by the manufacturer in form of a GSD file and made available to the user The GSD file for the MI3 IO device GSDML V2 25 Raytek MI3 20130221 17 2 1 2 Configuration The I O device is configured in accordance with the physical arrangement of the node slot oriented Module slot 0 contains the fieldbus communicator in its function as station substitute It does not deliver process data itself except its own internal temperature and trigger input state but provides the parameters required to perform overall setting of the I O device Slot 1 to max 8 reflect the physical arrangement of the pyrometer modules that deliver a part of the process and diagnostics data All specific information on the relevant module is contained in the associated GSD file 17 2 2 Parameter Setting Setting the parameters of both the fieldbus communicator and the connected pyrometer module is performed via record data sets All modules allow the diagnostics message to be locked or released Once all setti
74. nal 102 Bit Description Object temperature out of range Ambient internal temperature out of range Parameter error head registered but not connected gt cable break Rev F 04 2013 MI3 ASCII Programming 18 ASCII Programming This section explains the system s ASCII communication protocols A protocol is the set of commands that defines all possible communications with the sensor The commands are described along with their associated ASCII command characters and related message format information Use them when writing custom programs for your applications or when communicating with your sensor using a terminal program 18 1 Transfer Modes There are two possible transfer modes for the digital interface Poll Mode By user interface control a parameter will be set or requested Burst Mode A pre defined data string burst string will be transferred as fast as possible as long as the burst mode is activated The data will be transferred in one direction only from the unit to the user interface P P starts the Poll mode allows to request or to set parameters V B starts the Burst mode data will be transferred as fast as possible necessary data string definition Burst string UTIE 5 sets the parameter combination burst string U unit C or F T temperature value I internal temperature of the sensing head E emissivity X gives th
75. nd responses are also referred to as messages Specification Version Modbus serial line RS485 Mode RTU Remote Terminal Unit Physical layer RS485 2 wire electrically isolated Baud rate 9 6 19 2 38 4 57 6 115 2 kBit s Connection terminal Address range 1 to 247 for the Modbus device Parity even The detailed Modbus specification can be found under http www modbus org 15 1 Wiring 15 1 1 Comm Box metal YA CA CACA A YA Z A D A G L A J X1 Pin Terminal Modbus DO negative signal D1 positive signal so GND output used for external termination 5 V output used for external termination LED yellow ON while communicating Figure 76 Modbus Terminal for Comm Box metal The termination for Modbus networks must be realized externally by the user 88 Rev F 04 2013 MI3 Modbus 15 1 2 Comm Box DIN Fe ee ee ee ee ee ee ee el 3 1234567899 off e Termination IQPQOOOQOOO T e ET i Indicators Pin Modbus a a Figure 77 Terminal for Comm Box DIN 6TE MI3 Rev F 04 2013 89 Modbus 15 2 Programming 15 2 1 Supported Functions Function code Modbus Function Description Read Coils Read n bits Read Discrete Inputs Read n bits 106 Wt ingle Register tea Teo 15 2 2 Parameter Data 32 bit registers are transmitted in full Big Endian mode meaning most significant word is transmitted first least significant word is transmitted last The byte order within a wo
76. ngs have been made the I O device signals that it is ready to send cyclic productive data 98 Rev F 04 2013 MI3 Profinet 17 2 2 1 Station Parameters The parameters of the station substitute are used to set the overall settings of the Profinet IO node Some of the setting are used in the modules as default settings and can be optionally overwritten within the module configuration Parameter Description Setting Temperature unit Set the temperature unit Fahrenheit transferred to the Profinet I O controller Source head for output 1 T T T T Source type for output 1 Set type of source for output 1 Internal temperature Object temperature Analog output 1 mode Set output mode Source type for output 2 Set type of source for output 2 Internal temperature Object temperature Analog output 2 mode Set output mode C C C C 8 8 tristate disabled MI3 Rev F 04 2013 99 Profinet 17 2 2 2 Pyrometer Module Parameters Certain characteristics of same pyrometer modules can be parameterized during the configuration Parameter Pyrometer number Emissivity Transmissivity Averaging time Peak hold time Valley hold time Ambient compensation Ambient temperature Setpoint relay Relay alarm output control Laser control Message diagnostics alarm Message process alarm Message return of module 100 Description Setting off target temp internal temp off on flashing The diagnostics informa
77. or the output value lt Tobject gt object temperature to be output lt Tambient gt head ambient temperature to be output lt OUT1 low temp gt defines the temperature for the low end of the analog output range scaling lt OUT1 high temp gt defines the temperature for the high end of the analog output range scaling lt OUT2 Mode gt defines the mode for the analog output 2 lt 0 20mA gt lt 4 20mA gt lt 0 5V gt lt 0 10V gt lt disable gt output goes to high resistance lt OUT2 Source gt assigns the selected head to the analog output lt 1 gt lt 2 gt lt Headmax gt lt OUT2 Value gt defines the basis for the output value lt Tobject gt object temperature to be output lt Tambient gt head ambient temperature to be output lt OUT2 low temp gt defines the temperature for the low end of the analog output range scaling lt OUT2 high temp gt defines the temperature for the high end of the analog output range scaling lt Interface gt RS485 Profibus Modbus lt address gt unique address of the box in the network lt baudrate gt baud rate for the box Each device in the network must be set to the same baud rate The baud rate for Profibus is automatically negotiated between master and slave Profinet Ethernet lt DHCP gt on off network protocol to configure a device in a network DHCP is switched off for Profinet communications lt IP address gt a unique address of the box in the netwo
78. ot available for LTH sensing heads gt 67 Figure 56 Right Angle Mirror XXXMIACRAJ left Right Angle Mirror with Air Purge XXXMIACRAJ1 right The right angle mirror withstands ambient temperatures up to 180 C 356 F For mounting the right angle mirror XXXMIACRAJ see section 10 2 3 Air Purge Jacket page 61 However instead of using the front part of the air purge jacket mount the right angle mirror _ 84 3 46 E 69 5 2 74 E 54 5 2 15 22 6 0 89 _110 0 39 mm in J yo 4 Figure 57 Right Angle Mirror with Air Purge 66 Rev F 04 2013 MI3 Accessories The IR beam length within the right angle mirror is 18 mm 0 7 in which needs to be considered for spot size calculations 10 2 6 Protective Windows Protective windows can be used to protect the sensing head from dust and other contamination The protective window can be directly screwed onto the sensing head It has an outer diameter of 17 mm 0 67 in The following table provides an overview of the available windows Order number Material Transmission T ambient Zinc Sulfide 0 75 0 05 e r NIE Stainless steel for LT G5 models Ce Polymer 0 7 0 02 y E ARAU Oe stainless steel LT models only Lada Table 5 Available Protective Windows For correct temperature readings the transmission of the protective window must be set via the control panel in the communication box See section 8 2 lt H
79. rd is Big Endian as well While some registers hold integer values there are some holding floating points The interchange formats of the IEEE 754 standard for Floating Point Arithmetic is used for representing floating points The following table lists all parameters its content their formats and usage 15 2 2 1 Box Parameter lt k gt number of output channel depending on the number of physically installed output channels of the Comm Box Items registers discretes or coils are addressed starting at zero Therefore items numbered 1 10000 are addressed as 0 9999 Start Size Modbus Access Data Content VETTER address bits Type 1 16 input register short error code for last 0 no error request 1 value out of range illegal head number illegal analog output number illegal output mode 5 output disabled error 99 unspecified error ex OOO E 20 fea fnputregster sting Untcentcafon eg MECOMM u 30 fes nputreiter sting Box Firmware Revision eg 210 k 50 22 nputreister sting Boxspecal leg RAMAS hs eR holding register char Temperature Unit 0x43 C 0x46 F 90 16 holding register short Switch panel lock 0 unlocked 1 locked 00 discretes input bit field Get connected heads bit 0 head 1 bit 7 head 8 bit high head connected bit low head disconnected 90 Rev F 04 2013 MI3 XV XU XR DS XJ 60 32 holding register integer Baud rate RS485 9600 19200 38400 57600 115200
80. rials such as plastic film and glass This measurement error can be reduced to a minimum if particular care is taken during installation and the sensing head is shielded from these reflecting radiation sources 4 3 Ambient Temperature The sensing head is suited for the ambient temperatures up to 120 C 248 F for the standard heads and up to 180 C 356 F for the LTH heads The sensing head can operate in ambient temperatures up to 200 C 392 F with the air cooling accessory 4 4 Atmospheric Quality If the lens gets dirty infrared energy will be blocked and the instrument will not measure accurately It is good practice to always keep the lens clean The Air Purge Jacket helps keep contaminants from building up on the lens If you use air purging make sure a filtered air supply with clean dry air at the correct air pressure is installed before proceeding with the sensor installation 4 5 Electrical Interference To minimize electrical or electromagnetic interference or noise please be aware of the following e Mount the unit as far away as possible from potential sources of electrical interference such as motorized equipment which can produce large step load changes e Use shielded wire for all input and output connections e To avoid current equalizations make sure that a sufficient potential equalization is realized between the sensing head and metal housing of the communication box MI3 Rev F 04 2013 21 Basics
81. rk only changeable at DHCP off lt SubNetMask gt the subnet mask defines the interpretation of the IP address only changeable at DHCP off lt Gateway gt a gateway connects two subnets at different subnet addresses only changeable at DHCP off MI3 Rev F 04 2013 49 Operation lt Port gt communication port only changeable at DHCP off read onlyfor Profinet communications lt MAC gt MAC address read only lt Factory default gt sets the box back to factory default The factory default values are to be found in section 18 9 Command Set page 108 lt Temperature Unit gt the temperature unit can be set to C or F Note that this setting influences the digital interfaces like RS485 for both object and head ambient temperature lt Key Enter Lock gt the box has a user interface lockout feature that keeps the box from being accidentally changed from the control panel locked by default under DataTemp Multidrop Software and Profinet communications This lockout mode denies access to the S button to avoid the saving of adjustable parameters The unit can be unlocked by pressing the button and the S button simultaneously for 3 seconds or alternatively by pressing the Don for 5 seconds lt Display Backlight gt defines the switching behavior for the display lt ON gt switches the backlight on lt OFF gt switches the backlight off lt 60sec OFF gt switches the backlight off after the giving time
82. s been subject to misuse neglect accident or abnormal conditions of operation In the event of failure of a product covered by this warranty the manufacturer will repair the instrument when it is returned by the purchaser freight prepaid to an authorized Service Facility within the applicable warranty period provided manufacturer s examination discloses to its satisfaction that the product was defective The manufacturer may at its option replace the product in lieu of repair With regard to any covered product returned within the applicable warranty period repairs or replacement will be made without charge and with return freight paid by the manufacturer unless the failure was caused by misuse neglect accident or abnormal conditions of operation or storage in which case repairs will be billed at a reasonable cost In such a case an estimate will be submitted before work is started if requested THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE THE MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER IN CONTRACT TORT OR OTHERWISE SOFTWARE WARRANTY The manufacturer does not warrant that the software described herein will function properly in every hardware and software environment This software may not work in combination with modifie
83. s 0 100 to 1 100 Transmission All models 0 100 to 1 000 1 for a zoomed temperature span of lt 500 C 932 F 14 Rev F 04 2013 MI3 Technical Data 3 2 Optical Charts 0 5 9 11 8 15 7 in 0 5 9 11 8 15 7 in 52 0 5 9 11 8 15 7 in es a D S 10 1 D S 22 1 0 2 0 71 12 d 04 0 6 0 71 nn AAA A e a ES A AAA A ee 0 150 300 400 mm 0 150 300 400 mm SF1 D S 100 1 SF3 D S 100 1 0 3 94 7 87 11 8 15 7 19 7 in 0 39 4 78 7 90 5 118 1 157 5 in T T T T T f T T T T 0 79 0 87 1 18 1 65 0 47 0 51 E ls 20 22 30 42 l 1 l 0 100 200 300 400 500 mm 0 1000 2000 2200 3000 4000 mm Figure 1 Spot Size Charts MI3 Rev F 04 2013 15 Technical Data 3 3 Electrical Specification For an overview to the capabilities of the communication boxes see section 2 1 Overview Comm Boxes page 12 3 3 1 Comm Box all models Voltage Supply 8 to 32 VDC Power Consumption max 5 W Alarm Output 1 potential free relay output 48 V 300 mA Relay with wear free contacts solid state relay for target temperature or head ambient temperature electrically isolated from power supply USB Interface Version 2 0 Connector on the board type Mini B 3 3 2 Comm Box metal Analog Outputs Output 1 0 to 5 10 V output for head ambient temperature and object temperature electrically not isolated from power supply TC Thermocouple type J K R or S Output 2 0 to 20 mA active or 4 to 20 mA active or 0O
84. st emissivity setting until the correct temperature value is reached This is the correct emissivity for the measured material 2 For relatively low temperatures up to 260 C 500 F place a plastic sticker e g XXXRPMACED on the object to be measured This sticker should be large enough to cover the target spot Next measure the sticker s temperature using an emissivity setting of 0 95 Finally measure the temperature of an adjacent area on the object and adjust the emissivity setting until the same temperature is reached This is the correct emissivity for the measured material 3 If possible apply flat black paint to a portion of the surface of the object The emissivity of the paint is 0 95 Next measure the temperature of the painted area using an emissivity setting of 0 95 Finally measure the temperature of an adjacent area on the object and adjust the emissivity until the same temperature is reached This is the correct emissivity for the measured material 19 2 Typical Emissivity Values The following table provides a brief reference guide for determining emissivity and can be used when one of the above methods is not practical Emissivity values shown in the table are only approximate since several parameters may affect the emissivity of a material These include the following e Temperature e Angle of measurement e Geometry plane concave convex e Thickness e Surface quality polished rough oxidized sandblasted
85. ta consists of modules that have a fixed position in the data field There are two types of modules lt Box data gt and lt Data for one head gt e Module lt Box data gt consists of one byte in which bit0 gives the trigger state configuration 0x12 e Module lt Head data gt consists of two bytes object temperature and two bytes head temperature configuration 0x51 The format is 1 10 C F Address Description o Box data Trigger stete The slave expects one lt Box data gt module configured at the first position followed by lt Head data gt modules Any other configuration will cause a configuration error The input data length gets calculated from the count of configured modules So if only one head is connected and configured then only seven bytes are transferred If all heads maximal eight are connected and configured then 35 bytes are transferred If only one head is connected but eight heads are configured then also 35 bytes are transferred 84 Rev F 04 2013 MI3 14 2 3 Output Data The device does not have output data in the original meaning But the output data may be used to change the initialization of the device which was set once at start up when the bus is in data exchange mode To do so the following structure is defined Address Description 0 Type ofparameter Profibus The lt Type of parameter gt comes with the format described in section 14 2 1 Parameter Data page 83 and can b
86. th 0 95 0 95 Glass Plate 0 98 0 85 Gob 0 9 Gravel 0 95 0 95 Gypsum 0 4 0 97 0 8 0 95 Ice 0 98 Limestone 0 4 0 98 0 98 Paint non al 0 9 0 95 Paper any color 0 95 0 95 Plastic greater than 500 um 0 02 in thickness ee oe Rubber 0 9 0 95 Sand 0 9 0 9 Snow 0 9 Soil 0 9 0 98 Water 0 93 Wood Natural 0 9 0 95 0 9 0 95 Tab 18 Typical Emissivity Values for Non Metals MI3 Rev F 04 2013 117 Notes 20 Notes 118 Rev F 04 2013 MI3
87. the output signal for convenient tracing output temperature without averaging Temp object temperature Time Figure 39 Advanced Peak Hold with Averaging The advanced peak hold function with averaging is only adjustable by means of the DataTemp Multidrop Software 8 5 7 Advanced Valley Hold with Averaging This function works similar to the advanced peak hold function with averaging except it will search the signal for a local minimum MI3 Rev F 04 2013 53 Options 9 Options Options are items that are factory installed and must be specified at time of order The following are available e Longer head cables in the lengths 3 m 9 8 ft CB3 8 m 262 ft CB8 15 m 49 ft CB15 30 m 98 ft CB30 e Network communication interfaces RS485 Profibus DP Modbus RTU Profinet IO Ethernet All available models are listed under section 2 1 Overview Comm Boxes page 12 54 Rev F 04 2013 MI3 Accessories 10 Accessories A full range of accessories for various applications and industrial environments are available Accessories include items that may be ordered at any time and added on site 10 1 Accessories all models e Multi Channel Box XXXMI3CONNBOX e USB RS485 Adapter for boxes with RS485 interface XXXUSB485 10 1 1 Multi Channel Box The Multi Channel Box can be used for all communication boxes The box includes 8 sets of field wiring terminals wired in parallel to one 5 m 16 ft
88. tion of pyrometer is not message inactive transferred to the Profinet I O controller is transferred to the Profinet I O controller The process alarm of pyrometer is not transferred to message inactive the Profinet I O controller is transferred to the Profinet I O controller The return of pyrometer is not transferred to the message inactive Profinet I O controller is transferred to the Profinet I O controller Rev F 04 2013 MI3 Profinet 17 2 3 Input Data Structure 17 2 3 1 Station Input data The input data length is 5 Byte Address without offset Length Format Value Cs 1 Byte Trigger state 0 reset 1 set 4 Byte Real Big Endian Motorola Internal temperature of the station 17 2 3 2 Pyrometer Module Input Data The input data length of pyrometer module is 8 Byte Address without offset Length Format Value 4 Byte Real Big Endian Motorola Object temperature 4 y Byte Real Big Endian Motorola Internal temperature 17 2 4 Output Data Structure The pyrometer module only provides output data The output data length of pyrometer module is 3 Byte The output data may be used to change the initialization of the device which was set once at start up when the bus is in data exchange mode To do so the following structure is defined Address without offset Length Format VENTE 0 Byte Byte Big Endian Motorola Type of parameter 2 Byte integer Big Endan Motorola The lt Type of par
89. to5V or 0Oto 10 V electrically not isolated from power supply External Inputs 3 inputs are available useable in different modes FTC1 3 Emissivity control 3 bit digital coded 0 to Vss FTC1 Emissivity control analog 0 to 5 Voc FTC2 Ambient temperature compensation analog 0 to 5 Voc FTC3 for trigger hold laser functions 0 to Vss 3 3 3 Comm Box DIN 6TE analog Analog Outputs Output 1 to 4 0 to 20 mA active or 4 to 20 mA active or 0 to 5 V or 0 to 10 V Each output is galvanically isolated from the other and from power supply 16 Rev F 04 2013 MI3 Technical Data 3 4 Environmental Specification 3 4 1 Sensing Head Ambient Temperature LT G5 LTH 1M 2M Laser 1M 2M Storage Temperature LTH all other models Rating Relative Humidity EMC Vibration Shock Weight LT G5 1M 2M Material Head Head Cable LTH all other models 10 to 120 C 14 to 248 F 10 to 180 C 14 to 356 F 0 to 120 C 32 to 248 F automatic switch off at 65 C 149 F 20 to 180 C 4 to 356 F 20 to 120 C 4 to 248 F IP65 NEMA 4 IEC 60529 10 to 95 non condensing EN 61326 1 2006 11 to 200 Hz 3 g above 25 Hz operating 3 axes IEC 60068 2 6 50 g 11 ms operating 3 axes IEC 60068 2 27 50 g 1 8 oz 233 g 8 2 oz Stainless steel Teflon PUR Polyurethane Halogen free Silicone free Teflon develops poisonous gasses when it comes into contact with flames 3 4 2
90. tom range nXB answer nXB 10 0 H limit float Restore Box Factory except address defaults 1 setting average ia valley advanced hold cancels all other hold modes lt I3 Rev F 04 2013 11 jul ASCII Programmin Description Char Format P B S N Legal Values Factory default Head CMA HR rana he pa VW pane fi Device High range limit XH nXH read af float sensor initialization 1 after reset UNO XI 0 Boxtenpeaure pa poa eon Freem fo analog Output 1 mode X020 X020 v X030 XO30 v analog Output 4 mode X040 XO40 v LLE Sn E x px mu pa y 5 TGJ X010 9 for 6 TCK communication 7 TCR box metal 8 TCS X010 99 for 9 0 5 V communication 10 0 10 V box 6TE analog 99 disable tristate 0 0 20 mA XO20 4 for 4 4 20 mA communication 9 0 5 V box metal 10 0 10 V X010 99 for 99 disable tristate communication box 6TE analog 0 0 20 mA XO30 99 for communication box 6TE analog analog Output 3 mode E disable tristate 0 0 20 mA X040 99 for 4 4 20 mA communication 9 0 5 V box 6TE analog 10 0 10 V 99 disable tristate Box Firmware Revision Firmware Revision XR Setpoint relay function Unit identification 0 inactive 1 active g IXUMISCOMM set at production g XV98123 set at ee Advanced hold nnnn hysterese 18 9 1 ASCII Commands for Ethernet and Profinet IP address IP 192 XXX XXX XXX 192 168 42 1
91. ular communication box provided in a DIN rail mountable plastic enclosure for supporting 4 sensing heads simultaneously The DIN rail communication box provides an externally accessibly user interface The terminal strip connectors are used to simplify the field wiring DIN Rail Comm Box RAYMI3MCOMM Power supply 1 alarm output D il 1 trigger input z e AL gt lt Max 4 Sensing Heads _ RAYMI3 Fieldbus D is lil 4x analog SS _ z ae Wil Figure 12 Multiple Head Configuration with DIN Rail Comm Box 5 3 Wiring Head Cable The user has to install the sensor cable on the communication box It may be shortened if necessary but keep a minimal length of 20 cm 7 9 in Do not bend the sensing head cable tighter than a radius of 25 mm 1 in for the standard heads PUR cable and 15 mm 0 6 in for the high ambient temperature heads Teflon cable respectively 24 Rev F 04 2013 The total sensing head cable length for all networked sensing heads must not exceed 30 m 98 ft for MI3 and 2x30 m 2x98 ft for MI3M MI3 Installation Do not add a third party cable to extend the length of the sensing head cable 5 3 1 Comm Box metal 1 Cut about 40 mm 1 5 in of the cable sheath from the end of the sensing head cable Caution Do not cut into the shield 2 Cut the shield so about 5mm 0 2 in remains exposed from under the cable sheath Separate the shiel
92. us A negative signal B positive signal 6 GND output used for external termination 5 V output used for external termination LED yellow Blinking 0 5 Hz parameters 1 Hz configuration ON data exchange Figure 69 Profibus Terminal for Comm Box metal 80 Rev F 04 2013 MI3 Profibus A Sub D female connector or a M12 female connector can be ordered separately for Profibus The M12 connector is B coded Please note the Sub D connector is not IP rated Figure 70 Sub D Connector P2 and M12 Connector P1 Profibus Sub D Pin M12 Pin cable color cable color green O swa o EE ma S S o Figure 71 Profibus Pin Assignment for Sub D M12 Connector i The termination for Profibus networks must be realized externally by the user Slaven Slaven Termination na lt E ti Slaven 1 Slaven 1 Figure 72 Exemplary Network with External Termination MI3 Rev F 04 2013 81 Profibus 14 1 2 Comm Box DIN Fe ee ee ee ee ee ee ee i 3 DOODOOOOO 345 678 9 off Termination 290909009 200080020 Ill T p Indicators Pin Profibus E E Poe A oo o S e OSS Figure 73 Terminal for Comm Box DIN 6TE 82 Rev F 04 2013 MI3 Profibus 14 2 Programming 14 2 1 Parameter Data Byte Address Description without offset oe 7 EVE ETS a EEN e pri Status es EEN o AO DPV Statuss APIO 10 B Tempunt farc TOF 67 or 70 aoo CI G d O 12 13 Bottom t
93. valid password accepts digits only The factory presetting is 1234 96 Rev F 04 2013 MI3 Profinet 17 Profinet The Profinet fieldbus MI3 communication box called fieldbus communicator maps the object and internal temperature of all pyrometer modules on Profinet IO In the initialization phase the fieldbus communicator determines the physical structure of the node and creates a local process image with all pyrometers The diagnostics concept is based on channel specific diagnostic messages that are mapped to the respective alarms Coding is done according to IEC 61158 Profinet IO Specification Type Profibus IO Conformance class lt A Real Time class 1 RT and the Real Time class UDP Connection M12 or RJ45 electrically isolated Transfer speed 100 Mbit s full duplex also with auto negotiation Head support up to 8 pyrometer modules MI3 or MI3100 sensing heads Configurable substitute value behavior for each pyrometer module in the event of failure Power supply 12 to 24 V 500 mA max 17 1 Wiring Details for the wiring you can find under Ethernet in section 16 1 Wiring page 94 17 1 1 Status LED The status LED s are relevant for the Comm Box DIN only signalizing the following operating states a LED aa LED peccnpuiorl hie Waiting for configuration and parameters fon ooo a CY Device is in data exchange mode Figure 82 Status LED s for the Comm Box DIN MI3 Rev F 04 2013 97 Profinet 17 2 Progra
94. y of the infrared radiation heat radiation is dependent on the material For many substances this material dependent constant is known This constant is referred to as the emissivity value Infrared thermometers are optical electronic sensors These sensors are sensitive to the emitted radiation Infrared thermometers are made up of a lens a spectral filter a sensor and an electronic signal processing unit The task of the spectral filter is to select the wavelength spectrum of interest The sensor converts the infrared radiation into an electrical signal The signal processing electronics analyze the electrical signal and convert it into a temperature measurement As the intensity of the emitted infrared radiation is dependent on the material the required emissivity can be selected on the sensor The biggest advantage of the infrared thermometer is its ability to measure temperature without touching an object Consequently surface temperatures of moving or hard to reach objects can easily be measured 4 2 Emissivity of Target Object To determine the emissivity of the target object see section 19 1 Determination of Emissivity page 114 If emissivity is low measured results could be falsified by interfering infrared radiation from background objects such as heating systems flames fireclay bricks etc located close beside or behind the target object This type of problem can occur when measuring reflective surfaces and very thin mate

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