RayTek MI Miniature Infrared Sensor Скачать руководство пользователя страница 17

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Technical

Data

3.5

Dimensions

Figure

Dimensions

Sensing

Head

Standard cable length
1 m (3 ft.)
MID/MIC: Ø 5 mm (0.2 in)
MIH: Ø 3 mm (0.12 in)

2 mounting holes,

Ø 4.5 mm (0.17 in)

Содержание MI Miniature Infrared Sensor

Страница 1: ...MI Miniature Infrared Sensor Operating Instructions Rev F 04 2006 54301...

Страница 2: ...DeclarationofConformityfortheEuropeanCommunity This instrument conforms to EMC IEC EN 61326 1 Safety EN 61010 1 1993 A2 1995...

Страница 3: ...8074 Fax 1 831 458 1239 automation raytek com United Kingdom Tel 44 1908 630800 Fax 44 1908 630900 ukinfo raytek com France Tel 0800 888 244 info raytek fr Raytek China Company Beijing China Tel 86 10...

Страница 4: ...atisfaction 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 re...

Страница 5: ...AL SPECIFICATIONS 8 3 5 DIMENSIONS 9 3 6 SCOPE OF DELIVERY 10 4 BASICS 11 4 1 MEASUREMENT OF INFRARED TEMPERATURE 11 4 2 EMISSIVITY OF TARGET OBJECT 12 4 3 AMBIENT TEMPERATURE 12 4 4 ATMOSPHERIC QUALI...

Страница 6: ...er and Hold Function 28 5 5 CONNECTING TO THE PC VIA RS232 30 5 6 INSTALLING OF MULTIPLE SENSORS VIA RS485 31 6 OPERATION 34 6 1 CONTROL PANEL 34 6 2 SETTING OF MODES 35 6 3 SETTING THE OUTPUT JUMPER...

Страница 7: ...1 TROUBLESHOOTING MINOR PROBLEMS 60 9 2 FAIL SAFE OPERATION 61 9 3 SENSING HEAD EXCHANGE 63 10 SOFTWARE 65 11 PROGRAMMING GUIDE 66 11 1 TRANSFER MODES 67 11 2 GENERAL COMMAND STRUCTURE 68 11 3 DEVICE...

Страница 8: ...6 6 Mode Setting for the Digital Input FTC3 74 11 6 7 Changing the Sensing Head Calibration Data74 11 6 8 Ambient Background Temperature Compensation 74 11 7 MULTIPLE UNITS MULTIDROP MODE RS485 76 11...

Страница 9: ...e 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 fo...

Страница 10: ...t Warnings concerning operation to avoid instrument damage Warnings concerning operation to avoid personal injury Pay particular attention to the following safety instructions Use in 110 230 VAC elect...

Страница 11: ...rface The sensing head is protected by a rugged IEC 529 IP 65 NEMA 4 stainless steel housing and is connected to the electronic box with a 1 m 3 ft cable Longer cables must be ordered as an option The...

Страница 12: ...25 to 600 C 13 to 1112 F Spectral Response LT 8 to 14 m Response Time All models 150 ms 95 response Accuracy LT 1 or 1 C 2 F whichever is greater LT 2 C 4 F for target temp 20 C 68 F TC outputs 1 or 2...

Страница 13: ...0 05 K per K or 0 05 K whichever is greater at ambient 23 to 180 C 73 to 356 F MIC MIH 0 1 K per K or 0 1 per K whichever is greater at ambient 0 to 23 C 32 to 73 F MID 0 15 K per K or 0 15 per K whic...

Страница 14: ...cal Data 6 MI 3 2 Optical Specifications Optical Resolution D S MID MIC MIH 22 1 typ 21 1 guaranteed MID MIC MIH 10 1 MID MIC 2 1 At 90 energy in minimum and distance 400 mm 15 7 in Figure 1 Spot Size...

Страница 15: ...o 5 V output for head ambient temperature 0 to 500 C 32 to 932 F or output for alarm relay software enabled only in conjunction with RS232 485 mA Output recommended loop impedance see Figure 9 on page...

Страница 16: ...ng Head IP 65 NEMA 4 not for models with an optical resolution of 2 1 Rating Box IP 65 NEMA 4 Relative Humidity 10 to 95 non condensing EMC IEC 61326 1 max cable length 3 m 118 in Vibration Head IEC 6...

Страница 17: ...Technical Data MI 9 3 5 Dimensions Figure 2 Dimensions of Sensing Head Standard cable length 1 m 3 ft MID MIC 5 mm 0 2 in MIH 3 mm 0 12 in 2 mounting holes 4 5 mm 0 17 in...

Страница 18: ...chnical Data 10 MI Figure 3 Dimensions of Electronic Box 3 6 Scope of Delivery The scope of delivery includes the following Sensing head 1 m head cable Mounting nut Electronic box Operating instructio...

Страница 19: ...s 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 i...

Страница 20: ...installation and the sensing head is shielded from these reflecting radiation sources 4 3 Ambient Temperature The sensing head was developed for the following ambient temperature ranges MIH 0 to 180 C...

Страница 21: ...e unit as far away as possible from potential sources of electrical interference such as motorized equipment producing large step load changes Use shielded wire for all input and output connections Ma...

Страница 22: ...ect 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 Con...

Страница 23: ...head and electronic box It may be shortened but not lengthened Shortening the cable length by 1 m 3 ft causes a temperature error of 0 1 K m Do not bend the sensor head cable tighter than 25 mm 1 in M...

Страница 24: ...the cable Caution Do not cut into the shield 2 Cut the shield 5 so about 5 mm 0 2 in remains exposed from under the cable sheath 7 Separate the shield and spread the strands out Shorten the inside in...

Страница 25: ...ond metal washer 4 on the cable Note that the shield must make good contact to both metal washers 7 Slip the wires 6 into the electronic box far enough to connect to the power and output terminals 8 S...

Страница 26: ...Installation 18 MI 5 3 Outputs Figure 7 Signal Outputs and Power Supply Electronic Box Signal Output Head Ambient Temp or Alarm Power 0 to 5 V J or K 0 to 5 V 4 to 20 mA 0 to 20 mA 12 to 26 VDC...

Страница 27: ...The minimum load impedance for the 0 to 5 V output must be 100 k The maximum current loop impedance for the 0 4 to 20 mA output can be 500 and the power supply and loop impedance must be matched as s...

Страница 28: ...Figure 10 Wiring the Output for Head Ambient Temperature The output range for the head ambient temperature is 0 to 500 C 32 to 932 F with 10 mV C In case of an alarm the output switches between 0 V an...

Страница 29: ...use a solid state relay for the alarm output The output is short circuit resistant with 100 output impedance The alarm output is only enabled through the DataTemp MultiDrop software see the software h...

Страница 30: ...length of 7 5 m 24 6 ft Connect the wires according to the following table J Thermocouple Power Supply white red white red yellow yellow Table 1 Wiring the Thermocouple J Compensation Cable K Thermoc...

Страница 31: ...e enabled through the DataTemp MultiDrop software only see the software help for complete set up instructions FTC1 FTC2 FTC3 Emissivity analog control x Emissivity digital control x x x Ambient Backgr...

Страница 32: ...ity U in V 0 0 0 5 4 5 5 0 Emissivity 0 1 0 2 1 0 1 1 Table 4 Ratio between Analog Input Voltage and Emissivity Example The process requires the setting of emissivity for product 1 0 90 for product 2...

Страница 33: ...the voltage level on the FTC inputs one of the table entries will be activated 0 Low signal 0 V 1 High signal 5 V A non wired input is considered as High Table entry Emissivity Examples FTC3 FTC2 FTC1...

Страница 34: ...ient radiation will be reflected and therefore added to the thermal radiation that is collected by the sensor The ambient background temperature compensation compensates the final result by subtractin...

Страница 35: ...ted to the FTC2 analog input 0 to 5 VDC corresponding to low end and high end of temperature range is utilized for real time compensation whereby both sensors must be set on the same temperature range...

Страница 36: ...cal 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 outp...

Страница 37: ...ical 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 in...

Страница 38: ...erface comes with each model Connect a single unit with a RS232 COM port by using the connection kit RAYMISCON Figure 20 Connecting the RS232 cable 2 3 5 Sub D 9 pin Transfer Mode 9600 kBit s 8 data b...

Страница 39: ...h environment where the sensing head is mounted to a control room or pulpit where the computer is located The RS232 485 adapter comes with a power supply RAYMINCONV2 for 230 VAC RAYMINCONV1 for 110 VA...

Страница 40: ...nique address The following figure illustrates the wiring of sensors in a multidrop installation Figure 22 Wiring the RS485 Network The address setting can be done either through buttons or through so...

Страница 41: ...ng RS 485 MI units 1 Power the unit 2 Using either the buttons or software assign unique address to the sensor 3 Power down the unit 4 Repeat until all sensors have a unique address 5 On the last unit...

Страница 42: ...on the sensor s electronic board or by means of the software that came with your sensor optionally 6 1 Control Panel The sensor is equipped with a control panel in the sensor s electronic housing whic...

Страница 43: ...the unit see section 6 3 Setting of Modes on page 36 the unit s outputs must be configured by switching the Output jumper in accordance to the requested output function mA mV TC E g for the 4 to 20 mA...

Страница 44: ...s mode or parameter by doing the following Press the Mode button until the symbol for the actual set mode appears in the display e g T for setting the transmission see Table 5 Available Modes on page...

Страница 45: ...missivity 0 100 1 000 default 0 950 T Transmission 0 100 1 000 default 1 000 A Signal processing Average 0 100 999 0 P Signal processing Peak Hold 0 100 998 9 999 infinite P V Signal processing Valley...

Страница 46: ...curate damping behavior The average time is the amount of time the output signal needs to reach 90 magnitude of an object temperature jump Figure 25 Averaging A low level input GND at external input F...

Страница 47: ...Operation MI 39 object the output signal reaches only 90 magnitude of the actual object temperature after the defined average time...

Страница 48: ...d the algorithm will start over again The range for the hold time is 0 1 to 998 9 s Figure 26 Peak Hold A defined hold time of 999 s symbol in the display will put the device into continuous peak dete...

Страница 49: ...the algorithm will start over again The range for the hold time is 0 1 to 998 9 s Figure 27 Valley Hold A defined hold time of 999 s symbol in the display will put the device into continuous valley d...

Страница 50: ...put 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 ju...

Страница 51: ...e shown The user may combine the functionality of the peak hold function with the averaging function by choosing an average time thus smoothing the output signal for convenient tracing Figure 29 Advan...

Страница 52: ...6 5 Factory Defaults For activating the unit s factory default values press the Mode Up buttons on the electronic board simultaneously The factory default values are to be found in section 11 8 Comman...

Страница 53: ...re factory installed and must be specified at time of order The following are available Longer cable lengths 3 m 9 8 ft CB3 8 m 26 2 ft CB8 15 m 49 2 ft CB15 RS485 serial interface 4 for multidrop net...

Страница 54: ...Jacket XXXMIACAJ Air Cooling System with 0 8 m 2 6 ft air hose XXXMIACCJ or with 2 8 m 9 2 ft air hose XXXMIACCJ1 Right Angle Mirror XXXMIACRAJ XXXMIACRAJ1 Box Lid XXXMIACV Protective Window XXXMIACP...

Страница 55: ...Accessories MI 47 Figure 30 Standard Mounting Accessories Sensing Head Adjustable Bracket Fixed Bracket Electronic Box...

Страница 56: ...Accessories 48 MI 8 2 Adjustable Mounting Bracket Figure 31 Adjustable Mounting Bracket XXXMIACAB...

Страница 57: ...Accessories MI 49 8 3 Fixed Mounting Bracket Figure 32 Fixed Mounting Bracket XXXMIACFB...

Страница 58: ...g head Clean oil free air is recommended The air purge jacket withstands ambient temperatures up to 180 C 356 F and should not be used for cooling purposes The recommended air flow rate is 30 to 60 l...

Страница 59: ...wires from the electronic box 2 Open the Air Purging Jacket 3 4 and screw the white plastic fitting 2 onto the sensor up to the end of the threads do not over tighten 3 Slip the cable 6 through the b...

Страница 60: ...cooling hose to be installed without interrupting the connections to the box The air cooling jacket may be combined with the right angle mirror Figure 35 Air Cooling System Figure 36 Connecting the T...

Страница 61: ...perature depending on Air Flow and Hose Length Note Hose Length is the length of hose exposed to high ambient temperature not the overall length of the hose Hose Length 60 l min 2 1 cubic feet per min...

Страница 62: ...r plastic fitting air purging jacket 3 front part of the air purging jacket 4 back part of the air purging jacket 5 mounting nut 6 preinstalled cable between sensor and box leading through the T adapt...

Страница 63: ...Accessories MI 55 Figure 39 Air Cooling System T Adapter...

Страница 64: ...Accessories 56 MI Figure 40 Dimensions of Air Cooling System Hose inner 9 mm 0 35 in outer 12 mm 0 47 in...

Страница 65: ...rated air purging Figure 41 Right Angle Mirror XXXMIACRAJ left Right Angle Mirror with Air Purging XXXMIACRAJ1 right The right angle mirror withstands ambient temperatures up to 180 C 356 F For mounti...

Страница 66: ...Accessories 58 MI 8 7 Box Lid Figure 43 Box Lid with View Port for Post Installations XXXMIACV...

Страница 67: ...dow is made from non poisonous zinc sulfide with a transmission factor of 0 75 0 05 It has an outer diameter of 17 mm 0 67 in The protective window can be directly screwed to the sensing head It withs...

Страница 68: ...tment before shipping Phone numbers are listed at the beginning of this document 9 1 Troubleshooting Minor Problems Symptom Probable Cause Solution No output No power to instrument Check the power sup...

Страница 69: ...rotect 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 circui...

Страница 70: ...r range Table 8 Error Codes via RS232 485 Error Codes for the LCD Display Display Error Code Description C Invalid temperature reading H ERR Wrong sensing head B ERR Wrong parameter setting box OVER T...

Страница 71: ...ion data printed on the cable as follows 1 To exchange the sensing head disconnect the power of the unit 2 Connect the wires for the new sensing head according to the color description on the printed...

Страница 72: ...g Head Calibration Data printed on the Cable e g Head with two blocks of 4 numbers For MIH models and specially modified models like G5 or MTB four blocks of four characters are used Alternatively you...

Страница 73: ...nfigurable with optional RS232 or optional RS485 communications and DataTemp MultiDrop Software 5V alarm signal triggered by target temperature or ambient head temperature Eight position recipe table...

Страница 74: ...the set of commands that define all possible communications with the sensor The commands are described along with their associated ASCII command characters and related message format information Use t...

Страница 75: ...mode is activated The data will be transferred in one direction only from the unit to the user interface V P P starts the Poll mode allows to request or to set parameters V B B starts the Burst mode d...

Страница 76: ...the parameter CR carriage return 0Dh is closing the request Remark It is possible to close with CR LF 0Dh 0Ah but not necessary Setting a parameter without writing into the EEPROM Poll Mode This func...

Страница 77: ...closing the answer Error message Syntax Error is the character for Error 11 3 Device Information This information is factory installed read only Command Description Answer Example XU Device name XUMIL...

Страница 78: ...emperature signal In case 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 Cont...

Страница 79: ...3 RV 0 600 set the emissivity value for line 2 to 0 600 4 SV 220 0 set the set point threshold for line 2 to 220 0 5 Figure 46 Table for Emissivity and Set Points To activate these emissivity setting...

Страница 80: ...g time 90 15 s 11 5 Dynamic Data All temperature related information is calculated 128 times a second To request the dynamic data following commands are available T target temperature I internal tempe...

Страница 81: ...20 mA shall represent 200 C 392 F The same setting is possible for the minimum value H 500 the maximum current voltage value is set to 500 C L 0 the minimum current voltage value is set to 0 C Remark...

Страница 82: ...old Function on page 28 can be used as follows XN T FTC3 as trigger XN H FTC3 with hold function 11 6 7 Changing the Sensing Head Calibration Data If it is necessary to exchange the sensing head you m...

Страница 83: ...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 regard...

Страница 84: ...and If a command is transferred starting with the 3 digit number 000 all units with addresses from 001 to 032 connected will get this command without to send an answer Note A unit with the address 000...

Страница 85: ...ed hold with average AA nnn n 000 0 999 s 000 0 s Control ambient background temp compensation AC n 0 head temp 1 via number 2 via external input 0 Advanced hold threshold C nnn n in current scale C F...

Страница 86: ...00 0 999 s 000 0 s A Top of mA mV range H nnn n 1 7 H Sensor head ambient I nnn n in current scale C F Switch panel lock J X L locked U unlocked unlocked Alarm output control K N 0 off 1 on 2 Target n...

Страница 87: ...factory defaults XF Transmission XG n nnn 0 100 1 000 1 000 T High temperature of range XH nnn n Sensor initialization XI n 1 after Reset 0 if XI 0 Box temperature XJ nnn n in current scale C F FTC 3...

Страница 88: ...23 C 73 F 7 LT 500 C 932 F 8 LT 0 C 32 F 9 XZ 0123 4567 89AB CDEF set command checks format Firmware restart by unit 10 E0 1 100 E1 0 500 E2 0 600 E3 0 700 E4 0 800 E5 0 970 E6 1 000 E7 0 950 XS0 200...

Страница 89: ...RTD PT100 a thermocouple or any other suitable contact temperature method Next measure the object s temperature and adjust emissivity setting until the correct temperature value is reached This is the...

Страница 90: ...endix 82 MI 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 mater...

Страница 91: ...sted 6 Spectral range of measurement 7 Transmission e g thin films plastics To optimize surface temperature measurements consider the following guidelines Determine the object emissivity using the ins...

Страница 92: ...3 0 3 0 02 0 2 Copper Polished 0 03 0 03 0 03 Roughened 0 05 0 15 0 05 0 15 0 05 0 1 Oxidized 0 5 0 8 0 5 0 8 0 4 0 8 Gold 0 01 0 1 0 01 0 1 0 01 0 1 Haynes Alloy 0 3 0 8 0 3 0 8 0 3 0 8 Inconel Oxidi...

Страница 93: ...0 1 0 15 0 1 0 15 0 05 0 15 Platinum Black 0 9 0 9 0 9 Silver 0 02 0 02 0 02 Steel Cold Rolled 0 8 0 9 0 8 0 9 0 7 0 9 Ground Sheet 0 5 0 7 0 5 0 7 0 4 0 6 Polished Sheet 0 1 0 1 0 1 Molten 0 1 0 2 0...

Страница 94: ...0 95 Clay 0 85 0 95 0 95 Concrete 0 9 0 95 Cloth 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 col...

Страница 95: ...vity 5 11 12 60 80 82 84 85 Loop impedance 19 Maintenance 60 Mirror 57 80 Network 32 Noise 13 Optical Resolution 6 Power Supply 60 Repeatability 4 Response Time 4 Sensing Head Exchange 63 Spectral Res...

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