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13 Troubleshooting

Display

Error

[SC1] flashes at 2 Hz
LED OUT1 flashes at 4 Hz

Overload switching output

[ot] and the process value

change at 0�5 Hz

Overtemperature in the unit (> 75 °C)

[ot ] and the process value

change with 0�5 Hz
LED OUT1 flashes at 4 Hz

Overtemperature in the unit (> 120 °C)

> The switching output is deactivated�

LED OUT1 flashes at 2 Hz

Faulty connection of the supply voltage

No display

Supply voltage too low

[UL]

Measuring range not reached

[OL]

Measuring range exceeded

14 Maintenance, repair and disposal

A soiled lens leads to a wrong display of the measured value�

►

Check the lens regularly and clean it, if required:

-Remove dust by blowing or use a soft brush�
-Use clean, soft and lint-free cloths or those offered on the market for lens

cleaning�

-For heavier contamination, use washing-up liquid or liquid soap� Then careful-

ly rinse with clear water� Hold the lens downwards�

-Exert only little pressure on the lens during cleaning to avoid scratches�

Содержание TW2000

Страница 1: ...Operating instructions Infrared temperature sensor TW20xx TW21xx 80270318 00 10 2017 UK F C ...

Страница 2: ...ing function 10 4 9 Peak hold function 10 4 10 IO Link 10 5 Installation 11 6 Electrical connection 14 6 1 Screening and grounding 15 7 Operating and display elements 15 8 Menu 16 8 1 Menu structure 16 8 2 Explanation main menu 16 8 3 Explanation extended functions EF 17 8 4 Submenu simulation SIM 17 9 Set up 18 10 Parameter setting 18 10 1 Parameter setting in general 19 10 1 1 Switching between ...

Страница 3: ...ent for temperature 24 10 3 2 Set delay time for OUT1 24 10 3 3 Set the measured value damping 24 10 3 4 Set the peak hold function 24 10 3 5 Setting the simulation function 24 10 4 Service functions 25 10 4 1 Reset all parameters to factory setting 25 11 Operation 25 11 1 Changing the display unit in the Run mode 25 11 2 Read the set parameters 25 12 Technical data and scale drawing 25 13 Trouble...

Страница 4: ...or its intended purpose Functions and features If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator Installation electrical connection set up operation and maintenance of the unit must be c...

Страница 5: ...ial and the surface To get exact meas urement results the emissivity of the object to be measured has to be set on the unit 10 2 1 Setting the degree of emissivity The emissivity of an ideal heat radiator black body is 100 The emissivity for real bodies is below 100 The emissivities indicated in the tables 10 2 2 and 10 2 3 are approximate values To determine the temperature precisely a reference ...

Страница 6: ... set point SP1 is set then the reset point rP1 with the request ed difference When SP1 is adjusted rP1 is changed automatically the difference re mains the same Exception SP1 is reduced to such an extent that if the distance is kept constant rP1 would fall below the measuring range In such a case rP1 is kept on the initial value of the measuring range ...

Страница 7: ... measured value the output signal is 4 mA AEP2 determines at which measured value the output signal is 20mA Measuring range in case of factory setting Measuring range in case of scaling MAW MEW 20 5 20 4 3 8 T C F I mA I mA T C F MEW MAW AEP2 ASP2 20 5 20 4 3 8 MAW Initial value of the measuring range MEW Final value of the measuring range ASP2 Analogue start point AEP2 Analogue end point ...

Страница 8: ...fter the delay time power on delay time dS1 power off delay time dr1 has elapsed If the switching condition is no longer met after the delay has elapsed the switching state of the output does not change Switching function on OUT1 with and without delay time dS1 dS1 dr1 dr1 t T 1 0 1 0 1 0 1 0 SP rP 1 2 3 4 5 T temperature SP set point rP reset point t time dS1 switch on delay time dr1 switch off d...

Страница 9: ...on to check the com plete signal processing the switching output and the analogue output The test function is activated by a static signal on pin 5 or via IO Link The test function simulates a radiation detector signal which generates an output current of 20 5 mA and triggers the switching function when the sensor operates correctly unless the switching output has already switched depending on the...

Страница 10: ...old time only the maximal measured value is displayed and provided It is recommended to set the hold time to approx the 1 5 times the object cycle time The hold time Phld can be set to 0 600 s 10 3 4 Set the peak hold function 4 10 IO Link This unit has an IO Link communication interface which enables direct access to process and diagnostic data In addition it is possible to set the parameters of ...

Страница 11: ...ust be cooled or protected against the radiated heat by means of a shielding screen For correct orientation observe the measuring segment diameter 1 and the measuring distance 2 The object to be measured should not be smaller than the measured spot diameter mm 200 100 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 mm 13 15 11 20 29 39 48 57 66 75 167 259 350 442 TW2000 1 Measuring segment di...

Страница 12: ...2500 3000 3500 4000 4500 5000 TW2001 mm 200 100 300 400 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 mm 14 2 14 6 13 8 13 4 13 11 9 17 25 33 41 49 57 65 TW2002 mm mm TW2011 20 4 20 19 19 18 15 12 5 24 35 46 57 68 80 91 100 200 300 400 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 ...

Страница 13: ...2 18 1 15 11 9 9 17 2 24 9 5 6 8 8 6 10 3 12 16 6 20 9 32 5 25 3 0 75 150 225 295 375 450 525 1 mm 2 mm TW2100 2 mm 1 mm 18 2 15 9 13 6 11 3 9 6 7 11 7 5 0 6 7 8 9 10 13 16 7 16 21 6 19 26 6 22 31 6 25 36 6 28 41 6 31 46 5 34 51 5 37 400 800 1200 1600 2000 2400 2800 TW2101 1 Measuring segment diameter Diameter LED pilot light 2 Measuring distance ...

Страница 14: ...V DC low voltage The voltage supply must comply with the provisions of protective low voltage EN 50178 SELV PELV Disconnect power Connect the unit as follows 4 2 1 3 5 BK black BN brown BU blue GY grey WH white Colours to DIN EN 60947 5 2 Pin 1 L Pin 2 OUT2 analogue output Pin 3 L Pin 4 OUT1 switching output IO Link Pin 5 test input Use a screened cable The screen of the cable must be connected to...

Страница 15: ...th of the plant Without isolated installation and without potential equalisation the maximum interference voltage on the infrared temperature sensor may be 32 V 7 Operating and display elements Out1 Enter 1 2 3 4 5 6 1 to 3 Indicator LEDs LED 1 switching status of the output LED 2 temperature indication in F LED 3 temperature indication in C 4 Enter button Selection of the parameters Reading the s...

Страница 16: ...im S On EF SP1 EPSI ASP2 AEP2 rP1 uni dS1 rES dr1 ou1 PhLd SIM dAP EF RUN SIM C F 8 2 Explanation main menu Parameter Function and setting options EPSI Emissivity Correction of the radiation characteristics of the object to be measured SP1 Switch point 1 upper limit value for the switching output OUT1 rP1 Reset point lower limit value for the switching output OUT1 ...

Страница 17: ...r1 Switch off delay for OUT1 Value in seconds maximum 10 s in steps of 0 1 s ou1 Output function for OUT1 Hno Hysteresis normally open Hnc hysteresis normally closed uni Standard unit of measurement for temperature F or C dAP Damping for the temperature display switching output and analogue output PhLd Configuration of the peak hold function SIM Opening of the lower menu level Simulation 8 4 Subme...

Страница 18: ...ly voltage has been switched on the device performs an internal initialisation and self diagnostics After approx 0 5 seconds the unit is ready for operation and starts the measurement and evaluation function 10 Parameter setting Parameters can be set before installation or during operation If you change parameters during operation this will influence the function of the plant Ensure that there wil...

Страница 19: ...r 1 s _ Display flashes first then permanent 5 Change value by pressing or Keep or pressed Faster cycle of the numerical values 4 5 3 Enter Enter Acknowledge parameter value 6 Briefly press Enter The parameter is displayed again The new setting value is saved Enter 6 Finish parameter setting and change to the process value display wait for 30 seconds or change from the submenu to the main menu fro...

Страница 20: ...ously 10 1 2 Locking unlocking The unit can be locked electronically to prevent unintentional settings On delivery not locked Locking Make sure that the unit is in the normal operating mode Press and simultaneously for 10 s Loc is displayed During operation Loc is briefly displayed if you try to change parameter values Unlocking Press and simultaneously for 10 s uLoc is displayed Loc uLoc 10 1 3 T...

Страница 21: ...erature of the object to be measured remains constant Select EPSI and set the emissivity to 94 Apply the label to the object to be measured and measure the tempera ture with the infrared temperature sensor reference temperature Remove the label and measure the temperature of the object again Displayed temperature deviates from the reference temperature Select EPSI and change the emissivity Measure...

Страница 22: ...rd 96 Plastics opaque 65 95 Bread in the oven 88 Leather 75 80 Iron oxide 85 89 Marble 94 Enamel 84 88 Brass oxidised 56 64 Soil 92 96 Paper 70 94 Paints and lacquers shiny 92 Sand 90 Paints and lacquers matt 96 Chamotte 75 Plaster 80 90 Black body 100 Glass 85 95 Steel antirust 45 Graphite 98 Steel red oxidised 69 Rubber black 94 Textiles 75 88 Skin human 98 Water 92 98 Radiator 80 85 Cement 90 W...

Страница 23: ...60 70 Bronze polished 1 3 Bronze finished 15 30 Chromium blank 15 30 Iron heavily scaled 90 95 Iron rolling skin 75 90 Iron molten 15 30 Gold and silver 1 2 Graphite finished 85 90 Copper oxidised 70 90 Brass oxidised tarnished 50 70 Nickel 8 20 Porcelain glazed 50 60 Porcelain rough 75 85 Soot 90 95 Chamotte 40 50 Slag 80 85 Black body 100 100 Pottery glazed 85 90 Brick 85 90 zinc 40 60 ...

Страница 24: ... or F Menu EF uni 10 3 2 Set delay time for OUT1 dS1 switch on delay dr1 switch off delay Select dS1 or dr1 and set a value in seconds at 0 0 the delay time is not active Menu EF dS1 dr1 10 3 3 Set the measured value damping Select dAP and set a damping constant in seconds 0 600 s in steps of 0 1 s Menu EF dAP 10 3 4 Set the peak hold function Select Phld and set the hold time in seconds 0 600 s i...

Страница 25: ...un mode The temperature is displayed in the set standard unit of measurement 10 3 1 The display unit can be changed by pressing the pushbutton Briefly press or in the Run mode The process value is displayed in the other temperature unit for 30 s the respective LED is lit 11 2 Read the set parameters Briefly press Enter Press or until the required parameter is displayed Briefly press Enter The unit...

Страница 26: ...ly voltage No display Supply voltage too low UL Measuring range not reached OL Measuring range exceeded 14 Maintenance repair and disposal A soiled lens leads to a wrong display of the measured value Check the lens regularly and clean it if required Remove dust by blowing or use a soft brush Use clean soft and lint free cloths or those offered on the market for lens cleaning For heavier contaminat...

Страница 27: ... TW2000 TW2100 TW2001 TW2101 TW2002 TW2011 SP1 250 C 500 C 1000 C 550 C rP1 230 C 480 C 960 C 530 C ASP2 0 C 250 C 500 C 300 C AEP2 1000 C 1600 C 2500 C 1600 C rES dS1 0 0 s dr1 0 0 s ou1 Hno uni C dAP 0 0 s PhLd 0 EPSI None tESt OFF More information at www ifm com ...

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