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Pepperl+Fuchs KCD2-UT2-1, Manual

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Universal Temperature Converter KCD2-UT2-(Ex)1

Editing device data

81

39

68

20

13

-10

EN - 27

EN

7.4.5 Fault current

The following table shows the values of the current output during a fault, depending on the 

settings.

Setting

Characteristic

4 mA ... 20 mA

unlimited

Characteristics

4 mA ... 20 mA (NE 43)

4 mA ... 20 mA limited

Characteristic

0 mA ... 20 mA

Upscale

approx. 22 mA

(cannot be distinguished 

from value exceeding end 

value)

approx. 21.5 mA

approx. 21.5 mA

Downscale

0 mA

(cannot be distinguished 

from value below start 

value)

2.0 mA

0 mA

(cannot be distinguished 

from measurement of the 

start value)

Hold

last measured value before the fault

Upscale/

downscale

only makes 

sense for RTD

approx. 22 mA

in the case of lead short 

circuit

(cannot be distinguished 

from value exceeding end 

value)

approx. 21.5 mA

in the case of

lead short circuit

approx. 21.5 mA

in the case of lead short 

circuit

0 mA

in the case of lead 

breakage

(cannot be distinguished 

from value below start 

value)

2.0 mA

in the case of

lead breakage

0 mA

in the case of lead 

breakage

(cannot be distinguished 

from measurement of the 

start value)

Summary of Contents for KCD2-UT2-1

Page 1: ...Universal Temperature Converter KCD2 UT2 Ex 1 ISO9001 PROCESS AUTOMATION MANUAL ...

Page 2: ...licable The general terms of delivery for products and services of the electrical industry as published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V including the supplementary clause Extended ownership rights Universal Temperature Converter KCD2 UT2 Ex 1 ...

Page 3: ...ting and connection 5 5 1 Mounting 5 5 2 Connection 6 5 3 Controls and indicators of the device 10 6 Configuration tools 11 6 1 Installation and connection with the device 11 6 2 Communication driver 12 6 3 Measured value 13 6 4 Simulation 14 6 5 Diagnosis 15 6 6 Service 16 7 Editing device data 17 7 1 Menu Information and Description 17 7 2 Menu Input 19 7 3 Menu Outpu 22 7 4 Behaviour of the cur...

Page 4: ...ot intrinsically safe circuits The devices thus represent an electrical isolation between the hazardous area and the safe area within a system Devices without an Ex code can be used for signal transmission between field devices in the safe area and the process control system or the control This symbol indicates a warning about a possible danger Failure to observe this warning may result in persona...

Page 5: ...r voltage signals The output signals can for example be forwarded to displays or analog inputs of the process control system Further information e g certificates the data sheets for the UT2 devices and the operating instructions for the K System can be found on our Internet page www pepperl fuchs com pa under product search enter UT2 2 2 Versions The following versions of the temperature transmitt...

Page 6: ...ety and functionality of the devices and the connected systems The devices may only be mounted connected and adjusted by electrical professionals outside the explosion hazardous area If malfunctions cannot be eliminated place the devices out of service and protect them from accidental use The devices may only be repaired directly by the manufacturer Pepperl Fuchs Any opening or change in the units...

Page 7: ...ional provisions Pepperl Fuchs also provides a seminar on the topic of explosion protection 5 Mounting and connection 5 1 Mounting The devices of the K Systems from Pepperl Fuchs and thus also the temperature transmitters KCD2 UT2 Ex 1 can be mounted on a 35 mm DIN mounting rail corresponding to EN 60715 The devices must be snapped onto the rail vertically and never slanted or tipped to the side F...

Page 8: ...ng and have generous connection room for a wire diameter of up to 2 5 mm and coded plugs so that leads cannot be confused The Intrinsically safe field circuit is connected to the blue terminals 1 to 4 of the KCD2 UT2 Ex 1 These may be conducted using DIN EN 60079 14 compliant leads into the hazardous area The non intrinsically safe field circuit is connected to the green terminals 1 to 4 of the KC...

Page 9: ...ire 3 wire or 4 wire technique Thermocouples Type B E J K N R S T according to IEC 584 1 1995 Type L according to DIN 43710 Type TXA TXK TXKH according to GOST P8 585 2001 For a cold junction compensation you require the K CJC terminal block as an accessory for information on entering the external reference temperature see section 7 2 Potentiometers 0 to 20 k in 2 wire technique Sources for voltag...

Page 10: ...t connection control circuit The following connections are available Terminals 5 6 analog current output source Terminals 7 8 analog current output sink Terminals 8 10 power supply 24 V DC Zone 2 Div 2 Zone 0 1 2 Div 1 2 KCD2 UT2 Ex1 4 3 2 T T T 1 24V DC 9 10 Power Rail 24VDC ERR 5 6 7 8 V V KC CJC ...

Page 11: ...e voltage across the terminals must be between 5 V and 30 V An additional resistance is only required if the voltage is above 16 5 V The resistance must be between U 16 5 V 0 0215 A and U 5 V 0 0215 A see diagram Example U 24 V 24 V 16 5 V 0 0215 A 350 24 V 5 V 0 0215 A 880 0 200 400 600 800 1000 1200 16 20 25 30 R Ω U V Resistance area ...

Page 12: ...he operating instructions for the K System on our Internet page www pepperl fuchs com pa under product search enter UT2 5 3 Controls and indicators of the device On the front panel of the UT2 you will find LED ERR 1 red to indicate a fault signal at terminals 1 to 4 LED PWR green to indicate the supply voltage serial RS 232 interface to connect to a PC for parameterisation and diagnosis of the UT2...

Page 13: ...ormation for the temperature converters 6 1 Installation and connection with the device Install the PACTwareTM on a PC The system requirements and the installation steps can be found in the PACTwareTM process automation configuration tool manual Connect the PC and the UT2 using the K ADP1 cable This cable can be ordered as an accessory If possible please use the new version of the cable part numbe...

Page 14: ...unication DTM is the used PC interface and the number of retries The parameter is set as follows Double click the P2P RS232 FDT driver with the mouse Select the Communication Port Communication Retries number of retries the COM DTM attempts to establish communication to the connected device To add a UT2 to a project select a P2P RS232 FDT driver of the project Then add the UT2 from the device cata...

Page 15: ...nd UT2 e g via Device data Establish connection you can open the Measured value window via Device data Measured value It shows the following information on the outputs of the UT2 Measured values at the inputs as numerical values and bar graph displayed in the selected units Values of the analogue outputs as numerical value and bar graph displayed in the selected unit ...

Page 16: ...es Press Enter to take over the set numerical value Use the check box Simulation Active to end the simulation The device will then immediately back to its normal function If the power supply is interrupted the device ends the simulation The simulation interrupts the normal function of the device Before starting the simulation make sure that no dangerous condition in the plant will result You can c...

Page 17: ... you can open the Diagnosis window via Device data Diagnosis It shows the following information Explanations Memory error error in the memory of the UT2 if this error was caused by an incorrect data transfer you can eliminate it via Device data Additional functions Service see section 6 6 otherwise please contact Pepperl Fuchs Internal device error please contact Pepperl Fuchs Simulation mode see ...

Page 18: ...ly RTD type of sensor see section 7 2 Overrange Underrange measured variable outside the maximum measuring range of the selected sensor see section 7 3 and section 7 4 CJC Error if the cold junction compensation has been selected see section 7 2 and a breakage or short circuit occurs within the K CJC terminal Input terminals 1 to 4 also uses terminal 4 for 4 wire resistance measurement 6 6 Service...

Page 19: ...tion tool manual a window with menus for parameterization appears these manues will be described as follows 7 1 Menu Information and Description The information in the upper part of the menu Information is read from the UT2 This information cannot be changed Any change to device data will change the operation of the device Before transferring new data into the device make sure that no danger to th...

Page 20: ...Editing device data EN Please specify the frequency of your supply network 50 Hz or 60 Hz under Net frequency This way you achieve the best possible suppression of influences of this net frequency on the UT2 The information in menu Description can be edited as desired ...

Page 21: ...Universal Temperature Converter KCD2 UT2 Ex 1 Editing device data 813968 2013 10 EN 19 EN 7 2 Menu Input On the menu Input you set the parameters for the input at the terminals 1 to 4 ...

Page 22: ...CTwareTM Cold junction compensation for thermocouples only external Reference temperature internal K CJC If you have selected Ext ref temp you can enter the external reference temperature range of values 100 C to 320 C For an internal Cold junction compensation you require the K CJC terminal block as an accessory instead of the normal terminal 1 to 4 see section 5 2 Lead Resistance When connecting...

Page 23: ... detectors only You activate or deactivate monitoring by clicking the respective checkbox selected deselected Measuring rate for resistance temperature detectors only slow standard With the standard measuring rate the accuracy values specified in the data sheet are adhered to With the slow measuring rate the rejection of 50 Hz and 60 Hz is improved ...

Page 24: ...813968 2013 10 22 EN Universal Temperature Converter KCD2 UT2 Ex 1 Editing device data EN 7 3 Menu Outpu On the menu Output you set the parameters for the output at the terminals 5 to 8 see section 5 2 ...

Page 25: ...le value is displayed according to the selected sensor You can also use the Adopt from measured value button for the start value End value of the measurement range The maximum possible value is displayed according to the selected sensor You can also use the Adopt from measured value button for the end value Error Indication see section 7 4 5 Upscale Downscale Hold Up downscale only suitable for us...

Page 26: ...t If you select Characteristic inverted the conversion of start value and end value will be inverted 7 4 1 Setting 4 mA 20 mA unlimited At this setting the start value of the measurement range is converted to 4 mA and the end value to 20 mA Intermediate values are converted proportionately If the value falls below the start value the output current decreases linearly to a minimum of 0 mA 25 of the...

Page 27: ...ted output 3 8 mA If the value exceeds the end value the output current increases linearly to a maximum of 20 5 mA approx 103 of the measurement range Further increases cannot be evaluated output 20 5 mA 7 4 3 Setting 4 mA 20 mA limited At this setting the start value of the measurement range is converted to 4 mA and the end value to 20 mA Intermediate values are converted proportionately Values b...

Page 28: ...o 0 mA and the end value to 20 mA Intermediate values are converted proportionately Values less than the start value cannot be evaluated output 0 mA If the value exceeds the end value the output current increases linearly to a maximum of 20 5 mA 102 5 of the measuring range Further increases cannot be evaluated output 20 5 mA 20 5 20 0 0 0 100 102 5 mA meas Start value End value range ...

Page 29: ...ownscale 0 mA cannot be distinguished from value below start value 2 0 mA 0 mA cannot be distinguished from measurement of the start value Hold last measured value before the fault Upscale downscale only makes sense for RTD approx 22 mA in the case of lead short circuit cannot be distinguished from value exceeding end value approx 21 5 mA in the case of lead short circuit approx 21 5 mA in the cas...

Page 30: ...chs com Worldwide Headquarters Pepperl Fuchs GmbH 68307 Mannheim Germany Tel 49 621 776 0 E Mail info de pepperl fuchs com For the Pepperl Fuchs representative closest to you check www pepperl fuchs com contact PROCESS AUTOMATION PROTECTING YOUR PROCESS 813968 TDOCT 3514_ENG 10 2013 ...

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