IFM TAD 81 Series Operating Instructions Manual Download Page 1 | Manualshive

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Operating instructions

Temperature transmitter

TADx81

TADx91

80282432 / 00 09 / 2019

UK

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Summary of Contents for TAD 81 Series

Page 1: ...Operating instructions Temperature transmitter TADx81 TADx91 80282432 00 09 2019 UK ...

Page 2: ...Link operation 13 6 Installation 14 6 1 Units with G1 Aseptoflex Vario process connection 14 6 1 1 Installation using an adapter with sealing ring hygiene compliant 14 6 1 2 Installation using a welding adapter with sealing ring hygiene compliant 14 6 1 3 Installation using a process adapter with metal to metal seal 15 6 1 4 Installation to G 1 flange 15 6 2 Units with process connection G sealing...

Page 3: ... the system The system manufacturer undertakes to perform a risk assessment and to create a documentation in accordance with legal and normative requirements to be provided to the operator and user of the system This documentation must contain all necessary information and safety instructions for the operator the user and if applicable for any service personnel authorised by the manufacturer of th...

Page 4: ...ts and cables against damage 3 Getting started Detailed description under 8 Parameter setting 1 Connect unit to PC to set the parameters via the IO Link interface 2 Set the standard unit of measurement Uni C or F 3 Set analogue signal OU2 I 4 20 mA or I neg 20 4 mA ASP and AEP scaling of the measuring range 4 Set drift monitoring drW drift threshold from which the unit signals warning drA drift th...

Page 5: ...a an analogue signal in 2 wire operation in addition via a switching signal or as a digital communication signal via the IO Link interface in 3 wire operation The switching output can be used for diagnostics 5 Function The unit has an IO Link interface This offers the following additional functions Remote parameter setting of the unit Transmission of the set parameter values to other sensors Simul...

Page 6: ...ication is possible when the system is not in operation The IODDs necessary for the configuration of the unit detailed information about process data structure diagnostic information parameter addresses and the necessary information about the required IO Link hardware and software can be found at www ifm com 5 2 Analogue function The unit converts the measured temperature value into a temperature ...

Page 7: ...f the measured temperature value is outside the scaled measuring range the analogue signal is 20 20 5 mA or 3 8 4 mA Figure 1 When the measured temperature value continues to increase or decrease case of diagnostic 5 occurs 5 3 3 160 20 4 3 5 21 5 FOU OFF FOU On 20 5 3 8 I mA 25 0 150 MEW MAW ASP AEP T C 1 2 Figure 1 Output characteristics analogue output with factory setting 1 Setting OU2 I 2 Set...

Page 8: ...switching signal or IO Link diagnostic data in 3 wire operation 5 3 1 Drift monitoring For drift monitoring the unit compares the temperature deviation of sensor element 1 NTC and sensor element 2 Pt 1000 from the mean value The permissible temperature deviation is defined by the parameters drW warning threshold and drA alarm threshold Based on the alarm threshold drA the drift failure threshold d...

Page 9: ...here may be a short term difference between the measured temperature values of both sensor elements To avoid short term drift warnings increase delay time ddr 5 3 2 Sensor backup redundancy switching If one of the two sensor elements fails diagnostic case 4 it is possible to continue to measure the temperature with the other sensor element that is still operational However drift monitoring is not ...

Page 10: ...e operating range 7 Drift failure threshold drF exceeded 5 3 1 8 Error during parameter setting via IO Link 9 Failure of both sensor elements or general electronics problems Table 1 Diagnostic cases for 2 wire operation and 3 wire operation Exception For 2 wire operation no diagnostic message is provided in case of undervoltage 5 3 4 Diagnostic function in 2 wire operation In 2 wire operation the ...

Page 11: ...the following analogue signal depending on the setting of FOU FOU2 On 21 5 mA FOU2 OFF 3 5 mA In the event of undervoltage diagnostic case 6 5 3 3 no diagnostic message is provided in 2 wire operation 5 3 5 Diagnostic function in 3 wire operation In 3 wire operation the analogue output OUT2 is used for temperature measurement and diagnostics In addition a switching output is used via OUT1 for diag...

Page 12: ...ll diagnostic cases can be signalled via the switching output in 3 wire operation the analogue output only leaves its measured temperature value in diagnostic case of category failure This ensures maximum use of the analogue output The parameter dOU1 is used to define how the diagnostic output reacts to diagnostic messages Normal Diagnostic message dOU1 Warning Alarm Failure nc normally closed nc ...

Page 13: ...ensor element In case of an event the process value transmission is interrupted according to table 5 Process value Normal operation drW ex ceeded drA ex ceeded Failure of a sensor element Defect of the unit 1 Temperature x 2 Temperature Pt x 3 Temperature NTC x Table 5 Process value transmission via IO Link Measured value is displayed If one sensor element fails temperature measured value of the r...

Page 14: ...g ring hygiene compliant Order no E332xx E333xx To meet the hygiene regulations use a process adapter with leakage port The adapters are supplied with EPDM O ring order no E30054 More sealing rings are available as accessories FKM O ring order no E30123 PEEK sealing ring order no E30124 The PEEK sealing ring is long term stable and maintenance free When you replace the PEEK sealing ring or change ...

Page 15: ...sor The sealing area at the flange must be flush with the tapped hole and have a surface characteristic of min Rz 6 3 6 2 Units with process connection G sealing cone Fitting to the process connection Installation using an adapter with metal to metal seal Recommended tightening torque 30 50 Nm 6 3 Use in hygienic areas to 3 A The following applies to units with 3 A certification Only use adapters ...

Page 16: ...ocess adapters permitted according to EHEDG with special seals required by the EHEDG position paper The gasket of the system interface must not be in contact with the sealing point of the sensor In case of structures in a tank the installation must be flush mount If not possible then direct water jet cleaning and cleaning of dead spaces must be possible Leakage ports must be clearly visible and mu...

Page 17: ...lours to DIN EN 60947 5 2 BK black BN brown BU blue WH white Operation as 2 wire unit Operation as 3 wire unit Pin 2 OUT analogue signal for temperature and diagnostics OUT2 analogue signal for temperature and diagnostics Pin 4 OUT1 switching signal for diagnostics IO Link signal for temperature and diagnostics 8 Parameter setting Using an IO Link capable parameter setting tool the following optio...

Page 18: ...ture deviation is exceeded a diagnostic message of the category alarm is provided with setting drEd ONdr or OFF C F Maximum permitted temperature deviation of both sensor elements from the mean value Setting range 10 1 OFF Drift alarm deactivated drF Drift failure threshold drF drA 3 K if this value of the temperature deviation is exceeded a diagnostic message of the category failure is provided d...

Page 19: ...easured in the process LO Read min value of the temperature measured in the process Fnr Read fault number 11 Fault correction rES Restoring the factory settings It is recommended to note down your own settings before carrying out a reset 12 Factory setting 9 Operation When the supply voltage is applied the unit is in the RUN mode after a power on delay time of 8 s normal operating mode It carries ...

Page 20: ...48 257 266 275 284 293 302 311 320 F 1 2 1 x minimum value for drW and drA 2 Medium temperature If the value that has been set for drW or drA is lower than the value x the sensor will change it automatically to the value x In case of operation in gaseous media the value should be greater than 0 35 C 0 6 F ...

Page 21: ...nostic cases of the category failure In 3 wire operation all diagnostic cases can be signalled via the diagnostic switching output except those used for drift monitoring diagnostic cases 1 3 7 5 3 3 30 Wiring fault Check wiring 42 Analogue signal 21 5 mA FOU2 On or 3 5 mA FOU2 OFF The switch point is clearly outside the measuring range Check measuring range Adapt ASP value and AEP vaule to the ope...

Page 22: ...f the unit Adhere to the specified temperature range 100 Error during parameter setting via IO Link set value of a parameter outside the valid range Repeat parameter setting with admissible parameter values or make a reset reset all parameters to the factory setting SP analogue start point AEP analogue end point 12 Factory setting Parameter Factory setting User setting OU2 I ASP 0 C AEP 150 C drW ...

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