IFM TAD 81 Series Operating Instructions Manual

IFM TAD 81 Series Operating Instructions Manual

Temperature transmitter

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Operating instructions
Temperature transmitter
UK
TADx81
TADx91

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Summary of Contents for IFM TAD 81 Series

  • Page 1 Operating instructions Temperature transmitter TADx81 TADx91...
  • Page 2: Table Of Contents

    Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������3 1�1 Symbols used ������������������������������������������������������������������������������������������������3 2 Safety instructions �����������������������������������������������������������������������������������������������3 3 Getting started �����������������������������������������������������������������������������������������������������4 4 Functions and features ����������������������������������������������������������������������������������������5 5 Function ���������������������������������������������������������������������������������������������������������������5 5�1 IO-Link �����������������������������������������������������������������������������������������������������������6 5�2 Analogue function ������������������������������������������������������������������������������������������6 5�3 Diagnostic function ����������������������������������������������������������������������������������������8 5�3�1 Drift monitoring ������������������������������������������������������������������������������������8 5�3�2 Sensor backup (redundancy switching) ������������������������������������������������9 5�3�3 Diagnostic cases ��������������������������������������������������������������������������������10 5�3�4 Diagnostic function in 2-wire operation �����������������������������������������������10...
  • Page 3: Preliminary Note

    11 Fault correction ������������������������������������������������������������������������������������������������21 12 Factory setting �������������������������������������������������������������������������������������������������22 1 Preliminary note Technical data, approvals, accessories and further information at www�ifm�com� 1.1 Symbols used ► Instructions > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference�...
  • Page 4: Getting Started

    • Only use the product for its intended purpose (→ 4 Functions and features)� • Only use the product for permissible media (→ 10 Technical data)� • If the operating instructions or the technical data are not adhered to, personal injury and/or damage to property may occur�...
  • Page 5: Functions And Features

    7� Configure switching signal for diagnostic case (only 3-wire operation without IO-Link) - [dOU1]: Output opens / closes / pulsates; according to setting Table 3 → 5.3.5� 8� Configure output logic for diagnostic output (only 3-wire operation without IO- Link) - [P-n]: pnp or npn 9�...
  • Page 6: 5�1 Io-Link

    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-proportional analogue signal�...
  • Page 7 4���20 mA with setting [OU2] = I or 20���4 mA with setting [OU2] = Ineg� The measuring range is scalable: • [ASP] defines at which measured temperature value the analogue signal is 4 mA (OU2 = I) or 20 mA (OU2 = Ineg)� •...
  • Page 8: 5�3 Diagnostic Function

    5.3 Diagnostic function By measuring with two different, thermically coupled sensor elements (NTC, PT 1000) the unit automatically detects drifts and errors during temperature measurement� A mean average value is formed from the measured individual NTC and Pt 1000 values� This mean value is the basis for the provided measured temperature value and also the basis for the diagnostic messages with the drift monitoring (→...
  • Page 9: 5�3�2 Sensor Backup (Redundancy Switching)

    There would not be an alarm message� Setting range for drW / drA → 10.1 Due to the usual manufacturing tolerances a temperature difference of max� 0�1 K can also occur with new sensor elements� This does not affect the drift monitoring function�...
  • Page 10: 5�3�3 Diagnostic Cases

    5.3.3 Diagnostic cases Diagnostic messages Diagnostic case Warning Alarm Failure ● 1 Drift warning threshold [drW] exceeded Limit temperature internal electronics ● exceeded (+125°C) ● 3 Drift alarm threshold [drA] exceeded Failure of one of the two sensor ● elements Measured temperature value far ●...
  • Page 11: 5�3�5 Diagnostic Function In 3-Wire Operation

    Diagnostic messages Diagnostic cases [drEd] Warning Alarm Failure (→ 5.3.3) ● = ON 6���9 ● ● = ONdr 3���9 ● ● ● = OFF 1���9 Table 2: Setting of diagnostic cases to be signalled (2-wire operation) - Setting [drEd] = ON provides maximum availability since the transmission of the measured temperature value is only interrupted for the diagnostic message in diagnostic cases of category "failure"�...
  • Page 12 Diagnostic messages Diagnos- tic cases [drEd] Output Warning Alarm Failure (→ 5.3.3) ● = ONdr Analogue output 6���9 ● ● Switching output* 3���9 ● = OFF Analogue output 6���9 ● ● ● Switching output* 1���9 Table 3: Setting of diagnostic cases to be signalled (3-wire operation) * physical switching output as well as a switching output simulated via IO-Link�...
  • Page 13: 5�3�6 Process Data Transmission In Io-Link Operation

    — Measured value of the remaining sensor element continues to be provided� For the failed element, "NoData" is displayed instead of the measured value� "Invalid" is provided instead of the measured value� List of all diagnostic cases readable via IO-Link (events and errors) → IO Device Decription (IODD) at www.ifm.com.
  • Page 14: Installation

    ► Insert the unit with process adapter into the process connection and tighten using a spanner� Information about available adapters at www�ifm�com� ► Observe the instructions of the adapter� ► Use a lubricating paste which is suitable and approved for the application�...
  • Page 15: 6�1�3 Installation Using A Process Adapter With Metal-To-Metal Seal

    6.1.3 Installation using a process adapter with metal-to-metal seal Order no� E337xx / E338xx A long-term stable and maintenance-free fitting without bug traps in the metal-to- metal seal is only valid for once-only mounting� If the sealing has to be installed several times, use a new adapter� 6.1.4 Installation to G 1 flange The process is sealed with the sealing ring at the back of the sensor�...
  • Page 16: 6�4 Use In Hygienic Areas To Ehedg

    6.4 Use in hygienic areas to EHEDG The sensor is suited for CIP (cleaning in process) when installed correctly� ► Observe the application limits (temperature and material resistance) according to the data sheet� ► Make sure that the sensor is integrated into the system according to EHEDG: ►...
  • Page 17: Electrical Connection

    7 Electrical connection The unit must be connected by a qualified electrician� The national and international regulations for the installation of electrical equipment must be adhered to� Voltage supply to EN 50178, SELV, PELV / "supply class 2" to cULus� ►...
  • Page 18: 8�1 Adjustable Parameters

    ► Connect the unit via the IO-Link interface to a PC or PLC with suitable parameter setting software� IO-Link interface for connection of the sensor to a PC → www.ifm.com. 8.1 Adjustable parameters Setting of the standard unit of measurement: °C or °F�...
  • Page 19: Operation

    8 s (= normal operating mode)� It carries out its measurement and evaluation functions and provides output signals according to the set parameters� 10 Technical data Technical data and scale drawing at www�ifm�com� 10.1 Setting range for drW / drA Medium temperature Setting range -10���100 °C...
  • Page 20 [°C] [°F] 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 11 Fault correction In case of faults or anomalies: ► Connect the unit to a PC and read [Fnr] via the IO-Link interface� ► Read [Fnr]� Fnr Type of fault Corrective measures No fault, no anomaly occurred� Internal malfunction in the sensor ►...
  • Page 22 Fnr Type of fault Corrective measures Supply voltage outside the operating ► Check the supply voltage; ensure a voltage range� correct voltage supply� Operating temperature of the electronics ► Check the temperature of the upper outside the specified range� part of the unit� ►...

This manual is also suitable for:

Tad 91 series

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