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ITP16 Temperature indicator

SKU: ITP16
The ITP16 is a temperature indicator for monitoring and control of industrial processes. This display features a digital output and a configurable analog input. The device can process linear voltage signals, signals from various RTDs (Pt100, Pt1000, and others) or thermocouples (K, J, and others). The NPN transistor output can control a load up to 200 mA / 42 V DC, which makes it possible to implement on-off control. This output can also be used as an alarm output.

This device has a compact, standardised design and fits into a standard 22.5 mm borehole for signal lamps. This provides quick and easy installation and many displays can be accommodated in a control cabinet door or on a panel.

LED colorRTD input (PT100, PT1000, and others)TC input (K, J, and others)NPN-transistor output (400 mA, 42 V DC)ON/OFF controlpower supply 24 V DCGalvanic isolationeasy mounting in a Ø22.5 mm holequick mountingcompact designthe process display can be installed into a push-button boxaccuracy 0.2%IP65 rated enclosureCharacter height 14 mmAmbient temperature

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Product Description
    Details

    The ITP16 is a temperature indicator for monitoring and control of industrial processes. This device has a compact, standardised design and fits into a standard 22.5 mm borehole for signal lamps. This provides quick and easy installation and many displays can be accommodated in a control cabinet door or on a panel.

    This display features a digital output and a configurable analog input. The device can process linear voltage signals, signals from various RTDs (Pt100, Pt1000, and others) or thermocouples (K, J, and others). Before displaying, the input signal can be filtered if needed. There is also an optional square root function available. The NPN transistor output can control a load up to 200 mA / 42 V DC, which makes it possible to implement on-off control. This output can also be used as an alarm output.

    The process indicator ITP16 supports an alarm function. If this function is on, the display starts blinking with the frequency of about 2 Hz when the process value exceeds the set points.

    The device requires 24V DC auxiliary voltage. The enclosure provides the IP65 rating on the front and can be operated in the temperature range between -40 and +60 °C.

    Functions and features:

    • - Measuring and displaying the signal values received from various RTDs and thermocouples (see Supported sensors)
    • - Linear voltage signal scaling
    • - Adjustable decimal point position
    • - ON/OFF control with an NPN output
    • - Display range -999…+9999
    • - Square root function (for special transmitters)
    • - Digital filter
    • - Alarm function (blinking when the exceeding set points)
    • - Error indication when exceeding the measuring limits
    • - Error indication when wire break or short circuit

    Areas of application:

    The temperature display ITP16 is particularly suitable for the fast and easy installation of visual display systems for various thermal processes. The ITP16's compact size ensures that it can be used on-site as an additional display unit for measurement values or as part of a complex visual display system.

    Power supply 24 (10…30) V DC
    Power consumption, max. 1 W
    Input 1
    Input signal See Supported sensors
    Sampling time 2 s
    Accuracy ±(0.25% FS)
    Temperature influence ≤ 0.2% / 10 °C
    Input resistance
    0-1 V, -50…+50mV ≥ 250 kohm
    Output 1
    Type NPN transistor
    Loading capacity 200 mA, 42 V DC
    Enclosure for panel mounting
    Character height 14 mm
    Dimensions 48 x 26 x 65 mm
    Weight approx. 30 g
    Ambient temperature -40…+60 °C
    IP Code front IP65, rear IP20
    Protection class III
    Relative humidity up to 80% (at +35 °C, non-condensing)
    Signal type Measurement range, °C Temperature coefficient, °C-1
    RTD according to IEC 60751:2008
    Pt50 -200…+850 0.00385
    Pt100
    Pt500
    Pt1000
    RTD according to GOST 6651
    Cu50 -50 …+200 0.00426
    50M -180 …+200 0.00428
    50P -200…+850 0.00391
    Cu100 -50 …+200 0.00426
    100M -180 …+200 0.00428
    100P -200…+850 0.00391
    Ni100 -60…+180 0.00617
    Cu500 -50 …+200 0.00426
    500M -180 …+200 0.00428
    500P -200…+850 0.00391
    Ni500 -60…+180 0.00617
    Cu1000 -50…+200 0.00426
    1000M -180…+200 0.00428
    1000P -200…+850 0.00391
    Ni1000 -60…+180 0.00617
    TC according to IEC 60584-1:2013
    K –200…+1300
    J –200…+1200
    N –200…+1300
    T –250…+400
    S –50…+1750
    R –50…+1750
    B +200…+1800
    A 0…+2500
    TC according to GOST 8.585
    L -200…+800
    A-2 0…+1800
    A-3
    TC according to DIN 43710
    L -200…+900
    Linear signals
    -50…50 mV 0…100 %
    0-1 V
Additional Information
FAQ

    FAQ

    What type of signal does the Temperature Indicator ITP16 support? How should I connect it?

    The ITP16 supports a large variety of temperature sensors, such as: 

    • - RTD
    • - TC
    • - Linear signals 0-1 V.

    Please refer to the User Guide, Table 2.2 to see all supported sensors.

    The way you should connect your sensor to the ITP16 depends on the output signal of the sensor:

    Temperature Displya Electrical Connection
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    Can I connect the Temperature Indicator ITP16 to a temperature sensor PT100 directly or should I use a 4-20 mA converter?
    Yes, you can do this without any signal converters.
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    Can I connect several ITP16 Temperature Displays to the common temperature sensor? How should I connect them, in series or in parallel?

    You can connect only one temperature sensor to the ITP16’s input.

    But you can connect several ITP16 displays to the common voltage signal of 0-1 V. They should be connected in parallel, and their maximum number herewith depends on the available load current.

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    I have connected the ITP16 but it doesn’t switch on, what should I check?

    The ITP16 needs an auxiliary voltage supply of 24 V DC, so please ensure you have provided it.

    If the display still doesn’t function, check if the polarity of the voltage connection is correct.

    Check the wiring. A wire may be loose or not connected to the corresponding terminal.

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    I have connected a sensor to the ITP16, but the temperature on the display is far from the correct one, what should I check?

    First, you should check if the corresponding sensor is set.

    To set the corresponding sensor proceed as follows:

    • - Connect the device to a 24 V DC power supply
    • - Access the parameter menu: Hold down the PROG button for at least 3 s
    • - Set the temperature sensor: Find the parameter ‘in.t’ by navigating the menu with the UP or DOWN button (these same buttons are used to increase/decrease the value of any selected parameter). Press PROG and set the required value depending on the sensor type connected to the ITP16 (see Table 2.2 in the User Guide). Press PROG once again to save the value and exit.

    To exit the parameter menu, hold down the button PROG for at least 3 s.

    If the display is still showing a wrong value, check the wiring. A wire may be loose or not connected to the terminals.

    The length of the connection wires can influence the final measurement results, so please take the following information into consideration:

    Sensor connection to the Temperature Display ITP16
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    What voltage supply does the ITP16 require?
    The temperature display ITP16 requires 24 (10…30) V DC.
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    What software do I need to program the ITP16?

    You don’t need any software to program the ITP16. The programming is carried out by using three buttons on the ITP16’s cylindrical body.

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    Should I program the display before or after the installation?
    Technically, it doesn't matter; but in terms of convenience, it depends on your particular case.
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    Can I switch on/off the digital output of the ITP16 depending on the signal value at its input?

    Yes, you can do this.

    You have to specify the required setpoints and select the required control function. For this purpose, proceed as follows:

    • - Connect the device to a 24 VDC power supply
    • - Access the parameter menu: Hold down the PROG button for at least 3 seconds
    • - Set the control function: Find the parameter ‘Cnt’ by navigating the menu with the UP or DOWN button (these same buttons are used to increase/decrease the value of any selected parameter). Press PROG and select the required control function (see the figure below). Press PROG once again to save the value and exit.
    • Control functions of the ITP14 Universal Process Display 4-20 mA / 0-10 V
    • - Set the setpoint limits: Find the parameter ‘SP.Lo’, Press PROG and set the required value for the lower setpoint limit. Press PROG once again to save the value and exit. Set the required value for the upper setpoint limit (‘SP.Hi’) in a similar way.

    To exit the parameter menu, hold down PROG for at least 3 seconds.

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    How can I scale the measuring limits of the ITP16?

    The scaling is only available for linear voltage signals. If an RTD or a TC sensor is connected, the input signal is scaled by default, and can’t be rescaled. The measurement ranges of all supported sensors are shown in the User Guide, Table 2.2.

    To scale the measuring limits of a linear voltage signal, please proceed as follows:

    • - Connect the device to a 24 V DC power supply
    • - Access the parameter menu: Hold down the PROG button for at least 3 s
    • - Set the measuring limits: Find the parameter ‘di.Lo’ by navigating the menu with the UP or DOWN button (these same buttons are used to increase/decrease the value of any selected parameter). Press PROG and set the required value for the lower measuring limit. Press PROG once again to save the value and exit. Set the required value for the upper measuring limit (‘di.Hi’) in a similar way.

    To exit the parameter menu, hold down the button PROG for at least 3 s.

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    If I need to show a percentage value, what should the ITP16’s measuring limits be?

    The lower measuring limit (the parameter di.Lo) should be set to 0.

    The upper measuring limit (the parameter di.Lo) should be set to 100.

    Please note, you can do it only for a linear voltage signal (-50…50 mV or 0-1 V). An input signal from RTD or TC sensors can’t be scaled.

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    What is the alarm function? How can I use it?

    The alarm function makes the display blink with a frequency of about 2 Hz when the output is switched on.

    To use this function properly, please proceed as follows:

    • - Connect the device to a 24 VDC power supply
    • - Access the parameter menu: Hold down the PROG button for at least 3 seconds
    • - Switch on the alarm function: Find the parameter ‘d.FnC’ by navigating the menu with the UP or DOWN button (these same buttons are used to increase/decrease the value of any selected parameter). Set this parameter to ‘ON’, press PROG once again to save the value and exit.
    • - Select the control function: Find the parameter ‘Cnt’, press PROG and select the required control function (see the figure below). Press PROG once again to save the value and exit.
    • Alarm functions of the ITP14 Universal Process Display 4-20 mA / 0-10 V
    • - Set the setpoits: Find the parameter ‘SP.Lo’, press PROG and set the required value for the lower alarm limit. Press PROG once again to save the value and exit. Set the required value for the upper alarm limit (‘SP.Hi’) in a similar way.

    To exit the parameter menu, hold down PROG for at least 3 seconds.

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    What is the IP rating of this display?

    Proper device installation (see User Guide) warrants protection against dust and water (IP65 on the front). Because of the exposed terminal block, the rear part of the enclosure is rated much lower – IP20.

    Process display 4-20 mA IP rating
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    What is the ITP16’s input resistance?

    The input resistance between the terminals AI2 and AI3 is ≥ 250 kohm.

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    In what colors is the display available?

    The enclosure is only available in grey color. The LEDs can be ordered in red or in green color.

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    What conductor cross section is permitted?

    The maximum cross-section of a solid conductor is 0.2…0.8 mm².

    The maximum cross-section of a stranded conductor is 0.45…0.7 mm².

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    What is the ITP16’s accuracy? What about its sample time?

    The accuracy is 0.25 % FS + 1 digit.

    The sample time is 2 s.

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    Is the ITP16 protected against overload?

    There is no overload protection at the ITP16’s power supply input, so please ensure that the power supply doesn’t exceed 30 V.

    In case of wrong polarity, the device won’t operate, but it won’t be damaged either.

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    Is there any galvanic isolation between the input, the output, and the voltage supply circuit?

    The ITP14 or the ITP14, each of them has three potential groups:

    • − Power supply 24 V DC
    • − Analog input
    • − Digital output

    Galvanic isolation from each group to the enclosure is 500 V.

    Galvanic isolation between groups is 500 V.

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    What is the maximum distance to connect an RTD or a TC signal to the ITP16?
    Temperature Display ITP16, TC, RTD
    We recommend having this distance as short as possible, because the resistance of a long conductor can affect the measurement accuracy.
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    What diameter should the mounting cutout be to install this display?
    The device is designed for panel mounting in a borehole of Ø22.5 mm (see User Guide, Appendix A).
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    Do you have an ePLAN 3D model of this display?

    The ePLAN 3D model is available under the tab ‘DOCUMENTS AND SOFTWARE’ on the product page. There is also a STEP model available under the same tab.

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