Presys TA-500PS Technical Manual
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Presys TA-500PS Technical Manual

Temperature calibrator for surface sensors
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Temperature Calibrator for
Surface Sensors
TA-500PS
Technical Manual

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Summary of Contents for Presys TA-500PS

  • Page 1 ® Temperature Calibrator for Surface Sensors TA-500PS Technical Manual...
  • Page 2 The warranty conditions are available in our sites: www.presys.com.br/warranty...

  • Page 3: Table Of Contents

    PRESYS  Instruments TA-500PS Table of Contents 1 - Introduction ....................... 3 1.1 - Technical Specifications..................4 1.1.1 - Input Technical Specifications ................ 5 1.1.2 - Special Software Features ................6 1.2 - Order Code ......................6 1.3 - Accessories ......................7 1.4 - Parts Identification ....................

  • Page 4: Introduction

    The sensor calibration curve is configured according to the Callendar-Van Dusen or ITS-90 parametrization. • The TA-500PS calibrator generates temperatures from ambient to 500 °C. • It has input for thermocouples, RTDs and thermo-switches.

  • Page 5: Technical Specifications

    , which uses USB communication to connect the computer to the calibrator. TA-500PS have also many other features, such as: • RTD input for 2, 3 and 4 wires. Table IEC 60751, Callendar-Van Dusen or ITS-90 user-configurable. Engineering units configurable to °C, °F and K.

  • Page 6: Input Technical Specifications

    PRESYS  Instruments TA-500PS 1.1.1 - Input Technical Specifications Input Ranges Resolution Accuracy Remarks millivolt -150 mV to 150 mV  0.01 % FS* 0.001 mV > 10 M input  0.02 % FS 150 mV to 2450 mV 0.01 mV auto-ranging mA -1 mA to 24.5 mA...

  • Page 7: Special Software Features

    PRESYS  Instruments TA-500PS 1.1.2 - Special Software Features Special Function: SCALE: makes the scaling of mA input. Memory Manager: stores configuration types predefined by the user. Automated Tasks: creating of calibration work orders and automatic execution of calibration services, storage of data and reporting.

  • Page 8: Accessories

    PRESYS  Instruments TA-500PS 1.3 - Accessories Description Order Code Soft Carrying Case for TA-500PS 06.01.1031-00 Lead Cable Kit 06.07.0018-00 Power Cable Type J – Brazil 01.14.0008-21 Power Cable Type B – US 01.14.0100-21 Power Cable Type F – Europe Universal 01.14.0089-21...

  • Page 9: Parts Identification

    PRESYS  Instruments TA-500PS 1.4 - Parts Identification Fig. 01 - Parts Identification Page 8...

  • Page 10: Calibrator Operation

    PRESYS  Instruments TA-500PS 2 - Calibrator Operation When powered on, the calibrator goes through a self-test routine and shows the last adjustment date and it is ready to operate. After the self-test is completed, the display shows the main menu: Fig.

  • Page 11: Calibrator Menu

    PRESYS  Instruments TA-500PS 2.1 - Calibrator Menu To select the probe set point or electrical input functions, from the main menu, press the CALIBRATOR button. The following screen is displayed. Fig. 03 - Calibrator Function At the top is shown the probe settings and values.
  • Page 12 PRESYS  Instruments TA-500PS In the STEP function, a step value can be configured, and the steps can be changed through the up and down arrows. (SP RATE configuration) the user can change the heating / cooling rate of the block temperature. The value must be inserted in temperature unit per minute (°C/min;...

  • Page 13: Probe Settings

    PRESYS  Instruments TA-500PS 2.1.1 - Probe Settings There are two different references for the thermal block: Internal Reference and External Reference. The Internal Reference is a sensor built into the block. The External Reference is an option for more accurate measurements. The reference comes from a Standard Sensor placed inside the block, near to the measurement area.
  • Page 14 PRESYS  Instruments TA-500PS 2.1.1.1 - Adding a new sensor with coefficients Fig. 08 - Adding a new Reference Sensor Callendar-Van Dusen Coefficients: Configuration tab: ID: Set an identification for the sensor MIN (°C): Lower value of the reference sensor calibrated range MAX (°C): Higher value of the reference sensor calibrated range...
  • Page 15 PRESYS  Instruments TA-500PS ITS-90 Coefficients: Configuration tab: ID: Set an identification for the sensor MIN (°C): Lower value of the reference sensor calibrated range MAX (°C): Higher value of the reference sensor calibrated range Parameters tab: Rptw (): The last resistance measurement in 0.01 °C (Triple point of Water) of...

  • Page 16: Input Settings

    PRESYS  Instruments TA-500PS 2.1.2 - Input Settings The INPUT menu has the following options: Fig. 09 - Input Menu Options For OHM measurement, you should also select between 2, 3 or 4 wires options. For RTD input, it should be chosen the type between Pt-100, Pt-1000, Cu-10 or Ni-100 (standard table used), the number of lead wires (2, 3 or 4 wires) and the temperature scale (ITS-90 or IPTS-68).
  • Page 17 PRESYS  Instruments TA-500PS compensation is done internally; In Manual you must provide the value of the temperature of the cold junction to the calibrator. In STD, standard curves are used for the thermocouples (ITS-90; IPTS-68). Selecting CUSTOM, the user can configure a customized curve with thermocouple calibration coefficients.
  • Page 18 PRESYS  Instruments TA-500PS Fig. 12 - Burn-out Warning If an out of range signal is injected, a message of UNDER or OVER range appears. Page 17...
  • Page 19 PRESYS  Instruments TA-500PS 2.1.2.1 - Input Connections Diagrams Fig. 13 - Input Connections Page 18...

  • Page 20: Special Function

    PRESYS  Instruments TA-500PS 2.1.3 - Special Function SCALE: For the current input, it is possible to use the scale function: Fig. 14 - Option for mA Input: SCALE It establishes a linear relationship between the mA input signal and what is shown at the display, according to the graphic below: Fig.

  • Page 21: Saving Current Configuration (Memory Manager)

    PRESYS  Instruments TA-500PS Fig. 16 - Scale Function Configuration Note: To enable the Scale Function, turn the function ON before touching OK button. To disable, turn the function OFF. 2.1.4 - Saving Current Configuration (Memory Manager) The TA Series calibrators admit several special functions that may become of frequent use.

  • Page 22: Hart Configuration

    PRESYS  Instruments TA-500PS 2.2 - HART ® Configuration The TA Series Calibrators can be used to read and set parameters in devices that ® ® have HART Communication Protocol. HART Protocol allows digital communication between master (in this case, the TA Calibrator) and the slave (field instrument) superimposed on the 4-20 mA analog signal.

  • Page 23: Starting Communication

    PRESYS  Instruments TA-500PS Fig. 18 - Transmitter Powered by an External Power Supply mA INPUT + HART ® (Internal Resistor Enabled) 2.2.2 - Starting Communication connection type, inform the ADDRESS of the HART ® ® After defining HART device and press the CONNECT button.

  • Page 24: Transmitter With Reference

    PRESYS  Instruments TA-500PS Fig. 19 - Adjusting the measuring range of the HART ® transmitter 2.2.4 - Adjusting the Measurement Range of a HART Transmitter with ® Reference Another way to adjust the range of the transmitter is generating the minimum and maximum values of the desired range in the transmitter input and adjusting these values as minimum and maximum (set by reference).

  • Page 25: Adjusting The Measurement Range Of A Hart

    PRESYS  Instruments TA-500PS MONITOR tab. In this screen are shown the value of the primary variable (PV) read by HART ® (digital), the current that the transmitter wants to generate (AO - DIGITAL OUTPUT), and the current measured by the TA Calibrator (ANALOGIC READ). Set the block temperature pressing OUTPUT and adjust the transmitter range pressing the ↓...

  • Page 26: Automatic Tasks

    PRESYS  Instruments TA-500PS Fig. 22 - Checking / Adjusting the mA HART ® Transmitter Output 2.3 - Automatic Tasks In TA Calibrators, automatic calibration tasks can be created and performed. This option can be used to generate calibration work orders for sensors, transmitters and indicators.
  • Page 27 PRESYS  Instruments TA-500PS Go to the As Found/ As Left tab. Add each point to be generated by the TA Calibrator and the expected value for the UUT (unit under test) both As found (calibration done before adjustment) and As left (calibration done after adjustment) values.

  • Page 28: Performing Tasks

    PRESYS  Instruments TA-500PS Go to the Review and Save tab and choose an identification name/number for your task. If you want to save the model of this task for later use to create other tasks, press SAVE TEMPLATE and give a name for it. When you want to open this model again, open the task creation screen and press OPEN TEMPLATE in Task info tab.

  • Page 29: Viewing Results

    PRESYS  Instruments TA-500PS instrument (thermometer, indicator…). The result will be displayed on the screen, and a progress bar indicates the calibration remaining time. At the end of the calibration, a report is showed with the generated values, the obtained values, the expected values, and the error.

  • Page 30: Data-Logger

    PRESYS  Instruments TA-500PS Fig. 29 - Example of a Printed Calibration Report 2.4 - Data-Logger The TA Series Calibrators allow you to record series of measurements over time to display data in chart or table format. Select CALIBRATOR from the main menu and select the desired configuration for Probe and Input.
  • Page 31 PRESYS  Instruments TA-500PS Fig. 30 - Data Logger In configuration menu (icon , you can edit the background color of the chart, color and line thickness, sampling rate (in seconds) and set the x (time) and y (measurements) axis of the chart.

  • Page 32: Help Desk

    PRESYS  Instruments TA-500PS 2.5 - Help Desk TA Series calibrators have a video player. These videos can be viewed while a calibration is performed and are used to help operator to learn about some specific internal procedures. From the main menu, selecting HELP DESK a list of video categories appears.

  • Page 33: Section 5.0 - Calibration

    PRESYS  Instruments TA-500PS Security Options • The instrument initially has no access password. This setting can be changed in SECURITY OPTIONS. To create a new user, press the key icon and then users icon . Fill the blanks and press CREATE. It is possible to add a signature that will be used on the calibration report.

  • Page 34: Built-In Web Server

    PRESYS  Instruments TA-500PS 2.6.4 - Built-in Web Server Connect the network cable into the Ethernet port of TA Calibrator on the side (see Fig. 1). To access the built-in webserver open the web browser on your computer and enter the following address.

  • Page 35: Scpi Commands Set

    PRESYS  Instruments TA-500PS Fig. 33 - TA Calibrator Web Server In the Web Server, you can monitor the calibrator screen, change the setpoint and see the auxiliary input readings. 2.6.5 - SCPI Commands Set To control the calibrator using the SCPI commands connect a serial cable to the TA Calibrator USB HOST port (see Figure 1 –...
  • Page 36 PRESYS  Instruments TA-500PS *CLS Description: Clears the errors list. Parameters: --- Response: --- CALibration:DATE:LAST? Description: Shows the last calibration date Parameters: --- Response: <AAAA>,<MM>,<DD> e.g. 2018,05,30 CALibration:DATE:NEXT? Description: Shows the next calibration date Parameters: --- Response: <AAAA>,<MM>,<DD> e.g. 2019,05,30 SOURce:READ? Description: Shows the controlled temperature.

  • Page 37: System:error

    PRESYS  Instruments TA-500PS SYSTem:ERRor? Description: Shows the last error code Parameters: --- Response: Error code: Command does not exist = "0x001"; Error deleting list of errors = "0x002"; Error reading calibrator information = "0x003"; Error reading last calibration date = "0x004";...

  • Page 38: System:local

    PRESYS  Instruments TA-500PS READ? Description: Reads the value of the configured auxiliary input (For this command you must send a CONF command initially). This command returns unity Parameters: --- Response: 1.005 mV SOURce:SetPOint <SP> Description: Change Setpoint Parameters: <SP> -> Setpoint value, without temperature unit e.g. 50.00...

  • Page 39: Safety Instructions

    It is recommended the use of the TA-500PS calibrator in a controlled temperature environment. Do not allow fans or air conditioner outputs to be directed to the temperature surface.

  • Page 40: Calibration (Adjustment)

    PRESYS  Instruments TA-500PS 5 - Calibration (Adjustment) Warning: Enter the following options only after understanding them completely. Otherwise, it may be necessary to return the instrument to the factory for recalibration! Select ADJUST/CAL option from the SETTINGS > SYSTEM menu. You should then enter the password 9875 to access the calibration menu.

  • Page 41: Probe Calibration

    PRESYS  Instruments TA-500PS b) Application of standard resistors: Connect a decade box or standard resistors on terminals RTD1, RTD2, RTD3 and RTD4 (4-wire connection). resistors Point 1 Point 2 20.000  50.000  OHM3 100.000  500.000  OHM2 500.000 ...

  • Page 42: Pid Control Parameters

    PRESYS  Instruments TA-500PS 5.3 - PID Control Parameters The TA-500PS temperature calibrators have a PID control algorithm to calculate the block control output. The dry block stability and response time features are related to the PID parameters, explained below: The K parameter (proportional gain) amplifies the error signal between the setpoint and the block temperature to establish the output signal.

  • Page 43: Maintenance

    Replace the fuse once. If a second fuse blows again, it is because the fault is not that simple. In this case, contact the Presys technical support. In case of malfunction of mA input, the input fuse (250 V/32 mA) can be exchanged.
  • Page 44 Presys www.presys.com.br...

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