Azbil JTD720A User Manual
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Azbil JTD720A User Manual

Azbil JTD720A User Manual

Smart multivariable transmitter
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CM2-DST720-2001
Smart Multivariable Transmitter
Model: JTD720A
User's Manual

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Summary of Contents for Azbil JTD720A

  • Page 1 CM2-DST720-2001 Smart Multivariable Transmitter Model: JTD720A User’s Manual...
  • Page 2 In no event shall Azbil Corporation be liable to anyone for any indirect, special or consequential damages. This information and specifications in this document are subject to change without notice.
  • Page 3 This equipment was tested under a strict quality control program before shipment. If you find any problem in the quality specifications, please contact an Azbil Corporation representative immediately, providing the model name and serial number.
  • Page 4 • Before startup, study the specifications carefully and ensure that the wiring is correct. Wiring errors may cause hardware damage or other malfunctions. • Provide a power supply that matches the specifications of the transmitter. Incorrect power supply may cause hardware damage. Model JTD720A - Smart Multivariable Transmitter...
  • Page 5 Check in advance of using any such equipment, the clearance required to ensure safe operation of the transmitter. When using communications equipment, always maintain a distance at least equal to this distance, between the communication equipment and the transmitter. Close transmitter cover before using communication equipment. Model JTD720A - Smart Multivariable Transmitter...
  • Page 6 This transmitter is precision equipment. Handle it carefully to prevent an accident and damage. Checking accessories In the package you receive from Azbil Corporation or our representative, is included the main unit of a transmitter and the following accessories: •...
  • Page 7 Handling precautions For use in hazardous areas, a cable gland that complies with GB3836.1-2010 and GB3836.2-2010 and that has been certified by NEPSI as Ex d IIC must be used for the conduit opening. Model JTD720A - Smart Multivariable Transmitter...

  • Page 8: Table Of Contents

    Table of Contents Chapter 1 : Functions, Configurations, and Structures of model JTD720A and communicator 1-1 : Function and Configuration ................1-1 1-2 : Digital indicator (optional) ................1-2 Main display ....................1-2 Sub display ...................... 1-3 1-3 : General information and procedures for configuration ........1-5 1-4 : Field Communication Software model CFS100 Functionality and Configuration 1-6 1-4-1 : Introduction ..................
  • Page 9 Table of Contents Conduit pipe..................2-12 Grounding ..................2-12 Supply power .................. 2-12 2-3-2 : Wiring for explosion-proof model ............2-14 2-4 : Changing process connection port position ........... 2-15 2-4-1 : Changing the vertical position of the process connection port ... 2-15 Chapter 3 : Starting and Stopping this Device 3-1 : Operation Preparation ..................
  • Page 10 List of Figures & Tables Figures Figure 1-1 Digital indicator ....................1-1 Figure 2-1 Name plate and conformance mark ............... 2-3 Figure 2-2 Installing the transmitter ..................2-4 Figure 2-3 Equipment for line mounting ................2-4 Figure 2-4 3-way manifold valve (Model MVG1) ..............2-7 Figure 2-5 Extension pipe .......................

  • Page 11: Chapter 1 : Functions, Configurations, And Structures Of Model Jtd720A And Communicator

    Azbil Corporation Functions, Configurations, and Structures of model JTD720A and communicator Chapter 1 : Functions, Configurations, and Structures of model JTD720A and communicator 1-1 : Function and Configuration The differential pressure transmitter with temperature/pressure compensation, model JTD 720A, is designed for gas flow measurement.

  • Page 12: Digital Indicator (Optional)

    Functions, Configurations, and Structures of model JTD720A and communicator Azbil Corporation Di erential pressure DP Density calculated from static pressure DP–LRV × Static pressure PP URV–LRV Density calculated from design pressure Figure 1-4 Block diagram of calculation by transmitter with temperature/pressure...

  • Page 13: Sub Display

    Azbil Corporation Functions, Configurations, and Structures of model JTD720A and communicator INPUT mode: When the simulated value (DP,PP,TP) is input, displays the compensated output in % or engineering unit. Sub display Measurement mode Displays the liner/square root , engineering unit, process pressure, and process temperature(only connected with RTD).
  • Page 14 Functions, Configurations, and Structures of model JTD720A and communicator Azbil Corporation OUTPUT mode D S P N m 3 / H L O O P T E S T • Displays “LOOP TEST”. INPUT mode: D S P N m 3 / H...

  • Page 15: General Information And Procedures For Configuration

    Azbil Corporation Functions, Configurations, and Structures of model JTD720A and communicator 1-3 : General information and procedures for configuration The model JTD720 Differential Pressure Transmitter has six operation modes: MEASURE mode, DP mode, PP mode, PT mode, INPUT mode, and OUTPUT mode, as shown in Table 1-1.

  • Page 16: Field Communication Software Model Cfs100 Functionality And Configuration

    With Model CFS100, communication is carried out by connecting a communication interface to a USB port of a PC, and connecting a communication cable to a communication terminal of an Azbil smart device.

  • Page 17: Usage Environment

    Azbil Corporation Functions, Configurations, and Structures of model JTD720A and communicator 1-4-4 : Usage Environment The usage environment of the communication interface (CFS100 SFN DE) is as shown below. Operating temperature: 0 - 50 °C Operating humidity: 5 - 95 % However, if the environmental conditions of the PC being used are stricter than the conditions above, use the interface within the usage condition range of the PC.
  • Page 18 Functions, Configurations, and Structures of model JTD720A and communicator Azbil Corporation Model JTD720A - Smart Multivariable Transmitter...

  • Page 19: Chapter 2 : Installation

    Install such models at least 1 m remote from plant equipment producing strong magnetic interference as over 10 gauss measured where a motor or a pump is installed. Model JTD720A - Smart Multivariable Transmitter...

  • Page 20: Environmental Conditions For Tiis Explosion-Proof Transmitter

    AMBIENT TEMP refers to the ambient temperature of the transmitter and METER BODY TEMP refers to the temperature of the meter body that is in contact with the liquid. The low limit is -15°C for both ambient temperature and meter body temperature. Model JTD720A - Smart Multivariable Transmitter...

  • Page 21: Reference Document

    Figure 2-1 Name plate and conformance mark Reference document Recommended Practices for Explosion-Protected Electrical Installations in General Industries (Technical Recommendation of the National Institute of Occupational Safety and Health) Model JTD720A - Smart Multivariable Transmitter...

  • Page 22: Installing The Transmitter

    2-inch pipe depends on the installation direction. Installation on a horizontal pipe Installation on a vertical pipe Transmitter xing bolt Bracket U-bolt Nuts for U-bolt 2-inch pipe Figure 2-2 Installing the transmitter Figure 2-3 Equipment for line mounting Model JTD720A - Smart Multivariable Transmitter...

  • Page 23: Transmitter Main Unit Installation Position

    1. Fix the high pressure and low pressure side diaphragms at the same height and make sure that the input pressure to the transmitter is uniform. 2. Using model CFS100, check the output of this device. If the output is not zero, adjust the zero point. Model JTD720A - Smart Multivariable Transmitter...

  • Page 24: Piping

    It is generally sufficient to use a 3-way manifold valve and connect an extension pipe. Since the model JTD720A has separate connector ports for high and low pressure, distinguish them correctly for installation work. A 3-way manifold valve is optional.

  • Page 25: High-Pressure Marking

    Prepare in advance the following parts and always refer to the illustration. • 3-way manifold valve • Pipe • Main valve • Union or flange • • Drain valve • Drain plug • Vent plug • Seat pot (for steam flow rate measurement only) Model JTD720A - Smart Multivariable Transmitter...

  • Page 26: Piping For Liquid Gas Or Steam Flow Rate Measurement

    Drain plug Figure 2-7 Piping for gas or liquid flow rate measurement The illustration shows a typical example of piping for the transmitter located above the differential pressure port of the process pipe. Model JTD720A - Smart Multivariable Transmitter...

  • Page 27: Figure 2-8 Pipe For Gas Or Liquid Flow Measurement

    Figure 2-8 Pipe for gas or liquid flow measurement The illustration shows a typical example of piping for steam flow that the transmitter is located below the differential pressure output port of the process pipe. Model JTD720A - Smart Multivariable Transmitter...

  • Page 28: Figure 2-9 Piping For Steam Flow Measurement

    Note that, with stepped seal pots, it is not possible to adjust the zero point in the usual way using a 3-way manifold valve. Use model CFS100 to adjust a zero point that shifted when seal pots at stepped positions were filled with water. 2-10 Model JTD720A - Smart Multivariable Transmitter...

  • Page 29: Electrical Wiring

    Figure 2-10 Wiring ~Note Load resistance of at least 250 W is required for communicator. If total load resistance of the receiver is less than 250 W , install the necessary resistance to the loop. Model JTD720A - Smart Multivariable Transmitter 2-11...

  • Page 30: Conduit Pipe

    Welding current may influence measurements. Supply power Confirm the relationship between the external load resistance and the supply voltage. As shown in the illustration, the relationship should be inside the shaded area. 2-12 Model JTD720A - Smart Multivariable Transmitter...

  • Page 31: Figure 2-11 Supply Voltage And Load Resistance Characteristics

    Azbil Corporation Installation 1243 Operating range 23.4 Figure 2-11 Supply voltage and load resistance characteristics Model JTD720A - Smart Multivariable Transmitter 2-13...

  • Page 32: Wiring For Explosion-Proof Model

    When running cables into this device, use the included pressure-resistant packing cable adapter shown in the figure below or a conduit fitting. Use cables that are temperature-resistant to at least 65 °C Pressure-resistant packing cable adapter Figure 2-13 Pressure-resistant packing cable adapter 2-14 Model JTD720A - Smart Multivariable Transmitter...

  • Page 33: Changing Process Connection Port Position

    5. Screw the vent/drain plugs into the bottom of this device. Tighten the plugs to the specified torque 5 ± 0.3 N·m. Use the same procedure (making the necessary changes) when moving the connection port from the top to the bottom. Model JTD720A - Smart Multivariable Transmitter 2-15...
  • Page 34 Installation Azbil Corporation 2-16 Model JTD720A - Smart Multivariable Transmitter...

  • Page 35: Chapter 3 : Starting And Stopping This Device

    Field Communication Software Model: CFS100 (Common Edition) User’s Manual : CM2-CFS100-2001 Field Communication Software Model: CFS100 Instruction Manual (Smart Transmitter Model JTD720A Edition : CM2-CFS100-2007 Advanced Transmitter(HART Version 5) Before connecting to this device, be sure to read the operation manual carefully. Model JTD720A - Smart Multivariable Transmitter...

  • Page 36: Operation Preparation

    Supply + terminal Black cable: Supply - terminal ~Note External load resistance must be at least 250 W for the communication. Communication cable Black cable cable 250Ω Receiver Power supply 24V DC Figure 3-1 Communicator Connection Model JTD720A - Smart Multivariable Transmitter...

  • Page 37: Tag Number Configuration And Checking Various Settings

    Double-clicking Tag displays the settings screen. On this screen, set the Tag and click the Set button. The tag is highlighted in yellow. Click the Send button to send the new Tag to the transmitter. Send Model JTD720A - Smart Multivariable Transmitter...

  • Page 38: Output Format Configuration

    → → Note: If the software version of the device is Ver.7.7 or earlier then this item is not supported and so is not displayed. To set to % display, configure in EU Units. Model JTD720A - Smart Multivariable Transmitter...
  • Page 39 Note: If the device software version is 7.7 or earlier, select % or engineering unit (Eng. Unit) for “EU Units.” When set to % display, the device displays 0 to 100% regardless of the EULO and EUHI values. Model JTD720A - Smart Multivariable Transmitter...

  • Page 40: Checking Or Setting The Lower And Upper Limits Of Indicator

    EULO and EUHI values are the upper and lower limits for engineering units (scale readings) displayed on the indicator. They are displayed in the range of -19999 to +19999. Select [Device Setup] [Detailed setup] [Display Condition] [EULO]/[EUHI]. → → → Model JTD720A - Smart Multivariable Transmitter...

  • Page 41: Damping Time Constant Configuration

    [Damping]. → → The following values can be input. If a value other than the following is input, the closest value is automatically selected. Unit:s 0.16 0.32 0.48 1.00 2.00 4.00 8.00 16.0 32.0 Model JTD720A - Smart Multivariable Transmitter...

  • Page 42: Checking Or Setting The Design Pressure

    3-2-7 : Checking or setting the design temperatue When Compensation Formula is set at Tomp comp. or Temp. pressure comp., it is effective. Select [Device Setup] [Detailed setup] [Flow Compensation] [Ref. PT]. → → → Model JTD720A - Smart Multivariable Transmitter...

  • Page 43: Setting The Temperature-Pressure Correction

    [Flow Compensation] [Compensation → → → Formula]. The formula can be selected from the following. No comp No correction Pressure comp. Pressure correction Temp. comp. Temperature correction Temp. pressure comp. Temperature and pressure correction Model JTD720A - Smart Multivariable Transmitter...

  • Page 44: Checking Or Setting The Static Pressure Elevation

    When Compensation Formula is set at Pressure comp. or Temp. pressure comp., it is effective. It is also effective when the measured gas is set to Saturated Steam. Select [Device Setup] [Detailed setup] [Flow Compensation] [PP ELV]. → → → 3-10 Model JTD720A - Smart Multivariable Transmitter...

  • Page 45: Measurement

    (2) Fill the pressure-receiving part of the device with process fluid. (1) Gradually open the stop valve on the high pressure side. When it is filled with process fluid, close the valve. Model JTD720A - Smart Multivariable Transmitter 3-11...
  • Page 46 (2) Using the communicator, check the device output. If the output is not zero, calibrate the zero point. For information regarding the zero point calibration procedure, see the operation manual for the communicator. Note: Have the required equipment on hand before starting zero-point calibration. 3-12 Model JTD720A - Smart Multivariable Transmitter...
  • Page 47 After checking the measured values, confirm that the device’s case cover is securely closed. If it is not securely closed, rainwater and the like can enter the device and cause damage to the terminals, electronics modules, etc., located inside. Model JTD720A - Smart Multivariable Transmitter 3-13...
  • Page 48 • Leave the equalizer valve open. If it is left closed, output of other than zero can occur when the power is turned on to restart operation. 3-14 Model JTD720A - Smart Multivariable Transmitter...
  • Page 49 Azbil Corporation Starting and Stopping this Device Model JTD720A - Smart Multivariable Transmitter 3-15...
  • Page 50 Starting and Stopping this Device Azbil Corporation 3-16 Model JTD720A - Smart Multivariable Transmitter...

  • Page 51: Chapter 4 : Instrument Maintenance And Troubleshooting

    When loosening through bolts and nuts to remove the device, hold the drain ring assembly to prevent it from falling off. If it falls because sufficient care is not taken, it can cause injuries or product damage. Model JTD720A - Smart Multivariable Transmitter...

  • Page 52: Attaching And Detaching The Case Cover

    For information on how to install the case cover, see section 2-4-1 (7). Caution After detaching the case cover, be careful that dust, rainwater, etc., do not enter the inside of the transmitter case. Lock Figure 4-1 Locking the Device Model JTD720A - Smart Multivariable Transmitter...

  • Page 53: Attaching And Detaching The Main Unit Cover

    If the seal gaskets are damaged, replace them with new ones. Table 4-1 Cover Bolt and Nut Tightening Torques (N·m) Bolt and Nut Tightening Torques (N·m) Bolt/Nut Bolt/Nut Material When Using New When Reusing Gaskets Gaskets Carbon steel 22±2 17±1 SUS304 15±2 10±1 Model JTD720A - Smart Multivariable Transmitter...

  • Page 54: Cleaning The Device

    When measuring and stopping operation of a device in a cold area in which there is a risk that water (etc.) may freeze, remove the water from the main unit. Loosen the drain plugs. Model JTD720A - Smart Multivariable Transmitter...

  • Page 55: Calibration Of The Setting Range And Output Signal

    15 to 35 °C range, or if humidity is in the 45 to 75% range. Model JTD720A - Smart Multivariable Transmitter...
  • Page 56 (Smart Transmitter Model JTD720A Edition) CM2-CFS100-2007 (7) Measurement Range Calibration Procedure See the operation manuals for the respective communicators. Field Communication Software CommStaff Model: CFS100 Instruction Manual (Smart Transmitter Model JTD720A Edition) CM2-CFS100-2007 • Model JTD720A - Smart Multivariable Transmitter...

  • Page 57: Calibrating The Differnetial Pressure Sensor

    This section explains the general procedures for transmitter maintenance. 4-2-2-1 Calibrating the differential pressure For the JTD720A series smart multivariable transmitters, the measurement range must be calibrated at two points, namely the LRV (input value at 0% output) and URV (input value at 100% output).
  • Page 58 After clearing the differential pressure mode, the “Note - Loop may be returned to • automatic control” message is displayed to notify you that you can now switch back to automatic control. Click OK. Model JTD720A - Smart Multivariable Transmitter...
  • Page 59 • After clearing the differential pressure mode, the “Note - Loop may be returned to automatic control” message is displayed to notify you that you can now switch back to automatic control. Click OK. Model JTD720A - Smart Multivariable Transmitter...

  • Page 60: Calibrating The Static Pressure Sensor

    After clearing the pressure mode, the “Note - Loop may be returned to automatic • control” message is displayed to notify you that you can now switch back to automatic control. Click OK. 4-10 Model JTD720A - Smart Multivariable Transmitter...
  • Page 61 After clearing the pressure mode, the “Note - Loop may be returned to automatic • control” message is displayed to notify you that you can now switch back to automatic control. Click OK. Model JTD720A - Smart Multivariable Transmitter 4-11...

  • Page 62: Calibrating A Temperature Sensor

    • After clearing the pressure mode, the “Note - Loop may be returned to automatic control” message is displayed to notify you that you can now switch back to automatic control. Click OK. 4-12 Model JTD720A - Smart Multivariable Transmitter...

  • Page 63: Output Signal Calibration

    250 Ω ± 0.005% • Communicator: Model CFS100 (3) Output Signal Calibration Procedure See the operation manuals for the respective communicators. Field Communication Software CommStaff Model: CFS100 Instruction Manual (Smart Transmitter Model JTD720A Edition) CM2-CFS100-2007 Model JTD720A - Smart Multivariable Transmitter 4-13...

  • Page 64: Troubleshooting

    • Whether the power supply voltage, load resistance, etc., are in accordance with the specifications • Whether the pressure and temperature are in accordance with the specifications • Whether there are any strong sources of magnetism or electrical noise nearby 4-14 Model JTD720A - Smart Multivariable Transmitter...

  • Page 65: Checking Self-Diagnostic Messages

    Azbil Corporation Instrument maintenance and troubleshooting 4-4-2 : Checking Self-diagnostic Messages You can check self-diagnostic messages by clicking the Status icon in the below or “Device status” in the “Display” menu. Status Model JTD720A - Smart Multivariable Transmitter 4-15...

  • Page 66: Status Message

    Contact appropriate personnel. Status 7-3 Unknown error Contact appropriate personnel. Status 7-4 Unknown error Contact appropriate personnel. Status 7-5 Unknown error Contact appropriate personnel. Status 7-6 Unknown error Contact appropriate personnel. Status 7-7 4-16 Model JTD720A - Smart Multivariable Transmitter...
  • Page 67 Contact appropriate personnel. Status 3-4 Unknown error Contact appropriate personnel. Status 3-5 Unknown error Contact appropriate personnel. Status 3-6 Unknown error Contact appropriate personnel. Status 3-7 Unknown error Contact appropriate personnel. Status 4-0 Model JTD720A - Smart Multivariable Transmitter 4-17...
  • Page 68 Contact appropriate personnel. Status 5-7 Unknown error Contact appropriate personnel. Status 6-0 Unknown error Contact appropriate personnel. Status 6-1 Unknown error Contact appropriate personnel. Status 6-2 Unknown error Contact appropriate personnel. Status 6-3 4-18 Model JTD720A - Smart Multivariable Transmitter...
  • Page 69 Contact appropriate personnel. Status 9-3 Unknown error Contact appropriate personnel. Status 9-4 Unknown error Contact appropriate personnel. Status 9-5 Unknown error Contact appropriate personnel. Status 9-6 Unknown error Contact appropriate personnel. Status 9-7 Model JTD720A - Smart Multivariable Transmitter 4-19...
  • Page 70 Azbil Corporation 4-20 Model JTD720A - Smart Multivariable Transmitter...
  • Page 72 Warranty period and warranty scope 1.1 Warranty period Azbil Corporation’s products shall be warranted for one (1) year from the date of your purchase of the said products or the delivery of the said products to a place designated by you.
  • Page 73 Although acceleration of the above situation varies depending on the conditions or environment of use of the products, you are required not to use any Azbil Corporation’s products for a period exceeding ten (10) years unless otherwise stated in specifications or instruction manuals.
  • Page 75 Document Number: CM2-DST720-2001 Document Name: Smart Multivariable Transmitter Model JTD720A User’s Manual Date: 1st edition: Nov. 2004 4th edition: Mar. 2020 Issued/Edited by: Azbil Corporation...

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