Mitsubishi AJ65BT-64RD3 User Manual
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Mitsubishi AJ65BT-64RD3 User Manual

Mitsubishi AJ65BT-64RD3 User Manual

Pt 100 temperature input module
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Pt 100 Temperature Input Module Type AJ65BT-
64RD3/AJ65BT-64RD4 User's Manual

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  • Page 1 Pt 100 Temperature Input Module Type AJ65BT- 64RD3/AJ65BT-64RD4 User's Manual...
  • Page 3 Before using this product, please read this manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly. These precautions apply only to Mitsubishi equipment. Refer to the user's manual of the used CPU module for a description of the programmable controller system safety precautions.
  • Page 4 [Installation Precautions] CAUTION Use the programmable controller in an environment that meets the general specifications in this manual. Failure to do so may result in electric shock, fire, malfunction, or damage to or deterioration of the product. For protection of the switches, do not remove the cushioning material before installation. Securely fix the module with a DIN rail or mounting screws.
  • Page 5 [Wiring Precautions] CAUTION Do not install the control lines or communication cables together with the main circuit lines or power cables. Failure to do so may result in malfunction due to noise. When disconnecting the cable from the module, do not pull the cable by the cable part. Loosen the screws of connector before disconnecting the cable.
  • Page 6 PRODUCT in one or more of the Prohibited Applications, provided that the usage of the PRODUCT is limited only for the specific applications agreed to by Mitsubishi and provided further that no special quality assurance or fail-safe, redundant or other safety features which exceed the general specifications of the PRODUCTs are required.
  • Page 7 Japanese Manual Version SH-3652-G This manual does not imply guarantee or implementation right for industrial ownership or implementation of other rights. Mitsubishi Electric Corporation is not responsible for industrial ownership problems caused by use of the contents of this manual.

  • Page 8: Table Of Contents

    Introduction Thank you for purchasing the Mitsubishi Graphic Operation Terminal. Before using the equipment, please read this manual carefully to develop full familiarity with the functions and performance of the graphic operation terminal you have purchased, so as to ensure correct use.
  • Page 9 Wiring................................4-10 4.7.1 Wiring example with CC-Link modules ....................4-10 4.7.2 Precautions when wiring to a platinum temperature-measuring resistor ..........4-11 4.7.3 Connecting AJ65BT-64RD3 and platinum temperature-measuring resistor.......... 4-11 4.7.4 Connecting AJ65BT-64RD and platinum temperature-measuring resistor..........4-12 PROGRAMMING 5-1 to 5-17 Programming Procedure...........................
  • Page 10 (1) For programmable controller system To configure a system meeting the requirements of the EMC and Low Voltage Directives when incorporating the Mitsubishi programmable controller (EMC and Low Voltage Directives compliant) into other machinery or equipment, refer to the "EMC AND LOW VOLTAGE DIRECTIVES" chapter of the User's Manual for the CPU module used.
  • Page 11 About Generic Terms and Abbreviations Unless otherwise specified, this manual uses the following generic terms and abbreviations to explain the AJ65BT-64RD3/AJ65BT-64RD4 platinum temperature-measuring resistor Pt100 temperature input module. Generic Term/ Description Abbreviation GX Developer Product name of the software package for the MELSEC programmable controllers.
  • Page 12 Packing List This product consists of the following items. Product name Quantity AJ65BT-64RD3 platinum temperature-measuring resistor Pt100 temperature input module AJ65BT-64RD4 platinum temperature-measuring resistor Pt100 temperature input module AJ65BT-64RD3/AJ65BT-64RD4 platinum temperature-measuring resistor Pt100 temperature input module user's manual (hardware)
  • Page 13 MEMO...

  • Page 14: Overview

    This user's manual explains the specifications, part identification and wiring for the products listed below, which are used as remote device stations for the CC-Link system: The AJ65BT-64RD3 is a 3-wire system connecting module for the platinum temperature-measuring resistor. The AJ65BT-64RD4 is a 4-wire system connecting module for the platinum temperature-measuring resistor.

  • Page 15: System Configuration

    2. SYSTEM CONFIGURATION MELSEC-A SYSTEM CONFIGURATION System configuration when using the AJ65BT-64RD is explained below. Overall Configuration The overall configuration when using the AJ65BT-64RD is shown below.

  • Page 16: Applicable Systems

    The module where "9707 B" is not indicated in the DATE column cannot be used. <Large type> <Small type> MITSUBISHI CPU UNIT PROGRAMMABLE CONTROLLER MODEL DATE 9707 DATE 9707 MITSUBISHI ELECTRIC CORPORATION JAPAN BD992D008H40 MITSUBISHI ELECTRIC BD992D008H40 Date of Function Date of Function manufacture version manufacture...

  • Page 17: Specifications

    3. SPECIFICATIONS MELSEC-A SPECIFICATIONS This section explains the AJ65BT-64RD the general specifications, performance specifications, and transmission specifications. General Specification This section explains the AJ65BT-64RD general specifications. Table 3.1 General Specification Item Specifications Ambient operating ° 0 to 55 temperature Ambient storage temperature -20 to 75 °...

  • Page 18: Performance Specification

    3. SPECIFICATIONS MELSEC-A Performance Specification The performance specification of the AJ65BT-64RD is explained below. Item AJ65BT-64RD3 AJ65BT-64RD4 Measurement method 3-wire 4-wire Connectable platinum temperature- Pt 100, JPt 100 measuring resistor 1 mA Output current for detecting temperature Temperature input range –180 to 600 °C...

  • Page 19: Specifications When Connecting To A Platinum Temperature-Measuring Resistor

    3. SPECIFICATIONS MELSEC-A Performance specification (continued) Item AJ65BT-64RD3 AJ65BT-64RD4 External power supply 24 V DC (18 to 30 V DC) Internal consumed current 0.17 A (at 24VDC) Allowable momentary power failure period Weight 0.38 (0.84) kg (lb.) *1 : Conversion speed is the time until it is converted to the corresponding digital value after the temperature has been input, and then stored in the remote register.

  • Page 20: Data Link Processing Time

    3. SPECIFICATIONS MELSEC-A 3.2.2 Data link processing time For the AJ65BT-64RD, the data link processing time shown below will be required in order to execute each function. For details of the link scan time, refer to the user's manual (details) of the used mater module. Example) Data link processing time in asynchronous mode when the master module is the QJ61BT11 (normal value) (1) Mater station (RY) →...

  • Page 21: Function

    3. SPECIFICATIONS MELSEC-A Function The function of AJ65BT-64RD is explained below. 3.3.1 Function list Below is a function list of the AJ65BT-64RD. Item Description Reference section • Performs conversion enable/disable settings by channel. Conversion enable/disable (Default ······ All channels disabled) Section 3.3.2 designation •...

  • Page 22: Conversion Enable/Disable Designation

    3. SPECIFICATIONS MELSEC-A 3.3.2 Conversion enable/disable designation Conversion may be enabled or disabled for each channel individually. The setting of the conversion is made through the CH. conversion enable flags (RYn0 to RYn3). Setting Description Wire breakage detection is conducted at the same time the temperature of the target object is taken. Neither temperature detection nor wire breakage detection is conducted.

  • Page 23: Sampling Processing/Travel Average Processing Designation

    3. SPECIFICATIONS MELSEC-A 3.3.3 Sampling processing/travel average processing designation The AJ65BT-64RD may designate sampling processing or travel average processing for each individual channel. The setting of sampling processing or travel average processing is made through the CH. sampling processing/travel average processing designation flags (RYn4 to RYn7). Setting Description Travel average processing...
  • Page 24 3. SPECIFICATIONS MELSEC-A (2) Sampling processing Stores the detected temperature value and scaling value are stored in the remote register by each sampling time. Sampling time Remote register [°C] 1st storage Detected 2nd storage temperature value 3rd storage Time [ms] The data transition inside the remote register 1st storage 2nd storage...

  • Page 25: Wire Breakage Detection

    3. SPECIFICATIONS MELSEC-A 3.3.4 Wire breakage detection The AJ65BT-64RD detects wire breakage in the platinum temperature-measuring resistor or cable used for each channel, and turns on the wire breakage detection flag (RXn4 to RXn7) for the corresponding channel. On the AJ65BT-64RD, the wire breakage detection are performed for channels that are enabled for conversion.

  • Page 26: Detected Temperature

    3. SPECIFICATIONS MELSEC-A 3.3.5 Detected temperature Temperatures in the range of -180 °C to +600 °C can be detected using the AJ65BT-64RD. Of the temperature detected, the values to the first place and third place below decimal point are stored in the remote register (Refer to Section 4.7). (1) Value to the first place below decimal point The value to the first place below the decimal point of the detected temperature is multiplied by 10, then stored as 16-bit signed binary data.

  • Page 27: I/O Signals In Respect To The Master Module

    3. SPECIFICATIONS MELSEC-A I/O Signals in Respect to the Master Module The assignment of remote I/O signals and the functions is explained. 3.4.1 Remote I/O signal list The AJ65BT-64RD uses 128 points for input and 128 points for output in respect to the data for the master module.

  • Page 28: I/O Signal Functions

    3. SPECIFICATIONS MELSEC-A 3.4.2 I/O signal functions The function of each remote I/O signal for the AJ65BT-64RD is explained below. (1) Remote Input signal Device No. Signal name Description The conversion completion flag turns on when the detected temperature value at all conversion enabled channel is stored in the remote register after power on or a hardware reset.
  • Page 29 3. SPECIFICATIONS MELSEC-A (2) Remote output signal Device No. Signal name Description It is possible to designate the conversion enabled or disabled for each channel. By disabling the conversion at channels not in use, generation of unnecessary wire breakage detection flags may be prevented and sampling time may be reduced. ON : Conversion enabled ..

  • Page 30: Remote Register

    3. SPECIFICATIONS MELSEC-A Remote Register The AJ65BT-64RD is equipped with remote registers for data communication with the master module. The assignment and data structure of the remote register are explained below. 3.5.1 Remote register assignment The remote register assignments are shown in the table below. Communicati Reference Address...

  • Page 31: Remote Register For Storing Detected Temperature (Address: Rwrn To Rwrn+11)

    3. SPECIFICATIONS MELSEC-A 3.5.2 Remote register for storing detected temperature (Address : RWrn to RWrn+11) AJ65BT-64RD has two types of remote registers, for 16-bit data and 32-bit data, to store the detected temperature values that are converted into digital values. (1) 16-bit data storage (Address : RWrn to RWrn+3) The value to the first place below decimal point of the detected temperature is multiplied by 10, then stored as 16-bit signed binary data.

  • Page 32: Setting And Procedure Before Operation

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A SETTING AND PROCEDURE BEFORE OPERATION The procedure before operation of AG65BT-64RD, part identification and setting, and the wiring method are explained below. Procedure before Operation The procedure before operation of AJ65BT-64RD is explained below. Start Set the switches listed below on AJ65BT-64RD.

  • Page 33: Handling Precautions

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A Handling Precautions The handling precautions for AJ65BT-64RD is explained below. • Securely fix the module with a DIN rail or mounting screws. Tighten the screws CAUTION within the specified torque range. Undertightening can cause drop of the screw, short circuit or malfunction. Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.

  • Page 34: Part Identification And Setting

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A Part Identification and Setting The part identification and setting method for AJ65BT-64RD is explained below. B RATE STATION NO. MITSUBISHI MELSEC AJ65BT-64RD • • • • • • • • L RUN MODE OFFSET...
  • Page 35 L ERR. Flicker at irregular intervals: Indicates that the terminating resistor is not installed or the module or CC-Link dedicated cable is affected by noise. OFF: Normal communication AJ65BT-64RD3 +24V (FG) Terminal block AJ65BT-64RD4 +24V...

  • Page 36: Error Compensation By The Offset Value/Gain Value Setting

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A Error Compensation by the Offset Value/Gain Value Setting The AJ65BT-64RD error compensation is a function that compensates values at arbitrary 2 points (offset value/gain value) within the usage temperature range at system startup or when a correct temperature cannot be detected.
  • Page 37 4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A POINT • The offset value/gain value can be obtained with a high accuracy when error compensation is carried out at the minimum and maximum temperatures in the range used. • Set the offset value/gain value while monitoring the detected temperature value, using a peripheral device.

  • Page 38: Initial Settings For Error Compensation

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A 4.4.1 Initial settings for error compensation The following shows the initial settings using a program designed for executing error compensation. Start Create a program that designates a sampling processing and travel average processing *1 Create a program that reads the detected temperature values *1 Only when executing error compensation with the value detected by travel average processing.

  • Page 39: Error Compensation Procedure

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A 4.4.2 Error compensation procedure The following shows the flow of error compensation. Start Set the mode switch to 9 for test mode. Input a value to be the gain value. Check that RUN LED is turned OFF. AJ65BT-64RD MODE Or, input standard...

  • Page 40: Station Number Setting

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A Station Number Setting The buffer memory addresses of the master module, where the remote I/O signals and read/write data are stored, are determined by the station number setting of the AJ65BT-64RD. For details, refer to the user's manual (details) of the used master module. Orientation of Module Installation The following shows the possible orientation for AJ65BT-64RD installation.

  • Page 41: Wiring

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A Wiring 4.7.1 Wiring example with CC-Link modules The following shows the connection between the AJ65BT-64RD and master module using CC-Link dedicated cable. POINT For the modules at both ends of the data link, make sure to connect the “terminal resistor” that is attached to a master module (connect between DA and DB).

  • Page 42: Precautions When Wiring To A Platinum Temperature-Measuring Resistor

    If they are placed close to each other, the platinum temperature-measuring resistor is influenced more easily by the noise, surge, or conductivity. 4.7.3 Connecting AJ65BT-64RD3 and platinum temperature-measuring resistor (1) The highest accuracy can be obtained if a 3-wire type platinum temperature-measuring resistor is used for AJ65BT-64RD3.

  • Page 43: Connecting Aj65Bt-64Rd And Platinum Temperature-Measuring Resistor

    4. SETTING AND PROCEDURE BEFORE OPERATION MELSEC-A 4.7.4 Connecting AJ65BT-64RD and platinum temperature-measuring resistor (1) The highest accuracy can be obtained if a 4-wire type platinum temperature-measuring resistor is used for AJ65BT-64RD4. The following shows a connection example of a 4-wire type platinum temperature-measuring resistor.

  • Page 44: Programming

    5. PROGRAMMING MELSEC-A PROGRAMMING The programming procedure, basic programming for read and write, as well as programming examples are explained below. When utilizing the program examples introduced in this chapter for an actual system, fully verify that controllability in the target system has no problems. Refer to the user's manual (details) of the used master module for the master module, to Section 3.5 for the remote registers, and to the AnSHCPU/AnACPU/AnUCPU/QCPU-A (A mode) programming manual (dedicated Instructions) for details of the dedicated instructions.

  • Page 45: Program Example Conditions

    5. PROGRAMMING MELSEC-A Program Example Conditions The program examples given in this chapter have been created under the following conditions. (1) System configuration...
  • Page 46 5. PROGRAMMING MELSEC-A (2) Relationships between programmable controller CPU, master module and AJ65BT-64RD POINT Depending on the used CPU module, the devices used in the program examples of this chapter may not be applicable. For the device setting ranges, refer to the user's manual of the used CPU module.
  • Page 47 5. PROGRAMMING MELSEC-A (3) Initial setting Setting item Description CH. 1 sampling processing/travel average Travel average processing processing designation flag (RY04) CH. 2 sampling processing/travel average Travel average processing processing designation flag (RY05) Offset/gain value selection flag (RY77) Factory setting (4) Other settings Setting item Description...

  • Page 48: Program Examples When Qcpu (Q Mode) Is Used

    5. PROGRAMMING MELSEC-A Program Examples when QCPU (Q Mode) Is Used The network parameters and auto refresh parameters have been set by GX Developer. Initial setting can be made easily by using the remote device station initialization procedure registration function. (1) Parameter setting (a) Network parameter setting (b) Auto refresh parameter setting...
  • Page 49 5. PROGRAMMING MELSEC-A (2) Initial setting by remote device station initialization procedure registration function (a) Target station number setting Set the target station number of initial setting. Set the target station number to "1". (b) Procedure registration setting The initial setting is registered to the AJ65BT-64RD when the initial data processing request flag (RX78) turns ON and Remote device station initialization procedure registration (SB0D) is set.
  • Page 50 5. PROGRAMMING MELSEC-A (3) Program example...
  • Page 51 5. PROGRAMMING MELSEC-A *1: When making remote device station initialization procedure registration to multiple stations, correct the program within the dotted line 1) as shown below. [System configuration] [Corrected program] • RX(m+7)9 and RX(n+7)9 are initial data setting completion flags. •...
  • Page 52 5. PROGRAMMING MELSEC-A [Usage in combination with other remote device stations] (1) Depending on the remote device stations to be used, the program enclosed by the dotted line 1) has two programming patterns as shown in the above and the below figures. (To check which pattern can be used, refer to the manual for the remote device to be used.) [System configuration] Master station...
  • Page 53 5. PROGRAMMING MELSEC-A (2) When using the program enclosed by the dotted line 1) in combination with other remote device stations, correct the program as shown below. [System configuration] [Corrected program] Note that the master module can register the initialization procedure of only the specified station out of the multiple remote device stations.

  • Page 54: Program Examples When Qnacpu Is Used

    5. PROGRAMMING MELSEC-A Program Examples when QnACPU Is Used The network parameters and auto refresh parameters have been set by GX Developer. (1) Parameter setting (a) Network parameter setting (b) Auto refresh parameter setting 5-11...
  • Page 55 5. PROGRAMMING MELSEC-A (3) Program example AJ65BT-64RD status check Reads data link status. AJ65BT-64RD data link normal AJ65BT-64RD data link abnormal Initial setting CH. 1 sampling processing/ travel average processing designation flag (RY04) CH. 2 sampling processing /travel average processing designation flag (RY05) Offset/gain value selection flag (RY77)

  • Page 56: Program Example When Acpu/Qcpu (A Mode) Is Used (Dedicated Instructions)

    5. PROGRAMMING MELSEC-A Program Example when ACPU/QCPU (A Mode) Is Used (Dedicated Instructions) The network parameters and auto refresh parameters have been set by the sequence program. (1) Program example Network parameter setting by dedicated instruction RLPA Synchronous mode invalid Number of connected modules: 1 AJ65BT-64RD station...
  • Page 57 5. PROGRAMMING MELSEC-A SB head number setting "B" setting B0 setting 512 points setting SW head number setting "W" setting W0 setting 256 points setting Dedicated instruction (RRPA) Master module head I/O No. Parameter storage head device AJ65BT-64RD status check Reads data link status.
  • Page 58 5. PROGRAMMING MELSEC-A Conversion enable/disable designation CH. 1 conversion enable Turns ON CH. 1 conversion enable flag (RY00). CH. 2 conversion enable CH . 2変変許許 Turns ON CH. 2 conversion enable flag (RY01). Detected temperature value read Reads CH. 1 detected temperature value (16 bits) (RWr0).

  • Page 59: Program Example When Acpu/Qcpu (A Mode) Is Used (From/To Instructions)

    5. PROGRAMMING MELSEC-A Program Example when ACPU/QCPU (A Mode) Is Used (FROM/TO Instructions) The network parameters have been set by the sequence program. (1) Program example 5-16...
  • Page 60 5. PROGRAMMING MELSEC-A Initial setting CH. 1 sampling processing/ travel average processing designation flag (RY04) CH. 2 sampling processing /travel average processing designation flag (RY05) Offset/gain value selection flag (RY77) Turns ON initial data processing completion flag (RY78). Turns OFF initial data processing completion flag (RY78).

  • Page 61: Troubleshooting

    6. TROUBLESHOOTING MELSEC-A TROUBLESHOOTING The general troubleshooting methods for using AJ65BT-64RD is explained below. Cause of Errors and Corrective Actions by LED Indication The following describes the error confirmation method using the LEDs on AJ65BT-64RD. For the errors associated with the programmable controller CPU and master module, refer to the user’s manual for the programmable controller CPU and master module, respectively.
  • Page 62 6. TROUBLESHOOTING MELSEC-A (4) When AJ65BT-64RD’s “L RUN.” LED is off Cause Corrective action Look for the broken or shorted transmission cables and repair Cables are broken or shorted. them. The master station has the stopped data link. Confirm that no error has occurred in the master station. Correct the station number setting of the duplicate module, then Duplicate station number.

  • Page 63: When Wire Breakage Detection Flag Is On

    6. TROUBLESHOOTING MELSEC-A When Wire Breakage Detection Flag is On Cause Corrective action Connection between platinum temperature- Securely connect the platinum temperature-measuring resistor measuring resistor and cable is incomplete. and cable. Terminal screw is loose. Tighten the terminal screws within the specified torque range. Check the continuity of platinum temperature-measuring The connected platinum temperature-measuring resistor and cable, and replace the broken platinum...

  • Page 64: When There Is A Communication Error Between Master Station And Aj65Bt-64Rd

    6. TROUBLESHOOTING MELSEC-A When There is a Communication Error between Master Station and AJ65BT-64RD If the station number duplicate bit is turned on in the link special register SW0098 to SW009B (duplicate station number status), check the corresponding station number of AJ65BT-64RD using the following flow.
  • Page 65 6. TROUBLESHOOTING MELSEC-A From the previous page From the previous page From the previous page Is "L RUN" LED lit? Is "SD" LED lit (flickering)? Is the baud rate setting correct? Is "SD" LED lit (flickering)? Correct the baud rate setting Corresponding Restart the power supply/ module failure...

  • Page 66: Appendix

    APPENDIX MELSEC-A APPENDIX Appendix 1 Standard Thermal Electromotive Force of Platinum Temperature-Measuring Resistor ⋅ Appendix 1.1 New JIS IEC type (Pt100) Unit : Ω JIS C 1604-1997, IEC 751-1983 Tempe Tempe –100 –0 rature rature [°C] [°C] 60.26 100.00 –0 100.00 138.51 175.86...

  • Page 67: Appendix 2 External Dimensions Diagram

    APPENDIX MELSEC-A Appendix 2 External Dimensions Diagram (1) AJ65BT–64RD3 (2) AJ65BT–64RD4...
  • Page 68 6. Failure caused by reasons unpredictable by scientific technology standards at time of shipment from Mitsubishi. 7. Any other failure found not to be the responsibility of Mitsubishi or that admitted not to be so by the user. 2. Onerous repair term after discontinuation of production (1) Mitsubishi shall accept onerous product repairs for seven (7) years after production of the product is discontinued.
  • Page 70 SH(NA)-4001-E(1012)MEE MODEL: AJ65BT-64RD-U-E MODEL CODE: 13JL54 HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN NAGOYA WORKS : 1-14 , YADA-MINAMI 5-CHOME , HIGASHI-KU, NAGOYA , JAPAN When exported from Japan, this manual does not require application to the Ministry of Economy, Trade and Industry for service transaction permission.

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