Mitsubishi Electric AJ65SBT2B-64TD User Manual
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Mitsubishi Electric AJ65SBT2B-64TD User Manual

Mitsubishi Electric AJ65SBT2B-64TD User Manual

Thermocouple input module
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Thermocouple Input Module User's Manual
AJ65SBT2B-64TD

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Summary of Contents for Mitsubishi Electric AJ65SBT2B-64TD

  • Page 1 Thermocouple Input Module User's Manual AJ65SBT2B-64TD...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS (Read these precautions before using this product) 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 this product. Refer to the user's manual of the CPU module to use for a description of the programmable controller system safety precautions.
  • Page 4 [Installation Precautions] CAUTION ● For protection of the switches, do not remove the cushioning material before installation. ● Securely fix the module with a DIN rail or mounting screws. Tighten the screws 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 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 cables from the module, do not pull the cable by the cable part. Loosen the screws of connector before disconnecting the cable.

  • Page 6: Conditions Of Use For The Product

    Notwithstanding the above restrictions, Mitsubishi Electric may in its sole discretion, authorize use of the 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 Electric 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: Revisions

    This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problem involving industrial property rights which may occur as a result of using the contents noted in this manual.

  • Page 8: Table Of Contents

    INTRODUCTION Thank you for purchasing the Mitsubishi programmable controller. Before using the product, please read this manual carefully to understand the features and performance of the programmable controller, and use it correctly. CONTENTS SAFETY PRECAUTIONS ..........................A - 1 CONDITIONS OF USE FOR THE PRODUCT....................A - 4 REVISIONS...............................A - 5 INTRODUCTION...............................A - 6 CONTENTS ..............................A - 6...
  • Page 9 CHAPTER 4 PROCEDURES AND SETTING BEFORE OPERATION 4 - 1 to 4 - 14 Procedures before Operation ......................4 - 1 Handling Precautions........................4 - 2 Part Names............................4 - 4 4.3.1 Transmission speed auto-tracking function ................4 - 6 Station Number Setting........................
  • Page 10 APPENDIX App - 1 to App - 2 Appendix 1 External Dimensions......................App - 1 INDEX Index - 1 to Index - 2...

  • Page 11: About Manuals

    ABOUT MANUALS The following manuals are relevant to this product. Relevant manuals Manual name Manual number CC-Link System Master/Local Module Type AJ61BT11/A1SJ61BT11 User's Manual IB-66721 Describes the system configuration, performance specifications, functions, handling, wiring, and troubleshooting of the AJ61BT11 and A1SJ61BT11. CC-Link System Master/Local Module Type AJ61QBT11/A1SJ61QBT11 User's Manual IB-66722 Describes the system configuration, performance specifications, functions, handling, wiring, and troubleshooting...

  • Page 12: Generic Terms, Abbreviations, And Terminology

    GENERIC TERMS, ABBREVIATIONS, AND TERMINOLOGY Unless otherwise specified, the following generic terms, abbreviations, and terminologies are used in this manual to describe the AJ65SBT2B-64TD Thermocouple Input Module. Generic term/ abbreviation/ Description terminology GX Developer Product name of the software package for the MELSEC programmable controllers.
  • Page 13 Generic term/ abbreviation/ Description terminology Link special register (for CC-Link) Information in units of bits that indicates the data link status and module operating status of the master station/local stations Remote input (for CC-Link) Information input in units of bits from the remote station to the master station Remote output (for CC-Link) Information output in units of bits from the master station to the remote station Remote register (write area for CC-Link)

  • Page 14: Packing List

    PACKING LIST The following table is the packing list of the AJ65SBT2B-64TD Thermocouple Input Module. Product Quantity AJ65SBT2B-64TD Thermocouple Input Module - 12...
  • Page 15 Memo - 13...

  • Page 16: Chapter 1 Overview

    (a) The module has a built-in 110 terminating resistor, which eases wiring. (b) Users are not required to set the transmission speed of the AJ65SBT2B-64TD. The transmission speed of the AJ65SBT2B-64TD is automatically set according to the transmission speed that is set in the master station.
  • Page 17 Also, the offset and gain values can be either set by the user setting or factory default setting. (9) Up to 42 modules are connectable. Up to 42 modules of the AJ65SBT2B-64TD are connectable to one master station. (10)Maintenance is easy. Using a 2-piece terminal block allows the easy maintenance of the AJ65SBT2B- 64TD.

  • Page 18: Chapter 2 System Configuration

    SYSTEM CONFIGURATION CHAPTER 2 SYSTEM CONFIGURATION This chapter describes the system configuration where the AJ65SBT2B-64TD is used. Overall Configuration This section describes the overall configuration where the AJ65SBT2B-64TD is used. CC-Link system master/local module (local station) CC-Link system master/local module (master station)

  • Page 19: Applicable System

    SYSTEM CONFIGURATION Applicable System This section describes the applicable system. (1) Applicable master module For available master modules, visit the CC-Link Partner Association (CLPA) website www.cc-link.org Remark Check the specifications of the master module before use. (2) Restrictions on using the CC-Link dedicated instructions (RLPA and RRPA) The CC-Link dedicated instructions (RLPA and RRPA) cannot be used depending on the programmable controller CPU and master module used.

  • Page 20: How To Check Hardware Version

    Hardware version Software version Relevant regulation standards Figure 2.2 How to check the hardware version How to Check Serial Number The serial number of the AJ65SBT2B-64TD is printed in the SERIAL section on the rating plate. PASSED MODEL Serial number...

  • Page 21: Chapter 3 Specifications

    SPECIFICATIONS CHAPTER 3 SPECIFICATIONS This chapter describes the specifications of the AJ65SBT2B-64TD. General Specifications The general specifications of the AJ65SBT2B-64TD are shown in the following table. Table 3.1 General specifications Item Specification Operating ambient temperature 0 to 55 Storage ambient temperature...

  • Page 22: Performance Specifications

    SPECIFICATIONS Performance Specifications The performance specifications for the AJ65SBT2B-64TD are shown in the following table. Table 3.2 Performance specifications Item AJ65SBT2B-64TD Temperature sensor input -270 to 1820 Measured temperature value 16-bit signed binary (-2700 to 18200: value rounded to one decimal place Applicable thermocouples, temperature Refer to Table 3.3 Applicable thermocouples, temperature measurement range accuracy, and...
  • Page 23 SPECIFICATIONS Table 3.2 Performance specifications Item AJ65SBT2B-64TD •RAV1.25-3 (JIS C 2805 compliant) [Applicable wire size: 0.3 to 1.25mm Applicable solderless terminal •V2-MS3, RAP2-3SL, TGV2-3N [Applicable wire size: 1.25 to 2.0mm 0.7mm 16mm or more screw (tightening torque range: 0.78 to 1.08N•m) Module mounting screw The module can also be mounted with a DIN rail.
  • Page 24 SPECIFICATIONS Table 3.3 Applicable thermocouples, temperature measurement range accuracy, and effect by wiring resistance of 1 Effect by wiring Conversion accuracy Temperature characteristics Max. temperature Measured Applicable resistance of 1  (At operating ambient (Per operating ambient error at ambient temperature thermocouple type...
  • Page 25 SPECIFICATIONS * 1: If a value input from the thermocouple is outside the measured temperature range given in this table, it is handled as the maximum or minimum value of the measured temperature range. * 2: The accuracies are applied only in the temperature ranges of Class 1 to 3 (shaded area) in JIS C1602-1995.

  • Page 26: Conversion Speed And Transmission Delay Time

    SPECIFICATIONS 3.2.1 Conversion speed and transmission delay time (1) Conversion speed The conversion speed indicates the maximum time (640ms) required for the measured temperature value that is input from outside to be stored to the remote register. The measured temperature values stored into the remote register are updated according to the sampling cycle of 160ms.

  • Page 27: Functions

    SPECIFICATIONS Functions This section describes the functions of the AJ65SBT2B-64TD. 3.3.1 Function list Table 3.4 lists the functions of the AJ65SBT2B-64TD. Table 3.4 Functions list of the AJ65SBT2B-64TD Item Description Reference Conversion enable/disable Section Set the conversion enable/disable status for each channel.

  • Page 28: Conversion Enable/Disable Specification

    SPECIFICATIONS 3.3.2 Conversion enable/disable specification For the AJ65SBT2B-64TD, conversion enable/disable status can be set for each channel. (1) Setting method Conversion enable/disable status is specified by using CH Conversion enable flag (RYn0 to RYn3). Table 3.5 Conversion enable/disable specification Setting item Description CH...

  • Page 29: Sampling Processing Or Average Processing Specification

    SPECIFICATIONS 3.3.3 Sampling processing or average processing specification For the AJ65SBT2B-64TD, a conversion method (sampling processing, count average, time average, or moving average) can be set for each channel. Conversion is specified by using CH Averaging processing setting (RWwm to RWwm+3).
  • Page 30 SPECIFICATIONS (1) Sampling processing Measured temperature values are stored in the remote register according to the sampling cycle. The sampling cycle indicates the cycle (160ms) in which a measured temperature value of a channel is updated when the sampling processing is specified in CH Averaging processing setting (RWwm to RWwm+3).
  • Page 31 SPECIFICATIONS (2) Count average processing Measured temperature values are averaged according to the specified number of times, and then stored to the remote register. The value in the remote register is updated once every following time. Sampling cycle count average set by a user (ms) The measured temperature values excluding the maximum and the minimum values are averaged.
  • Page 32 SPECIFICATIONS (3) Time average processing Measured temperature values, which are measured according to the sampling cycle, are averaged and then stored in the remote register. The values in the remote register are updated according to the intervals set by a user. The number of processing counts within the set period of time is calculated in the following formula.
  • Page 33 SPECIFICATIONS (4) Moving average processing Measured temperature values, which are measured for four times (current value + values of the past three times) according to the sampling cycle, are averaged and then stored in the remote register. The latest measured temperature value can be obtained since the averaging processing is performed for each sampling cycle in the order of sampling.

  • Page 34: Disconnection Detection

    Disconnection detection This function detects the disconnection of the thermocouple connected for each channel. When a disconnection is detected, the AJ65SBT2B-64TD; • Turns on CH Disconnection detection flag (RXn4 to RXn7). • Stores the up scale or down scale in CH Measured temperature value (RWrn to RWrn+3) of the disconnected channel.
  • Page 35 SPECIFICATIONS (c) Measured temperature values for each thermocouple when the disconnection is detected are shown in the following table. Table 3.8 Measured temperature value in disconnection status Measured temperature value in Thermocouple Measured disconnection detection type temperature range Up scale Down scale Thermocouple B 0 to 1820...

  • Page 36: Measured Temperature Value Storage

    (-1234 is stored) 3.3.6 Thermocouple type selection For the AJ65SBT2B-64TD, the thermocouple type to be used for each channel can be selected. Select the thermocouple type to be used by using CH Thermocouple selection flag (RYn8 to RY(n+1)3). (Refer to Table 3.9.) Table 3.9 Setting of thermocouple type to be used...

  • Page 37: Remote I/O Signals

    This section describes the assignment and functions of the remote I/O signals. 3.4.1 List of remote I/O signals Remote input (RX) is an input signal from the AJ65SBT2B-64TD to the master module, and remote output (RY) is an output signal from the master module to the AJ65SBT2B- 64TD.
  • Page 38 The "Use prohibited" devices shown in Table 3.10 are used by the system and cannot be used by a user. If used (turned on or off), the functions of the AJ65SBT2B-64TD will not be guaranteed. - 18 3.4 Remote I/O Signals...

  • Page 39: Details Of The Remote I/O Signals

    This flag turns on when an error occurs while the factory default setting data are being read from the Flash memory. If the flag turns on, the AJ65SBT2B-64TD has failed (hardware failure). Therefore, the flag cannot be turned off by the Error reset request flag (RY(n+1)A).
  • Page 40 (7) Initial data processing request flag (RX(n+1)8) This flag turns on for the AJ65SBT2B-64TD to request the initial data setting after power-on. The flag turns off when the Initial data processing completion flag (RY(n+1)8) is turned on.
  • Page 41 RY(n+1)A Error reset request flag : Performed by a sequence program : Performed by the AJ65SBT2B-64TD Figure 3.8 Operation at error occurrence and reset (10)Remote ready (RX(n+1)B) This flag turns on when the initial data setting is completed and the Initial data setting completion flag (RX(n+1)9) turns off after power-on or exiting the test mode.
  • Page 42 SPECIFICATIONS (14)Pt100 cold junction compensation disable flag (RY(n+1)6) Whether to enable or disable the cold junction compensation using the RTD Pt100 is selected. ON: Disable OFF: Enable For details of the cold junction compensation, refer to Section 4.9. (15)Offset/gain value selection flag (RY(n+1)7) Offset and gain values to be used for error correction are selected from "user setting"...

  • Page 43: Remote Register

    SPECIFICATIONS Remote Register The AJ65SBT2B-64TD has a remote register for data communications with a master module. This section describes the assignment and data structure of the remote register. 3.5.1 Remote register list Table 3.11 lists the assignment of remote register Table 3.11 Assignment of remote register...

  • Page 44: Chapter 4 Procedures And Setting Before Operation

    PROCEDURES AND SETTING BEFORE OPERATION CHAPTER 4 PROCEDURES AND SETTING BEFORE OPERATION Procedures before Operation This section describes the procedures for operating the AJ65SBT2B-64TD. Start Module mounting Refer to Section 4.2 and Section 4.5. (Mount the AJ65SBT2B-64TD to the panel or DIN rail.)

  • Page 45: Handling Precautions

    PROCEDURES AND SETTING BEFORE OPERATION Handling Precautions This section describes the precautions for handling the AJ65SBT2B-64TD. CAUTION ● Do not touch any terminal while power is on. Doing so may cause malfunction. ● Prevent foreign matter such as dust or wire chips from entering the module.
  • Page 46 When installing a DIN rail, tighten the screws at a pitch of 200mm or less. (4) When mounting the AJ65SBT2B-64TD to the DIN rail, press the centerline of the DIN rail hook at the bottom of the module with your finger until it clicks.

  • Page 47: Part Names

    PROCEDURES AND SETTING BEFORE OPERATION Part Names This section describes the part names for the AJ65SBT2B-64TD. +24V TEST TEST Figure 4.3 Appearance of the AJ65SBT2B-64TD Table 4.2 Part names Name Description On: Power supply on PW LED Off: Power supply off...
  • Page 48 PROCEDURES AND SETTING BEFORE OPERATION Table 4.2 Part names Name Description Normal mode Always off. TEST Offset/gain adjusting CH Turns on when the TEST terminal is short-circuited. LEDs OFFSET Test mode The LEDs lit change every time the SELECT/SET switch is moved to GAIN SELECT.

  • Page 49: Transmission Speed Auto-Tracking Function

    L TER. (Line Turned on to use the terminating resistor built in the AJ65SBT2B-64TD. Termination) switch Turned on when the AJ65SBT2B-64TD is used in the end of the network. 4.3.1 Transmission speed auto-tracking function The transmission speed is automatically set according to the setting of the master module.

  • Page 50: Station Number Setting

    AJ65SBT2B-64TD. For details, refer to the user's manual of the master module used. Module Mounting Orientation The AJ65SBT2B-64TD can be mounted in six different orientations as shown below. The module can also be mounted using a DIN rail. Downward DIN rail...

  • Page 51: Wiring Of Data Link Cable

    Figure 4.5 Connection of the CC-Link dedicated cables 4.6.3 Connection of terminating resistor The AJ65SBT2B-64TD has a built-in terminating resistor of 110 . Therefore, there is no need to connect a terminating resistor externally. (1) Precautions (a) Move the L TER. switch until it clicks.

  • Page 52: Wiring Of Thermocouple

    AJ65SBT2B-64TD. The precautions when performing external wiring are as follows: (a) Use separate cables for the AC control circuit and the AJ65SBT2B-64TD signals output externally to avoid the influence of AC side surges and inductions.

  • Page 53: Error Correction Using Offset/Gain Setting

    Error Correction Using Offset/Gain Setting Error correction of the AJ65SBT2B-64TD is a function that corrects values at two points (offset and gain) within the used temperature range at system start-up or when a correct measured temperature value cannot be obtained.
  • Page 54 Select the thermocouple type with the remote output signals (RYn8 to RY(n+1)3). Starting data link Input a value to be the gain value. AJ65SBT2B-64TD Moving the SELECT/SET switch to the "SELECT" position changes the status of the offset/gain adjusting LEDs changes as shown below.
  • Page 55 (1) Set the offset value and gain value in the actual operating status. (2) The offset value and gain value are stored in the Flash memory of the AJ65SBT2B-64TD and not cleared even at power-off. 4.8 Error Correction Using Offset/Gain Setting...

  • Page 56: Setting Of Whether Pt100 Cold Junction Compensation Is Enabled Or Disabled

    Setting of whether Pt100 Cold Junction Compensation is Enabled or Disabled The AJ65SBT2B-64TD can specify whether cold junction compensation using the RTD Pt100 is enabled or disabled. This converts the measured temperature values to be stored into the remote register to the value to which the Pt100 performs cold junction compensation or the value (cold junction compensation performed externally) the Pt100 does not.

  • Page 57: Maintenance And Inspection

    The RTDs Pt100 do not need to be disconnected. 4.10 Maintenance and Inspection There are no special inspection items for the AJ65SBT2B-64TD. To keep the system in the best condition perform inspection following the items described in the user's manual for the CPU module.

  • Page 58: Chapter 5 Programming

    CHAPTER 5 PROGRAMMING This chapter describes the programming procedures, basic programs for reading and writing data, and program examples for the AJ65SBT2B-64TD. When applying any of the program examples introduced in this chapter to the actual system, fully examine the applicability and check that no problems will occur in controlling the system.

  • Page 59: Programming Procedure

    PROGRAMMING Programming Procedure Create programs for measuring temperatures with the AJ65SBT2B-64TD according to the following flowchart. Start Select the offset and gain values for error correction either from the factory default setting or user setting. Specify either the sampling processing or moving average processing.

  • Page 60: Conditions Of Program Examples

    PROGRAMMING Conditions of Program Examples The program examples in this chapter are created under the following conditions. (1) Conditions of the AJ65SBT2B-64TD • Channels to be used: CH1 and CH2 • Averaging processing setting: Moving average processing for CH1, count average (16 times) for CH2 •...
  • Page 61 RWr2 RWr2 CH3 Measured temperature value D1103 2E3H RWr3 RWr3 CH4 Measured temperature value Figure 5.3 Relationship among the programmable controller CPU, master module, and AJ65SBT2B-64TD (When the QCPU (Q mode) or QnACPU is used) 5.2 Conditions of Program Examples...
  • Page 62 RWr3 RWr3 CH4 Measured temperature value Figure 5.4 Relationship among the programmable controller CPU, master module, and AJ65SBT2B-64TD (When the ACPU/QCPU (A mode) is used) * 1: In the program example (refer to Section 5.5) that uses the RRPA instruction (auto refresh parameter setting) in the ACPU/QCPU (A mode), RWr0 to RWr3 are assigned to D456 to D459.

  • Page 63: Program Example When The Qcpu (Q Mode) Is Used

    Program Example when the QCPU (Q mode) is Used Set parameters in the "Network parameter" dialog box of GX Developer. The initial setting of the AJ65SBT2B-64TD is not available with the remote device station initialization procedure registration function. (1) Parameter setting (a) Network parameter setting Figure 5.5 "Setting the CC-Link list."...
  • Page 64 PROGRAMMING (b) Station information setting Figure 5.6 "CC-Link station information. Module 1" dialog box (QCPU (Q mode)) Table 5.2 Setting on the "CC-Link station information. Module 1" dialog box (QCPU (Q mode)) Setting item Setting value Station type Remote device station Exclusive station count Exclusive station 1 Reserve/invalid station select...
  • Page 65 Signal that is output when an error occurs Y1000 to Signals for configuring settings of the AJ65SBT2B-64TD Y101A Signal that stores the data link status of the AJ65SBT2B-64TD 1 (ON): Data link error 0 (OFF): Data link normal Pulse signal for resetting the Disconnection detection flag...
  • Page 66 PROGRAMMING (3) Program example * Connecting status of the AJ65SBT2B-64TD Reads the data link status Turns on MC contact (M100) when the data link is normal Turns on Y60 when a data link error occurs * Initial setting CH1 Conversion enable flag...
  • Page 67 PROGRAMMING Initial data setting request flag (RY19):OFF * Reading Measured temperature value Reads CH1 Measured temperature value (RWr0) to D50 Reads CH2 Measured temperature value (RWr1) to D51 * Processing when disconnection is detected Turns on Y61 when CH1 disconnection is detected Turns on Y62 when CH2 disconnection is detected Error reset request flag (RY1A):ON...

  • Page 68: Program Example When The Qnacpu Is Used

    PROGRAMMING Program Example when the QnACPU is Used Set parameters in the "Network parameter" dialog box of GX Developer. (1) Parameter setting (a) Network parameter setting Figure 5.9 "Setting the CC-Link list." dialog box (QnACPU) Table 5.4 Setting items on the "Setting the CC-Link list." dialog box (QnACPU) Setting item Setting value No.
  • Page 69 PROGRAMMING (b) Station information setting Figure 5.10 "CC-Link station information. Module 1" dialog box (QnACPU) Table 5.5 "CC-Link station information. Module 1" dialog box (QnACPU) Setting item Setting value Station type Remote device station Exclusive station count Exclusive station 1 Reserve/invalid station select No setting POINT...
  • Page 70 Signal that is output when an error occurs Y1000 to Signals for configuring settings of the AJ65SBT2B-64TD Y101A Signal that stores the data link status of the AJ65SBT2B-64TD 1 (ON): Data link error 0 (OFF): Data link normal Pulse signal for resetting the Disconnection detection flag...
  • Page 71 PROGRAMMING (3) Program example * Connecting status of the AJ65SBT2B-64TD Reads the data link status Turns on MC contact (M100) when the data link is normal Turns on Y60 when a data link error occurs * Initial setting CH1 Conversion enable flag...
  • Page 72 PROGRAMMING Initial data setting request flag (RY19):OFF * Reading Measured temperature value Reads CH1 Measured temperature value(RWr0) to D50 Reads CH2 Measured temperature value(RWr1) to D51 * Processing when disconnection is detected Turns on Y61 when CH1 disconnection is detected Turns on Y62 when CH2 disconnection is detected Error reset request flag (RY1A):ON...

  • Page 73: Program Example When The Acpu/Qcpu (A Mode) Is Used (Dedicated Instruction)

    Signal that is output when an error occurs Y100 to Signals for configuring settings of the AJ65SBT2B-64TD Y11A Signal that stores the data link status of the AJ65SBT2B-64TD 1 (ON): Data link error 0 (OFF): Data link normal Pulse signal for resetting the parameter setting...
  • Page 74 (2) Program example * Network parameter setting using the RLPA instruction Disables the synchronous mode Number of connected modules:1 Station information of the AJ65SBT2B-64TD (remote device station, occupying 1 station, station No.1) Dedicated instruction(RLPA) Start I/O number of the master...
  • Page 75 Dedicated instruction (RRPA) Start I/O number of the master module Start device for storing parameter * Checking the connection status of the AJ65SBT2B-64TD Reads the data link status Turns on MC contact (M100) when the data link is normal Turns on Y60 when a data link error...
  • Page 76 PROGRAMMING CH1 Averaging processing setting (RWw0):Moving average processing CH2 Averaging processing setting (RWw1):Count average (16 times) Initial data processing completion flag (RY18):ON Initial data setting request flag (RY19):ON * Changing initial setting CH1 Conversion enable flag (RY00):OFF (Conversion disable) CH2 Conversion enable flag (RY01):OFF (Conversion disable) Initial data setting request flag (RY19):ON...

  • Page 77: Program Example When The Acpu/Qcpu (A Mode) Is Used (From/To Instructions)

    Signal that is output when an error occurs Y100 to Signals for configuring settings of the AJ65SBT2B-64TD Y11A Signal that stores the data link status of the AJ65SBT2B-64TD 1 (ON): Data link error 0 (OFF): Data link normal Pulse signal for starting parameter setting...
  • Page 78 CPU of the master station:Continue Writes parameter settings to the master station Station information of the AJ65SBT2B-64TD (remote device station, occupying 1 station, station No.1) Writes parameter settings to the master station * Starting data link...
  • Page 79 PROGRAMMING * Initial setting CH1 Conversion enable flag (RY00):ON (Conversion enable) CH2 Conversion enable flag (RY01):ON (Conversion enable) CH1 Type "K" selection bit 0 (RY08) CH1 Type "K" selection bit 1 (RY09) CH1 Type "K" selection bit 2 (RY0A) CH2 Type "E" selection bit 0 (RY0B) CH2 Type "E"...
  • Page 80 PROGRAMMING * Reading Measured temperature value Reads CH1 Measured temperature value (RWr0) to D300 Reads CH2 Measured temperature value (RWr1) to D301 * Processing when disconnection is detected Turns on Y61 when CH1 disconnection is detected Turns on Y62 when CH2 disconnection is detected Error reset request flag (RY1A):ON * Processing at error occurrence...

  • Page 81: Chapter 6 Troubleshooting

    For the errors regarding the CPU module and master module, refer to the user's manuals for the CPU module and master module. (1) When the PW LED of the AJ65SBT2B-64TD turns off Table 6.1 When the PW LED of the AJ65SBT2B-64TD turned off Check item Corrective action Is 24VDC power supplied? Check the external power supply.
  • Page 82 For details, refer to the troubleshooting section in the user's manual for the master module used. (5) When the L ERR. LED of the AJ65SBT2B-64TD flashes regularly Table 6.4 When the L ERR. LED of the AJ65SBT2B-64TD flashes regularly Check item Corrective action...

  • Page 83: When Ch1 Disconnection Detection Flag (Rxn4) To Ch4 Disconnection Detection Flag (Rxn7) Turns On

    When this flag turns on, redo the error correction by using the offset/gain setting to all the channels that are set to use the user setting. If User read error flag (RXnB) is still on after the error correction, the AJ65SBT2B-64TD may be faulty. Please consult your local Mitsubishi representative.

  • Page 84: When Ch1 Measured Temperature Value (Rwrn) To Ch4 Measured Temperature Value (Rwrn+3) Cannot Be Read

    TROUBLESHOOTING When CH1 Measured Temperature Value (RWrn) to CH4 Measured Temperature Value (RWrn+3) Cannot be Read Table 6.8 When CH Measured temperature value (RWrn to RWrn+3) cannot be read Check item Corrective action Check CH Conversion enable flag (RYn0 to Is the conversion status of the channel set to RYn3) and set the conversion status of the channel "Disable"?

  • Page 85: Troubleshooting When The Err. Led Of The Master Station Flashes

    TROUBLESHOOTING Troubleshooting when the ERR. LED of the Master Station Flashes The ERR. LED of the master station flashes. Are the parameter settings corresponding to the actual system configuration? Correct the parameter setting or system configuration. Are the link special registers SW0080 to SW0083 (Other station data link status) on?
  • Page 86 TROUBLESHOOTING Is the L RUN LED on? Are the station number setting switches set correctly (not overlapping with other stations)? Set the station number setting switches correctly. Power on the module again. Are the communication cables wired properly?*1 Wire the communication cables properly.

  • Page 87: Appendix 1 External Dimensions

    APPENDIX APPENDIX Appendix 1 External Dimensions The external dimensions of the AJ65SBT2B-64TD are shown below. 109.5±0.5 2-4.5×5.1(M4) DIN rail center RTD Pt100 Unit: mm...
  • Page 88 APPENDIX Memo...
  • Page 89 INDEX Measured temperature value....... 3-23 Measured temperature value storage....3-7 ACPU..............A-10 Module Mounting Orientation......... 4-7 Averaging processing setting ......3-23 Offset/gain adjusting LEDs ........4-5 CC-Link dedicated cable ........4-8 Offset/gain value selection flag....3-17,3-22 CC-Link dedicated instruction........ 2-2 Operating status indication LED ......
  • Page 90 Up scale............A-10,3-14 UP/DOWN switch ..........4-5 User range read error flag ......3-17,3-19 Watchdog timer error ..........4-4 Wiring of thermocouple.......... 4-9 Index...

  • Page 91: Warranty

    WARRANTY Please confirm the following product warranty details before using this product. 1. Gratis Warranty Term and Gratis Warranty Range If any faults or defects (hereinafter "Failure") found to be the responsibility of Mitsubishi occurs during use of the product within the gratis warranty term, the product shall be repaired at no cost via the sales representative or Mitsubishi Service Company.
  • Page 92 INFORMATION AND SERVICES For further information and services, please contact your local Mitsubishi Electric sales office or representative. Visit our website to find our locations worldwide. MITSUBISHI ELECTRIC Factory Automation Global Website Locations Worldwide www.MitsubishiElectric.com/fa/about-us/overseas/ TRADEMARKS Microsoft and Windows are trademarks of the Microsoft group of companies.
  • Page 94 SH(NA)-080769ENG-E(2410)MEE MODEL: AJ65S-64TD-U-SY-E HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN NAGOYA WORKS: 1-14, YADA-MINAMI 5-CHOME, HIGASHI-KU, NAGOYA 461-8670, JAPAN When exported from Japan, this manual does not require application to the Ministry of Economy, Trade and Industry for service transaction permission. Specifications subject to change without notice.

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