Mitsubishi MELSEC A1SJ71PB93D User Manual
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Mitsubishi MELSEC A1SJ71PB93D User Manual

Mitsubishi MELSEC A1SJ71PB93D User Manual

Profibus-dp slave module
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PROFIBUS-DP Slave Module Type A1SJ71PB93D
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Mitsubishi Programmable Controller

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Summary of Contents for Mitsubishi MELSEC A1SJ71PB93D

  • Page 1 PROFIBUS-DP Slave Module Type A1SJ71PB93D User s Manual Mitsubishi Programmable Controller...

  • Page 3: Safety Precautions

    • SAFETY PRECAUTIONS • (Read these precautions before using.) Before using this product, please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety to handle the product correctly. The instructions given in this manual are concerned with this product. For the safety instructions of the programmable controller system, please read the user's manual of the CPU module used.
  • Page 4 [INSTALLATION PRECAUTIONS] CAUTION • Use the programmable controller under the environment specified in the user's manual of the CPU module to be used. Otherwise, it may cause electric shocks, fires, malfunctions, product deterioration or damage. • Load the module by securely inserting the module fixing hook at the bottom of the module into the fixing hole of the base unit.
  • Page 5 [STARTING AND MAINTENANCE PRECAUTIONS] DANGER • Before cleaning, be sure to shut off all phases of the external power supply used by the system. Failure to do so may cause electrical shocks. CAUTION • Never disassemble or modify the module. This may cause breakdowns, malfunctioning, injury and/or fire.

  • Page 6: 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 problems involving industrial property rights which may occur as a result of using the contents noted in this manual.

  • Page 7: Table Of Contents

    INTRODUCTION Thank you for purchasing the Mitsubishi Programmable Controller MELSEC-A Series. 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 8 5 PROCEDURES BEFORE SYSTEM OPERATION 5- 1 to 5- 20 5.1 Procedures before Operation ......................... 5- 1 5.2 Parameter Setting to Master Station ...................... 5- 2 5.2.1 Data module setting ......................... 5- 4 5.2.2 Data assignment mode setting ......................5- 8 5.2.3 Swap setting ............................

  • Page 9: About Manuals

    (Sold separately) Conformation to the EMC Directive and Low Voltage Instruction When incorporating the Mitsubishi programmable controller into other machinery or equipment and keeping compliance with the EMC and low voltage directives, refer to Chapter 3 "EMC Directive and Low Voltage Instruction" of the User's Manual (hardware) supplied with your CPU module or base unit.

  • Page 10: About The Generic Terms And Abbreviations

    About the Generic Terms and Abbreviations Unless otherwise specified, this manual uses the following generic terms and abbreviations to describe the Type A1SJ71PB93D PROFIBUS-DP slave module. Generic Term/Abbreviation Description of the abbreviation/general terms A1SJ71PB93D Abbreviation for the model A1SJ71PB93D PROFIBUS-DP slave module QJ71PB92V Abbreviation for the model QJ71PB92V PROFIBUS-DP master module QJ71PB92D...

  • Page 11: Meanings And Definitions Of The Terms

    Meanings and Definitions of the Terms The terms used in this manual have the following meanings and definitions. Term Definition A basic version of PROFIBUS-DP. The following functions are executable: • I/O data exchange PROFIBUS-DPV0 • Diagnostic information notification etc. A PROFIBUS-DP version for which the following functions have been added to the basic functionality of PROFIBUS-DPV0.

  • Page 12: Overview

    ERR. POWER L . CLR SYNC ERROR RESET RESET FREEZE MITSUBISHI S T 1 P S D S T 1 P D D R U N E R R R U N E R R R U N E R R...

  • Page 13: A1Sj71Pb93D Features

    1 OVERVIEW MELSEC-A 1.1 A1SJ71PB93D Features (1) Conformance with EN50170 Volume 2 (Part 1, 2, 3, 4, 8) The module conforms with EN50170 Volume 2 (Part 1, 2, 3, 4, 8) and can communicate with the master station as a PROFIBUS-DP slave station. (2) I/O data communication with class 1 master station The module can communicate I/O data with the class 1 master station (master station that makes data communication cyclically with a slave station) of...
  • Page 14 1 OVERVIEW MELSEC-A (3) Communication can be made by merely setting the master station parameters After you have set the parameters at the master station, the A1SJ71PB93D can make communication by merely setting the station number. (Refer to Section 5.1) (4) Swapping of I/O data When I/O data is sent/received from/to the master station, their upper and lower bytes can be swapped.

  • Page 15: System Configuration

    2 SYSTEM CONFIGURATION MELSEC-A 2 SYSTEM CONFIGURATION This chapter describes the system configuration of A1SJ71PB93D. 2.1 Applicable Systems (1) Applicable programmable controller CPU The following are the programmable controller CPU compatible with the A1SJ71PB93D and the number of mountable modules. •...

  • Page 16: Precautions For Configuring A System

    2 SYSTEM CONFIGURATION MELSEC-A 2.2 Precautions for Configuring a System (1) Precaution for station number setting (a) If a station number different from the one of the currently operating station is set during I/O data communication, the communication is suspended to execute the setting.

  • Page 17: Specifications

    3 SPECIFICATIONS MELSEC-A 3 SPECIFICATIONS This chapter describes the general specifications, performance specifications, network configuration, I/O signals, buffer memory and operation modes of the A1SJ71PB93D. 3.1 General Specifications The flowing table shows the general specifications of the A1SJ71PB93D. Item Specifications Operating ambient 0 to 55 °C temperature...

  • Page 18: Performance Specifications

    3 SPECIFICATIONS MELSEC-A 3.2 Performance Specifications Item Specifications PROFIBUS-DP station type Slave station (Complies with EN50170 Volume2 (Part 1, 2, 3, 4, 8)) Electrical standard/characteristics Complies with EIA-RS485 Medium Shielded twisted pair cable (Type A) (Refer to Section 5.7.1) Network topology Bus topology (Tree topology when repeaters are used) Data link method Polling method...

  • Page 19: Network Configuration

    3 SPECIFICATIONS MELSEC-A 3.3 Network Configuration This section explains the basic PROFIBUS-DP configuration for using the A1SJ71PB93D as a slave station. (1) System equipment The following table shows the equipment required for the PROFIBUS-DP system. System Equipment Description Slave station A1SJ71PB93D Class 1 master station QJ71PB92V, QJ71PB92D, etc.

  • Page 20: I/O Signal

    3 SPECIFICATIONS MELSEC-A 3.4 I/O Signal 3.4.1 I/O signal list The I/O signal configuration used in the A1SJ71PB93D and the data communications with the programmable controller CPU are described below. The following I/O signal assignment is based on the case where the start I/O No. of the A1SJ71PB93D is "0"...

  • Page 21: I/O Signal Detail Description

    3 SPECIFICATIONS MELSEC-A 3.4.2 I/O signal detail description (1) I/O communication signal (X01) This signal turns on when the module is ready to communicate with the master station properly. While the I/O communication signal (X01) is on, the output receive area is updated to the output data sent from the master station.
  • Page 22 3 SPECIFICATIONS MELSEC-A (2) Expansion trouble notification completion signal (X02) This signal turns on when the expansion trouble information was sent to the master station by ON of the expansion trouble notification request signal (Y02). (While the I/O communication signal (X01) is off, the expansion trouble notification completion signal (X02) does not turn on since an expansion trouble notification request is ignored.) Turning off the expansion trouble notification request signal (Y02) turns off...
  • Page 23 3 SPECIFICATIONS MELSEC-A (4) SYNC mode signal (X05) This signal turns on when the A1SJ71PB93D is placed in the SYNC mode by a SYNC request from the master station. The SYNC mode signal (X05) turns off when the SYNC mode is terminated by an UNSYNC request from the master station, a communication stop or a programmable controller CPU reset.
  • Page 24 3 SPECIFICATIONS MELSEC-A (5) SYNC receive signal (X06) The SYNC receive signal (X06) turns on receipt of a SYNC request from the master station. While the SYNC mode signal (X05) is on, the receipt of a SYNC request from the master station changes the on/off state of the SYNC receive signal (X06).
  • Page 25 3 SPECIFICATIONS MELSEC-A (6) FREEZE mode signal (X07) The FREEZE mode signal (X07) turns on when the A1SJ71PB93D is placed in the FREEZE mode by a FREEZE request from the master station. The FREEZE mode signal (X07) turns off when the FREEZE mode is terminated by an UNFREEZE request from the master station, a communication stop or a programmable controller CPU reset.
  • Page 26 3 SPECIFICATIONS MELSEC-A (7) Module watchdog timer error signal (X0D) This signal turns on when a module watchdog timer error occurs. The module watchdog timer error signal (X0D) does not turn off until the following operation is performed. • Turning the programmable controller power OFF to ON •...
  • Page 27 3 SPECIFICATIONS MELSEC-A (9) Station number setting completion signal (X13) This signal turns on when the station number setting is completed by setting the station number to the station number setting request (buffer memory address: 515 (203 )) and turning on the station number setting request signal (Y13).
  • Page 28 3 SPECIFICATIONS MELSEC-A (11) Input send area refresh directive signal (Y00) Turning on this signal during communication with the master station (I/O communication signal (X01) = ON) starts data communication of the input send area (buffer memory addresses: 256 to 447 (100 to 1BF )) in the buffer memory.
  • Page 29 3 SPECIFICATIONS MELSEC-A (12) Expansion trouble notification request signal (Y02) Turning on the expansion trouble notification request signal (Y02) sends the data set in the expansion trouble information area (buffer memory address: 2041 to 2053 (7F9 to 805 ) to the master station as expansion trouble information.
  • Page 30 3 SPECIFICATIONS MELSEC-A (15) Station number setting request signal (Y13) Turn on the station number setting request signal (Y13) when changing the station number to the one set in the station number setting request (buffer memory address: 515 (203 When you have checked that the station number setting completion signal (X13) is on, turn off the station number setting request signal (Y13).

  • Page 31: Buffer Memory List

    3 SPECIFICATIONS MELSEC-A 3.5 Buffer Memory List 3.5.1 Buffer memory/configuration The configuration of the buffer memory used to receive and send data with the A1SJ71PB93D and the programmable controller CPU is described below. Buffer memory address Area name Description Read/Write decimal (Hexadecimal) Stores the output data received from the master station.

  • Page 32: Buffer Memory Detail Description

    3 SPECIFICATIONS MELSEC-A 3.5.2 Buffer memory detail description (1) Output receive area (buffer memory address: 0 (0 ) to 191 (BF Stores the output data received from the master station. The structure varies with the data module setting and data assignment mode setting in the slave parameters.
  • Page 33 3 SPECIFICATIONS MELSEC-A (5) Station number set on flash ROM (buffer memory address: 514 (202 Stores the station number of the A1SJ71PB93D set to the flash ROM. The storage range is 0 to 125. If the station number is not set to the flash ROM (the station number is as set in the factory or has been cleared), "FFFF "...
  • Page 34 3 SPECIFICATIONS MELSEC-A (7) Station number rewritable count to flash ROM (buffer memory address: 516 (204 Stores the remaining number of times when the station number setting can be saved onto the flash ROM during operation. The initial value is 60. Counting down the number of times Every time the station number is changed on the flash ROM, the count is decremented by 1.
  • Page 35 3 SPECIFICATIONS MELSEC-A When extended trouble occurs When the host becomes faulty, for example, the data stored in the extended trouble information area of the buffer memory is sent to the master station as extended trouble information. In the following procedure, the A1SJ71PB93D can notify the master station of the extended trouble of the host.
  • Page 36 3 SPECIFICATIONS MELSEC-A (10) Current operation mode (buffer memory address: 2254 (8CE Stores the current operation mode. Refer to Section 3.6 for the operation mode. Stored Value Mode 0000 Normal operation mode 0002 Self-diagnostic mode At power-on or programmable controller CPU reset, the module starts in the normal operation mode.
  • Page 37 3 SPECIFICATIONS MELSEC-A (13) Current communication watchdog timer value (buffer memory address: 2257 (8D1 Stores the communication watchdog timer value set in the master side parameters. The stored value is invalid if the I/O communication signal (X01) is off. : Communication watchdog timer setting invalid Other than 0 : Communication watchdog timer setting (in increments of 10ms) When the master station becomes faulty, the send/receive data and I/O communication signal (X01) statuses change depending on the communication...
  • Page 38 3 SPECIFICATIONS MELSEC-A (15) Output receive area used status (buffer memory address: 2272 to 2283 (8E0 to 8EB Stores the used status of the output receive area. The bits corresponding to the buffer memory addresses in output receive area set by the master station parameters (Data module setting) turn on. The stored value while the I/O communication signal (X01) is on is valid.
  • Page 39 3 SPECIFICATIONS MELSEC-A (16) Input send area used status (buffer memory address: 2288 to 2299 (8F0 to 8FB Stores the used status of the input send area. The bits corresponding to the buffer memory addresses of the input send area set in the master station parameters (Data module setting) turn on.

  • Page 40: Operation Mode

    3 SPECIFICATIONS MELSEC-A 3.6 Operation Mode The A1SJ71PB93D has two operation modes, normal operation mode and self- diagnostic mode. The modes will be described. Reference Operation Mode Description Section In this mode, communication is made as in the slave parameters set to the master station. Normal operation mode Communication can be made if the slave parameters Section 4.1.1...

  • Page 41: Functions

    4 FUNCTIONS MELSEC-A 4 FUNCTIONS 4.1 Functions for Communication with Class 1 Master This section explains the functions provided for communication between the A1SJ71PB93D and class 1 master station. 4.1.1 I/O data communication function This function allows the A1SJ71PB93D to operate as a PROFIBUS-DP slave station and to communicate I/O data with the master station.
  • Page 42 4 FUNCTIONS MELSEC-A (1) Reading/writing I/O data (a) Where to be stored The I/O data are stored in the following buffer memory of the A1SJ71PB93D. • Input data: Input send area (Buffer memory address: 256 to 447 (100 to 1BF •...
  • Page 43 4 FUNCTIONS MELSEC-A [Receiving output data from the master station] Data Data Data Data Output area Master station side Bc 1) Bc 2) Bc 3) Bc 4) Bus cycle time (Bc) Turned on when communication Turned off when communication with master station is ready. with master station is disabled.

  • Page 44: Global Control Functions

    4 FUNCTIONS MELSEC-A 4.1.2 Global control functions The inputs/outputs of slave stations are controlled simultaneously for each specified group by multicasting (broadcasting) from the master station. (Refer to (1) in this section) Set group numbers when using the global control function. The group numbers are set to the slave parameters of the master station.
  • Page 45 4 FUNCTIONS MELSEC-A (a) At receive of SYNC and UNSYNC services 1) Before receiving SYNC service A1SJ71PB93D Class 1 master Input/Output Buffer Image memory memory station Input send Input data Input data area Output Output data Output data receive area 2) After receiving SYNC service A1SJ71PB93D SYNC service...

  • Page 46: Group Selection

    4 FUNCTIONS MELSEC-A (b) At receive of FREEZE and UNFREEZE services 1) Before receiving FREEZE service A1SJ71PB93D Class 1 master Input/Output Buffer Image memory memory station Input Input data Input data send area Output Output data Output data receive area 2) After receiving FREEZE service A1SJ71PB93D FREEZE service...

  • Page 47: Word Data Swapping Function

    4 FUNCTIONS MELSEC-A 4.1.3 Word data swapping function The high and low bytes are swapped in word units when input or output data are sent to or received from the master station. Use this function when the used master station handles the high and low bytes of word data in reverse to those of the A1SJ71PB93D.
  • Page 48 4 FUNCTIONS MELSEC-A (b) Operation outline When the QJ71PB92V, QJ71PB92D, A1SJ71PB92D or AJ71PB92D is used as the master station, the operation outline is as shown below. 1) When the master station is the QJ71PB92V/QJ71PB92D/A1SJ71PB92D/AJ71PB92D (Not swapped) Master station A1SJ71PB93D Input data Input sending area Data 1 Data 1...
  • Page 49 4 FUNCTIONS MELSEC-A ) When the upper and lower bytes of the word data are handled inversely between the master station and A1SJ71PB93D Master station A1SJ71PB93D Input data Input sending area Data 1 Data 1 Data 1 Data 1 Data 1 Data 1 Input image Data 2...
  • Page 50 4 FUNCTIONS MELSEC-A (c) How to set the swap function The swap function can be set as a slave parameter of the master station (Word Data Swap in the user parameters setting). Slave parameters of the master station are set from configuration tool on the master station.

  • Page 51: Procedures Before System Operation

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5 PROCEDURES BEFORE SYSTEM OPERATION 5.1 Procedures before Operation The following diagram illustrates the procedure before system operation. Start Load the A1SJ71PB93D to the base unit. Check that the A1SJ71PB93D operates properly as a single module. Refer to Section 5.6.

  • Page 52: Parameter Setting To Master Station

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.2 Parameter Setting to Master Station In PROFIBUS-DP systems, slave parameters for the A1SJ71PB93D must be set to the master station. For the setting method, refer to the manual of the configuration tool to be used. Item Description Reference...
  • Page 53 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (1) Procedure for setting the slave parameters for A1SJ71PB93D to the master station 1. Read the GSD (DDB) file of the A1SJ72PB93D to the configurator corresponding to the master station used. (Refer to (2) in this section) 2.

  • Page 54: Data Module Setting

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.2.1 Data module setting Set the I/O configuration information of the master station and A1SJ71PB93D. (1) Number of data modules to be set Set the data modules per A1SJ71PB93D within the following range. • Number of data modules: Max. 40 modules •...
  • Page 55 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (a) Total data size The total data size of the data modules 0 to 2 is as follows. • Input date size: Data module 0 (input, 4 words) + data module 2 (input, 2 words) = 6 words •...
  • Page 56 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (4) Setting method when using GX Configurator-DP This section describes how to make setting from GX Configurator-DP. When using another configuration tool, refer to the relevant manual. 1) Add a slave station on the graphical network editor. Right-click on the cable section.
  • Page 57 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 3) Click the Select Modules button in the Slave Parameter Settings dialog box. Click the Select Modules button. 4) Perform the data module setting. 5) Write the configured parameters into the master station. REMARKS Refer to the GX Configurator-DP Operating Manual for creating projects and writing parameters to the master station by GX Configurator-DP.

  • Page 58: Data Assignment Mode Setting

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.2.2 Data assignment mode setting Set how to assign each module in the output receive area or the input send area of the buffer memory. This section gives an example of the output receive area and the input send area in the following data module setting.
  • Page 59 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (1) Data assignment modes There are the following two assignment modes. (a) DIVIDED mode In this mode, storage location of I/O data is assigned in the same way as the actual input/output of data modules. Since arrangement in the assignment is the same as that of the actual inputs and outputs, reading from or writing to I/O modules and/or special function modules can be done with a single FROM/TO instruction.
  • Page 60 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (2) Setting method when using GX Configurator-DP This section describes how to make setting from GX Configurator-DP. When using another configuration tool, refer to the relevant manual. 1) From GX Configurator-DP, open the Slave Parameter Settings dialog box.

  • Page 61: Swap Setting

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.2.3 Swap setting Set whether the word data swap function will be used or not. Refer to Section 4.1.3 for the word data swap function. (1) Setting method when using GX Configurator-DP This section describes how to make setting from GX Configurator-DP. When using another configuration tool, refer to the relevant manual.
  • Page 62 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 2) Make a desired setting for Word Data Swap. Swap function setting Item Description enable : Swaps the high and low bytes of data in units of Word Data Swap words when receiving or sending I/O data. disable : Sends or receives I/O data as they are.

  • Page 63: Station Number Setting To Slave Station (A1Sj71Pb93D)

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.3 Station Number Setting to Slave Station (A1SJ71PB93D) To use the A1SJ71PB93D, set a station number (0 to 125) to the A1SJ71PB93D. (1) Setting a station number Set a station number with the sequence program. For the sequence program used for station number setting, refer to Section 7.2.

  • Page 64: Installation

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.4 Installation The following section explains the precautions when handling the A1SJ71PB93D, from the time they are unpacked until they are installed. For more details on the module installation, see the user's manual for the programmable controller CPU used.

  • Page 65: Part Names And Settings

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.5 Part Names and Settings Following is an explanation of the A1SJ71PB93D part names and settings. 1SJ71PB93D TEST ERR. SYNC FREEZE PROFIBUS I/F A1SJ71PB93D Name Description Displays the A1SJ71PB93D status. (Refer to (1) in this section) PROFIBUS interface connector Connector for connecting the table for the PROFIBUS-DP network.
  • Page 66 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (1) LED 1SJ71PB93D TEST ERR. SYNC FREEZE Description Reference Name Hardware fault (module Normal watchdog timer error) or Section 8.1 power failure Parameter setting error or ERR. Normal Section 8.1 module error occurrence ⎯ SYNC During SYNC mode Section 4.1.2...

  • Page 67: Execution Method For Self-Diagnosis

    (b) When completed abnormally If the self-diagnostics results in an error, please consult your local Mitsubishi representative, explaining a detailed description of the problem. (4) Instructions During the self-diagnosis, do not monitor the A1SJ71PB93D buffer memory from GX Developer.

  • Page 68: Wiring

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.7 Wiring 5.7.1 PROFIBUS cable wiring The following describes the pin assignments of the PROFIBUS interface connector on the A1SJ71PB93D, the PROFIBUS cable wiring specifications, bus terminator and other information. (1) Pin assignments of the PROFIBUS interface connector The following shows the pin assignments of the PROFIBUS interface connector (D-sub 9 pin female connector) on the A1SJ71PB93D.
  • Page 69 5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A (b) Wiring A1SJ71PB93D SHIELD PROFIBUS cable RxD/TxD-P (red) RxD/TxD-N (green) (3) Connector Use a D-sub 9 pin male connector for the PROFIBUS cable. The applicable screw size is #4-40 UNC. (4) Wiring specifications for bus terminator When the A1SJ71PB93D is a terminal station, use a connector with built-in bus terminator that meets the following wiring specifications.

  • Page 70: Precautions Against Wiring

    5 PROCEDURES BEFORE SYSTEM OPERATION MELSEC-A 5.7.2 Precautions against wiring As one of the requirements to give full play to A1SJ71PB93D’s functions and make up the system with high reliability, it is necessary to have an external wiring unsusceptible to an influence of noise. Precautions against external wiring of A1SJ71PB93D is described below.

  • Page 71: Transmission Delay Time

    6 TRANSMISSION DELAY TIME MELSEC-A 6 TRANSMISSION DELAY TIME This section explains the processing time of the A1SJ71PB93D. Communication processing between the master station and A1SJ71PB93D is shown below. (1) The processing of the output receive data The following shows how the output data from the master station are read out to a programmable controller CPU.

  • Page 72: Transmission Delay Time Of Output Receive

    6 TRANSMISSION DELAY TIME MELSEC-A 6.1 Transmission Delay Time of Output Receive Transmission delay time of output receive = 1 sequence scan time + 0.2 [ms] 6.2 Transmission Delay Time of Input Send Transmission delay time of input send = Bus cycle time 2 + 0.2 [ms] 6 - 2 6 - 2...

  • Page 73: Programming

    7 PROGRAMMING MELSEC-A 7 PROGRAMMING This chapter gives program examples of station number setting, I/O data communication, and global control-driven program execution. Before using the program examples introduced in this chapter in an actual system, fully check that there is no problem in control on the target system. 7.1 Communication Sequence The following is the sequence of I/O data communication with the master station.

  • Page 74: Station Number Setting

    A1SH TEST STOP ERR. POWER L . CLR SYNC ERROR RESET RESET FREEZE MITSUBISHI PROFIBUS I/F PULL A1SJ71PB93D No.0 Module Input signal Output signal A1SJ71PB93D X0 to X1F Y0 to Y1F 1: The A1SJ71PB93D to be set shall be installed to slot 0 of the base unit.

  • Page 75: Program Example

    7 PROGRAMMING MELSEC-A (4) Program example Sets the station number to 1. (Stores the station number in the flash ROM)*1 Station number setting request. Stores the operating station number in D0. Resets the station number setting request. Resets the station number setting flag.

  • Page 76: Communication Of I/O Data

    Refer to (2) for the outline of the program example. A1SH 1S68D AV STOP POWER L . CLR ERROR RESET RESET MITSUBISHI PULL No.0 No.1 No.2 No.3 No.4 Module Input signal Output signal A1SJ71PB93D X0 to X1F Y0 to Y1F ⎯...
  • Page 77 7 PROGRAMMING MELSEC-A (b) Used states of A1SJ71PB93D output receive area and input send area Data in the output receive area (buffer memory address: 0 to 1 (0 to 1 are output to the A1SY41. Data in the output receive area (buffer memory address: 2 to 9 (2 to 9 are stored in D100 to D107, and output to the A1SD68DA.
  • Page 78 7 PROGRAMMING MELSEC-A (3) Assignment of devices in program examples The program examples given in this section use the following device assignments. (a) Devices used by module 1) A1SJ71PB93D Device Description Device Description ⎯ Input send area refresh directive ⎯ I/O communication Expansion trouble notification completion Expansion trouble notification request...
  • Page 79 7 PROGRAMMING MELSEC-A (c) Devices used for buffer memory reading Device Description Device Description Analog-to-digital conversion value to be input Operation mode storage D200 from the A1S64AD (CH.1 to 4) Operation mode change result D300 Extension trouble information data length Error code storage D301 Extension trouble information data...
  • Page 80 7 PROGRAMMING MELSEC-A (4) Program example <Initial input data write> Initial input data write. <Input send area refresh start> Input send area refresh start. <Output data read> Outputs data to Y40 to Y5F. Reads digital value from output data. Writes digital value to A1S68DA. <Input data write>...
  • Page 81 7 PROGRAMMING MELSEC-A <Cancel of extension trouble information notification> Cancels extension trouble information notification. Notifies master station of canceling extension trouble notification. Extension trouble notification request. Resets extension trouble information notification flag. <Operation mode change (Self-diagnosis mode)> Operation mode change request.

  • Page 82: Divided Mode

    Refer to (2) for the outline of the program example. A1SHCPU STOP RU N L . CLR RU N ERROR RESET RESET MITSUBISHI PULL No.0 No.1 No.2 No.3 No.4 Module Input signal Output signal A1SJ71PB93D X0 to X1F Y0 to Y1F ⎯...
  • Page 83 7 PROGRAMMING MELSEC-A (b) Used states of A1SJ71PB93D output receive area and input send area Data in the output receive area (buffer memory address: 2 to 7 (2 to 7 are output to the Y40 to Y9F. Data of the X20 to X7F are stored in the input send area (buffer memory address: 256 to 261 (100 to 105 A1SJ71PB93D...
  • Page 84 7 PROGRAMMING MELSEC-A (3) Assignment of devices in program examples The program examples given in this section use the following device assignments. (a) Devices used by module 1) A1SJ71PB93D Device Description Device Description ⎯ Input send area refresh directive ⎯ I/O communication Expansion trouble notification completion Expansion trouble notification request...
  • Page 85 7 PROGRAMMING MELSEC-A (4) Program example <Initial input data write> Initial input data write. <Input send area refresh start> Input send area refresh start. <Output data read> Outputs data to Y40 to Y9F. <Input data write> Write data in X20 to X3F and X60 to X7F to the input send area.
  • Page 86 7 PROGRAMMING MELSEC-A <Cancel of extension trouble information notification> Cancels extension trouble information notification. Notifies master station of canceling extension trouble notification. Extension trouble notification request. Resets extension trouble information notification flag. <Operation mode change (Self-diagnosis mode)> Operation mode change request.

  • Page 87: Global Control-Driven Program Execution

    This section shows a program example added when the program for the following configuration is executed using global control reception as a trigger. A1SHCPU STOP POWER L . CLR ERROR RESET RESET MITSUBISHI PROFIB US I/F PULL A1SJ71PB93D No.0 Module Input signal Output signal A1SJ71PB93D...

  • Page 88: Troubleshooting

    8 TROUBLESHOOTING MELSEC-A 8 TROUBLESHOOTING The following is the troubleshooting of the A1SJ71PB93D. When any error has occurred, first check the programmable controller CPU or power supply module for a fault. When the programmable controller CPU has no fault, refer to Sections 8.1 to 8.4. 8.1 LED-indicated Error Causes and Actions The following indicates the causes of the errors indicated by the LEDs and the actions to be taken.

  • Page 89: Causes Of Failure To Make Normal Data Communication And Actions To Be Taken

    8 TROUBLESHOOTING MELSEC-A 8.3 Causes of Failure to Make Normal Data Communication and Actions to Be Taken The following I/O signal status flowchart indicates the causes of a failure to make normal data communication and the actions to be taken. I/O signal status Is I/O communication (X01) ON?

  • Page 90: Error Code List

    8 TROUBLESHOOTING MELSEC-A 8.4 Error Code List The following are the error codes of the A1SJ71PB93D. Any of the error codes is stored into the module error information (buffer memory address: 2040 (7F8 )) at error occurrence. Error Code Error Name Description Corrective Action The station number saved on the flash ROM is...

  • Page 91: Appendix

    APPENDIX MELSEC-A APPENDIX Appendix 1 External Dimensions 1SJ71PB93D TEST ERR. SYNC FREEZE PROFIBUS I/F A1SJ71PB93D 6.5 (0.26) 93.6 (3.69) 4 (0.16) 34.5 (1.36) Unit : mm (inch) App - 1 App - 1...
  • Page 92 APPENDIX MELSEC-A MEMO App - 2 App - 2...

  • Page 93: Index

    INDEX area Min T_sdr ..............5- 2 expansion trouble information....3-18 module error information........3-18 input send ..........3-16 input send area used status ...... 3-23 number mountable ..........2- 1 output receive ..........3-16 output receive area used status....3-22 applicable programmable controller CPU modules operation baud rate..........3-16 ................
  • Page 94 MEMO Index - 2 Index - 2...

  • Page 95: Warranty

    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 96 Company and product names herein are either trademarks or registered trademarks of their respective owners. SH (NA)-080195-E...
  • Page 98 PROFIBUS-DP Slave Module Type A1SJ71PB93D User s Manual A1SJ71PB93D-U-S-E MODEL MODEL 13JR47 CODE SH(NA)-080195-E(0707)MEE 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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