Mitsubishi Electronics Mitsubishi Digital Electronics Home Theater Server QnUCPU User Manuals

Table of Contents

• SAFETY PRECAUTIONS

  3
• CONDITIONS OF USE FOR THE PRODUCT

  11
• REVISIONS

  12
• INTRODUCTION

  13
• CONTENTS

  14
• MANUALS

  20
• MANUAL PAGE ORGANIZATION

  22
• GENERIC TERMS AND ABBREVIATIONS

  23
• CHAPTER1 OVERVIEW

  25
  • 1.1 Processing Order in the CPU Module

    25
  • 1.2 Storing and Executing Programs

    26
  • 1.3 Structured Programming

    27
  • 1.4 Devices and Instructions Useful for Programming

    30
  • 1.5 Features

    35
  • 1.6 Checking Serial Number and Function Version

    37
• CHAPTER2 SEQUENCE PROGRAMS

  39
  • 2.1 Sequence Program Overview

    39
  • 2.2 Sequence Program Configuration

    41
    • 2.2.1 Main routine program

      42
    • 2.2.2 Subroutine program

      43
    • 2.2.3 Interrupt program

      44
  • 2.3 Settings When Program is Divided

    51
    • 2.3.1 Initial execution type program

      55
    • 2.3.2 Scan execution type program

      58
    • 2.3.3 Stand-by type program

      59
    • 2.3.4 Fixed scan execution type program

      64
    • 2.3.5 Changing the program execution type

      68
  • 2.4 Data Used in Sequence Programs

    70
    • 2.4.1 BIN (Binary Code)

      73
    • 2.4.2 HEX (Hexadecimal)

      75
    • 2.4.3 BCD (Binary-coded Decimal)

      76
    • 2.4.4 Real number (Floating-point data)

      77
    • 2.4.5 Character string data

      81
• CHAPTER3 CPU MODULE OPERATION

  82
  • 3.1 Initial Processing

    82
  • 3.2 I/O Refresh (Refresh Processing with Input/Output Modules)

    83
  • 3.3 Program Operation

    83
  • 3.4 END Processing

    83
  • 3.5 Operation Processing in the RUN,STOP, or PAUSE Status

    84
  • 3.6 Operation Processing during Momentary Power Failure

    86
  • 3.7 Data Clear Processing

    87
  • 3.8 I/O Processing and Response Delay

    89
    • 3.8.1 Refresh mode

      90
    • 3.8.2 Direct mode

      93
• CHAPTER4 ASSIGNMENT OF BASE UNIT AND I/O NUMBER

  96
  • 4.1 Base Unit Assignment

    96
    • 4.1.1 Base mode

      96
    • 4.1.2 Base unit assignment setting

      97
  • 4.2 I/O Number Assignment

    99
    • 4.2.1 Concept of I/O number assignment

      100
    • 4.2.2 Setting I/O numbers

      103
    • 4.2.3 I/O number setting example

      108
    • 4.2.4 Checking I/O numbers

      112
• CHAPTER5 MEMORIES AND FILES USED FOR CPU MODULE

  113
  • 5.1 Memories Used for CPU Module

    113
    • 5.1.1 Memory composition and storable data

      113
    • 5.1.2 Program memory

      117
    • 5.1.3 Program cache memory

      120
    • 5.1.4 Standard ROM

      123
    • 5.1.5 Standard RAM

      124
    • 5.1.6 Memory card

      126
    • 5.1.7 Writing to the Flash card by GX Developer

      130
    • 5.1.8 Operating the program in the memory card (boot operation)

      135
    • 5.1.9 Details of written files

      139
    • 5.1.10 Specifying valid parameters (parameter-valid drive setting)

      140
  • 5.2 Program File Structure

    142
  • 5.3 File Operations by GX Developer and Handling Precautions

    144
    • 5.3.1 File operations

      144
    • 5.3.2 Precautions for handling files

      145
    • 5.3.3 File size

      146
    • 5.3.4 Units of file sizes

      148
• CHAPTER6 FUNCTIONS

  151
  • 6.1 Function List

    151
  • 6.2 Constant Scan

    154
  • 6.3 Latch Function

    157
  • 6.4 Output Mode at Operating Status Change (STOP to RUN)

    160
  • 6.5 Clock Function

    163
  • 6.6 Remote Operation

    168
    • 6.6.1 Remote RUN/STOP

      168
    • 6.6.2 Remote PAUSE

      171
    • 6.6.3 Remote RESET

      173
    • 6.6.4 Remote latch clear

      175
    • 6.6.5 Relationship between remote operation and RUN/STOP status of the CPU module

      176
  • 6.7 Q Series-compatible Module Input Response Time Selection (I/O Response Time)

    177
  • 6.8 Error Time Output Mode Setting

    179
  • 6.9 H/W Error Time PLC Operation Mode Setting

    180
  • 6.10 Intelligent Function Module Switch Setting

    181
  • 6.11 Monitor Function

    183
    • 6.11.1 Monitor condition setting

      184
    • 6.11.2 Local device monitor/test

      190
    • 6.11.3 External input/output forced on/off

      193
    • 6.11.4 Executional conditioned device test

      198
  • 6.12 Writing Programs While CPU Module is in RUN Status

    208
    • 6.12.1 Online change (ladder mode)

      208
    • 6.12.2 Online change (files)

      211
    • 6.12.3 Precautions for online change

      213
  • 6.13 Execution Time Measurement

    219
    • 6.13.1 Program monitor list

      219
    • 6.13.2 Interrupt program monitor list

      222
    • 6.13.3 Scan time measurement

      223
  • 6.14 Sampling Trace Function

    227
  • 6.15 Debug Function from Multiple GX Developers

    241
    • 6.15.1 Simultaneous monitoring from multiple GX Developers function

      241
    • 6.15.2 Online change function from multiple GX Developers

      243
  • 6.16 Watchdog Timer (WDT)

    245
  • 6.17 Self-diagnostic Function

    247
    • 6.17.1 LEDs indicating errors

      254
    • 6.17.2 Error clear

      254
  • 6.18 Error History

    255
  • 6.19 System Protection

    256
    • 6.19.1 Password registration

      256
    • 6.19.2 Remote password

      258
  • 6.20 System Display of CPU Module with GX Developer

    263
  • 6.21 LED Indication

    266
    • 6.21.1 Methods for turning off the LEDs

      266
    • 6.21.2 LED indication priority

      267
  • 6.22 Interrupt from Intelligent Function Module

    269
  • 6.23 Serial Communication Function

    270
  • 6.24 Service Processing

    278
    • 6.24.1 Service processing setting

      278
  • 6.25 Initial Device Value

    285
  • 6.26 Battery Life-prolonging Function

    289
  • 6.27 Memory Check Function

    290
  • 6.28 Latch Data Backup to Standard ROM Function

    291
  • 6.29 Writing/Reading Device Data to/from Standard ROM

    296
  • 6.30 CPU Module Change Function with Memory Card

    297
    • 6.30.1 Backup function to memory card

      299
    • 6.30.2 Backup data restoration function

      307
  • 6.31 Module model name read

    311
  • 6.32 Module error collection

    312
• CHAPTER7 COMMUNICATIONS WITH INTELLIGENT FUNCTION MODULE

  316
  • 7.1 Communications between CPU Module and Intelligent Function Module

    316
    • 7.1.1 Initial setting and auto refresh setting by GX Configurator

      317
    • 7.1.2 Initial setting by initial device value

      320
    • 7.1.3 Communications with the FROM and TO instructions

      320
    • 7.1.4 Communications using the intelligent function module device

      321
    • 7.1.5 Communications using the intelligent function module dedicated instruction

      323
• CHAPTER8 PARAMETERS

  325
  • 8.1 PLC Parameters

    326
  • 8.2 Network Parameters

    345
  • 8.3 Remote Password

    350
• CHAPTER9 DEVICES

  351
  • 9.1 Device List

    351
  • 9.2 Internal User Device

    353
    • 9.2.1 Input (X)

      356
    • 9.2.2 Output (Y)

      358
    • 9.2.3 Internal relay (M)

      359
    • 9.2.4 Latch relay (L)

      360
    • 9.2.5 Annunciator (F)

      361
    • 9.2.6 Edge relay (V)

      365
    • 9.2.7 Link relay (B)

      366
    • 9.2.8 Link special relay (SB)

      368
    • 9.2.9 Step relay (S)

      369
    • 9.2.10 Timer (T)

      370
    • 9.2.11 Counter (C)

      377
    • 9.2.12 Data register (D)

      381
    • 9.2.13 Link register (W)

      382
    • 9.2.14 Link special register (SW)

      384
  • 9.3 Internal System Devices

    385
    • 9.3.1 Function devices (FX, FY, FD)

      385
    • 9.3.2 Special relay (SM)

      388
    • 9.3.3 Special register (SD)

      389
  • 9.4 Link Direct Device (J\)

    390
  • 9.5 Module Access Devices

    393
    • 9.5.1 Intelligent function module device (U\G)

      393
    • 9.5.2 Cyclic transmission area device (U3En\G)

      395
  • 9.6 Index Register (Z)/Standard Device Resister (Z)

    396
    • 9.6.1 Index register (Z)

      396
    • 9.6.2 Standard device register (Z)

      398
    • 9.6.3 Switching from the scan execution type program to the interrupt/fixed scan execution type program

      399
  • 9.7 File Register (R)

    403
    • 9.7.1 File register data storage location

      404
    • 9.7.2 File register size

      404
    • 9.7.3 Differences in available accesses by storage memory

      405
    • 9.7.4 Registration procedure for the file register

      406
    • 9.7.5 Specification methods of the file register

      411
    • 9.7.6 Precautions for using the file register

      412
  • 9.8 Extended Data Register (D) and Extended Link Register (W)

    414
  • 9.9 Nesting (N)

    420
  • 9.10 Pointer (P)

    421
    • 9.10.1 Local pointer

      422
    • 9.10.2 Common pointer

      424
  • 9.11 Interrupt Pointer(I)

    426
    • 9.11.1 List of interrupt pointer numbers and interrupt factors

      427
  • 9.12 Other Devices

    428
    • 9.12.1 SFC block device (BL)

      428
    • 9.12.2 Network No. specification device (J)

      428
    • 9.12.3 I/O No. specification device (U)

      429
    • 9.12.4 Macro instruction argument device (VD)

      430
  • 9.13 Constants

    431
    • 9.13.1 Decimal constant (K)

      431
    • 9.13.2 Hexadecimal constant (H)

      431
    • 9.13.3 Real number (E)

      432
    • 9.13.4 Character string (" ")

      433
  • 9.14 Convenient Usage of Devices

    434
    • 9.14.1 Global device

      434
    • 9.14.2 Local device

      435
• CHAPTER10 CPU MODULE PROCESSING TIME

  445
  • 10.1 Scan Time

    445
    • 10.1.1 Scan time structure

      445
    • 10.1.2 Time required for each processing included in scan time

      446
    • 10.1.3 Factors that increase the scan time

      455
• CHAPTER11 PROCEDURES FOR WRITING PROGRAM TO CPU MODULE

  463
  • 11.1 Items to be Considered for Creating Programs

    463
  • 11.2 Hardware Check

    465
  • 11.3 Procedure for Writing One Program

    467
  • 11.4 Procedure for Writing Multiple Programs

    469
  • 11.5 Procedure for Boot Operation

    472
• CHAPTER12 SPECIAL RELAY LIST AND SPECIAL REGISTER LIST

  473
  • 12.1 SPECIAL RELAY LIST

    473
  • 12.2 SPECIAL REGISTER LIST

    499
• APPENDICES

  551
  • Appendix 1 List of Parameter Numbers

    551
  • Appendix 2 Functions Added or Changed by Version Upgrade

    556
  • Appendix 3 Method of Replacing Basic Model QCPU or High Performance Model QCPU with Universal Model QCPU

    558
    • Appendix 3.1 Replacement Precautions

      558
      • Appendix 3.1.1 Replacing Basic model QCPU with Universal model QCPU

        558
      • Appendix 3.1.2 Replacing High Performance model QCPU with Universal model QCPU

        562
    • Appendix 3.2 Applicable devices and software

      569
    • Appendix 3.3 Instructions

      573
      • Appendix 3.3.1 Instructions not supported in the Universal model QCPU and replacing methods

        573
      • Appendix 3.3.2 Replacing programs using multiple CPU transmission dedicated instructions

        575
      • Appendix 3.3.3 Program replacement examples

        576
    • Appendix 3.4 Functions

      590
      • Appendix 3.4.1 Floating-point operation instructions

        590
      • Appendix 3.4.2 Error check processing for floating-point data comparison instructions

        598
      • Appendix 3.4.3 Range check processing for index-modified devices

        602
      • Appendix 3.4.4 Device latch function

        605
      • Appendix 3.4.5 File usability setting

        607
      • Appendix 3.4.6 Parameter-valid drive and boot file setting

        610
      • Appendix 3.4.7 External input/output forced on/off function

        613
    • Appendix 3.5 Special Relay and Special Register

      617
      • Appendix 3.5.1 Special relay list

        617
      • Appendix 3.5.2 Special register list

        620
  • Appendix 4 Device Point Assignment Sheet

    622
• INDEX

  623
• Warranty

  627