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OMRON SYSMAC CQM1H Programming Manual

OMRON SYSMAC CQM1H Programming Manual (443 pages)

Programmable Controllers

Brand: OMRON | Category: Controller | Size: 8.65 MB

Table of Contents

Table of Contents

19
Precautions

25
- General Precautions
  26
- Intended Audience
  26
- Safety Precautions
  26
- Application Precautions
  28
- Operating Environment Precautions
  28
- Conformance to EC Directives
  32
  - Applicable Directives
    32
  - Concepts
    32
  - Conformance to EC Directives
    33
  - Relay Output Noise Reduction Methods
    33
Section 1 CPU Unit Operation

39
- CPU Unit Operation
  39
  - Initial Setup (CS1 CPU Units Only)
    40
  - Using the Internal Clock (CS1 CPU Units Only)
    43
  - Internal Structure of the CPU Unit
    44
    
    Overview
    44
    
    Block Diagram of CPU Unit Memory
    45
  - Operating Modes
    47
    
    Description of Operating Modes
    47
    
    Initialization of I/O Memory
    48
    
    Startup Mode
    49
  - Programs and Tasks
    51
  - Description of Tasks
    53
Section 2 Programming

59
- Programming
  59
  - Basic Concepts
    60
    
    Programs and Tasks
    60
    
    Basic Information on Instructions
    61
    
    Instruction Location and Execution Conditions
    63
    
    Addressing I/O Memory Areas
    64
    
    Specifying Operands
    65
    
    Data Formats
    70
    
    Instruction Variations
    73
    
    Execution Conditions
    74
    
    I/O Instruction Timing
    76
    
    Refresh Timing
    78
    
    Program Capacity
    81
    
    Basic Ladder Programming Concepts
    82
    
    Inputting Mnemonics
    87
    
    Program Examples
    90
  - Precautions
    95
    
    Condition Flags
    95
    
    Special Program Sections
    100
  - Checking Programs
    104
    
    Errors During Programming Device Input
    104
    
    Program Checks with the CX-Programmer
    104
    
    Program Execution Check
    104
    
    Checking Fatal Errors
    106
Section 3 Instruction Functions

109
- Instruction Functions
  109
  - Sequence Input Instructions
    110
  - Sequence Output Instructions
    112
  - Sequence Control Instructions
    115
  - Timer and Counter Instructions
    119
  - Comparison Instructions
    124
  - Data Movement Instructions
    128
  - Data Shift Instructions
    131
  - Increment/Decrement Instructions
    135
  - Symbol Math Instructions
    136
  - Conversion Instructions
    141
  - Logic Instructions
    148
  - Special Math Instructions
    150
  - Floating-Point Math Instructions
    151
  - Double-Precision Floating-Point Instructions
    157
  - Table Data Processing Instructions
    161
  - Data Control Instructions
    165
  - Subroutine Instructions
    169
  - Interrupt Control Instructions
    170
  - High-Speed Counter and Pulse Output Instructions (CJ1M-CPU21/22/23 Only)
    172
  - Step Instructions
    174
  - Basic I/O Unit Instructions
    174
  - Serial Communications Instructions
    178
  - Network Instructions
    179
  - File Memory Instructions
    181
  - Display Instructions
    183
  - Clock Instructions
    183
  - Debugging Instructions
    184
  - Failure Diagnosis Instructions
    185
  - Other Instructions
    186
  - Block Programming Instructions
    187
  - Text String Processing Instructions
    193
  - Task Control Instructions
    196
  - Model Conversion Instructions (CPU Unit Ver. 3.0 or Later Only)
    197
  - Special Function Block Instructions
    198
Section 4 Tasks

199
- Tasks
  199
  - Task Features
    200
    
    Overview
    200
    
    Tasks and Programs
    201
    
    Basic CPU Unit Operation
    202
    
    Types of Tasks
    204
    
    Task Execution Conditions and Settings
    206
    
    Cyclic Task Status
    207
    
    Status Transitions
    208
  - Using Tasks
    209
    
    TASK on and TASK off
    209
    
    Task Instruction Limitations
    213
    
    Flags Related to Tasks
    214
    
    Designing Tasks
    217
    
    Global Subroutines
    218
  - Interrupt Tasks
    219
    
    Types of Interrupt Tasks
    219
    
    Interrupt Task Priority
    226
    
    Interrupt Task Flags and Words
    227
    
    Application Precautions
    228
  - Programming Device Operations for Tasks
    233
    
    Using Multiple Cyclic Tasks
    233
    
    Programming Device Operations
    233
Section 5 File Memory Functions

235
- File Memory Functions
  235
  - File Memory
    236
    
    Types of File Memory
    236
    
    Files Stored in File Memory
    238
    
    Description of File Operating Procedures
    252
    
    Applications
    253
  - Manipulating Files
    255
    
    Programming Devices (Including Programming Consoles)
    255
    
    FINS Commands
    259
    
    User Instructions for File Memory Operations
    260
    
    Replacement of the Entire Program During Operation
    265
    
    Automatic Transfer at Startup
    271
    
    Simple Backup Function
    277
  - Using File Memory
    289
    
    Initializing Media
    289
    
    Operating Procedures
    291
    
    Power Interruptions While Accessing File Memory
    296
Section 6 Advanced Functions

297
- Advanced Functions
  297
  - Cycle Time/High-Speed Processing
    299
    
    Minimum Cycle Time
    299
    
    Maximum Cycle Time (Watch Cycle Time)
    300
    
    Cycle Time Monitoring
    301
    
    High-Speed Inputs
    301
    
    Interrupt Functions
    302
    
    I/O Refreshing
    302
    
    Background Execution
    310
    
    Sharing Index and Data Registers between Tasks
    317
  - Index Registers
    319
    
    What Are Index Registers
    319
    
    Using Index Registers
    319
    
    Processing Related to Index Registers
    322
  - Serial Communications
    329
    
    Host Link Communications
    331
    
    No-Protocol Communications
    336
    
    NT Link (1:N Mode)
    337
    
    CPU Unit's Serial Gateway
    338
    
    Serial PLC Links (CJ1M CPU Units Only)
    343
  - Changing the Timer/Counter PV Refresh Mode
    349
    
    Overview
    349
    
    Functional Specifications
    350
    
    BCD Mode/Binary Mode Selection and Confirmation
    351
    
    BCD Mode/Binary Mode Mnemonics and Data
    353
    
    Restrictions
    353
    
    Instructions and Operands
    355
  - Using a Scheduled Interrupt as a High-Precision Timer (CJ1-H-R and CJ1M Only)
    357
    
    Setting the Scheduled Interrupt to Units of 0.1 Ms
    358
  - Startup Settings and Maintenance
    359
    
    Specifying a Reset Start with MSKS(690)
    359
    
    Reading the Internal Timer PV with MSKR(692)
    359
    
    Hot Start/Hot Stop Functions
    360
    
    Startup Mode Setting
    361
    
    RUN Output
    362
    
    Power off Detection Delay Setting
    363
    
    Disabling Power off Interrupts
    363
    
    Clock Functions
    364
    
    Program Protection
    366
    
    Write-Protection from FINS Commands Sent to CPU Units Via Networks
    368
    
    Remote Programming and Monitoring
    369
    
    Unit Profiles
    370
    
    Flash Memory
    370
    
    Startup Condition Settings
    372
  - Diagnostic Functions
    373
    
    Error Log
    373
    
    Output off Function
    374
    
    Failure Alarm Functions
    375
    
    Failure Point Detection
    375
    
    Simulating System Errors
    377
    
    Disabling Error Log Storage of User-Defined FAL Errors
    378
  - CPU Processing Modes
    379
  - Peripheral Servicing Priority Mode
    384
    
    Parallel Processing Mode and Minimum Cycle Times
    384
    
    Data Concurrency in Parallel Processing with Asynchronous Memory Access
    384
    
    Peripheral Servicing Priority Mode
    385
    
    Temporarily Disabling Priority Mode Servicing
    387
  - Battery-Free Operation
    389
  - Other Functions
    392
    
    I/O Response Time Settings
    392
    
    I/O Area Allocation
    393
Section 7 Program Transfer, Trial Operation, and Debugging

395
- Program Transfer, Trial Operation, and Debugging
  
  395
  - Program Transfer
    396
  - Trial Operation and Debugging
    397
    
    Forced Set/Reset
    397
    
    Differential Monitoring
    397
  - Online Editing
    398
  - Tracing Data
    401
  - And CV-Series Plcs
    405
  - Changes from Previous Host Link Systems
    431
  - B Changes from Previous Host Link Systems
    434
  - Index
    435
- Revision History
  
  441

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