Mitsubishi QCPU (Q Mode)

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MELSEC-Q

5 ASSIGNMENT OF I/O NUMBERS

MEMO

Table of Contents

Default Chapter2
- Safety Instructions2
- Revisions7
- Table of Contents8
- Contents15
- Manuals18
- Overview19
- How to Use this Manual19
- Generic Terms and Abbreviations20
1 Overview21
- Features22
- Programs25
- Convenient Programming Devices and Instructions28
2 System Configuration for Single Cpu System32
- System Configuration32
- Precaution on System Configuration35
3 Performance Specification38
4 Sequence Program Configuration and Execution Conditions41
- Sequence Program41
- Program Execute Type50
- Operation Processing74
- RUN, STOP, PAUSE Operation Processing76
- Operation Processing During Momentary Power Failure77
- Data Clear Processing78
- I/O Processing and Response Lag79
  - Refresh Mode79
  - Direct Mode82
- Numeric Values Which Can be Used in Sequence Programs84
- Character String Data92
5 Assignment of I/O Numbers93
- Relationship between the Number of Stages and Slots of the Extension Base Unit93
- Installing Extension Base Units and Setting the Number of Stages94
- Base Unit Assignment (Base Mode)95
- What Are I/O Numbers99
- Concept of I/O Number Assignment100
  - I/O Numbers of Main Base Unit and Extension Base Unit100
  - Remote Station I/O Number102
- I/O Assignment by GX Developer103
  - Purpose of I/O Assignment by GX Developer103
  - Concept of I/O Assignment Using GX Developer104
- Examples of I/O Number Assignment107
- Checking the I/O Numbers110
6 High Performance Model Qcpu Files112
- About the High Performance Model Qcpu's Memory114
- Program Memory117
- About the Standard ROM119
- About the Standard RAM120
- Memory Card122
- Writing Data to the Standard ROM or the Flash Card123
  - Writing Data to the Standard ROM or to the Flash Card Using GX Developer123
  - Automatic Write to Standard ROM (Auto Download All Data from Memory Card to Standard ROM)125
- Executing Standard Rom/Memory Card Programs (Boot Run)128
- Program File Configuration131
- GX Developer File Operation and File Handling Precautions133
7 Function137
- Function List137
- Constant Scan138
- Latch Functions141
- Latch Clear Operation141
- Setting the Output (Y) Status When Changing From/To STOP Status To/From RUN Status143
- Clock Function145
- Remote Operation148
  - Remote RUN/STOP148
  - Remote PAUSE151
  - Remote RESET153
  - Remote Latch Clear155
  - Relationship of the Remote Operation and High Performance Model QCPU RUN/STOP Switch156
  - Selecting the Response Time of the Input Module157
  - Selecting the Response Time of the High Speed Input Module158
  - Selecting the Response Time of the Interrupt Module159
- Setting the Switches of the Intelligent Function Module160
- Monitoring Function161
  - Monitor Condition Setting161
  - Monitoring Test for Local Device165
  - Enforced ON/OFF for External I/O167
- Writing in Program During High Performance Model QCPU RUN171
  - Writing Data in the Circuit Mode During RUN171
  - Writing a Batch of Files During RUN174
- Execution Time Measurement176
  - Program Monitor List176
  - Interrupt Program Monitor List180
  - Scan Time Measurement181
- Sampling Trace Function183
- Debug Function with Multiple Users192
  - Multiple-User Monitoring Function193
  - Multiple-User RUN Write Function194
- Watch Dog Timer (WDT)196
- Self-Diagnosis Function198
  - Interrupt Due to Error Occurrence201
  - LED Display When Error Occurs201
  - Error Caucellation202
- Failure History203
- System Protect204
  - Password Registration204
  - Remote Password208
- Monitoring High Performance Model QCPU System Status from GX Developer (System Monitor)209
- LED Display213
  - Priority Setting215
- High Speed Interrupt Function217
  - High Speed Interrupt Program Execution219
  - High Speed I/O Refresh, High Speed Buffer Transfer220
- Contents221
  - Processing Time222
  - Restrictions224
- Module Service Interval Time Reading227
8 Communication with Intelligent Function Module/Special Function Module229
- Communication between High Performance Model QCPU and Q-Series Intelligent Function Modules229
- Request from Intelligent Function Module to High Performance Model QCPU234
  - Interrupt from the Intelligent Function Module234
- Communication between High Performance Model QCPU and Ans Series Special Function Modules235
9 Parameter List238
- Power Supply Module243
10 Devices248
- Device List248
- Internal User Devices250
- Internal System Devices278
- Link Direct Devices (J \ )282
- Intelligent Function Module Devices (U \G )285
- Index Registers (Z)286
  - Switching between Scan Execution Type Programs and Low Speed Execution Type Programs287
  - Switching between Scan/Low Speed Execution Type Programs and Interrupt/ Fixed Scan Execution Type Programs288
- File Registers (R)290
- Nesting (N)299
- Pointers (P)300
  - Local Pointers300
  - Common Pointers301
- Interrupt Pointers (I)303
- Other Devices305
- Constants308
- Convenient Uses for Devices310
  - Global Devices and Local Devices310
  - Device Initial Values316
11 High Performance Model Qcpu Processing Time319
- Reading High Performance Model Qcpu's Scan Time319
- Factors Responsible for Extended Scan Time320
- Factors Responsible for Shortened Scan Time322
12 PROCEDURE for WRITING PROGRAMS to HIGH PERFORMANCE MODEL QCPU 12- 1 To-12323
- Writing Procedure for 1 Program323
  - Items to Consider When Creating One Program323
  - Procedure for Writing Programs to the High Performance Model QCPU324
- Procedure for Multiple Programs327
  - Items to Consider When Creating Multiple Programs327
  - Procedure for Writing Programs to the High Performance Model QCPU328
13 Outline of Multiple Plc Systems331
- Features331
- Outline of Multiple PLC Systems333
- Differences with Single CPU Systems335
14 System Configuration of Multiple Plc Systems337
- System Configuration337
- Precautions for Multiple PLC System Configuration340
15 Allocating Multiple Plc System I/O Numbers357
- Concept Behind Allocating I/O Numbers357
  - I/O Modules and Intelligent Function Module I/O Numbers357
  - I/O Number of High Performance Model QCPU, Motion CPU and PC CPU Module358
16 Communication between Cpu Modules in Multiple Plc System360
- Automatic Refresh of CPU Shared Memory361
- Communication with Multiple PLC Instructions and Intelligent Function Module Devices368
- Interactive Communications between the High Performance Model QCPU and Motion CPU370
  - Control Commands from the High Performance Model QCPU to the Motion CPU370
  - Reading and Writing Device Data371
- CPU Shared Memory372
17 Communications between the Multiple Plc System's I/Omodules and Intelligent Function Modules375
- Range of Control PLC Communications375
- Range of Non-Control PLC Communications375
18 PROCESSING TIME for MULTIPLE PLC SYSTEM HIGH PERFORMANCE MODEL Qcpus380
- Concept Behind CPU Scanning Time380
- Factor to Prolong the Scan Time381
19 Starting up the Multiple Plc System383
- Flow-Chart for Starting up the Multiple PLC System383
- Setting up the Multiple PLC System Parameters (Multiple PLC Settings, Control PLC Settings)385
- Appendices392
- APPENDIX 1 Special Relay List392
- APPENDIX 2 Special Register List428
APPENDIX 3 List of Interrupt Pointer Nos. & Interrupt Factors449

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