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14 Serial Communications

14-2

CP2E CPU Unit Software User’s Manual(W614)

14-7-2 Flow of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-43

14-7-3 PLC Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-43

14-7-4 Operation Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-44

14-7-5 Command and Response Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-45

14-7-6 Related special auxiliary relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-51

14-8 Precautions on the usage of RS-485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-52

SYSMAC CP Series CP2E CPU Unit Software USER'S MANUAL1
Introduction5
- Introduction5
  - Intended Audience5
  - Applicable Products5
- CP2E CPU Unit Manuals6
  - Manual Configuration7
- Manual Structure9
- Sections in this Manual11
- CONTENTS12
- Terms and Conditions Agreement19
- Safety Precautions21
  - Definition of Precautionary Information21
  - Symbols21
- Precautions for Safe Use23
- Regulations and Standards25
  - Trademarks25
- Software Licenses and Copyrights26
- Related Manuals27
Section 1 Overview29
- 1-1 CP2E Overview30
  - 1-1-1 Overview of Features30
- 1-2 Basic Operating Procedure31
Section 2 Internal Memory in the CPU Unit33
- 2-1 Internal Memory in the CPU Unit34
Section 3 CPU Unit Operation37
- 3-1 CPU Unit Operation38
  - 3-1-1 Overview of CPU Unit Operation38
  - 3-1-2 CPU Unit Operating Modes39
- 3-2 Backing Up Memory41
Section 4 Understanding Programming45
- 4-1 Programming46
- 4-2 Tasks, Sections, and Symbols50
- 4-3 Function Blocks52
- 4-4 Programming Instructions58
- 4-5 Constants67
- 4-6 Index Registers70
- 4-7 Specifying Offsets for Addresses76
  - 4-7-1 Overview76
  - 4-7-2 Application Examples for Address Offsets78
- 4-8 Ladder Programming Precautions79
  - 4-8-1 Special Program Sections79
Section 5 I/O Memory81
- 5-1 Overview of I/O Memory Areas82
- 5-2 I/O Bits87
- 5-3 Work Area (W)88
- 5-4 Holding Area (H)89
- 5-5 Data Memory Area (D)91
- 5-6 Timer Area (T)93
- 5-7 Counter Area (C)95
- 5-8 Index Registers (IR)97
- 5-9 Data Registers (DR)101
- 5-10 Auxiliary Area (A)103
- 5-11 Condition Flags105
- 5-12 Clock Pulses107
Section 6 I/O Allocation109
- 6-1 Allocation of Input Bits and Output Bits110
Section 7 PLC Setup117
- 7-1 Overview of the PLC Setup118
- 7-2 PLC Setup Settings119
Section 8 Overview of Built-in Functions and Allocations145
- 8-1 Built-in Functions146
- 8-2 Overall Procedure for Using CP2E Built-in Functions147
- 8-3 Terminal Allocations for Built-in Functions148
Section 9 Quick-response Inputs153
- 9-1 Quick-response Inputs154
  - 9-1-1 Overview154
  - 9-1-2 Flow of Operation155
Section 10 Interrupts157
- 10-1 Interrupts158
  - 10-1-1 Overview158
- 10-2 Input Interrupts159
- 10-3 Scheduled Interrupts166
  - 10-3-1 Overview166
  - 10-3-2 Flow of Operation167
- 10-4 Precautions for Using Interrupts169
Section 11 High-speed Counters171
- 11-1 Overview172
- 11-2 High-speed Counter Inputs178
- 11-3 High-speed Counter Interrupts184
- 11-4 Related Auxiliary Area Bits and Words195
- 11-5 Application Example196
Section 12 Pulse Outputs201
- 12-1 Overview203
- 12-2 Positioning Control216
- 12-3 Jogging220
- 12-4 Implementing Interrupt Feeding223
- 12-5 Positioning Linear Interpolation226
- 12-6 Defining Origin Position230
- 12-7 Reading the Pulse Output Present Value244
- 12-8 Related Auxiliary Area Flags245
- 12-9 Application Examples246
- 12-10 Precautions when Using Pulse Outputs259
- 12-11 Pulse Output Pattern264
  - 12-11-1 Speed Control (Continuous Mode)264
  - 12-11-2 Positioning Control (Independent Mode)266
Section 13 PWM Outputs273
- 13-1 PWM Outputs (Variable-duty-factor Pulse Outputs)274
  - 13-1-1 Flow of Operation276
  - 13-1-2 Ladder Program Example276
Section 14 Serial Communications279
- 14-1 Serial Communications281
  - 14-1-1 Types of CPU Units and Serial Ports281
  - 14-1-2 Overview of Serial Communications283
- 14-2 Program-free Communications with Programmable Terminals285
- 14-3 No-protocol Communications with General Components288
- 14-4 Modbus-RTU Easy Master Function292
- 14-5 Serial PLC Links305
- 14-6 Connecting the Host Computer317
- 14-7 Modbus-RTU Slave Function320
- 14-8 Precautions on the usage of RS-485330
Section 15 Ethernet331
- 15-1 System Configuration and Features333
- 15-2 Specifications337
  - 15-2-1 General Specifications (Ethernet)337
  - 15-2-2 Comparison with Previous Models (Ethernet Related)338
- 15-3 Basic Setting for Ethernet340
- 15-4 FINS Communications346
- 15-5 Socket Services366
- 15-6 Automatic Clock Adjustment and Specifying Servers by Host Name384
- 15-7 Status Allocations of Bulit-in Ethernet Port389
Section 16 Other Functions391
- 16-1 PID Temperature Control392
- 16-2 Clock397
- 16-3 DM Backup Function399
  - 16-3-1 Backing Up and Restoring DM Area Data399
  - 16-3-2 Procedure401
- 16-4 Security Functions403
  - 16-4-1 Ladder Program Read Protection403
  - 16-4-2 Protecting Program Execution Using the Lot Number405
Section 17 Analog Input/Output Option Board407
- 17-1 General Specifications408
- 17-2 Part Names409
- 17-3 Installation and Setting410
- 17-4 Memory Allocation412
  - 17-4-1 CIO Area Allocation412
  - 17-4-2 Auxiliary Area Allocation412
- 17-5 Analog Input Option Board414
- 17-6 Analog Output Option Board418
- 17-7 Analog I/O Option Board422
- 17-8 Startup Operation428
- 17-9 Analog Option Board Refresh Time429
- 17-10 Trouble Shooting430
- 17-11 The Use of Analog Option Board431
  - 17-11-1 Procedure431
  - 17-11-2 Program Example432
Section 18 Programming Device Operations433
- 18-1 Programming Devices Usable with the CP2E434
- 18-2 Overview of CX-Programmer435
- 18-3 Creating a Ladder Program439
- 18-4 Connecting Online to the CP2E and Transferring the Program450
- 18-5 Online Monitoring and Debugging455
Appendices461
- A-1 Instruction Functions462
- A-2 Auxiliary Area Allocations by Address518
  - A-2-1 Read-only Words518
  - A-2-2 Read/Write Words542
- A-3 Response Performance559
- A-4 PLC Operation for Power Interruptions564
- A-5 Memory Map567
- A-6 Ethernet Functions569
Index571
Revision History575

Brand	Omron
Model	SYSMAC CP Series
Category	Computer Hardware
Language	English

Omron SYSMAC CP Series User Manual

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