Mitsubishi Electric MELSEC iQ-RJ71C24-R2 Manuals

Manuals and User Guides for Mitsubishi Electric MELSEC iQ-RJ71C24-R2. We have 2 Mitsubishi Electric MELSEC iQ-RJ71C24-R2 manuals available for free PDF download: User Manual, Reference Manual

Mitsubishi Electric MELSEC iQ-RJ71C24-R2 User Manual (574 pages)

Serial Communication Module

Brand: Mitsubishi Electric | Category: Controller | Size: 15.22 MB

Safety Precautions
3
Conditions of Use for the Product
11
Introduction
12
Table of Contents
13
Relevant Manuals
20
Terms
20
Part 1 Basic Functions

23
Chapter 1 Data Communication Using MC Protocol

24
Accessing to CPU Module Using MC Protocol

24
- File Access Method
  25
Data Communication

25
Chapter 2 Data Communication Using Predefined Protocol

28
Data Communication Procedure

29
Communication Type of Protocols

36
Packet

37
- Packet Elements
  37
Execution Condition of Predefined Protocol Communication

50
Chapter 3 Data Communication Using Nonprocedural Protocol

54
Receiving Data from Target Device

55
Transmitting Data to Target Device

79
Considerations for Data Communication

87
Chapter 4 Data Communication Using Bidirectional Protocol

88
Receiving Data from Target Device

89
Transmitting Data to Target Device

98
Processing When Simultaneous Transmission Is Performed During Full-Duplex Communications

106
- Processing When Simultaneous Transmissions Occur
  106
- Processing of Transmitted/Received Data When Simultaneous Transmissions Occur
  107
Considerations for Data Communication

109
Chapter 5 Debug Support Function

111
Circuit Trace

111
- Procedure for the Circuit Trace
  111
- Performing Circuit Trace
  112
- Circuit Trace Option Setting
  113
Protocol Execution Log Storage Function (for Predefined Protocol Only)

115
- Checking with Engineering Tool
  116
- Checking with the Buffer Memory
  117
Part 2 Additional Functions

119
Chapter 6 Using the Programmable Controller Cpu Monitoring

121
Overview

121
Programmable Controller CPU Monitoring Function

122
Settings for Using the Programmable Controller CPU Monitoring Function

140
- Parameter Setting Items for the Programmable Controller CPU Monitoring Function
  140
- How to Register and Cancel the Programmable Controller CPU Monitoring Function
  144
Considerations for Using the Programmable Controller CPU Monitoring Function

148
Chapter 7 Communications by the Modem Function

150
Overview

150
- Features
  151
- Function List
  153
System Configuration

154
- System Configuration When Performing Data Communication with Target Device
  154
- Considerations for System Configurations
  155
Specifications of Modem Function

157
Startup of the Modem Function

174
Sample Program

208
- Program for Data Communication
  208
Chapter 8 Receiving Data with an Interrupt Program

221
Settings for Receiving Data Using an Interrupt Program

221
Interrupt Program Startup Timing

221
Reception Control Method Using an Interrupt Program

222
Program Example

223
Considerations When Receiving Data with an Interrupt Program

225
Chapter 9 Changing Data Length Units to Byte Units (Word/Byte Units Setting)

227
Chapter 10 Changing Data Communication Monitoring Time

229
Reception Monitoring Time (Timer 0) Setting

230
- C24 Operation by no Reception Monitoring Time (Timer 0)
  230
- Changing the No-Reception Monitoring Time (Timer 0)
  231
Response Monitoring Time (Timer 1) Setting

233
- C24 Operation by Response Monitoring Time (Timer 1)
  233
- Changing the Response Monitoring Time (Timer 1)
  234
Send Monitoring Time (Timer 2) Setting

235
- C24 Operation by Send Monitoring Time (Timer 2)
  235
- Changing the Send Monitoring Time (Timer 2)
  236
Transmission Wait Time Setting

237
- C24 Operation by Transmission Wait Time
  237
- Changing the Transmission Wait Time
  237
Chapter 11 Data Communications Using DC Code Transmission Control

238
Control Contents of DTR/DSR (ER/DR) Signal Control

239
- C24 DTR Control Contents and Free os Area Specification
  239
- C24 DSR Control
  240
Control Contents of DC Code Control

241
- DC1/DC3 Transmission Control, DC1/DC3 Reception Control
  241
- DC2/DC4 Transmission Control, DC2/DC4 Reception Control
  243
Considerations for Using Transmission Control Functions

244
Chapter 12 Data Communications Using Half-Duplex Communications

245
Half-Duplex Communications

245
Data Transmission and Reception Timing

246
Changing the Communication Method

250
Connector Connections for Half-Duplex Communications

250
Considerations for Half-Duplex Communications

251
Chapter 13 Contents and Registration of User Frames for Data Communication

252
User Frame Types and Contents During Communication

252
- User Frames to be Registered and Used by the User
  252
- Default Registration Frame (Read Only)
  260
Transmission/Reception Processing Using User Frame Registration Data

261
- Transmitting Data
  261
- Receiving Data
  262
Considerations for Registering, Reading, and Deleting User Frames

264
Registering/Reading/Deleting User Frames

266
Chapter 14 On-Demand Data Communications Using User Frames

269
Data Communication Function Using User Frame

269
User Frame On-Demand Data Transmission and Buffer Memory Used

270
On-Demand Function Control Procedure During User Frame Use

272
- Data Communication Using the ASCII Code
  272
- Data Communications Using the Binary Code
  274
Example of On-Demand Data Transmission Program Using User Frames

276
Chapter 15 Data Communications Using User Frames

278
Procedure of Data Communication

279
Data Reception

280
- Receive Data
  280
- Timing for Start/Completion of Data Reception
  286
- Reception Procedure
  290
- Setting of Receive User Frames
  291
Program for Data Reception with User Frame

297
- Application Program for Data Reception Using a Combination that Specifies the Start Frame
  305
- Application Program for Data Reception Using a Combination that Does Not Specify the Start Frame
  312
Data Transmission

315
- Send Data
  315
- Transmission Procedure
  316
- Settings of Send User Frames
  317
Application Program for Data Transmission Using a Combination that Does Not Specify the Start

320
- Frame
  
  320
Chapter 16 Transparent Codes and Additional Codes

328
Handling Transparent Code and Additional Code Data

328
Registering Transparent Codes and Additional Codes

329
Handling Transparent and Additional Codes for Nonprocedural Protocol Data Communication

330
Data Communication Using Nonprocedural Protocol

333
- Example of Data Reception
  334
- Example of Data Transmission
  337
Handling Transparent and Additional Codes for Bidirectional Protocol Data Communication

341
Data Communication Using Bidirectional Protocol

344
- Example of Data Reception
  345
- Example of Data Transmission
  347
Chapter 17 Communicating with Ascii Code (Ascii-Bin Conversion)

349
ASCII-Binary Conversion

349
Settings for ASCII-BIN Conversion

349
ASCII-BIN Conversion for Data Communicated with Nonprocedural Protocol

350
Data Communication Using Nonprocedural Protocol

352
- Example of Data Reception
  353
- Example of Data Transmission
  357
ASCII-BIN Conversion for Data Communicated with Bidirectional Protocol

361
Data Communication Using Bidirectional Protocol

363
- Example of Data Reception
  364
- Example of Data Transmission
  366
Chapter 18 Data Communications between Target Device and Cpu Module in M:n Basis

368
Considerations on Data Communications

368
Arrangement for Interlock Among Target Devices

370
- Maximum Communication Time Per Target Device Station
  370
- Message Structure When Communicating Data Among Target Devices
  371
Examples of Procedure for Data Communications with CPU Module

373
- Sequential Data Communications between Target Devices and the CPU Module
  373
- Data Communications between Target Devices and CPU Module by Designating a Master Station and Slave Stations
  376
Chapter 19 Switching the Mode after Starting

379
Mode Switching Operation and Contents that Can be Changed

380
- Settings that Can be Changed with Mode Switching
  380
- Operation for Mode Switching
  380
Considerations for Mode Switching

381
I/O Signals for Handshake with CPU Module and Buffer Memory

382
Mode Switching Method by Program

385
How to Switch Mode from Target Device

387
Chapter 20 Using Send/Receive Data Monitoring Function

389
Send/Receive Data Monitoring Function

389
- Overview
  389
- Send/Receive Data Monitoring Operation
  390
Send/Receive Data Monitoring Function Settings

392
- Buffer Memory for Send/Receive Data Monitoring Function
  393
Send/Receive Data Monitoring Example

396
Chapter 21 Independent/Linked Operation of Interface

399
Setting and Data Flow of Independent Operation

399
Setting and Data Flow of Interlink Operation

400
- Setting Example for MELSOFT Connection Via C24
  402
Chapter 22 Parameter Registration to Cpu Module

403
Chapter 23 Rs-422/485 Interface Echo Back Enable/Prohibit Specification

405
Chapter 24 Erroneous Noise Signal Reception Prevention Function

407
- Erroneous Noise Signal Reception Prevention Function
  407
Setting for the Erroneous Noise Signal Reception Prevention Function

408
Chapter 25 Automatic Removal of Null Characters Included in Send Data

409
Automatic Removal of NULL Characters During Data Transmission

409
Setting for NULL Character Automatic Removal Function

409
NULL Character Removal to Send Data Using Nonprocedural Protocol

410
Program Example

412
- Program Example of Data Communication Using the Nonprocedural Protocol
  412
NULL Characters Removal for Send Data Using Bidirectional Protocol

417
Program Example

419
- Program Example of Data Communication Using the Bidirectional Protocol
  419
Part 3 Parameter Settings and Troubleshooting

423
Chapter 26 Parameter Setting

424
Parameter Setting Procedure

424
Module Parameters

425
- Basic Settings
  425
- Application Settings
  430
- Interrupt Settings
  435
- Refresh Setting
  436
Module Extended Parameter

439
- User Frame Contents
  439
- Modem Initialization Data
  440
- Modem Connection Data
  441
Chapter 27 Troubleshooting

442
Checking Module Status

442
- Error Information
  442
- Module Information List
  443
- Intelligent Function Module Monitor
  447
- Error Information Clear
  450
- Individual Station Test
  451
- Loopback Test
  455
How to Clear Programmable Controller CPU Information

457
Troubleshooting by Symptom

459
Error Code List

475
Event History List

493
Appendix

494
Appendix 1 Module Label

494
Appendix 2 Input/Output Signal List

495
Appendix 3 Buffer Memory

498
- Buffer Memory List
  500
Appendix 4 Dedicated Instructions

522
- Dedicated Instruction List
  522
Appendix 5 Operation Image and Data Structure of Predefined Protocol

523
Appendix 6 Processing Time

545
Appendix 7 When Connecting the Module to a Remote Head Module

547
- Restrictions
  547
- Communication Example
  548
Appendix 8 Added and Changed Functions

566
Index

567
- Revisions
  570
- Warranty
  571
- Trademarks
  572

Mitsubishi Electric MELSEC iQ-RJ71C24-R2 Reference Manual (60 pages)

MODBUS and MODBUS/TCP

Brand: Mitsubishi Electric | Category: Controller | Size: 0.56 MB

Conditions of Use for the Product
3
Safety Precautions
3
Introduction
4
Table of Contents
5
Generic Terms and Abbreviations
7
Relevant Manuals
7
Terms
7
Chapter 1 Frame Specifications

8
MODBUS Protocol Frame Specifications

8
- RTU Mode
  8
- ASCII Mode
  10
MODBUS/TCP Protocol Frame Specifications

12
Protocol Data Unit Formats Grouped by Function

13
Chapter 2 Modbus Standard Function List

15
Chapter 3 Modbus Standard Function Details

16
Read Coils (FC: 01H)

16
Read Discrete Inputs (FC: 02H)

17
Read Holding Registers (FC: 03H)

18
Read Input Registers (FC: 04H)

19
Write Single Coil (FC: 05H)

20
Write Single Register (FC: 06H)

21
Read Exception Status (FC: 07H)

22
Diagnostics (FC: 08H)

23
Get Communications Event Counter (FC: 0BH)

40
Get Communications Event Log (FC: 0CH)

41
Write Multiple Coils (FC: 0FH)

43
Write Multiple Registers (FC: 10H)

44
Report Slave ID (FC: 11H)

45
Read File Record (FC: 14H) (SC: 06H)

47
Write File Record (FC: 15H) (SC: 06H)

49
Mask Write Register (FC: 16H)

50
Read/Write Multiple Registers (FC: 17H)

51
Chapter 4 Exception Codes

52
Index

54
- Revisions
  56
- Warranty
  57
- Trademarks
  58

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Mitsubishi Electric MELSEC iQ-RJ71C24-R2 Manuals

Mitsubishi Electric MELSEC iQ-RJ71C24-R2 User Manual (574 pages)

Table of Contents

Part 1 Basic Functions

Chapter 1 Data Communication Using MC Protocol

Accessing to CPU Module Using MC Protocol

Data Communication

Chapter 2 Data Communication Using Predefined Protocol

Data Communication Procedure

Communication Type of Protocols

Packet

Execution Condition of Predefined Protocol Communication

Chapter 3 Data Communication Using Nonprocedural Protocol

Receiving Data from Target Device

Transmitting Data to Target Device

Considerations for Data Communication

Chapter 4 Data Communication Using Bidirectional Protocol

Receiving Data from Target Device

Transmitting Data to Target Device

Processing When Simultaneous Transmission Is Performed During Full-Duplex Communications

Considerations for Data Communication

Chapter 5 Debug Support Function

Circuit Trace

Protocol Execution Log Storage Function (for Predefined Protocol Only)

Part 2 Additional Functions

Chapter 6 Using the Programmable Controller Cpu Monitoring

Overview

Programmable Controller CPU Monitoring Function

Settings for Using the Programmable Controller CPU Monitoring Function

Considerations for Using the Programmable Controller CPU Monitoring Function

Chapter 7 Communications by the Modem Function

Overview

System Configuration

Specifications of Modem Function

Startup of the Modem Function

Sample Program

Chapter 8 Receiving Data with an Interrupt Program

Settings for Receiving Data Using an Interrupt Program

Interrupt Program Startup Timing

Reception Control Method Using an Interrupt Program

Program Example

Considerations When Receiving Data with an Interrupt Program

Chapter 9 Changing Data Length Units to Byte Units (Word/Byte Units Setting)

Chapter 10 Changing Data Communication Monitoring Time

Reception Monitoring Time (Timer 0) Setting

Response Monitoring Time (Timer 1) Setting

Send Monitoring Time (Timer 2) Setting

Transmission Wait Time Setting

Chapter 11 Data Communications Using DC Code Transmission Control

Control Contents of DTR/DSR (ER/DR) Signal Control

Control Contents of DC Code Control

Considerations for Using Transmission Control Functions

Chapter 12 Data Communications Using Half-Duplex Communications

Half-Duplex Communications

Data Transmission and Reception Timing

Changing the Communication Method

Connector Connections for Half-Duplex Communications

Considerations for Half-Duplex Communications

Chapter 13 Contents and Registration of User Frames for Data Communication

User Frame Types and Contents During Communication

Transmission/Reception Processing Using User Frame Registration Data

Considerations for Registering, Reading, and Deleting User Frames

Registering/Reading/Deleting User Frames

Chapter 14 On-Demand Data Communications Using User Frames

Data Communication Function Using User Frame

User Frame On-Demand Data Transmission and Buffer Memory Used

On-Demand Function Control Procedure During User Frame Use

Example of On-Demand Data Transmission Program Using User Frames

Chapter 15 Data Communications Using User Frames

Procedure of Data Communication

Data Reception

Program for Data Reception with User Frame

Data Transmission

Application Program for Data Transmission Using a Combination that Does Not Specify the Start

Frame

Chapter 16 Transparent Codes and Additional Codes

Handling Transparent Code and Additional Code Data

Registering Transparent Codes and Additional Codes

Handling Transparent and Additional Codes for Nonprocedural Protocol Data Communication

Data Communication Using Nonprocedural Protocol