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QJ71C24N
Mitsubishi QJ71C24N User Manual
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9 - 49
9 - 49
MELSEC-Q
9 UTILITY PACKAGE (GX
Configurator
-SC)
9.6.8 PLC CPU moni
toring
monitor
[Purpose]
Monitor the operating status
and setting values of
the program
m
able controller
CPU monitor
ing function.
[Operating pr
ocedure]
[Monitor] scr
een
CH
M
onito
r
ing
monit
or
[Monitor scr
een]
274
276
Table of Contents
Default Chapter
3
Safety Precautions
3
Conditions of Use for the Product
7
Revisions
8
Table of Contents
11
About Manuals
17
Compliance with the Emc and Low Voltage Directives
17
The Manual's Use and Structure
18
About the Generic Terms and Abbreviations
21
Definitions and Descriptions of Terminology
24
Product Configuration
26
1 Overview
27
Overview of the Serial Communication Module
27
Features of the Serial Communication Module
28
About Added/Changed Functions in Function Version B
38
2 System Configuration and Available Functions
40
Applicable Systems
40
Combinations of Programmable Controller CPU and External Device, and Available Functions
44
For Use in Multiple CPU System
48
Use with Basic Model QCPU
49
Use with Redundant Cpus
50
Use on MELSECNET/H Remote I/O Stations
52
Use with C Controller Module
56
Checking the Function Version, Serial No., and Software Version
57
3 Specifications
62
Performance Specifications
62
Interface Specification
64
Connector Specifications
64
Cable Specification
67
RS-422/485 Interface Specifications
68
RS-422/485 Terminal Block Specifications
68
RS-422/485 Cable Specifications
69
Precautions When Transferring Data Using RS-422/485 Circuit
70
Serial Communication Module Function List
75
Echo Back Enable/Disable Setting for RS-422/485 Interface
75
Dedicated Instruction List
77
Utility Package (GX Configurator-SC) Function List
78
List of GX Developer Setting Items for Serial Communication Modules
80
List of Input/Output Signals for the Programmable Controller CPU
81
List of Applications and Assignments of the Buffer Memory
84
4 Settings and Procedures Prior to Operation
104
Handling Precautions
104
Part Names and Functions
106
External Wiring
108
Connecting the RS-232 Interface (Full-Duplex Communications)
109
Connecting the RS-422/485 Interface
112
Settings for GX Developer
117
I/O Assignment Settings
117
Switch Settings for I/O and Intelligent Functional Module
118
The Intelligent Function Module Interrupt Pointer Setting
125
Settings with the Utility Package (GX Configurator-SC)
127
Individual Station Test
130
Rom/Ram/Switch Tests
130
Individual Station Loopback Test
133
Loopback Test
135
Maintenance and Inspection
137
When Mounting/Dismounting the Module
138
5 Data Communication Using the Melsec Communication Protocol
139
Data Communication Functions
139
Accessing the Programmable Controller Cpus Using the MC Protocol
139
Message Format and Control Procedure for Data Communication
140
Programmable Controller CPU Setting for Performing Data Communication
140
Support of Multiple CPU System or Redundant System
141
Support for the QCPU Remote Password Function
142
Utilizing the MX Component
144
6 Data Communication Using the Non Procedure Protocol
145
Data Reception from the External Device
146
Receiving Methods
146
The Receive Area and the Received Data List
150
Sequence Program for Data Reception
155
Receive Data Clear
159
How to Detect Reception Errors
162
Received Data Count and Receive Complete Code Settings
165
Sending Data to the External Device
167
Transmission Methods
167
Arrangement and Contents of the Transmission Area and the Transmission Data
168
Sequence Program for Transmission Data
170
How to Detect Transmission Errors
173
Data Communications Precautions
175
7 Data Communication Using the Bidirectional Protocol
178
Data Reception from the External Device
179
Arrangement and Contents of the Receive Area and the Receive Data
181
Sequence Program for Data Reception
187
How to Detect Reception Errors
190
Receive Data Clear
191
Sending Data to the External Device
192
Transmission Methods
192
Arrangement and Contents of the Transmission Area and the Transmission Data
193
Sequence Program for Data Transmission
196
How to Detect Transmission Errors
199
Processing When Simultaneous Transmission Performed During Full-Duplex Communications
201
Processing When Simultaneous Transmissions Occur
201
Communication Data Processing When Simultaneous Transmissions Occur
202
Data Communications Precautions
204
8 Data Communication Using the Pre-Defined Protocol
206
Function of the Pre-Defined Protocol
208
Data Communication Procedure
208
Pre-Defined Protocol System Setting
210
Pre-Defined Protocol Monitor/Test
211
Protocol Executioin Log Storage Function
212
Executing Condition of Predefined Protocol Communication
213
Programming Example
218
9 UTILITY PACKAGE (GX Configurator-SC)
227
Functions Available with Utility Package
229
Installing and Uninstalling the Utility Package
230
Handling Precautions
230
Operating Environment
233
Utility Package Operation
235
Operation Overview
235
Starting the Intelligent Function Module Utility
239
Common Utility Package Operations
242
System Registration to Flash ROM
245
User Frame Registration
247
Data for Modem Initialization Registration
248
Data for Modem Connection Registration
249
Modem Function System Setting/Registration
250
Transmission Control and Others System Setting
251
MC Protocol System Setting
253
Non Procedure System Setting
254
Bidirectional System Setting
255
Pre-Defined Protocol System Setting
256
PLC CPU Monitoring System Setting
257
Transmission User Frame No. Designation System Setting
259
Resetting the Buffer Memory/Flash ROM Setting Values to the Default Values
260
Flash ROM Write Allow/Prohibit Setting
260
Auto Refresh Setting
261
Monitor/Test
262
X/Y Monitor/Test
263
Modem Function Monitor/Test
264
Transmission Control and Others Monitor/Test
267
MC Protocol Monitor
269
Non Procedure Monitor/Test
271
Bidirectional Monitor
273
Pre-Defined Protocol Monitor/Test
274
PLC CPU Monitoring Monitor
275
Transmission User Frame No. Designation Monitor
277
Monitor/Test Others
278
Display LED off and Communication Error Information/Error Code Initialization
280
Non Procedure Protocol Receive Data Clear
282
10 Dedicated Instructions
283
Dedicated Instruction List and Available Devices
283
G(P).Ondemand
285
G(P).Output
289
G.input
293
G(P).Bidout
297
G(P).Bidin
300
G(P).Cprtcl
303
Functional Protocol
310
G(P).Spbusy
311
ZP.CSET (Receive Data Clear)
313
11 Troubleshooting
317
Checking the Status of the Serial Communication Module
317
Checking the LED on Status, Communications Error Status, and Switch Setting Status of the Serial Communication Module
317
Initializing Error Information of the Serial Communication Module
322
Reading the RS-232 Control Signal Status
326
Reading the Data Communication Status (Transmission Sequence Status)
327
Reading the Switch Setting Status
328
How to Read the Current Operation Status
330
Clearing the Programmable Controller CPU Information
332
Error Code Tables
334
Error Code Table
334
A Compatible 1C Frame Communications Error Code Table
346
Error Code List While Modem Function Is Used
348
Troubleshooting by Symptom
350
The "RUN" LED Is Turned off
352
The "RD" LED Does Not Blink Even after Message Transmission from the External Device
353
No Response Message Is Returned Even Though the External Device Transmitted a Message and the "RD" LED Blinked
354
Transmission Request Does Not Make the "SD" LED Blink
355
Read Request Signal Does Not Turn on Even Though the External Device Transmitted a Message and the "RD" LED was Blinking
356
The CPRTCL Instruction Execution Is Not Completed Although the "RD" LED Blinked
357
Communication Error "NAK
358
Communication Error "C/N
358
Communication Error "P/S
359
Communication Error "PRO
360
Communication Error "SIO
361
Communication Error "CH1 ERR." or "CH2 ERR
362
Communication Is Intermittent
365
Undecodable Data Are Transmitted or Received
367
Whether the Communication Error Is Caused on the Q Series C24 or External Device Is Unclear
368
Communication Is Not Available Via the Modem
369
Communication Is Not Available with the ISDN Sub-Address
370
Periodic Transmission Is Not Performed Normally
370
Condition Agreement Transmission Is Not Performed Normally
370
Data Cannot be Received Due to an Interrupt Program
370
Data Cannot be Written to the Flash ROM
371
Troubleshooting on Protocol Setting Data Reading/Writing
372
The "ERR" LED Is Lit
373
Appendixes
374
Appendix 1 Functional Improvements of the Q Series C24
374
Appendix 1.1 Comparison of Q Series C24/GX Configurator-SC/GX Works2
374
Appendix 1.2 Precautions When Updating the Module from Function Version a to B
380
Appendix 1.3 Precautions When Replacing the QJ71C24(-R2) with the QJ71C24N(-R2/R4)
380
Appendix 2 Qna/A Series Module
381
Appendix 2.1 Functional Comparison with the Q Series C24 and the Qna/A Series Modules
381
Appendix 2.2 Using Programs Designed for the QC24 (N) and Installing the Q Series C24
383
Into Existing Systems
383
Appendix 2.2.1 Using Programs Designed for the QC24 (N)
383
Appendix 2.2.2 Installing on Existing Systems
384
Appendix 2.3 Using Programs Designed for the Computer Link Module and Installing the Q Series C24 into Existing Systems
385
Appendix 2.3.1 Using Programs Designed for the Computer Link Module
385
Appendix 2.3.2 Installing the Q Series C24 into Existing Systems
388
Appendix 3 Processing Time
389
Appendix 4 ASCII-Code Table
392
Appendix 5 External Dimensions
393
Appendix 6 Connection Examples When Using a Converter
395
Appendix 7 Communication Support Tool (MX Component)
398
Appendix 7.1 Overview of MX Component
398
Appendix 7.2 Usage Procedure of MX Component
401
Appendix 8 Example of Clear Process Program for Receive Data
408
Appendix 9 Program Examples for Using Q Series C24 at MELSECNET/H Remote I/O Station
410
Appendix 9.1 System Configuration and Program Conditions
410
Appendix 9.2 When Accessing Buffer Memory Using Sequence Program
412
Appendix 9.3 When Sending On-Demand Data
413
Appendix 9.4 When Receiving Data Using Nonprocedural or Bidirectional Protocol
415
Appendix 9.5 When Sending Data Using Nonprocedural or Bidirectional Protocol
417
Appendix 9.6 When Clearing Received Data
419
Appendix 9.7 When Sending Data Using User Frames
421
Appendix 9.8 When Performing Initial Setting
424
Appendix 9.9 When Registering User Frame
426
Appendix 9.10 When Reading User Frame
428
Appendix 9.11 When Deleting User Frame
430
Appendix 9.12 When Changing the Communication Protocol and Transmission Setting
432
Appendix 10 Setting Value Recording Sheet
435
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Mitsubishi QJ71C24N Specifications
General
Brand
Mitsubishi
Model
QJ71C24N
Category
Controller
Language
English
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