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QJ71DN91
Mitsubishi QJ71DN91 User Manual
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8 - 2
8 - 2
MELSEC-Q
8 PROGRAMMING W
HEN EXECUTING THE SLAVE FUNCTION
8
8.2 Setting Parameter
s Using
the Sequence Program
This
sectio
n exp
lains an
exam
ple of
a seq
uence
program
for
settin
g param
eters
.
Command for setting
parameters for the
slave function
I/O com
muni
catio
n
start command
Command for setting
parameters f
or the
slave function
Sets the number of reception bytes
to 16 bytes.
Sets the number of transmission bytes
to 16 bytes.
Writes the parameter data into the
buffer memory.
121
123
Table of Contents
Default Chapter
2
Safety Precautions
2
Revisions
5
Table of Contents
6
Conformation to the EMC Directive and Low Voltage Instruction
9
About the Generic Terms and Abbreviations
9
Product Configuration
10
1 Overview
11
Features
11
2 System Configuration
13
Overall Configuration
13
Applicable Systems
15
How to Check the Function Version, Serial No. and Software Version
16
About Use of the QJ71DN91 with the Q00J/Q00/Q01CPU
17
Compatible Devicenet Products from Other Manufacturers
17
3 Specifications
18
Performance Specifications
18
Maximum Transmitting Distance When Thick and Thin Cables Coexist
18
Functions
19
Master Function (I/O Communication Function)
19
Master Function (Message Communication Function)
25
Slave Function (I/O Communication Function)
28
I/O Signals for the PLC CPU
30
I/O Signal List
30
Details of the I/O Signals
31
Buffer Memory
41
Buffer Memory List
41
Buffer Memory Details
43
Communication Performance
66
Scan Time
66
Communication Cycle
67
Transmission Delays
67
4 Setup and Procedures before Operation
68
When Using the Master Function
68
When Using the Slave Function
69
When Using both the Master Function and Slave Function
70
Loading and Installation
71
Handling Precautions
71
Installation Environment
71
Component Names and Settings
72
Meanings of the LED Displays
73
Node Number Setting Switch
74
Mode Switch
74
Hardware Test
75
Connecting the Communication Cables to the QJ71DN91
76
Communication Test
77
Instructions for Connecting the Network Power Supply
78
Network Power Supply Unit Installation Position
78
Calculating Network Power Supply Unit Installation Position and Current Capacity
79
5 Parameter Settings
82
Description of Parameter Settings
82
Parameters for the Master Function
82
Parameters for the Slave Function
83
Common Parameters for the Master/Slave Functions
83
Setting Using the Sequence Program
83
Setting Using the Auto Configuration Function
84
6 Utility Package (Gx Configurator-Dn)
88
Functions of the Utility Package
88
Installing and Uninstalling the Utility Package
89
User Precautions
89
Operating Environment
91
Explanation of Utility Package Operation
92
How to Perform Common Utility Package Operations
92
Overview of Operation
95
Starting the Intelligent Function Module Utility
97
Auto Refresh Settings
99
Monitor/Test
101
Flash ROM Settings
107
7 Programming When Executing the Master Function
109
Precautions on Programming
109
Setting Parameters
112
Parameter Settings Using the Sequence Program
112
Creating Parameters Using Auto Configuration
114
Saving Parameters in Flash ROM
114
I/O Communication with Slave Nodes
115
Performing Message Communication
116
Example of Message Communication Read
116
Example of Message Communication Write
117
Obtaining Error Information
118
Allocating Transmission/Reception Data Storage Devices for Future Expansion
119
8 Programming When Executing the Slave Function
121
System Configuration
121
Setting Parameters Using the Sequence Program
122
I/O Communication with the Master Node
123
Obtaining Error Information
124
9 Troubleshooting
125
Items to Check When an Error Occurs
125
Checking the Leds
126
When Communication with All Slave Nodes Cannot be Performed (Using the Master Function)
127
When Communication with a Specific Slave Node Cannot be Performed (Using the Master Function)
128
When Communication with the Master Node Cannot be Performed (Using the Slave Function)
129
Error Codes
130
Communication Error Codes
130
Execution Error Codes of Message Communication (Using the Master Function Only)
133
Verifying the QJ71DN91 Status on the GX Developer System Monitor
135
Appendix
137
Appendix 1 External Dimension Diagram
137
Appendix 2 Differences between the QJ71DN91 and the AJ71DN91/A1SJ71DN91
138
Appendix 3 Parameter Setting Sheet (for the Master Function)
139
Appendix 4 Parameter Setting Sheet (for the Slave Function)
140
Appendix 5 List of Communication Parameters of Slave Nodes Manufactured by Various Manufacturers
141
Appendix 6 EDS File of the QJ71DN91
142
Index
144
4
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Mitsubishi QJ71DN91 Specifications
General
Brand
Mitsubishi
Model
QJ71DN91
Category
Controller
Language
English
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