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Mitsubishi Electric SW1D5C-QMBU-E manual available for free PDF download: User Manual
Mitsubishi Electric SW1D5C-QMBU-E User Manual (372 pages)
MODBUS Interface Module
Brand:
Mitsubishi Electric
| Category:
Control Unit
| Size: 6.06 MB
Table of Contents
Safety Precautions
3
Wiring Precautions
5
Conditions of Use for the Product
7
Revisions
8
Table of Contents
9
Compliance with Emc and Low Voltage Directives
14
The Manual's Usage and Structure
15
About the Generic Terms and Abbreviations
17
Meanings and Definitions of Term
18
Product Configuration
18
Chapter1 Overview
19
Features
19
Chapter2 System Configuration
23
Applicable Systems
23
Network Configuration
25
Precautions for System Configuration
29
How to Check the Function Version/Software Version
30
Chapter3 Specifications
33
Performance Specifications
33
Interface Specification
35
Connector Specification
35
Cable Specification
37
RS-422/485 Interface Specification
38
RS-422/485 Terminal Block Specification
38
RS-422/485 Cable Specification
39
Precautions When Transferring Data Using RS-422/485 Line
40
I/O Signals for Programmable Controller CPU
42
I/O Signal List
42
Applications and Assignment of Buffer Memory
45
Buffer Memory List
45
Chapter4 Modbus Standard Functions
56
MODBUS Standard Function Support List
56
Frame Specifications
65
Frame Mode
66
Protocol Data Unit Formats by Functions
70
Read Coils (FC: 01)
73
Read Discrete Inputs (FC: 02)
74
Read Holding Registers (FC: 03)
75
Read Input Registers (FC: 04)
76
Write Single Coil (FC: 05)
77
Write Single Register (FC: 06)
78
Read Exception Status (FC: 07)
79
Diagnostics (FC: 08)
80
Return Query Data (Sub-Function Code: 00)
80
Restart Communications Option (Sub-Function Code: 01)
81
Return Diagnostic Register (Sub-Function Code: 02)
83
Change ASCII Input Delimiter (Sub-Function Code: 03)
85
Force Listen Only Mode (Sub-Function Code: 04)
86
Clear Counters and Diagnostic Register (Sub-Function Code: 10)
88
Return Bus Message Count (Sub-Function Code: 11)
90
Return Bus Communication Error Count (Sub-Function Code: 12)
91
Return Bus Exception Error Count (Sub-Function Code: 13)
92
Return Slave Message Count (Sub-Function Code: 14)
93
Return Slave no Response Count (Sub-Function Code: 15)
94
Return Slave NAK Count (Sub-Function Code: 16)
95
Return Slave Busy Count (Sub-Function Code: 17)
96
Return Bus Character Overrun Count (Sub-Function Code: 18)
97
Return IOP Overrun Error Count (Sub-Function Code: 19)
98
Clear Overrun Counter and Flag (Sub-Function Code: 20)
99
Get Communications Event Counter (FC: 11)
100
Get Communications Event Log (FC: 12)
102
Write Multiple Coils (FC: 15)
105
Write Multiple Registers (FC: 16)
107
Report Slave ID (FC: 17)
108
Read File Record (FC: 20) (SC: 06)
110
Write File Record (FC: 21) (SC: 06)
112
Mask Write Register (FC: 22)
114
Read/Write Multiple Registers (FC: 23)
115
Chapter5 Functions
116
Function List
116
Master Function
118
Automatic Communication Function
118
Communication by Dedicated Instructions
131
Slave Function
132
Automatic Response Function
132
MODBUS Device Assignment Function
133
Link Operation Function
136
Chapter6 Pre-Operational Procedures and Settings
138
Handling Precautions
138
Pre-Operational Procedures and Settings
138
Part Names
141
Unit Tests
143
Hardware Test
143
Self-Loopback Test
145
Connection to a Target Device
148
How to Connect the RS-232 Interface
149
How to Connect the RS-422/485 Interface
151
Intelligent Function Module Switch Setting
156
Maintenance, Inspection
161
When Removing or Installing the Module
161
Chapter7 Parameter Setting
162
Parameter Settings and Setting Procedure
162
Automatic Communication Parameter
165
Automatic Communication Parameter Details
165
MODBUS Device Assignment Parameter
172
MODBUS Device Assignment to the Programmable Controller CPU Device Memory
174
MODBUS Extended File Register Assignment to the Programmable Controller CPU File Register
184
QJ71MB91 Buffer Memory Assignment
185
Specifying the Error Status Read Device
187
Specifying Access Target When Mounted to MELSECNET/H Remote I/O Station
190
Specifying the CPU Response Monitoring Timer
191
CHAPTER8 UTILITY PACKAGE (GX Configurator-MB)
193
Functions of the Utility Package
193
Installing and Uninstalling the Utility Package
194
Handling Precautions
194
Operating Environment
197
Utility Package Operation
199
Common Utility Package Operations
199
Operation Overview
202
Starting the Intelligent Function Module Utility
204
Initial Setting
207
Automatic Communication Parameter
209
MODBUS Device Assignment Parameter
211
Auto Refresh Setting
214
Monitor/Test
216
X/Y Monitor/Test
221
MODBUS Device Assignment Parameter Status
223
Automatic Communication Status
224
Error Log
226
Communication Status
227
Chapter9 Programming
230
Parameter Setting
230
Automatic Communication Parameters
230
MODBUS Device Assignment Parameters
233
Program Example for Normal System Configuration
237
Automatic Communication Parameters
237
MODBUS Device Assignment Parameters
243
When Using the Automatic Communication Function and the Communication by Dedicated Instructions on the same Channel
247
Program Examples for Use in MELSECNET/H Remote I/O Network
254
Automatic Communication Parameters
254
MODBUS Device Assignment Parameters
266
Program Examples for the Redundant System
274
Chapter10 Dedicated Instructions
275
Dedicated Instruction List and Available Devices
275
Z(P).Mbrw
276
Z(P).Mbreq
288
Zp.uini
299
Chapter11 Troubleshooting
307
Checking QJ71MB91 Status
317
Checking the Communication Status of QJ71MB91
323
Error Codes
327
Error Code Storage Area
327
Exception Code List
334
Error Code List
336
Turning off the ERR. LED
347
Turning off the ERR. LED by GX Configurator-MB
347
Turning off the ERR. LED by Sequence Program
351
Turning off the ERR. LED by Request Message from the Master
353
Appendix 1 Function Upgrade of the QJ71MB91
354
Appendix 2 a Series Modules
355
Appendix 2.2 Functional Comparisons
356
Appendix 2.3 Utilization of Existing Programs
357
Appendix 3 Processing Time
360
Appendix 4 External Dimensions
366
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