Mitsubishi Programmable Controllers FX-232ADP Manual de usuario Pagina 9
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FX3U Series Programmable Controllers
User’s Manual - MODBUS Serial Communication Edition
Table of Contents
9. Slave Specification 84
9.1 MODBUS Slave Command Code List........................................................................................... 84
9.2 MODBUS device address allocation ............................................................................................. 85
9.3 MODBUS device address allocation (Default Values) .................................................................. 85
9.4 User defined MODBUS Device Address Assignment ................................................................... 87
9.4.1 Format of the user defined device allocation................................................................................. 88
9.4.2 Example of user defined device allocation .................................................................................... 90
9.5 Communication Event log ............................................................................................................. 94
9.5.1 Communications event log ............................................................................................................ 94
9.5.2 Communication event log timing and storage format .................................................................... 95
10. Creating Programs 97
10.1 Checking Contents of Related Devices....................................................................................... 97
10.2 Creating Programs for the Master Station................................................................................... 97
10.3 Creating Programs for the Slave Station..................................................................................... 98
10.4 Cautions on Program Creation.................................................................................................... 99
11. Practical Program Examples 100
11.1 Setting Program for Master Station........................................................................................... 100
11.2 Setting Program for Slave Station............................................................................................. 102
12. Troubleshooting 103
12.1 Checking the FX3U PLC Version Applicability.......................................................................... 103
12.2 Checking the Communication Status Based on LED Indication ............................................... 103
12.3 Checking the Installation and Wiring......................................................................................... 103
12.4 Checking the Communication Settings and Sequence Program .............................................. 103
12.5 Checking Setting Contents and Errors...................................................................................... 104
12.6 MODBUS Error Code List ......................................................................................................... 106
Warranty................................................................................................................................. 111
Revised History ..................................................................................................................... 112
- MELSEC FX Series 1
- Safety Precautions 3
- 3U Series Programmable 5
- Manual number JY997D26201 5
- Manual revision A 5
- Date 4/2007 5
- Outline Precautions 6
- Registration 6
- Table of Contents 7
- 8. Master Specification 78 8
- 9. Slave Specification 84 9
- 10. Creating Programs 97 9
- 12. Troubleshooting 103 9
- Related manuals 10
- 1. Outline 12
- MODBUS Serial Communication 13
- Programming tool 13
- 1.3.1 Applicable versions 14
- 1.4.1 For applicable versions 15
- 3U-485ADP-MB and FX3U 16
- 3U-232ADP-MB FX3U-485ADP-MB 16
- 3U-485ADP 16
- 3U-232ADP 16
- 2.2 Link Time 17
- 2 Specifications 19
- 3.1 System Configuration 20
- -232ADP-MB 21
- -485ADP-MB 22
- (Example 1) 23
- (Example 2) 23
- 4.1 Wiring Procedure 24
- 4 Wiring 25
- 4.3.1 Twisted pair cable 26
- 4.3.2 Connecting cables 27
- 4.5.1 One-pair wiring 29
- 4.5.2 Two-pair wiring 29
- 4.6 Grounding 30
- 5. Communication Setup 31
- 5 Communication Setup 32
- 4. Communication Setup Syntax 35
- 6.1 Special Data Registers 36
- 6.3 Special Auxiliary Relays 42
- 6.4 Communication status 44
- 7. MODBUS Standard Commands 45
- 7.2 Frame Specifications 47
- H(Station No.) 49
- H(Function) 49
- H) (07H) 49
- H) (12H) 49
- 7 MODBUS Standard Commands 51
- H to FFFFH) 59
- 8. Master Specification 82
- 8.2.1 Outline 83
- 8.3 ADPRW Command Parameters 84
- 9. Slave Specification 88
- Bit device: 89
- 3U Device 90
- 9 Slave Specification 91
- Word device: 97
- 9.5 Communication Event log 100
- 10 Creating Programs 101
- 2. Using the ADPRW Command 103
- 3. Reading Coils 103
- 11 Practical Program Examples 104
- 12. Troubleshooting 107
- 1) Error flags 109
- 12.6 MODBUS Error Code List 110
- 3U-485ADP-MB 110
- 3U-232ADP-MB) 110
- Warranty 115
- Revised History 116
- MITSUBISHI ELECTRIC 118
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