Table Of Contents - Mitsubishi Electric MR-JE-C Series Instruction Manual

1. FUNCTIONS AND CONFIGURATION
1.1 Function List ...................................................................................................................................... 1- 1
2. CC-Link IE Field Network Basic/SLMP
2.1 Outline ............................................................................................................................................... 2- 1
2.1.1 Features ..................................................................................................................................... 2- 1
2.2 Communication specifications .......................................................................................................... 2- 2
2.2.1 Communication specifications of CC-Link IE Field Network Basic ............................................ 2- 2
2.2.2 SLMP communication specifications ......................................................................................... 2- 3
2.3 Outline of CC-Link IE Field Network Basic protocol ......................................................................... 2- 3
2.3.1 Message format ......................................................................................................................... 2- 4
2.3.2 Link device ................................................................................................................................. 2- 4
2.3.3 Mapping data details of link device ............................................................................................ 2- 6
2.4 SLMP ................................................................................................................................................ 2- 7
2.4.1 Outline ........................................................................................................................................ 2- 7
2.4.2 Message format ......................................................................................................................... 2- 8
2.4.3 Command .................................................................................................................................. 2-10
2.4.4 CiA 402 read/write command .................................................................................................... 2-10
2.4.5 Error codes ................................................................................................................................ 2-13
2.5 STARTUP ........................................................................................................................................ 2-14
2.5.1 CC-Link IE Field Network Basic initial communication setting ................................................. 2-14
2.5.2 IP address setting ..................................................................................................................... 2-15
3. Modbus/TCP
3.1 Outline ............................................................................................................................................... 3- 1
3.2 Communication specifications .......................................................................................................... 3- 1
3.3 Function List ...................................................................................................................................... 3- 2
3.4 Outline of Modbus/TCP protocol ....................................................................................................... 3- 2
3.5 Modbus/TCP Communication Message Frame ............................................................................... 3- 3
3.6 Function Codes ................................................................................................................................. 3- 4
3.6.1 List of function codes ................................................................................................................. 3- 4
3.6.2 Read Holding Registers (Reading data in holding registers: 03h)............................................. 3- 4
3.6.3 Diagnostics (Function diagnostics: 08h) .................................................................................... 3- 6
3.6.4 Preset Multiple Registers (Writing data in multiple holding registers: 10h) ............................... 3- 8
3.6.5 Processing at occurrence of an error ........................................................................................ 3-10
3.7 Startup ............................................................................................................................................. 3-11
3.7.1 Modbus/TCP initial communication setting ............................................................................... 3-11
3.7.2 IP address setting ..................................................................................................................... 3-12
4. Modbus RTU
4.1 Outline ............................................................................................................................................... 4- 1
4.2 Communication Specifications .......................................................................................................... 4- 1
4.3 Function List ...................................................................................................................................... 4- 2
4.4 System Configuration ....................................................................................................................... 4- 3
4.4.1 Diagrammatic sketch .................................................................................................................. 4- 3
CONTENTS
1
1- 1 to 1- 4
2- 1 to 2-16
3- 1 to 3-12
4- 1 to 4-14