LSPM0075H
1
CONTENTS
1. Functions .................................................................................................................................................... 2
2. System Configurations ............................................................................................................................... 2
2 .1 MODBUS RTU Example ........................................................................................................................ 2
2 .2 MODBUS TCP Example ........................................................................................................................ 2
3. Technical Characteristic ............................................................................................................................. 3
3 .1 MODBUS RTU ....................................................................................................................................... 3
3 .2 MODBUS TCP (Optional Plug-in Module:ME-0000MT-SS96) ............................................................. 3
3 .3 MODBUS TCP (Optional Plug-in Module:ME-0040MT2-SS96) ........................................................... 3
4. Specification for Communication ................................................................................................................ 4
4 .1 General MODBUS frame ....................................................................................................................... 4
4 .2 MODBUS RTU ....................................................................................................................................... 5
4 .3 MODBUS TCP ....................................................................................................................................... 6
5. PDU Framing of Query and Response ...................................................................................................... 7
5 .1 Read Holding Registers (03H) ............................................................................................................... 7
5 .2 Write Multiple Registers (10H) ............................................................................................................... 8
5 .3 Diagnostics (08H) (Sub function code: 00H) ......................................................................................... 9
6. Exception Codes ...................................................................................................................................... 10
6 .1 MODBUS RTU ..................................................................................................................................... 10
6 .2 MODBUS TCP ..................................................................................................................................... 10
6 .3 Example ............................................................................................................................................... 10
7. Data .......................................................................................................................................................... 11
7 .1 List of Parameters ................................................................................................................................ 11
7 .2 Data of Setup Registers ....................................................................................................................... 44
7 .3 Multiplying Factor ................................................................................................................................. 50
7 .4 Specifications of built-in logging data .................................................................................................. 52
8. Test Fumction Mode ................................................................................................................................. 70
8 .1 ME96SSH/SSR/SSE/SSHA/SSRA/SSEA/SSHB/SSRB/SSEB-MB.................................................... 70
8 .2 ME96NSR-MB ..................................................................................................................................... 71
9. Sample program for the programmable controllers (Reference information) .......................................... 83
9 .1 Sample program for QJ71MB91 .......................................................................................................... 83
9 .2 Sample program for FX3U-485ADP-MB ........................................................................................... 108
TRADEMARKS................................................................................................................................................. 118