TABLE OF CONTENTS
1. INTRODUCTION ......................................................... 14
What is Ethernet?......................................................... 14
Components ................................................................. 14
2. ETHERNET COMMUNICATION MODULE
FEATURES....................................................................... 15
Common Features........................................................ 15
Layout of the module.................................................... 16
3. INSTALLATION AND CONNECTION......................... 17
Installation .................................................................... 17
Terminal Block of Ethernet Communication……………….
Specification ................................................................. 22
Network cable specification ..................................... 23
Protocol Selection.................................................... 24
LEDs description...................................................... 25
4. MODBUS TCP............................................................. 28
Modbus TCP frame structure........................................ 28
Function Codes............................................................. 29
Exception Frame........................................................... 29
5. ETHERNET IP............................................................. 31
Basic Protocol Configuration ........................................ 31
Implicit Messaging........................................................ 32
Supported range...................................................... 33
Input instance........................................................... 34
Output instance........................................................ 37
Explicit Messaging........................................................ 40
Identity object (Class 0x01, Instance 1)................... 40
