Moxa Technologies MGate MB3000 Series - Page 5

Introduction .........................................................................................................................11-2
Replace Serial Masters with Ethernet Master(s), Slave IDs are Configurable ....................11-2
Replace Serial Masters with Ethernet Master(s), Slave IDs are Fixed ................................11-3
Keep Serial Master and Add Ethernet Master(s) .................................................................11-3
Integrate Modbus RTU, ASCII, and TCP at the Same Time ...............................................11-4
Appendix A Modbus Overview ................................................................................... A-1
Introduction ......................................................................................................................... A-1
Devices are Either Masters or Slaves .................................................................................. A-1
Slaves are Identified by ID .................................................................................................. A-1
Communication is by Request and Response ...................................................................... A-2
Requests Need a Time Limit ............................................................................................... A-2
Modbus Ethernet vs. Modbus Serial .................................................................................... A-3
Integrate Modbus Serial and Ethernet with Gateways ......................................................... A-3
Appendix B Declaration of Conformity ...................................................................... B-1