Communication \ with MODBUS TCP/IP

• Protocol description
• Technical Data
• MODBUS Addresses for Processor Modules PM5xx
  • MODBUS Address Table
  • Peculiarities for accessing MODBUS Addresses
  • Areas protected from read/write Access by MODBUS Client
  • Comparison between AC500 and AC31/S90 MODBUS addresses
• MODBUS Addresses for Processor Modules PM56xx
  • MODBUS Address Table
  • Peculiarities for accessing MODBUS Addresses
  • Areas protect from read/write access by MODBUS client
• Local data of the MODBUS client
• MODBUS telegrams
  • Exception response by server
• Processing Bits
  • MODBUS Client
  • MODBUS Server
• Function Blocks ETH_MOD_MAST and ETHx_MOD_MAST