Modbus TCP Flashcards
What type of data are Modbus coils?
Boolean
What type of data are Modbus Status Registers?
Boolean, can only be read from
What type of data are Modbus Input Registers?
Analog Integer or Real memory locations that can only be read from
What type of data are Modbus Holding registers?
Analog Integer or Real Memory locations that can be written to or read from
What nominal Register Address range is assigned to Modbus Coils or Discrete Outputs in a 5 digit system?
00001 to 09999
What nominal Register Address range is assigned to Modbus Holding Registers or Analog Output in a 5 digit
system?
40001 - 49999
What nominal Register Address range is assigned to Modbus Status Registers or Discrete Input in a 6 digit
system?
100001 - 199999
What nominal Register Address range is assigned to Modbus Input Registers in a 6 digit
system?
300001 - 399999