Siemens SITRANS F Modbus RTU RS 485 - Glossary

Glossary
CRC
Cyclic Redundancy Check. Used for error-checking in Modbus RTU
Modbus master
A Modbus device, which is able to access data in one or more connected Modbus slaves.
Modbus slave
A Modbus device, which is able to respond to requests from a single Modbus master.
RS232
Refers to communication standard de󹪝ned by EIA/TIA-232 (Physical layer).
RS485
Refers to communication standard de󹪝ned by EIA/TIA-485 (Physical layer).
Modbus RTU RS 485
Operating Instructions, 03/2021, A5E00753974-AB 73