Glossary - Siemens SITRANS F Operating Instructions Manual
Communication modules modbus rtu rs485
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Also See for SITRANS F:
- Function manual (350 pages) ,
- Instruction manual (306 pages) ,
- Operating instructions manual (278 pages)
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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 t communication standard defined by EIA/TIA-232.(Physical layer)
RS485
Refers t communication standard defined by EIA/TIA-485.(Physical layer)
Modbus RTU RS485
Operating Instructions, 06/2010, A5E00753974-04
73
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