21 Aralık 2011 Çarşamba

Modbus/ASCII ve Modbus/RTU Özellikleri

 Modbus/ASCII ve  Modbus/RTU Özellikleri
  Modbus/ASCII Modbus/RTU
Characters ASCII 0...9 and A..F Binary 0...255
Error check LRC Longitudinal Redundancy Check CRC Cyclic Redundancy Check
Frame start character ':' 3.5 chars silence
Frame end characters CR/LF 3.5 chars silence
Gaps in message 1 sec 1.5 times char length
Start bit 1 1
Data bits 7 8
Parity even/odd none even/odd none
Stop bits 1 2 1 2

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