en:software:devices:modbus

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en:software:devices:modbus [2016/12/21 17:04] – [Read Coil] qem103en:software:devices:modbus [2016/12/21 17:06] – [Read Input] qem103
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 === Read Input === === Read Input ===
  
-Bit read function. Si vogliono leggere i bit di un certo slave (//idcard//). La funzione è identica alla “//Read Coil//”. Viene impostato il parametro type = 2.\\ Il significato delle due funzioni si distingue a livello di protocollo MODBUS. Alcuni slave possono mettere a disposizione delle zone di memoria differenti a seconda se i bit letti sono Coil Input. Nel caso di slave Qmove le due richieste hanno lo stesso effetto.+Bit read function. To read the bits of a slave (//idcard//). The function is equal to the “//Read Coil//”. Sets the parameter type = 2.\\ The meaning of the two functions is distinguished at the level of MODBUS protocolSome slave can make available different memory areas depending if the bits are Coil or Input. In the case of slave Qmove the two requests have the same effect.
  
 === Read Holding Register === === Read Holding Register ===
  • Last modified: 2020/07/13 14:58