en:software:devices:modbus

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en:software:devices:modbus [2016/12/21 17:45] – [Read Holding Register] qem103en:software:devices:modbus [2016/12/21 17:50] – [Force coil] qem103
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 Word read function. For reading the bit of the slave (idcard). The function is equal to the “Read Holding Register”. sets the parameter type = 4.\\ The meaning of the two functions is distinguished at the level of MODBUS protocol. Some slave can make available different memory areas depending if the read word are Holding or Input. In the case of slave Qmove the two requests have the same effect. Word read function. For reading the bit of the slave (idcard). The function is equal to the “Read Holding Register”. sets the parameter type = 4.\\ The meaning of the two functions is distinguished at the level of MODBUS protocol. Some slave can make available different memory areas depending if the read word are Holding or Input. In the case of slave Qmove the two requests have the same effect.
  
-==== - Richieste di scrittura ====+==== - Write request ====
  
 === Force coil === === Force coil ===
-Funzione di scrittura bitSi vogliono scrivere (forzarebit di un certo slave (//idcard//). Viene impostato il parametro //type// = + 
-5.\\ Bisogna impostare addr per indicare l’indirizzo del bit nello slave in cui si intende scrivereBisogna impostare tabreg +Bit write functionFor writing (forcethe bit of the slave (//idcard//). Sets the parameter //type// = 5.\\ You must set addr to indicate the address of the bit in the slave that you want to writeYou must set tabreg to indicate the index of the bit in the write data table” that contains the value to be written.
-per indicare l’indice del bit nella tabella dei dati da scrivere” in cui è contenuto il valore da scrivere.+
  
 === Force register === === Force register ===
  • Last modified: 2020/07/13 14:58