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| Both sides previous revision Previous revision | Next revisionBoth sides next revision | ||
| en:software:devices:modbus [2016/12/21 17:45] – [Read Holding Register] qem103 | en:software:devices:modbus [2016/12/21 17:46] – [5.4. Richieste di scrittura] 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 === | ||