12 063
правки
Modbus/en: различия между версиями
Новая страница: «700px|thumb|center|Modbus-transaction with errors»
(Новая страница: «If an error occurs, the device returns an error code. In the case of a normal transaction, the function code in the response is returned unchanged; in the case of…») |
(Новая страница: «700px|thumb|center|Modbus-transaction with errors») |
||
| Строка 27: | Строка 27: | ||
If an error occurs, the device returns an error code. In the case of a normal transaction, the function code in the response is returned unchanged; in the case of an error, the highest bit of the function code is set to one (that is, the function code + 0x80) | If an error occurs, the device returns an error code. In the case of a normal transaction, the function code in the response is returned unchanged; in the case of an error, the highest bit of the function code is set to one (that is, the function code + 0x80) | ||
[[ | [[File:Modbus_transaction_ERR.png|700px|thumb|center|Modbus-transaction with errors]] | ||
---- | ---- | ||