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Modbus/en: различия между версиями
Новая страница: «{|class="wikitable" align="center" !Error Code || Error name|| Meaning |- ! 1 | Illegal Function || An invalid function code was sent in the request |- !…»
(Новая страница: «The most common Modbus error codes are listed in the following table:») |
(Новая страница: «{|class="wikitable" align="center" !Error Code || Error name|| Meaning |- ! 1 | Illegal Function || An invalid function code was sent in the request |- !…») |
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! | !Error Code || Error name|| Meaning | ||
|- | |- | ||
! 1 | ! 1 | ||
| Illegal Function || | | Illegal Function || An invalid function code was sent in the request | ||
|- | |- | ||
! 2 | ! 2 | ||
| Illegal Data Address || | | Illegal Data Address ||Illegal Data Address | ||
|- | |- | ||
! 3 | ! 3 | ||
| Illegal Data Value || | | Illegal Data Value || Illegal Data Value | ||
|- | |- | ||
! 4 | ! 4 | ||
| Slave Device Failure || | | Slave Device Failure ||An unrecoverable error occurred on the device while performing the requested operation | ||
|- | |- | ||
! 5 | ! 5 | ||
| Acknowledge || | | Acknowledge ||Request is accepted, executed, but will take a long time to complete; you must increase the timeout. | ||
|- | |- | ||
! 6 | ! 6 | ||
| Slave Device Busy || | | Slave Device Busy || The device is busy processing the previous request. | ||
|- | |- | ||
! 7 | ! 7 | ||
| Negative Acknowledge || | | Negative Acknowledge || The device cannot fulfill the request, you must obtain additional diagnostic information from the device. Maintenance may be required. | ||
|- | |- | ||
! 8 | ! 8 | ||
| Memory Parity Error || | | Memory Parity Error || Parity Error when accessing the internal memory of the device. | ||
|- | |- | ||
|} | |} | ||