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Modbus-client/en: различия между версиями
Новая страница: «More detailed description of the request and response data structure can be found on the Modbus Protocol page.»
(Новая страница: «Note the structure of the query data:») |
(Новая страница: «More detailed description of the request and response data structure can be found on the Modbus Protocol page.») |
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| (не показаны 3 промежуточные версии этого же участника) | |||
| Строка 158: | Строка 158: | ||
Note the structure of the query data: | Note the structure of the query data: | ||
*[01] — | *[01] — address | ||
*[0F] — | *[0F] — write Multiple Coils function code | ||
*[00][00] — | *[00][00] — address of the first flag register to be recorded | ||
*[00][0E] — | *[00][0E] — number of items to record (14) | ||
*[02] — | *[02] — number of data bytes (14 bits are placed in 2 bytes) | ||
*[55][15] — 01010101 00010101 ( | *[55][15] — 01010101 00010101 (the first relay is the lowest bit of the first byte, 8th relay is the highest bit of the first byte, 9th relay is the lowest bit of the second byte) | ||
*[1A][97] — CRC16 | *[1A][97] — CRC16 | ||
As well as note the structure of the answer: | |||
*<01> — | *<01> — address | ||
*<0F> — | *<0F> — write Multiple Coils function code | ||
*<00><00> — | *<00><00> — address of the first flag register to be recorded | ||
*<00><0E> — | *<00><0E> — number of recorded flag registers | ||
*<D4><0F> — CRC16 | *<D4><0F> — CRC16 | ||
More detailed description of the request and response data structure can be found on the [[Протокол Modbus/en|Modbus Protocol]] page. | |||