??????? ??????? RS485 ???????? ??????? ?????????

??????? ??????? RS485 ???????? ??????? ?????????

???? ????? RS485? ??? ????? ????? ?? ???? ?? ?? ???????. ??????? ?? ??? ???? 0 ?1 ??? ??????? ??? ???? 0 ????? ?????? ????? 1 ????? ????.

??? ???? ??????: ???? ???? ?????? ??????? ?????? ??????? (PLC) ???? ???????? ??? ????? ?????? ???????? 1 ?2. ?????? ??? ????? ????? ?????? ???????? 1 ?2 ????? (????? ????). ??? ???? ???? ?????? ?????? 1 ????? ?????? ?????? 2 ????? ?? ?????? ??? 101010? ?????? ???? ?????? ?????? 1 ?????? ?????? ?? ????????? ??????? ????????? ??? ?? ???? ?? ????? ????? ??? ???? ??????? ????? ??. ??????? ???? ??????? ????? ????? ?????? ?????? 2? ??? ?????? ?????? ?????? ????????? ??????? ????????? ??????? ?? ???? ?????? ?????? 1? ??? ????? ???? ????? ?????? ?????? ????????? ??????? ????????? ???????? ??? 101010? ????? ????? ????? ??? ???????? ?? ???? ?????? ??????? ?????? ??????? (PLC) ??? ????? ?????? ???????? 1 ?2.

??? ???????? ???????? ????????:

1. ??????? ????? ??????? ?????? ???????? ????? ??????? ??????

??????? ????? ??????? ?????? ?? ???? ????? ????? ??????? ???????? ???????? ?? ????? ????. ??? ??????? ????? ??????? ?????? ????? ??? ?? ???? ??????? ????? ????? ???????? ??? ?? ????????? ??? ?? ????? ????.

??????? ?????:

????? ????? ???????: ???? ???? ??????? ?????? ????? ????? ????????

??? ?????: ?????? ??? ???? ????????? ???? ???? ???? ??? ?????? ????? ????? ????? ?? ??? ?????

????? ???????: ???? ?????? ??? ????? ????????? ????? ?????? ????? ????????? ??? ??? ???? ????? ???????.

2. ???? ???????:

????? ??? ???? ??????? ????? ??? ???? ??? ????????? ??? ???? ??????? ?? ???? ????? ?????. ????? ??? ?? ?????? 0 ? 1 (?? ????????? ??????? ?????????).

??? ???? ??????: ???? ?? ???? ??????? ?? 9.6 ?????? ?? ???????? ??? ???? ?? ???? ??????? ???? 9600 ?? ?? ???????? ?? ???????? ?? ??? ???? ????? 9600 ????? ???? ?????? ?? ??????? (??????: ????? ????????? ??????? ????????? ????? 9600).

???? ??? ????????

????? ??? ???? ????????? ???????? ??? ?????? ?? ??????? ??????? ??? ???? ??? ????? ????? ?? ?? rb. ?????? ?? ?? ?? ??????? (b/s)? ?????? ??? ???? ????.

3. ??????? ??? ????? ???????

???? ????? "??????? ???????-??????" ??? ???? ?? ???? ??????? ????? ?????? ????????? ????? ????? ??????? ?????? ???????? ???????. ???? ??? ???????? ??????? ??? ?????? ???????? ??????? ???????? ???? ?? ???? ????? ??????? ??? ??????? ???????. ?? ??? ?????? ??? ????? ???????? ??? ??????? ???????? ??? ?? ??? ??? ?????? ????????.

??????? ????? ???? ????? ???????? ?????? ??? ?????? ???????? ??????? ???????: ????? ??????? ????? ?????? ?????? ????? ??????.

1. ??? ????? ????? ??????.

1. ?????? ????????: ???? ?????? ???????? ?? ???? ???? ???????? ?????? ???????.

2. ???? ??????: ?? ???? ???? ?????? ???????? ?????? ?????????.

??????? ?????? ?????

1. ?????? ????????: ?????? ???????? ????? ?? ?????.

2. ???? ??????: ???? ?????? ???? ?????? ???? ?? ???? ???? ???? ?? ?????.

3. ?????? ????? ??????

1. ?????? ????????: ???? ?????? ???????? ?? ???? ??????? ?? ??????? ???????.

2. ?????? ???????: ?? ???? ?????? ??????? ??????? ??? ????? ?????? ?????.

??? ??? ???????? ???????? ???????? ???? ??? ????? ??????? 485 ????? ??????. ???? ???? ????? ????? ?????? ??????? 485 ?? ????? ?????: ????? ???????? ?????? ???????? ???? ???????? ??????? ???????.

????? ???????: ????? ??????? ?? ??? ????? ????? ??? ?????? ?? ?????? ???????? ?? ???? ??????? ???? ???????? ?????.

????? ???????: ??? ?????

??? ???????: ????? ?????-????

?????? ??????????: ????? ??? 9 ??????? ???? ??????? ??? ?? ????? ??? 9 ?????? ??????? ?????? 485? ?? ???? ???????? ????? ??? ??? ?????. ??? ????? ?????? ??????? 3 ??????? 8? ??? ???? ?????? 3 ??? ??????? ??????? (-) ????? ?????? 8 ??? ??????? ??????? (+).

?????? ?? ???? ????: ????? ?????? ??????? ?????? ?? ?????? ??????????? ???? ??????? ?? ??? ???????. ???? ?????? ?????????? ????? ??? ?????????? ??????? ?????? ??? ???? ??????? ??? ???? ?????? ?????? ???????? ??????? ???????????. ??????? ??? ?? ???????? ??????????? ??? ???. ???? 485 ???? ??????? ??? ?????? ??????????. ???? ?????? ?????????? ????? 485 ??? ???????? Modbus ????????? Profibus. ??? ?? ??????? ??? ???????? ??????? ??????? ??????????.

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ml: ????? ????? ?? ????? ??????? ?? ????? ??? ?????? ??? ???? ????? ???? ?? ??? ???? ???? ????? ??? ???? ?????? ??? ???????? ???????? (????? ???????) ????? ??? ?????? ??? ??? ?????? ????? ?????? ?????? ????? ????????????? ??? ?????? ??? ????? ???.