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()-LS, ()-HF

 -LS RS-485 - ()-LS N×2×0,60 ()-HF N×2×0,60

: (, . )

, RS-485 / 8482, TIA/EIA-485-A. . ()-LS 1.8.2.2.2 53315-2009. ()-HF 1.8.1.2.1. . ()-LS . . 22.1.12–2005 3, . .




0,60 ( 7×0,20 ) , 88-92%. . , - (()-LS) (()-HF). 0,3 .



20 C, , /10010,0
20 C N=1; 2; 3; 4, , /1001,16; 0,81; 0,76; 0,73
, , %3
1 , 120 12
, , /42
, , , /71
1 , , /1002,1


  , N , , . , 1 , , , ,
()-LS()-HF
1 7,7115,0 91,9 50 ÷ 70 60 ÷ 7030
210,7160,5143,9
3 11,2 168,0160,5
4 11,7 175,5173,5
513,9208,5218,4
614,9223,5242,7
714,9223,5250,6
816,0240,0278,4
917,6264,0311,6
1018,6279,0338,4

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