SM-A49916
vi 2021-08-11
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............................................................................................ iii
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................................................................................................................................... vi
1. ..................................................................................................................... 1
1.1 .............................................................................................................. 1
1.1.1 ............................................................................................... 1
1.1.2 ...................................................................................... 2
1.1.3 ................................................................................................ 3
1.2 ..................................................................................................................... 4
1.2.1 ............................................................................................... 4
1.2.2 ...................................................................................... 7
1.3 .............................................................................................................. 9
1.3.1 General .......................................................................................................... 9
1.3.2 .................................................................................... 10
1.3.3 ............................................................................................. 13
1.3.4 ..................................................................................................... 14
1.4 ............................................................................................................ 19
1.4.1 ........................................................................................... 19
1.4.2 .................................................................................. 20
1.5 ............................................................................................................ 23
1.5.1 ........................................................................... 25
2. ....................................................................................................................... 26
2.1 ............................................................................................................ 26
2.2 ............................................................................................................ 28
2.3 ............................................................................................................ 29
2.3.1 ................................................................................................... 29
2.3.2 ....................................................................................................... 29
2.3.3 ...................................................................................................... 29
2.3.4 .......................................................................................................... 30
2.4 ............................................................................................................ 31
2.4.1 D .............................................................................................. 33
2.4.2 ...................................................................................................... 34
2.4.3 .......................................................................... 35
3. ................................................................................................................... 39
3.1 RS-485 ...................................................................................................... 41
3.2 ............................................................................................................ 43
3.2.1 ........................................................... 43
3.2.2 ............................................................ 46
3.2.3
() ......................................... 48
3.2.4 RS-485 (RS-485 ) ............................... 49