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2021-07-26
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½Ã¸®¾óÅë½Å ¹ÝµµÃ¼ ASIC ¹× Çϵå¿þ¾î °³¹ßÀÚ°¡ ¾´ »ó¼¼ Ç¥ÁØ ³»¿ë°ú ÇöÀå ½Ç¹« ³ëÇϿ츦 ´ãÀº ½Ã¸®¾óÅë½Å ÇÚµåºÏ
ºñµ¿±â ½Ã¸®¾óÅë½Å RS-232, RS-422, RS-485 Åë½Å¹æ½Ä°ú Á¾´ÜÀúÇ×, ¾ÆÀַ̼¹À̼Ç, Á¢Áö µî Á¦¹Ý Áö½ÄµéÀ» ´Ù·ç¸ç, ½Ã¸®¾óÅë½Å ÇöÀå¿¡¼­ °Þ´Â ¹®Á¦ÀÇ ¼Ö·ç¼ÇÀ» Á¦½ÃÇÑ´Ù.

- ºñµ¿±â ½Ã¸®¾óÅë½Å
- RS232, RS422, RS485 Åë½Å¹æ½Ä
- ½Ã¸®¾óÅë½ÅÀÇ Á¾´ÜÀúÇ×, Á¢Áö, ¾ÆÀַ̼¹À̼Ç
- ´Ù¾çÇÑ ½Ã¸®¾óÅë½Å Àåºñ ¼Ò°³
- ½Ã¸®¾óÅë½Å ÇöÀå¿¡¼­ °Þ´Â ¹®Á¦ÀÇ ¼Ö·ç¼Ç Á¦½Ã

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1. ½Ã¸®¾ó Åë½Å °³¿ä
1.1 ½Ã¸®¾ó Åë½Å°ú Æз¯·¼ Åë½Å 12
1.2 µ¿±â Àü¼Û°ú ºñµ¿±â Àü¼Û 13
1.3 Àü¼Û ¹æÇâ¿¡ µû¸¥ Åë½Å ºÐ·ù 14
1.4 µ¥ÀÌÅÍ Åë½Å ½Ã½ºÅÛÀÇ ±¸¼º 15
1.5 ºñÆ® ´ÜÀ§ µ¥ÀÌÅÍ Àü¼Û 16
1.6 UART°¡ °ËÃâÇÏ´Â ¿¡·¯ 4°¡Áö 20
1.7 ºñµ¿±â ½Ã¸®¾óÅë½Å ½Ã½ºÅÛ 23
1.8 ºñµ¿±â ½Ã¸®¾ó Åë½Å ºñ±³Ç¥ 26
1.9 ½Ã¸®¾ó Åë½Å »ç¾ç ¸¶Àεå¸Ê Á¤¸® 26
2. ½Ã¸®¾ó Åë½Å ¿ª»ç
2.1 ½Ã¸®¾ó Åë½Å ¿ª»ç 30
2.2 UARTÀÇ ¿ª»ç 32
2.3 ½Ã¸®¾ó Åë½Å Ç¥ÁØ 33
2.4 ½Ã¸®¾ó ³×Æ®¿öÅ© ±¸¼º 40
3. ºñµ¿±â ½Ã¸®¾ó Åë½Å, RS-232
3.1 RS-232 °³¿ä 44
3.2 RS-232 ¿ª»ç 47
3.3 RS-232 ½ÅÈ£¼±°ú ·ÎÁ÷ 48
3.4 RS-232 Ä¿³ØÅÍ¿Í ÇÉ»ç¾ç 52
3.5 RS-232 ÄÉÀ̺í 53
3.6 RS-232 ³×Æ®¿öÅ© ±¸¼º (Topology) 54
3.7 È帧Á¦¾î (Flow Control) 54
3.8 RS-232 Åë½Å ÀýÂ÷ (¸ðµ© ½ÅÈ£) 57
3.9 RS-232 µð¹ÙÀ̽º °£ ¿¬°á ¹æ¹ý 58
3.10 RS-232 ·çÇÁ¹é Å×½ºÆ® 64
3.11 RS-232 ÇÑ°èÁ¡ 64
4. RS-422 & RS-485 °øÅë »çÇ×
4.1 Â÷µ¿ ½ÅÈ£ (Differential Signal) 68
4.2 Åë½Å ÄÉÀ̺í 71
4.3 Fail-Safe Bias 72
4.4 Àü¼Û¼Óµµ(Data Rate) vs Åë´Þ°Å¸®(Cable Length) 74
4.5 RS-422 vs RS-485 75
4.6 ´ÜÀ§ ºÎÇÏ(Unit Load) 76
4.7 ¿ÀÅä Åä±Û¸µ(Auto Toggling) 80
5. ºñµ¿±â ½Ã¸®¾ó Åë½Å, RS-422
5.1 RS-422 °³¿ä 84
5.2 RS-422 ¿ª»ç 86
5.3 RS-422 ½ÅÈ£¼±°ú ·ÎÁ÷ 86
5.4 RS-422 Ä¿³ØÅÍ¿Í ÇÉ»ç¾ç 89
5.5 RS-422 ³×Æ®¿öÅ© ±¸¼º (Topology) 91
5.6 RS-422 µð¹ÙÀ̽º °£ ¿¬°á ¹æ¹ý 92
5.7 RS-422 µ¿ÀÛ ¸ðµå 94
5.8 RS-422 ·çÇÁ¹é Å×½ºÆ® 96
6. ºñµ¿±â ½Ã¸®¾ó Åë½Å, RS-485
6.1 RS-485 °³¿ä 98
6.2 RS-485 ¿ª»ç 101
6.3 RS-485 ½ÅÈ£¼±°ú ·ÎÁ÷ 101
6.4 RS-485 Ä¿³ØÅÍ¿Í ÇÉ»ç¾ç 104
6.5 RS-485 ³×Æ®¿öÅ© ±¸¼º (Topology) 104
6.6 RS-485 µð¹ÙÀ̽º °£ ¿¬°á ¹æ¹ý 105
6.7 RS-485 µ¿ÀÛ ¸ðµå 108
6.8 RS-485 °íÀå Å×½ºÆ® 112
7. ½Ã¸®¾ó Åë½ÅÀÇ ºÎ°¡ »çÇ×µé
7.1 ½Ã¸®¾ó ÀåÄ¡ ¼³Ä¡ ½Ã °í·ÁÇÒ °Íµé 114
7.2 ÄÉÀ̺í ÀüÆÄ ¼Óµµ(Propagation Delay) °è»ê ¹æ¹ý 117
7.3 Á¾´Ü ÀúÇ× (Termination) 118
7.4 Á¢Áö (Grounding) 126
7.5 ½áÁö(Surge) 137
7.6 ¾ÆÀַ̼¹ÀÌ¼Ç (Isolation) 139
7.7 Bit Rate vs Baud Rate 147
7.8 Åë½Å È¿À² (Throughput) 148
7.9 9-ºñÆ® ½Ã¸®¾ó Åë½Å 150
7.10 ½Ã¸®¾ó Æ®·£½Ã¹ö(Serial Transceiver) 153
8. ½Ã¸®¾ó µð¹ÙÀ̽º
8.1 Serial Multiport Card 156
8.2 USB Serial Multiport 158
8.3 ½Ã¸®¾ó µð¹ÙÀ̽º ¼­¹ö(Serial Device Server) 159
8.4 ½Ã¸®¾ó ÄÁ¹öÅÍ(Serial Signal Converter) 161
8.5 Serial to Wireless Converter 164
8.6 ÇÁ·ÎÅäÄÝ ÄÁ¹öÅÍ (Protocol Converter) 166
8.7 Surge Protector, Repeater & Isolator 167
8.8 ½Ã¸®¾ó ºÐ¼®±â(Serial Analyzer) 170
8.9 ½Ã¸®¾ó Á¨´õ (Serial Gender Changer) 171
9. Trouble Shootings
9.1 Ãʱ⠼³Ä¡ ÈÄ Åë½ÅÀÌ ¾ÈµÇ´Â °æ¿ì 174
9.2 »ç¿ë µµÁß °©ÀÚ±â Åë½ÅÀÌ °è¼Ó ¾ÈµÇ´Â °æ¿ì 176
9.3 Åë½ÅÀÌ Àß µÇ´Ù°¡ °¡²û½Ä ¿¡·¯°¡ ¹ß»ýÇÏ´Â °æ¿ì 176
9.4 UART ¿¡·¯°¡ ¹ß»ýÇÏ´Â °æ¿ì 177
9.5 Àåºñ´Â Á¤»óÀ̳ª ÇöÀå¿¡ ¼³Ä¡ÇÏ¸é ¾ÈµÇ´Â °æ¿ì 178
9.6 Àåºñ°¡ ÀÚÁÖ °íÀå ³ª´Â °æ¿ì 179