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![](https://ae01.alicdn.com/kf/S9b5f25ae383f4285b86b46c8f46c9fb2W/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/Sdf277a6a274e4be9b3c55e148b90e090u/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/Sc459d36da716434ba63474bb15090addu/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/S284a78c2f2ae4fa1814709b08125d948E/TTL-TO-RS485.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S9b5f25ae383f4285b86b46c8f46c9fb2W/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/Sdf277a6a274e4be9b3c55e148b90e090u/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/Sc459d36da716434ba63474bb15090addu/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/S284a78c2f2ae4fa1814709b08125d948E/TTL-TO-RS485.jpg) ![](https://ae01.alicdn.com/kf/S91b69a476b1d4da89fd6eede214f0e30S/TTL-TO-RS485.jpg)
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- ºê·£µå À̸§: Waveshare
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Àü¿ø °ø±Þ ÀåÄ¡ ÀÎÅÍÆäÀ̽º
Àü¿ø °ø±Þ ÀåÄ¡: 3.3V ~ 5V
º¸È£: ¹ÝÀü ¹æÁö, °úÀü¾Ð ¹æÁö
ÀåÄ¡ Æ÷Æ®:TTL / RS422 Ç¥ÁØ È£È¯
TTL
Ä¿³ØÅÍ: ³ª»ç ´ÜÀÚ
Àü¼Û °Å¸®: ¾à 10m
Àü¼Û ¸ðµå: Æ÷ÀÎÆ® Åõ Æ÷ÀÎÆ®
RS422
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Àü¼Û °Å¸®: ¾à 1.2km
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ÄÉÀ̽º: ·¹ÀÏ ¸¶¿îÆ® ABS ÄÉÀ̽º
Å©±â: 106.0 × 58.6 × 36.0mm
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VCC: ±àÁ¤Àû ÀÎ Èû
DC 3.3V ~ 5V ¿¡ ÀÇÇØ ±¸µ¿
GND : GND
TXD : TTL ½ÅÈ£ ÇÉ
RXD : TTL ½ÅÈ£ ¼ö½Å ÇÉ
ÇÏ´Ü Å͹̳ΠÀÎÅÍÆäÀ̽º ¼³¸í
ÀüÈ Á¢¼Ó ½ºÀ§Ä¡: 120R ½ºÀ§Ä¡ »ç¿ë
SGND : 485 ½ÅÈ£ Á¢Áö
A + : RS485 Â÷µ¿ ½ÅÈ£ ¾ç±Ø
B- : RS485 Â÷µ¿ ½ÅÈ£ À½
Åë½Å ¿¬°á ȸ·Îµµ
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ÀÀ¿ë ¿¹
RS232 TO RS485 (B) ´Â µÎ È£½ºÆ® °£ÀÇ Æ÷ÀÎÆ® ´ë Æ÷ÀÎÆ®, Æ÷ÀÎÆ® ´ë ¸ÖƼ Æ÷ÀÎÆ®, Àå°Å¸® °è´Ü½Ä Åë½Å ³×Æ®¿öÅ©¿¡ ³Î¸® »ç¿ëµÉ ¼ö ÀÖ½À´Ï´Ù. ¶Ç´Â È£½ºÆ®¿Í MCU/ÁÖº¯ ÀåÄ¡ »çÀÌ. ¶ÇÇÑ »ê¾÷ ÀÚµ¿È ¹× IoT¿Í °°ÀÌ TTL¿¡¼ RS485 ·ÎÀÇ º¯È¯ÀÌ ÇÊ¿äÇÑ ¾ÖÇø®ÄÉÀÌ¼Ç ½Ã³ª¸®¿À¿¡¼µµ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
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Ä¡¼ö °³¿ä
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ÆÐÅ°Áö Æ÷ÇÔ
RS485 (B) x1 ·Î TTL
µå¶óÀ̹ö x1
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