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![](https://ae01.alicdn.com/kf/HTB1WcqXaa5s3KVjSZFNq6AD3FXaa/SHT20-SHT30-Modbus-RS485-Dec12.jpg) ![](https://ae01.alicdn.com/kf/HTB1_bF4aliE3KVjSZFMq6zQhVXaK/SHT20-SHT30-Modbus-RS485-Dec12.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/HTB1WcqXaa5s3KVjSZFNq6AD3FXaa/SHT20-SHT30-Modbus-RS485-Dec12.jpg) ![](https://ae01.alicdn.com/kf/HTB1_bF4aliE3KVjSZFMq6zQhVXaK/SHT20-SHT30-Modbus-RS485-Dec12.jpg) ![](https://ae01.alicdn.com/kf/HTB1Gyl2af1H3KVjSZFBq6zSMXXa6/SHT20-SHT30-Modbus-RS485-Dec12.jpg)
- ¸ðµ¨ ¹øÈ£: SHT20
- Àç·á: È¥ÇÕ¹°
- À¯Çü: °¡½º °¨Áö±â
- Ãâ·Â: Other
- ºê·£µå À̸§: CFsunbird
- ¿ø»êÁö: Áß±¹
- Unit Type: piece
- Package Weight: 0.08kg (0.18lb.)
- Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
¿É¼ÇÁ¤º¸[(29)SHT20] [(173)SHT30]![](https://ae01.alicdn.com/kf/Ha873e26f8c894442ae92f971aae4d62ey/SHT20-SHT30-Modbus-RS485-Dec12.jpg_640x640.jpg)
¿Âµµ ¹× ½Àµµ ¼Û½Å±â SHT20 ¼¾¼ Modbus RS485
Á¦Ç° ¼³¸í:
Á¦Ç°Àº »ê¾÷¿ë Ĩ, °íÁ¤¹Ð SHT20 ¿Âµµ ¹× ½Àµµ ¼¾¼¸¦ äÅÃÇÏ¿© ¿ì¼öÇÑ ½Å·Ú¼º, °íÁ¤¹Ð ¹× ȣȯ¼ºÀ¸·Î Á¦Ç°À» º¸ÀåÇÕ´Ï´Ù. Ç¥ÁØ »ê¾÷¿ë Modbus Rtu ÇÁ·ÎÅäÄÝ°ú ȣȯµÇ´Â ÇÁ·ÎÅäÄÝ °èÃþ ÀÎ RS485 Çϵå¿þ¾î ÀÎÅÍÆäÀ̽º (¹ø°³ º¸È£ ¼³°è Æ÷ÇÔ) ¸¦ äÅÃÇϽʽÿÀ. MODBUS ÇÁ·ÎÅäÄÝÀ» ÀÏ¹Ý »ç¿ëÀÚ¿Í ÅëÇÕÇÏ´ÂÀÌ Á¦Ç°Àº Åë½Å ÇÁ·ÎÅäÄÝ, ÀÚµ¿ ¾÷·Îµå ±â´ÉÀÌÀÖ´Â °øÅë °è¾à (¿Âµµ¿Í ½Àµµ¸¦ ÀÚµ¿À¸·Î Ãâ·ÂÇÏ¿© RS485 Á÷·Ä ÀÎÅÍÆäÀ̽º ¸ðµå µµ±¸ ¿¬°á).
MODBUSÇÁ·ÎÅäÄÝ
MOdbus ÇÔ¼ö ÄÚµå:
0x03:Àб⠵î·Ï À¯Áö
0x04: ÀÔ·Â ·¹Áö½ºÅÍ Àбâ
0x06:½Ì±Û ¾²±âÀ¯Áöµî·Ï
0x10:´õ ¸¹Àº º¸°ü ·¹Áö½ºÅÍ ¾²±â
¸ðµå¹ö½ºÇÁ·¹ÀÓ Çü½Ä:
¸¶½ºÅÍ Àü¼Û Çü½Ä:
ÀÀ´ä³ë¿¹ Çü½Ä:
MODBUS¸í·É
¸¶½ºÅͿµµ ¸í·É ÇÁ·¹ÀÓ Àбâ(0x04):
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹:
¿Âµµ °ª= 0x131,½ÊÁø¼ö·Î º¯È¯ÇÏ´Ù.305,½ÇÁ¦ ¿Âµµ °ª = 305 / 10 = 30.5°
Âü°í: ¿Âµµ´Â 16 Áø¼ö, ¿Âµµ °ª = 0 À¸·Î ¼¸íµË´Ï´Ù.XFF33, 10 Áø¼ö-205 º¯È¯ÇÏ¸é ½ÇÁ¦ ¿Âµµ =-20.5 °;
¸¶½ºÅͽÀµµ ¸í·É ÇÁ·¹ÀÓ Àбâ(0x04)
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹:
½Àµµ °ª = 0x222, 10 Áø¼ö 546 º¯È¯, ½ÇÁ¦ ½Àµµ °ª = 546/10 = 54.6%;
¿¬¼Ó Àб⠿µµ ¹× ½Àµµ ¸í·É ÇÁ·¹ÀÓ(0x04):
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹:
REad µî·Ï À¯Áö(0x03):
REadÀåÄ¡ ÁÖ¼Ò¿¡¼³ë¿¹:
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹:
·¹Áö½ºÅÍÀÇ ³»¿ë ¼öÁ¤(0x06):
¼öÁ¤³ë¿¹ÁÖ¼Ò µî·Ï:
¼öÁ¤³ë¿¹ÁÖ¼Ò: 0x08 = 8
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹(±×¸®°í °°Àº º¸³»±â):
°è¼Ó ·¹Áö½ºÅÍ º¯°æ(0x10):
³ë¿¹ ÁÖ¼Ò: 0x20 = 32
ÀÌÀÇÀ²: 0x2580 = 9600
ÀÇ ÀÀ´ä µ¥ÀÌÅͳ뿹:
ÀϹÝÇÁ·ÎÅäÄÝ
±âº» Àü¼Û ¼Óµµ 9600 (»ç¿ëÀÚ°¡ ¼³Á¤ÇÒ ¼ö ÀÖÀ½), 8 ºñÆ® µ¥ÀÌÅÍ, ¿ø ½ºÅé, °Ë»ç ¾øÀ½
RS485
CMD
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Áöħ
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Àбâ
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º¸°í¼°¡ ¿Âµµ ¹× ½Àµµ¸¦ Æ®¸®°ÅÇß½À´Ï´Ù.
(27.4°,67.7% ?Óø27.4°?Óø67.7%)
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ÀÚµ¿
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¿Âµµ ¹× ½Àµµ ÀÚµ¿º¸°í ±â´É ½ÃÀÛ(À§¿Í µ¿ÀÏ)
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ÁßÁö
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¿Âµµ ¹× ½Àµµ ÀÚµ¿ º¸°í ±â´É ÁßÁö
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BR:XXXX
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Àü¼Û ¼Óµµ ¼³Á¤
9600~19200
(BR:9600)
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TC:X X.X
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¿Âµµ º¸Á¤ ¼³Á¤(-10.0~10.0)
(TC:02.0 Ae ¿øÁ¤ 2.0 ° )
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HC:X X.X
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½Àµµ ¼³Á¤(-10.0~10.0)
(HC:-05.1 ?Óøáóïá?? -5.1%)
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HZ: XXX
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¿Âµµ ¹× ½Àµµ º¸°í ¼Óµµ ¼³Á¤(0.5,1,2,5,10)
(HZ:2 º¸°í ¼Óµµ 2Hz)
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ÆĶ÷
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½Ã½ºÅÛ ÇöÀç ¼³Á¤ Àбâ
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ÆĶ÷CMD:
TC:0.0,HC:0.0,BR:9600,HZ:1 ->TEmp ±³Á¤ 0.0, ÈÄ¹Ì ±³Á¤ 0.0, ¹èµå ¼Óµµ9600, º¸°í¼ ºñÀ²1Hz
SLAVE_ADD:1 ->¸ð´õºÎ³ë¿¹ ÁÖ¼Ò 1
![](https://ae01.alicdn.com/kf/HTB1oI02agmH3KVjSZKzq6z2OXXag.jpg)
![](https://ae01.alicdn.com/kf/HTB1.Z02agmH3KVjSZKzq6z2OXXaa.jpg)
![](https://ae01.alicdn.com/kf/HTB1ucx4ak9E3KVjSZFrq6y0UVXa0.jpg)
![](https://ae01.alicdn.com/kf/HTB1acF3af1G3KVjSZFkq6yK4XXa8.jpg)
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