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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.7
edited by Xiaoling
on 2022/07/22 11:10
Change comment: There is no comment for this version
To version 189.1
edited by Bei Jinggeng
on 2022/07/06 13:48
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
167 +Note: LHT65N use same payload as LHT65.
167 167  
168 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
170 -
171 171  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
172 172  
173 173  
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266 266  
267 267  * The First 6 bytes: has fix meanings for every LHT65N.
268 268  * The 7th byte (EXT #): defines the external sensor model.
269 -* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
268 +* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
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468 468  
469 469  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
470 470  
471 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
472 -|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
473 -|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
470 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
474 474  
475 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
476 -* (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
477 -* (% style="color:blue" %)**Unix Time Request**:(%%)  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
472 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
473 +* Sync time OK:  1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
474 +* Unix Time Request:  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
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480 480  
481 -
482 482  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
483 483  
484 484  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can