Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 104.1 >
edited by Bei Jinggeng
on 2022/05/25 16:24
To version < 54.1 >
edited by Xiaoling
on 2022/05/23 11:14
>
Change comment: Uploaded new attachment "image-20220523111447-1.jpeg", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 -(% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3 -
4 -
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -
10 -**Table of Contents：**
11 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
12 12  {{toc/}}
3 +{{/box}}
13 13  
5 +(% class="wikigeneratedid" %)
6 += =
14 14  
8 +(% class="wikigeneratedid" %)
9 += 1.Introduction =
15 15  
11 +== 1.1 Overview ==
16 16  
17 -= 1. Introduction =
13 +[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
18 18  
19 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 -(((
22 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
23 -)))
16 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
24 24  
25 -(((
26 26  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
27 -)))
28 28  
29 -(((
30 30  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31 -)))
32 32  
33 -(((
34 34  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35 -)))
36 36  
37 -(((
38 -LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
39 -)))
24 +LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
40 40  
41 -(((
42 42  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43 -)))
44 44  
45 -== 1.2 Features ==
46 46  
29 +== Features: ==
30 +
47 47  * Wall mountable
48 48  * LoRaWAN v1.0.3 Class A protocol
49 49  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,87 +56,55 @@
56 56  * Tri-color LED to indicate working status
57 57  * Datalog feature
58 58  
59 -== 1.3 Specification ==
43 +== Specification: ==
60 60  
61 -(((
62 62  **Built-in Temperature Sensor:**
63 -)))
64 64  
65 -* (((
66 -Resolution: 0.01 °C
67 -)))
68 -* (((
69 -Accuracy Tolerance : Typ ±0.3 °C
70 -)))
71 -* (((
72 -Long Term Drift: < 0.02 °C/yr
73 -)))
74 -* (((
75 -Operating Range: -40 ~~ 85 °C
76 -)))
47 +* Resolution: 0.01 °C
48 +* Accuracy Tolerance : Typ ±0.3 °C
49 +* Long Term Drift: < 0.02 °C/yr
50 +* Operating Range: -40 ~~ 85 °C
77 77  
78 -(((
79 79  **Built-in Humidity Sensor:**
80 -)))
81 81  
82 -* (((
83 -Resolution: 0.04 %RH
84 -)))
85 -* (((
86 -Accuracy Tolerance : Typ ±3 %RH
87 -)))
88 -* (((
89 -Long Term Drift: < 0.02 °C/yr
90 -)))
91 -* (((
92 -Operating Range: 0 ~~ 96 %RH
93 -)))
54 +* Resolution: 0.04 %RH
55 +* Accuracy Tolerance : Typ ±3 %RH
56 +* Long Term Drift: < 0.02 °C/yr
57 +* Operating Range: 0 ~~ 96 %RH
94 94  
95 -(((
96 96  **External Temperature Sensor:**
97 -)))
98 98  
99 -* (((
100 -Resolution: 0.0625 °C
101 -)))
102 -* (((
103 -±0.5°C accuracy from -10°C to +85°C
104 -)))
105 -* (((
106 -±2°C accuracy from -55°C to +125°C
107 -)))
108 -* (((
109 -Operating Range: -55 °C ~~ 125 °C
110 -)))
61 +* Resolution: 0.0625 °C
62 +* ±0.5°C accuracy from -10°C to +85°C
63 +* ±2°C accuracy from -55°C to +125°C
64 +* Operating Range: -55 °C ~~ 125 °C
111 111  
112 -= 2. Connect LHT65N to IoT Server =
66 += Connect LHT65N to IoT Server =
113 113  
114 -== 2.1 How does LHT65N work? ==
68 +== How does LHT65N work? ==
115 115  
116 -(((
117 117  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
118 -)))
119 119  
120 -(((
121 121  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
122 -)))
123 123  
124 -== 2.2 How to Activate LHT65N? ==
125 125  
75 +== How to Activate LHT65N? ==
76 +
126 126  The LHT65N has two working modes:
127 127  
128 128  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
129 129  * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
130 130  
131 -(((
132 132  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133 -)))
134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220525110604-2.png]]
86 +|**Behavior on ACT**|**Function**|**Action**
87 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
88 +|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
89 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
138 138  
139 -== 2.3 Example to join LoRaWAN network ==
91 +== Example to join LoRaWAN network ==
140 140  
141 141  (% class="wikigeneratedid" %)
142 142  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
... ... @@ -147,7 +147,7 @@
147 147  Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
148 148  
149 149  
150 -=== 2.3.1 Step 1: Create Device n TTN ===
102 +=== **Step 1**: Create Device n TTN ===
151 151  
152 152  Create a device in TTN V3 with the OTAA keys from LHT65N.
153 153  
... ... @@ -161,8 +161,10 @@
161 161  
162 162  [[image:image-20220522232916-3.png]]
163 163  
116 +
164 164  [[image:image-20220522232932-4.png]]
165 165  
119 +
166 166  [[image:image-20220522232954-5.png]]
167 167  
168 168  Note: LHT65N use same payload as LHT65.
... ... @@ -175,60 +175,37 @@
175 175  [[image:image-20220522233118-7.png]]
176 176  
177 177  
178 -=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
132 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
179 179  
180 180  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
181 181  
182 -[[image:image-20220522233300-8.png||height="219" width="722"]]
136 +[[image:image-20220522233300-8.png]]
183 183  
184 184  
185 -== 2.4 Uplink Payload ==
139 +== Uplink Payload: ==
186 186  
187 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
141 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
188 188  
189 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
143 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
190 190  
191 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
192 -|(% style="width:97px" %)(((
193 -**Size(bytes)**
194 -)))|(% style="width:39px" %)(((
195 -**2**
196 -)))|(% style="width:100px" %)(((
197 -**2**
198 -)))|(% style="width:77px" %)(((
199 -**2**
200 -)))|(% style="width:47px" %)(((
201 -**1**
202 -)))|(% style="width:51px" %)(((
203 -**4**
204 -)))
205 -|(% style="width:97px" %)(((
206 -**Value**
207 -)))|(% style="width:39px" %)(((
208 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
216 -)))
217 217  
218 -(((
219 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
220 -)))
221 -)))|(% style="width:47px" %)(((
222 -[[Ext>>||anchor="H2.4.5Ext23"]] #
223 -)))|(% style="width:51px" %)(((
224 -[[Ext value>>||anchor="H2.4.6Extvalue"]]
225 -)))
146 +(% style="width:572px" %)
147 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
148 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
149 +[[Built-In>>path:#SHT20_Temperature]]
226 226  
151 +[[Temperature>>path:#SHT20_Temperature]]
152 +)))|(% style="width:103px" %)(((
153 +[[Built-in>>path:#SHT20_Humidity]]
154 +
155 +[[Humidity>>path:#SHT20_Humidity]]
156 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
157 +
227 227  * The First 6 bytes: has fix meanings for every LHT65N.
228 228  * The 7th byte (EXT #): defines the external sensor model.
229 229  * The 8^^th^^ ~~ 11^^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.)
230 230  
231 -=== 2.4.1 Decoder in TTN V3 ===
162 +=== Decoder in TTN V3 ===
232 232  
233 233  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
234 234  
... ... @@ -236,24 +236,37 @@
236 236  
237 237  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
238 238  
239 -[[image:image-20220522234118-10.png||height="353" width="729"]]
170 +[[image:image-20220522234118-10.png]]
240 240  
241 -=== 2.4.2 BAT-Battery Info ===
242 242  
173 +=== BAT-Battery Info ===
174 +
243 243  These two bytes of BAT include the battery state and the actually voltage
244 244  
245 -[[image:image-20220523152839-18.png]]
177 +(% style="width:646px" %)
178 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
179 +|Value|(% style="width:272px" %)(((
180 +BAT Status
246 246  
247 -[[image:image-20220522235639-1.png||height="139" width="727"]]
182 +00(b): Ultra Low ( BAT <= 2.50v)
248 248  
184 +01(b): Low  (2.50v <=BAT <= 2.55v)
185 +
186 +10(b): OK   (2.55v <= BAT <=2.65v)
187 +
188 +11(b): Good   (BAT >= 2.65v)
189 +)))|(% style="width:214px" %)Actually BAT voltage
190 +
191 +[[image:image-20220522235639-1.png]]
192 +
249 249  Check the battery voltage for LHT65N.
250 250  
251 251  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
252 252  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
253 253  
254 -=== 2.4.3 Built-in Temperature ===
198 +=== Built-in Temperature ===
255 255  
256 -[[image:image-20220522235639-2.png||height="138" width="722"]]
200 +[[image:image-20220522235639-2.png]]
257 257  
258 258  * Temperature:  0x0ABB/100=27.47℃
259 259  
... ... @@ -261,92 +261,72 @@
261 261  
262 262  * Temperature:  (0xF5C6-65536)/100=-26.18℃
263 263  
264 -=== 2.4.4 Built-in Humidity ===
208 +=== Built-in Humidity ===
265 265  
266 -[[image:image-20220522235639-4.png||height="138" width="722"]]
210 +[[image:image-20220522235639-4.png]]
267 267  
268 268  * Humidity:    0x025C/10=60.4%
269 269  
270 -=== 2.4.5 Ext # ===
214 +=== Ext # ===
271 271  
272 272  Bytes for External Sensor:
273 273  
274 -[[image:image-20220523152822-17.png]]
218 +(% style="width:624px" %)
219 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
220 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
221 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
275 275  
276 -=== 2.4.6 Ext value ===
223 +=== Ext value ===
277 277  
278 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
225 +==== Ext~=1, E3 Temperature Sensor ====
279 279  
280 280  [[image:image-20220522235639-5.png]]
281 281  
229 +
282 282  * DS18B20 temp=0x0ADD/100=27.81℃
283 283  
284 284  The last 2 bytes of data are meaningless
285 285  
234 +
235 +
286 286  [[image:image-20220522235639-6.png]]
287 287  
288 288  * External temperature= (0xF54F-65536)/100=-27.37℃
289 289  
290 -(((
291 291  The last 2 bytes of data are meaningless
292 -)))
293 293  
294 -(((
242 +
295 295  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
296 -)))
297 297  
298 298  
299 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
246 +==== Ext~=9, E3 sensor with Unix Timestamp ====
300 300  
301 301  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
304 -|(% style="width:96px" %)(((
305 -**Size(bytes)**
306 -)))|(% style="width:71px" %)(((
307 -**2**
308 -)))|(% style="width:99px" %)(((
309 -**2**
310 -)))|(% style="width:132px" %)(((
311 -**2**
312 -)))|(% style="width:54px" %)(((
313 -**1**
314 -)))|(% style="width:64px" %)(((
315 -**4**
316 -)))
317 -|(% style="width:96px" %)(((
318 -**Value**
319 -)))|(% style="width:71px" %)(((
320 -[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
321 -)))|(% style="width:99px" %)(((
322 -(((
323 -[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
324 -)))
325 325  
326 -(((
327 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
328 -)))
329 -)))|(% style="width:132px" %)(((
330 -(((
331 -BAT Status &
332 -)))
251 +(% style="width:697px" %)
252 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
253 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
254 +[[Built-In>>path:#SHT20_Temperature]]
333 333  
334 -(((
335 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
256 +[[Temperature>>path:#SHT20_Temperature]]
257 +)))|(% style="width:106px" %)(((
258 +[[BAT Status &>>path:#BAT_Humidity]]
259 +
260 +[[Built-in>>path:#BAT_Humidity]]
261 +
262 +[[Humidity>>path:#BAT_Humidity]]
263 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
264 +[[Unix>>path:#Unix_Time_Stamp]]
265 +
266 +[[Time Stamp>>path:#Unix_Time_Stamp]]
336 336  )))
337 -)))|(% style="width:54px" %)(((
338 -Status & Ext
339 -)))|(% style="width:64px" %)(((
340 -(((
341 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
342 -)))
343 -)))
344 344  
345 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
269 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
346 346  
347 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
348 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
349 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
271 +(% style="width:587px" %)
272 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
273 +|Value|(% style="width:280px" %)(((
350 350  BAT Status
351 351  
352 352  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -356,8 +356,8 @@
356 356  10(b): OK   (2.55v <= BAT <=2.65v)
357 357  
358 358  11(b): Good   (BAT >= 2.65v)
359 -)))|(% style="width:134px" %)(((
360 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
283 +)))|(% style="width:136px" %)(((
284 +[[Built-in Humidity>>path:#SHT20_Humidity]]
361 361  
362 362  
363 363  )))
... ... @@ -364,27 +364,29 @@
364 364  
365 365  * **Status & Ext Byte**
366 366  
367 -[[image:image-20220523152434-16.png]]
291 +(% style="width:732px" %)
292 +|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
293 +|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
294 +Ext:
368 368  
296 +0b(1001)
297 +)))
298 +
369 369  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370 370  * 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.
371 371  * 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)
372 372  
373 -== 2.5 Show data on Datacake ==
303 +== Show data on Datacake ==
374 374  
375 375  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
376 376  
377 -(((
307 +
378 378  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379 -)))
380 380  
381 -(((
382 382  **Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
383 -)))
384 384  
385 -(((
312 +
386 386  Add Datacake:
387 -)))
388 388  
389 389  [[image:image-20220523000825-7.png||height="262" width="583"]]
390 390  
... ... @@ -393,24 +393,21 @@
393 393  
394 394  [[image:image-20220523000825-8.png||height="453" width="406"]]
395 395  
322 +
396 396  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
397 397  
398 398  [[image:image-20220523000825-9.png||height="366" width="392"]]
399 399  
400 -[[image:image-20220523000825-10.png||height="413" width="728"]]
401 401  
402 -== 2.6 Datalog Feature ==
403 403  
404 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
329 +[[image:image-20220523000825-10.png||height="432" width="762"]]
405 405  
406 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
407 407  
408 -There are two methods:
332 +== Datalog Feature ==
409 409  
410 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
411 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
334 +This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
412 412  
413 -=== 2.6.2 Unix TimeStamp ===
336 +=== Unix TimeStamp ===
414 414  
415 415  LHT65N uses Unix TimeStamp format based on
416 416  
... ... @@ -417,215 +417,100 @@
417 417  [[image:image-20220523001219-11.png||height="97" width="627"]]
418 418  
419 419  
420 -(((
421 421  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
422 -)))
423 423  
424 -(((
425 425  Below is the converter example
426 -)))
427 427  
428 -[[image:image-20220523001219-12.png||height="298" width="720"]]
347 +[[image:image-20220523001219-12.png||height="353" width="853"]]
429 429  
430 430  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
431 431  
432 -=== 2.6.3 Set Device Time ===
433 433  
434 -(((
352 +=== Set Device Time ===
353 +
435 435  There are two ways to set device’s time:
436 -)))
437 437  
438 -(((
439 439  **~1. Through LoRaWAN MAC Command (Default settings)**
440 -)))
441 441  
442 -(((
443 443  User need to set SYNCMOD=1 to enable sync time via MAC command.
444 -)))
445 445  
446 -(((
447 447  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
448 -)))
449 449  
450 -(((
451 451  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
452 -)))
453 453  
454 -(((
455 -
456 -)))
457 457  
458 -(((
459 459  **2. Manually Set Time**
460 -)))
461 461  
462 -(((
463 463  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
464 -)))
465 465  
466 -=== 2.6.4 Poll sensor value ===
467 467  
370 +=== Poll sensor value ===
371 +
468 468  User can poll sensor value based on timestamps from the server. Below is the downlink command.
469 469  
470 -[[image:image-20220523152302-15.png]]
471 471  
472 -(((
375 +(% style="width:454px" %)
376 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
377 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
378 +
473 473  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
474 -)))
475 475  
476 -(((
477 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
478 -)))
479 479  
480 -(((
382 +For example, downlink command 31 5FC5F350 5FC6 0160 05
383 +
481 481  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
482 -)))
483 483  
484 -(((
485 485  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
486 -)))
487 487  
488 488  
489 -=== 2.6.5 Datalog Uplink payload ===
389 +=== Datalog Uplink payload ===
490 490  
491 491  The Datalog poll reply uplink will use below payload format.
492 492  
493 -(((
494 -**Retrieval data payload**
495 -)))
496 496  
497 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
498 -|(% style="width:93px" %)(((
499 -(((
500 -**Size(bytes)**
501 -)))
502 -)))|(% style="width:71px" %)(((
503 -(((
504 -**2**
505 -)))
506 -)))|(% style="width:102px" %)(((
507 -(((
508 -**2**
509 -)))
510 -)))|(% style="width:86px" %)(((
511 -(((
512 -**2**
513 -)))
514 -)))|(% style="width:86px" %)(((
515 -(((
516 -**1**
517 -)))
518 -)))|(% style="width:48px" %)(((
519 -(((
520 -**4**
521 -)))
522 -)))
523 -|(% style="width:93px" %)(((
524 -(((
525 -**Value**
526 -)))
527 -)))|(% style="width:71px" %)(((
528 -(((
529 -[[External sensor data>>||anchor="H2.4.6Extvalue"]]
530 -)))
531 -)))|(% style="width:102px" %)(((
532 -(((
533 -(((
534 -[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
535 -)))
536 -)))
394 +Retrieval data payload
537 537  
538 -(((
539 -(((
540 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
541 -)))
542 -)))
543 -)))|(% style="width:86px" %)(((
544 -(((
545 -(((
546 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
547 -)))
548 -)))
396 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
397 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
398 +[[Built-In>>path:#SHT20_Temperature]]
549 549  
550 -(((
551 -(((
552 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
553 -)))
554 -)))
555 -)))|(% style="width:86px" %)(((
556 -(((
557 -Poll message flag & Ext
558 -)))
559 -)))|(% style="width:48px" %)(((
560 -(((
561 -(((
562 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
563 -)))
564 -)))
400 +[[Temperature>>path:#SHT20_Temperature]]
401 +)))|(((
402 +[[Built-in>>path:#SHT20_Humidity]]
565 565  
566 -(((
567 -(((
404 +[[Humidity>>path:#SHT20_Humidity]]
405 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
406 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
407 +
568 568  
569 569  )))
570 -)))
571 -)))
572 572  
573 -**Poll message flag & Ext**
411 +Poll message flag & Ext
574 574  
575 -[[image:image-20220523152208-14.png]]
576 576  
577 -(((
578 -(((
579 -Poll Message Flag: 1: This message is a poll message reply.
580 -)))
581 -)))
414 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
415 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
416 +Ext:
582 582  
583 -* (((
584 -(((
585 -Poll Message Flag is set to 1.
418 +0b(1001)
586 586  )))
587 -)))
588 -* (((
589 -(((
590 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
591 -)))
592 -)))
593 593  
594 -(((
595 -(((
421 +Poll Message Flag: 1: This message is a poll message reply.
422 +
423 +* Poll Message Flag is set to 1.
424 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
425 +
596 596  For example, in US915 band, the max payload for different DR is:
597 -)))
598 -)))
599 599  
600 -(((
601 -(((
602 -a) DR0: max is 11 bytes so one entry of data
603 -)))
604 -)))
428 +a)      DR0: max is 11 bytes so one entry of data
605 605  
606 -(((
607 -(((
608 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
609 -)))
610 -)))
430 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
611 611  
612 -(((
613 -(((
614 -c) DR2: total payload includes 11 entries of data
615 -)))
616 -)))
432 +c)      DR2: total payload includes 11 entries of data
617 617  
618 -(((
619 -(((
620 -d) DR3: total payload includes 22 entries of data.
621 -)))
622 -)))
434 +d)      DR3: total payload includes 22 entries of data.
623 623  
624 -(((
625 -(((
626 626  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
627 -)))
628 -)))
629 629  
630 630  
631 631  **Example:**
... ... @@ -632,29 +632,37 @@
632 632  
633 633  If LHT65N has below data inside Flash:
634 634  
635 -[[image:image-20220523144455-1.png||height="335" width="735"]]
443 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
636 636  
637 -(((
638 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
639 -)))
445 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
640 640  
641 -(((
447 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
448 +
449 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
450 +
451 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
452 +
453 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
454 +
455 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
456 +
457 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
458 +
459 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
460 +
461 +
462 +If user sends below downlink command:
463 +
464 +3160065F9760066DA705
465 +
642 642   Where : Start time: 60065F97 = time 21/1/19 04:27:03
643 -)))
644 644  
645 -(((
646 646   Stop time 60066DA7= time 21/1/19 05:27:03
647 -)))
648 648  
649 -(((
650 -
651 -)))
652 652  
653 -(((
654 654  LHT65N will uplink this payload.
655 -)))
656 656  
657 -[[image:image-20220523001219-13.png||height="421" width="727"]]
473 +[[image:image-20220523001219-13.png]]
658 658  
659 659  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
660 660  
... ... @@ -673,66 +673,48 @@
673 673  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
674 674  
675 675  
676 -== 2.7 Alarm Mode ==
492 +== Alarm Mode ==
677 677  
678 678  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
679 679  
680 -(((
681 -(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
682 -)))
683 683  
684 -**AT Commands for Alarm mode:**
497 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
685 685  
686 -(% class="box infomessage" %)
687 -(((
499 +
500 +AT Commands for Alarm mode:
501 +
688 688  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
689 -(% class="box infomessage" %)**AT**(%%)**+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
690 690  
691 -(% class="box infomessage" %)**AT+ARTEMP:**(%%) Get or set the internal Temperature sensor alarm range
504 +**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
692 692  
693 -AT
694 -)))
695 695  
696 -(% class="wikigeneratedid" %)
697 -== ==
698 698  
699 -== 2.8 LED Indicator ==
508 +== LED Indicator ==
700 700  
701 -(((
702 702  The LHT65N has a triple color LED which for easy shows different stage.
703 -)))
704 704  
705 -(((
706 706  While pressing ACT button, the LED will work as per LED status with ACT button.
707 -)))
708 708  
709 -(((
710 710  In a normal working state:
711 -)))
712 712  
713 -* (((
714 -For each uplink, the BLUE LED or RED LED will blink once.
715 -)))
716 -* (((
717 -BLUE LED when an external sensor is connected
718 -)))
719 -* (((
720 -RED LED when an external sensor is not connected
721 -)))
722 -* (((
723 -For each success downlink, the PURPLE LED will blink once
724 -)))
516 +* For each uplink, the BLUE LED or RED LED will blink once.
517 +* BLUE LED when an external sensor is connected
518 +* RED LED when an external sensor is not connected
519 +* For each success downlink, the PURPLE LED will blink once
725 725  
726 726  ----
727 727  
728 -== 2.9 Installation ==
523 +== Installation ==
729 729  
730 730  [[image:image-20220516231650-1.png||height="436" width="428"]]
731 731  
732 -= 3. Sensors & Accessories =
733 733  
734 -== 3.1 E3 Temperature Probe ==
735 735  
529 +
530 += Sensors & Accessories =
531 +
532 +== E3 Temperature Probe ==
533 +
736 736  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
737 737  
738 738  
... ... @@ -745,116 +745,93 @@
745 745  * -55°C to 125°C
746 746  * Working voltage 2.35v ~~ 5v
747 747  
748 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
546 += Configure LHT65N via AT Command or LoRaWAN Downlink =
749 749  
750 -(((
751 751  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
752 -)))
753 753  
754 -* (((
755 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
756 -)))
757 -* (((
758 -LoRaWAN Downlink instruction for different platforms:
759 -)))
550 +* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
551 +* LoRaWAN Downlink instruction for different platforms:
760 760  
761 -(((
762 762  [[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
763 -)))
764 764  
765 -(((
555 +
766 766  There are two kinds of commands to configure LHT65N, they are:
767 -)))
768 768  
769 -(((
770 -(% style="color:#4f81bd" %)* **General Commands**.
771 -)))
558 +* **General Commands**.
772 772  
773 -(((
774 774  These commands are to configure:
775 -)))
776 776  
777 -* (((
778 -General system settings like: uplink interval.
779 -)))
780 -* (((
781 -LoRaWAN protocol & radio-related commands.
782 -)))
562 +* General system settings like: uplink interval.
563 +* LoRaWAN protocol & radio-related commands.
783 783  
784 -(((
785 785  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
786 -)))
787 787  
788 -(((
789 789  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
790 -)))
791 791  
792 -(((
793 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
794 -)))
795 795  
796 -(((
570 +
571 +* **Commands special design for LHT65N**
572 +
797 797  These commands are only valid for LHT65N, as below:
798 -)))
799 799  
800 -== 4.1 Set Transmit Interval Time ==
801 801  
576 +== Set Transmit Interval Time ==
577 +
802 802  Feature: Change LoRaWAN End Node Transmit Interval.
803 803  
804 804  **AT Command: AT+TDC**
805 805  
806 -[[image:image-20220523150701-2.png]]
582 +|**Command Example**|**Function**|**Response**
583 +|AT+TDC?|Show current transmit Interval|(((
584 +30000
807 807  
808 -(((
809 -**Downlink Command: 0x01**
586 +OK
587 +
588 +the interval is 30000ms = 30s
810 810  )))
590 +|AT+TDC=60000|Set Transmit Interval|(((
591 +OK
811 811  
812 -(((
813 -Format: Command Code (0x01) followed by 3 bytes time value.
593 +Set transmit interval to 60000ms = 60 seconds
814 814  )))
815 815  
816 -(((
596 +**Downlink Command: 0x01**
597 +
598 +Format: Command Code (0x01) followed by 3 bytes time value.
599 +
817 817  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
818 -)))
819 819  
820 -* (((
821 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
822 -)))
823 -* (((
824 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
825 -)))
602 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
603 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
826 826  
827 -== 4.2 Set External Sensor Mode ==
605 +== Set External Sensor Mode ==
828 828  
829 829  Feature: Change External Sensor Mode.
830 830  
831 831  **AT Command: AT+EXT**
832 832  
833 -[[image:image-20220523150759-3.png]]
611 +|**Command Example**|**Function**|**Response**
612 +|AT+EXT?|Get current external sensor mode|(((
613 +1
834 834  
835 -(((
836 -**Downlink Command: 0xA2**
615 +OK
616 +
617 +External Sensor mode =1
837 837  )))
619 +|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
620 +|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
838 838  
839 -(((
622 +**Downlink Command: 0xA2**
623 +
840 840  Total bytes: 2 ~~ 5 bytes
841 -)))
842 842  
843 -(((
844 -**Example:**
845 -)))
626 +Example:
846 846  
847 -* (((
848 -0xA201: Set external sensor type to E1
849 -)))
850 -* (((
851 -0xA209: Same as AT+EXT=9
852 -)))
853 -* (((
854 -0xA20702003c,Same as AT+SETCNT=60
855 -)))
628 +* 0xA201: Set external sensor type to E1
629 +* 0xA209: Same as AT+EXT=9
630 +* 0xA20702003c,Same as AT+SETCNT=60
856 856  
857 -== 4.3 Enable/Disable uplink Temperature probe ID ==
632 +== Enable/Disable uplink Temperature probe ID ==
858 858  
859 859  Feature: If PID is enabled, device will send the temperature probe ID on:
860 860  
... ... @@ -863,82 +863,101 @@
863 863  
864 864  PID is default set to disable (0)
865 865  
641 +
866 866  **AT Command:**
867 867  
868 -[[image:image-20220523150928-4.png]]
644 +|**Command Example**|**Function**|**Response**
645 +|AT+PID=1|Enable PID uplink|OK
869 869  
870 870  **Downlink Command:**
871 871  
872 -* 0xA800  **~-~->** AT+PID=0
873 -* 0xA801     **~-~->** AT+PID=1
649 +* 0xA800     à AT+PID=0
650 +* 0xA801     à AT+PID=1
874 874  
875 -== 4.4 Set Password ==
876 876  
653 +== Set Password ==
654 +
877 877  Feature: Set device password, max 9 digits
878 878  
879 879  **AT Command: AT+PWORD**
880 880  
881 -[[image:image-20220523151052-5.png]]
659 +|**Command Example**|**Function**|**Response**
660 +|AT+PWORD=?|Show password|(((
661 +123456
882 882  
883 -(((
884 -**Downlink Command:**
663 +
664 +OK
885 885  )))
666 +|AT+PWORD=999999|Set password|OK
886 886  
887 -(((
668 +**Downlink Command:**
669 +
888 888  No downlink command for this feature.
889 -)))
890 890  
891 -== 4.5 Quit AT Command ==
892 892  
673 +== Quit AT Command ==
674 +
893 893  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
894 894  
895 895  **AT Command: AT+DISAT**
896 896  
897 -[[image:image-20220523151132-6.png]]
679 +|**Command Example**|**Function**|**Response**
680 +|AT+DISAT|Quit AT Commands mode|OK
898 898  
899 899  **Downlink Command:**
900 900  
901 901  No downlink command for this feature.
902 902  
903 -== 4.6 Set to sleep mode ==
904 904  
687 +== Set to sleep mode ==
688 +
905 905  Feature: Set device to sleep mode
906 906  
907 907  **AT Command: AT+SLEEP**
908 908  
909 -[[image:image-20220523151218-7.png]]
693 +| | |
694 +|**Command Example**|**Function**|**Response**
695 +|AT+SLEEP|Set to sleep mode|(((
696 +Clear all stored sensor data…
910 910  
698 +OK
699 +)))
700 +
911 911  **Downlink Command:**
912 912  
913 913  * There is no downlink command to set to Sleep mode.
914 914  
915 -== 4.7 Set system time ==
916 916  
917 -Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
706 +== Set system time ==
918 918  
708 +Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
709 +
919 919  **AT Command:**
920 920  
921 -[[image:image-20220523151253-8.png]]
712 +|**Command Example**|**Function**
713 +|AT+TIMESTAMP=1611104352|(((
714 +OK
922 922  
716 +Set System time to 2021-01-20 00:59:12
717 +)))
718 +
923 923  **Downlink Command:**
924 924  
925 925  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
926 926  
927 -== 4.8 Set Time Sync Mode ==
928 928  
929 -(((
724 +== Set Time Sync Mode ==
725 +
930 930  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
931 -)))
932 932  
933 -(((
728 +
934 934  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
935 -)))
936 936  
937 -(((
731 +
938 938  **AT Command:**
939 -)))
940 940  
941 -[[image:image-20220523151336-9.png]]
734 +|**Command Example**|**Function**
735 +|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
942 942  
943 943  **Downlink Command:**
944 944  
... ... @@ -946,186 +946,197 @@
946 946  
947 947  0x28 00 ~/~/ Same As AT+SYNCMOD=0
948 948  
949 -== 4.9 Set Time Sync Interval ==
950 950  
744 +== Set Time Sync Interval ==
745 +
951 951  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
952 952  
953 953  **AT Command:**
954 954  
955 -[[image:image-20220523151411-10.png]]
750 +|**Command Example**|**Function**
751 +|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
956 956  
957 957  **Downlink Command:**
958 958  
959 959  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
960 960  
961 -== 4.10 Print data entries base on page. ==
962 962  
758 +== Print data entries base on page. ==
759 +
963 963  Feature: Print the sector data from start page to stop page (max is 416 pages).
964 964  
965 965  **AT Command: AT+PDTA**
966 966  
967 -[[image:image-20220523151450-11.png]]
764 +|**Command Example**|**Response**
765 +|(((
766 +AT+PDTA=1,3
968 968  
768 +
769 +
770 +Print page 1 to 3
771 +)))|(((
772 +8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
773 +
774 +8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
775 +
776 +8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
777 +
778 +8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
779 +
780 +8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
781 +
782 +8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
783 +
784 +8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
785 +
786 +8019570
787 +
788 +8019580
789 +
790 +8019590
791 +
792 +80195A0
793 +
794 +80195B0
795 +
796 +80195C0
797 +
798 +80195D0
799 +
800 +80195E0
801 +
802 +80195F0
803 +
804 +
805 +OK
806 +)))
807 +
969 969  **Downlink Command:**
970 970  
971 971  No downlink commands for feature
972 972  
973 -== 4.11 Print last few data entries. ==
974 974  
813 +
814 +== Print last few data entries. ==
815 +
975 975  Feature: Print the last few data entries
976 976  
977 977  **AT Command: AT+PLDTA**
978 978  
979 -[[image:image-20220523151524-12.png]]
820 +|**Command Example**|**Response**
821 +|(((
822 +AT+PLDTA=5
980 980  
981 -**Downlink Command:**
982 982  
983 -No downlink commands for feature
984 984  
985 -== 4.12 Clear Flash Record ==
826 +Print last 5 entries
827 +)))|(((
828 +Stop Tx and RTP events when read sensor data
986 986  
987 -Feature: Clear flash storage for data log feature.
830 +1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
988 988  
989 -**AT Command: AT+CLRDTA**
832 +2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
990 990  
991 -[[image:image-20220523151556-13.png]]
834 +3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
992 992  
993 -**Downlink Command: 0xA3**
836 +4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
994 994  
995 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
838 +5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
996 996  
997 -== 4.13 Auto Send None-ACK messages ==
840 +Start Tx and RTP events
998 998  
999 -Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
842 +OK
843 +)))
1000 1000  
845 +**Downlink Command:**
1001 1001  
1002 -**AT Command: AT+PNACKMD**
847 +No downlink commands for feature
1003 1003  
1004 -The default factory setting is 0
1005 1005  
1006 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1007 -|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1008 -|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
1009 1009  
1010 -**Downlink Command: 0x34**
851 +== Clear Flash Record ==
1011 1011  
1012 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
853 +Feature: Clear flash storage for data log feature.
1013 1013  
1014 -= 5. Battery & How to replace =
855 +**AT Command: AT+CLRDTA**
1015 1015  
1016 -== 5.1 Battery Type ==
857 +|**Command Example**|**Function**|**Response**
858 +|AT+CLRDTA|Clear date record|(((
859 +Clear all stored sensor data…
1017 1017  
861 +OK
862 +)))
863 +
864 +**Downlink Command: 0xA3**
865 +
866 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
867 +
868 +
869 +
870 += Battery & How to replace =
871 +
872 +== Battery Type ==
873 +
1018 1018  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1019 1019  
1020 -(((
1021 1021  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1022 1022  [[image:image-20220515075034-1.png||height="208" width="644"]]
1023 -)))
1024 1024  
1025 -(((
879 +
1026 1026  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1027 1027  
1028 -)))
1029 1029  
1030 -== 5.2 Replace Battery ==
883 +== Replace Battery ==
1031 1031  
1032 1032  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1033 1033  
1034 1034  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1035 1035  
1036 -== 5.3 Battery Life Analyze ==
1037 1037  
1038 -(((
890 +== Battery Life Analyze ==
891 +
1039 1039  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1040 1040  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1041 -)))
1042 1042  
1043 -= 6. Order Info =
1044 1044  
1045 -(((
1046 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1047 -)))
896 += Order Info =
1048 1048  
1049 -(((
1050 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1051 -)))
898 +Part Number: (% class="mark" %)**LHT65N-XX**
1052 1052  
1053 -* (((
1054 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1055 -)))
1056 -* (((
1057 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1058 -)))
1059 -* (((
1060 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1061 -)))
1062 -* (((
1063 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1064 -)))
1065 -* (((
1066 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1067 -)))
1068 -* (((
1069 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1070 -)))
1071 -* (((
1072 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1073 -)))
1074 -* (((
1075 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1076 -)))
900 +**XX**: The default frequency band
1077 1077  
1078 -(((
1079 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1080 -)))
902 +* **AS923**: LoRaWAN AS923 band
903 +* **AU915**: LoRaWAN AU915 band
904 +* **EU433**: LoRaWAN EU433 band
905 +* **EU868**: LoRaWAN EU868 band
906 +* **KR920**: LoRaWAN KR920 band
907 +* **US915**: LoRaWAN US915 band
908 +* **IN865**: LoRaWAN IN865 band
909 +* **CN470**: LoRaWAN CN470 band
1081 1081  
1082 -* (((
1083 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1084 -)))
911 +**YY**: Sensor Accessories
1085 1085  
1086 -= 7. Packing Info =
913 +* **E3**: External Temperature Probe
1087 1087  
1088 -(((
915 += Packing Info =
916 +
1089 1089  **Package Includes**:
1090 -)))
1091 1091  
1092 -* (((
1093 -LHT65N Temperature & Humidity Sensor x 1
1094 -)))
1095 -* (((
1096 -Program cable x 1
1097 -)))
1098 -* (((
1099 -Optional external sensor
1100 -)))
919 +* LHT65N Temperature & Humidity Sensor x 1
920 +* Program cable x 1
921 +* Optional external sensor
1101 1101  
1102 -(((
1103 1103  **Dimension and weight**:
1104 -)))
1105 1105  
1106 -* (((
1107 -Device Size:  13.5 x 7 x 3 cm
1108 -)))
1109 -* (((
1110 -Device Weight: 105g
1111 -)))
1112 -* (((
1113 -Package Size / pcs : 14.5 x 8 x 5 cm
1114 -)))
1115 -* (((
1116 -Weight / pcs : 170g
1117 -)))
925 +* Device Size:  13.5 x 7 x 3 cm
926 +* Device Weight: 105g
927 +* Package Size / pcs : 14.5 x 8 x 5 cm
928 +* Weight / pcs : 170g
1118 1118  
1119 -= 8. FCC Warning =
930 += FCC Warning =
1120 1120  
1121 -(((
1122 1122  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1123 -)))
1124 1124  
1125 -(((
1126 -(1) This device may not cause harmful interference；
1127 -)))
934 +(1) This device may not cause harmful interference, and
1128 1128  
1129 -(((
1130 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1131 -)))
936 +(2) this device must accept any interference received, including interference that may cause undesired operation
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