Summary

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Details

Page properties

Content

...	...	@@ -1,5 +1,5 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
	2	+[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3	3
4	4
5	5	**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
...	...	@@ -6,6 +6,7 @@
6	6
7	7
8	8
	9	+
9	9	**Table of Contents：**
10	10
11	11	{{toc/}}
...	...	@@ -12,22 +12,34 @@
12	12
13	13
14	14
15		-= 1.Introduction =
16	16
	17	+= 1. Introduction =
	18	+
17	17	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
18	18
19		-
	21	+(((
20	20	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	+)))
21	21
	25	+(((
22	22	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	+)))
23	23
	29	+(((
24	24	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
	31	+)))
25	25
	33	+(((
26	26	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
	35	+)))
27	27
	37	+(((
28	28	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	+)))
29	29
	41	+(((
30	30	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
	43	+)))
31	31
32	32	== 1.2 Features ==
33	33
...	...	@@ -45,36 +45,69 @@
45	45
46	46	== 1.3 Specification ==
47	47
	61	+(((
48	48	**Built-in Temperature Sensor:**
	63	+)))
49	49
50		-* Resolution: 0.01 °C
51		-* Accuracy Tolerance : Typ ±0.3 °C
52		-* Long Term Drift: < 0.02 °C/yr
53		-* Operating Range: -40 ~~ 85 °C
	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	+)))
54	54
	78	+(((
55	55	**Built-in Humidity Sensor:**
	80	+)))
56	56
57		-* Resolution: 0.04 %RH
58		-* Accuracy Tolerance : Typ ±3 %RH
59		-* Long Term Drift: < 0.02 °C/yr
60		-* Operating Range: 0 ~~ 96 %RH
	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	+)))
61	61
	95	+(((
62	62	**External Temperature Sensor:**
	97	+)))
63	63
64		-* Resolution: 0.0625 °C
65		-* ±0.5°C accuracy from -10°C to +85°C
66		-* ±2°C accuracy from -55°C to +125°C
67		-* Operating Range: -55 °C ~~ 125 °C
	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	+)))
68	68
69	69	= 2. Connect LHT65N to IoT Server =
70	70
71	71	== 2.1 How does LHT65N work? ==
72	72
	116	+(((
73	73	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	+)))
74	74
	120	+(((
75	75	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	+)))
76	76
77		-
78	78	== 2.2 How to Activate LHT65N? ==
79	79
80	80	The LHT65N has two working modes:
...	...	@@ -82,16 +82,20 @@
82	82	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
83	83	* **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.
84	84
	131	+(((
85	85	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
	133	+)))
86	86
87	87	[[image:image-20220515123819-1.png||height="379" width="317"]]
88	88
89		-(% border="1" %)
90		-|**Behavior on ACT**|**Function**|**Action**
91		-|**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.
92		-|**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.
93		-|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	137	+[[image:image-20220523153201-19.png||height="180" width="818"]]
94	94
	139	+(% border="1" style="background-color:#ffffcc; color:green; width:878px" %)
	140	+|=**Behavior on ACT**|=**Function**|=(% style="width: 561px;" %)**Action**
	141	+|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:561px" %)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.
	142	+|**Pressing ACT for more than 3s**|Active Device|(% style="width:561px" %)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.
	143	+|**Fast press ACT 5 times**|Deactivate Device|(% style="width:561px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	144	+
95	95	== 2.3 Example to join LoRaWAN network ==
96	96
97	97	(% class="wikigeneratedid" %)
...	...	@@ -117,10 +117,8 @@
117	117
118	118	[[image:image-20220522232916-3.png]]
119	119
120		-
121	121	[[image:image-20220522232932-4.png]]
122	122
123		-
124	124	[[image:image-20220522232954-5.png]]
125	125
126	126	Note: LHT65N use same payload as LHT65.
...	...	@@ -137,28 +137,51 @@
137	137
138	138	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.
139	139
140		-[[image:image-20220522233300-8.png]]
	188	+[[image:image-20220522233300-8.png||height="219" width="722"]]
141	141
142	142
143	143	== 2.4 Uplink Payload ==
144	144
145		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
	193	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
146	146
147		-After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
	195	+After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
148	148
	197	+(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
	198	+|(% style="width:97px" %)(((
	199	+**Size(bytes)**
	200	+)))|(% style="width:39px" %)(((
	201	+**2**
	202	+)))|(% style="width:100px" %)(((
	203	+**2**
	204	+)))|(% style="width:77px" %)(((
	205	+**2**
	206	+)))|(% style="width:47px" %)(((
	207	+**1**
	208	+)))|(% style="width:51px" %)(((
	209	+**4**
	210	+)))
	211	+|(% style="width:97px" %)(((
	212	+**Value**
	213	+)))|(% style="width:39px" %)(((
	214	+[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
	215	+)))|(% style="width:100px" %)(((
	216	+(((
	217	+[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
	218	+)))
	219	+)))|(% style="width:77px" %)(((
	220	+(((
	221	+[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
	222	+)))
149	149
150		-(% border="1" style="width:572px" %)
151		-|(% 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**
152		-|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
153		-[[Built-In>>path:#SHT20_Temperature]]
	224	+(((
	225	+[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
	226	+)))
	227	+)))|(% style="width:47px" %)(((
	228	+[[Ext>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.5Ext23]] #
	229	+)))|(% style="width:51px" %)(((
	230	+[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
	231	+)))
154	154
155		-[[Temperature>>path:#SHT20_Temperature]]
156		-)))|(% style="width:103px" %)(((
157		-[[Built-in>>path:#SHT20_Humidity]]
158		-
159		-[[Humidity>>path:#SHT20_Humidity]]
160		-)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
161		-
162	162	* The First 6 bytes: has fix meanings for every LHT65N.
163	163	* The 7th byte (EXT #): defines the external sensor model.
164	164	* 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.)
...	...	@@ -171,29 +171,16 @@
171	171
172	172	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
173	173
174		-[[image:image-20220522234118-10.png]]
	245	+[[image:image-20220522234118-10.png||height="353" width="729"]]
175	175
176		-
177	177	=== 2.4.2 BAT-Battery Info ===
178	178
179	179	These two bytes of BAT include the battery state and the actually voltage
180	180
181		-(% style="width:646px" %)
182		-|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
183		-|Value|(% style="width:272px" %)(((
184		-BAT Status
	251	+[[image:image-20220523152839-18.png]]
185	185
186		-00(b): Ultra Low ( BAT <= 2.50v)
	253	+[[image:image-20220522235639-1.png||height="139" width="727"]]
187	187
188		-01(b): Low  (2.50v <=BAT <= 2.55v)
189		-
190		-10(b): OK   (2.55v <= BAT <=2.65v)
191		-
192		-11(b): Good   (BAT >= 2.65v)
193		-)))|(% style="width:214px" %)Actually BAT voltage
194		-
195		-[[image:image-20220522235639-1.png]]
196		-
197	197	Check the battery voltage for LHT65N.
198	198
199	199	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
...	...	@@ -201,7 +201,7 @@
201	201
202	202	=== 2.4.3 Built-in Temperature ===
203	203
204		-[[image:image-20220522235639-2.png]]
	262	+[[image:image-20220522235639-2.png||height="138" width="722"]]
205	205
206	206	* Temperature:  0x0ABB/100=27.47℃
207	207
...	...	@@ -211,7 +211,7 @@
211	211
212	212	=== 2.4.4 Built-in Humidity ===
213	213
214		-[[image:image-20220522235639-4.png]]
	272	+[[image:image-20220522235639-4.png||height="138" width="722"]]
215	215
216	216	* Humidity:    0x025C/10=60.4%
217	217
...	...	@@ -219,10 +219,7 @@
219	219
220	220	Bytes for External Sensor:
221	221
222		-(% style="width:624px" %)
223		-|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
224		-|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
225		-|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
	280	+[[image:image-20220523152822-17.png]]
226	226
227	227	=== 2.4.6 Ext value ===
228	228
...	...	@@ -238,9 +238,13 @@
238	238
239	239	* External temperature= (0xF54F-65536)/100=-27.37℃
240	240
	296	+(((
241	241	The last 2 bytes of data are meaningless
	298	+)))
242	242
	300	+(((
243	243	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
	302	+)))
244	244
245	245
246	246	==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
...	...	@@ -247,30 +247,53 @@
247	247
248	248	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:
249	249
	309	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	310	+|(% style="width:96px" %)(((
	311	+**Size(bytes)**
	312	+)))|(% style="width:71px" %)(((
	313	+**2**
	314	+)))|(% style="width:99px" %)(((
	315	+**2**
	316	+)))|(% style="width:132px" %)(((
	317	+**2**
	318	+)))|(% style="width:54px" %)(((
	319	+**1**
	320	+)))|(% style="width:64px" %)(((
	321	+**4**
	322	+)))
	323	+|(% style="width:96px" %)(((
	324	+**Value**
	325	+)))|(% style="width:71px" %)(((
	326	+[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
	327	+)))|(% style="width:99px" %)(((
	328	+(((
	329	+[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
	330	+)))
250	250
251		-(% border="1" 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]]
	332	+(((
	333	+[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
	334	+)))
	335	+)))|(% style="width:132px" %)(((
	336	+(((
	337	+BAT Status &
	338	+)))
255	255
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]]
	340	+(((
	341	+[[Built-in Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
267	267	)))
	343	+)))|(% style="width:54px" %)(((
	344	+Status & Ext
	345	+)))|(% style="width:64px" %)(((
	346	+(((
	347	+[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
	348	+)))
	349	+)))
268	268
269		-* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
	351	+* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
270	270
271		-(% border="1" style="width:587px" %)
272		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
273		-|Value|(% style="width:280px" %)(((
	353	+(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
	354	+|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
	355	+|(% style="width:65px" %)Value|(% style="width:267px" %)(((
274	274	BAT Status
275	275
276	276	00(b): Ultra Low ( BAT <= 2.50v)
...	...	@@ -280,8 +280,8 @@
280	280	10(b): OK   (2.55v <= BAT <=2.65v)
281	281
282	282	11(b): Good   (BAT >= 2.65v)
283		-)))|(% style="width:136px" %)(((
284		-[[Built-in Humidity>>path:#SHT20_Humidity]]
	365	+)))|(% style="width:134px" %)(((
	366	+[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
285	285
286	286
287	287	)))
...	...	@@ -288,14 +288,8 @@
288	288
289	289	* **Status & Ext Byte**
290	290
291		-(% border="1" 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:
	373	+[[image:image-20220523152434-16.png]]
295	295
296		-0b(1001)
297		-)))
298		-
299	299	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
300	300	* 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.
301	301	* 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)
...	...	@@ -304,12 +304,17 @@
304	304
305	305	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:
306	306
	383	+(((
307	307	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
	385	+)))
308	308
	387	+(((
309	309	**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.
	389	+)))
310	310
311		-
	391	+(((
312	312	Add Datacake:
	393	+)))
313	313
314	314	[[image:image-20220523000825-7.png||height="262" width="583"]]
315	315
...	...	@@ -318,21 +318,24 @@
318	318
319	319	[[image:image-20220523000825-8.png||height="453" width="406"]]
320	320
321		-
322	322	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
323	323
324	324	[[image:image-20220523000825-9.png||height="366" width="392"]]
325	325
	406	+[[image:image-20220523000825-10.png||height="413" width="728"]]
326	326
	408	+== 2.6 Datalog Feature ==
327	327
328		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	410	+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	329
	412	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
330	330
331		-== 2.6 Datalog Feature ==
	414	+There are two methods:
332	332
333		-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.
	416	+1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
	417	+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	334
335		-=== 2.6.1 Unix TimeStamp ===
	419	+=== 2.6.2 Unix TimeStamp ===
336	336
337	337	LHT65N uses Unix TimeStamp format based on
338	338
...	...	@@ -339,102 +339,215 @@
339	339	[[image:image-20220523001219-11.png||height="97" width="627"]]
340	340
341	341
	426	+(((
342	342	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	428	+)))
343	343
	430	+(((
344	344	Below is the converter example
	432	+)))
345	345
346		-[[image:image-20220523001219-12.png||height="302" width="730"]]
	434	+[[image:image-20220523001219-12.png||height="298" width="720"]]
347	347
348	348	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
349	349
	438	+=== 2.6.3 Set Device Time ===
350	350
351		-=== 2.6.2 Set Device Time ===
352		-
	440	+(((
353	353	There are two ways to set device’s time:
	442	+)))
354	354
	444	+(((
355	355	**~1. Through LoRaWAN MAC Command (Default settings)**
	446	+)))
356	356
	448	+(((
357	357	User need to set SYNCMOD=1 to enable sync time via MAC command.
	450	+)))
358	358
	452	+(((
359	359	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).
	454	+)))
360	360
	456	+(((
361	361	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.
	458	+)))
362	362
	460	+(((
	461	+
	462	+)))
363	363
	464	+(((
364	364	**2. Manually Set Time**
	466	+)))
365	365
	468	+(((
366	366	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
	470	+)))
367	367
	472	+=== 2.6.4 Poll sensor value ===
368	368
369		-=== 2.6.3 Poll sensor value ===
370		-
371	371	User can poll sensor value based on timestamps from the server. Below is the downlink command.
372	372
	476	+[[image:image-20220523152302-15.png]]
373	373
374		-(% border="1" style="width:454px" %)
375		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
377		-
	478	+(((
378	378	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.
	480	+)))
379	379
	482	+(((
	483	+For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
	484	+)))
380	380
381		-For example, downlink command 31 5FC5F350 5FC6 0160 05
382		-
	486	+(((
383	383	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	488	+)))
384	384
	490	+(((
385	385	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	492	+)))
386	386
387	387
388		-=== 2.6.4 Datalog Uplink payload ===
	495	+=== 2.6.5 Datalog Uplink payload ===
389	389
390	390	The Datalog poll reply uplink will use below payload format.
391	391
	499	+(((
	500	+**Retrieval data payload**
	501	+)))
392	392
393		-Retrieval data payload
	503	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	504	+|(% style="width:93px" %)(((
	505	+(((
	506	+**Size(bytes)**
	507	+)))
	508	+)))|(% style="width:71px" %)(((
	509	+(((
	510	+**2**
	511	+)))
	512	+)))|(% style="width:102px" %)(((
	513	+(((
	514	+**2**
	515	+)))
	516	+)))|(% style="width:86px" %)(((
	517	+(((
	518	+**2**
	519	+)))
	520	+)))|(% style="width:86px" %)(((
	521	+(((
	522	+**1**
	523	+)))
	524	+)))|(% style="width:48px" %)(((
	525	+(((
	526	+**4**
	527	+)))
	528	+)))
	529	+|(% style="width:93px" %)(((
	530	+(((
	531	+**Value**
	532	+)))
	533	+)))|(% style="width:71px" %)(((
	534	+(((
	535	+[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
	536	+)))
	537	+)))|(% style="width:102px" %)(((
	538	+(((
	539	+(((
	540	+[[Built In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
	541	+)))
	542	+)))
394	394
395		-(% border="1" %)
396		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
397		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
398		-[[Built-In>>path:#SHT20_Temperature]]
	544	+(((
	545	+(((
	546	+[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
	547	+)))
	548	+)))
	549	+)))|(% style="width:86px" %)(((
	550	+(((
	551	+(((
	552	+[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
	553	+)))
	554	+)))
399	399
400		-[[Temperature>>path:#SHT20_Temperature]]
401		-)))|(((
402		-[[Built-in>>path:#SHT20_Humidity]]
	556	+(((
	557	+(((
	558	+[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
	559	+)))
	560	+)))
	561	+)))|(% style="width:86px" %)(((
	562	+(((
	563	+[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
	564	+)))
	565	+)))|(% style="width:48px" %)(((
	566	+(((
	567	+(((
	568	+[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
	569	+)))
	570	+)))
403	403
404		-[[Humidity>>path:#SHT20_Humidity]]
405		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
406		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
407		-
	572	+(((
	573	+(((
408	408
409	409	)))
	576	+)))
	577	+)))
410	410
411		-Poll message flag & Ext
	579	+**Poll message flag & Ext**
412	412
	581	+[[image:image-20220523152208-14.png]]
413	413
414		-(% border="1" %)
415		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
416		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
417		-Ext:
	583	+(((
	584	+(((
	585	+Poll Message Flag: 1: This message is a poll message reply.
	586	+)))
	587	+)))
418	418
419		-0b(1001)
	589	+* (((
	590	+(((
	591	+Poll Message Flag is set to 1.
420	420	)))
	593	+)))
	594	+* (((
	595	+(((
	596	+Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	597	+)))
	598	+)))
421	421
422		-Poll Message Flag: 1: This message is a poll message reply.
423		-
424		-* Poll Message Flag is set to 1.
425		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
426		-
	600	+(((
	601	+(((
427	427	For example, in US915 band, the max payload for different DR is:
	603	+)))
	604	+)))
428	428
429		-a)      DR0: max is 11 bytes so one entry of data
	606	+(((
	607	+(((
	608	+a) DR0: max is 11 bytes so one entry of data
	609	+)))
	610	+)))
430	430
431		-b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	612	+(((
	613	+(((
	614	+b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	615	+)))
	616	+)))
432	432
433		-c)      DR2: total payload includes 11 entries of data
	618	+(((
	619	+(((
	620	+c) DR2: total payload includes 11 entries of data
	621	+)))
	622	+)))
434	434
435		-d)      DR3: total payload includes 22 entries of data.
	624	+(((
	625	+(((
	626	+d) DR3: total payload includes 22 entries of data.
	627	+)))
	628	+)))
436	436
	630	+(((
	631	+(((
437	437	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	633	+)))
	634	+)))
438	438
439	439
440	440	**Example:**
...	...	@@ -441,35 +441,27 @@
441	441
442	442	If LHT65N has below data inside Flash:
443	443
444		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	641	+[[image:image-20220523144455-1.png||height="335" width="735"]]
445	445
446		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
	643	+(((
	644	+If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
	645	+)))
447	447
448		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
449		-
450		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
451		-
452		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
453		-
454		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
455		-
456		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
457		-
458		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
459		-
460		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
461		-
462		-
463		-If user sends below downlink command:
464		-
465		-3160065F9760066DA705
466		-
	647	+(((
467	467	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	649	+)))
468	468
	651	+(((
469	469	Stop time 60066DA7= time 21/1/19 05:27:03
	653	+)))
470	470
	655	+(((
	656	+
	657	+)))
471	471
	659	+(((
472	472	LHT65N will uplink this payload.
	661	+)))
473	473
474	474	[[image:image-20220523001219-13.png||height="421" width="727"]]
475	475
...	...	@@ -489,35 +489,58 @@
489	489
490	490	Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
491	491
492		-
493	493	== 2.7 Alarm Mode ==
494	494
495	495	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.
496	496
	685	+(((
	686	+(% 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.
	687	+)))
497	497
498		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	689	+(((
	690	+**AT Commands for Alarm mode:**
	691	+)))
499	499
500		-
501		-AT Commands for Alarm mode:
502		-
	693	+(% class="box infomessage" %)
	694	+(((
	695	+(((
503	503	**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
	697	+)))
	698	+)))
504	504
	700	+(% class="box infomessage" %)
	701	+(((
	702	+(((
505	505	**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
	704	+)))
	705	+)))
506	506
507		-
508		-
509	509	== 2.8 LED Indicator ==
510	510
	709	+(((
511	511	The LHT65N has a triple color LED which for easy shows different stage.
	711	+)))
512	512
	713	+(((
513	513	While pressing ACT button, the LED will work as per LED status with ACT button.
	715	+)))
514	514
	717	+(((
515	515	In a normal working state:
	719	+)))
516	516
517		-* For each uplink, the BLUE LED or RED LED will blink once.
518		-* BLUE LED when an external sensor is connected
519		-* RED LED when an external sensor is not connected
520		-* For each success downlink, the PURPLE LED will blink once
	721	+* (((
	722	+For each uplink, the BLUE LED or RED LED will blink once.
	723	+)))
	724	+* (((
	725	+BLUE LED when an external sensor is connected
	726	+)))
	727	+* (((
	728	+RED LED when an external sensor is not connected
	729	+)))
	730	+* (((
	731	+For each success downlink, the PURPLE LED will blink once
	732	+)))
521	521
522	522	----
523	523
...	...	@@ -543,29 +543,55 @@
543	543
544	544	= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545	545
	758	+(((
546	546	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	760	+)))
547	547
548		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
549		-* LoRaWAN Downlink instruction for different platforms:
	762	+* (((
	763	+AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	764	+)))
	765	+* (((
	766	+LoRaWAN Downlink instruction for different platforms:
	767	+)))
550	550
	769	+(((
551	551	[[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]]
	771	+)))
552	552
	773	+(((
553	553	There are two kinds of commands to configure LHT65N, they are:
	775	+)))
554	554
555		-* **General Commands**.
	777	+(((
	778	+(% style="color:#4f81bd" %)* **General Commands**.
	779	+)))
556	556
	781	+(((
557	557	These commands are to configure:
	783	+)))
558	558
559		-* General system settings like: uplink interval.
560		-* LoRaWAN protocol & radio-related commands.
	785	+* (((
	786	+General system settings like: uplink interval.
	787	+)))
	788	+* (((
	789	+LoRaWAN protocol & radio-related commands.
	790	+)))
561	561
	792	+(((
562	562	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	794	+)))
563	563
	796	+(((
564	564	[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
	798	+)))
565	565
566		-* **Commands special design for LHT65N**
	800	+(((
	801	+(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
	802	+)))
567	567
	804	+(((
568	568	These commands are only valid for LHT65N, as below:
	806	+)))
569	569
570	570	== 4.1 Set Transmit Interval Time ==
571	571
...	...	@@ -573,29 +573,26 @@
573	573
574	574	**AT Command: AT+TDC**
575	575
576		-(% border="1" %)
577		-|**Command Example**|**Function**|**Response**
578		-|AT+TDC?|Show current transmit Interval|(((
579		-30000
	814	+[[image:image-20220523150701-2.png]]
580	580
581		-OK
582		-
583		-the interval is 30000ms = 30s
	816	+(((
	817	+**Downlink Command: 0x01**
584	584	)))
585		-|AT+TDC=60000|Set Transmit Interval|(((
586		-OK
587	587
588		-Set transmit interval to 60000ms = 60 seconds
	820	+(((
	821	+Format: Command Code (0x01) followed by 3 bytes time value.
589	589	)))
590	590
591		-**Downlink Command: 0x01**
592		-
593		-Format: Command Code (0x01) followed by 3 bytes time value.
594		-
	824	+(((
595	595	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	826	+)))
596	596
597		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
598		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	828	+* (((
	829	+**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	830	+)))
	831	+* (((
	832	+**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	833	+)))
599	599
600	600	== 4.2 Set External Sensor Mode ==
601	601
...	...	@@ -603,27 +603,29 @@
603	603
604	604	**AT Command: AT+EXT**
605	605
606		-(% border="1" %)
607		-|**Command Example**|**Function**|**Response**
608		-|AT+EXT?|Get current external sensor mode|(((
609		-1
	841	+[[image:image-20220523150759-3.png]]
610	610
611		-OK
612		-
613		-External Sensor mode =1
	843	+(((
	844	+**Downlink Command: 0xA2**
614	614	)))
615		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
616		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
617	617
618		-**Downlink Command: 0xA2**
619		-
	847	+(((
620	620	Total bytes: 2 ~~ 5 bytes
	849	+)))
621	621
622		-Example:
	851	+(((
	852	+**Example:**
	853	+)))
623	623
624		-* 0xA201: Set external sensor type to E1
625		-* 0xA209: Same as AT+EXT=9
626		-* 0xA20702003c,Same as AT+SETCNT=60
	855	+* (((
	856	+0xA201: Set external sensor type to E1
	857	+)))
	858	+* (((
	859	+0xA209: Same as AT+EXT=9
	860	+)))
	861	+* (((
	862	+0xA20702003c,Same as AT+SETCNT=60
	863	+)))
627	627
628	628	== 4.3 Enable/Disable uplink Temperature probe ID ==
629	629
...	...	@@ -634,17 +634,14 @@
634	634
635	635	PID is default set to disable (0)
636	636
637		-
638	638	**AT Command:**
639	639
640		-(% border="1" %)
641		-|**Command Example**|**Function**|**Response**
642		-|AT+PID=1|Enable PID uplink|OK
	876	+[[image:image-20220523150928-4.png]]
643	643
644	644	**Downlink Command:**
645	645
646		-* 0xA800     à AT+PID=0
647		-* 0xA801     à AT+PID=1
	880	+* 0xA800  **~-~->** AT+PID=0
	881	+* 0xA801     **~-~->** AT+PID=1
648	648
649	649	== 4.4 Set Password ==
650	650
...	...	@@ -652,19 +652,15 @@
652	652
653	653	**AT Command: AT+PWORD**
654	654
655		-(% border="1" %)
656		-|**Command Example**|**Function**|**Response**
657		-|AT+PWORD=?|Show password|(((
658		-123456
	889	+[[image:image-20220523151052-5.png]]
659	659
660		-
661		-OK
	891	+(((
	892	+**Downlink Command:**
662	662	)))
663		-|AT+PWORD=999999|Set password|OK
664	664
665		-**Downlink Command:**
666		-
	895	+(((
667	667	No downlink command for this feature.
	897	+)))
668	668
669	669	== 4.5 Quit AT Command ==
670	670
...	...	@@ -672,15 +672,12 @@
672	672
673	673	**AT Command: AT+DISAT**
674	674
675		-(% border="1" %)
676		-|**Command Example**|**Function**|**Response**
677		-|AT+DISAT|Quit AT Commands mode|OK
	905	+[[image:image-20220523151132-6.png]]
678	678
679	679	**Downlink Command:**
680	680
681	681	No downlink command for this feature.
682	682
683		-
684	684	== 4.6 Set to sleep mode ==
685	685
686	686	Feature: Set device to sleep mode
...	...	@@ -687,15 +687,8 @@
687	687
688	688	**AT Command: AT+SLEEP**
689	689
690		-(% border="1" %)
691		-| | |
692		-|**Command Example**|**Function**|**Response**
693		-|AT+SLEEP|Set to sleep mode|(((
694		-Clear all stored sensor data…
	917	+[[image:image-20220523151218-7.png]]
695	695
696		-OK
697		-)))
698		-
699	699	**Downlink Command:**
700	700
701	701	* There is no downlink command to set to Sleep mode.
...	...	@@ -706,14 +706,8 @@
706	706
707	707	**AT Command:**
708	708
709		-(% border="1" %)
710		-|**Command Example**|**Function**
711		-|AT+TIMESTAMP=1611104352|(((
712		-OK
	929	+[[image:image-20220523151253-8.png]]
713	713
714		-Set System time to 2021-01-20 00:59:12
715		-)))
716		-
717	717	**Downlink Command:**
718	718
719	719	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
...	...	@@ -720,15 +720,19 @@
720	720
721	721	== 4.8 Set Time Sync Mode ==
722	722
	937	+(((
723	723	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	939	+)))
724	724
	941	+(((
725	725	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.
	943	+)))
726	726
727		-
	945	+(((
728	728	**AT Command:**
	947	+)))
729	729
730		-|**Command Example**|**Function**
731		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	949	+[[image:image-20220523151336-9.png]]
732	732
733	733	**Downlink Command:**
734	734
...	...	@@ -742,9 +742,7 @@
742	742
743	743	**AT Command:**
744	744
745		-(% border="1" %)
746		-|**Command Example**|**Function**
747		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	963	+[[image:image-20220523151411-10.png]]
748	748
749	749	**Downlink Command:**
750	750
...	...	@@ -756,51 +756,8 @@
756	756
757	757	**AT Command: AT+PDTA**
758	758
759		-(% border="1" %)
760		-|**Command Example**|**Response**
761		-|(((
762		-AT+PDTA=1,3
	975	+[[image:image-20220523151450-11.png]]
763	763
764		-
765		-
766		-Print page 1 to 3
767		-)))|(((
768		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
769		-
770		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
771		-
772		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
773		-
774		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
775		-
776		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
777		-
778		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
779		-
780		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
781		-
782		-8019570
783		-
784		-8019580
785		-
786		-8019590
787		-
788		-80195A0
789		-
790		-80195B0
791		-
792		-80195C0
793		-
794		-80195D0
795		-
796		-80195E0
797		-
798		-80195F0
799		-
800		-
801		-OK
802		-)))
803		-
804	804	**Downlink Command:**
805	805
806	806	No downlink commands for feature
...	...	@@ -811,54 +811,40 @@
811	811
812	812	**AT Command: AT+PLDTA**
813	813
814		-(% border="1" %)
815		-|**Command Example**|**Response**
816		-|(((
817		-AT+PLDTA=5
	987	+[[image:image-20220523151524-12.png]]
818	818
	989	+**Downlink Command:**
819	819
	991	+No downlink commands for feature
820	820
821		-Print last 5 entries
822		-)))|(((
823		-Stop Tx and RTP events when read sensor data
	993	+== 4.12 Clear Flash Record ==
824	824
825		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	995	+Feature: Clear flash storage for data log feature.
826	826
827		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	997	+**AT Command: AT+CLRDTA**
828	828
829		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	999	+[[image:image-20220523151556-13.png]]
830	830
831		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	1001	+**Downlink Command: 0xA3**
832	832
833		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	1003	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
834	834
835		-Start Tx and RTP events
	1005	+== 4.13 Auto Send None-ACK messages ==
836	836
837		-OK
838		-)))
	1007	+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.
839	839
840		-**Downlink Command:**
841	841
842		-No downlink commands for feature
	1010	+**AT Command: AT+PNACKMD**
843	843
844		-== 4.12 Clear Flash Record ==
	1012	+The default factory setting is 0
845	845
846		-Feature: Clear flash storage for data log feature.
847		-
848		-**AT Command: AT+CLRDTA**
849		-
850		-(% border="1" %)
851	851	|**Command Example**|**Function**|**Response**
852		-|AT+CLRDTA|Clear date record|(((
853		-Clear all stored sensor data…
	1015	+|AT+PNACKMD=1|Poll None-ACK message|OK
854	854
855		-OK
856		-)))
	1017	+**Downlink Command: 0x34**
857	857
858		-**Downlink Command: 0xA3**
	1019	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
859	859
860		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
861		-
862	862	= 5. Battery & How to replace =
863	863
864	864	== 5.1 Battery Type ==
...	...	@@ -865,11 +865,15 @@
865	865
866	866	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.
867	867
	1027	+(((
868	868	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
869	869	[[image:image-20220515075034-1.png||height="208" width="644"]]
	1030	+)))
870	870
	1032	+(((
871	871	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
872	872
	1035	+)))
873	873
874	874	== 5.2 Replace Battery ==
875	875
...	...	@@ -879,47 +879,97 @@
879	879
880	880	== 5.3 Battery Life Analyze ==
881	881
	1045	+(((
882	882	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:
883	883	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1048	+)))
884	884
885	885	= 6. Order Info =
886	886
887		-Part Number: (% class="mark" %)**LHT65N-XX**
	1052	+(((
	1053	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1054	+)))
888	888
889		-**XX**: The default frequency band
	1056	+(((
	1057	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1058	+)))
890	890
891		-* **AS923**: LoRaWAN AS923 band
892		-* **AU915**: LoRaWAN AU915 band
893		-* **EU433**: LoRaWAN EU433 band
894		-* **EU868**: LoRaWAN EU868 band
895		-* **KR920**: LoRaWAN KR920 band
896		-* **US915**: LoRaWAN US915 band
897		-* **IN865**: LoRaWAN IN865 band
898		-* **CN470**: LoRaWAN CN470 band
	1060	+* (((
	1061	+(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
	1062	+)))
	1063	+* (((
	1064	+(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
	1065	+)))
	1066	+* (((
	1067	+(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
	1068	+)))
	1069	+* (((
	1070	+(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
	1071	+)))
	1072	+* (((
	1073	+(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
	1074	+)))
	1075	+* (((
	1076	+(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
	1077	+)))
	1078	+* (((
	1079	+(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
	1080	+)))
	1081	+* (((
	1082	+(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
	1083	+)))
899	899
900		-**YY**: Sensor Accessories
	1085	+(((
	1086	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1087	+)))
901	901
902		-* **E3**: External Temperature Probe
	1089	+* (((
	1090	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1091	+)))
903	903
904	904	= 7. Packing Info =
905	905
	1095	+(((
906	906	**Package Includes**:
	1097	+)))
907	907
908		-* LHT65N Temperature & Humidity Sensor x 1
909		-* Program cable x 1
910		-* Optional external sensor
	1099	+* (((
	1100	+LHT65N Temperature & Humidity Sensor x 1
	1101	+)))
	1102	+* (((
	1103	+Program cable x 1
	1104	+)))
	1105	+* (((
	1106	+Optional external sensor
	1107	+)))
911	911
	1109	+(((
912	912	**Dimension and weight**:
	1111	+)))
913	913
914		-* Device Size:  13.5 x 7 x 3 cm
915		-* Device Weight: 105g
916		-* Package Size / pcs : 14.5 x 8 x 5 cm
917		-* Weight / pcs : 170g
	1113	+* (((
	1114	+Device Size:  13.5 x 7 x 3 cm
	1115	+)))
	1116	+* (((
	1117	+Device Weight: 105g
	1118	+)))
	1119	+* (((
	1120	+Package Size / pcs : 14.5 x 8 x 5 cm
	1121	+)))
	1122	+* (((
	1123	+Weight / pcs : 170g
	1124	+)))
918	918
919	919	= 8. FCC Warning =
920	920
	1128	+(((
921	921	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1130	+)))
922	922
	1132	+(((
923	923	(1) This device may not cause harmful interference；
	1134	+)))
924	924
	1136	+(((
925	925	(2) this device must accept any interference received, including interference that may cause undesired operation.
	1138	+)))

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