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Last modified by Xiaoling on 2023/07/18 10:12
From version 217.2
edited by Xiaoling
on 2022/11/12 17:20
Change comment: There is no comment for this version
To version 216.1
edited by Bei Jinggeng
on 2022/11/11 09:19
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -61,9 +61,6 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 -
66 -
67 67  == 1.3 Specification ==
68 68  
69 69  
... ... @@ -88,9 +88,6 @@
88 88  * ±2°C accuracy from -55°C to +125°C
89 89  * Operating Range: -55 °C ~~ 125 °C
90 90  
91 -
92 -
93 -
94 94  = 2. Connect LHT65N to IoT Server =
95 95  
96 96  
... ... @@ -249,7 +249,6 @@
249 249  * The 7th byte (EXT #): defines the external sensor model.
250 250  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
251 251  
252 -
253 253  === 2.4.1 Decoder in TTN V3 ===
254 254  
255 255  
... ... @@ -278,9 +278,6 @@
278 278  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
279 279  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
280 280  
281 -
282 -
283 -
284 284  === 2.4.3 Built-in Temperature ===
285 285  
286 286  
... ... @@ -292,9 +292,6 @@
292 292  
293 293  * Temperature:  (0xF5C6-65536)/100=-26.18℃
294 294  
295 -
296 -
297 -
298 298  === 2.4.4 Built-in Humidity ===
299 299  
300 300  
... ... @@ -302,9 +302,6 @@
302 302  
303 303  * Humidity:    0x025C/10=60.4%
304 304  
305 -
306 -
307 -
308 308  === 2.4.5 Ext # ===
309 309  
310 310  
... ... @@ -403,9 +403,6 @@
403 403  * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
404 404  * (% style="color:blue" %)**Unix Time Request**:(%%)  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
405 405  
406 -
407 -
408 -
409 409  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
410 410  
411 411  
... ... @@ -694,8 +694,10 @@
694 694  (% style="color:red" %)**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.**
695 695  )))
696 696  
678 +(((
679 +
680 +)))
697 697  
698 -
699 699  (((
700 700  **2. Manually Set Time**
701 701  )))
... ... @@ -895,7 +895,7 @@
895 895  
896 896  ==== **Sampling multiple times and uplink together** ====
897 897  
898 -**AT+WMOD=3,1,60,20,-16,32,1**  ~/~/ Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -16 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
881 +**AT+WMOD=3,1,60,20,-16,32,1**  ~/~/ Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -10 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
899 899  
900 900  (% style="color:#4f81bd" %)**Downlink Command:**
901 901  
... ... @@ -935,12 +935,16 @@
935 935  
936 936  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
937 937  
921 +
922 +
938 938  )))
939 939  
940 -
925 +(((
941 941  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
942 942  
943 943  
929 +)))
930 +
944 944  (% _mstvisible="1" class="box infomessage" %)
945 945  (((
946 946  (((
... ... @@ -994,9 +994,6 @@
994 994  * RED LED when external sensor is not connected
995 995  * For each success downlink, the PURPLE LED will blink once
996 996  
997 -
998 -
999 -
1000 1000  == 2.9 installation ==
1001 1001  
1002 1002  
... ... @@ -1054,9 +1054,6 @@
1054 1054  * Operating Range: -40 ~~ 125 °C
1055 1055  * Working voltage 2.35v ~~ 5v
1056 1056  
1057 -
1058 -
1059 -
1060 1060  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1061 1061  
1062 1062  
... ... @@ -1126,9 +1126,6 @@
1126 1126  
1127 1127  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1128 1128  
1129 -
1130 -
1131 -
1132 1132  == 4.2 Set External Sensor Mode ==
1133 1133  
1134 1134  
... ... @@ -1152,9 +1152,6 @@
1152 1152  
1153 1153  * 0xA20702003c: Same as AT+SETCNT=60
1154 1154  
1155 -
1156 -
1157 -
1158 1158  == 4.3 Enable/Disable uplink Temperature probe ID ==
1159 1159  
1160 1160  
... ... @@ -1185,9 +1185,6 @@
1185 1185  * **0xA800**  **~-~->** AT+PID=0
1186 1186  * **0xA801**     **~-~->** AT+PID=1
1187 1187  
1188 -
1189 -
1190 -
1191 1191  == 4.4 Set Password ==
1192 1192  
1193 1193  
... ... @@ -1239,9 +1239,6 @@
1239 1239  
1240 1240  * There is no downlink command to set to Sleep mode.
1241 1241  
1242 -
1243 -
1244 -
1245 1245  == 4.7 Set system time ==
1246 1246  
1247 1247  
... ... @@ -1350,9 +1350,6 @@
1350 1350  
1351 1351  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1352 1352  
1353 -
1354 -
1355 -
1356 1356  == 4.13 Auto Send None-ACK messages ==
1357 1357  
1358 1358  
... ... @@ -1371,9 +1371,6 @@
1371 1371  
1372 1372  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1373 1373  
1374 -
1375 -
1376 -
1377 1377  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1378 1378  
1379 1379  
... ... @@ -1419,8 +1419,6 @@
1419 1419  
1420 1420  0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1421 1421  
1422 -0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation，-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1423 -
1424 1424  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1425 1425  
1426 1426  0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
... ... @@ -1433,17 +1433,22 @@
1433 1433  == 5.1 Battery Type ==
1434 1434  
1435 1435  
1436 -
1437 1437  (((
1398 +(((
1438 1438  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.
1439 1439  )))
1401 +)))
1440 1440  
1403 +(((
1404 +
1405 +)))
1441 1441  
1442 -
1443 1443  (((
1408 +(((
1444 1444  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1445 1445  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1446 1446  )))
1412 +)))
1447 1447  
1448 1448  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1449 1449  
... ... @@ -1466,6 +1466,9 @@
1466 1466  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1467 1467  )))
1468 1468  
1435 +(((
1436 +
1437 +)))
1469 1469  
1470 1470  (((
1471 1471  A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
... ... @@ -1888,9 +1888,6 @@
1888 1888  
1889 1889  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1890 1890  
1891 -
1892 -
1893 -
1894 1894  = 8. Packing Info =
1895 1895  
1896 1896  
... ... @@ -1904,17 +1904,11 @@
1904 1904  * Device Size:  10 x 10 x 3.5 cm
1905 1905  * Device Weight: 120.5g
1906 1906  
1907 -
1908 -
1909 -
1910 1910  = 9. Reference material =
1911 1911  
1912 1912  
1913 1913  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1914 1914  
1915 -
1916 -
1917 -
1918 1918  = 10. FCC Warning =
1919 1919  
1920 1920