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Last modified by Xiaoling on 2023/07/18 10:12
From version 252.1
edited by Bei Jinggeng
on 2023/06/19 09:48
Change comment: There is no comment for this version
To version 238.6
edited by Xiaoling
on 2023/04/26 18:05
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -58,6 +58,7 @@
58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
61 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -83,6 +83,7 @@
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
85 85  
87 +
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
88 88  == 2.1 How does LHT65N work? ==
... ... @@ -130,6 +130,7 @@
130 130  |(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means LHT65N is in Deep Sleep Mode.
131 131  
132 132  
135 +
133 133  == 2.3 Example to join LoRaWAN network ==
134 134  
135 135  
... ... @@ -157,7 +157,7 @@
157 157  Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
158 158  )))
159 159  
160 -[[image:image-20230426083319-1.png||height="258" width="556"]]
163 +[[image:image-20230426083319-1.png]]
161 161  
162 162  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
163 163  
... ... @@ -246,6 +246,7 @@
246 246  * 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.)
247 247  
248 248  
252 +
249 249  === 2.4.1 Decoder in TTN V3 ===
250 250  
251 251  
... ... @@ -289,6 +289,7 @@
289 289  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
290 290  
291 291  
296 +
292 292  === 2.4.3 Built-in Temperature ===
293 293  
294 294  
... ... @@ -298,17 +298,19 @@
298 298  
299 299  [[image:image-20220522235639-3.png||_mstalt="432120"]]
300 300  
301 -* Temperature:  (0xF5C6-65536)/100=-26.18℃(% style="display:none" %)
306 +* Temperature:  (0xF5C6-65536)/100=-26.18℃
302 302  
303 303  
309 +
304 304  === 2.4.4 Built-in Humidity ===
305 305  
306 306  
307 307  [[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
308 308  
309 -* Humidity:    0x025C/10=60.4%(% style="display:none" %)
315 +* Humidity:    0x025C/10=60.4%
310 310  
311 311  
318 +
312 312  === 2.4.5 Ext # ===
313 313  
314 314  
... ... @@ -315,11 +315,12 @@
315 315  Bytes for External Sensor:
316 316  
317 317  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:425px" %)
318 -|=(% style="width: 102px; background-color:#D9E2F3;color:#0070C0" %)**EXT # **Value|=(% style="width: 323px;background-color:#D9E2F3;color:#0070C0" %)External Sensor Type
325 +|=(% style="width: 102px; background-color:#D9E2F3;color:#0070C0" %)**EXT # Value**|=(% style="width: 323px;background-color:#D9E2F3;color:#0070C0" %)**External Sensor Type**
319 319  |(% style="width:102px" %)0x01|(% style="width:319px" %)Sensor E3, Temperature Sensor
320 320  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
321 321  
322 322  
330 +
323 323  === 2.4.6 Ext value ===
324 324  
325 325  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
... ... @@ -374,7 +374,7 @@
374 374  |(% style="width:110px" %)(((
375 375  **Value**
376 376  )))|(% style="width:71px" %)(((
377 -External temperature
385 +[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
378 378  )))|(% style="width:99px" %)(((
379 379  [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
380 380  )))|(% style="width:132px" %)(((
... ... @@ -406,10 +406,11 @@
406 406  |=(% style="width: 96px;" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
407 407  
408 408  * (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
409 -* (% 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.
417 +* (% 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.
410 410  * (% 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)
411 411  
412 412  
421 +
413 413  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
414 414  
415 415  
... ... @@ -476,21 +476,9 @@
476 476  
477 477  
478 478  
479 -==== 2.4.6.5 Ext~=11 SHT31 Sensor （Since Firmware v1.4.1） ====
488 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
480 480  
481 481  
482 -[[image:65N-E31F.jpg||height="454" width="459"]]
483 -
484 -
485 -(% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
486 -
487 -[[image:SHT31.png]]
488 -
489 -
490 -
491 -==== 2.4.6.6 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
492 -
493 -
494 494  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
495 495  
496 496  
... ... @@ -535,7 +535,7 @@
535 535  
536 536  
537 537  
538 -==== 2.4.6.7 Ext~=8 Counting Mode（Since Firmware v1.3） ====
535 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
539 539  
540 540  
541 541  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
... ... @@ -586,67 +586,6 @@
586 586  A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
587 587  
588 588  
589 -==== 2.4.6.8 Ext~=10, E2 sensor (TMP117)with Unix Timestamp(Since firmware V1.3.2) ====
590 -
591 -
592 -(((
593 -Timestamp mode is designed for LHT65N with E2 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:
594 -)))
595 -
596 -
597 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
598 -|=(% style="width: 50px;background-color:#D9E2F3" %)(((
599 -**Size(bytes)**
600 -)))|=(% style="width: 70px;background-color:#D9E2F3" %)(((
601 -**2**
602 -)))|=(% style="width: 120px;background-color:#D9E2F3" %)(((
603 -**2**
604 -)))|=(% style="width: 120px;background-color:#D9E2F3" %)(((
605 -**2**
606 -)))|=(% style="width: 50px;background-color:#D9E2F3" %)(((
607 -**1**
608 -)))|=(% style="width: 70px;background-color:#D9E2F3" %)(((
609 -**4**
610 -)))
611 -|(% style="width:110px" %)(((
612 -**Value**
613 -)))|(% style="width:71px" %)(((
614 -External temperature
615 -)))|(% style="width:99px" %)(((
616 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
617 -)))|(% style="width:132px" %)(((
618 -BAT Status & [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
619 -)))|(% style="width:54px" %)(((
620 -Status & Ext
621 -)))|(% style="width:64px" %)(((
622 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
623 -)))
624 -
625 -* **Battery status & Built-in Humidity**
626 -
627 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:461px" %)
628 -|=(% style="width: 69px;background-color:#D9E2F3;color:#0070C0" %)Bit(bit)|=(% style="width: 258px;background-color:#D9E2F3;color:#0070C0" %)[15:14]|=(% style="width: 134px;background-color:#D9E2F3;color:#0070C0" %)[11:0]
629 -|(% style="width:67px" %)**Value**|(% style="width:256px" %)(((
630 -BAT Status
631 -00(b): Ultra Low ( BAT <= 2.50v)
632 -01(b): Low  (2.50v <=BAT <= 2.55v)
633 -10(b): OK   (2.55v <= BAT <=2.65v)
634 -11(b): Good   (BAT >= 2.65v)
635 -)))|(% style="width:132px" %)(((
636 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
637 -)))
638 -
639 -* **Status & Ext Byte**
640 -
641 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
642 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**Bits**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**7**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**5**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**[3:0]**
643 -|=(% style="width: 96px;" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
644 -
645 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
646 -* (% 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.
647 -* (% 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)
648 -
649 -
650 650  == 2.5 Show data on Datacake ==
651 651  
652 652  
... ... @@ -777,7 +777,7 @@
777 777  User can poll sensor value based on timestamps from the server. Below is the downlink command.
778 778  
779 779  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:428px" %)
780 -|(% style="width:58px" %)**1byte**|(% style="width:128px" %)**4bytes**|(% style="width:123px" %)**4bytes**|(% style="width:116px" %)**1byte**
716 +|(% style="width:58px" %)1byte|(% style="width:128px" %)4bytes|(% style="width:123px" %)4bytes|(% style="width:116px" %)1byte
781 781  |(% style="width:58px" %)31|(% style="width:128px" %)Timestamp start|(% style="width:123px" %)Timestamp end|(% style="width:116px" %)Uplink Interval
782 782  
783 783  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.
... ... @@ -962,11 +962,11 @@
962 962  
963 963  Explain:
964 964  
965 -* (% style="color:#037691" %)**parameter1: **(%%)Set Working Mode to **Mode 3**
901 +* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
966 966  * (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
967 -* (% style="color:#037691" %)**parameter3: **(%%)Sampling Interval is **60**s.
968 -* (% style="color:#037691" %)**parameter4: **(%%)When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
969 -* (% style="color:#037691" %)**parameter5 & parameter6: **(%%)Temperature alarm range is **-16** to **32**°C,
903 +* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
904 +* (% style="color:#037691" %)**parameter4:**(%%)When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
905 +* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
970 970  * (% style="color:#037691" %)**parameter7:**(%%) 1 to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
971 971  
972 972  (% style="color:#4f81bd" %)**Downlink Command:**
... ... @@ -987,7 +987,6 @@
987 987  
988 988  ARTEMP=01
989 989  
990 -
991 991  **Uplink payload( Fport=3)**
992 992  
993 993  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -1064,6 +1064,7 @@
1064 1064  * For each success downlink, the PURPLE LED will blink once
1065 1065  
1066 1066  
1002 +
1067 1067  == 2.9 installation ==
1068 1068  
1069 1069  
... ... @@ -1117,43 +1117,7 @@
1117 1117  * Working voltage 2.35v ~~ 5v
1118 1118  
1119 1119  
1120 -== 3.3 E31F Temperature Probe ==
1121 1121  
1122 -
1123 -[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:65N-E31F.jpg||height="196" width="198"]]
1124 -
1125 -
1126 -Temperature sensor with 1 meters cable long
1127 -
1128 -**Built-in Temperature Sensor:**
1129 -
1130 -* Resolution: 0.01 °C
1131 -* Accuracy Tolerance : Typ ±0.3 °C
1132 -* Long Term Drift: < 0.02 °C/yr
1133 -* Operating Range: -40 ~~ 80 °C
1134 -
1135 -**Built-in Humidity Sensor:**
1136 -
1137 -* Resolution: 0.04 % RH
1138 -* Accuracy Tolerance : Typ ±3 % RH
1139 -* Long Term Drift: < 0.02 °C/yr
1140 -* Operating Range: 0 ~~ 96 % RH
1141 -
1142 -**External Temperature Sensor :**
1143 -
1144 -* Resolution: 0.01 °C
1145 -* Accuracy Tolerance : Typical ±0.3 °C
1146 -* Long Term Drift: < 0.02 °C/yr
1147 -* Operating Range: -40 ~~ 125 °C
1148 -
1149 -**External Humidity Sensor :**
1150 -
1151 -* Resolution: 0.04 % RH
1152 -* Accuracy Tolerance : Typ ±3 % RH
1153 -* Long Term Drift: < 0.02 °C/yr
1154 -* Operating Range: 0 ~~ 96 % RH
1155 -
1156 -
1157 1157  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1158 1158  
1159 1159  
... ... @@ -1211,7 +1211,7 @@
1211 1211  
1212 1212  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
1213 1213  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:166px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:180px" %)**Response**
1214 -|(% style="width:155px" %)AT+TDC=?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
1114 +|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
1215 1215  |(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
1216 1216  
1217 1217  (% style="color:#4f81bd" %)**Downlink Command: 0x01**
... ... @@ -1225,6 +1225,7 @@
1225 1225  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1226 1226  
1227 1227  
1128 +
1228 1228  == 4.2 Set External Sensor Mode ==
1229 1229  
1230 1230  
... ... @@ -1236,7 +1236,7 @@
1236 1236  
1237 1237  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:468px" %)
1238 1238  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:153px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:160px" %)**Response**
1239 -|(% style="width:155px" %)AT+EXT=?|(% style="width:151px" %)Get current external sensor mode|(% style="width:158px" %)1 OK External Sensor mode =1
1140 +|(% style="width:155px" %)AT+EXT?|(% style="width:151px" %)Get current external sensor mode|(% style="width:158px" %)1 OK External Sensor mode =1
1240 1240  |(% style="width:155px" %)AT+EXT=1|(% colspan="2" rowspan="1" style="width:309px" %)Set external sensor mode to 1
1241 1241  |(% style="width:155px" %)AT+EXT=9|(% colspan="2" rowspan="1" style="width:309px" %)Set to external DS18B20 with timestamp
1242 1242  
... ... @@ -1253,6 +1253,7 @@
1253 1253  * 0xA20702003c: Same as AT+SETCNT=60
1254 1254  
1255 1255  
1157 +
1256 1256  == 4.3 Enable/Disable uplink Temperature probe ID ==
1257 1257  
1258 1258  
... ... @@ -1275,6 +1275,7 @@
1275 1275  
1276 1276  (% style="color:#4f81bd" %)**AT Command:**
1277 1277  
1180 +
1278 1278  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:381px" %)
1279 1279  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:138px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:88px" %)**Response**
1280 1280  |(% style="width:155px" %)AT+PID=1|(% style="width:136px" %)Enable PID uplink|(% style="width:86px" %)OK
... ... @@ -1285,13 +1285,16 @@
1285 1285  * **0xA801**     **~-~->** AT+PID=1
1286 1286  
1287 1287  
1191 +
1288 1288  == 4.4 Set Password ==
1289 1289  
1290 1290  
1291 1291  Feature: Set device password, max 9 digits
1292 1292  
1197 +
1293 1293  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1294 1294  
1200 +
1295 1295  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
1296 1296  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:128px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**Response**
1297 1297  |(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
... ... @@ -1311,8 +1311,10 @@
1311 1311  
1312 1312  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1313 1313  
1220 +
1314 1314  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1315 1315  
1223 +
1316 1316  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:433px" %)
1317 1317  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:191px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:86px" %)**Response**
1318 1318  |(% style="width:155px" %)AT+DISAT|(% style="width:191px" %)Quit AT Commands mode|(% style="width:86px" %)OK
... ... @@ -1332,6 +1332,7 @@
1332 1332  
1333 1333  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1334 1334  
1243 +
1335 1335  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
1336 1336  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:218px" %)**Response**
1337 1337  |(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
... ... @@ -1345,13 +1345,16 @@
1345 1345  * There is no downlink command to set to Sleep mode.
1346 1346  
1347 1347  
1257 +
1348 1348  == 4.7 Set system time ==
1349 1349  
1350 1350  
1351 1351  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1352 1352  
1263 +
1353 1353  (% style="color:#4f81bd" %)**AT Command:**
1354 1354  
1266 +
1355 1355  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:506px" %)
1356 1356  |(% style="background-color:#d9e2f3; color:#0070c0; width:188px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:318px" %)**Function**
1357 1357  |(% style="width:154px" %)AT+TIMESTAMP=1611104352|(% style="width:285px" %)(((
... ... @@ -1374,10 +1374,13 @@
1374 1374  
1375 1375  (((
1376 1376  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.
1289 +
1290 +
1377 1377  )))
1378 1378  
1379 1379  (% style="color:#4f81bd" %)**AT Command:**
1380 1380  
1295 +
1381 1381  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:475px" %)
1382 1382  |(% style="background-color:#d9e2f3; color:#0070c0; width:156px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:315px" %)**Function**
1383 1383  |(% style="width:156px" %)AT+SYNCMOD=1|(% style="width:315px" %)Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
... ... @@ -1393,8 +1393,10 @@
1393 1393  
1394 1394  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1395 1395  
1311 +
1396 1396  (% style="color:#4f81bd" %)**AT Command:**
1397 1397  
1314 +
1398 1398  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:472px" %)
1399 1399  |(% style="background-color:#d9e2f3; color:#0070c0; width:158px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:314px" %)**Function**
1400 1400  |(% style="width:156px" %)AT+SYNCTDC=0x0A |(% style="width:311px" %)Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
... ... @@ -1409,6 +1409,7 @@
1409 1409  
1410 1410  Feature: Print the sector data from start page to stop page (max is 416 pages).
1411 1411  
1329 +
1412 1412  (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1413 1413  
1414 1414  [[image:image-20230426164330-2.png]]
... ... @@ -1424,6 +1424,7 @@
1424 1424  
1425 1425  Feature: Print the last few data entries
1426 1426  
1345 +
1427 1427  (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1428 1428  
1429 1429  [[image:image-20230426164932-3.png]]
... ... @@ -1456,11 +1456,13 @@
1456 1456  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1457 1457  
1458 1458  
1378 +
1459 1459  == 4.13 Auto Send None-ACK messages ==
1460 1460  
1461 1461  
1462 1462  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.
1463 1463  
1384 +
1464 1464  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1465 1465  
1466 1466  The default factory setting is 0
... ... @@ -1474,6 +1474,7 @@
1474 1474  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1475 1475  
1476 1476  
1398 +
1477 1477  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1478 1478  
1479 1479  
... ... @@ -1919,6 +1919,7 @@
1919 1919  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1920 1920  
1921 1921  
1844 +
1922 1922  = 8. Packing Info =
1923 1923  
1924 1924  
... ... @@ -1933,6 +1933,7 @@
1933 1933  * Device Weight: 120.5g
1934 1934  
1935 1935  
1859 +
1936 1936  = 9. Reference material =
1937 1937  
1938 1938  
... ... @@ -1939,6 +1939,7 @@
1939 1939  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1940 1940  
1941 1941  
1866 +
1942 1942  = 10. FCC Warning =
1943 1943  
1944 1944  
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