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Last modified by Xiaoling on 2023/07/18 10:12
From version 235.2
edited by Xiaoling
on 2023/04/26 15:59
Change comment: There is no comment for this version
To version 251.2
edited by Xiaoling
on 2023/05/16 11:51
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -57,6 +57,8 @@
57 57  * Tri-color LED to indicate working status
58 58  * Datalog feature (Max 3328 records)
59 59  
60 +
61 +
60 60  == 1.3 Specification ==
61 61  
62 62  
... ... @@ -81,6 +81,8 @@
81 81  * ±2°C accuracy from -55°C to +125°C
82 82  * Operating Range: -55 °C ~~ 125 °C
83 83  
86 +
87 +
84 84  = 2. Connect LHT65N to IoT Server =
85 85  
86 86  == 2.1 How does LHT65N work? ==
... ... @@ -127,6 +127,8 @@
127 127  )))
128 128  |(% 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.
129 129  
134 +
135 +
130 130  == 2.3 Example to join LoRaWAN network ==
131 131  
132 132  
... ... @@ -154,7 +154,7 @@
154 154  Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
155 155  )))
156 156  
157 -[[image:image-20230426083319-1.png]]
163 +[[image:image-20230426083319-1.png||height="258" width="556"]]
158 158  
159 159  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
160 160  
... ... @@ -242,6 +242,8 @@
242 242  
243 243  * 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.)
244 244  
251 +
252 +
245 245  === 2.4.1 Decoder in TTN V3 ===
246 246  
247 247  
... ... @@ -284,6 +284,8 @@
284 284  
285 285  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
286 286  
295 +
296 +
287 287  === 2.4.3 Built-in Temperature ===
288 288  
289 289  
... ... @@ -293,15 +293,19 @@
293 293  
294 294  [[image:image-20220522235639-3.png||_mstalt="432120"]]
295 295  
296 -* Temperature:  (0xF5C6-65536)/100=-26.18℃
306 +* Temperature:  (0xF5C6-65536)/100=-26.18℃(% style="display:none" %)
297 297  
308 +
309 +
298 298  === 2.4.4 Built-in Humidity ===
299 299  
300 300  
301 301  [[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
302 302  
303 -* Humidity:    0x025C/10=60.4%
315 +* Humidity:    0x025C/10=60.4%(% style="display:none" %)
304 304  
317 +
318 +
305 305  === 2.4.5 Ext # ===
306 306  
307 307  
... ... @@ -308,10 +308,12 @@
308 308  Bytes for External Sensor:
309 309  
310 310  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:425px" %)
311 -|=(% 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
312 312  |(% style="width:102px" %)0x01|(% style="width:319px" %)Sensor E3, Temperature Sensor
313 313  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
314 314  
329 +
330 +
315 315  === 2.4.6 Ext value ===
316 316  
317 317  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
... ... @@ -366,7 +366,7 @@
366 366  |(% style="width:110px" %)(((
367 367  **Value**
368 368  )))|(% style="width:71px" %)(((
369 -[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
385 +External temperature
370 370  )))|(% style="width:99px" %)(((
371 371  [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
372 372  )))|(% style="width:132px" %)(((
... ... @@ -398,9 +398,11 @@
398 398  |=(% 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)
399 399  
400 400  * (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
401 -* (% 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.
402 402  * (% 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)
403 403  
420 +
421 +
404 404  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
405 405  
406 406  
... ... @@ -467,9 +467,21 @@
467 467  
468 468  
469 469  
470 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
488 +==== 2.4.6.5 Ext~=11 SHT31 Sensor （Since Firmware v1.4.1） ====
471 471  
472 472  
491 +[[image:65N-E31F.jpg||height="454" width="459"]]
492 +
493 +
494 +(% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
495 +
496 +[[image:SHT31.png]]
497 +
498 +
499 +
500 +==== 2.4.6.6 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
501 +
502 +
473 473  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
474 474  
475 475  
... ... @@ -514,7 +514,7 @@
514 514  
515 515  
516 516  
517 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
547 +==== 2.4.6.7 Ext~=8 Counting Mode（Since Firmware v1.3） ====
518 518  
519 519  
520 520  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
... ... @@ -694,14 +694,10 @@
694 694  
695 695  User can poll sensor value based on timestamps from the server. Below is the downlink command.
696 696  
697 -(% border="1" cellspacing="5" style="width:428px;background-color:#F2F2F2" %)
698 -|(% style="width:58px" %)1byte|(% style="width:128px" %)4bytes|(% style="width:123px" %)4bytes|(% style="width:116px" %)1byte
727 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:428px" %)
728 +|(% style="width:58px" %)**1byte**|(% style="width:128px" %)**4bytes**|(% style="width:123px" %)**4bytes**|(% style="width:116px" %)**1byte**
699 699  |(% style="width:58px" %)31|(% style="width:128px" %)Timestamp start|(% style="width:123px" %)Timestamp end|(% style="width:116px" %)Uplink Interval
700 700  
701 -[[image:image-20220523152302-15.png||_mstalt="451581"]]
702 -
703 -[[image:image-20230426155837-1.png]]
704 -
705 705  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.
706 706  
707 707  For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(%%)
... ... @@ -718,10 +718,10 @@
718 718  
719 719  **Retrieval data payload:**
720 720  
721 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:480px" %)
722 -|=(% style="width: 60px;" %)(((
747 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
748 +|=(% style="width: 60px;background-color:#D9E2F3" %)(((
723 723  **Size(bytes)**
724 -)))|=(% style="width: 90px;" %)**2**|=(% style="width: 90px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 100px;" %)**1**|=(% style="width: 70px;" %)**4**
750 +)))|=(% style="width: 90px;background-color:#D9E2F3" %)**2**|=(% style="width: 90px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 100px;background-color:#D9E2F3" %)**1**|=(% style="width: 70px;background-color:#D9E2F3" %)**4**
725 725  |(% style="width:97px" %)**Value**|(% style="width:123px" %)[[External sensor data>>||anchor="H2.4.6Extvalue"]]|(% style="width:108px" %)[[Built In Temperature>>||anchor="H2.4.3Built-inTemperature"]]|(% style="width:133px" %)[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]|(% style="width:159px" %)Poll message flag & Ext|(% style="width:80px" %)[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
726 726  
727 727  **Poll message flag & Ext:**
... ... @@ -753,7 +753,7 @@
753 753  
754 754  If LHT65N has below data inside Flash:
755 755  
756 -[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
782 +[[image:image-20230426171833-4.png]]
757 757  
758 758  
759 759  If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
... ... @@ -884,11 +884,11 @@
884 884  
885 885  Explain:
886 886  
887 -* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
913 +* (% style="color:#037691" %)**parameter1: **(%%)Set Working Mode to **Mode 3**
888 888  * (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
889 -* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
890 -* (% 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)
891 -* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
915 +* (% style="color:#037691" %)**parameter3: **(%%)Sampling Interval is **60**s.
916 +* (% 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)
917 +* (% style="color:#037691" %)**parameter5 & parameter6: **(%%)Temperature alarm range is **-16** to **32**°C,
892 892  * (% 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.
893 893  
894 894  (% style="color:#4f81bd" %)**Downlink Command:**
... ... @@ -909,6 +909,7 @@
909 909  
910 910  ARTEMP=01
911 911  
938 +
912 912  **Uplink payload( Fport=3)**
913 913  
914 914  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -984,6 +984,8 @@
984 984  * RED LED when external sensor is not connected
985 985  * For each success downlink, the PURPLE LED will blink once
986 986  
1014 +
1015 +
987 987  == 2.9 installation ==
988 988  
989 989  
... ... @@ -1036,6 +1036,46 @@
1036 1036  * Operating Range: -40 ~~ 125 °C
1037 1037  * Working voltage 2.35v ~~ 5v
1038 1038  
1068 +
1069 +
1070 +== 3.3 E31F Temperature Probe ==
1071 +
1072 +
1073 +[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:65N-E31F.jpg||height="196" width="198"]]
1074 +
1075 +
1076 +Temperature sensor with 1 meters cable long
1077 +
1078 +**Built-in Temperature Sensor:**
1079 +
1080 +* Resolution: 0.01 °C
1081 +* Accuracy Tolerance : Typ ±0.3 °C
1082 +* Long Term Drift: < 0.02 °C/yr
1083 +* Operating Range: -40 ~~ 80 °C
1084 +
1085 +**Built-in Humidity Sensor:**
1086 +
1087 +* Resolution: 0.04 % RH
1088 +* Accuracy Tolerance : Typ ±3 % RH
1089 +* Long Term Drift: < 0.02 °C/yr
1090 +* Operating Range: 0 ~~ 96 % RH
1091 +
1092 +**External Temperature Sensor :**
1093 +
1094 +* Resolution: 0.01 °C
1095 +* Accuracy Tolerance : Typical ±0.3 °C
1096 +* Long Term Drift: < 0.02 °C/yr
1097 +* Operating Range: -40 ~~ 125 °C
1098 +
1099 +**External Humidity Sensor :**
1100 +
1101 +* Resolution: 0.04 % RH
1102 +* Accuracy Tolerance : Typ ±3 % RH
1103 +* Long Term Drift: < 0.02 °C/yr
1104 +* Operating Range: 0 ~~ 96 % RH
1105 +
1106 +
1107 +
1039 1039  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1040 1040  
1041 1041  
... ... @@ -1091,9 +1091,11 @@
1091 1091  
1092 1092  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1093 1093  
1094 -[[image:image-20220523150701-2.png||_mstalt="427453"]]
1163 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
1164 +|(% 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**
1165 +|(% style="width:155px" %)AT+TDC=?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
1166 +|(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
1095 1095  
1096 -
1097 1097  (% style="color:#4f81bd" %)**Downlink Command: 0x01**
1098 1098  
1099 1099  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -1104,6 +1104,8 @@
1104 1104  
1105 1105  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1106 1106  
1178 +
1179 +
1107 1107  == 4.2 Set External Sensor Mode ==
1108 1108  
1109 1109  
... ... @@ -1112,8 +1112,12 @@
1112 1112  
1113 1113  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1114 1114  
1115 -[[image:image-20220523150759-3.png||_mstalt="432146"]]
1116 1116  
1189 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:468px" %)
1190 +|(% 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**
1191 +|(% style="width:155px" %)AT+EXT=?|(% style="width:151px" %)Get current external sensor mode|(% style="width:158px" %)1 OK External Sensor mode =1
1192 +|(% style="width:155px" %)AT+EXT=1|(% colspan="2" rowspan="1" style="width:309px" %)Set external sensor mode to 1
1193 +|(% style="width:155px" %)AT+EXT=9|(% colspan="2" rowspan="1" style="width:309px" %)Set to external DS18B20 with timestamp
1117 1117  
1118 1118  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1119 1119  
... ... @@ -1127,6 +1127,8 @@
1127 1127  
1128 1128  * 0xA20702003c: Same as AT+SETCNT=60
1129 1129  
1207 +
1208 +
1130 1130  == 4.3 Enable/Disable uplink Temperature probe ID ==
1131 1131  
1132 1132  
... ... @@ -1149,24 +1149,32 @@
1149 1149  
1150 1150  (% style="color:#4f81bd" %)**AT Command:**
1151 1151  
1152 -[[image:image-20220523150928-4.png||_mstalt="431821"]]
1231 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:381px" %)
1232 +|(% 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**
1233 +|(% style="width:155px" %)AT+PID=1|(% style="width:136px" %)Enable PID uplink|(% style="width:86px" %)OK
1153 1153  
1154 -
1155 1155  (% style="color:#4f81bd" %)**Downlink Command:**
1156 1156  
1157 1157  * **0xA800**  **~-~->** AT+PID=0
1158 1158  * **0xA801**     **~-~->** AT+PID=1
1159 1159  
1240 +
1241 +
1160 1160  == 4.4 Set Password ==
1161 1161  
1162 1162  
1163 1163  Feature: Set device password, max 9 digits
1164 1164  
1165 -
1166 1166  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1167 1167  
1168 -[[image:image-20220523151052-5.png||_mstalt="428623"]]
1249 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
1250 +|(% 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**
1251 +|(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
1252 +123456
1169 1169  
1254 +OK
1255 +)))
1256 +|(% style="width:155px" %)AT+PWORD=999999|(% style="width:124px" %)Set password|(% style="width:86px" %)OK
1170 1170  
1171 1171  (% style="color:#4f81bd" %)**Downlink Command:**
1172 1172  
... ... @@ -1178,12 +1178,12 @@
1178 1178  
1179 1179  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1180 1180  
1181 -
1182 1182  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1183 1183  
1184 -[[image:image-20220523151132-6.png||_mstalt="428649"]]
1270 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:433px" %)
1271 +|(% 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**
1272 +|(% style="width:155px" %)AT+DISAT|(% style="width:191px" %)Quit AT Commands mode|(% style="width:86px" %)OK
1185 1185  
1186 -
1187 1187  (% style="color:#4f81bd" %)**Downlink Command:**
1188 1188  
1189 1189  No downlink command for this feature.
... ... @@ -1199,23 +1199,34 @@
1199 1199  
1200 1200  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1201 1201  
1202 -[[image:image-20220523151218-7.png||_mstalt="430703"]]
1289 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
1290 +|(% 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**
1291 +|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
1292 +Clear all stored sensor data…
1203 1203  
1294 +OK
1295 +)))
1204 1204  
1205 1205  (% style="color:#4f81bd" %)**Downlink Command:**
1206 1206  
1207 1207  * There is no downlink command to set to Sleep mode.
1208 1208  
1301 +
1302 +
1209 1209  == 4.7 Set system time ==
1210 1210  
1211 1211  
1212 1212  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1213 1213  
1214 -
1215 1215  (% style="color:#4f81bd" %)**AT Command:**
1216 1216  
1217 -[[image:image-20220523151253-8.png||_mstalt="430677"]]
1310 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:506px" %)
1311 +|(% style="background-color:#d9e2f3; color:#0070c0; width:188px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:318px" %)**Function**
1312 +|(% style="width:154px" %)AT+TIMESTAMP=1611104352|(% style="width:285px" %)(((
1313 +OK
1218 1218  
1315 +Set System time to 2021-01-20 00:59:12
1316 +)))
1219 1219  
1220 1220  (% style="color:#4f81bd" %)**Downlink Command:**
1221 1221  
... ... @@ -1231,15 +1231,14 @@
1231 1231  
1232 1232  (((
1233 1233  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.
1234 -
1235 -
1236 1236  )))
1237 1237  
1238 1238  (% style="color:#4f81bd" %)**AT Command:**
1239 1239  
1240 -[[image:image-20220523151336-9.png||_mstalt="431717"]]
1336 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:475px" %)
1337 +|(% style="background-color:#d9e2f3; color:#0070c0; width:156px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:315px" %)**Function**
1338 +|(% style="width:156px" %)AT+SYNCMOD=1|(% style="width:315px" %)Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
1241 1241  
1242 -
1243 1243  (% style="color:#4f81bd" %)**Downlink Command:**
1244 1244  
1245 1245  0x28 01  ~/~/  Same As AT+SYNCMOD=1
... ... @@ -1251,12 +1251,12 @@
1251 1251  
1252 1252  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1253 1253  
1254 -
1255 1255  (% style="color:#4f81bd" %)**AT Command:**
1256 1256  
1257 -[[image:image-20220523151411-10.png||_mstalt="449696"]]
1353 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:472px" %)
1354 +|(% style="background-color:#d9e2f3; color:#0070c0; width:158px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:314px" %)**Function**
1355 +|(% style="width:156px" %)AT+SYNCTDC=0x0A |(% style="width:311px" %)Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
1258 1258  
1259 -
1260 1260  (% style="color:#4f81bd" %)**Downlink Command:**
1261 1261  
1262 1262  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
... ... @@ -1267,10 +1267,9 @@
1267 1267  
1268 1268  Feature: Print the sector data from start page to stop page (max is 416 pages).
1269 1269  
1270 -
1271 1271  (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1272 1272  
1273 -[[image:image-20220523151450-11.png||_mstalt="451035"]]
1369 +[[image:image-20230426164330-2.png]]
1274 1274  
1275 1275  
1276 1276  (% style="color:#4f81bd" %)**Downlink Command:**
... ... @@ -1283,10 +1283,9 @@
1283 1283  
1284 1284  Feature: Print the last few data entries
1285 1285  
1286 -
1287 1287  (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1288 1288  
1289 -[[image:image-20220523151524-12.png||_mstalt="452101"]]
1384 +[[image:image-20230426164932-3.png]]
1290 1290  
1291 1291  
1292 1292  (% style="color:#4f81bd" %)**Downlink Command:**
... ... @@ -1302,25 +1302,32 @@
1302 1302  
1303 1303  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1304 1304  
1305 -[[image:image-20220523151556-13.png||_mstalt="454129"]]
1306 1306  
1401 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1402 +|(% style="background-color:#d9e2f3; color:#0070c0; width:157px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:137px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:209px" %)**Response**
1403 +|(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
1404 +Clear all stored sensor data…
1307 1307  
1406 +OK
1407 +)))
1408 +
1308 1308  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1309 1309  
1310 1310  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1311 1311  
1413 +
1414 +
1312 1312  == 4.13 Auto Send None-ACK messages ==
1313 1313  
1314 1314  
1315 1315  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.
1316 1316  
1317 -
1318 1318  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1319 1319  
1320 1320  The default factory setting is 0
1321 1321  
1322 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:367px" %)
1323 -|=(% style="width: 158px;" %)**Command Example**|=(% style="width: 118px;" %)**Function**|=(% style="width: 87px;" %)**Response**
1424 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:367px" %)
1425 +|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 87px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1324 1324  |(% style="width:158px" %)AT+PNACKMD=1|(% style="width:118px" %)Poll None-ACK message|(% style="width:87px" %)OK
1325 1325  
1326 1326  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
... ... @@ -1327,13 +1327,15 @@
1327 1327  
1328 1328  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1329 1329  
1432 +
1433 +
1330 1330  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1331 1331  
1332 1332  
1333 1333  Feature: Set internal and external temperature sensor alarms.
1334 1334  
1335 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
1336 -|=(% style="width: 250px;" %)**Command Example**|=(% style="width: 200px;" %)**Function**|=(% style="width: 50px;" %)**Response**
1439 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
1440 +|=(% style="width: 250px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 200px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1337 1337  |(% style="width:268px" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|(% style="width:255px" %)Set internal and external temperature sensor alarms|(% style="width:181px" %)OK
1338 1338  
1339 1339  (% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
... ... @@ -1771,6 +1771,8 @@
1771 1771  
1772 1772  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1773 1773  
1878 +
1879 +
1774 1774  = 8. Packing Info =
1775 1775  
1776 1776  
... ... @@ -1784,11 +1784,15 @@
1784 1784  * Device Size:  10 x 10 x 3.5 mm
1785 1785  * Device Weight: 120.5g
1786 1786  
1893 +
1894 +
1787 1787  = 9. Reference material =
1788 1788  
1789 1789  
1790 1790  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1791 1791  
1900 +
1901 +
1792 1792  = 10. FCC Warning =
1793 1793  
1794 1794  
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