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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 137.2
edited by Xiaoling
on 2025/04/16 15:14
Change comment: There is no comment for this version
To version 150.2
edited by Mengting Qiu
on 2025/05/16 10:12
Change comment: There is no comment for this version

Summary

Details

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Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.ting
Content
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178 178  [[image:image-20250416151406-3.jpeg]]
179 179  
180 180  
181 -
182 -
183 183  === 1.9.2 for LS version ===
184 184  
185 185  
... ... @@ -212,33 +212,34 @@
212 212  [[image:image-20230426084456-1.png||height="241" width="519"]]
213 213  
214 214  
215 -User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
213 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
216 216  
217 -* **Create the application.**
215 +**Create the application.**
218 218  
219 -[[image:image-20250329133946-2.jpeg]]
217 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SAC01L_LoRaWAN_Temperature%26Humidity_Sensor_User_Manual/WebHome/image-20250423093843-1.png?width=756&height=264&rev=1.1||alt="image-20250423093843-1.png"]]
220 220  
221 -[[image:image-20250329134001-3.jpeg]]
219 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111305-2.png?width=1000&height=572&rev=1.1||alt="image-20240907111305-2.png"]]
222 222  
223 223  
222 +**Add devices to the created Application.**
224 224  
225 -* **Add devices to the created Application.**
224 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111659-3.png?width=977&height=185&rev=1.1||alt="image-20240907111659-3.png"]]
226 226  
227 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111659-3.png?width=977&height=185&rev=1.1||alt="image-20240907111659-3.png"]]
226 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111820-5.png?width=975&height=377&rev=1.1||alt="image-20240907111820-5.png"]]
228 228  
229 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111820-5.png?width=975&height=377&rev=1.1||alt="image-20240907111820-5.png"]]
230 230  
229 +**Enter end device specifics manually.**
231 231  
232 -* **Enter end device specifics manually.**
231 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112136-6.png?width=697&height=687&rev=1.1||alt="image-20240907112136-6.png"]]
233 233  
234 -[[image:image-20241118164859-1.png||height="561" width="642"]]
235 235  
236 -[[image:image-20241118165221-2.png||height="426" width="630"]]
234 +**Add DevEUI and AppKey.**
237 237  
236 +**Customize a platform ID for the device.**
238 238  
238 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112427-7.png?rev=1.1||alt="image-20240907112427-7.png"]]
239 239  
240 240  
241 -
242 242  (% style="color:blue" %)**Step 2: **(%%)Add decoder
243 243  
244 244  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -499,7 +499,7 @@
499 499  === 2.3.4 Define periodically SDI-12 commands and uplink. ===
500 500  
501 501  
502 -AT+COMMANDx & AT+DATACUTx
501 +AT+COMMANDx & AT+DATACUTx**&AT+DATACONVx**
503 503  
504 504  User can define max 15 SDI-12 Commands (AT+COMMAND1 ~~ AT+COMMANDF). On each uplink period (TDC time, default 20 minutes), SDI-12-LB/LS will send these SDI-12 commands and wait for return from SDI-12 sensors. SDI-12-LB/LS will then combine these returns and uplink via LoRaWAN.
505 505  
... ... @@ -512,7 +512,7 @@
512 512  
513 513  (% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
514 514  
515 -(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
514 +(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//. (% style="color:red" %)**2: The returned data will not be clipped.(since v1.3.0)**
516 516  
517 517  (% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB/LS will resend this command. Max 3 retries.
518 518  
... ... @@ -655,6 +655,38 @@
655 655  (% style="color:red" %)**When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
656 656  
657 657  
657 +
658 +(% style="color:blue" %)**Automatically converts polled data to hex format for uplinking(Since v1.3.0)**
659 +
660 +
661 +This command can retrieve the returned data, convert the number after the positive or negative sign into a data, and then set the number of bytes to upload the data.
662 +
663 +
664 +* (% style="color:blue" %)**AT Command:**
665 +
666 +The maximum number can be set to 5 groups and the format of the command is as follows：
667 +
668 +(% style="color:#037691" %)**Example 1:AT+DATACONVx=var1, var2**
669 +
670 +(% style="color:#037691" %)**Example 2:AT+DATACONVx=var1, var2+ var3, var4**
671 +
672 +(% style="color:#037691" %)**Example 3:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6**
673 +
674 +(% style="color:#037691" %)**Example 4:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8**
675 +
676 +(% style="color:#037691" %)**Example 5:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8+ var9, var10**
677 +
678 +(% style="color:red" %)**Notice: Among them, var1, var3, var5, var7, and var9 are the data to be selected for conversion, and var2, var4, var6, var8, and var10 are the number of bytes to be uploaded. The values of var2, var4, var6, var8, and var10 range from 1 to 4.**
679 +
680 +
681 +**For example:**
682 +
683 +This is my configuration:
684 +
685 +[[image:image-20250516100849-1.png]]
686 +
687 +
688 +
658 658  == 2.4 Uplink Payload ==
659 659  
660 660  === 2.4.1 Device Payload, FPORT~=5 ===
... ... @@ -1160,6 +1160,187 @@
1160 1160  [[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
1161 1161  
1162 1162  
1194 +
1195 +== 2.9 Datalog Feature(Since v1.3.0) ==
1196 +
1197 +
1198 +(((
1199 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, SDI-12-LB will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from SDI-12-LB.
1200 +)))
1201 +
1202 +
1203 +=== 2.9.1 Ways to get datalog via LoRaWAN ===
1204 +
1205 +
1206 +There are two methods:
1207 +
1208 +(% style="color:blue" %)**Method 1:** (%%)IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.8.4Pollsensorvalue"]] for specified time range.
1209 +
1210 +
1211 +(% style="color:blue" %)**Method 2: **(%%)Set PNACKMD=1, SDI-12-LB will wait for ACK for every uplink, when there is no LoRaWAN network, SDI-12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
1212 +
1213 +
1214 +(% style="color:red" %)**Note for method 2:**
1215 +
1216 +* a) SDI-12-LB will do an ACK check for data records sending to make sure every data arrive server.
1217 +* b) SDI-12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but SDI-12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if SDI-12-LB gets a ACK, SDI-12-LB will consider there is a network connection and resend all NONE-ACK Message.
1218 +
1219 +=== 2.9.2 Unix TimeStamp ===
1220 +
1221 +
1222 +SDI-12-LB uses Unix TimeStamp format based on
1223 +
1224 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="image-20220523001219-11.png"]]
1225 +
1226 +
1227 +User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
1228 +
1229 +Below is the converter example
1230 +
1231 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="image-20220523001219-12.png"]]
1232 +
1233 +So, we can use AT+TIMESTAMP=1742889625 or downlink 3067E26299 to set the current time 2025 – March ~-~- 25 Tuesday  08:00:25
1234 +
1235 +
1236 +=== 2.9.3 Set Device Time ===
1237 +
1238 +
1239 +(((
1240 +(% style="color:blue" %)**There are two ways to set device's time:**
1241 +)))
1242 +
1243 +(((
1244 +**1.  Through LoRaWAN MAC Command (Default settings)**
1245 +)))
1246 +
1247 +(((
1248 +User need to set SYNCMOD=1 to enable sync time via MAC command.
1249 +)))
1250 +
1251 +(((
1252 +Once SDI-12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to SDI-12-LB. If SDI-12-LB fails to get the time from the server, SDI-12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
1253 +)))
1254 +
1255 +(((
1256 +(% 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.**
1257 +)))
1258 +
1259 +
1260 +(((
1261 +**2. Manually Set Time**
1262 +)))
1263 +
1264 +(((
1265 +User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
1266 +)))
1267 +
1268 +
1269 +=== 2.9.4 Poll sensor value ===
1270 +
1271 +
1272 +User can poll sensor value based on timestamps from the server. Below is the downlink command.
1273 +
1274 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:438.778px" %)
1275 +|(% style="background-color:#4f81bd; color:white; width:59px" %)**1byte**|(% style="background-color:#4f81bd; color:white; width:123px" %)**4bytes**|(% style="background-color:#4f81bd; color:white; width:114px" %)**4bytes**|(% style="background-color:#4f81bd; color:white; width:142.778px" %)**1byte**
1276 +|(% style="width:58px" %)31|(% style="width:123px" %)Timestamp start|(% style="width:114px" %)Timestamp end|(% style="width:137px" %)(((
1277 +Uplink Interval(range 5~~255s)
1278 +)))
1279 +
1280 +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.
1281 +
1282 +For example, downlink command (% _mstmutation="1" %)**31 68253B6E 68253E23 05**(%%)
1283 +
1284 +Is to check 2025/05/15 00:55:10 to 2025/05/15 01:06:43's data
1285 +
1286 +Uplink Internal =5s, means SDI-12-LB will send one packet every 5s.
1287 +
1288 +
1289 +=== 2.9.5 Datalog Uplink payload ===
1290 +
1291 +
1292 +The Datalog poll reply uplink will use below payload format.
1293 +
1294 +**Retrieval data payload:**
1295 +
1296 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:480px" %)
1297 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
1298 +**Size(bytes)**
1299 +)))|=(% style="width: 100px; background-color: rgb(79, 129, 189); color: white;" %)**4**|=(% style="width: 100px; background-color: rgb(79, 129, 189); color: white;" %)**1**|=(% style="width: 220px; background-color: rgb(79, 129, 189); color: white;" %)**Length depends on the return from the commands**
1300 +|(% style="width:97px" %)Value|(% style="width:104px" %)Unix Time Stamp|(% style="width:109px" %)Payload Length|(% style="width:165px" %)Data returned by the sensor
1301 +
1302 +**Example:**
1303 +
1304 +If SDI-12-LB has below data inside Flash:
1305 +
1306 +(Soil sensors using the SDI-12 protocol are used for testing.)
1307 +
1308 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1309 +|=(% style="width: 88px; background-color:#4F81BD;color:white" %)Flash Add|=(% style="width: 98px; background-color: rgb(79, 129, 189); color: white;" %)**Unix Time**|=(% style="width: 82px; background-color: rgb(79, 129, 189); color: white;" %)Payload Length|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)**BAT voltage**|=(% style="width: 92px; background-color: rgb(79, 129, 189); color: white;" %)Payload Version|=(% style="width: 64px; background-color:#4F81BD;color:white" %)**Value**
1310 +|(% style="width:89px" %)(((
1311 +0001
1312 +)))|(% style="width:98px" %)(((
1313 +2025/3/25 08:09:30
1314 +)))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1315 +0c a8
1316 +)))|(% style="width:92px" %)01|(% style="width:131px" %)(((
1317 +08 21
1318 +)))
1319 +|(% style="width:89px" %)0002|(% style="width:98px" %)(((
1320 +2025/3/25 08:10:30
1321 +)))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1322 +0c ae
1323 +)))|(% style="width:92px" %)01|(% style="width:131px" %)(((
1324 +08 22
1325 +)))
1326 +|(% style="width:89px" %)0003|(% style="width:98px" %)(((
1327 +2025/3/25 08:11:30
1328 +)))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1329 +|(% style="width:89px" %)0004|(% style="width:98px" %)(((
1330 +2025/3/25 08:12:30
1331 +)))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1332 +|(% style="width:89px" %)0005|(% style="width:98px" %)(((
1333 +2025/3/25 08:13:30
1334 +)))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1335 +0c b4
1336 +)))|(% style="width:92px" %)01|(% style="width:131px" %)08 23
1337 +|(% style="width:89px" %)0006|(% style="width:98px" %)(((
1338 +2025/3/25 08:14:30
1339 +)))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1340 +|(% style="width:89px" %)0007|(% style="width:98px" %)(((
1341 +2025/3/25 08:15:30
1342 +)))|(% style="width:82px" %)5|(% style="width:86px" %)0c b4|(% style="width:92px" %)01|(% style="width:131px" %)08 23
1343 +|(% style="width:89px" %)0008|(% style="width:98px" %)(((
1344 +2025/3/25 08:16:30
1345 +)))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1346 +
1347 +If user sends below downlink command: (% style="background-color:yellow" %)3168253B6E68253E2305
1348 +
1349 +Where : Start time: (% _mstmutation="1" %)68253B6E (%%)= time 2025/05/15 00:55:10
1350 +
1351 + Stop time: (% _mstmutation="1" %)68253E23 (%%)= time 2025/05/15 01:06:43
1352 +
1353 +
1354 +**SDI-12-LB will uplink this payload.**
1355 +
1356 +**68253B6E 12 0C7801F10D302B312E31372B32362E390D0A **68253C5D120C7801F10D302B312E31372B32372E340D0A68253D33120C7201F10D302B312E31352B32382E390D0A68253DAB120C7201F10D302B312E31342B32392E340D0A68253E23120C7201F10D302B312E31332B33302E300D0A
1357 +
1358 +
1359 +Where the first 23 bytes is for the first entry:
1360 +
1361 +**68253B6E 12 0C7801F10D302B312E31372B32362E390D0A**
1362 +
1363 +Unix Time Stamp: 68253B6E(H)=1747270510(D)  ~-~->  time=2025-05-15 8:55:00
1364 +
1365 +Payload Length: 0x12(H)=18 bytes
1366 +
1367 +Battery voltage: 0x0C78(H)=3192 mV
1368 +
1369 +Payload Version:  01
1370 +
1371 +Value: For the distance sensor used for testing, this value is the mm distance value, 0xF10D302B312E31372B32362E390D0A(H)
1372 +
1373 +
1374 +
1163 1163  = 3. Configure SDI-12-LB/LS via AT Command or LoRaWAN Downlink =
1164 1164  
1165 1165  
... ... @@ -1395,6 +1395,131 @@
1395 1395  * Example 1: Downlink Payload: AE 01  ~/~/  AT+PAYVER=1
1396 1396  * Example 2: Downlink Payload: AE 05  ~/~/  AT+PAYVER=5
1397 1397  
1610 +=== 3.7 Print data entries base on page(Since v1.3.0) ===
1611 +
1612 +
1613 +Feature: Print the sector data from start page to stop page (max is 416 pages).
1614 +
1615 +(% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1616 +
1617 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1618 +|(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1619 +|(% style="width:156px" %)(((
1620 +AT+PDTA=1,2
1621 +Print page 1 to 2
1622 +)))|(% style="width:311px" %)(((
1623 +Stop Tx and RTP events when read sensor data
1624 +
1625 +8033330 2025/5/14 12:27:32 18 0c 84 01 f1 0d 30 2b 31 2e 30
1626 +
1627 +8033340 38 2b 32 34 2e 36 0d 0a
1628 +
1629 +8033350 2025/5/14 12:29:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1630 +
1631 +8033360 38 2b 32 34 2e 36 0d 0a
1632 +
1633 +8033370 2025/5/14 12:31:32 18 0c 78 01 f1 0d 30 2b 31 2e 30
1634 +
1635 +8033380 38 2b 32 34 2e 36 0d 0a
1636 +
1637 +8033390 2025/5/14 12:33:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1638 +
1639 +80333A0 38 2b 32 34 2e 36 0d 0a
1640 +
1641 +80333B0 2025/5/14 12:35:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1642 +
1643 +80333C0 38 2b 32 34 2e 36 0d 0a
1644 +
1645 +
1646 +OK
1647 +)))
1648 +
1649 +(% style="color:#4f81bd" %)**Downlink Command:**
1650 +
1651 +No downlink commands for feature
1652 +
1653 +
1654 +=== 3.8 Print last few data entries(Since v1.3.0) ===
1655 +
1656 +
1657 +Feature: Print the last few data entries
1658 +
1659 +(% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1660 +
1661 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1662 +|(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1663 +|(% style="width:156px" %)(((
1664 +AT+PLDTA=10
1665 +Print last 10 entries
1666 +)))|(% style="width:311px" %)(((
1667 +Stop Tx events when read sensor data
1668 +
1669 +0001-0002 2025/5/15 01:04:43 18 0c 72 01 f1 0d 30 2b 31 2e 31 34 2b 32 39 2e 34 0d 0a
1670 +
1671 +0003-0004 2025/5/15 01:06:43 18 0c 72 01 f1 0d 30 2b 31 2e 31 33 2b 33 30 2e 30 0d 0a
1672 +
1673 +0005-0006 2025/5/15 01:08:43 18 0c 7e 01 f1 0d 30 2b 31 2e 33 30 2b 33 30 2e 35 0d 0a
1674 +
1675 +0007-0008 2025/5/15 01:10:43 18 0c 72 01 f1 0d 30 2b 31 2e 33 30 2b 33 31 2e 30 0d 0a
1676 +
1677 +0009-0010 2025/5/15 01:12:43 18 0c 72 01 f1 0d 30 2b 31 2e 33 30 2b 33 31 2e 31 0d 0a
1678 +
1679 +Start Tx events
1680 +
1681 +OK
1682 +)))
1683 +
1684 +(% style="color:#4f81bd" %)**Downlink Command:**
1685 +
1686 +No downlink commands for feature
1687 +
1688 +
1689 +=== 3.9 Clear Flash Record(Since v1.3.0) ===
1690 +
1691 +
1692 +Feature: Clear flash storage for data log feature.
1693 +
1694 +(% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1695 +
1696 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:503px" %)
1697 +|(% style="background-color:#4f81bd; color:white; width:157px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:137px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:209px" %)**Response**
1698 +|(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
1699 +Clear all stored sensor data…
1700 +
1701 +OK
1702 +)))
1703 +
1704 +(% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1705 +
1706 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1707 +
1708 +
1709 +
1710 +== 3.10 SDI12 timing(Since v1.3.0) ==
1711 +
1712 +
1713 +Feature: Get or set the time of SDI12 timing.
1714 +
1715 +[[image:1747289896656-580.png||height="414" width="566"]]
1716 +
1717 +(% style="color:#4f81bd" %)**AT Command: AT+SDITIMING**
1718 +
1719 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:503px" %)
1720 +|(% style="background-color:#4f81bd; color:white; width:157px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:167px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:177px" %)**Response**
1721 +|(% style="width:155px" %)(((
1722 +AT+SDITIMING=13,9
1723 +
1724 +
1725 +)))|(% style="width:167px" %)Get or set the time of SDI12 timing|(% style="width:177px" %)(((
1726 +OK
1727 +
1728 +Default: 13,9
1729 +)))
1730 +
1731 +(% style="color:#4f81bd" %)**Downlink Command: 0xA9**
1732 +
1733 +* Example: 0xA90D09  ~/~/  Same as AT+SDITIMING=13,9
1734 +
1398 1398  = 4. Battery & Power Consumption =
1399 1399  
1400 1400  
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