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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 129.1
edited by Mengting Qiu
on 2024/11/18 16:59
Change comment: There is no comment for this version
To version 90.12
edited by Xiaoling
on 2024/01/25 17:23
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.ting
1 +XWiki.Xiaoling
Content
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1 1  
2 2  
3 3  (% style="text-align:center" %)
4 -[[image:image-20240103165259-3.png||height="433" width="591"]]
4 +[[image:image-20240103165259-3.png]]
5 5  
6 6  
7 7  
... ... @@ -47,7 +47,7 @@
47 47  )))
48 48  
49 49  (((
50 -SDI-12-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%) or (% style="color:blue" %)**solar powered + Li-ion battery,**(%%) it is designed for long term use up to 5 years.
50 +SDI-12-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%) or (% style="color:blue" %)**solar powered + li-on battery**(%%) it is designed for long term use up to 5 years.
51 51  )))
52 52  
53 53  (((
... ... @@ -72,7 +72,7 @@
72 72  * Uplink on periodically
73 73  * Downlink to change configure
74 74  * 8500mAh Li/SOCl2 Battery (SDI-12-LB)
75 -* Solar panel + 3000mAh Li-ion battery (SDI-12-LS)
75 +* Solar panel + 3000mAh Li-on battery (SDI-12-LS)
76 76  
77 77  == 1.3 Specification ==
78 78  
... ... @@ -151,7 +151,7 @@
151 151  (% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
152 152  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
153 153  )))
154 -|(% 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 SDI-12-LB/LS is in Deep Sleep Mode.
154 +|(% 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 PS-LB-NA is in Deep Sleep Mode.
155 155  
156 156  == 1.7 Pin Mapping ==
157 157  
... ... @@ -205,7 +205,7 @@
205 205  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
206 206  
207 207  
208 -[[image:image-20230201090528-5.png||_mstalt="430300" height="442" width="1056"]]
208 +[[image:image-20230201090528-5.png||_mstalt="430300" height="465" width="1111"]]
209 209  
210 210  
211 211  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
... ... @@ -218,54 +218,39 @@
218 218  [[image:image-20230426084456-1.png||height="241" width="519"]]
219 219  
220 220  
221 -User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
221 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
222 222  
223 -* **Create the application.**
224 224  
225 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111048-1.png?width=1001&height=183&rev=1.1||alt="image-20240907111048-1.png"]]
224 +(% style="color:blue" %)**Register the device**
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-20240907111305-2.png?width=1000&height=572&rev=1.1||alt="image-20240907111305-2.png"]]
226 +[[image:1675213652444-622.png||_mstalt="293657"]]
228 228  
229 229  
229 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
230 230  
231 -* **Add devices to the created Application.**
232 232  
233 -[[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"]]
232 +[[image:1675213661769-223.png||_mstalt="295217"]]
234 234  
235 -[[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"]]
236 236  
235 +(% style="color:blue" %)**Add APP EUI in the application**
237 237  
238 -* **Enter end device specifics manually.**
239 239  
240 -[[image:image-20241118164859-1.png||height="561" width="642"]]
238 +[[image:1675213675852-577.png||_mstalt="297947"]]
241 241  
242 -[[image:image-20241118165221-2.png||height="426" width="630"]]
243 243  
241 +(% style="color:blue" %)**Add APP KEY**
244 244  
243 +[[image:1675213686734-883.png||_mstalt="298064"]]
245 245  
246 246  
246 +(% style="color:blue" %)**Step 2**(%%): Activate on SDI-12-LB/LS
247 247  
248 -(% style="color:blue" %)**Step 2: **(%%)Add decoder
249 249  
250 -While using TTN network, you can add the payload format to decode the payload.
251 -
252 -There is no fix payload decoder in LoRaWAN server because the SDI-12 sensors returns are different. User need to write the decoder themselves for their case.
253 -
254 -SDI-12-LB/LS TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
255 -
256 -Below is TTN screen shot:
257 -
258 -[[image:image-20241118165746-3.png||height="470" width="869"]]
259 -
260 -[[image:image-20241118165832-4.png||height="336" width="724"]]
261 -
262 -
263 -(% style="color:blue" %)**Step 3**(%%): Activate on SDI-12-LB/LS
264 -
265 265  Press the button for 5 seconds to activate the SDI-12-LB/LS.
266 266  
267 267  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode** (%%)for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
268 268  
253 +
269 269  [[image:1675213704414-644.png||_mstalt="293748"]]
270 270  
271 271  
... ... @@ -274,16 +274,7 @@
274 274  
275 275  User need to configure SDI-12-LB/LS to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
276 276  
277 -If you use UART to connect a computer, refer to the following connection methods:
278 278  
279 -[[image:image-20240823165402-1.jpeg||height="488" width="678"]]
280 -
281 -Screenshot example:
282 -
283 -[[image:image-20240823165526-2.png||height="489" width="690"]]
284 -
285 -
286 -
287 287  === 2.3.1 Basic SDI-12 debug command ===
288 288  
289 289  
... ... @@ -550,8 +550,8 @@
550 550  For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
551 551  
552 552  
553 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
554 -|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**AT+DATACUT1 value**|=(% style="width: 346px;background-color:#4F81BD;color:white" %)**Final Result to combine Payload**
529 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530 +|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**AT+DATACUT1 value**|=(% style="width: 344px;background-color:#4F81BD;color:white" %)**Final Result to combine Payload**
555 555  |(% style="background-color:#f2f2f2; width:164px" %)34,1,1+2+3|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33
556 556  |(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~8+12~~16|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
557 557  |(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~34|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 20 20 20 54 45 52 31 32 20 31 31 32 54 31 32 2D 30 30 30 32 34 38 39 35 0D 0A
... ... @@ -620,6 +620,7 @@
620 620  If AT+ALLDATAMOD=1, (% style="color:#4f81bd" %)**FX,X**(%%) will be added in the payload, FX specify which command is used and X specify the length of return. for example in above screen, F1 05 means the return is from AT+COMMAND1 and the return is 5 bytes.
621 621  
622 622  
599 +
623 623  (% style="color:blue" %)**Compose Uplink**
624 624  
625 625  (% style="color:#4f81bd" %)**AT+DATAUP=0**
... ... @@ -670,7 +670,7 @@
670 670  
671 671  Users can also use the downlink command(0x26 01) to ask SDI-12-LB/LS to resend this uplink.
672 672  
673 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
650 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
674 674  |(% colspan="6" style="background-color:#4f81bd; color:white" %)**Device Status (FPORT=5)**
675 675  |(% style="background-color:#f2f2f2; width:103px" %)**Size (bytes)**|(% style="background-color:#f2f2f2; width:72px" %)**1**|(% style="background-color:#f2f2f2" %)**2**|(% style="background-color:#f2f2f2; width:91px" %)**1**|(% style="background-color:#f2f2f2; width:86px" %)**1**|(% style="background-color:#f2f2f2; width:44px" %)**2**
676 676  |(% style="background-color:#f2f2f2; width:103px" %)**Value**|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
... ... @@ -742,7 +742,7 @@
742 742  
743 743  * Periodically Uplink: FPORT=2
744 744  
745 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
722 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
746 746  |=(% style="width: 90px;background-color:#4F81BD;color:white" %)(((
747 747  **Size(bytes)**
748 748  )))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 240px;background-color:#4F81BD;color:white" %)**Length depends on the return from the commands**
... ... @@ -852,27 +852,27 @@
852 852  (% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
853 853  
854 854  
855 -(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor:**
832 +(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor：**
856 856  
857 857  a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
858 858  
859 859  Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**(% style="color:#037691" %);
860 860  
861 -b. The sixth reply, all 31 characters: "1+19210+1.04+0.00+22.49+11.75<CR><LF>"
838 +b. The sixth reply, all 31 characters：”1+19210+1.04+0.00+22.49+11.75<CR><LF>”
862 862  
863 863  Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
864 864  
865 -c. The eighth reply, all 31 characters: "2+18990+1.08+0.00+22.24+11.80<CR><LF>"
842 +c. The eighth reply, all 31 characters：”2+18990+1.08+0.00+22.24+11.80<CR><LF>”
866 866  
867 867  Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
868 868  
869 -d. The tenth reply, all 15 characters: "3-2919.8+24.0<CR><LF>"
846 +d. The tenth reply, all 15 characters：”3-2919.8+24.0<CR><LF>”
870 870  
871 871  Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**(% style="color:#037691" %);
872 872  
873 -e. The twelfth reply, all 25 characters: "4+30.8+22.84+4.7+954.38<CR><LF>"
850 +e. The twelfth reply, all 25 characters：”4+30.8+22.84+4.7+954.38<CR><LF>”
874 874  
875 -Partial cut, the cut sensor address and the first two parameters:(% style="color:#037691" %)**AT+DATACUTx=25,2,1~~12, cut out the character field "4+30.8+22.84"**.
852 +Partial cut, the cut sensor address and the first two parameters：(% style="color:#037691" %)**AT+DATACUTx=25,2,1~~12, cut out the character field ” 4+30.8+22.84”**.
876 876  
877 877  
878 878  === 2.6.2 Example 2 ~-~- Connect to Hygrovue10 ===
... ... @@ -956,6 +956,7 @@
956 956  [[image:image-20230603121826-11.png||height="155" width="1104"]]
957 957  
958 958  
936 +
959 959  === 2.6.4 Example 4 ~-~- Connect to TEROS-12 ===
960 960  
961 961  ==== 2.6.4.1 Reference Manual and Command ====
... ... @@ -1058,6 +1058,7 @@
1058 1058  [[image:image-20230627174446-2.png]]
1059 1059  
1060 1060  
1039 +
1061 1061  ==== 2.6.6.3 Commands set in SDI-12-LB/LS and uplink payload ====
1062 1062  
1063 1063  
... ... @@ -1071,85 +1071,6 @@
1071 1071  [[image:image-20230627180303-6.png||height="292" width="1171"]]
1072 1072  
1073 1073  
1074 -=== 2.6.7 Example 7 ~-~- Connect to GroPoint Profile-8 (SDI-12 Version) ===
1075 -
1076 -==== 2.6.7.1  Reference Manual and Command ====
1077 -
1078 -
1079 -* [[https:~~/~~/static1.squarespace.com/static/5db0b690c4990258f8f6d042/t/64189e1ab3ebc54e6947b0c0/1679334941034/2625-N-T+GroPoint+Profile+User+Manual-V1.1.3.pdf>>https://static1.squarespace.com/static/5db0b690c4990258f8f6d042/t/64189e1ab3ebc54e6947b0c0/1679334941034/2625-N-T+GroPoint+Profile+User+Manual-V1.1.3.pdf]]
1080 -
1081 -* Commands to be used in PC and output.
1082 -
1083 -1. check device address
1084 -1. change device address
1085 -1. check device ID
1086 -1. start measure
1087 -1. Get Meausre result
1088 -
1089 -[[image:image-20240423143921-1.png]]
1090 -
1091 -
1092 -==== 2.6.7.2 Hardware Connection to SDI-12-LB/LS ====
1093 -
1094 -
1095 -(% style="color:red" %)**Note: When the bytes returned by the sensor are not fixed, the full byte interception can be used: AT+ALLDATAMOD=1 (The DATACUTx parameter needs to be cleared when using this directive, or it will not work.)**
1096 -
1097 -[[image:image-20240423145522-2.png||height="345" width="400"]]
1098 -
1099 -
1100 -==== 2.6.7.3 Commands set in SDI-12-LB/LS and uplink payload ====
1101 -
1102 -[[image:image-20240423151202-3.png]]
1103 -
1104 -(% class="wikigeneratedid" id="H" %)
1105 -[[image:image-20240423162851-6.png||height="251" width="935"]]
1106 -
1107 -
1108 -DATA in TTN:
1109 -
1110 -[[image:image-20240423162322-4.png||height="269" width="933"]]
1111 -
1112 -
1113 -=== 2.6.8 Example 8 ~-~- Connect to Acclima TDR Soil Moisture Sensor ===
1114 -
1115 -==== 2.6.8.1  Reference Manual and Command ====
1116 -
1117 -
1118 -* [[Acclima TDR Soil Moisture Sensor User Manual>>url:https://acclima.com/tdr-soil-moisture-sensor-user-manual/]]
1119 -
1120 -* Commands to be used in PC and output.
1121 -
1122 -1. check device address
1123 -1. change device address
1124 -1. check device ID
1125 -1. start measure
1126 -1. Get Meausre result
1127 -
1128 -[[image:image-20240903152650-3.png]]
1129 -
1130 -[[image:image-20240903152627-2.png]]
1131 -
1132 -
1133 -==== 2.6.8.2 Hardware Connection to SDI-12-LB/LS ====
1134 -
1135 -
1136 -(% style="color:red" %)**Note: When the bytes returned by the sensor are not fixed, the full byte interception can be used: AT+ALLDATAMOD=1 (The DATACUTx parameter needs to be cleared when using this directive, or it will not work.)**
1137 -
1138 -[[image:image-20240903153004-5.png||height="358" width="660"]]
1139 -
1140 -
1141 -==== 2.6.8.3 Commands set in SDI-12-LB/LS and uplink payload ====
1142 -
1143 -
1144 -[[image:image-20240903153258-6.png]]
1145 -
1146 -[[image:image-20240903153627-7.png]]
1147 -
1148 -DATA in TTN:
1149 -
1150 -[[image:image-20240903154020-10.png||height="467" width="961"]]
1151 -
1152 -
1153 1153  == 2.7 Frequency Plans ==
1154 1154  
1155 1155  
... ... @@ -1200,7 +1200,7 @@
1200 1200  
1201 1201  (% style="color:blue" %)**AT Command: AT+TDC**
1202 1202  
1203 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1103 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1204 1204  |=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Response**
1205 1205  |(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
1206 1206  30000
... ... @@ -1228,7 +1228,7 @@
1228 1228  
1229 1229  (% style="color:blue" %)**AT Command: AT+INTMOD**
1230 1230  
1231 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1131 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1232 1232  |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Response**
1233 1233  |(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
1234 1234  0
... ... @@ -1259,7 +1259,7 @@
1259 1259  
1260 1260  (% style="color:blue" %)**AT Command: AT+3V3T**
1261 1261  
1262 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:474px" %)
1162 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:474px" %)
1263 1263  |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 201px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 120px;background-color:#4F81BD;color:white" %)**Response**
1264 1264  |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
1265 1265  0
... ... @@ -1330,7 +1330,7 @@
1330 1330  
1331 1331  (% style="color:blue" %)**AT Command: AT+ALLDATAMOD**
1332 1332  
1333 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:437px" %)
1233 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1334 1334  |=(% style="background-color:#4F81BD;color:white" %)**Command Example**|=(% style="background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1335 1335  |(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=?|(% style="background-color:#f2f2f2" %)Show current all data mode|(% style="background-color:#f2f2f2" %)(((
1336 1336  0
... ... @@ -1352,7 +1352,7 @@
1352 1352  
1353 1353  (% style="color:blue" %)**AT Command: AT+DATAUP**
1354 1354  
1355 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1255 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1356 1356  |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 266px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1357 1357  |(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =?|(% style="background-color:#f2f2f2; width:266px" %)Show current splicing payload for uplink mode|(% style="background-color:#f2f2f2" %)(((
1358 1358  0
... ... @@ -1386,7 +1386,7 @@
1386 1386  
1387 1387  (% style="color:blue" %)**AT Command: AT+PAYVER**
1388 1388  
1389 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:437px" %)
1289 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1390 1390  |=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 192px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1391 1391  |(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=?|(% style="background-color:#f2f2f2; width:192px" %)Show current payload version|(% style="background-color:#f2f2f2" %)(((
1392 1392  1
... ... @@ -1450,30 +1450,6 @@
1450 1450  When downloading the images, choose the required image file for download. ​
1451 1451  
1452 1452  
1453 -== 7.4 Why is the data uploaded to the LoRaWAN platform node empty and fProt~=0? ==
1454 -
1455 -
1456 -This is due to The length of bytes sent by the node is limited by the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1457 -
1458 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1459 -
1460 -[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1461 -
1462 -Example:
1463 -
1464 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20240620145456-1.png?rev=1.1||alt="image-20240620145456-1.png"]]
1465 -
1466 -Please refer to the following command to fix DR
1467 -
1468 -AT+ADR=0
1469 -
1470 -AT+DR=3
1471 -
1472 -Downlink command:
1473 -
1474 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1475 -
1476 -
1477 1477  = 8. ​Order Info =
1478 1478  
1479 1479  
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