Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 108.23 >
edited by Xiaoling
on 2024/01/19 17:49
To version < 111.1
edited by Bei Jinggeng
on 2024/05/31 09:53
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 +
2 +
1 1  (% style="text-align:center" %)
2 -[[image:image-20220709085040-1.png||height="542" width="524"]]
4 +[[image:image-20220709085040-1.png||_mstalt="429481" height="542" width="524"]]
3 3  
4 4  
5 5  
... ... @@ -50,7 +50,7 @@
50 50  
51 51  )))
52 52  
53 -[[image:1657327959271-447.png]]
55 +[[image:1657327959271-447.png||_mstalt="297700"]]
54 54  
55 55  
56 56  == 1.2 ​ Features ==
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116 116  == 1.5  Pin Definitions ==
117 117  
118 118  
119 -[[image:1657328609906-564.png]]
121 +[[image:1657328609906-564.png||_mstalt="297440"]]
120 120  
121 121  
122 122  = 2.  Use NDDS75 to communicate with IoT Server =
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137 137  
138 138  )))
139 139  
140 -[[image:1657328659945-416.png]]
142 +[[image:1657328659945-416.png||_mstalt="297999"]]
141 141  
142 142  (((
143 143  
... ... @@ -161,7 +161,7 @@
161 161  )))
162 162  
163 163  
164 -[[image:1657328756309-230.png]]
166 +[[image:1657328756309-230.png||_mstalt="294515"]]
165 165  
166 166  
167 167  === 2.2.2 Insert SIM card ===
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175 175  User need to take out the NB-IoT module and insert the SIM card like below:
176 176  )))
177 177  
178 -[[image:1657328884227-504.png]]
180 +[[image:1657328884227-504.png||_mstalt="295776"]]
179 179  
180 180  
181 181  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
... ... @@ -187,7 +187,7 @@
187 187  )))
188 188  )))
189 189  
190 -[[image:image-20220709092052-2.png]]
192 +[[image:image-20220709092052-2.png||_mstalt="430235"]]
191 191  
192 192  
193 193  (% style="color:blue" %)**Connection:**
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211 211  Make sure the switch is in FLASH position, then power on device by connecting the jumper on NDDS75. NDDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
212 212  )))
213 213  
214 -[[image:1657329814315-101.png]]
216 +[[image:1657329814315-101.png||_mstalt="292084"]]
215 215  
216 216  
217 217  (((
... ... @@ -247,7 +247,7 @@
247 247  
248 248  )))
249 249  
250 -[[image:1657330452568-615.png]]
252 +[[image:1657330452568-615.png||_mstalt="295555"]]
251 251  
252 252  
253 253  (((
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254 254  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
255 255  )))
256 256  
257 -[[image:1657330472797-498.png]]
259 +[[image:1657330472797-498.png||_mstalt="299481"]]
258 258  
259 259  
260 260  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
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262 262  
263 263  * (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
264 264  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
265 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
266 266  
267 -[[image:1657330501006-241.png]]
268 +[[image:1657330501006-241.png||_mstalt="290121"]]
268 268  
269 269  
270 -[[image:1657330533775-472.png]]
271 +[[image:1657330533775-472.png||_mstalt="295763"]]
271 271  
272 272  
273 273  === 2.2.6 Use MQTT protocol to uplink data ===
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281 281  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
282 282  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
283 283  
284 -[[image:1657249978444-674.png]]
285 +[[image:1657249978444-674.png||_mstalt="299377"]]
285 285  
286 286  
287 -[[image:1657330723006-866.png]]
288 +[[image:1657330723006-866.png||_mstalt="294996"]]
288 288  
289 289  
290 290  (((
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298 298  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
299 299  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
300 300  
301 -[[image:image-20220709093918-1.png]]
302 +[[image:image-20220709093918-1.png||_mstalt="433706"]]
302 302  
303 303  
304 -[[image:image-20220709093918-2.png]]
305 +[[image:image-20220709093918-2.png||_mstalt="434070"]]
305 305  
306 306  
307 307  === 2.2.8 Change Update Interval ===
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342 342  )))
343 343  
344 344  
345 -[[image:1657331036973-987.png]]
346 +[[image:1657331036973-987.png||_mstalt="298740"]]
346 346  
347 347  
348 348  The payload is **ASCII** string, representative same HEX:
... ... @@ -371,12 +371,12 @@
371 371  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
372 372  
373 373  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:490px" %)
374 -|(% style="background-color:#4F81BD;color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white; width:40px" %)**8**|(% style="background-color:#4F81BD;color:white; width:25px" %)**2**|(% style="background-color:#4F81BD;color:white; width:25px" %)**2**|(% style="background-color:#4F81BD;color:white; width:60px" %)**1**|(% style="background-color:#4F81BD;color:white; width:25px" %)**1**|(% style="background-color:#4F81BD;color:white; width:40px" %)**1**|(% style="background-color:#4F81BD;color:white; width:40px" %)**2**|(% style="background-color:#4F81BD;color:white; width:70px" %)**4**|(% style="background-color:#4F81BD;color:white; width:40px" %)**2**|(% style="background-color:#4F81BD;color:white; width:60px" %)**4**
375 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**8**|(% style="background-color:#4f81bd; color:white; width:25px" %)**2**|(% style="background-color:#4f81bd; color:white; width:25px" %)**2**|(% style="background-color:#4f81bd; color:white; width:60px" %)**1**|(% style="background-color:#4f81bd; color:white; width:25px" %)**1**|(% style="background-color:#4f81bd; color:white; width:40px" %)**1**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**4**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:65px" %)**4**
375 375  |(% style="width:95px" %)Value|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
376 376  
377 377  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
378 378  
379 -[[image:image-20220908175246-1.png]]
380 +[[image:image-20220908175246-1.png||_mstalt="432328"]]
380 380  
381 381  
382 382  The payload is ASCII string, representative same HEX:
... ... @@ -399,7 +399,7 @@
399 399  
400 400  * (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
401 401  
402 -* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
403 +* (% _mstmutation="1" style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/||_mstmutation="1"]])
403 403  
404 404  * (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
405 405  
... ... @@ -572,8 +572,8 @@
572 572  
573 573  By default, NDDS75 prints the downlink payload to console port.
574 574  
575 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:520px" %)
576 -|(% style="background-color:#4F81BD;color:white; width:208px" %)**Downlink Control Type**|(% style="background-color:#4F81BD;color:white; width:56px" %)**FPort**|(% style="background-color:#4F81BD;color:white; width:100px" %)**Type Code**|(% style="background-color:#4F81BD;color:white; width:154px" %)**Downlink payload size(bytes)**
576 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
577 +|(% style="background-color:#4f81bd; color:white; width:208px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:56px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:100px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:151px" %)**Downlink payload size(bytes)**
577 577  |(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
578 578  |(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
579 579  |(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
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651 651  
652 652   The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
653 653  
654 -[[image:image-20221009001114-1.png||height="687" width="955"]]
655 +[[image:image-20221009001114-1.png||_mstalt="425269" height="687" width="955"]]
655 655  
656 656  
657 657  == 2.8  Read or Clear cached data ==
... ... @@ -662,7 +662,7 @@
662 662  * (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
663 663  * (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
664 664  
665 -[[image:image-20220908175333-2.png]]
666 +[[image:image-20220908175333-2.png||_mstalt="431665"]]
666 666  
667 667  
668 668  == 2.9  ​LED Indicator ==
... ... @@ -709,12 +709,12 @@
709 709  )))
710 710  
711 711  (((
712 -The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
713 +The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/||_mstmutation="1"]] 
713 713  
714 714  
715 715  )))
716 716  
717 -[[image:1657333200519-600.png]]
718 +[[image:1657333200519-600.png||_mstalt="291603"]]
718 718  
719 719  
720 720  = 4.  Using the AT Commands =
... ... @@ -786,11 +786,7 @@
786 786  AT+URI            :  Resource parameters
787 787  
788 788  
789 -(% style="color:#037691" %)**UDP Management**
790 790  
791 -AT+CFM          :  Upload confirmation mode (only valid for UDP)
792 -
793 -
794 794  (% style="color:#037691" %)**MQTT Management**
795 795  
796 796  AT+CLIENT  :  Get or Set MQTT client
... ... @@ -857,6 +857,27 @@
857 857  This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
858 858  
859 859  
857 +== 6.4 Why does the DDS75 sensor keep flashing blue? ==
858 +
859 +This is caused by the incompatibility between the latest firmware and the hardware.
860 +
861 +Please check your hardware production date
862 +
863 +The first two digits are the week of the year, and the last two digits are the year.
864 +
865 +The number 3322 is the first batch we changed the power IC.
866 +
867 +As shown below:
868 +
869 + [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20240531090837-1.png?rev=1.1||_mstalt="431418" alt="image-20240531090837-1.png"]]
870 +
871 +Have you updated the Lora ST's firmware? Please send downline 26 01 to check the version number.
872 +
873 +If it is v1.4.1 version, please modify a value according to the above four digits, the AT command is AT+POWERIC. The date after 3322 is AT+POWERIC=1, and the date before it is AT+POWERIC=0.
874 +
875 +Downlink is FF 01(AT+POWERIC=1);FF 00(AT+POWERIC=0).
876 +
877 +
860 860  = 7. ​ Order Info =
861 861  
862 862  

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