Last modified by Bei Jinggeng on 2024/05/31 09:53
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From version < 100.1 >
edited by Xiaoling
on 2022/07/11 14:11
To version < 100.2 >
edited by Xiaoling
on 2022/08/08 16:01
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Summary

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Content
... ... @@ -56,6 +56,7 @@
56 56  
57 57  == 1.2 ​ Features ==
58 58  
59 +
59 59  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
60 60  * Ultra low power consumption
61 61  * Distance Detection by Ultrasonic technology
... ... @@ -73,6 +73,7 @@
73 73  
74 74  == 1.3  Specification ==
75 75  
77 +
76 76  (% style="color:#037691" %)**Common DC Characteristics:**
77 77  
78 78  * Supply Voltage: 2.1v ~~ 3.6v
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104 104  
105 105  == ​1.4  Applications ==
106 106  
109 +
107 107  * Smart Buildings & Home Automation
108 108  * Logistics and Supply Chain Management
109 109  * Smart Metering
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126 126  
127 127  == 2.1  How it works ==
128 128  
132 +
129 129  (((
130 130  The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
131 131  )))
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151 151  
152 152  === 2.2.1 Test Requirement ===
153 153  
158 +
154 154  (((
155 155  To use NDDS75 in your city, make sure meet below requirements:
156 156  )))
... ... @@ -160,7 +160,7 @@
160 160  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
161 161  
162 162  (((
163 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
168 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server.
164 164  )))
165 165  
166 166  
... ... @@ -170,6 +170,7 @@
170 170  
171 171  === 2.2.2 Insert SIM card ===
172 172  
178 +
173 173  (((
174 174  Insert the NB-IoT Card get from your provider.
175 175  )))
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185 185  
186 186  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
187 187  
194 +
188 188  (((
189 189  (((
190 190  User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
... ... @@ -224,9 +224,10 @@
224 224  
225 225  === 2.2.4 Use CoAP protocol to uplink data ===
226 226  
227 -(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
228 228  
235 +(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)**[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]**
229 229  
237 +
230 230  (((
231 231  **Use below commands:**
232 232  )))
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308 308  
309 309  === 2.2.8 Change Update Interval ===
310 310  
319 +
311 311  User can use below command to change the (% style="color:green" %)**uplink interval**.
312 312  
313 313  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
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317 317  )))
318 318  
319 319  (((
320 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
321 321  )))
322 322  
323 323  
... ... @@ -324,6 +324,7 @@
324 324  
325 325  == 2.3  Uplink Payload ==
326 326  
336 +
327 327  In this mode, uplink payload includes in total 14 bytes
328 328  
329 329  
... ... @@ -377,6 +377,7 @@
377 377  
378 378  === 2.4.1  Device ID ===
379 379  
390 +
380 380  (((
381 381  By default, the Device ID equal to the last 6 bytes of IMEI.
382 382  )))
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401 401  
402 402  === 2.4.2  Version Info ===
403 403  
415 +
404 404  (((
405 405  Specify the software version: 0x64=100, means firmware version 1.00.
406 406  )))
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413 413  
414 414  === 2.4.3  Battery Info ===
415 415  
428 +
416 416  (((
417 417  Ex1: 0x0B45 = 2885mV
418 418  )))
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425 425  
426 426  === 2.4.4  Signal Strength ===
427 427  
441 +
428 428  (((
429 429  NB-IoT Network signal Strength.
430 430  )))
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457 457  
458 458  === 2.4.5  Distance ===
459 459  
474 +
460 460  Get the distance. Flat object range 280mm - 7500mm.
461 461  
462 462  (((
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479 479  
480 480  === 2.4.6  Digital Interrupt ===
481 481  
497 +
482 482  (((
483 483  Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
484 484  )))
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513 513  
514 514  === 2.4.7  ​+5V Output ===
515 515  
532 +
516 516  (((
517 517  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
518 518  )))
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534 534  
535 535  == 2.5  Downlink Payload ==
536 536  
554 +
537 537  By default, NDDS75 prints the downlink payload to console port.
538 538  
539 539  [[image:image-20220709100028-1.png]]
... ... @@ -648,6 +648,7 @@
648 648  
649 649  === 2.8.2  Power consumption Analyze ===
650 650  
669 +
651 651  (((
652 652  Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
653 653  )))
... ... @@ -686,6 +686,7 @@
686 686  
687 687  === 2.8.3  ​Battery Note ===
688 688  
708 +
689 689  (((
690 690  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
691 691  )))
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694 694  
695 695  === 2.8.4  Replace the battery ===
696 696  
717 +
697 697  (((
698 698  The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
699 699  )))
... ... @@ -702,6 +702,7 @@
702 702  
703 703  = 3. ​ Access NB-IoT Module =
704 704  
726 +
705 705  (((
706 706  Users can directly access the AT command set of the NB-IoT module.
707 707  )))
... ... @@ -718,6 +718,7 @@
718 718  
719 719  == 4.1  Access AT Commands ==
720 720  
743 +
721 721  See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
722 722  
723 723  
... ... @@ -806,7 +806,7 @@
806 806  )))
807 807  
808 808  (((
809 -(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
832 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
810 810  )))
811 811  
812 812  
... ... @@ -828,6 +828,7 @@
828 828  
829 829  == 6.2  AT Command input doesn't work ==
830 830  
854 +
831 831  (((
832 832  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
833 833  
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877 877  
878 878  = 9.  Support =
879 879  
904 +
880 880  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
881 881  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]

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