Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.David

Content

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16	16
17	17	= 1.  Introduction =
18	18
	19	+
19	19	== 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20	20
21	21	(((
...	...	@@ -53,6 +53,7 @@
53	53	[[image:1657327959271-447.png]]
54	54
55	55
	57	+
56	56	== 1.2 ​ Features ==
57	57
58	58
...	...	@@ -80,12 +80,12 @@
80	80
81	81	(% style="color:#037691" %)**NB-IoT Spec:**
82	82
83		-* B1 @H-FDD: 2100MHz
84		-* B3 @H-FDD: 1800MHz
85		-* B8 @H-FDD: 900MHz
86		-* B5 @H-FDD: 850MHz
87		-* B20 @H-FDD: 800MHz
88		-* B28 @H-FDD: 700MHz
	85	+* - B1 @H-FDD: 2100MHz
	86	+* - B3 @H-FDD: 1800MHz
	87	+* - B8 @H-FDD: 900MHz
	88	+* - B5 @H-FDD: 850MHz
	89	+* - B20 @H-FDD: 800MHz
	90	+* - B28 @H-FDD: 700MHz
89	89
90	90	(% style="color:#037691" %)**Battery:**
91	91
...	...	@@ -115,6 +115,8 @@
115	115	​
116	116
117	117
	120	+
	121	+
118	118	== 1.5  Pin Definitions ==
119	119
120	120
...	...	@@ -121,8 +121,10 @@
121	121	[[image:1657328609906-564.png]]
122	122
123	123
	128	+
124	124	= 2.  Use NDDS75 to communicate with IoT Server =
125	125
	131	+
126	126	== 2.1  How it works ==
127	127
128	128
...	...	@@ -145,8 +145,10 @@
145	145
146	146	)))
147	147
	154	+
148	148	== 2.2 ​ Configure the NDDS75 ==
149	149
	157	+
150	150	=== 2.2.1 Test Requirement ===
151	151
152	152
...	...	@@ -166,6 +166,7 @@
166	166	[[image:1657328756309-230.png]]
167	167
168	168
	177	+
169	169	=== 2.2.2 Insert SIM card ===
170	170
171	171
...	...	@@ -181,6 +181,7 @@
181	181	[[image:1657328884227-504.png]]
182	182
183	183
	193	+
184	184	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
185	185
186	186
...	...	@@ -193,13 +193,13 @@
193	193	[[image:image-20220709092052-2.png]]
194	194
195	195
196		-(% style="color:blue" %)**Connection:**
	206	+**Connection:**
197	197
198		- (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
	208	+ (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
199	199
200		-**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
	210	+ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
201	201
202		-**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
	212	+ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
203	203
204	204
205	205	In the PC, use below serial tool settings:
...	...	@@ -222,6 +222,7 @@
222	222	)))
223	223
224	224
	235	+
225	225	=== 2.2.4 Use CoAP protocol to uplink data ===
226	226
227	227
...	...	@@ -236,10 +236,10 @@
236	236	(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
237	237	)))
238	238	* (((
239		-(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
	250	+(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
240	240	)))
241	241	* (((
242		-(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
	253	+(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
243	243
244	244
245	245
...	...	@@ -247,8 +247,6 @@
247	247
248	248	(((
249	249	For parameter description, please refer to AT command set
250		-
251		-
252	252	)))
253	253
254	254	[[image:1657330452568-615.png]]
...	...	@@ -257,19 +257,18 @@
257	257
258	258	(((
259	259	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.
260		-
261		-
262	262	)))
263	263
264	264	[[image:1657330472797-498.png]]
265	265
266	266
	274	+
267	267	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
268	268
269	269
270		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
271		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
272		-* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
	278	+* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
	279	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
	280	+* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
273	273
274	274	[[image:1657330501006-241.png]]
275	275
...	...	@@ -277,16 +277,17 @@
277	277	[[image:1657330533775-472.png]]
278	278
279	279
	288	+
280	280	=== 2.2.6 Use MQTT protocol to uplink data ===
281	281
282	282
283		-* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
284		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
285		-* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
286		-* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
287		-* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
288		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
289		-* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
	292	+* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
	293	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
	294	+* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
	295	+* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
	296	+* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
	297	+* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
	298	+* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
290	290
291	291	[[image:1657249978444-674.png]]
292	292
...	...	@@ -299,11 +299,12 @@
299	299	)))
300	300
301	301
	311	+
302	302	=== 2.2.7 Use TCP protocol to uplink data ===
303	303
304	304
305		-* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
306		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
	315	+* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
	316	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
307	307
308	308	[[image:image-20220709093918-1.png]]
309	309
...	...	@@ -311,42 +311,39 @@
311	311	[[image:image-20220709093918-2.png]]
312	312
313	313
	324	+
314	314	=== 2.2.8 Change Update Interval ===
315	315
316	316
317	317	User can use below command to change the (% style="color:green" %)**uplink interval**.
318	318
319		-* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
	330	+* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
320	320
321	321	(((
322		-
	333	+(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
323	323
324		-
325		-(% style="color:red" %)**NOTE:**
326		-
327		-(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
328		-
329		-(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
	335	+
330	330	)))
331	331
332		-(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
	338	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
333	333
	340	+**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
334	334
	342	+
335	335	== 2.3  Uplink Payload ==
336	336
337		-=== 2.3.1  Before Firmware v1.3.2 ===
338	338
339		-
340	340	In this mode, uplink payload includes in total 14 bytes
341	341
342		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:440px" %)
343		-|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)(((
	348	+
	349	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
	350	+|=(% style="width: 60px;" %)(((
344	344	**Size(bytes)**
345		-)))|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)**6**|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 82px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**1**
	352	+)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
346	346	|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
347	347
348	348	(((
349		-If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	356	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
350	350	)))
351	351
352	352
...	...	@@ -353,70 +353,67 @@
353	353	[[image:1657331036973-987.png]]
354	354
355	355
356		-The payload is **ASCII** string, representative same HEX:
	363	+(((
	364	+The payload is ASCII string, representative same HEX:
	365	+)))
357	357
358		-(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
	367	+(((
	368	+0x72403155615900640c6c19029200 where:
	369	+)))
359	359
360		-**where :**
	371	+* (((
	372	+Device ID: 0x724031556159 = 724031556159
	373	+)))
	374	+* (((
	375	+Version: 0x0064=100=1.0.0
	376	+)))
361	361
362		-* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
	378	+* (((
	379	+BAT: 0x0c6c = 3180 mV = 3.180V
	380	+)))
	381	+* (((
	382	+Signal: 0x19 = 25
	383	+)))
	384	+* (((
	385	+Distance: 0x0292= 658 mm
	386	+)))
	387	+* (((
	388	+Interrupt: 0x00 = 0
363	363
364		-* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
	390	+
	391	+)))
365	365
366		-* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
	393	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
367	367
368		-* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
369		-
370		-* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
371		-
372		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
373		-
374		-
375		-=== 2.3.2  Since firmware v1.3.2 ===
376		-
377		-
378	378	In this mode, uplink payload includes 69 bytes in total by default.
379	379
380	380	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.
381	381
382		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:490px" %)
383		-|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**4**
384		-|=(% 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.......
	399	+|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
	400	+|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
385	385
386	386	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
387	387
388	388	[[image:image-20220908175246-1.png]]
389	389
390		-
391	391	The payload is ASCII string, representative same HEX:
392	392
393		-**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
	408	+0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
394	394
395		-**where:**
	410	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	411	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	412	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	413	+* (% style="color:blue" %)Singal: 0x1e = 30
	414	+* (% style="color:red" %)Mod: 0x01 = 1
	415	+* Interrupt: 0x00= 0
	416	+* Distance: 0x0039= 57 = 57
	417	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	418	+* Distance,Time stamp : 00396319baf0
	419	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
396	396
397		-* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
398		-
399		-* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
400		-
401		-* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
402		-
403		-* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
404		-
405		-* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
406		-
407		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
408		-
409		-* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
410		-
411		-* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
412		-
413		-* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
414		-
415		-* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
416		-
417		-
418	418	== 2.4  Payload Explanation and Sensor Interface ==
419	419
	423	+
420	420	=== 2.4.1  Device ID ===
421	421
422	422
...	...	@@ -431,7 +431,7 @@
431	431	)))
432	432
433	433	(((
434		-(% style="color:blue" %)**Example :**
	438	+**Example:**
435	435	)))
436	436
437	437	(((
...	...	@@ -439,22 +439,20 @@
439	439	)))
440	440
441	441	(((
442		-The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
	446	+The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
443	443	)))
444	444
445	445
446		-(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
	450	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
447	447
448		-(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
	452	+By default, the Device ID equal to the last 15 bits of IMEI.
449	449
450		-User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	454	+User can use **AT+DEUI** to set Device ID
451	451
	456	+**Example:**
452	452
453		-(% style="color:blue" %)**Example :**
454		-
455	455	AT+DEUI=868411056754138
456	456
457		-
458	458	=== 2.4.2  Version Info ===
459	459
460	460
...	...	@@ -467,6 +467,7 @@
467	467	)))
468	468
469	469
	472	+
470	470	=== 2.4.3  Battery Info ===
471	471
472	472
...	...	@@ -479,6 +479,7 @@
479	479	)))
480	480
481	481
	485	+
482	482	=== 2.4.4  Signal Strength ===
483	483
484	484
...	...	@@ -511,6 +511,7 @@
511	511	)))
512	512
513	513
	518	+
514	514	=== 2.4.5  Distance ===
515	515
516	516
...	...	@@ -530,6 +530,10 @@
530	530
531	531	)))
532	532
	538	+(((
	539	+
	540	+)))
	541	+
533	533	=== 2.4.6  Digital Interrupt ===
534	534
535	535
...	...	@@ -542,7 +542,7 @@
542	542	)))
543	543
544	544	(((
545		-(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
	554	+(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
546	546	)))
547	547
548	548
...	...	@@ -564,6 +564,7 @@
564	564	)))
565	565
566	566
	576	+
567	567	=== 2.4.7  ​+5V Output ===
568	568
569	569
...	...	@@ -589,17 +589,15 @@
589	589	)))
590	590
591	591
	602	+
592	592	== 2.5  Downlink Payload ==
593	593
594	594
595	595	By default, NDDS75 prints the downlink payload to console port.
596	596
597		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
598		-|(% style="background-color:#d9e2f3; color:#0070c0; width:208px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:56px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:154px" %)**Downlink payload size(bytes)**
599		-|(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
600		-|(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
601		-|(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
	608	+[[image:image-20220709100028-1.png]]
602	602
	610	+
603	603	(((
604	604	(% style="color:blue" %)**Examples:**
605	605	)))
...	...	@@ -644,13 +644,12 @@
644	644	)))
645	645
646	646
647		-== 2.6  Distance alarm function(Since firmware v1.3.2) ==
	655	+== 2.6 Distance alarm function ==
648	648
	657	+➢ AT Command:
649	649
650		-(% style="color:blue" %)** ➢ AT Command:**
	659	+AT+ LDDSALARM=min,max
651	651
652		-(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
653		-
654	654	² When min=0, and max≠0, Alarm higher than max
655	655
656	656	² When min≠0, and max=0, Alarm lower than min
...	...	@@ -657,35 +657,28 @@
657	657
658	658	² When min≠0 and max≠0, Alarm higher than max or lower than min
659	659
	667	+Example:
660	660
661		-(% style="color:blue" %)** Example:**
	669	+AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
662	662
663		-**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
664	664
	672	+== 2.7 Set the number of data to be uploaded and the recording time ==
665	665
666		-== 2.7  Set the number of data to be uploaded and the recording time ==
	674	+➢ AT Command:
667	667
	676	+AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
668	668
669		-(% style="color:blue" %)** ➢ AT Command:**
	678	+AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
670	670
671		-* (% style="color:#037691" %)** AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
672		-* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
	680	+== 2.8 Read or Clear cached data ==
673	673
674		- The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
	682	+➢ AT Command:
675	675
676		-[[image:image-20221009001114-1.png||height="687" width="955"]]
	684	+AT+CDP ~/~/ Read cached data
677	677
678		-
679		-== 2.8  Read or Clear cached data ==
680		-
681		-
682		-(% style="color:blue" %)** ➢ AT Command:**
683		-
684		-* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
685		-* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
686		-
687	687	[[image:image-20220908175333-2.png]]
688	688
	688	+AT+CDP=0 ~/~/ Clear cached data
689	689
690	690	== 2.9  ​LED Indicator ==
691	691
...	...	@@ -703,6 +703,7 @@
703	703	)))
704	704
705	705
	706	+
706	706	== 2.10  ​Firmware Change Log ==
707	707
708	708
...	...	@@ -711,18 +711,100 @@
711	711	)))
712	712
713	713	(((
	715	+
	716	+)))
	717	+
	718	+(((
714	714	Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
715	715	)))
716	716
717	717
718		-== 2.11 Battery & Power Consumption ==
719	719
	724	+== 2.11  ​Battery Analysis ==
720	720
721		-NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
722	722
723		-[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	727	+=== 2.11.1  ​Battery Type ===
724	724
725	725
	730	+(((
	731	+The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	732	+)))
	733	+
	734	+(((
	735	+The battery is designed to last for several years depends on the actually use environment and update interval.
	736	+)))
	737	+
	738	+(((
	739	+The battery related documents as below:
	740	+)))
	741	+
	742	+* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	743	+* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	744	+* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	745	+
	746	+(((
	747	+[[image:image-20220709101450-2.png]]
	748	+)))
	749	+
	750	+
	751	+
	752	+=== 2.11.2  Power consumption Analyze ===
	753	+
	754	+
	755	+(((
	756	+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.
	757	+)))
	758	+
	759	+
	760	+(((
	761	+Instruction to use as below:
	762	+)))
	763	+
	764	+(((
	765	+(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	766	+)))
	767	+
	768	+
	769	+(((
	770	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
	771	+)))
	772	+
	773	+* (((
	774	+Product Model
	775	+)))
	776	+* (((
	777	+Uplink Interval
	778	+)))
	779	+* (((
	780	+Working Mode
	781	+)))
	782	+
	783	+(((
	784	+And the Life expectation in difference case will be shown on the right.
	785	+)))
	786	+
	787	+[[image:image-20220709110451-3.png]]
	788	+
	789	+
	790	+
	791	+=== 2.11.3  ​Battery Note ===
	792	+
	793	+
	794	+(((
	795	+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.
	796	+)))
	797	+
	798	+
	799	+
	800	+=== 2.11.4  Replace the battery ===
	801	+
	802	+
	803	+(((
	804	+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).
	805	+)))
	806	+
	807	+
	808	+
726	726	= 3. ​ Access NB-IoT Module =
727	727
728	728
...	...	@@ -739,8 +739,10 @@
739	739	[[image:1657333200519-600.png]]
740	740
741	741
	825	+
742	742	= 4.  Using the AT Commands =
743	743
	828	+
744	744	== 4.1  Access AT Commands ==
745	745
746	746
...	...	@@ -747,94 +747,96 @@
747	747	See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
748	748
749	749
750		-AT+<CMD>?  :  Help on <CMD>
	835	+AT+<CMD>?  : Help on <CMD>
751	751
752		-AT+<CMD>         :  Run <CMD>
	837	+AT+<CMD>         : Run <CMD>
753	753
754		-AT+<CMD>=<value> :  Set the value
	839	+AT+<CMD>=<value> : Set the value
755	755
756		-AT+<CMD>=?  :  Get the value
	841	+AT+<CMD>=?  : Get the value
757	757
758	758
759	759	(% style="color:#037691" %)**General Commands**(%%)
760	760
761		-AT  :  Attention
	846	+AT  : Attention
762	762
763		-AT?  :  Short Help
	848	+AT?  : Short Help
764	764
765		-ATZ  :  MCU Reset
	850	+ATZ  : MCU Reset
766	766
767		-AT+TDC  :  Application Data Transmission Interval
	852	+AT+TDC  : Application Data Transmission Interval
768	768
769		-AT+CFG  :  Print all configurations
	854	+AT+CFG  : Print all configurations
770	770
771		-AT+CFGMOD           :  Working mode selection
	856	+AT+CFGMOD           : Working mode selection
772	772
773		-AT+INTMOD            :  Set the trigger interrupt mode
	858	+AT+INTMOD            : Set the trigger interrupt mode
774	774
775		-AT+5VT  :  Set extend the time of 5V power
	860	+AT+5VT  : Set extend the time of 5V power
776	776
777		-AT+PRO  :  Choose agreement
	862	+AT+PRO  : Choose agreement
778	778
779		-AT+WEIGRE  :  Get weight or set weight to 0
	864	+AT+WEIGRE  : Get weight or set weight to 0
780	780
781		-AT+WEIGAP  :  Get or Set the GapValue of weight
	866	+AT+WEIGAP  : Get or Set the GapValue of weight
782	782
783		-AT+RXDL  :  Extend the sending and receiving time
	868	+AT+RXDL  : Extend the sending and receiving time
784	784
785		-AT+CNTFAC  :  Get or set counting parameters
	870	+AT+CNTFAC  : Get or set counting parameters
786	786
787		-AT+SERVADDR  :  Server Address
	872	+AT+SERVADDR  : Server Address
788	788
789		-AT+TR  :  Get or Set record time"
	874	+AT+TR      : Get or Set record time"
790	790
791		-AT+APN     :  Get or set the APN
	876	+AT+APN     : Get or set the APN
792	792
793		-AT+FBAND  :  Get or Set whether to automatically modify the frequency band
	878	+AT+FBAND   : Get or Set whether to automatically modify the frequency band
794	794
795		-AT+DNSCFG  : Get or Set DNS Server
	880	+AT+DNSCFG  : Get or Set DNS Server
796	796
797		-AT+GETSENSORVALUE   :  Returns the current sensor measurement
	882	+AT+GETSENSORVALUE   : Returns the current sensor measurement
798	798
799		-AT+NOUD  :  Get or Set the number of data to be uploaded
	884	+AT+NOUD      : Get or Set the number of data to be uploaded
800	800
801		-AT+CDP     :  Read or Clear cached data
	886	+AT+CDP     : Read or Clear cached data
802	802
803		-AT+LDDSALARM :  Get or Set alarm of distance
	888	+AT+LDDSALARM : Get or Set alarm of distance
804	804
805	805
806	806	(% style="color:#037691" %)**COAP Management**
807	807
808		-AT+URI            :  Resource parameters
	893	+AT+URI            : Resource parameters
809	809
810	810
811	811	(% style="color:#037691" %)**UDP Management**
812	812
813		-AT+CFM          :  Upload confirmation mode (only valid for UDP)
	898	+AT+CFM          : Upload confirmation mode (only valid for UDP)
814	814
815	815
816	816	(% style="color:#037691" %)**MQTT Management**
817	817
818		-AT+CLIENT  :  Get or Set MQTT client
	903	+AT+CLIENT               : Get or Set MQTT client
819	819
820		-AT+UNAME  :  Get or Set MQTT Username
	905	+AT+UNAME  : Get or Set MQTT Username
821	821
822		-AT+PWD  :  Get or Set MQTT password
	907	+AT+PWD                  : Get or Set MQTT password
823	823
824		-AT+PUBTOPIC  :  Get or Set MQTT publish topic
	909	+AT+PUBTOPIC  : Get or Set MQTT publish topic
825	825
826		-AT+SUBTOPIC  :  Get or Set MQTT subscription topic
	911	+AT+SUBTOPIC  : Get or Set MQTT subscription topic
827	827
828	828
829	829	(% style="color:#037691" %)**Information**
830	830
831		-AT+FDR  :  Factory Data Reset
	916	+AT+FDR  : Factory Data Reset
832	832
833		-AT+PWORD  :  Serial Access Password
	918	+AT+PWORD  : Serial Access Password
834	834
835	835
	921	+
836	836	= ​5.  FAQ =
837	837
	924	+
838	838	== 5.1 ​ How to Upgrade Firmware ==
839	839
840	840
...	...	@@ -851,8 +851,10 @@
851	851	)))
852	852
853	853
	941	+
854	854	= 6.  Trouble Shooting =
855	855
	944	+
856	856	== 6.1  ​Connection problem when uploading firmware ==
857	857
858	858
...	...	@@ -865,20 +865,17 @@
865	865
866	866	)))
867	867
	957	+
868	868	== 6.2  AT Command input doesn't work ==
869	869
870	870
871	871	(((
872	872	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.
	963	+
	964	+
873	873	)))
874	874
875	875
876		-== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
877		-
878		-
879		-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]]//**.
880		-
881		-
882	882	= 7. ​ Order Info =
883	883
884	884
...	...	@@ -885,6 +885,11 @@
885	885	Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
886	886
887	887
	974	+(% class="wikigeneratedid" %)
	975	+(((
	976	+
	977	+)))
	978	+
888	888	= 8.  Packing Info =
889	889
890	890	(((
...	...	@@ -899,6 +899,7 @@
899	899	(((
900	900
901	901
	993	+
902	902	(% style="color:#037691" %)**Dimension and weight**:
903	903
904	904	* Device Size: 13.0 x 5 x 4.5 cm
...	...	@@ -910,6 +910,7 @@
910	910	(((
911	911
912	912
	1005	+
913	913
914	914	)))
915	915
...	...	@@ -917,5 +917,4 @@
917	917
918	918
919	919	* 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.
920		-
921	921	* 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]]

image-20221009001114-1.png

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