Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

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Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

...	...	@@ -8,7 +8,7 @@
8	8
9	9
10	10
11		-**Table of Contents：**
	11	+**Table of Contents:(% style="display:none" %) (%%)**
12	12
13	13	{{toc/}}
14	14
...	...	@@ -47,9 +47,9 @@
47	47	* Firmware upgradable via program port or LoRa protocol
48	48	* Built-in 2400mAh battery or power by external power source
49	49
	50	+
50	50	== 1.3 Specification ==
51	51
52		-
53	53	(% style="color:#037691" %)**LiDAR Sensor:**
54	54
55	55	* Operation Temperature: -40 ~~ 80 °C
...	...	@@ -60,12 +60,13 @@
60	60	* ToF FoV: ±9°, Total 18°
61	61	* Light source: VCSEL
62	62
	63	+
63	63	== 1.4 Power Consumption ==
64	64
65	65
66	66	(% style="color:#037691" %)**Battery Power Mode:**
67	67
68		-* Idle: 0.003 mA @ 3.3v
	69	+* Idle: 3uA @ 3.3v
69	69	* Max : 360 mA
70	70
71	71	(% style="color:#037691" %)**Continuously mode**:
...	...	@@ -73,6 +73,22 @@
73	73	* Idle: 21 mA @ 3.3v
74	74	* Max : 360 mA
75	75
	77	+
	78	+== 1.5 Use Case ==
	79	+
	80	+(% class="mark" %)**Regular Distance Detect**
	81	+
	82	+[[image:image-20231211220922-1.png||height="352" width="605"]]
	83	+
	84	+
	85	+(% class="mark" %)**Counting / Alarm**
	86	+
	87	+[[image:image-20231211221253-2.png]]
	88	+
	89	+
	90	+[[image:image-20231211221436-3.png]]
	91	+
	92	+
76	76	= 2. Configure DS20L to connect to LoRaWAN network =
77	77
78	78	== 2.1 How it works ==
...	...	@@ -91,7 +91,7 @@
91	91
92	92	[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
93	93
94		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
	111	+=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
95	95
96	96	Each DS20L is shipped with a sticker with the default device EUI as below:
97	97
...	...	@@ -98,41 +98,36 @@
98	98	[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
99	99
100	100
101		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	118	+You can enter this key in the LoRaWAN Server portal. Below is TTN V3 screenshot:
102	102
103	103
104	104	(% style="color:blue" %)**Register the device**
105	105
106		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
	123	+[[image:image-20231207144600-2.png||height="703" width="756"]]
107	107
108	108
109		-(% style="color:blue" %)**Add APP EUI and DEV EUI**
	126	+(% style="color:blue" %)**Add DevEUI and AppKey**
110	110
111		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
	128	+[[image:image-20231207145121-5.png||height="540" width="756"]]
112	112
113	113
114		-(% style="color:blue" %)**Add APP EUI in the application**
115	115
	132	+=== Step 2: Activate DS20L ===
116	116
117		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
118		-
119		-
120		-(% style="color:blue" %)**Add APP KEY**
121		-
122		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
123		-
124		-
125		-(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
126		-
127	127	[[image:image-20231128133704-1.png||height="189" width="441"]]
128	128
129	129	Press the button for 5 seconds to activate the DS20L.
130	130
	138	+The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
	139	+
	140	+The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
	141	+
131	131	(% 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.
132	132
133	133	After join success, it will start to upload messages to TTN and you can see the messages in the panel.
134	134
135	135
	147	+
136	136	== 2.3 ​Uplink Payload ==
137	137
138	138	=== 2.3.1 Device Status, FPORT~=5 ===
...	...	@@ -150,7 +150,7 @@
150	150
151	151	Example parse in TTNv3
152	152
153		-[[image:1701149922873-259.png]]
	165	+[[image:image-20231206151412-3.png||height="179" width="1070"]]
154	154
155	155	(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
156	156
...	...	@@ -206,7 +206,7 @@
206	206	=== 2.3.2 Uplink Payload, FPORT~=2 ===
207	207
208	208
209		-==== (% style="color:red" %)**MOD~=1**(%%) ====
	221	+==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
210	210
211	211	Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
212	212
...	...	@@ -216,7 +216,7 @@
216	216	|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4**
217	217	|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
218	218
219		-[[image:1701155076393-719.png]]
	231	+[[image:image-20231209152917-1.png||height="300" width="1172"]]
220	220
221	221	(% style="color:blue" %)**Battery Info:**
222	222
...	...	@@ -254,24 +254,100 @@
254	254
255	255	Ex1: 0x00: Normal collection distance
256	256
257		-Ex2 0x0x: Distance collection is wrong
	269	+Ex2: 0x0x: Distance collection is wrong
258	258
259	259
260		-(% style="color:blue" %)**Interript Count:**
	272	+(% style="color:blue" %)**Interrupt Count:**
261	261
262	262	If payload is:000007D0H: count = 07D0H =2000
263	263
264	264
265	265
266		-==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
	278	+==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
267	267
268		-Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
269	269
	281	+The power consumption of uninterrupted measurement is high, and the device needs to use external power supply.(The switch is switched to E and the external power supply is used.)
	282	+
	283	+[[image:image-20231128133704-1.png||height="189" width="441"]]
	284	+
	285	+
	286	+* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
	287	+
	288	+(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
	289	+Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
	290	+
270	270	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	292	+|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
	293	+|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+DO+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
	294	+
	295	+[[image:image-20231209171127-3.png||height="374" width="1209"]]
	296	+
	297	+(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
	298	+
	299	+(% style="color:red" %)**MOD:**
	300	+
	301	+**Example: ** (0x60>>6) & 0x3f =1
	302	+
	303	+**0x01:**  Regularly detect distance and report.
	304	+**0x02: ** Uninterrupted measurement (external power supply).
	305	+
	306	+(% style="color:red" %)**Alarm:**
	307	+
	308	+When the detection distance exceeds the limit, the alarm flag is set to 1.
	309	+
	310	+(% style="color:red" %)**DO:**
	311	+
	312	+When the distance exceeds the set threshold, pull the Do pin high.
	313	+
	314	+(% style="color:red" %)**Limit flag:**
	315	+
	316	+Mode for setting threshold: **0~~3**
	317	+
	318	+**0:** does not use upper and lower limits
	319	+
	320	+**1:** Use upper and lower limits
	321	+
	322	+**2:** Less than the upper limit
	323	+
	324	+**3: **Greater than the lower limit
	325	+
	326	+
	327	+(% style="color:blue" %)**Distance:**
	328	+
	329	+ Actual sampling distance values.
	330	+
	331	+**Example:**
	332	+
	333	+**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
	334	+
	335	+The distance is detected every 120ms.
	336	+
	337	+When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
	338	+
	339	+When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
	340	+
	341	+If payload is: 0708H: distance = 0708H = 1800 mm
	342	+
	343	+
	344	+(% style="color:blue" %)**Upper limit:**
	345	+
	346	+The upper limit of the threshold cannot exceed 2000mm.
	347	+
	348	+
	349	+(% style="color:blue" %)**Lower limit:**
	350	+
	351	+The lower limit of the threshold cannot be less than 3mm.
	352	+
	353	+
	354	+* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
	355	+
	356	+Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
	357	+
	358	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
271	271	|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
272		-|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
	360	+|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance limit alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
273	273
274		-[[image:1701155150328-206.png]]
	362	+[[image:image-20231209173457-5.png||height="277" width="1098"]]
275	275
276	276	(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
277	277
...	...	@@ -292,21 +292,32 @@
292	292
293	293	(% style="color:red" %)**Limit flag:**
294	294
295		-Mode for setting threshold: 0~~5
	383	+Mode for setting threshold: **0~~3**
296	296
297		-0: does not use upper and lower limits
	385	+**0:** does not use upper and lower limits
298	298
299		-1: Use upper and lower limits
	387	+**1:** Use upper and lower limits
300	300
301		-2: is less than the lower limit value
	389	+**2:** Less than the upper limit
302	302
303		-3: is greater than the lower limit value
	391	+**3: **Greater than the lower limit
304	304
305		-4: is less than the upper limit
306	306
307		-5: is greater than the upper limit
	394	+(% style="color:blue" %)**Distance limit alarm count:**
308	308
	396	+People or objects are collected and counted within a limited distance.
309	309
	398	+The detection of a stationary person or object at each sampling time will be repeated three times, and the fourth sampling count will be added by 1.
	399	+
	400	+**Example:**
	401	+
	402	+**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
	403	+
	404	+People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
	405	+
	406	+If payload is: 0x56H, interrupt count =0x56H =86
	407	+
	408	+
310	310	(% style="color:blue" %)**Upper limit:**
311	311
312	312	The upper limit of the threshold cannot exceed 2000mm.
...	...	@@ -317,12 +317,12 @@
317	317	The lower limit of the threshold cannot be less than 3mm.
318	318
319	319
320		-=== 2.3.3 Decode payload in The Things Network ===
	419	+== 2.4 Decode payload in The Things Network ==
321	321
322	322
323	323	While using TTN network, you can add the payload format to decode the payload.
324	324
325		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
	424	+[[image:image-20231206143515-1.png||height="534" width="759"]]
326	326
327	327
328	328	(((
...	...	@@ -334,11 +334,11 @@
334	334	)))
335	335
336	336
337		-== 2.4 ​Show Data in DataCake IoT Server ==
	436	+== 2.5 ​Show Data in DataCake IoT Server ==
338	338
339	339
340	340	(((
341		-[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
	440	+[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, onhuman-friendlya in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
342	342	)))
343	343
344	344
...	...	@@ -351,25 +351,29 @@
351	351	)))
352	352
353	353
354		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
	453	+[[image:image-20231207153532-6.png||height="562" width="861"]]
355	355
356	356
357		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
	456	+[[image:image-20231207155940-8.png]]
358	358
	458	+For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
359	359
	460	+[[image:image-20231207160733-11.png||height="429" width="759"]]
	461	+
	462	+
360	360	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
361	361
362	362	(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
363	363
364		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
	467	+[[image:image-20231207160343-10.png||height="665" width="705"]]
365	365
366	366
367	367	After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
368	368
369		-[[image:image-20231129085201-1.png||height="515" width="961"]]
	472	+[[image:image-20231129100454-2.png||height="501" width="928"]]
370	370
371	371
372		-== 2.5 Frequency Plans ==
	475	+== 2.6 Frequency Plans ==
373	373
374	374
375	375	The DS20L uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
...	...	@@ -407,7 +407,7 @@
407	407	== 3.3 Commands special design for DS20L ==
408	408
409	409
410		-These commands only valid for DS20L, as below:
	513	+Below commands only valid for DS20L, as below:
411	411
412	412
413	413	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -493,6 +493,7 @@
493	493
494	494	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
495	495
	599	+
496	496	=== 3.3.3 Set work mode ===
497	497
498	498
...	...	@@ -510,10 +510,11 @@
510	510
511	511	(% style="color:blue" %)**Downlink Command:**
512	512
513		-* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
	617	+* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
514	514
515		-* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
	619	+* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
516	516
	621	+
517	517	=== 3.3.4 Set threshold and threshold mode ===
518	518
519	519
...	...	@@ -531,7 +531,8 @@
531	531	)))
532	532	|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
533	533
534		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	639	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	640	+|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %) Parameter
535	535	|(% rowspan="11" style="color:blue; width:120px" %)(((
536	536
537	537
...	...	@@ -544,44 +544,65 @@
544	544
545	545
546	546
547		-**AT+DOL=5,1800,0,0,400**
548		-)))|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
	653	+**AT+DOL=1,1800,3,0,400**
	654	+)))|(% rowspan="4" style="width:240px" %)(((
	655	+
	656	+
	657	+
	658	+
	659	+The first bit sets the limit mode
	660	+)))|(% style="width:150px" %)0: Do not use upper and lower limits
549	549	|(% style="width:251px" %)1: Use upper and lower limits
550		-|(% style="width:251px" %)2: Less than the lower limit
	662	+|(% style="width:251px" %)2:Less than the upper limit
551	551	|(% style="width:251px" %)3: Greater than the lower limit
552		-|(% style="width:251px" %)4: Less than the upper limit
553		-|(% style="width:251px" %)5: Greater than the upper limit
554	554	|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
555	555	|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
556	556	|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
557	557	|(% style="width:251px" %)1 Person or object counting statistics
558	558	|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
559		-0~~10000ms
	669	+100~~10000ms
560	560
561	561
562	562	)))
563	563
564		-
	674	+(% style="color:blue" %)**Downlink Command: 0x07**
565	565
	676	+Format: Command Code (0x07) followed by 9 bytes.
566	566
	678	+If the downlink payload=**07 01 0708 0064 00 0190**, it means set the END Node's limit mode to 0x01,upper limit value to 0x0708=1800(mm), lower limit value to 0x0064=100(mm), to over-limit alarm(0x00) ,the sampling time to 0x0190=400(ms), while type code is 0x07.
567	567
	680	+* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
568	568
569		-(% style="color:blue" %)**Downlink Command: 0x07**
	682	+* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
570	570
571		-Format: Command Code (0x07) followed by 9bytes.
	684	+* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
572	572
573		-* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
	686	+* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
574	574
575		-* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
	688	+(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
576	576
577		-* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
	690	+**For example:**
578	578
579		-* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
	692	+* **AT+MOD=1**
580	580
581		-* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
	694	+ **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
582	582
583		-* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
	696	+Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
584	584
	698	+[[image:image-20231211113204-2.png||height="292" width="1093"]]
	699	+
	700	+* **AT+MOD=2  **
	701	+
	702	+ **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
	703	+
	704	+If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
	705	+
	706	+[[image:image-20231211114932-3.png||height="277" width="1248"]]
	707	+
	708	+
	709	+
	710	+
	711	+
585	585	= 4. Battery & Power Consumption =
586	586
587	587
...	...	@@ -610,6 +610,7 @@
610	610
611	611	* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
612	612
	740	+
613	613	= 6. FAQ =
614	614
615	615	== 6.1 What is the frequency plan for DS20L? ==

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