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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 124.3
edited by Xiaoling
on 2023/11/28 15:14
Change comment: There is no comment for this version
To version 170.1
edited by Edwin Chen
on 2023/12/11 22:50
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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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 +254,33 @@
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" %)
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
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
273 273  
274 -[[image:1701155150328-206.png]]
295 +[[image:image-20231209171127-3.png||height="374" width="1209"]]
275 275  
276 276  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
277 277  
... ... @@ -286,27 +286,40 @@
286 286  
287 287  When the detection distance exceeds the limit, the alarm flag is set to 1.
288 288  
289 -(% style="color:red" %)**Do:**
310 +(% style="color:red" %)**DO:**
290 290  
291 291  When the distance exceeds the set threshold, pull the Do pin high.
292 292  
293 293  (% style="color:red" %)**Limit flag:**
294 294  
295 -Mode for setting threshold: 0~~5
316 +Mode for setting threshold: **0~~3**
296 296  
297 -0: does not use upper and lower limits
318 +**0:** does not use upper and lower limits
298 298  
299 -1: Use upper and lower limits
320 +**1:** Use upper and lower limits
300 300  
301 -2: is less than the lower limit value
322 +**2:** Less than the upper limit
302 302  
303 -3: is greater than the lower limit value
324 +**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
327 +(% style="color:blue" %)**Distance:**
308 308  
329 + Actual sampling distance values.
309 309  
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 +
310 310  (% style="color:blue" %)**Upper limit:**
311 311  
312 312  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -317,94 +317,77 @@
317 317  The lower limit of the threshold cannot be less than 3mm.
318 318  
319 319  
320 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
354 +* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
321 321  
356 +Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
322 322  
323 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
358 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
359 +|(% 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**
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
324 324  
325 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
362 +[[image:image-20231209173457-5.png||height="277" width="1098"]]
326 326  
327 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
328 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
329 -**Size(bytes)**
330 -)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
331 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
332 -Reserve(0xFF)
333 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
334 -LiDAR temp
335 -)))|(% style="width:85px" %)Unix TimeStamp
364 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
336 336  
337 -**Interrupt flag & Interrupt level:**
366 +(% style="color:red" %)**MOD:**
338 338  
339 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
340 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
341 -**Size(bit)**
342 -)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
343 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
344 -Interrupt flag
345 -)))
368 +**Example: ** (0x60>>6) & 0x3f =1
346 346  
347 -* (((
348 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
349 -)))
370 +**0x01:**  Regularly detect distance and report.
371 +**0x02: ** Uninterrupted measurement (external power supply).
350 350  
351 -For example, in the US915 band, the max payload for different DR is:
373 +(% style="color:red" %)**Alarm:**
352 352  
353 -**a) DR0:** max is 11 bytes so one entry of data
375 +When the detection distance exceeds the limit, the alarm flag is set to 1.
354 354  
355 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
377 +(% style="color:red" %)**Do:**
356 356  
357 -**c) DR2:** total payload includes 11 entries of data
379 +When the distance exceeds the set threshold, pull the Do pin high.
358 358  
359 -**d) DR3:** total payload includes 22 entries of data.
381 +(% style="color:red" %)**Limit flag:**
360 360  
361 -If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
383 +Mode for setting threshold: **0~~3**
362 362  
385 +**0:** does not use upper and lower limits
363 363  
364 -**Downlink:**
387 +**1:** Use upper and lower limits
365 365  
366 -0x31 64 CC 68 0C 64 CC 69 74 05
389 +**2:** Less than the upper limit
367 367  
368 -[[image:image-20230805144936-2.png||height="113" width="746"]]
391 +**3: **Greater than the lower limit
369 369  
370 -**Uplink:**
371 371  
372 -43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
394 +(% style="color:blue" %)**Distance limit alarm count:**
373 373  
396 +People or objects are collected and counted within a limited distance.
374 374  
375 -**Parsed Value:**
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.
376 376  
377 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
400 +**Example:**
378 378  
402 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
379 379  
380 -[360,176,30,High,True,2023-08-04 02:53:00],
404 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
381 381  
382 -[355,168,30,Low,False,2023-08-04 02:53:29],
406 +If payload is: 0x56H, interrupt count =0x56H =86
383 383  
384 -[245,211,30,Low,False,2023-08-04 02:54:29],
385 385  
386 -[57,700,30,Low,False,2023-08-04 02:55:29],
409 +(% style="color:blue" %)**Upper limit:**
387 387  
388 -[361,164,30,Low,True,2023-08-04 02:56:00],
411 +The upper limit of the threshold cannot exceed 2000mm.
389 389  
390 -[337,184,30,Low,False,2023-08-04 02:56:40],
391 391  
392 -[20,4458,30,Low,False,2023-08-04 02:57:40],
414 +(% style="color:blue" %)**Lower limit:**
393 393  
394 -[362,173,30,Low,False,2023-08-04 02:58:53],
416 +The lower limit of the threshold cannot be less than 3mm.
395 395  
396 396  
397 -**History read from serial port：**
419 +== 2.4 Decode payload in The Things Network ==
398 398  
399 -[[image:image-20230805145056-3.png]]
400 400  
401 -
402 -=== 2.3.4 Decode payload in The Things Network ===
403 -
404 -
405 405  While using TTN network, you can add the payload format to decode the payload.
406 406  
407 -[[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"]]
408 408  
409 409  
410 410  (((
... ... @@ -416,11 +416,11 @@
416 416  )))
417 417  
418 418  
419 -== 2.4 ​Show Data in DataCake IoT Server ==
436 +== 2.5 ​Show Data in DataCake IoT Server ==
420 420  
421 421  
422 422  (((
423 -[[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:
424 424  )))
425 425  
426 426  
... ... @@ -433,25 +433,29 @@
433 433  )))
434 434  
435 435  
436 -[[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"]]
437 437  
438 438  
439 -[[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]]
440 440  
458 +For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
441 441  
460 +[[image:image-20231207160733-11.png||height="429" width="759"]]
461 +
462 +
442 442  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
443 443  
444 444  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
445 445  
446 -[[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"]]
447 447  
448 448  
449 449  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450 450  
451 -[[image:1701152946067-561.png]]
472 +[[image:image-20231129100454-2.png||height="501" width="928"]]
452 452  
453 453  
454 -== 2.5 Frequency Plans ==
475 +== 2.6 Frequency Plans ==
455 455  
456 456  
457 457  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.
... ... @@ -489,7 +489,7 @@
489 489  == 3.3 Commands special design for DS20L ==
490 490  
491 491  
492 -These commands only valid for DS20L, as below:
513 +Below commands only valid for DS20L, as below:
493 493  
494 494  
495 495  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -532,6 +532,9 @@
532 532  )))
533 533  * (((
534 534  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
556 +
557 +
558 +
535 535  )))
536 536  
537 537  === 3.3.2 Set Interrupt Mode ===
... ... @@ -572,9 +572,10 @@
572 572  
573 573  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
574 574  
575 -== 3.3.3 Set work mode ==
576 576  
600 +=== 3.3.3 Set work mode ===
577 577  
602 +
578 578  Feature: Switch working mode
579 579  
580 580  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -589,10 +589,11 @@
589 589  
590 590  (% style="color:blue" %)**Downlink Command:**
591 591  
592 -* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
617 +* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
593 593  
594 -* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
619 +* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
595 595  
621 +
596 596  === 3.3.4 Set threshold and threshold mode ===
597 597  
598 598  
... ... @@ -610,20 +610,37 @@
610 610  )))
611 611  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
612 612  
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
641 +|(% rowspan="11" style="color:blue; width:120px" %)(((
642 +
613 613  
614 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
615 -|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
644 +
645 +
646 +
647 +
648 +
649 +
650 +
651 +
652 +
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
616 616  |(% style="width:251px" %)1: Use upper and lower limits
617 -|(% style="width:251px" %)2: Less than the lower limit
662 +|(% style="width:251px" %)2:Less than the upper limit
618 618  |(% style="width:251px" %)3: Greater than the lower limit
619 -|(% style="width:251px" %)4: Less than the upper limit
620 -|(% style="width:251px" %)5: Greater than the upper limit
621 621  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
622 622  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
623 623  |(% 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
624 624  |(% style="width:251px" %)1 Person or object counting statistics
625 625  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
626 -0~~10000ms
669 +100~~10000ms
627 627  
628 628  
629 629  )))
... ... @@ -630,21 +630,42 @@
630 630  
631 631  (% style="color:blue" %)**Downlink Command: 0x07**
632 632  
633 -Format: Command Code (0x07) followed by 9bytes.
676 +Format: Command Code (0x07) followed by 9 bytes.
634 634  
635 -* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
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.
636 636  
680 +* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
681 +
637 637  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
638 638  
639 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
684 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
640 640  
641 -* Example 3: Downlink Payload: 0703200000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
686 +* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
642 642  
643 -* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
688 +(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
644 644  
645 -* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
690 +**For example:**
646 646  
692 +* **AT+MOD=1**
647 647  
694 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
695 +
696 +Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
697 +
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 +
648 648  = 4. Battery & Power Consumption =
649 649  
650 650  
... ... @@ -673,6 +673,7 @@
673 673  
674 674  * 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]]**.
675 675  
740 +
676 676  = 6. FAQ =
677 677  
678 678  == 6.1 What is the frequency plan for DS20L? ==
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