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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 165.1
edited by Mengting Qiu
on 2023/12/11 15:12
Change comment: There is no comment for this version
To version 124.4
edited by Xiaoling
on 2023/11/28 15:18
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.ting
1 +XWiki.Xiaoling
Content
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8 8  
9 9  
10 10  
11 -**Table of Contents:(% style="display:none" %) (%%)**
11 +**Table of Contents：**
12 12  
13 13  {{toc/}}
14 14  
... ... @@ -47,6 +47,8 @@
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 +
51 +
50 50  == 1.3 Specification ==
51 51  
52 52  
... ... @@ -60,6 +60,8 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
65 +
66 +
63 63  == 1.4 Power Consumption ==
64 64  
65 65  
... ... @@ -73,6 +73,8 @@
73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
80 +
81 +
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 -=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
100 +(% style="color:blue" %)**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  
... ... @@ -98,36 +98,41 @@
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 V3 screenshot:
107 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
102 102  
103 103  
104 104  (% style="color:blue" %)**Register the device**
105 105  
106 -[[image:image-20231207144600-2.png||height="703" width="756"]]
112 +[[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"]]
107 107  
108 108  
109 -(% style="color:blue" %)**Add DevEUI and AppKey**
115 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
110 110  
111 -[[image:image-20231207145121-5.png||height="540" width="756"]]
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-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
112 112  
113 113  
120 +(% style="color:blue" %)**Add APP EUI in the application**
114 114  
115 -=== Step 2: Activate on DS20L ===
116 116  
117 -[[image:image-20231128133704-1.png||height="189" width="441"]]
123 +[[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"]]
118 118  
119 -Press the button for 5 seconds to activate the DS20L.
120 120  
121 -The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
126 +(% style="color:blue" %)**Add APP KEY**
122 122  
123 -The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
128 +[[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"]]
124 124  
130 +
131 +(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
132 +
133 +[[image:image-20231128133704-1.png||height="189" width="441"]]
134 +
135 +Press the button for 5 seconds to activate the DS20L.
136 +
125 125  (% 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.
126 126  
127 127  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
128 128  
129 129  
130 -
131 131  == 2.3 ​Uplink Payload ==
132 132  
133 133  === 2.3.1 Device Status, FPORT~=5 ===
... ... @@ -145,7 +145,7 @@
145 145  
146 146  Example parse in TTNv3
147 147  
148 -[[image:image-20231206151412-3.png||height="179" width="1070"]]
159 +[[image:1701149922873-259.png]]
149 149  
150 150  (% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
151 151  
... ... @@ -201,7 +201,7 @@
201 201  === 2.3.2 Uplink Payload, FPORT~=2 ===
202 202  
203 203  
204 -==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
215 +==== (% style="color:red" %)**MOD~=1**(%%) ====
205 205  
206 206  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.
207 207  
... ... @@ -211,7 +211,7 @@
211 211  |(% 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**
212 212  |(% 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
213 213  
214 -[[image:image-20231209152917-1.png||height="300" width="1172"]]
225 +[[image:1701155076393-719.png]]
215 215  
216 216  (% style="color:blue" %)**Battery Info:**
217 217  
... ... @@ -258,24 +258,15 @@
258 258  
259 259  
260 260  
261 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
272 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
262 262  
274 +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.
263 263  
264 -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.)
265 -
266 -[[image:image-20231128133704-1.png||height="189" width="441"]]
267 -
268 -
269 -* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
270 -
271 -(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
272 -Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
273 -
274 274  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
275 -|(% 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**
276 -|(% 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
277 +|(% 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**
278 +|(% 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
277 277  
278 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
280 +[[image:1701155150328-206.png]]
279 279  
280 280  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 281  
... ... @@ -296,34 +296,21 @@
296 296  
297 297  (% style="color:red" %)**Limit flag:**
298 298  
299 -Mode for setting threshold: **0~~3**
301 +Mode for setting threshold: 0~~5
300 300  
301 -**0:** does not use upper and lower limits
303 +0: does not use upper and lower limits
302 302  
303 -**1:** Use upper and lower limits
305 +1: Use upper and lower limits
304 304  
305 -**2:** Less than the upper limit
307 +2: is less than the lower limit value
306 306  
307 -**3: **Greater than the lower limit
309 +3: is greater than the lower limit value
308 308  
311 +4: is less than the upper limit
309 309  
310 -(% style="color:blue" %)**Distance:**
313 +5: is greater than the upper limit
311 311  
312 - Actual sampling distance values.
313 313  
314 -**Example:**
315 -
316 -**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
317 -
318 -The distance is detected every 120ms.
319 -
320 -When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
321 -
322 -When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
323 -
324 -If payload is: 0708H: distance = 0708H = 1800 mm
325 -
326 -
327 327  (% style="color:blue" %)**Upper limit:**
328 328  
329 329  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -334,77 +334,94 @@
334 334  The lower limit of the threshold cannot be less than 3mm.
335 335  
336 336  
337 -* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
326 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
338 338  
339 -Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
340 340  
341 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
342 -|(% 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**
343 -|(% 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
329 +DS20L stores sensor values and users can retrieve these history values via the downlink command.
344 344  
345 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
331 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
346 346  
347 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
333 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
334 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
335 +**Size(bytes)**
336 +)))|=(% 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
337 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
338 +Reserve(0xFF)
339 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
340 +LiDAR temp
341 +)))|(% style="width:85px" %)Unix TimeStamp
348 348  
349 -(% style="color:red" %)**MOD:**
343 +**Interrupt flag & Interrupt level:**
350 350  
351 -**Example: ** (0x60>>6) & 0x3f =1
345 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
346 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
347 +**Size(bit)**
348 +)))|=(% 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**
349 +|(% 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" %)(((
350 +Interrupt flag
351 +)))
352 352  
353 -**0x01:**  Regularly detect distance and report.
354 -**0x02: ** Uninterrupted measurement (external power supply).
353 +* (((
354 +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.
355 +)))
355 355  
356 -(% style="color:red" %)**Alarm:**
357 +For example, in the US915 band, the max payload for different DR is:
357 357  
358 -When the detection distance exceeds the limit, the alarm flag is set to 1.
359 +**a) DR0:** max is 11 bytes so one entry of data
359 359  
360 -(% style="color:red" %)**Do:**
361 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
361 361  
362 -When the distance exceeds the set threshold, pull the Do pin high.
363 +**c) DR2:** total payload includes 11 entries of data
363 363  
364 -(% style="color:red" %)**Limit flag:**
365 +**d) DR3:** total payload includes 22 entries of data.
365 365  
366 -Mode for setting threshold: **0~~3**
367 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
367 367  
368 -**0:** does not use upper and lower limits
369 369  
370 -**1:** Use upper and lower limits
370 +**Downlink:**
371 371  
372 -**2:** Less than the upper limit
372 +0x31 64 CC 68 0C 64 CC 69 74 05
373 373  
374 -**3: **Greater than the lower limit
374 +[[image:image-20230805144936-2.png||height="113" width="746"]]
375 375  
376 +**Uplink:**
376 376  
377 -(% style="color:blue" %)**Distance limit alarm count:**
378 +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
378 378  
379 -People or objects are collected and counted within a limited distance.
380 380  
381 -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.
381 +**Parsed Value:**
382 382  
383 -**Example:**
383 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
384 384  
385 -**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
386 386  
387 -People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
386 +[360,176,30,High,True,2023-08-04 02:53:00],
388 388  
389 -If payload is: 0x56H, interrupt count =0x56H =86
388 +[355,168,30,Low,False,2023-08-04 02:53:29],
390 390  
390 +[245,211,30,Low,False,2023-08-04 02:54:29],
391 391  
392 -(% style="color:blue" %)**Upper limit:**
392 +[57,700,30,Low,False,2023-08-04 02:55:29],
393 393  
394 -The upper limit of the threshold cannot exceed 2000mm.
394 +[361,164,30,Low,True,2023-08-04 02:56:00],
395 395  
396 +[337,184,30,Low,False,2023-08-04 02:56:40],
396 396  
397 -(% style="color:blue" %)**Lower limit:**
398 +[20,4458,30,Low,False,2023-08-04 02:57:40],
398 398  
399 -The lower limit of the threshold cannot be less than 3mm.
400 +[362,173,30,Low,False,2023-08-04 02:58:53],
400 400  
401 401  
402 -== 2.4 Decode payload in The Things Network ==
403 +**History read from serial port：**
403 403  
405 +[[image:image-20230805145056-3.png]]
404 404  
407 +
408 +=== 2.3.4 Decode payload in The Things Network ===
409 +
410 +
405 405  While using TTN network, you can add the payload format to decode the payload.
406 406  
407 -[[image:image-20231206143515-1.png||height="534" width="759"]]
413 +[[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"]]
408 408  
409 409  
410 410  (((
... ... @@ -416,7 +416,7 @@
416 416  )))
417 417  
418 418  
419 -== 2.5 ​Show Data in DataCake IoT Server ==
425 +== 2.4 ​Show Data in DataCake IoT Server ==
420 420  
421 421  
422 422  (((
... ... @@ -433,29 +433,25 @@
433 433  )))
434 434  
435 435  
436 -[[image:image-20231207153532-6.png||height="562" width="861"]]
442 +[[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"]]
437 437  
438 438  
439 -[[image:image-20231207155940-8.png]]
445 +[[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"]]
440 440  
441 -For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
442 442  
443 -[[image:image-20231207160733-11.png||height="429" width="759"]]
444 -
445 -
446 446  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
447 447  
448 448  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
449 449  
450 -[[image:image-20231207160343-10.png||height="665" width="705"]]
452 +[[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"]]
451 451  
452 452  
453 453  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
454 454  
455 -[[image:image-20231129100454-2.png||height="501" width="928"]]
457 +[[image:1701152946067-561.png]]
456 456  
457 457  
458 -== 2.6 Frequency Plans ==
460 +== 2.5 Frequency Plans ==
459 459  
460 460  
461 461  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.
... ... @@ -579,7 +579,7 @@
579 579  
580 580  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
581 581  
582 -=== 3.3.3 Set work mode ===
584 +== 3.3.3 Set work mode ==
583 583  
584 584  
585 585  Feature: Switch working mode
... ... @@ -596,9 +596,9 @@
596 596  
597 597  (% style="color:blue" %)**Downlink Command:**
598 598  
599 -* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
601 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
600 600  
601 -* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
603 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
602 602  
603 603  === 3.3.4 Set threshold and threshold mode ===
604 604  
... ... @@ -618,37 +618,18 @@
618 618  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
619 619  
620 620  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
621 -|(% rowspan="11" style="color:blue; width:120px" %)(((
622 -
623 -
624 -
625 -
626 -
627 -
628 -
629 -
630 -
631 -
632 -
633 -**AT+DOL=1,1800,3,0,400**
634 -)))|(% rowspan="4" style="width:240px" %)(((
635 -
636 -
637 -
638 -
639 -
640 -
641 -The first bit sets the limit mode
642 -)))|(% style="width:150px" %)0: Do not use upper and lower limits
623 +|(% 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
643 643  |(% style="width:251px" %)1: Use upper and lower limits
644 -|(% style="width:251px" %)2:Less than the upper limit
625 +|(% style="width:251px" %)2: Less than the lower limit
645 645  |(% style="width:251px" %)3: Greater than the lower limit
627 +|(% style="width:251px" %)4: Less than the upper limit
628 +|(% style="width:251px" %)5: Greater than the upper limit
646 646  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
647 647  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
648 648  |(% 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
649 649  |(% style="width:251px" %)1 Person or object counting statistics
650 650  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
651 -100~~10000ms
634 +0~~10000ms
652 652  
653 653  
654 654  )))
... ... @@ -655,42 +655,22 @@
655 655  
656 656  (% style="color:blue" %)**Downlink Command: 0x07**
657 657  
658 -Format: Command Code (0x07) followed by 9 bytes.
641 +Format: Command Code (0x07) followed by 9bytes.
659 659  
660 -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.
643 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
661 661  
662 -* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
663 -
664 664  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
665 665  
666 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
647 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
667 667  
668 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
649 +* Example 3: Downlink Payload: 0703200000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
669 669  
670 -(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
651 +* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
671 671  
672 -**For example:**
653 +* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
673 673  
674 -* **AT+MOD=1**
675 675  
676 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
677 677  
678 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
679 -
680 -[[image:image-20231211113204-2.png||height="292" width="1093"]]
681 -
682 -* **AT+MOD=2  **
683 -
684 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
685 -
686 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
687 -
688 -[[image:image-20231211114932-3.png||height="277" width="1248"]]
689 -
690 -
691 -
692 -
693 -
694 694  = 4. Battery & Power Consumption =
695 695  
696 696  
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