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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 116.2
edited by Xiaoling
on 2023/11/13 10:37
Change comment: There is no comment for this version
To version 120.3
edited by Xiaoling
on 2023/11/28 14:43
Change comment: There is no comment for this version

Summary

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60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
63 -(% style="display:none" %)
64 -
65 -
66 66  == 1.4 Power Consumption ==
67 67  
68 68  
... ... @@ -76,9 +76,6 @@
76 76  * Idle: 21 mA @ 3.3v
77 77  * Max : 360 mA
78 78  
79 -
80 -
81 -
82 82  = 2. Configure DS20L to connect to LoRaWAN network =
83 83  
84 84  == 2.1 How it works ==
... ... @@ -130,6 +130,7 @@
130 130  
131 131  (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
132 132  
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
133 133  
134 134  Press the button for 5 seconds to activate the DS20L.
135 135  
... ... @@ -155,9 +155,9 @@
155 155  
156 156  Example parse in TTNv3
157 157  
158 -[[image:image-20230805103904-1.png||height="131" width="711"]]
153 +[[image:1701149922873-259.png]]
159 159  
160 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
161 161  
162 162  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
163 163  
... ... @@ -231,114 +231,110 @@
231 231  [[Message Type>>||anchor="HMessageType"]]
232 232  )))
233 233  
234 -[[image:image-20230805104104-2.png||height="136" width="754"]]
229 +==== **MOD~=1** ====
235 235  
231 +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.
236 236  
237 -==== (% style="color:blue" %)**Battery Info**(%%) ====
233 +Uplink Payload totals 10 bytes.
238 238  
235 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 +|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
237 +|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
239 239  
240 -Check the battery voltage for DS20L.
241 241  
242 -Ex1: 0x0B45 = 2885mV
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
243 243  
244 -Ex2: 0x0B49 = 2889mV
242 +==== **Battery Info** ====
245 245  
244 +Check the battery voltage for DS20L
246 246  
247 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
246 +Ex1: 0x0E10 = 3600mV
248 248  
248 +**MOD & Alarm & Interrupt**
249 249  
250 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
250 +**MOD:**
251 251  
252 +**Example: ** (0x60>>6) & 0x3f =1
252 252  
253 -**Example**:
254 +**0x01:**  Regularly detect distance and report.
255 +**0x02: ** Uninterrupted measurement (external power supply).
254 254  
255 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
257 +**Alarm:**
256 256  
257 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
259 +When the detection distance exceeds the limit, the alarm flag is set to 1.
258 258  
261 +**Interrupt:**
259 259  
260 -==== (% style="color:blue" %)**Distance**(%%) ====
263 +Whether it is an external interrupt.
261 261  
265 +==== Distance** info** ====
262 262  
263 -Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
264 -
265 -
266 266  **Example**:
267 267  
268 -If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
269 +If payload is: 0708H: distance = 0708H = 1800 mm
269 269  
271 +==== **Sensor State** ====
270 270  
271 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
273 +Ex1: 0x00: Normal collection distance
272 272  
275 +Ex2 0x0x: Distance collection is wrong
273 273  
274 -Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
277 +==== **Interript Count** ====
275 275  
279 +If payload is:000007D0H: count = 07D0H =2000
276 276  
277 -**Example**:
281 +**MOD=2**
278 278  
279 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
283 +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.
280 280  
281 -Customers can judge whether they need to adjust the environment based on the signal strength.
285 +|**Size(bytes)**|**2**|**1**|**4**|**2**|**2**
286 +|Value|[[BAT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS20L_LoRaWAN_Smart_Distance_Detector_User_Manual/#HBatteryInfo]]|MOD+ Alarm+Do+ Limit flag|Distance Limit  Alarm count|Upper limit|Lower limit
282 282  
283 283  
284 -**1) When the sensor detects valid data:**
289 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
285 285  
286 -[[image:image-20230805155335-1.png||height="145" width="724"]]
291 +**MOD & Alarm & Do & Limit** **flag**
287 287  
293 +**MOD:**
288 288  
289 -**2) When the sensor detects invalid data:**
295 +**Example: ** (0x60>>6) & 0x3f =1
290 290  
291 -[[image:image-20230805155428-2.png||height="139" width="726"]]
297 +**0x01:**  Regularly detect distance and report.
298 +**0x02: ** Uninterrupted measurement (external power supply).
292 292  
300 +**Alarm:**
293 293  
294 -**3) When the sensor is not connected:**
302 +When the detection distance exceeds the limit, the alarm flag is set to 1.
295 295  
296 -[[image:image-20230805155515-3.png||height="143" width="725"]]
304 +**Do:**
297 297  
306 +When the distance exceeds the set threshold, pull the Do pin high.
298 298  
299 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
308 +**Limit** **flag:**
300 300  
310 +Mode for setting threshold: 0~~5
301 301  
302 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
312 +0: does not use upper and lower limits
303 303  
304 -Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
314 +1: Use upper and lower limits
305 305  
306 -**Example:**
316 +2: is less than the lower limit value
307 307  
308 -If byte[0]&0x01=0x00 : Normal uplink packet.
318 +3: is greater than the lower limit value
309 309  
310 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
320 +4: is less than the upper limit
311 311  
322 +5: is greater than the upper limit
312 312  
313 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
324 +**Upper limit:**
314 314  
326 +The upper limit of the threshold cannot exceed 2000mm.
315 315  
316 -Characterize the internal temperature value of the sensor.
328 +**Lower limit:**
317 317  
318 -**Example: **
319 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
320 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
330 +The lower limit of the threshold cannot be less than 3mm.
321 321  
322 322  
323 -==== (% style="color:blue" %)**Message Type**(%%) ====
324 -
325 -
326 -(((
327 -For a normal uplink payload, the message type is always 0x01.
328 -)))
329 -
330 -(((
331 -Valid Message Type:
332 -)))
333 -
334 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
335 -|=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
336 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
337 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
338 -
339 -[[image:image-20230805150315-4.png||height="233" width="723"]]
340 -
341 -
342 342  === 2.3.3 Historical measuring distance, FPORT~=3 ===
343 343  
344 344  
... ... @@ -470,90 +470,18 @@
470 470  
471 471  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
472 472  
473 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
464 +[[image:1701152946067-561.png]]
474 474  
475 475  
476 -== 2.5 Datalog Feature ==
467 +== 2.5 Frequency Plans ==
477 477  
478 478  
479 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DS20L will store the reading for future retrieving purposes.
480 -
481 -
482 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
483 -
484 -
485 -Set PNACKMD=1, DS20L will wait for ACK for every uplink, when there is no LoRaWAN network, DS20L will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
486 -
487 -* (((
488 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
489 -)))
490 -* (((
491 -b) DS20L will send data in **CONFIRMED Mode** when PNACKMD=1, but DS20L won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DS20L gets a ACK, DS20L will consider there is a network connection and resend all NONE-ACK messages.
492 -)))
493 -
494 -=== 2.5.2 Unix TimeStamp ===
495 -
496 -
497 -DS20L uses Unix TimeStamp format based on
498 -
499 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
500 -
501 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
502 -
503 -Below is the converter example
504 -
505 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
506 -
507 -
508 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
509 -
510 -
511 -=== 2.5.3 Set Device Time ===
512 -
513 -
514 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
515 -
516 -Once DS20L Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DS20L. If DS20L fails to get the time from the server, DS20L will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
517 -
518 -(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
519 -
520 -
521 -=== 2.5.4 Poll sensor value ===
522 -
523 -
524 -Users can poll sensor values based on timestamps. Below is the downlink command.
525 -
526 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
527 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
528 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
529 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
530 -
531 -(((
532 -Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
533 -)))
534 -
535 -(((
536 -For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
537 -)))
538 -
539 -(((
540 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
541 -)))
542 -
543 -(((
544 -Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
545 -)))
546 -
547 -
548 -== 2.6 Frequency Plans ==
549 -
550 -
551 551  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.
552 552  
553 553  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
554 554  
555 555  
556 -3. Configure DS20L
475 += 3. Configure DS20L =
557 557  
558 558  == 3.1 Configure Methods ==
559 559  
... ... @@ -625,10 +625,7 @@
625 625  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
626 626  )))
627 627  * (((
628 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
629 -
630 -
631 -
547 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
632 632  )))
633 633  
634 634  === 3.3.2 Set Interrupt Mode ===
... ... @@ -648,7 +648,7 @@
648 648  the mode is 0 =Disable Interrupt
649 649  )))
650 650  |(% style="width:154px" %)(((
651 -AT+INTMOD=2
567 +AT+INTMOD=3
652 652  
653 653  (default)
654 654  )))|(% style="width:196px" %)(((
... ... @@ -669,6 +669,74 @@
669 669  
670 670  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
671 671  
588 +
589 +== 3.3.3 Set work mode ==
590 +
591 +
592 +Feature: Switch working mode
593 +
594 +(% style="color:blue" %)**AT Command: AT+MOD**
595 +
596 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
597 +|=(% 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" %)**Response**
598 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
599 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
600 +OK
601 +Attention:Take effect after ATZ
602 +)))
603 +
604 +(% style="color:blue" %)**Downlink Command:**
605 +
606 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
607 +
608 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
609 +
610 +=== 3.3.4 Set threshold and threshold mode ===
611 +
612 +
613 +Feature, Set threshold and threshold mode
614 +
615 +When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
616 +
617 +(% style="color:blue" %)**AT Command: AT+DOL**
618 +
619 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
620 +|(% style="background-color:#4f81bd; color:white; width:162px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:240px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:108px" %)**Response**
621 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
622 +0,0,0,0,400
623 +OK
624 +)))
625 +|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
626 +
627 +
628 +
629 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
630 +|(% 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
631 +|(% style="width:251px" %)1: Use upper and lower limits
632 +|(% style="width:251px" %)2: Less than the lower limit
633 +|(% style="width:251px" %)3: Greater than the lower limit
634 +|(% style="width:251px" %)4: Less than the upper limit
635 +|(% style="width:251px" %)5: Greater than the upper limit
636 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
637 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
638 +|(% 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
639 +|(% style="width:251px" %)1 Person or object counting statistics
640 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
641 +0~~10000ms
642 +
643 +
644 +)))
645 +
646 +(% style="color:blue" %)**Downlink Command: 0x07**
647 +
648 +Format: Command Code (0x07) followed by 9bytes.
649 +
650 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
651 +
652 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
653 +
654 +
655 +
672 672  = 4. Battery & Power Consumption =
673 673  
674 674  
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