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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 116.4
edited by Xiaoling
on 2023/11/13 10:38
Change comment: There is no comment for this version
To version 120.2
edited by Xiaoling
on 2023/11/28 14:40
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -47,7 +47,6 @@
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 51  == 1.3 Specification ==
52 52  
53 53  
... ... @@ -61,9 +61,6 @@
61 61  * ToF FoV: ±9°, Total 18°
62 62  * Light source: VCSEL
63 63  
64 -
65 -
66 -
67 67  == 1.4 Power Consumption ==
68 68  
69 69  
... ... @@ -77,9 +77,6 @@
77 77  * Idle: 21 mA @ 3.3v
78 78  * Max : 360 mA
79 79  
80 -
81 -
82 -
83 83  = 2. Configure DS20L to connect to LoRaWAN network =
84 84  
85 85  == 2.1 How it works ==
... ... @@ -131,6 +131,7 @@
131 131  
132 132  (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
133 133  
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
134 134  
135 135  Press the button for 5 seconds to activate the DS20L.
136 136  
... ... @@ -156,9 +156,9 @@
156 156  
157 157  Example parse in TTNv3
158 158  
159 -[[image:image-20230805103904-1.png||height="131" width="711"]]
153 +[[image:1701149922873-259.png]]
160 160  
161 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
162 162  
163 163  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
164 164  
... ... @@ -232,114 +232,110 @@
232 232  [[Message Type>>||anchor="HMessageType"]]
233 233  )))
234 234  
235 -[[image:image-20230805104104-2.png||height="136" width="754"]]
229 +==== **MOD~=1** ====
236 236  
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.
237 237  
238 -==== (% style="color:blue" %)**Battery Info**(%%) ====
233 +Uplink Payload totals 10 bytes.
239 239  
235 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 +|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:41px;background-color:#4F81BD;color:white" %)**2**|(% style="width:176px;background-color:#4F81BD;color:white" %)**1**|(% style="width:74px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:119px;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
240 240  
241 -Check the battery voltage for DS20L.
242 242  
243 -Ex1: 0x0B45 = 2885mV
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
244 244  
245 -Ex2: 0x0B49 = 2889mV
242 +==== **Battery Info** ====
246 246  
244 +Check the battery voltage for DS20L
247 247  
248 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
246 +Ex1: 0x0E10 = 3600mV
249 249  
248 +**MOD & Alarm & Interrupt**
250 250  
251 -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:**
252 252  
252 +**Example: ** (0x60>>6) & 0x3f =1
253 253  
254 -**Example**:
254 +**0x01:**  Regularly detect distance and report.
255 +**0x02: ** Uninterrupted measurement (external power supply).
255 255  
256 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
257 +**Alarm:**
257 257  
258 -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.
259 259  
261 +**Interrupt:**
260 260  
261 -==== (% style="color:blue" %)**Distance**(%%) ====
263 +Whether it is an external interrupt.
262 262  
265 +==== Distance** info** ====
263 263  
264 -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.
265 -
266 -
267 267  **Example**:
268 268  
269 -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
270 270  
271 +==== **Sensor State** ====
271 271  
272 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
273 +Ex1: 0x00: Normal collection distance
273 273  
275 +Ex2 0x0x: Distance collection is wrong
274 274  
275 -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** ====
276 276  
279 +If payload is:000007D0H: count = 07D0H =2000
277 277  
278 -**Example**:
281 +**MOD=2**
279 279  
280 -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.
281 281  
282 -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
283 283  
284 284  
285 -**1) When the sensor detects valid data:**
289 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
286 286  
287 -[[image:image-20230805155335-1.png||height="145" width="724"]]
291 +**MOD & Alarm & Do & Limit** **flag**
288 288  
293 +**MOD:**
289 289  
290 -**2) When the sensor detects invalid data:**
295 +**Example: ** (0x60>>6) & 0x3f =1
291 291  
292 -[[image:image-20230805155428-2.png||height="139" width="726"]]
297 +**0x01:**  Regularly detect distance and report.
298 +**0x02: ** Uninterrupted measurement (external power supply).
293 293  
300 +**Alarm:**
294 294  
295 -**3) When the sensor is not connected:**
302 +When the detection distance exceeds the limit, the alarm flag is set to 1.
296 296  
297 -[[image:image-20230805155515-3.png||height="143" width="725"]]
304 +**Do:**
298 298  
306 +When the distance exceeds the set threshold, pull the Do pin high.
299 299  
300 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
308 +**Limit** **flag:**
301 301  
310 +Mode for setting threshold: 0~~5
302 302  
303 -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
304 304  
305 -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
306 306  
307 -**Example:**
316 +2: is less than the lower limit value
308 308  
309 -If byte[0]&0x01=0x00 : Normal uplink packet.
318 +3: is greater than the lower limit value
310 310  
311 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
320 +4: is less than the upper limit
312 312  
322 +5: is greater than the upper limit
313 313  
314 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
324 +**Upper limit:**
315 315  
326 +The upper limit of the threshold cannot exceed 2000mm.
316 316  
317 -Characterize the internal temperature value of the sensor.
328 +**Lower limit:**
318 318  
319 -**Example: **
320 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
321 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
330 +The lower limit of the threshold cannot be less than 3mm.
322 322  
323 323  
324 -==== (% style="color:blue" %)**Message Type**(%%) ====
325 -
326 -
327 -(((
328 -For a normal uplink payload, the message type is always 0x01.
329 -)))
330 -
331 -(((
332 -Valid Message Type:
333 -)))
334 -
335 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
336 -|=(% 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**
337 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
338 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
339 -
340 -[[image:image-20230805150315-4.png||height="233" width="723"]]
341 -
342 -
343 343  === 2.3.3 Historical measuring distance, FPORT~=3 ===
344 344  
345 345  
... ... @@ -471,90 +471,18 @@
471 471  
472 472  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
473 473  
474 -[[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]]
475 475  
476 476  
477 -== 2.5 Datalog Feature ==
467 +== 2.5 Frequency Plans ==
478 478  
479 479  
480 -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.
481 -
482 -
483 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
484 -
485 -
486 -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.
487 -
488 -* (((
489 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
490 -)))
491 -* (((
492 -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.
493 -)))
494 -
495 -=== 2.5.2 Unix TimeStamp ===
496 -
497 -
498 -DS20L uses Unix TimeStamp format based on
499 -
500 -[[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"]]
501 -
502 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
503 -
504 -Below is the converter example
505 -
506 -[[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"]]
507 -
508 -
509 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
510 -
511 -
512 -=== 2.5.3 Set Device Time ===
513 -
514 -
515 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
516 -
517 -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).
518 -
519 -(% 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.**
520 -
521 -
522 -=== 2.5.4 Poll sensor value ===
523 -
524 -
525 -Users can poll sensor values based on timestamps. Below is the downlink command.
526 -
527 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
528 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
529 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
530 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
531 -
532 -(((
533 -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.
534 -)))
535 -
536 -(((
537 -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"]]
538 -)))
539 -
540 -(((
541 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
542 -)))
543 -
544 -(((
545 -Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
546 -)))
547 -
548 -
549 -== 2.6 Frequency Plans ==
550 -
551 -
552 552  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.
553 553  
554 554  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
555 555  
556 556  
557 -3. Configure DS20L
475 += 3. Configure DS20L =
558 558  
559 559  == 3.1 Configure Methods ==
560 560  
... ... @@ -626,10 +626,7 @@
626 626  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
627 627  )))
628 628  * (((
629 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
630 -
631 -
632 -
547 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
633 633  )))
634 634  
635 635  === 3.3.2 Set Interrupt Mode ===
... ... @@ -649,7 +649,7 @@
649 649  the mode is 0 =Disable Interrupt
650 650  )))
651 651  |(% style="width:154px" %)(((
652 -AT+INTMOD=2
567 +AT+INTMOD=3
653 653  
654 654  (default)
655 655  )))|(% style="width:196px" %)(((
... ... @@ -670,6 +670,74 @@
670 670  
671 671  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
672 672  
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 +
673 673  = 4. Battery & Power Consumption =
674 674  
675 675  
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