Skip to Content
Last modified by Mengting Qiu on 2023/12/14 11:15
From version 116.3
edited by Xiaoling
on 2023/11/13 10:38
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

Details

Page properties
Content
... ... @@ -47,8 +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 -(% style="display:none" %)
51 -
52 52  == 1.3 Specification ==
53 53  
54 54  
... ... @@ -62,9 +62,6 @@
62 62  * ToF FoV: ±9°, Total 18°
63 63  * Light source: VCSEL
64 64  
65 -(% style="display:none" %)
66 -
67 -
68 68  == 1.4 Power Consumption ==
69 69  
70 70  
... ... @@ -78,9 +78,6 @@
78 78  * Idle: 21 mA @ 3.3v
79 79  * Max : 360 mA
80 80  
81 -
82 -
83 -
84 84  = 2. Configure DS20L to connect to LoRaWAN network =
85 85  
86 86  == 2.1 How it works ==
... ... @@ -132,6 +132,7 @@
132 132  
133 133  (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
134 134  
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
135 135  
136 136  Press the button for 5 seconds to activate the DS20L.
137 137  
... ... @@ -157,9 +157,9 @@
157 157  
158 158  Example parse in TTNv3
159 159  
160 -[[image:image-20230805103904-1.png||height="131" width="711"]]
153 +[[image:1701149922873-259.png]]
161 161  
162 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
163 163  
164 164  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
165 165  
... ... @@ -233,114 +233,110 @@
233 233  [[Message Type>>||anchor="HMessageType"]]
234 234  )))
235 235  
236 -[[image:image-20230805104104-2.png||height="136" width="754"]]
229 +==== **MOD~=1** ====
237 237  
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.
238 238  
239 -==== (% style="color:blue" %)**Battery Info**(%%) ====
233 +Uplink Payload totals 10 bytes.
240 240  
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
241 241  
242 -Check the battery voltage for DS20L.
243 243  
244 -Ex1: 0x0B45 = 2885mV
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
245 245  
246 -Ex2: 0x0B49 = 2889mV
242 +==== **Battery Info** ====
247 247  
244 +Check the battery voltage for DS20L
248 248  
249 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
246 +Ex1: 0x0E10 = 3600mV
250 250  
248 +**MOD & Alarm & Interrupt**
251 251  
252 -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:**
253 253  
252 +**Example: ** (0x60>>6) & 0x3f =1
254 254  
255 -**Example**:
254 +**0x01:**  Regularly detect distance and report.
255 +**0x02: ** Uninterrupted measurement (external power supply).
256 256  
257 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
257 +**Alarm:**
258 258  
259 -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.
260 260  
261 +**Interrupt:**
261 261  
262 -==== (% style="color:blue" %)**Distance**(%%) ====
263 +Whether it is an external interrupt.
263 263  
265 +==== Distance** info** ====
264 264  
265 -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.
266 -
267 -
268 268  **Example**:
269 269  
270 -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
271 271  
271 +==== **Sensor State** ====
272 272  
273 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
273 +Ex1: 0x00: Normal collection distance
274 274  
275 +Ex2 0x0x: Distance collection is wrong
275 275  
276 -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** ====
277 277  
279 +If payload is:000007D0H: count = 07D0H =2000
278 278  
279 -**Example**:
281 +**MOD=2**
280 280  
281 -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.
282 282  
283 -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
284 284  
285 285  
286 -**1) When the sensor detects valid data:**
289 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
287 287  
288 -[[image:image-20230805155335-1.png||height="145" width="724"]]
291 +**MOD & Alarm & Do & Limit** **flag**
289 289  
293 +**MOD:**
290 290  
291 -**2) When the sensor detects invalid data:**
295 +**Example: ** (0x60>>6) & 0x3f =1
292 292  
293 -[[image:image-20230805155428-2.png||height="139" width="726"]]
297 +**0x01:**  Regularly detect distance and report.
298 +**0x02: ** Uninterrupted measurement (external power supply).
294 294  
300 +**Alarm:**
295 295  
296 -**3) When the sensor is not connected:**
302 +When the detection distance exceeds the limit, the alarm flag is set to 1.
297 297  
298 -[[image:image-20230805155515-3.png||height="143" width="725"]]
304 +**Do:**
299 299  
306 +When the distance exceeds the set threshold, pull the Do pin high.
300 300  
301 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
308 +**Limit** **flag:**
302 302  
310 +Mode for setting threshold: 0~~5
303 303  
304 -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
305 305  
306 -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
307 307  
308 -**Example:**
316 +2: is less than the lower limit value
309 309  
310 -If byte[0]&0x01=0x00 : Normal uplink packet.
318 +3: is greater than the lower limit value
311 311  
312 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
320 +4: is less than the upper limit
313 313  
322 +5: is greater than the upper limit
314 314  
315 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
324 +**Upper limit:**
316 316  
326 +The upper limit of the threshold cannot exceed 2000mm.
317 317  
318 -Characterize the internal temperature value of the sensor.
328 +**Lower limit:**
319 319  
320 -**Example: **
321 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
322 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
330 +The lower limit of the threshold cannot be less than 3mm.
323 323  
324 324  
325 -==== (% style="color:blue" %)**Message Type**(%%) ====
326 -
327 -
328 -(((
329 -For a normal uplink payload, the message type is always 0x01.
330 -)))
331 -
332 -(((
333 -Valid Message Type:
334 -)))
335 -
336 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
337 -|=(% 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**
338 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
339 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
340 -
341 -[[image:image-20230805150315-4.png||height="233" width="723"]]
342 -
343 -
344 344  === 2.3.3 Historical measuring distance, FPORT~=3 ===
345 345  
346 346  
... ... @@ -472,90 +472,18 @@
472 472  
473 473  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
474 474  
475 -[[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]]
476 476  
477 477  
478 -== 2.5 Datalog Feature ==
467 +== 2.5 Frequency Plans ==
479 479  
480 480  
481 -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.
482 -
483 -
484 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
485 -
486 -
487 -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.
488 -
489 -* (((
490 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
491 -)))
492 -* (((
493 -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.
494 -)))
495 -
496 -=== 2.5.2 Unix TimeStamp ===
497 -
498 -
499 -DS20L uses Unix TimeStamp format based on
500 -
501 -[[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"]]
502 -
503 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
504 -
505 -Below is the converter example
506 -
507 -[[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"]]
508 -
509 -
510 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
511 -
512 -
513 -=== 2.5.3 Set Device Time ===
514 -
515 -
516 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
517 -
518 -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).
519 -
520 -(% 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.**
521 -
522 -
523 -=== 2.5.4 Poll sensor value ===
524 -
525 -
526 -Users can poll sensor values based on timestamps. Below is the downlink command.
527 -
528 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
529 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
530 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
531 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
532 -
533 -(((
534 -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.
535 -)))
536 -
537 -(((
538 -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"]]
539 -)))
540 -
541 -(((
542 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
543 -)))
544 -
545 -(((
546 -Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
547 -)))
548 -
549 -
550 -== 2.6 Frequency Plans ==
551 -
552 -
553 553  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.
554 554  
555 555  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
556 556  
557 557  
558 -3. Configure DS20L
475 += 3. Configure DS20L =
559 559  
560 560  == 3.1 Configure Methods ==
561 561  
... ... @@ -627,10 +627,7 @@
627 627  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
628 628  )))
629 629  * (((
630 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
631 -
632 -
633 -
547 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
634 634  )))
635 635  
636 636  === 3.3.2 Set Interrupt Mode ===
... ... @@ -650,7 +650,7 @@
650 650  the mode is 0 =Disable Interrupt
651 651  )))
652 652  |(% style="width:154px" %)(((
653 -AT+INTMOD=2
567 +AT+INTMOD=3
654 654  
655 655  (default)
656 656  )))|(% style="width:196px" %)(((
... ... @@ -671,6 +671,74 @@
671 671  
672 672  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
673 673  
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 +
674 674  = 4. Battery & Power Consumption =
675 675  
676 676  
1701149922873-259.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +24.5 KB
Content
1701152902759-553.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +52.2 KB
Content
1701152946067-561.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +52.2 KB
Content
image-20231128133704-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +190.6 KB
Content