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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 118.2
edited by Xiaoling
on 2023/11/28 14:00
Change comment: There is no comment for this version

Summary

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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  
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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  
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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 ==
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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  
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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  
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475 475  [[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"]]
476 476  
477 477  
478 -== 2.5 Datalog Feature ==
471 +== 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
479 += 3. Configure DS20L =
559 559  
560 560  == 3.1 Configure Methods ==
561 561  
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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 -
551 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
634 634  )))
635 635  
554 +
636 636  === 3.3.2 Set Interrupt Mode ===
637 637  
638 638  
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650 650  the mode is 0 =Disable Interrupt
651 651  )))
652 652  |(% style="width:154px" %)(((
653 -AT+INTMOD=2
572 +AT+INTMOD=3
654 654  
655 655  (default)
656 656  )))|(% style="width:196px" %)(((
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671 671  
672 672  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
673 673  
593 +
594 +
595 +== 3.3.3 Set work mode ==
596 +
597 +
598 +Feature: Switch working mode
599 +
600 +(% style="color:blue" %)**AT Command: AT+MOD**
601 +
602 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:463px" %)
603 +|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 108px;background-color:#4F81BD;color:white" %)**Response**
604 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
605 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
606 +OK
607 +
608 +Attention:Take effect after ATZ
609 +)))
610 +
611 +(% style="color:blue" %)**Downlink Command:**
612 +
613 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
614 +
615 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
616 +
617 +
618 +=== 3.3.4 Set threshold and threshold mode ===
619 +
620 +
621 +Feature, Set threshold and threshold mode
622 +
623 +When **AT+DOL=0,0,0,0,400** is set, No threshold is used, the sampling time is 400ms.
624 +
625 +**AT Command: AT+DOL**
626 +
627 +(% border="1" cellspacing="4" style="width:571.818px" %)
628 +|(% style="width:172px" %)**Command Example**|(% style="width:279px" %)**Function**|(% style="width:118px" %)**Response**
629 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
630 +0,0,0,0,400
631 +
632 +OK
633 +)))
634 +|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
635 +
636 +
637 +(% border="1" cellspacing="4" style="width:668.818px" %)
638 +|(% rowspan="11" style="width:166px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:226px" %)The first bit sets the limit mode|(% style="width:251px" %)0:Do not use upper and lower limits
639 +|(% style="width:251px" %)1:Use upper and lower limits
640 +|(% style="width:251px" %)2:Less than the lower limit
641 +|(% style="width:251px" %)3:Greater than the lower limit
642 +|(% style="width:251px" %)4:Less than the upper limit
643 +|(% style="width:251px" %)5: Greater than the upper limit
644 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
645 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
646 +|(% 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
647 +|(% style="width:251px" %)1 Person or object counting statistics
648 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
649 +0~~10000ms
650 +
651 +
652 +)))
653 +
654 +**Downlink Command: 0x07**
655 +
656 +Format: Command Code (0x07) followed by 9bytes.
657 +
658 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
659 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
660 +
674 674  = 4. Battery & Power Consumption =
675 675  
676 676  
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