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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 151.1
edited by Mengting Qiu
on 2023/12/08 11:58
Change comment: There is no comment for this version
To version 164.1
edited by Mengting Qiu
on 2023/12/11 15:10
Change comment: There is no comment for this version

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... ... @@ -118,6 +118,10 @@
118 118  
119 119  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.
122 +
123 +The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
124 +
121 121  (% 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.
122 122  
123 123  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
... ... @@ -197,7 +197,7 @@
197 197  === 2.3.2 Uplink Payload, FPORT~=2 ===
198 198  
199 199  
200 -==== (% style="color:red" %)**MOD~=1**(%%) ====
204 +==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
201 201  
202 202  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.
203 203  
... ... @@ -207,7 +207,7 @@
207 207  |(% 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**
208 208  |(% 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
209 209  
210 -[[image:image-20231206195704-6.png||height="238" width="999"]]
214 +[[image:image-20231209152917-1.png||height="300" width="1172"]]
211 211  
212 212  (% style="color:blue" %)**Battery Info:**
213 213  
... ... @@ -254,15 +254,91 @@
254 254  
255 255  
256 256  
257 -==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
261 +==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
258 258  
259 -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.
260 260  
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 +
261 261  (% 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 +
278 +[[image:image-20231209171127-3.png||height="374" width="1209"]]
279 +
280 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 +
282 +(% style="color:red" %)**MOD:**
283 +
284 +**Example: ** (0x60>>6) & 0x3f =1
285 +
286 +**0x01:**  Regularly detect distance and report.
287 +**0x02: ** Uninterrupted measurement (external power supply).
288 +
289 +(% style="color:red" %)**Alarm:**
290 +
291 +When the detection distance exceeds the limit, the alarm flag is set to 1.
292 +
293 +(% style="color:red" %)**Do:**
294 +
295 +When the distance exceeds the set threshold, pull the Do pin high.
296 +
297 +(% style="color:red" %)**Limit flag:**
298 +
299 +Mode for setting threshold: **0~~3**
300 +
301 +**0:** does not use upper and lower limits
302 +
303 +**1:** Use upper and lower limits
304 +
305 +**2:** Less than the upper limit
306 +
307 +**3: **Greater than the lower limit
308 +
309 +
310 +(% style="color:blue" %)**Distance:**
311 +
312 + Actual sampling distance values.
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 +(% style="color:blue" %)**Upper limit:**
328 +
329 +The upper limit of the threshold cannot exceed 2000mm.
330 +
331 +
332 +(% style="color:blue" %)**Lower limit:**
333 +
334 +The lower limit of the threshold cannot be less than 3mm.
335 +
336 +
337 +* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
338 +
339 +Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
340 +
341 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
262 262  |(% 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**
263 -|(% 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
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
264 264  
265 -[[image:1701155150328-206.png]]
345 +[[image:image-20231209173457-5.png||height="277" width="1098"]]
266 266  
267 267  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
268 268  
... ... @@ -283,21 +283,32 @@
283 283  
284 284  (% style="color:red" %)**Limit flag:**
285 285  
286 -Mode for setting threshold: **0~~5**
366 +Mode for setting threshold: **0~~3**
287 287  
288 288  **0:** does not use upper and lower limits
289 289  
290 290  **1:** Use upper and lower limits
291 291  
292 -**2:** is less than the lower limit value
372 +**2:** Less than the upper limit
293 293  
294 -**3:** is greater than the lower limit value
374 +**3: **Greater than the lower limit
295 295  
296 -**4:** is less than the upper limit
297 297  
298 -**5:** is greater than the upper limit
377 +(% style="color:blue" %)**Distance limit alarm count:**
299 299  
379 +People or objects are collected and counted within a limited distance.
300 300  
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.
382 +
383 +**Example:**
384 +
385 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
386 +
387 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
388 +
389 +If payload is: 0x56H, interrupt count =0x56H =86
390 +
391 +
301 301  (% style="color:blue" %)**Upper limit:**
302 302  
303 303  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -557,7 +557,7 @@
557 557  |(% 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
558 558  |(% style="width:251px" %)1 Person or object counting statistics
559 559  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
560 -0~~10000ms
651 +100~~10000ms
561 561  
562 562  
563 563  )))
... ... @@ -575,9 +575,30 @@
575 575  * Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
576 576  
577 577  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
669 +*
578 578  
671 +(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.** (%%)For example:
579 579  
673 +* **AT+MOD=1**
580 580  
675 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
676 +
677 +Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
678 +
679 +[[image:image-20231211113204-2.png||height="292" width="1093"]]
680 +
681 +* **AT+MOD=2  **
682 +
683 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
684 +
685 +If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
686 +
687 +[[image:image-20231211114932-3.png||height="277" width="1248"]]
688 +
689 +
690 +
691 +
692 +
581 581  = 4. Battery & Power Consumption =
582 582  
583 583  
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