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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 158.1
edited by Mengting Qiu
on 2023/12/09 17:34
Change comment: Uploaded new attachment "image-20231209173457-5.png", version {1}
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  
... ... @@ -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:image-20231209155616-2.png||height="271" width="1262"]]
345 +[[image:image-20231209173457-5.png||height="277" width="1098"]]
266 266  
267 267  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
268 268  
... ... @@ -294,6 +294,21 @@
294 294  **3: **Greater than the lower limit
295 295  
296 296  
377 +(% style="color:blue" %)**Distance limit alarm count:**
378 +
379 +People or objects are collected and counted within a limited distance.
380 +
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 +
297 297  (% style="color:blue" %)**Upper limit:**
298 298  
299 299  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -571,7 +571,30 @@
571 571  * Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
572 572  
573 573  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
669 +*
574 574  
671 +(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.** (%%)For example:
672 +
673 +* **AT+MOD=1**
674 +
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 +
575 575  = 4. Battery & Power Consumption =
576 576  
577 577  
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