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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 121.1
edited by Xiaoling
on 2023/11/28 15:04
Change comment: Uploaded new attachment "1701155076393-719.png", version {1}
To version 120.7
edited by Xiaoling
on 2023/11/28 14:55
Change comment: There is no comment for this version

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226 226  [[Message Type>>||anchor="HMessageType"]]
227 227  )))
228 228  
229 -==== (% style="color:red" %)**MOD~=1** ====
229 +==== **MOD~=1** ====
230 230  
231 231  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.
232 232  
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239 239  
240 240  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
241 241  
242 -(% style="color:blue" %)**Battery Info**
242 +==== **Battery Info** ====
243 243  
244 244  Check the battery voltage for DS20L
245 245  
246 246  Ex1: 0x0E10 = 3600mV
247 247  
248 -(% style="color:blue" %)**MOD & Alarm & Interrupt:**
248 +**MOD & Alarm & Interrupt**
249 249  
250 -(% style="color:red" %)**MOD:**
250 +**MOD:**
251 251  
252 252  **Example: ** (0x60>>6) & 0x3f =1
253 253  
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254 254  **0x01:**  Regularly detect distance and report.
255 255  **0x02: ** Uninterrupted measurement (external power supply).
256 256  
257 -(% style="color:red" %)**Alarm:**
257 +**Alarm:**
258 258  
259 259  When the detection distance exceeds the limit, the alarm flag is set to 1.
260 260  
261 -(% style="color:red" %)**Interrupt:**
261 +**Interrupt:**
262 262  
263 263  Whether it is an external interrupt.
264 264  
265 -(% style="color:blue" %)**Distance info**
265 +==== Distance** info** ====
266 266  
267 267  **Example**:
268 268  
269 269  If payload is: 0708H: distance = 0708H = 1800 mm
270 270  
271 -(% style="color:blue" %)**Sensor State**
271 +==== **Sensor State** ====
272 272  
273 273  Ex1: 0x00: Normal collection distance
274 274  
275 275  Ex2 0x0x: Distance collection is wrong
276 276  
277 -(% style="color:blue" %)**Interript Count**
277 +==== **Interript Count** ====
278 278  
279 279  If payload is:000007D0H: count = 07D0H =2000
280 280  
281 +**MOD=2**
281 281  
282 -
283 -
284 -==== (% style="color:red" %)**MOD=2** ====
285 -
286 286  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.
287 287  
288 288  (% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
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292 292  
293 293  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
294 294  
295 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
292 +**MOD & Alarm & Do & Limit** **flag**
296 296  
297 -(% style="color:red" %)**MOD:**
294 +**MOD:**
298 298  
299 299  **Example: ** (0x60>>6) & 0x3f =1
300 300  
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301 301  **0x01:**  Regularly detect distance and report.
302 302  **0x02: ** Uninterrupted measurement (external power supply).
303 303  
304 -(% style="color:red" %)**Alarm:**
301 +**Alarm:**
305 305  
306 306  When the detection distance exceeds the limit, the alarm flag is set to 1.
307 307  
308 -(% style="color:red" %)**Do:**
305 +**Do:**
309 309  
310 310  When the distance exceeds the set threshold, pull the Do pin high.
311 311  
312 -(% style="color:red" %)**Limit flag:**
309 +**Limit** **flag:**
313 313  
314 314  Mode for setting threshold: 0~~5
315 315  
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325 325  
326 326  5: is greater than the upper limit
327 327  
325 +**Upper limit:**
328 328  
329 -(% style="color:blue" %)**Upper limit:**
330 -
331 331  The upper limit of the threshold cannot exceed 2000mm.
332 332  
333 -(% style="color:blue" %)**Lower limit:**
329 +**Lower limit:**
334 334  
335 335  The lower limit of the threshold cannot be less than 3mm.
336 336  
1701155076393-719.png
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1 -XWiki.Xiaoling
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