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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 95.1
edited by Karry Zhuang
on 2024/04/28 17:59
Change comment: Uploaded new attachment "image-20240428175925-10.jpeg", version {1}
To version 111.2
edited by Karry Zhuang
on 2024/04/29 15:08
Change comment: There is no comment for this version

Summary

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130 130  
131 131  This power meter is designed in accordance with the Chinese standard for Electricity metering equipment, GB/T 17215.321-2008. It features six dial numbers for measurement accuracy.
132 132  
133 -=== 2.2.2 Fix Sensor to a Power Meter ===
133 +=== 2.2.2 Fix Sensor to a Power Meter(% title="Click and drag to resize" %)​(%%) ===
134 134  
135 -Do the following with EVB_Board
136 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
137 -AIoT Board SW123456=[off off off off off off]
138 -
139 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% title="Click and drag to resize" %)​
140 -
141 141  You can utilize a couple of pea clips or other suitable fixtures to securely fasten the AIS sensor and ensure precise alignment of the camera with the digital watch wheel.
142 142  
143 -[[image:image-20240422092350-2.png]](% title="Click and drag to resize" %)​
137 +[[image:image-20240429091325-1.png||height="706" width="535"]]
144 144  
145 -
146 146  === 2.2.3 Calibration ===
147 147  
148 148  Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
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217 217  
218 218  === 2.3.2 Fix Sensor to a Gas Meter ===
219 219  
220 -Do the following with EVB_Board
221 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
222 -AIoT Board SW123456=[off off off off off off]
213 +You can utilize a couple of pea clips or other suitable fixtures to securely fasten the AIS sensor and ensure precise alignment of the camera with the digital watch wheel.
223 223  
224 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% title="Click and drag to resize" %)​
215 +[[image:image-20240429092436-2.png||height="676" width="519"]]
225 225  
226 -Use a hot glue gun and several sticks to attach  for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the gas meter.
227 227  
228 -(% title="Click and drag to resize" %)​[[image:image-20240422092731-2.png||height="693" width="518"]]
229 -
230 -
231 231  === 2.3.3 Calibration ===
232 232  
233 233  Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
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291 291  
292 292  After the calibration process is completed, it can be observed that the obtained reading aligns consistently with the numerical value displayed on the digital wheel dial.
293 293  
281 +[[image:1714358288601-933.png]]
294 294  
295 295  == 2.4 Digital wheel dial take point coordinate diagram ==
296 296  
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320 320  == (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) ==
321 321  
322 322  
323 -== (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) ==
311 +=== 3.1.1 Uplink Payload (Fport~=5) ===
324 324  
325 -
313 +The uplink payload includes totally 14 bytes. Uplink packets use FPORT=5 and (% style="color:#4472c4" %)**every 20 minutes**(%%) send one uplink by default.
314 +
315 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:370px" %)
316 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**Size(bytes)(% style="display:none" %) (%%)**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)2|=(% style="width: 80px;background-color:#4F81BD;color:white" %)4|=(% style="width: 80px;background-color:#4F81BD;color:white" %)4|=(% style="width: 60px;background-color:#4F81BD;color:white" %)4
317 +|(% style="width:99px" %)Value|(% style="width:62px" %)BAT|sysTimeCurrent|Integer|Decimal
318 +
319 +[[image:1714374026505-898.png||height="200" width="736"]]
320 +
321 +Payload Example（FPort=5）：(% style="background-color:yellow" %)**0D 32 66 29 AF E0 00 00 00 02 00 05 E3 B0**
322 +
323 +=== 3.1.2 BAT- Battery information ===
324 +
325 +These two bytes of BAT include the battery state and the actual voltage.
326 +
327 +**Ex**：0x0B32 = 3378mV
328 +
329 +=== 3.1.3 sysTimeCurrent ===
330 +
331 +These four bytes contain the year, month, day, hour, minute, and second of the time.
332 +
333 +AI Sensor use Unix TimeStamp format based on
334 +
335 +[[image:1714374373681-339.png||height="81" width="527"]]
336 +
337 +Users can get this time from the link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
338 +
339 +Below is the converter example
340 +
341 +**Ex**：6629AFE0=2024-04-25 01:20:32
342 +
343 +[[image:1714374389825-148.png||height="313" width="428"]][[image:1714374398047-940.png||height="214" width="508"]]
344 +
345 +So, we can use AT+TIMESTAMP=1714012723 or downlink 6629C233 to set the current time 2024 – April ~-~- 25 Thursday 02:38:41
346 +
347 +=== 3.1.4 Integer ===
348 +
349 +These four bytes display the integers in the digital wheel face
350 +
351 +[[image:file:///C:/Users/zzccc/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]][[image:1714374445395-196.png]]
352 +
353 +Read table integer：0x00000002=2
354 +
355 +=== 3.1.5 Decimal ===
356 +
357 +These four bytes display decimals on the digital wheel.
358 +
359 +[[image:1714374493101-914.png]][[image:file:///C:/Users/zzccc/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]
360 +
361 +Read table decimals：0x005E3B0/1000000= 0.385968
362 +
363 +
364 +== (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) ==
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