Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 52.1 >
edited by Xiaoling
on 2022/06/01 14:35
To version < 42.1 >
edited by Xiaoling
on 2022/06/01 14:20
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Change comment: Uploaded new attachment "image-20220601142044-1.png", version {1}

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113 113  
114 114  If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
115 115  
116 -[[image:image-20220601143257-10.png]]
116 +[[image:image-20220527092629-8.png]]
117 117  
118 118  
119 119  (% class="box infomessage" %)
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161 161  If the configured parameters and commands are incorrect, the return value is not obtained.
162 162  )))
163 163  
164 -[[image:image-20220601143201-9.png]]
164 +[[image:image-20220527092748-9.png]]
165 165  
166 166  AT COMMAND
167 167  
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177 177  
178 178  c:  define the position for valid value.
179 179  
180 -[[image:image-20220601143115-8.png]]
180 +[[image:image-20220527092936-10.png]]
181 181  
182 182  AT COMMAND
183 183  
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186 186  PAYLOAD is available after the valid value is intercepted.
187 187  
188 188  
189 -[[image:image-20220601143046-7.png]]
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190 190  
191 191  AT COMMAND
192 192  
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250 250  Payload:01 00 02 39 85 08 DC 00 00 00 44
251 251  )))
252 252  
253 -[[image:image-20220601142936-6.png]]
253 +[[image:image-20220527093204-13.png]]
254 254  
255 255  AT COMMAND
256 256  
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357 357  
358 358  
359 359  
360 -[[image:image-20220601142805-5.png]]
360 +[[image:image-20220527093628-20.png]]
361 361  
362 362  DOWNLINK
363 363  
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423 423  )))
424 424  )))
425 425  
426 -[[image:image-20220601142044-1.png]]
426 +[[image:image-20220527093849-24.png]]
427 427  
428 428  
429 429  **Example**:These two meters are examples of setting parameters and device addresses.
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450 450  )))
451 451  )))
452 452  
453 -[[image:image-20220601142354-2.png]]
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454 454  
455 455  (% class="box infomessage" %)
456 456  (((
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477 477  
478 478  Its default device address is 01, and the following are the parameters for configuring two energy meters.
479 479  
480 -[[image:image-20220601142452-3.png]]
480 +[[image:image-20220527094150-28.png]]
481 481  
482 482  
483 -[[image:image-20220601142607-4.png]]
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484 484  
485 485  **PAYLOAD:01 08 DF 43 62**
486 486  
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507 507  
508 508  * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
509 509  
510 -
511 -
512 512  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
513 513  
514 514  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
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515 515  
516 516  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
517 517  
518 -
519 -
520 520  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
521 521  
522 522  [[image:image-20220527094556-31.png]]
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