Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.23 >
edited by Xiaoling
on 2022/06/01 14:17
To version < 51.2 >
edited by Xiaoling
on 2022/06/01 14:33
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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-20220527092629-8.png]]
116 +[[image:image-20220601143257-10.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-20220527092748-9.png]]
164 +[[image:image-20220601143201-9.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-20220527092936-10.png]]
180 +[[image:image-20220601143115-8.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-20220527093059-11.png]]
189 +[[image:image-20220601143046-7.png]]
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-20220527093204-13.png]]
253 +[[image:image-20220601142936-6.png]]
254 254  
255 255  AT COMMAND
256 256  
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357 357  
358 358  
359 359  
360 -[[image:image-20220527093628-20.png]]
360 +[[image:image-20220601142805-5.png]]
361 361  
362 362  DOWNLINK
363 363  
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395 395  USB
396 396  
397 397  
398 +
398 398  (((
399 399  The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
400 400  )))
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422 422  )))
423 423  )))
424 424  
425 -[[image:image-20220527093849-24.png]]
426 +[[image:image-20220601142044-1.png]]
426 426  
427 427  
428 428  **Example**:These two meters are examples of setting parameters and device addresses.
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449 449  )))
450 450  )))
451 451  
452 -[[image:image-20220527094100-27.png]]
453 +[[image:image-20220601142354-2.png]]
453 453  
454 454  (% class="box infomessage" %)
455 455  (((
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476 476  
477 477  Its default device address is 01, and the following are the parameters for configuring two energy meters.
478 478  
479 -[[image:image-20220527094150-28.png]]
480 +[[image:image-20220601142452-3.png]]
480 480  
481 481  
482 -[[image:image-20220527094224-29.png]]
483 +[[image:image-20220601142607-4.png]]
483 483  
484 484  **PAYLOAD:01 08 DF 43 62**
485 485  
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506 506  
507 507  * [[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
508 508  
510 +
511 +
509 509  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
510 510  
511 511  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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512 512  
513 513  * [[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
514 514  
518 +
519 +
515 515  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
516 516  
517 517  [[image:image-20220527094556-31.png]]
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