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68	68	Connection2
69	69
70	70
71		-[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
	71	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
72	72
73	73	Connection3
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...	...	@@ -292,7 +292,6 @@
292	292
293	293	DOWNLINK
294	294
295		-
296	296	[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
297	297
298	298	DOWNLINK
...	...	@@ -320,12 +320,12 @@
320	320	check digit: Even
321	321	)))
322	322
323		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	322	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
324	324
325	325	USB
326	326
327	327
328		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
	327	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
329	329
330	330	USB
331	331
...	...	@@ -350,37 +350,21 @@
350	350
351	351	If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
352	352
353		-(((
354		-(((
355	355	Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
356		-)))
357		-)))
358	358
359	359	[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
360	360
361		-**Example**:These two meters are examples of setting parameters and device addresses.
	356	+Example:These two meters are examples of setting parameters and device addresses.
362	362
363		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
	358	+[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
364	364
365		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
	360	+[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]
366	366
367		-(((
368		-(((
369	369	First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address.
370		-)))
371		-)))
372	372
373		-(((
374		-(((
375	375	We can use AT+CFGDEV to set the device address.
376		-)))
377		-)))
378	378
379		-(((
380		-(((
381	381	We modify the device address 01 of the first energy meter to 02.
382		-)))
383		-)))
384	384
385	385	[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
386	386