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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="763" width="573"]]
	71	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
72	72
73	73	Connection3
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...	...	@@ -292,6 +292,7 @@
292	292
293	293	DOWNLINK
294	294
	295	+
295	295	[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
296	296
297	297	DOWNLINK
...	...	@@ -319,12 +319,12 @@
319	319	check digit: Even
320	320	)))
321	321
322		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
	323	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
323	323
324	324	USB
325	325
326	326
327		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
	328	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
328	328
329	329	USB
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...	...	@@ -350,28 +350,36 @@
350	350	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.
351	351
352	352	(((
	354	+(((
353	353	Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
354	354	)))
	357	+)))
355	355
356	356	[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
357	357
358		-Example:These two meters are examples of setting parameters and device addresses.
	361	+**Example**:These two meters are examples of setting parameters and device addresses.
359	359
360		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
	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"]]
361	361
362	362	[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
363	363
364	364	(((
	368	+(((
365	365	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.
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	371	+)))
367	367
368	368	(((
	374	+(((
369	369	We can use AT+CFGDEV to set the device address.
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	377	+)))
371	371
372	372	(((
	380	+(((
373	373	We modify the device address 01 of the first energy meter to 02.
374	374	)))
	383	+)))
375	375
376	376	[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
377	377