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1	1	(% class="wikigeneratedid" %)
2		-*
	2	+*
3	3	** Table of** **Contents:
4	4
5	5	{{toc/}}
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295	295	)))
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298		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	298	+(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
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336		-(% style="color:#4f81bd" %)**Example:**
	336	+(% style="color:blue" %)**Example:**
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389	389
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391	391	check digit: Even
	392	+
	393	+
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393	393
394	394	[[image:image-20220527093708-21.png]]
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405	405
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407	407	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.
	410	+
	411	+
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411		-(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
	415	+(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
412	412	)))
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415	415	output：01 03 04 00 00 00 42 7A 02
	420	+
	421	+
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417	417
418	418	[[image:image-20220527093821-23.png]]
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422	422
423	423	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
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	431	+
425	425	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.
426	426
427	427	(((
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433	433	[[image:image-20220601142044-1.png]]
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436		-**Example**:These two meters are examples of setting parameters and device addresses.
	443	+(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
437	437
438	438	[[image:image-20220527093950-25.png]]
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