Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -68,7 +68,7 @@
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
74	74
...	...	@@ -154,6 +154,10 @@
154	154	)))
155	155
156	156	(((
	157	+
	158	+)))
	159	+
	160	+(((
157	157	**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
158	158	)))
159	159
...	...	@@ -288,6 +288,7 @@
288	288
289	289	DOWNLINK
290	290
	295	+
291	291	[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
292	292
293	293	DOWNLINK
...	...	@@ -295,30 +295,47 @@
295	295
296	296	=== 1.3.4 How to configure and output commands for RS485 to USB ===
297	297
	303	+(((
298	298	This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
	305	+)))
299	299
	307	+(((
300	300	First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter.
	309	+)))
301	301
	311	+(((
302	302	Open the serial port debugging, set the send and receive to HEX.
	313	+)))
303	303
	315	+(((
304	304	Baud rate: 9600
	317	+)))
305	305
	319	+(((
306	306	check digit: Even
	321	+)))
307	307
308		-[[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"]]
309	309
310	310	USB
311	311
312		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
313	313
	328	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
	329	+
314	314	USB
315	315
	332	+
	333	+(((
316	316	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.
	335	+)))
317	317
318		-Example:input：01 03 00 31 00 02 95 c4
	337	+(((
	338	+**Example:**  input：01 03 00 31 00 02 95 c4
	339	+)))
319	319
320		-{{{ output:01 03 04 00 00 00 42 7A 02
321		-}}}
	341	+(((
	342	+ output:01 03 04 00 00 00 42 7A 02
	343	+)))
322	322
323	323	[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
324	324
...	...	@@ -328,7 +328,11 @@
328	328
329	329	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.
330	330
	353	+(((
	354	+(((
331	331	Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
	356	+)))
	357	+)))
332	332
333	333	[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
334	334
...	...	@@ -336,13 +336,19 @@
336	336
337	337	[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
338	338
339		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]
	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"]]
340	340
	367	+(((
341	341	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.
	369	+)))
342	342
	371	+(((
343	343	We can use AT+CFGDEV to set the device address.
	373	+)))
344	344
	375	+(((
345	345	We modify the device address 01 of the first energy meter to 02.
	377	+)))
346	346
347	347	[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
348	348