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Details

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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1		-(% class="wikigeneratedid" %)
2		- **Contents:**
	1	+**Table of Contents:**
3	3
4	4	{{toc/}}
5	5
	5	+
	6	+
	7	+
	8	+
	9	+
6	6	= 1. Introduction =
7	7
	12	+
8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9	9
	15	+
10	10	== 1.1 Example 1: Connect to Leak relay and VFD ==
11	11
	18	+
12	12	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 Relay and VFD and communicate with Mobile. The structure is like below:
13	13
14		-[[image:image-20220527091852-1.png]]
15	15
16		-Connection
	22	+[[image:image-20220527091852-1.png||height="547" width="994"]]
17	17
	24	+**Connection**
18	18
19	19
	27	+
20	20	[[image:image-20220527091942-2.png]](% style="display:none" %)
21	21
22		-Connection
	30	+**Connection**
23	23
24	24
25		-Related documents:
	33	+(% style="color:blue" %)**Related documents:**
26	26
27		-* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
28		-* [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
	35	+* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
	36	+
	37	+* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code:  [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
	38	+
29	29	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30	30
31	31
32	32	== 1.2 Example 2: Connect to Pulse Counter ==
33	33
	44	+
34	34	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 Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
35	35
36		-[[image:image-20220527092058-3.png]]
37	37
38		-Connection
	48	+[[image:image-20220527092058-3.png||height="552" width="905"]]
39	39
	50	+**Connection**
40	40
41		-[[image:image-20220527092146-4.png]]
42	42
43		-Connection
44	44
45		-* [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document
	54	+[[image:image-20220527092146-4.png||height="507" width="906"]]
	55	+
	56	+**Connection**
	57	+
	58	+
	59	+(% style="color:blue" %)**Related documents:**
	60	+
	61	+* Configure Document:  [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/||_mstmutation="1"]]
	62	+
46	46	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
47	47
48		-(% class="wikigeneratedid" %)
49		-== ==
50	50
51		-== 1.3 Example3: Use RS485-LN with energy meters ==
	66	+== 1.3 Example 3: Use RS485-LN with energy meters ==
52	52
53	53	=== 1.3.1 OverView ===
54	54
	70	+
55	55	(((
56		-**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
	72	+(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
57	57	)))
58	58
59	59	(((
60	60	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
	77	+
	78	+
61	61	)))
62	62
63	63	[[image:image-20220527092419-5.png]]
64	64
65		-Connection1
	83	+**Connection1**
66	66
67	67
	86	+
68	68	(((
69		-How to connect with Energy Meter：
	88	+(% style="color:blue" %)**How to connect with Energy Meter：**
	89	+
	90	+
70	70	)))
71	71
72	72	(((
...	...	@@ -78,114 +78,125 @@
78	78	)))
79	79
80	80	(((
81		-Power Source VIN to RS485-LN VIN+
	102	+Power Source **VIN** to RS485-LN **VIN+**
82	82	)))
83	83
84	84	(((
85		-Power Source GND to RS485-LN VIN-
	106	+Power Source **GND** to RS485-LN **VIN-**
86	86	)))
87	87
88	88	(((
89	89	Once there is power, the RS485-LN will be on.
	111	+
	112	+
90	90	)))
91	91
92	92	[[image:image-20220527092514-6.png]]
93	93
94		-Connection2
	117	+**Connection2**
95	95
96	96
	120	+
97	97	[[image:image-20220527092555-7.png]]
98	98
99		-Connection3
	123	+**Connection3**
100	100
101	101
102	102	=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
103	103
	128	+
104	104	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.
105	105
106		-[[image:image-20220527092629-8.png]]
	131	+[[image:image-20220601143257-10.png]]
107	107
108	108
109		-(% class="box infomessage" %)
110		-(((
111		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
112		-)))
	134	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
113	113
114	114	* The first byte : slave address code (=001～247)
	137	+
115	115	* The second byte : read register value function code
	139	+
116	116	* 3rd and 4th bytes: start address of register to be read
	141	+
117	117	* 5th and 6th bytes: Number of registers to read
	143	+
118	118	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
119	119
120	120	(((
	147	+
	148	+
	149	+
121	121	How to parse the reading of the return command of the parameter：
122		-)))
123	123
124		-(% class="box infomessage" %)
125		-(((
126		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	152	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
127	127	)))
128	128
129	129	* The first byte ARD: slave address code (=001～254)
	156	+
130	130	* The second byte: Return to read function code
	158	+
131	131	* 3rd byte: total number of bytes
	160	+
132	132	* 4th～5th bytes: register data
	162	+
133	133	* The 6th and 7th bytes: CRC16 checksum
	164	+
134	134	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
135	135
136		-(% class="wikigeneratedid" %)
137		-(((
138		-
139		-)))
140	140
141	141	=== 1.3.3 How to configure RS485-LN and parse output commands ===
142	142
	170	+
143	143	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
144	144
145	145
146		-==== 1.3.3.1 via AT COMMAND: ====
	174	+==== **1.3.3.1 via AT COMMAND** ====
147	147
148		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
149	149
	177	+First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct.
	178	+
150	150	(((
151	151	If the configured parameters and commands are incorrect, the return value is not obtained.
	181	+
	182	+
152	152	)))
153	153
154		-[[image:image-20220527092748-9.png]]
	185	+[[image:image-20220601143201-9.png]]
155	155
156		-AT COMMAND
	187	+**AT COMMAND**
157	157
158	158
159	159	(% class="box infomessage" %)
160	160	(((
161		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	192	+ (% _mstmutation="1" %)**AT+DATACUTx **(%%):  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
162	162	)))
163	163
164		-a: length for the return of AT+COMMAND
	195	+a:  length for the return of AT+COMMAND
165	165
166		-b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
	197	+b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
167	167
168		-c: define the position for valid value.
	199	+c:  define the position for valid value.
169	169
170		-[[image:image-20220527092936-10.png]]
	201	+[[image:image-20220601143115-8.png]]
171	171
172		-AT COMMAND
	203	+**AT COMMAND**
173	173
174	174
	206	+
175	175	PAYLOAD is available after the valid value is intercepted.
176	176
	209	+[[image:image-20220601143046-7.png]]
177	177
178		-[[image:image-20220527093059-11.png]]
	211	+**AT COMMAND**
179	179
180		-AT COMMAND
181	181
182	182
183	183	You can get configured PAYLOAD on TTN.
184	184
185		-[[image:image-20220527093133-12.png]]
	217	+[[image:image-20220601143519-1.png]]
186	186
187	187	(((
188		-AT COMMAND
	220	+**AT COMMAND**
189	189	)))
190	190
191	191	(((
...	...	@@ -193,71 +193,79 @@
193	193	)))
194	194
195	195	(((
196		-**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	228	+(% style="color:blue" %)**Example**:
	229	+
	230	+(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
197	197	)))
198	198
199	199	(((
200		-RETURN1:01 03 02 00 02 39 85 00 00(return data)
	234	+RETURN1: 01 03 02 00 02 39 85 00 00(return data)
201	201	)))
202	202
203	203	(((
204		-AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
	238	+AT+DATACUT1: 9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
	239	+
	240	+
205	205	)))
206	206
207	207	(((
208		-CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
	244	+(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
209	209	)))
210	210
211	211	(((
212		-RETURN2:01 03 02 08 DC BE 1D(return data)
	248	+RETURN2: 01 03 02 08 DC BE 1D(return data)
213	213	)))
214	214
215	215	(((
216		-AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
	252	+AT+DATACUT2: 7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
	253	+
	254	+
217	217	)))
218	218
219	219	(((
220		-CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
	258	+(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
221	221	)))
222	222
223	223	(((
224		-RETURN3:01 03 04 00 00 00 44 FA 00(return data)
	262	+RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
225	225	)))
226	226
227	227	(((
228		-AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
	266	+AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
229	229	)))
230	230
231	231	(((
232		-Payload:01 00 02 39 85 08 DC 00 00 00 44
	270	+Payload: 01 00 02 39 85 08 DC 00 00 00 44
233	233	)))
234	234
235		-[[image:image-20220527093204-13.png]]
	273	+[[image:image-20220601142936-6.png]]
236	236
237	237	AT COMMAND
238	238
239	239
240		-01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
241	241
242		-[[image:image-20220527093251-14.png]]
	279	+(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
243	243
	281	+
	282	+[[image:image-20220601143642-2.png]]
	283	+
244	244	AT COMMAND
245	245
246	246
247		-==== 1.3.3.2 via LoRaWAN DOWNLINK ====
248	248
249		-[[image:image-20220512104358-3.png]]
	288	+==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
250	250
251		-(((
252		-DOWNLINK
253		-)))
254	254
	291	+[[image:image-20220527093358-15.png]]
	292	+
255	255	(((
256		-
	294	+**DOWNLINK**
257	257	)))
258	258
	297	+
	298	+
259	259	(((
260		-**Type Code 0xAF**
	300	+(% style="color:blue" %)**Type Code 0xAF**
261	261	)))
262	262
263	263	(((
...	...	@@ -268,7 +268,7 @@
268	268	)))
269	269
270	270	(((
271		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	311	+(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
272	272	)))
273	273
274	274	(((
...	...	@@ -303,41 +303,47 @@
303	303	will execute an uplink after got this command.
304	304	)))
305	305
	346	+
306	306	(((
307		-Example:
	348	+(% style="color:blue" %)**Example:**
308	308	)))
309	309
310	310	(((
311		-AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	352	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
312	312	)))
313	313
314		-[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
	355	+[[image:image-20220601144149-6.png]]
315	315
316		-DOWNLINK
	357	+**DOWNLINK**
317	317
318	318
319		-[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]]
320	320
321		-DOWNLINK
	361	+[[image:image-20220601143803-3.png]]
322	322
	363	+**DOWNLINK**
323	323
324		-[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
325	325
326		-DOWNLINK
327	327
	367	+[[image:image-20220601144053-5.png]]
328	328
329		-[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]]
	369	+**DOWNLINK**
330	330
331		-DOWNLINK
332	332
333	333
334		-[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
	373	+[[image:image-20220601143921-4.png]]
335	335
336		-DOWNLINK
337		-
	375	+**DOWNLINK**
338	338
	377	+
	378	+
	379	+[[image:image-20220601142805-5.png]]
	380	+
	381	+**DOWNLINK**
	382	+
	383	+
339	339	=== 1.3.4 How to configure and output commands for RS485 to USB ===
340	340
	386	+
341	341	(((
342	342	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.
343	343	)))
...	...	@@ -356,36 +356,45 @@
356	356
357	357	(((
358	358	check digit: Even
	405	+
	406	+
359	359	)))
360	360
361		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	409	+[[image:image-20220527093708-21.png]]
362	362
363		-USB
	411	+**USB**
364	364
365	365
366		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
367	367
368		-USB
	415	+[[image:image-20220527093747-22.png]]
369	369
	417	+**USB**
370	370
	419	+
	420	+
371	371	(((
372	372	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.
373	373	)))
374	374
375	375	(((
376		-**Example:**  input：01 03 00 31 00 02 95 c4
	426	+(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
377	377	)))
378	378
379	379	(((
380	380	output：01 03 04 00 00 00 42 7A 02
	431	+
	432	+
381	381	)))
382	382
383		-[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
	435	+[[image:image-20220527093821-23.png]]
384	384
385		-USB
	437	+**USB**
386	386
	439	+
	440	+
387	387	=== 1.3.5 How to configure multiple devices and modify device addresses ===
388	388
	443	+
389	389	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.
390	390
391	391	(((
...	...	@@ -394,14 +394,18 @@
394	394	)))
395	395	)))
396	396
397		-[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
	452	+[[image:image-20220601142044-1.png]]
398	398
399		-**Example**:These two meters are examples of setting parameters and device addresses.
400	400
401		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
	455	+(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
402	402
403		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
404	404
	458	+[[image:image-20220527093950-25.png]]
	459	+
	460	+
	461	+[[image:image-20220527094028-26.png]]
	462	+
	463	+
405	405	(((
406	406	(((
407	407	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.
...	...	@@ -410,7 +410,7 @@
410	410
411	411	(((
412	412	(((
413		-We can use AT+CFGDEV to set the device address.
	472	+We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
414	414	)))
415	415	)))
416	416
...	...	@@ -420,14 +420,18 @@
420	420	)))
421	421	)))
422	422
423		-[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
	482	+[[image:image-20220601142354-2.png]]
424	424
425		-AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
426	426
427		-* 01:device adaress
	485	+(% class="box infomessage" %)
	486	+(((
	487	+**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
	488	+)))
428	428
429		-* 10:function code
	490	+* 01: device adaress
430	430
	492	+* 10: function code
	493	+
431	431	* 00 61：Register address
432	432
433	433	* 00 01：Number of Registers
...	...	@@ -444,43 +444,73 @@
444	444
445	445	Its default device address is 01, and the following are the parameters for configuring two energy meters.
446	446
447		-[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
	510	+[[image:image-20220601142452-3.png]]
448	448
449		-[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
450	450
451		-PAYLOAD:01 08 DF 43 62
	513	+[[image:image-20220601142607-4.png]]
452	452
	515	+
	516	+(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
	517	+
453	453	* 08 DF is the valid value of the meter with device address 02.
454	454	* 43 62 is the valid value of the meter with device address 01.
455	455
	521	+(% style="display:none" %) (%%)
	522	+
	523	+
456	456	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
457	457
458		-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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
459	459
460		-[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
	527	+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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology.
461	461
462		-Connection
	529	+The structure is like below:
463	463
464		-* [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
	531	+[[image:image-20220527094330-30.png]]
465	465
	533	+**Connection**
	534	+
	535	+
	536	+* Configure Documen:  [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/||_mstmutation="1"]]
	537	+
	538	+
466	466	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
467	467
	541	+
468	468	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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:
469	469
470		-* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf]] : Configure Document For RS485-BL
	544	+* Configure Document For RS485-BL:  [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
471	471
472		-* [[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
	546	+* Configure Document for RS485-LN:  [[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||_mstmutation="1"]]
473	473
474		-== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
475	475
	549	+== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
	550	+
	551	+
476	476	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:
477	477
478		-* [[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
	554	+* Configure Document For RS485-LN:  [[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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
479	479
480		-== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
481	481
482		-[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
	557	+== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
483	483
	559	+
	560	+[[image:image-20220527094556-31.png]]
	561	+
	562	+
484	484	Network Structure
485	485
486	486	* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
	566	+
	567	+== ==
	568	+
	569	+== 1.8  Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
	570	+
	571	+This sketch uses 4 registers: some of them can be set by Dragino with a command, another is used to store value from a DS18B20 temperature sensor, or a random generated number. All data is 16bit uint, but the sketch shows also how to represent booleans and negative numbers.
	572	+
	573	+In the next days I will be adding more documentation, but I think it already explains users how to build their own modbus sensor to pair with Dragino RS485-BL.
	574	+
	575	+This is released the code under GNU LGPL licence on Github:
	576	+
	577	+[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
	578	+
	579	+

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