Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual

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1		-RS485-LN – RS485 to LoRaWAN Converter User Manual
	1	+RS485-LN – RS485 to LoRaWAN Converter

Content

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1		-(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
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5	5
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7		-)))
8	8
9	9
	6	+**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10	10
11	11
12		-
13		-
14		-
15	15	**Table of Contents:**
16	16
17		-{{toc/}}
18	18
19	19
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23		-)))
24	24
25	25
26		-
27		-
28		-
29		-
30		-
31	31	= 1.Introduction =
32	32
33		-
34	34	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35	35
36	36	(((
37	37	(((
38		-(((
39		-
40		-
41	41	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
42	42	)))
43		-)))
44	44
45	45	(((
46		-(((
47	47	RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
48	48	)))
49		-)))
50	50
51	51	(((
52		-(((
53	53	(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
54	54	)))
55		-)))
56	56
57	57	(((
58		-(((
59	59	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
60		-)))
61	61
62		-(((
63	63	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
64		-
65		-
66	66	)))
67	67	)))
68		-)))
69	69
70		-(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	39	+[[image:1653267211009-519.png||height="419" width="724"]]
71	71
72	72
73		-
74	74	== 1.2 Specifications ==
75	75
76	76
77		-(% style="color:#037691" %)**Hardware System:**
	45	+**Hardware System:**
78	78
79	79	* STM32L072CZT6 MCU
80	80	* SX1276/78 Wireless Chip
...	...	@@ -82,12 +82,12 @@
82	82	** Idle: 32mA@12v
83	83	** 20dB Transmit: 65mA@12v
84	84
85		-(% style="color:#037691" %)**Interface for Model:**
	53	+**Interface for Model:**
86	86
87	87	* RS485
88	88	* Power Input 7~~ 24V DC.
89	89
90		-(% style="color:#037691" %)**LoRa Spec:**
	58	+**LoRa Spec:**
91	91
92	92	* Frequency Range:
93	93	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -106,15 +106,14 @@
106	106	* Preamble detection.
107	107	* 127 dB Dynamic Range RSSI.
108	108	* Automatic RF Sense and CAD with ultra-fast AFC.
109		-* Packet engine up to 256 bytes with CRC
	77	+* Packet engine up to 256 bytes with CRC.
110	110
111	111
112	112
113	113	== 1.3 Features ==
114	114
115		-
116	116	* LoRaWAN Class A & Class C protocol (default Class C)
117		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
	84	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
118	118	* AT Commands to change parameters
119	119	* Remote configure parameters via LoRa Downlink
120	120	* Firmware upgradable via program port
...	...	@@ -126,7 +126,6 @@
126	126
127	127	== 1.4 Applications ==
128	128
129		-
130	130	* Smart Buildings & Home Automation
131	131	* Logistics and Supply Chain Management
132	132	* Smart Metering
...	...	@@ -138,25 +138,17 @@
138	138
139	139	== 1.5 Firmware Change log ==
140	140
141		-
142	142	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
143	143
144	144
145		-
146	146	== 1.6 Hardware Change log ==
147	147
148		-
149	149	(((
150	150	(((
151		-(((
152	152	v1.2: Add External Interrupt Pin.
153		-)))
154	154
155		-(((
156	156	v1.0: Release
157		-)))
158	158
159		-
160	160
161	161	)))
162	162	)))
...	...	@@ -163,7 +163,6 @@
163	163
164	164	= 2. Power ON Device =
165	165
166		-
167	167	(((
168	168	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
169	169
...	...	@@ -174,36 +174,28 @@
174	174	Once there is power, the RS485-LN will be on.
175	175	)))
176	176
177		-(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	134	+[[image:1653268091319-405.png]]
178	178
179		-
180	180
181	181	)))
182	182
183	183	= 3. Operation Mode =
184	184
185		-
186	186	== 3.1 How it works? ==
187	187
188		-
189	189	(((
190		-(((
191	191	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
192		-)))
193	193
194		-
195	195
196	196	)))
197	197
198	198	== 3.2 Example to join LoRaWAN network ==
199	199
200		-
201	201	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
202	202
	153	+[[image:1653268155545-638.png||height="334" width="724"]]
203	203
204		-(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
205	205
206		-
207	207	(((
208	208	(((
209	209	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
...	...	@@ -211,21 +211,16 @@
211	211
212	212	(((
213	213	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
214		-
215		-
216	216	)))
217	217
218		-(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	165	+[[image:1653268227651-549.png||height="592" width="720"]]
219	219
220		-
221	221	(((
222		-The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
223		-
224		-
	168	+The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
225	225	)))
226	226
227	227	(((
228		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
	172	+**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
229	229	)))
230	230
231	231	(((
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233	233	)))
234	234	)))
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236		-(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	180	+[[image:1652953462722-299.png]]
237	237
238		-
239	239	(((
240	240	(((
241	241	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
242		-
243		-
244	244	)))
245	245
246	246	(((
247		-**Add APP EUI in the application.**
	188	+Add APP EUI in the application.
248	248	)))
249	249	)))
250	250
251		-(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	192	+[[image:image-20220519174512-1.png]]
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	194	+[[image:image-20220519174512-2.png||height="323" width="720"]]
254	254
255		-(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	196	+[[image:image-20220519174512-3.png||height="556" width="724"]]
256	256
257		-(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
	198	+[[image:image-20220519174512-4.png]]
258	258
259		-
260		-(% title="Click and drag to resize" %)​
261		-
262	262	You can also choose to create the device manually.
263	263
264		-(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	202	+[[image:1652953542269-423.png||height="710" width="723"]]
265	265
	204	+Add APP KEY and DEV EUI
266	266
	206	+[[image:1652953553383-907.png||height="514" width="724"]]
267	267
268		-**Add APP KEY and DEV EUI**
269	269
270		-(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
271		-
272		-
273		-
274	274	(((
275		-(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
276		-
277		-
	210	+**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
278	278	)))
279	279
280		-(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	213	+[[image:1652953568895-172.png||height="232" width="724"]]
281	281
282	282
283		-
284	284	== 3.3 Configure Commands to read data ==
285	285
286		-
287	287	(((
288	288	(((
289		-(((
290		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
291		-
292		-
	220	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
293	293	)))
294		-)))
295	295
296	296	(((
297		-(((
298		-(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
299		-)))
	224	+(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
300	300
301		-
302	302
303	303	)))
304	304	)))
305	305
306		-=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
	230	+=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
307	307
308		-
309	309	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
310	310
311		-
312		-(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
313		-|=(% style="width: 110px;" %)(((
	234	+(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
	235	+|(% style="width:128px" %)(((
314	314	**AT Commands**
315		-)))|=(% style="width: 190px;" %)(((
	237	+)))|(% style="width:305px" %)(((
316	316	**Description**
317		-)))|=(% style="width: 190px;" %)(((
	239	+)))|(% style="width:346px" %)(((
318	318	**Example**
319	319	)))
320		-|(% style="width:110px" %)(((
	242	+|(% style="width:128px" %)(((
321	321	AT+BAUDR
322		-)))|(% style="width:190px" %)(((
	244	+)))|(% style="width:305px" %)(((
323	323	Set the baud rate (for RS485 connection). Default Value is: 9600.
324		-)))|(% style="width:190px" %)(((
	246	+)))|(% style="width:346px" %)(((
325	325	(((
326	326	AT+BAUDR=9600
327	327	)))
...	...	@@ -330,11 +330,11 @@
330	330	Options: (1200,2400,4800,14400,19200,115200)
331	331	)))
332	332	)))
333		-|(% style="width:110px" %)(((
	255	+|(% style="width:128px" %)(((
334	334	AT+PARITY
335		-)))|(% style="width:190px" %)(((
	257	+)))|(% style="width:305px" %)(((
336	336	Set UART parity (for RS485 connection)
337		-)))|(% style="width:190px" %)(((
	259	+)))|(% style="width:346px" %)(((
338	338	(((
339	339	AT+PARITY=0
340	340	)))
...	...	@@ -343,9 +343,9 @@
343	343	Option: 0: no parity, 1: odd parity, 2: even parity
344	344	)))
345	345	)))
346		-|(% style="width:110px" %)(((
	268	+|(% style="width:128px" %)(((
347	347	AT+STOPBIT
348		-)))|(% style="width:190px" %)(((
	270	+)))|(% style="width:305px" %)(((
349	349	(((
350	350	Set serial stopbit (for RS485 connection)
351	351	)))
...	...	@@ -353,7 +353,7 @@
353	353	(((
354	354
355	355	)))
356		-)))|(% style="width:190px" %)(((
	278	+)))|(% style="width:346px" %)(((
357	357	(((
358	358	AT+STOPBIT=0 for 1bit
359	359	)))
...	...	@@ -371,36 +371,26 @@
371	371
372	372	=== 3.3.2 Configure sensors ===
373	373
374		-
375	375	(((
376	376	(((
377		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
378		-
379		-
	298	+Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
380	380	)))
381	381	)))
382	382
383		-(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
384		-|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
385		-|AT+CFGDEV|(% style="width:110px" %)(((
386		-(((
	302	+(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
	303	+|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
	304	+|AT+CFGDEV|(% style="width:418px" %)(((
387	387	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
388		-)))
389	389
390		-(((
391	391	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
392		-)))
393	393
394		-(((
395	395	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
396		-)))
397		-)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	310	+)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
398	398
399	399
400	400
401	401	=== 3.3.3 Configure read commands for each sampling ===
402	402
403		-
404	404	(((
405	405	During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
406	406
...	...	@@ -411,26 +411,28 @@
411	411	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
412	412
413	413
414		-(% style="color:#037691" %)**Each RS485 commands include two parts:**
	326	+**Each RS485 commands include two parts:**
415	415
416		-
417	417	~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
418	418
419	419	2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
420	420
421		-3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
	332	+3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example
422	422
	334	+**AT+CMDDL1=1000** to send the open time to 1000ms
423	423
	336	+
424	424	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
425	425
	339	+
426	426	Below are examples for the how above AT Commands works.
427	427
428	428
429		-(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	343	+**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
430	430
431	431	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
432	432	|(% style="width:496px" %)(((
433		-(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	347	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
434	434
435	435	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
436	436
...	...	@@ -442,53 +442,43 @@
442	442	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
443	443
444	444
445		-(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
	359	+**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
446	446
447		-(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
448		-|(% style="width:510px" %)(((
	361	+(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
	362	+|(% style="width:722px" %)(((
449	449	**AT+DATACUTx=a,b,c**
450	450
451	451	* **a: length for the return of AT+COMMAND**
452	452	* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
453		-* **c: define the position for valid value.  **
	367	+* **c: define the position for valid value. **
454	454	)))
455	455
	370	+
456	456	**Examples:**
457	457
	373	+* Grab bytes:
458	458
459		-* (% style="color:#037691" %)**Grab bytes**
	375	+[[image:image-20220602153621-1.png]]
460	460
461		-(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
462	462
	378	+* Grab a section.
463	463
	380	+[[image:image-20220602153621-2.png]]
464	464
465		-* (% style="color:#037691" %)**Grab a section**
466	466
467		-(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	383	+* Grab different sections.
468	468
469		-
470		-
471		-* (% style="color:#037691" %)**Grab different sections**
472		-
473		-(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
474		-
475		-
476		-
	385	+[[image:image-20220602153621-3.png]]
477	477	)))
478	478
479	479	=== 3.3.4 Compose the uplink payload ===
480	480
481		-
482	482	(((
483	483	Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
484		-
485		-
486	486	)))
487	487
488	488	(((
489		-(% style="color:#037691" %)**Examples: AT+DATAUP=0**
490		-
491		-
	395	+(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
492	492	)))
493	493
494	494	(((
...	...	@@ -496,1226 +496,708 @@
496	496	)))
497	497
498	498	(((
499		-Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	403	+Final Payload is
500	500	)))
501	501
502	502	(((
503		-Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	407	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	408	+)))
504	504
505		-
	410	+(((
	411	+Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
506	506	)))
507	507
508		-[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
	414	+[[image:1653269759169-150.png||height="513" width="716"]]
509	509
	416	+(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
510	510
511		-(% style="color:#037691" %)**Examples: AT+DATAUP=1**
512		-
513		-
514	514	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
515	515
516		-Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
	420	+Final Payload is
517	517
	422	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
518	518
519		-1. PAYVER: Defined by AT+PAYVER
520		-1. PAYLOAD COUNT: Total how many uplinks of this sampling.
521		-1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
522		-1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
	424	+1. Battery Info (2 bytes): Battery voltage
	425	+1. PAYVER (1 byte): Defined by AT+PAYVER
	426	+1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
	427	+1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	428	+1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
523	523
	430	+[[image:1653269916228-732.png||height="433" width="711"]]
524	524
525	525
526		-(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	433	+So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
527	527
	435	+DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
528	528
529		-So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
	437	+DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
530	530
531		-DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
	439	+DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
532	532
533		-DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
	441	+Below are the uplink payloads:
534	534
535		-DATA3=the rest of Valid value of RETURN10= **30**
	443	+[[image:1653270130359-810.png]]
536	536
537	537
538		-(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
	446	+(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
539	539
	448	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
540	540
541		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
	450	+ * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
542	542
543		- * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
	452	+ * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
544	544
545		- * For US915 band, max 11 bytes for each uplink.
	454	+ ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
546	546
547		- ~* For all other bands: max 51 bytes for each uplink.
	456	+=== 3.3.5 Uplink on demand ===
548	548
	458	+Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
549	549
550		-(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
	460	+Downlink control command:
551	551
552		-(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
	462	+[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
553	553
	464	+[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
554	554
555	555
556		-Below are the uplink payloads:
557	557
	468	+1.
	469	+11.
	470	+111. Uplink on Interrupt
558	558
559		-(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	472	+Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
560	560
	474	+AT+INTMOD=0  Disable Interrupt
561	561
	476	+AT+INTMOD=1  Interrupt trigger by rising or falling edge.
562	562
563		-=== 3.3.5 Uplink on demand ===
	478	+AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
564	564
	480	+AT+INTMOD=3  Interrupt trigger by rising edge.
565	565
566		-Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
567	567
568		-(% style="color:blue" %)**Downlink control command:**
	483	+1.
	484	+11. Uplink Payload
569	569
570		-(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
	486	+|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
	487	+|Value|(((
	488	+Battery(mV)
571	571
572		-(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
	490	+&
573	573
	492	+Interrupt _Flag
	493	+)))|(((
	494	+PAYLOAD_VER
574	574
	496	+
	497	+)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
575	575
576		-=== 3.3.6 Uplink on Interrupt ===
	499	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
577	577
578	578
579		-RS485-LN support external Interrupt uplink since hardware v1.2 release.
	502	+function Decoder(bytes, port) {
580	580
	504	+~/~/Payload Formats of RS485-BL Deceive
581	581
582		-(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	506	+return {
583	583
584		-Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
	508	+ ~/~/Battery,units:V
585	585
	510	+ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
586	586
	512	+ ~/~/GPIO_EXTI
587	587
588		-== 3.4 Uplink Payload ==
	514	+ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
589	589
	516	+ ~/~/payload of version
590	590
591		-(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
	518	+ Pay_ver:bytes[2],
592	592
593		-(% title="Click and drag to resize" %)​
	520	+ };
594	594
595		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	522	+ }
596	596
597	597
598	598
599		-== 3.5 Configure RS485-LN via AT or Downlink ==
600	600
601	601
602		-(((
603		-User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
604		-)))
605	605
606		-(((
607		-There are two kinds of Commands:
608		-)))
609	609
610		-* (((
611		-(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
612		-)))
	530	+TTN V3 uplink screen shot.
613	613
614		-* (((
615		-(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
616		-)))
	532	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
617	617
618		-(((
619		-
620		-)))
	534	+1.
	535	+11. Configure RS485-BL via AT or Downlink
621	621
	537	+User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
622	622
	539	+There are two kinds of Commands:
623	623
624		-=== 3.5.1 Common Commands ===
	541	+* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
625	625
	543	+* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
626	626
627		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	545	+1.
	546	+11.
	547	+111. Common Commands:
628	628
	549	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
629	629
630	630
631		-=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	552	+1.
	553	+11.
	554	+111. Sensor related commands:
632	632
	556	+==== Choose Device Type (RS485 or TTL) ====
633	633
634		-Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
	558	+RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
635	635
	560	+* AT Command
636	636
637		-(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
	562	+**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
638	638
639		-(% title="Click and drag to resize" %)​
	564	+**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
640	640
641		-The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
642	642
	567	+* Downlink Payload
643	643
	569	+**0A aa**     à same as AT+MOD=aa
644	644
645		-=== 3.5.3 Sensor related commands ===
646	646
647	647
	573	+==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
648	648
	575	+This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
649	649
650		-==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
	577	+* AT Command
651	651
	579	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
652	652
653		-(((
654		-This command is used to configure the RS485 devices; they won't be used during sampling.
655		-)))
	581	+m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
656	656
657		-(((
658		-* (% style="color:#037691" %)**AT Command**
659	659
660		-(((
661		-(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
662		-)))
663		-)))
664	664
665		-(((
666		-
667		-)))
	585	+* Downlink Payload
668	668
669		-* (((
670		-(% style="color:#037691" %)**Downlink Payload**
671		-)))
	587	+Format: A8 MM NN XX XX XX XX YY
672	672
673		-(((
674		-Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
675		-)))
676		-
677		-(((
678	678	Where:
679		-)))
680	680
681		-* (((
682		-MM: 1: add CRC-16/MODBUS ; 0: no CRC
683		-)))
684		-* (((
685		-NN: The length of RS485 command
686		-)))
687		-* (((
688		-XX XX XX XX: RS485 command total NN bytes
689		-)))
690		-* (((
691		-(((
692		-YY: How many bytes will be uplink from the return of this RS485 command,
693		-)))
	591	+* MM: 1: add CRC-16/MODBUS ; 0: no CRC
	592	+* NN: The length of RS485 command
	593	+* XX XX XX XX: RS485 command total NN bytes
	594	+* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
694	694
695		-* (((
696		-if YY=0, RS485-LN will execute the downlink command without uplink;
697		-)))
698		-* (((
699		-if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
700		-)))
701		-* (((
702		-if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
703		-)))
704		-)))
	596	+**Example 1:**
705	705
706		-(((
707		-
708		-
709		-(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
710		-)))
711		-
712		-(((
713	713	To connect a Modbus Alarm with below commands.
714		-)))
715	715
716		-* (((
717		-The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
718		-)))
	600	+* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
719	719
720		-* (((
721		-The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
722		-)))
	602	+* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
723	723
724		-(((
725		-
726		-
727	727	So if user want to use downlink command to control to RS485 Alarm, he can use:
728		-)))
729	729
730		-(((
731		-(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
732		-)))
	606	+**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
733	733
734		-(((
735		-(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
736		-)))
	608	+**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
737	737
738		-(((
739	739	A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
740		-)))
741	741
742		-(((
743		-
744		-)))
745	745
746		-(((
747		-(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
748		-)))
	613	+**Example 2:**
749	749
750		-(((
751		-User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
752		-)))
	615	+Check TTL Sensor return:
753	753
754		-(((
755		-
756		-)))
	617	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
757	757
758		-(((
759		-(((
760		-RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
761		-)))
762	762
763		-
764		-)))
765	765
766		-(((
767		- (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
768		-)))
769	769
	622	+==== Set Payload version ====
770	770
	624	+This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
771	771
	626	+* AT Command:
772	772
773		-==== (% style="color:blue" %)**Set Payload version**(%%) ====
	628	+AT+PAYVER: Set PAYVER field = 1
774	774
775	775
776		-(((
777		-This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
778		-)))
	631	+* Downlink Payload:
779	779
780		-(((
781		-* (% style="color:#037691" %)**AT Command:**
	633	+0xAE 01   à Set PAYVER field =  0x01
782	782
783		-(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
	635	+0xAE 0F   à Set PAYVER field =  0x0F
784	784
785		-
786		-)))
787	787
788		-* (((
789		-(% style="color:#037691" %)**Downlink Payload:**
790		-)))
	638	+==== Set RS485 Sampling Commands ====
791	791
792		-(((
793		-(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
794		-)))
	640	+AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
795	795
796		-(((
797		-(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
798		-)))
	642	+These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
799	799
800	800
801		-**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
	645	+* AT Command:
802	802
	647	+AT+COMMANDx: Configure RS485 read command to sensor.
803	803
804		-[[image:image-20220824145428-2.png||height="168" width="1300"]]
	649	+AT+DATACUTx: Configure how to handle return from RS485 devices.
805	805
	651	+AT+SEARCHx: Configure search command
806	806
807	807
808		-**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
	654	+* Downlink Payload:
809	809
	656	+0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
810	810
811		-[[image:image-20220824145428-3.png||height="308" width="1200"]]
	658	+Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
812	812
	660	+Format: AF MM NN LL XX XX XX XX YY
813	813
814		-
815		-
816		-==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
817		-
818		-
819		-(((
820		-AT+COMMANDx or AT+DATACUTx
821		-)))
822		-
823		-(((
824		-These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
825		-)))
826		-
827		-(((
828		-
829		-)))
830		-
831		-* (((
832		-(% style="color:#037691" %)**AT Command:**
833		-)))
834		-
835		-(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
836		-
837		-(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
838		-
839		-
840		-* (((
841		-(% style="color:#037691" %)**Downlink Payload:**
842		-)))
843		-
844		-(((
845		-(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
846		-
847		-
848		-)))
849		-
850		-(((
851		-(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
852		-
853		-
854		-)))
855		-
856		-(((
857		-Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
858		-)))
859		-
860		-(((
861	861	Where:
862		-)))
863	863
864		-* (((
865		-MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
866		-)))
867		-* (((
868		-NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
869		-)))
870		-* (((
871		-LL:  The length of AT+COMMAND or AT+DATACUT command
872		-)))
873		-* (((
874		-XX XX XX XX: AT+COMMAND or AT+DATACUT command
875		-)))
876		-* (((
877		-YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
878		-)))
	664	+* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	665	+* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	666	+* LL: The length of AT+COMMAND or AT+DATACUT command
	667	+* XX XX XX XX: AT+COMMAND or AT+DATACUT command
	668	+* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
879	879
880		-(((
881		-
	670	+Example:
882	882
883		-**Example:**
884		-)))
	672	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
885	885
886		-(((
887		-(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
888		-)))
	674	+**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
889	889
890		-(((
891		-(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
892		-)))
	676	+**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
893	893
894		-(((
895		-(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
896		-)))
897	897
	679	+0xAB downlink command can be used for set AT+SEARCHx
898	898
	681	+Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
899	899
	683	+* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
	684	+* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
900	900
901		-==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
	686	+**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
902	902
903	903
904		-(((
905		-(% style="color:#4472c4" %)** AT+MBFUN**(%%) is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
906		-)))
	689	+==== Fast command to handle MODBUS device ====
907	907
908		-(((
	691	+AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	692	+
909	909	This command is valid since v1.3 firmware version
910		-)))
911	911
912		-(((
913		-AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
914		-)))
915	915
916		-(((
917		-
918		-)))
	696	+AT+MBFUN has only two value:
919	919
920		-(((
921		-**Example:**
922		-)))
	698	+* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
923	923
924		-* (((
925		-AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
926		-)))
927		-* (((
928		-AT+COMMAND1= 01 03 00 10 00 08,1  ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
929		-)))
930		-* (((
931		-AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
	700	+AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
932	932
933		-
934		-)))
	702	+* AT+MBFUN=0: Disable Modbus fast reading.
935	935
936		-(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
	704	+Example:
937	937
938		-(% title="Click and drag to resize" %)​
	706	+* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
	707	+* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
	708	+* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
939	939
940		-(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
	710	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
941	941
942	942
	713	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
943	943
944	944
945		-==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	716	+* Downlink Commands:
946	946
	718	+A9 aa -à Same as AT+MBFUN=aa
947	947
948		-(((
949		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
950		-)))
951	951
952		-(((
953		-Default value: 0, range:  0 ~~ 65 seconds
954		-)))
	721	+==== RS485 command timeout ====
955	955
956		-(((
957		-* (% style="color:#037691" %)** AT Command:**
	723	+Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
958	958
959		-(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
960		-)))
	725	+Default value: 0, range:  0 ~~ 5 seconds
961	961
962		-(((
963		-
964	964
965		-**Example:**
966		-)))
	728	+* AT Command:
967	967
968		-(((
969		-(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
970		-)))
	730	+AT+CMDDLaa=hex(bb cc)
971	971
972		-(((
973		-
974		-)))
	732	+Example:
975	975
976		-* (((
977		-(% style="color:#037691" %)** Downlink Payload:**
978		-)))
	734	+**AT+CMDDL1=1000** to send the open time to 1000ms
979	979
980		-(((
981		-(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
982		-)))
983	983
984		-(((
985		-
	737	+* Downlink Payload:
986	986
987		-**Example:**
988		-)))
	739	+0x AA aa bb cc
989	989
990		-(((
991		-**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
992		-)))
	741	+Same as: AT+CMDDLaa=hex(bb cc)
993	993
	743	+ Example:
994	994
	745	+ 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
995	995
996	996
997		-==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
	748	+==== [[Uplink>>path:#downlink_A8]] payload mode ====
998	998
999		-
1000		-(((
1001	1001	Define to use one uplink or multiple uplinks for the sampling.
1002		-)))
1003	1003
1004		-(((
1005		-The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	752	+The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1006	1006
1007		-
1008		-)))
	754	+* AT Command:
1009	1009
1010		-(((
1011		-* (% style="color:#037691" %)** AT Command:**
	756	+AT+DATAUP=0
1012	1012
1013		-(% style="color:#4472c4" %)** AT+DATAUP=0**
	758	+AT+DATAUP=1
1014	1014
1015		-(% style="color:#4472c4" %)** AT+DATAUP=1**
1016	1016
1017		-
1018		-)))
	761	+* Downlink Payload:
1019	1019
1020		-(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	763	+0xAD 00   à Same as AT+DATAUP=0
1021	1021
1022		-Each uplink is sent to the server at 20-second intervals when segmented.
	765	+0xAD 01   à Same as AT+DATAUP=1
1023	1023
1024	1024
1025		-* (((
1026		-(% style="color:#037691" %)** Downlink Payload:**
1027		-)))
	768	+==== Manually trigger an Uplink ====
1028	1028
1029		-(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
1030		-
1031		-(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1032		-
1033		-
1034		-* (((
1035		-(% style="color:#037691" %)** AT Command:**
1036		-)))
1037		-
1038		-(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1039		-
1040		-
1041		-* (((
1042		-(% style="color:#037691" %)** Downlink Payload:**
1043		-)))
1044		-
1045		-(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1046		-
1047		-Each uplink is sent to the server at 20-second intervals when segmented.
1048		-
1049		-
1050		-
1051		-
1052		-==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1053		-
1054		-
1055		-(((
1056	1056	Ask device to send an uplink immediately.
1057		-)))
1058	1058
1059		-* (((
1060		-(% style="color:#037691" %)** AT Command:**
1061		-)))
	772	+* Downlink Payload:
1062	1062
1063		-(((
1064		-No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1065		-)))
	774	+0x08 FF, RS485-BL will immediately send an uplink.
1066	1066
1067		-(((
1068		-
1069		-)))
1070	1070
1071		-* (((
1072		-(% style="color:#037691" %)** Downlink Payload:**
1073		-)))
	777	+==== Clear RS485 Command ====
1074	1074
1075		-(((
1076		-(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1077		-)))
1078		-
1079		-
1080		-
1081		-
1082		-==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1083		-
1084		-
1085		-(((
1086	1086	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1087	1087
1088		-
1089		-)))
1090	1090
1091		-* (((
1092		-(% style="color:#037691" %)** AT Command:**
1093		-)))
	782	+* AT Command:
1094	1094
1095		-(((
1096		-(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1097		-)))
	784	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1098	1098
1099		-(((
1100		-
1101		-
1102	1102	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1103		-)))
1104	1104
1105		-(((
1106	1106	Example screen shot after clear all RS485 commands.
1107		-)))
1108	1108
1109		-(((
1110		-
1111		-)))
1112	1112
1113		-(((
	791	+
1114	1114	The uplink screen shot is:
1115		-)))
1116	1116
1117		-(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	794	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1118	1118
1119	1119
1120		-* (((
1121		-(% style="color:#037691" %)** Downlink Payload:**
1122		-)))
	797	+* Downlink Payload:
1123	1123
1124		-(((
1125		-(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1126		-)))
	799	+0x09 aa bb same as AT+CMDEAR=aa,bb
1127	1127
1128	1128
	802	+==== Set Serial Communication Parameters ====
1129	1129
1130		-
1131		-==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1132		-
1133		-
1134		-(((
1135	1135	Set the Rs485 serial communication parameters:
1136	1136
1137		-
1138		-)))
	806	+* AT Command:
1139	1139
1140		-* (((
1141		-(% style="color:#037691" %)** AT Command:**
	808	+Set Baud Rate:
1142	1142
	810	+AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1143	1143
1144		-
1145		-)))
1146	1146
1147		-(((
1148		-* Set Baud Rate
1149		-)))
	813	+Set UART parity
1150	1150
1151		-(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
	815	+AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1152	1152
1153	1153
1154		-(((
1155		-* Set UART Parity
1156		-)))
	818	+Set STOPBIT
1157	1157
1158		-(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
	820	+AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1159	1159
1160	1160
1161		-(((
1162		-* Set STOPBIT
1163		-)))
	823	+* Downlink Payload:
1164	1164
1165		-(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	825	+A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1166	1166
	827	+Example:
1167	1167
	829	+* A7 01 00 60   same as AT+BAUDR=9600
	830	+* A7 01 04 80  same as AT+BAUDR=115200
1168	1168
1169		-* (((
1170		-(% style="color:#037691" %)** Downlink Payload:**
1171		-)))
	832	+A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1172	1172
1173		-(((
1174		-(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1175		-)))
	834	+A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1176	1176
1177		-(((
1178		-
1179	1179
1180		-**Example:**
1181		-)))
	837	+==== Control output power duration ====
1182	1182
1183		-* (((
1184		-A7 01 00 60  same as AT+BAUDR=9600
1185		-)))
1186		-* (((
1187		-A7 01 04 80  same as AT+BAUDR=115200
1188		-)))
	839	+User can set the output power duration before each sampling.
1189	1189
1190		-(((
1191		-* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1192		-)))
	841	+* AT Command:
1193	1193
1194		-(((
1195		-* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1196		-)))
	843	+Example:
1197	1197
	845	+AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1198	1198
	847	+AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1199	1199
1200	1200
	850	+* LoRaWAN Downlink Command:
1201	1201
1202		-==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	852	+07 01 aa bb  Same as AT+5VT=(aa bb)
1203	1203
1204		-(((
1205		-
1206		-)))
	854	+07 02 aa bb  Same as AT+3V3T=(aa bb)
1207	1207
1208		-* (((
1209		-(% style="color:#037691" %)** AT Command:**
1210		-)))
1211	1211
1212		-(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1213	1213
1214		-(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
1215	1215
	859	+1.
	860	+11. Buttons
1216	1216
	862	+|**Button**|**Feature**
	863	+|**RST**|Reboot RS485-BL
1217	1217
	865	+1.
	866	+11. +3V3 Output
1218	1218
1219		-==== (% style="color:blue" %)**Get sensor value**(%%) ====
	868	+RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1220	1220
	870	+The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
1221	1221
1222		-* (((
1223		-(% style="color:#037691" %)** AT Command:**
1224		-)))
1225	1225
1226		-(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
	873	+The +3V3 output time can be controlled by AT Command.
1227	1227
1228		-(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
	875	+**AT+3V3T=1000**
1229	1229
	877	+Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1230	1230
1231	1231
	880	+By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1232	1232
1233		-==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1234	1234
	883	+1.
	884	+11. +5V Output
1235	1235
1236		-* (((
1237		-(% style="color:#037691" %)** AT Command:**
1238		-)))
	886	+RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1239	1239
1240		-(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	888	+The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
1241	1241
1242		-(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1243	1243
	891	+The 5V output time can be controlled by AT Command.
1244	1244
	893	+**AT+5VT=1000**
1245	1245
	895	+Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1246	1246
1247		-==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1248	1248
	898	+By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1249	1249
1250		-* (((
1251		-(% style="color:#037691" %)** AT Command:**
1252		-)))
1253	1253
1254		- (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1255	1255
1256		- (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1257	1257
	903	+1.
	904	+11. LEDs
1258	1258
1259		-* (((
1260		-(% style="color:#037691" %)** Downlink Payload:**
1261		-)))
	906	+|**LEDs**|**Feature**
	907	+|**LED1**|Blink when device transmit a packet.
1262	1262
1263		-(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	909	+1.
	910	+11. Switch Jumper
1264	1264
	912	+|**Switch Jumper**|**Feature**
	913	+|**SW1**|(((
	914	+ISP position: Upgrade firmware via UART
1265	1265
1266		-
1267		-
1268		-==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1269		-
1270		-
1271		-* (((
1272		-(% style="color:#037691" %)** AT Command:**
	916	+Flash position: Configure device, check running status.
1273	1273	)))
	918	+|**SW2**|(((
	919	+5V position: set to compatible with 5v I/O.
1274	1274
1275		-(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1276		-
1277		-
1278		-Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1279		-
1280		-
1281		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1282		-
1283		-
1284		-
1285		-For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1286		-
1287		-
1288		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1289		-
1290		-
1291		-For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1292		-
1293		-
1294		-
1295		-
1296		-==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1297		-
1298		-
1299		-(((
1300		-* (% style="color:#037691" %)**Downlink Payload:**
1301		-
1302		-(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	921	+3.3v position: set to compatible with 3.3v I/O.,
1303	1303	)))
1304	1304
	924	++3.3V: is always ON
1305	1305
1306		-Example：
	926	++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1307	1307
	928	+1. Case Study
1308	1308
1309		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	930	+User can check this URL for some case studies.
1310	1310
	932	+[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1311	1311
1312	1312
1313	1313
1314		-==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1315	1315
	937	+1. Use AT Command
	938	+11. Access AT Command
1316	1316
1317		-* (((
1318		-(% style="color:#037691" %)** AT Command:**
1319		-)))
	940	+RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1320	1320
1321		-(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
	942	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1322	1322
1323		-(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1324	1324
1325		-(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
	945	+In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1326	1326
	947	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1327	1327
1328		-* (((
1329		-(% style="color:#037691" %)**Downlink Payload:**
1330		-)))
1331	1331
1332		-(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1333	1333
1334		-[[image:image-20220824144240-1.png]]
	951	+More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1335	1335
1336	1336
1337	1337
1338		-== 3.6 Listening mode for RS485 network ==
	955	+1.
	956	+11. Common AT Command Sequence
	957	+111. Multi-channel ABP mode (Use with SX1301/LG308)
1339	1339
	959	+If device has not joined network yet:
1340	1340
1341		-(((
1342		-This feature support since firmware v1.4
1343		-)))
	961	+AT+FDR
1344	1344
1345		-(((
1346		-RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
	963	+AT+NJM=0
1347	1347
1348		-
1349		-)))
	965	+ATZ
1350	1350
1351		-(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1352	1352
1353		-(% title="Click and drag to resize" %)​
1354		-
1355		-(((
1356		-To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1357		-)))
1358		-
1359		-(((
1360		-
1361		-)))
1362		-
1363		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1364		-|=(% style="width: 100px;" %)(((
1365		-**Command example**
1366		-)))|=(% style="width: 400px;" %)(((
1367		-**Function**
1368		-)))
1369		-|(% style="width:100px" %)(((
1370		-AT+RXMODE=1,10
1371		-)))|(% style="width:400px" %)(((
1372		-Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1373		-)))
1374		-|(% style="width:100px" %)(((
1375		-AT+RXMODE=2,500
1376		-)))|(% style="width:400px" %)(((
1377		-Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1378		-)))
1379		-|(% style="width:100px" %)(((
1380		-AT+RXMODE=0,0
1381		-)))|(% style="width:400px" %)(((
1382		-Disable listening mode. This is the default settings.
1383		-)))
1384		-|(% style="width:100px" %)(((
1385		-
1386		-)))|(% style="width:400px" %)(((
1387		-A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1388		-)))
1389		-
1390		-(((
1391		-
1392		-
1393		-(% style="color:#037691" %)**Downlink Command:**
1394		-)))
1395		-
1396		-(((
1397		-(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1398		-)))
1399		-
1400		-(((
1401		-
1402		-)))
1403		-
1404		-(((
1405		-**Example**:
1406		-)))
1407		-
1408		-(((
1409		-The RS485-LN is set to AT+RXMODE=2,1000
1410		-)))
1411		-
1412		-(((
1413		-There is a two Modbus commands in the RS485 network as below:
1414		-)))
1415		-
1416		-(((
1417		-The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1418		-)))
1419		-
1420		-(((
1421		-And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1422		-)))
1423		-
1424		-(((
1425		-RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1426		-
1427		-
1428		-)))
1429		-
1430		-(((
1431		-(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1432		-)))
1433		-
1434		-(((
1435		-
1436		-)))
1437		-
1438		-(((
1439		-(((
1440		-(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
1441		-)))
1442		-)))
1443		-
1444		-
1445		-
1446		-== 3.7 Buttons ==
1447		-
1448		-
1449		-(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1450		-|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1451		-|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1452		-|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1453		-|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1454		-
1455		-
1456		-
1457		-== 3.8 LEDs ==
1458		-
1459		-
1460		-(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1461		-|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1462		-|**PWR**|Always on if there is power
1463		-|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1464		-
1465		-
1466		-
1467		-= 4. Case Study =
1468		-
1469		-
1470		-User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1471		-
1472		-
1473		-
1474		-= 5. Use AT Command =
1475		-
1476		-
1477		-== 5.1 Access AT Command ==
1478		-
1479		-
1480		-(((
1481		-RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1482		-
1483		-
1484		-)))
1485		-
1486		-(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1487		-
1488		-
1489		-
1490		-(((
1491		-In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
1492		-
1493		-
1494		-)))
1495		-
1496		-(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1497		-
1498		-
1499		-(((
1500		-More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1501		-)))
1502		-
1503		-
1504		-
1505		-== 5.2 Common AT Command Sequence ==
1506		-
1507		-
1508		-=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1509		-
1510		-
1511		-If device has not joined network yet:
1512		-
1513		-* (% style="color:#037691" %)**AT+FDR**
1514		-* (% style="color:#037691" %)**AT+NJM=0**
1515		-* (% style="color:#037691" %)**ATZ**
1516		-
1517		-(((
1518		-
1519		-
1520	1520	If device already joined network:
1521	1521
1522		-* (% style="color:#037691" %)**AT+NJM=0**
1523		-* (% style="color:#037691" %)**ATZ**
	970	+AT+NJM=0
1524	1524
1525		-
1526		-)))
	972	+ATZ
1527	1527
	974	+1.
	975	+11.
	976	+111. Single-channel ABP mode (Use with LG01/LG02)
1528	1528
	978	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1529	1529
1530		-=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
	980	+AT+NJM=0 Set to ABP mode
1531	1531
	982	+AT+ADR=0 Set the Adaptive Data Rate Off
1532	1532
1533		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	984	+AT+DR=5  Set Data Rate
1534	1534
1535		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
	986	+AT+TDC=60000  Set transmit interval to 60 seconds
1536	1536
1537		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
	988	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1538	1538
1539		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
	990	+AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1540	1540
1541		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	992	+AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1542	1542
1543		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
	994	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1544	1544
1545		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	996	+ATZ          Reset MCU
1546	1546
1547		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	998	+**Note:**
1548	1548
1549		-(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1000	+1. Make sure the device is set to ABP mode in the IoT Server.
	1001	+1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1002	+1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1003	+1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1550	1550
1551		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1005	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1552	1552
1553	1553
1554		-(% style="color:red" %)**Note:**
	1008	+1. FAQ
	1009	+11. How to upgrade the image?
1555	1555
1556		-(((
1557		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1558		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1559		-3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1560		-4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1011	+The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1561	1561
1562		-
1563		-)))
	1013	+* Support new features
	1014	+* For bug fix
	1015	+* Change LoRaWAN bands.
1564	1564
1565		-(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1017	+Below shows the hardware connection for how to upload an image to RS485-BL:
1566	1566
	1019	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1567	1567
	1021	+**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1568	1568
1569		-= 6. FAQ =
	1023	+**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1570	1570
	1025	+**Step3: **Open flashloader; choose the correct COM port to update.
1571	1571
1572		-== 6.1 How to upgrade the image? ==
1573	1573
1574		-
1575		-(((
1576		-The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1028	+|(((
	1029	+HOLD PRO then press the RST button, SYS will be ON, then click next
1577	1577	)))
1578	1578
1579		-* (((
1580		-Support new features
	1032	+|(((
	1033	+Board detected
1581	1581	)))
1582		-* (((
1583		-For bug fix
1584		-)))
1585		-* (((
1586		-Change LoRaWAN bands.
1587		-)))
1588	1588
1589		-(((
1590		-Below shows the hardware connection for how to upload an image to RS485-LN:
1591		-)))
1592		-
1593		-(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1594		-
1595		-(% title="Click and drag to resize" %)​
1596		-
1597		-(((
1598		-(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1599		-
	1036	+|(((
1600	1600
1601	1601	)))
1602	1602
1603		-(((
1604		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
	1040	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1605	1605
1606		-
1607		-)))
1608	1608
1609		-(((
1610		-(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1611	1611
1612		-
1613		-)))
	1044	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1614	1614
1615		-(((
1616		-(((
1617		-(((
1618		-(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1619		-)))
1620		-)))
1621		-)))
1622	1622
	1047	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1623	1623
1624		-(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1625	1625
	1050	+1.
	1051	+11. How to change the LoRa Frequency Bands/Region?
1626	1626
1627		-(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1053	+User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1628	1628
1629	1629
1630		-(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1631	1631
	1057	+1.
	1058	+11. How many RS485-Slave can RS485-BL connects?
1632	1632
1633		-(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
	1060	+The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1634	1634
1635		-(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1636	1636
1637	1637
1638	1638
1639		-== 6.2 How to change the LoRa Frequency Bands/Region? ==
	1065	+1. Trouble Shooting
	1066	+11. Downlink doesn’t work, how to solve it?
1640	1640
	1068	+Please see this link for debug:
1641	1641
1642		-User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1070	+[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1643	1643
1644	1644
1645	1645
1646		-== 6.3 How many RS485-Slave can RS485-LN connects? ==
	1074	+1.
	1075	+11. Why I can’t join TTN V3 in US915 /AU915 bands?
1647	1647
	1077	+It might about the channels mapping. Please see for detail.
1648	1648
1649		-The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1079	+[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1650	1650
1651	1651
1652	1652
1653		-== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
	1083	+1. Order Info
1654	1654
	1085	+**Part Number: RS485-BL-XXX**
1655	1655
1656		-When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
	1087	+**XXX:**
1657	1657
1658		-Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
	1089	+* **EU433**: frequency bands EU433
	1090	+* **EU868**: frequency bands EU868
	1091	+* **KR920**: frequency bands KR920
	1092	+* **CN470**: frequency bands CN470
	1093	+* **AS923**: frequency bands AS923
	1094	+* **AU915**: frequency bands AU915
	1095	+* **US915**: frequency bands US915
	1096	+* **IN865**: frequency bands IN865
	1097	+* **RU864**: frequency bands RU864
	1098	+* **KZ865: **frequency bands KZ865
1659	1659
	1100	+1. Packing Info
1660	1660
1661		-
1662		-== 6.5 Can i use point to point communication for RS485-LN? ==
1663		-
1664		-
1665		-Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1666		-
1667		-
1668		-
1669		-== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1670		-
1671		-
1672		-[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1673		-
1674		-
1675		-
1676		-= 7. Trouble Shooting =
1677		-
1678		-
1679		-== 7.1 Downlink doesn't work, how to solve it? ==
1680		-
1681		-
1682		-Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1683		-
1684		-
1685		-
1686		-== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1687		-
1688		-
1689		-It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1690		-
1691		-
1692		-
1693		-= 8. Order Info =
1694		-
1695		-
1696		-(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1697		-
1698		-(% style="color:blue" %)**XXX:**
1699		-
1700		-* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1701		-* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1702		-* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1703		-* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1704		-* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1705		-* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1706		-* (% style="color:red" %)**US915**(%%):  frequency bands US915
1707		-* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1708		-* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1709		-* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1710		-
1711		-
1712		-
1713		-= 9.Packing Info =
1714		-
1715		-
1716	1716	**Package Includes**:
1717	1717
1718		-* RS485-LN x 1
	1104	+* RS485-BL x 1
1719	1719	* Stick Antenna for LoRa RF part x 1
1720	1720	* Program cable x 1
1721	1721
...	...	@@ -1726,70 +1726,9 @@
1726	1726	* Package Size / pcs : 14.5 x 8 x 5 cm
1727	1727	* Weight / pcs : 170g
1728	1728
	1115	+1. Support
1729	1729
	1117	+* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
	1118	+* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1730	1730
1731		-= 10. FCC Caution for RS485LN-US915 =
1732		-
1733		-
1734		-(((
1735		-Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1736		-)))
1737		-
1738		-(((
1739		-This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1740		-)))
1741		-
1742		-(((
1743		-
1744		-)))
1745		-
1746		-(((
1747		-(% style="color:red" %)**IMPORTANT NOTE:**
1748		-)))
1749		-
1750		-(((
1751		-(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1752		-)))
1753		-
1754		-(((
1755		-—Reorient or relocate the receiving antenna.
1756		-)))
1757		-
1758		-(((
1759		-—Increase the separation between the equipment and receiver.
1760		-)))
1761		-
1762		-(((
1763		-—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1764		-)))
1765		-
1766		-(((
1767		-—Consult the dealer or an experienced radio/TV technician for help.
1768		-)))
1769		-
1770		-(((
1771		-
1772		-)))
1773		-
1774		-(((
1775		-(% style="color:red" %)**FCC Radiation Exposure Statement:**
1776		-)))
1777		-
1778		-(((
1779		-This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1780		-)))
1781		-
1782		-
1783		-
1784		-= 11. Support =
1785		-
1786		-
1787		-* (((
1788		-Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1789		-)))
1790		-* (((
1791		-Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1792		-
1793		-
1794		-
1795		-)))
	1120	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]

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