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Details

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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
	1	+(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
	2	+(((
	3	+(% data-widget="image" style="text-align:center" %)
	4	+[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
3	3
	6	+(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
	7	+)))
4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
9	9
10	10
	14	+
11	11	**Table of Contents:**
12	12
13	13	{{toc/}}
14	14
15	15
	20	+(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
	21	+(((
	22	+(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
	23	+)))
16	16
17	17
18	18
19	19
20	20
	29	+
	30	+
21	21	= 1.Introduction =
22	22
	33	+
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
24	24
	36	+
25	25	(((
26		-(((
27		-(((
28	28	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.
29	29	)))
30		-)))
31	31
32	32	(((
33		-(((
34	34	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.
35	35	)))
36		-)))
37	37
38	38	(((
39		-(((
40	40	(% 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.
41	41	)))
42		-)))
43	43
44	44	(((
45		-(((
46	46	(% 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.
47	47	)))
48	48
...	...	@@ -49,29 +49,29 @@
49	49	(((
50	50	(% 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]]
51	51	)))
52		-)))
53		-)))
54	54
55		-[[image:1653267211009-519.png||height="419" width="724"]]
56	56
	58	+(% 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" %)​
57	57
	60	+
	61	+
58	58	== 1.2 Specifications ==
59	59
60	60
61		-**Hardware System:**
	65	+(% style="color:#037691" %)**Hardware System:**
62	62
63		-* STM32L072CZT6 MCU
	67	+* STM32L072xxxx MCU
64	64	* SX1276/78 Wireless Chip
65	65	* Power Consumption (exclude RS485 device):
66	66	** Idle: 32mA@12v
67	67	** 20dB Transmit: 65mA@12v
68	68
69		-**Interface for Model:**
	73	+(% style="color:#037691" %)**Interface for Model:**
70	70
71	71	* RS485
72	72	* Power Input 7~~ 24V DC.
73	73
74		-**LoRa Spec:**
	78	+(% style="color:#037691" %)**LoRa Spec:**
75	75
76	76	* Frequency Range:
77	77	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -92,10 +92,13 @@
92	92	* Automatic RF Sense and CAD with ultra-fast AFC.
93	93	* Packet engine up to 256 bytes with CRC
94	94
	99	+
	100	+
95	95	== 1.3 Features ==
96	96
	103	+
97	97	* LoRaWAN Class A & Class C protocol (default Class C)
98		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	105	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
99	99	* AT Commands to change parameters
100	100	* Remote configure parameters via LoRa Downlink
101	101	* Firmware upgradable via program port
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107	107
108	108	== 1.4 Applications ==
109	109
	117	+
110	110	* Smart Buildings & Home Automation
111	111	* Logistics and Supply Chain Management
112	112	* Smart Metering
...	...	@@ -114,19 +114,29 @@
114	114	* Smart Cities
115	115	* Smart Factory
116	116
	125	+
	126	+
117	117	== 1.5 Firmware Change log ==
118	118
	129	+
119	119	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
120	120
121	121
	133	+
122	122	== 1.6 Hardware Change log ==
123	123
	136	+
124	124	(((
125	125	(((
	139	+(((
126	126	v1.2: Add External Interrupt Pin.
	141	+)))
127	127
	143	+(((
128	128	v1.0: Release
	145	+)))
129	129
	147	+
130	130
131	131	)))
132	132	)))
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133	133
134	134	= 2. Power ON Device =
135	135
	154	+
136	136	(((
137	137	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
138	138
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143	143	Once there is power, the RS485-LN will be on.
144	144	)))
145	145
146		-[[image:1653268091319-405.png]]
	165	+(% 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" %)​
147	147
	167	+
148	148
149	149	)))
150	150
151	151	= 3. Operation Mode =
152	152
	173	+
153	153	== 3.1 How it works? ==
154	154
	176	+
155	155	(((
	178	+(((
156	156	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.
	180	+)))
157	157
	182	+
158	158
159	159	)))
160	160
161	161	== 3.2 Example to join LoRaWAN network ==
162	162
	188	+
163	163	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.
164	164
165		-[[image:1653268155545-638.png||height="334" width="724"]]
166	166
	192	+(% 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" %)​
167	167
	194	+
168	168	(((
169	169	(((
170	170	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:
...	...	@@ -172,16 +172,21 @@
172	172
173	173	(((
174	174	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	202	+
	203	+
175	175	)))
176	176
177		-[[image:1653268227651-549.png||height="592" width="720"]]
	206	+(% 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" %)​
178	178
	208	+
179	179	(((
180	180	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:
	211	+
	212	+
181	181	)))
182	182
183	183	(((
184		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	216	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
185	185	)))
186	186
187	187	(((
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189	189	)))
190	190	)))
191	191
192		-[[image:1652953462722-299.png]]
	224	+(% 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" %)​
193	193
	226	+
194	194	(((
195	195	(((
196	196	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	230	+
	231	+
197	197	)))
198	198
199	199	(((
200		-Add APP EUI in the application.
	235	+**Add APP EUI in the application.**
201	201	)))
202	202	)))
203	203
204		-[[image:image-20220519174512-1.png]]
	239	+(% 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" %)​
205	205
206		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	241	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" 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" %)​
207	207
208		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	243	+(% 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" %)​
209	209
210		-[[image:image-20220519174512-4.png]]
	245	+(% 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"]]
211	211
	247	+
	248	+(% title="Click and drag to resize" %)​
	249	+
212	212	You can also choose to create the device manually.
213	213
214		-[[image:1652953542269-423.png||height="710" width="723"]]
	252	+(% 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" %)​
215	215
216		-Add APP KEY and DEV EUI
217	217
218		-[[image:1652953553383-907.png||height="514" width="724"]]
219	219
	256	+**Add APP KEY and DEV EUI**
220	220
	258	+(% 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" %)​
	259	+
	260	+
	261	+
221	221	(((
222		-**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.
	263	+(% 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.
	264	+
	265	+
223	223	)))
224	224
225		-[[image:1652953568895-172.png||height="232" width="724"]]
	268	+(% 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" %)​
226	226
227	227
	271	+
228	228	== 3.3 Configure Commands to read data ==
229	229
	274	+
230	230	(((
231	231	(((
232		-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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	277	+(((
	278	+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.
	279	+
	280	+
233	233	)))
	282	+)))
234	234
235	235	(((
236		-(% 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
	285	+(((
	286	+(% 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**
	287	+)))
237	237
	289	+
238	238
239	239	)))
240	240	)))
241	241
242		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	294	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
243	243
	296	+
244	244	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:
245	245
246		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
247		-|(% style="width:128px" %)(((
	299	+
	300	+(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
	301	+|=(% style="width: 110px;" %)(((
248	248	**AT Commands**
249		-)))|(% style="width:305px" %)(((
	303	+)))|=(% style="width: 210px;" %)(((
250	250	**Description**
251		-)))|(% style="width:346px" %)(((
	305	+)))|=(% style="width: 190px;" %)(((
252	252	**Example**
253	253	)))
254		-|(% style="width:128px" %)(((
	308	+|(% style="width:110px" %)(((
255	255	AT+BAUDR
256		-)))|(% style="width:305px" %)(((
	310	+)))|(% style="width:190px" %)(((
257	257	Set the baud rate (for RS485 connection). Default Value is: 9600.
258		-)))|(% style="width:346px" %)(((
	312	+)))|(% style="width:190px" %)(((
259	259	(((
260	260	AT+BAUDR=9600
261	261	)))
...	...	@@ -264,11 +264,11 @@
264	264	Options: (1200,2400,4800,14400,19200,115200)
265	265	)))
266	266	)))
267		-|(% style="width:128px" %)(((
	321	+|(% style="width:110px" %)(((
268	268	AT+PARITY
269		-)))|(% style="width:305px" %)(((
	323	+)))|(% style="width:190px" %)(((
270	270	Set UART parity (for RS485 connection)
271		-)))|(% style="width:346px" %)(((
	325	+)))|(% style="width:190px" %)(((
272	272	(((
273	273	AT+PARITY=0
274	274	)))
...	...	@@ -277,9 +277,9 @@
277	277	Option: 0: no parity, 1: odd parity, 2: even parity
278	278	)))
279	279	)))
280		-|(% style="width:128px" %)(((
	334	+|(% style="width:110px" %)(((
281	281	AT+STOPBIT
282		-)))|(% style="width:305px" %)(((
	336	+)))|(% style="width:190px" %)(((
283	283	(((
284	284	Set serial stopbit (for RS485 connection)
285	285	)))
...	...	@@ -287,7 +287,7 @@
287	287	(((
288	288
289	289	)))
290		-)))|(% style="width:346px" %)(((
	344	+)))|(% style="width:190px" %)(((
291	291	(((
292	292	AT+STOPBIT=0 for 1bit
293	293	)))
...	...	@@ -301,26 +301,40 @@
301	301	)))
302	302	)))
303	303
	358	+
	359	+
304	304	=== 3.3.2 Configure sensors ===
305	305
	362	+
306	306	(((
307	307	(((
308		-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.
	365	+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.
	366	+
	367	+
309	309	)))
310	310	)))
311	311
312		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
313		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
314		-|AT+CFGDEV|(% style="width:418px" %)(((
	371	+(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
	372	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	373	+|AT+CFGDEV|(% style="width:110px" %)(((
	374	+(((
315	315	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	376	+)))
316	316
	378	+(((
317	317	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	380	+)))
318	318
	382	+(((
319	319	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
320		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	384	+)))
	385	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
321	321
	387	+
	388	+
322	322	=== 3.3.3 Configure read commands for each sampling ===
323	323
	391	+
324	324	(((
325	325	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.
326	326
...	...	@@ -331,8 +331,9 @@
331	331	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
332	332
333	333
334		-**Each RS485 commands include two parts:**
	402	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
335	335
	404	+
336	336	~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.
337	337
338	338	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.
...	...	@@ -342,15 +342,14 @@
342	342
343	343	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
344	344
345		-
346	346	Below are examples for the how above AT Commands works.
347	347
348	348
349		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	417	+(% 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:
350	350
351	351	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
352	352	|(% style="width:496px" %)(((
353		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	421	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
354	354
355	355	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
356	356
...	...	@@ -362,10 +362,10 @@
362	362	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
363	363
364	364
365		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	433	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
366	366
367		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
368		-|(% style="width:722px" %)(((
	435	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	436	+|(% style="width:510px" %)(((
369	369	**AT+DATACUTx=a,b,c**
370	370
371	371	* **a: length for the return of AT+COMMAND**
...	...	@@ -375,25 +375,30 @@
375	375
376	376	**Examples:**
377	377
378		-* Grab bytes:
379	379
380		-[[image:image-20220602153621-1.png]]
	447	+* (% style="color:#037691" %)**Grab bytes**
381	381
	449	+(% 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" %)​
382	382
383		-* Grab a section.
384	384
385		-[[image:image-20220602153621-2.png]]
386	386
	453	+* (% style="color:#037691" %)**Grab a section**
387	387
388		-* Grab different sections.
	455	+(% 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" %)​
389	389
390		-[[image:image-20220602153621-3.png]]
391	391
	458	+
	459	+* (% style="color:#037691" %)**Grab different sections**
	460	+
	461	+(% 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" %)​
	462	+
	463	+
392	392
393	393	)))
394	394
395	395	=== 3.3.4 Compose the uplink payload ===
396	396
	469	+
397	397	(((
398	398	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.**
399	399
...	...	@@ -411,18 +411,16 @@
411	411	)))
412	412
413	413	(((
414		-Final Payload is
	487	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
415	415	)))
416	416
417	417	(((
418		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
419		-)))
420		-
421		-(((
422	422	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	492	+
	493	+
423	423	)))
424	424
425		-[[image:1653269759169-150.png||height="513" width="716"]]
	496	+[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
426	426
427	427
428	428	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -430,19 +430,21 @@
430	430
431	431	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
432	432
433		-Final Payload is
	504	+Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
434	434
435		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
436	436
	507	+~1. PAYVER: Defined by AT+PAYVER
437	437
438		-1. PAYVER: Defined by AT+PAYVER
439		-1. PAYLOAD COUNT: Total how many uplinks of this sampling.
440		-1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
441		-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
	509	+2. PAYLOAD COUNT: Total how many uplinks of this sampling.
442	442
443		-[[image:image-20220602155039-4.png]]
	511	+3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
444	444
	513	+4. 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
445	445
	515	+
	516	+(% 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" %)​
	517	+
	518	+
446	446	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
447	447
448	448	DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
...	...	@@ -452,8 +452,9 @@
452	452	DATA3=the rest of Valid value of RETURN10= **30**
453	453
454	454
455		-(% 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:
	528	+(% 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:**
456	456
	530	+
457	457	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
458	458
459	459	* For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
...	...	@@ -463,594 +463,1193 @@
463	463	~* For all other bands: max 51 bytes for each uplink.
464	464
465	465
	540	+(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
	541	+
	542	+(% 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)**
	543	+
	544	+
	545	+
466	466	Below are the uplink payloads:
467	467
468		-[[image:1654157178836-407.png]]
469	469
	549	+(% 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" %)​
470	470
	551	+
	552	+
471	471	=== 3.3.5 Uplink on demand ===
472	472
	555	+
473	473	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.
474	474
475		-Downlink control command:
	558	+(% style="color:blue" %)**Downlink control command:**
476	476
477		-**0x08 command**: Poll an uplink with current command set in RS485-LN.
	560	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
478	478
479		-**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
	562	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
480	480
481	481
482	482
483	483	=== 3.3.6 Uplink on Interrupt ===
484	484
	568	+
485	485	RS485-LN support external Interrupt uplink since hardware v1.2 release.
486	486
487		-[[image:1654157342174-798.png]]
488	488
	572	+(% 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" %)​
	573	+
489	489	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.
490	490
491	491
	577	+
492	492	== 3.4 Uplink Payload ==
493	493
494		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
495		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
496		-|Value|(% style="width:120px" %)(((
497		-Battery(mV)
498	498
499		-&
500		-
501		-Interrupt _Flag
502		-)))|(% style="width:116px" %)(((
	581	+(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
	582	+|=(% scope="row" style="width: 60px;" %)(((
	583	+Size(bytes)
	584	+)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
	585	+Length depends on the return from the commands
	586	+)))
	587	+|=(% style="width: 90px;" %)(((
	588	+Value
	589	+)))|(% style="width:114px" %)(((
503	503	PAYLOAD_VER
	591	+)))|(% style="width:353px" %)(((
	592	+If the valid payload is too long and exceed the maximum
504	504
505		-
506		-)))|(% style="width:386px" %)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.
	594	+support payload length in server, server will show payload not
507	507
	596	+provided in the LoRaWAN server.
	597	+)))
	598	+
	599	+(% 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"]]
	600	+
	601	+(% title="Click and drag to resize" %)​
	602	+
508	508	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
509	509
510	510
511		-== 3.5 Configure RS485-BL via AT or Downlink ==
512	512
	607	+== 3.5 Configure RS485-LN via AT or Downlink ==
	608	+
	609	+
	610	+(((
513	513	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	612	+)))
514	514
	614	+(((
515	515	There are two kinds of Commands:
	616	+)))
516	516
517		-* (% 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]]
	618	+* (((
	619	+(% 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]]
	620	+)))
518	518
519		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	622	+* (((
	623	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	624	+)))
520	520
	626	+(((
	627	+
	628	+)))
	629	+
	630	+
	631	+
521	521	=== 3.5.1 Common Commands ===
522	522
	634	+
523	523	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]]
524	524
525	525
526		-=== 3.5.2 Sensor related commands ===
527	527
	639	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	640	+
	641	+
528	528	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.
529	529
530		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
531	531
	645	+(% 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"]]
	646	+
	647	+(% title="Click and drag to resize" %)​
	648	+
532	532	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)
533	533
534	534
	652	+
535	535	=== 3.5.3 Sensor related commands ===
536	536
537	537
538	538
539		-==== **RS485 Debug Command** ====
540	540
541		-This command is used to configure the RS485 devices; they won’t be used during sampling.
	658	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
542	542
543		-* **AT Command**
544	544
545		-(% class="box infomessage" %)
546	546	(((
547		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	662	+This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
548	548	)))
549	549
550		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	665	+(((
	666	+* (% style="color:#037691" %)**AT Command**
551	551
552		-* **Downlink Payload**
	668	+(((
	669	+(% 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
	670	+)))
	671	+)))
553	553
554		-Format: A8 MM NN XX XX XX XX YY
	673	+(((
	674	+
	675	+)))
555	555
	677	+* (((
	678	+(% style="color:#037691" %)**Downlink Payload**
	679	+)))
	680	+
	681	+(((
	682	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	683	+)))
	684	+
	685	+(((
556	556	Where:
	687	+)))
557	557
558		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
559		-* NN: The length of RS485 command
560		-* XX XX XX XX: RS485 command total NN bytes
561		-* YY: How many bytes will be uplink from the return of this RS485 command,
562		-** if YY=0, RS485-LN will execute the downlink command without uplink;
563		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
564		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	689	+* (((
	690	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	691	+)))
	692	+* (((
	693	+NN: The length of RS485 command
	694	+)))
	695	+* (((
	696	+XX XX XX XX: RS485 command total NN bytes
	697	+)))
	698	+* (((
	699	+(((
	700	+YY: How many bytes will be uplink from the return of this RS485 command,
	701	+)))
565	565
566		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	703	+* (((
	704	+if YY=0, RS485-LN will execute the downlink command without uplink;
	705	+)))
	706	+* (((
	707	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	708	+)))
	709	+* (((
	710	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	711	+)))
	712	+)))
567	567
	714	+(((
	715	+
	716	+
	717	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	718	+)))
	719	+
	720	+(((
568	568	To connect a Modbus Alarm with below commands.
	722	+)))
569	569
570		-* 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.
	724	+* (((
	725	+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.
	726	+)))
571	571
572		-* 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.
	728	+* (((
	729	+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.
	730	+)))
573	573
	732	+(((
	733	+
	734	+
574	574	So if user want to use downlink command to control to RS485 Alarm, he can use:
	736	+)))
575	575
	738	+(((
576	576	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	740	+)))
577	577
	742	+(((
578	578	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	744	+)))
579	579
	746	+(((
580	580	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.
	748	+)))
581	581
	750	+(((
	751	+
	752	+)))
582	582
583		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	754	+(((
	755	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	756	+)))
584	584
	758	+(((
585	585	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	760	+)))
586	586
	762	+(((
	763	+
	764	+)))
587	587
588		-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:
	766	+(((
	767	+(((
	768	+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**
	769	+)))
589	589
590		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	771	+
	772	+)))
591	591
592		- [[image:1654159460680-153.png]]
	774	+(((
	775	+ (% 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" %)​
	776	+)))
593	593
594	594
595	595
596		-==== **Set Payload version** ====
597	597
598		-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.
	781	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
599	599
600		-* **AT Command:**
601	601
602		-(% class="box infomessage" %)
603	603	(((
604		-**AT+PAYVER: Set PAYVER field = 1**
	785	+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.
605	605	)))
606	606
607		-* **Downlink Payload:**
	788	+(((
	789	+* (% style="color:#037691" %)**AT Command:**
608	608
609		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	791	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
610	610
611		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	793	+
	794	+)))
612	612
	796	+* (((
	797	+(% style="color:#037691" %)**Downlink Payload:**
	798	+)))
613	613
	800	+(((
	801	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	802	+)))
614	614
615		-==== **Set RS485 Sampling Commands** ====
	804	+(((
	805	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	806	+)))
616	616
617		-AT+COMMANDx or AT+DATACUTx
618	618
619		-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"]].
	809	+**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
620	620
621	621
622		-* **AT Command:**
	812	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
623	623
624		-(% class="box infomessage" %)
	814	+
	815	+
	816	+**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.**
	817	+
	818	+
	819	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
	820	+
	821	+
	822	+
	823	+
	824	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	825	+
	826	+
625	625	(((
626		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	828	+AT+COMMANDx or AT+DATACUTx
627	627	)))
628	628
629		-(% class="box infomessage" %)
630	630	(((
631		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	832	+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"]].
632	632	)))
633	633
	835	+(((
	836	+
	837	+)))
634	634
635		-* **Downlink Payload:**
	839	+* (((
	840	+(% style="color:#037691" %)**AT Command:**
	841	+)))
636	636
637		-**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	843	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
638	638
639		-(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	845	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
640	640
641		-Format: AF MM NN LL XX XX XX XX YY
642	642
	848	+* (((
	849	+(% style="color:#037691" %)**Downlink Payload:**
	850	+)))
	851	+
	852	+(((
	853	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	854	+
	855	+
	856	+)))
	857	+
	858	+(((
	859	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
	860	+
	861	+
	862	+)))
	863	+
	864	+(((
	865	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	866	+)))
	867	+
	868	+(((
643	643	Where:
	870	+)))
644	644
645		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
646		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
647		-* LL:  The length of AT+COMMAND or AT+DATACUT command
648		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
649		-* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	872	+* (((
	873	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	874	+)))
	875	+* (((
	876	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	877	+)))
	878	+* (((
	879	+LL:  The length of AT+COMMAND or AT+DATACUT command
	880	+)))
	881	+* (((
	882	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	883	+)))
	884	+* (((
	885	+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.
	886	+)))
650	650
	888	+(((
	889	+
	890	+
651	651	**Example:**
	892	+)))
652	652
	894	+(((
653	653	(% 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
	896	+)))
654	654
	898	+(((
655	655	(% 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**
	900	+)))
656	656
	902	+(((
657	657	(% 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**
	904	+)))
658	658
659	659
660	660
661		-==== **Fast command to handle MODBUS device** ====
662	662
663		-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]].
	909	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
664	664
	911	+
	912	+(((
	913	+(% 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]].
	914	+)))
	915	+
	916	+(((
665	665	This command is valid since v1.3 firmware version
	918	+)))
666	666
	920	+(((
667	667	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.
	922	+)))
668	668
	924	+(((
	925	+
	926	+)))
669	669
	928	+(((
670	670	**Example:**
	930	+)))
671	671
672		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
673		-* 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.
674		-* 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.
	932	+* (((
	933	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	934	+)))
	935	+* (((
	936	+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.
	937	+)))
	938	+* (((
	939	+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.
675	675
676		-[[image:image-20220602165351-6.png]]
	941	+
	942	+)))
677	677
678		-[[image:image-20220602165351-7.png]]
	944	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
679	679
	946	+(% title="Click and drag to resize" %)​
680	680
	948	+(% 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" %)​
681	681
682		-==== **RS485 command timeout** ====
683	683
	951	+
	952	+
	953	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	954	+
	955	+
	956	+(((
684	684	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.
	958	+)))
685	685
	960	+(((
686	686	Default value: 0, range:  0 ~~ 65 seconds
	962	+)))
687	687
688		-* **AT Command:**
689		-
690		-(% class="box infomessage" %)
691	691	(((
692		-**AT+CMDDLaa=hex(bb cc)*1000**
	965	+* (% style="color:#037691" %)** AT Command:**
	966	+
	967	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
693	693	)))
694	694
	970	+(((
	971	+
	972	+
695	695	**Example:**
	974	+)))
696	696
697		-**AT+CMDDL1=1000** to send the open time to 1000ms
	976	+(((
	977	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	978	+)))
698	698
	980	+(((
	981	+
	982	+)))
699	699
700		-* **Downlink Payload:**
	984	+* (((
	985	+(% style="color:#037691" %)** Downlink Payload:**
	986	+)))
701	701
702		-**0x AA aa bb cc**
	988	+(((
	989	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
	990	+)))
703	703
704		-Same as: AT+CMDDLaa=hex(bb cc)*1000
	992	+(((
	993	+
705	705
706		- **Example:**
	995	+**Example:**
	996	+)))
707	707
708		- 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	998	+(((
	999	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1000	+)))
709	709
710	710
711	711
712		-==== **Uplink payload mode** ====
713	713
	1005	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
	1006	+
	1007	+
	1008	+(((
714	714	Define to use one uplink or multiple uplinks for the sampling.
	1010	+)))
715	715
	1012	+(((
716	716	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
717	717
718		-* **AT Command:**
	1015	+
	1016	+)))
719	719
720		-(% class="box infomessage" %)
721	721	(((
722		-**AT+DATAUP=0**
	1019	+* (% style="color:#037691" %)** AT Command:**
	1020	+
	1021	+(% style="color:#4472c4" %)** AT+DATAUP=0**
	1022	+
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1**
	1024	+
	1025	+
723	723	)))
724	724
725		-(% class="box infomessage" %)
726		-(((
727		-**AT+DATAUP=1**
	1028	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1029	+
	1030	+Each uplink is sent to the server at 20-second intervals when segmented.
	1031	+
	1032	+
	1033	+* (((
	1034	+(% style="color:#037691" %)** Downlink Payload:**
728	728	)))
729	729
	1037	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
730	730
731		-* **Downlink Payload:**
	1039	+(% 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.
732	732
733		-**0xAD 00**  **~-~->** Same as AT+DATAUP=0
734	734
735		-**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	1042	+* (((
	1043	+(% style="color:#037691" %)** AT Command:**
	1044	+)))
736	736
	1046	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
737	737
738	738
739		-==== **Manually trigger an Uplink** ====
	1049	+* (((
	1050	+(% style="color:#037691" %)** Downlink Payload:**
	1051	+)))
740	740
	1053	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1054	+
	1055	+Each uplink is sent to the server at 20-second intervals when segmented.
	1056	+
	1057	+
	1058	+
	1059	+
	1060	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1061	+
	1062	+
	1063	+(((
741	741	Ask device to send an uplink immediately.
	1065	+)))
742	742
743		-* **AT Command:**
	1067	+* (((
	1068	+(% style="color:#037691" %)** AT Command:**
	1069	+)))
744	744
	1071	+(((
745	745	No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1073	+)))
746	746
	1075	+(((
	1076	+
	1077	+)))
747	747
748		-* **Downlink Payload:**
	1079	+* (((
	1080	+(% style="color:#037691" %)** Downlink Payload:**
	1081	+)))
749	749
750		-**0x08 FF**, RS485-LN will immediately send an uplink.
	1083	+(((
	1084	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1085	+)))
751	751
752	752
753	753
754		-==== **Clear RS485 Command** ====
755	755
	1090	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1091	+
	1092	+
	1093	+(((
756	756	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
757	757
758		-* **AT Command:**
	1096	+
	1097	+)))
759	759
760		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1099	+* (((
	1100	+(% style="color:#037691" %)** AT Command:**
	1101	+)))
761	761
	1103	+(((
	1104	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1105	+)))
	1106	+
	1107	+(((
	1108	+
	1109	+
762	762	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1111	+)))
763	763
	1113	+(((
764	764	Example screen shot after clear all RS485 commands.
	1115	+)))
765	765
	1117	+(((
	1118	+
	1119	+)))
766	766
	1121	+(((
767	767	The uplink screen shot is:
	1123	+)))
768	768
769		-[[image:1654160691922-496.png]]
	1125	+(% 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" %)​
770	770
771	771
772		-* **Downlink Payload:**
	1128	+* (((
	1129	+(% style="color:#037691" %)** Downlink Payload:**
	1130	+)))
773	773
774		-**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1132	+(((
	1133	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1134	+)))
775	775
776	776
777	777
778		-==== **Set Serial Communication Parameters** ====
779	779
780		-Set the Rs485 serial communication parameters:
	1139	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
781	781
782		-* **AT Command:**
783	783
784		-Set Baud Rate:
	1142	+(((
	1143	+Set the Rs485 serial communication parameters:
	1144	+)))
785	785
786		-(% class="box infomessage" %)
787	787	(((
788		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1147	+(% style="color:#037691" %)**AT Command:**
789	789	)))
790	790
791		-Set UART Parity
	1150	+(((
	1151	+* Set Baud Rate
	1152	+)))
792	792
793		-(% class="box infomessage" %)
	1154	+(% 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
	1155	+
	1156	+
794	794	(((
795		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1158	+* Set UART Parity
796	796	)))
797	797
798		-Set STOPBIT
	1161	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
799	799
800		-(% class="box infomessage" %)
	1163	+
801	801	(((
802		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1165	+* Set STOPBIT
803	803	)))
804	804
	1168	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
805	805
806		-* **Downlink Payload:**
807	807
808		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1171	+(((
	1172	+(% style="color:#037691" %)**Downlink Payload:**
	1173	+)))
809	809
	1175	+(((
	1176	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1177	+)))
	1178	+
	1179	+(((
810	810	**Example:**
	1181	+)))
811	811
812		-* A7 01 00 60   same as AT+BAUDR=9600
813		-* A7 01 04 80  same as AT+BAUDR=115200
	1183	+* (((
	1184	+A7 01 00 60  same as AT+BAUDR=9600
	1185	+)))
	1186	+* (((
	1187	+A7 01 04 80  same as AT+BAUDR=115200
	1188	+)))
814	814
815		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1190	+(((
	1191	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1192	+)))
816	816
817		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1194	+(((
	1195	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1196	+)))
818	818
819	819
	1199	+
	1200	+
	1201	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
	1202	+
	1203	+
	1204	+* (((
	1205	+(% style="color:#037691" %)** AT Command:**
	1206	+)))
	1207	+
	1208	+(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
	1209	+
	1210	+(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
	1211	+
	1212	+* (((
	1213	+(% style="color:#037691" %)**Downlink Payload:**
	1214	+)))
	1215	+
	1216	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
	1217	+
	1218	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
	1219	+
	1220	+
	1221	+
	1222	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	1223	+
	1224	+(((
	1225	+
	1226	+)))
	1227	+
	1228	+* (((
	1229	+(% style="color:#037691" %)** AT Command:**
	1230	+)))
	1231	+
	1232	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
	1233	+
	1234	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
	1235	+
	1236	+
	1237	+
	1238	+
	1239	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
	1240	+
	1241	+
	1242	+* (((
	1243	+(% style="color:#037691" %)** AT Command:**
	1244	+)))
	1245	+
	1246	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
	1247	+
	1248	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
	1249	+
	1250	+
	1251	+
	1252	+
	1253	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	1254	+
	1255	+
	1256	+* (((
	1257	+(% style="color:#037691" %)** AT Command:**
	1258	+)))
	1259	+
	1260	+(% 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)
	1261	+
	1262	+(% 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.
	1263	+
	1264	+
	1265	+
	1266	+
	1267	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	1268	+
	1269	+
	1270	+* (((
	1271	+(% style="color:#037691" %)** AT Command:**
	1272	+)))
	1273	+
	1274	+ (% 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)
	1275	+
	1276	+ (% 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.
	1277	+
	1278	+
	1279	+* (((
	1280	+(% style="color:#037691" %)** Downlink Payload:**
	1281	+)))
	1282	+
	1283	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1284	+
	1285	+
	1286	+
	1287	+
	1288	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1289	+
	1290	+
	1291	+* (((
	1292	+(% style="color:#037691" %)** AT Command:**
	1293	+)))
	1294	+
	1295	+(% 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.
	1296	+
	1297	+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.
	1298	+
	1299	+
	1300	+[[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"]]
	1301	+
	1302	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1303	+
	1304	+
	1305	+
	1306	+[[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"]]
	1307	+
	1308	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1309	+
	1310	+
	1311	+
	1312	+
	1313	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1314	+
	1315	+
	1316	+(((
	1317	+* (% style="color:#037691" %)**Downlink Payload:**
	1318	+
	1319	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1320	+)))
	1321	+
	1322	+
	1323	+Example：
	1324	+
	1325	+
	1326	+[[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"]]
	1327	+
	1328	+
	1329	+
	1330	+
	1331	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	1332	+
	1333	+
	1334	+* (((
	1335	+(% style="color:#037691" %)** AT Command:**
	1336	+)))
	1337	+
	1338	+(% 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.
	1339	+
	1340	+(% 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.
	1341	+
	1342	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
	1343	+
	1344	+
	1345	+* (((
	1346	+(% style="color:#037691" %)**Downlink Payload:**
	1347	+)))
	1348	+
	1349	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
	1350	+
	1351	+[[image:image-20220824144240-1.png]]
	1352	+
	1353	+
	1354	+
820	820	== 3.6 Listening mode for RS485 network ==
821	821
	1357	+
	1358	+(((
822	822	This feature support since firmware v1.4
	1360	+)))
823	823
	1362	+(((
824	824	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.
825	825
826		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	1365	+
	1366	+)))
827	827
828		-To enable the listening mode, use can run the command AT+RXMODE.
	1368	+(% 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"]]
829	829
	1370	+(% title="Click and drag to resize" %)​
830	830
831		-(% border="1" style="background-color:#ffffcc; width:500px" %)
832		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
833		-|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
834		-|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
835		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
836		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1372	+(((
	1373	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1374	+)))
837	837
838		-**Downlink Command:**
	1376	+(((
	1377	+
	1378	+)))
839	839
840		-**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1380	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1381	+|=(% style="width: 100px;" %)(((
	1382	+**Command example**
	1383	+)))|=(% style="width: 400px;" %)(((
	1384	+**Function**
	1385	+)))
	1386	+|(% style="width:100px" %)(((
	1387	+AT+RXMODE=1,10
	1388	+)))|(% style="width:400px" %)(((
	1389	+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.
	1390	+)))
	1391	+|(% style="width:100px" %)(((
	1392	+AT+RXMODE=2,500
	1393	+)))|(% style="width:400px" %)(((
	1394	+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
	1395	+)))
	1396	+|(% style="width:100px" %)(((
	1397	+AT+RXMODE=0,0
	1398	+)))|(% style="width:400px" %)(((
	1399	+Disable listening mode. This is the default settings.
	1400	+)))
	1401	+|(% style="width:100px" %)(((
	1402	+
	1403	+)))|(% style="width:400px" %)(((
	1404	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1405	+)))
841	841
	1407	+(((
	1408	+
842	842
	1410	+(% style="color:#037691" %)**Downlink Command:**
	1411	+)))
	1412	+
	1413	+(((
	1414	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1415	+)))
	1416	+
	1417	+(((
	1418	+
	1419	+)))
	1420	+
	1421	+(((
843	843	**Example**:
	1423	+)))
844	844
	1425	+(((
845	845	The RS485-LN is set to AT+RXMODE=2,1000
	1427	+)))
846	846
	1429	+(((
847	847	There is a two Modbus commands in the RS485 network as below:
	1431	+)))
848	848
	1433	+(((
849	849	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1435	+)))
850	850
	1437	+(((
851	851	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1439	+)))
852	852
	1441	+(((
853	853	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
854	854
855		-[[image:image-20220602171200-9.png]]
	1444	+
	1445	+)))
856	856
	1447	+(((
	1448	+(% 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" %)​
	1449	+)))
857	857
858		-(% 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.
	1451	+(((
	1452	+
	1453	+)))
859	859
	1455	+(((
	1456	+(((
	1457	+(% 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.**
	1458	+)))
	1459	+)))
860	860
	1461	+
	1462	+
861	861	== 3.7 Buttons ==
862	862
863	863
864		-(% border="1" style="background-color:#f7faff; width:500px" %)
865		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
866		-|**ACT**|(% style="width:1420px" %)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**
867		-|**RST**|(% style="width:1420px" %)Reboot RS485
868		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1466	+(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
	1467	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
	1468	+|(% 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**
	1469	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1470	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
869	869
870	870
	1473	+
871	871	== 3.8 LEDs ==
872	872
873		-(% border="1" style="background-color:#f7faff; width:500px" %)
874		-|=**LEDs**|=**Feature**
	1476	+
	1477	+(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
	1478	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
875	875	|**PWR**|Always on if there is power
876		-|**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.
	1480	+|**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.
877	877
878	878
	1483	+
879	879	= 4. Case Study =
880	880
	1486	+
881	881	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]]
882	882
883	883
	1490	+
884	884	= 5. Use AT Command =
885	885
	1493	+
886	886	== 5.1 Access AT Command ==
887	887
888		-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.
889	889
890		-[[image:1654162355560-817.png]]
	1497	+(((
	1498	+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.
891	891
	1500	+
	1501	+)))
892	892
893		-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-BL. The default password is 123456. Below is the output for reference:
	1503	+(% 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" %)​
894	894
895		-[[image:1654162368066-342.png]]
896	896
897	897
	1507	+(((
	1508	+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:
	1509	+
	1510	+
	1511	+)))
	1512	+
	1513	+(% 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" %)​
	1514	+
	1515	+
	1516	+(((
898	898	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/]]
	1518	+)))
899	899
900	900
	1521	+
901	901	== 5.2 Common AT Command Sequence ==
902	902
	1524	+
903	903	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
904	904
	1527	+
905	905	If device has not joined network yet:
906	906
907		-(% class="box infomessage" %)
908		-(((
909		-**AT+FDR**
910		-)))
	1530	+* (% style="color:#037691" %)**AT+FDR**
	1531	+* (% style="color:#037691" %)**AT+NJM=0**
	1532	+* (% style="color:#037691" %)**ATZ**
911	911
912		-(% class="box infomessage" %)
913	913	(((
914		-**AT+NJM=0**
915		-)))
	1535	+
916	916
917		-(% class="box infomessage" %)
918		-(((
919		-**ATZ**
920		-)))
921		-
922		-
923	923	If device already joined network:
924	924
925		-(% class="box infomessage" %)
926		-(((
927		-**AT+NJM=0**
928		-)))
	1539	+* (% style="color:#037691" %)**AT+NJM=0**
	1540	+* (% style="color:#037691" %)**ATZ**
929	929
930		-(% class="box infomessage" %)
931		-(((
932		-**ATZ**
	1542	+
933	933	)))
934	934
935	935
	1546	+
936	936	=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
937	937
938	938
939		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1550	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
940	940
941		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
	1552	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
942	942
943		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
	1554	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
944	944
945		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
	1556	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
946	946
947		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1558	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
948	948
949		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
	1560	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
950	950
951		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1562	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
952	952
953		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1564	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
954	954
955		-(% 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.
	1566	+(% 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.
956	956
957		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1568	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
958	958
959	959
960	960	(% style="color:red" %)**Note:**
961	961
	1573	+(((
962	962	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
963	963	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
964	964	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.
965	965	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
966	966
967		-[[image:1654162478620-421.png]]
	1579	+
	1580	+)))
968	968
	1582	+(% 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" %)​
969	969
	1584	+
	1585	+
970	970	= 6. FAQ =
971	971
	1588	+
972	972	== 6.1 How to upgrade the image? ==
973	973
	1591	+
	1592	+(((
974	974	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1594	+)))
975	975
976		-* Support new features
977		-* For bug fix
978		-* Change LoRaWAN bands.
	1596	+* (((
	1597	+Support new features
	1598	+)))
	1599	+* (((
	1600	+For bug fix
	1601	+)))
	1602	+* (((
	1603	+Change LoRaWAN bands.
	1604	+)))
979	979
	1606	+(((
980	980	Below shows the hardware connection for how to upload an image to RS485-LN:
	1608	+)))
981	981
982		-[[image:1654162535040-878.png]]
	1610	+(% 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"]]
983	983
984		-**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]].
	1612	+(% title="Click and drag to resize" %)​
985	985
986		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1614	+(((
	1615	+(% 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]].
987	987
988		-**Step3: **Open flashloader; choose the correct COM port to update.
	1617	+
	1618	+)))
989	989
990	990	(((
	1621	+(% 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]].
	1622	+
	1623	+
	1624	+)))
	1625	+
	1626	+(((
	1627	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1628	+
	1629	+
	1630	+)))
	1631	+
	1632	+(((
	1633	+(((
	1634	+(((
991	991	(% 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.
992	992	)))
	1637	+)))
	1638	+)))
993	993
994	994
995		-[[image:image-20220602175818-12.png]]
	1641	+(% 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" %)​
996	996
997	997
998		-[[image:image-20220602175848-13.png]]
	1644	+(% 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" %)​
999	999
1000	1000
1001		-[[image:image-20220602175912-14.png]]
	1647	+(% 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" %)​
1002	1002
1003	1003
1004		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1650	+(% 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:**
1005	1005
1006		-[[image:image-20220602175638-10.png]]
	1652	+(% 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" %)​
1007	1007
1008	1008
	1655	+
1009	1009	== 6.2 How to change the LoRa Frequency Bands/Region? ==
1010	1010
	1658	+
1011	1011	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1012	1012
1013	1013
1014		-== 6.3 How many RS485-Slave can RS485-BL connects? ==
1015	1015
1016		-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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1663	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1017	1017
1018	1018
	1666	+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"]].
	1667	+
	1668	+
	1669	+
1019	1019	== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1020	1020
	1672	+
1021	1021	When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1022	1022
1023	1023	Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1024	1024
1025	1025
	1678	+
	1679	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1680	+
	1681	+
	1682	+Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1683	+
	1684	+
	1685	+
	1686	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1687	+
	1688	+
	1689	+[[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/]]
	1690	+
	1691	+
	1692	+
1026	1026	= 7. Trouble Shooting =
1027	1027
1028		-== 7.1 Downlink doesn’t work, how to solve it? ==
1029	1029
	1696	+== 7.1 Downlink doesn't work, how to solve it? ==
	1697	+
	1698	+
1030	1030	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1031	1031
1032	1032
1033		-== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1034	1034
	1703	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1704	+
	1705	+
1035	1035	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1036	1036
1037	1037
	1709	+
1038	1038	= 8. Order Info =
1039	1039
	1712	+
1040	1040	(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1041	1041
1042	1042	(% style="color:blue" %)**XXX:**
1043	1043
1044		-* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1045		-* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1046		-* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1047		-* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1048		-* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1049		-* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1050		-* (% style="color:blue" %)**US915**(%%): frequency bands US915
1051		-* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1052		-* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1053		-* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
	1717	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1718	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1719	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1720	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1721	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1722	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1723	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1724	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1725	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1726	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1054	1054
1055	1055
1056	1056
...	...	@@ -1074,6 +1074,7 @@
1074	1074
1075	1075	= 10. FCC Caution for RS485LN-US915 =
1076	1076
	1750	+
1077	1077	(((
1078	1078	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1079	1079	)))
...	...	@@ -1087,11 +1087,11 @@
1087	1087	)))
1088	1088
1089	1089	(((
1090		-**IMPORTANT NOTE:**
	1764	+(% style="color:red" %)**IMPORTANT NOTE:**
1091	1091	)))
1092	1092
1093	1093	(((
1094		-**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:
	1768	+(% 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:
1095	1095	)))
1096	1096
1097	1097	(((
...	...	@@ -1115,7 +1115,7 @@
1115	1115	)))
1116	1116
1117	1117	(((
1118		-**FCC Radiation Exposure Statement:**
	1792	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
1119	1119	)))
1120	1120
1121	1121	(((
...	...	@@ -1123,11 +1123,16 @@
1123	1123	)))
1124	1124
1125	1125
	1800	+
1126	1126	= 11. Support =
1127	1127
	1803	+
1128	1128	* (((
1129	1129	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.
1130	1130	)))
1131	1131	* (((
1132	1132	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]].
	1809	+
	1810	+
	1811	+
1133	1133	)))