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

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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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	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"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
	13	+
	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
11	11
12	12
	20	+(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
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	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"]]
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13	13
14	14
	26	+
	27	+
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	29	+
	30	+
15	15	= 1.Introduction =
16	16
	33	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18	18
	36	+
19	19	(((
20		-(((
21	21	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.
22	22	)))
23	23
...	...	@@ -31,18 +31,21 @@
31	31
32	32	(((
33	33	(% 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.
	51	+)))
34	34
	53	+(((
35	35	(% 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]]
36	36	)))
37		-)))
38	38
39		-[[image:1653267211009-519.png||height="419" width="724"]]
40	40
	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" %)​
41	41
	60	+
	61	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	65	+(% style="color:#037691" %)**Hardware System:**
46	46
47	47	* STM32L072CZT6 MCU
48	48	* SX1276/78 Wireless Chip
...	...	@@ -50,12 +50,12 @@
50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
	73	+(% style="color:#037691" %)**Interface for Model:**
54	54
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
	78	+(% style="color:#037691" %)**LoRa Spec:**
59	59
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -74,14 +74,15 @@
74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	97	+* Packet engine up to 256 bytes with CRC
78	78
79	79
80	80
81	81	== 1.3 Features ==
82	82
	103	+
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
84		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	105	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
85	85	* AT Commands to change parameters
86	86	* Remote configure parameters via LoRa Downlink
87	87	* Firmware upgradable via program port
...	...	@@ -93,6 +93,7 @@
93	93
94	94	== 1.4 Applications ==
95	95
	117	+
96	96	* Smart Buildings & Home Automation
97	97	* Logistics and Supply Chain Management
98	98	* Smart Metering
...	...	@@ -104,17 +104,25 @@
104	104
105	105	== 1.5 Firmware Change log ==
106	106
	129	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
	133	+
110	110	== 1.6 Hardware Change log ==
111	111
	136	+
112	112	(((
113	113	(((
	139	+(((
114	114	v1.2: Add External Interrupt Pin.
	141	+)))
115	115
	143	+(((
116	116	v1.0: Release
	145	+)))
117	117
	147	+
118	118
119	119	)))
120	120	)))
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121	121
122	122	= 2. Power ON Device =
123	123
	154	+
124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126	126
...	...	@@ -131,28 +131,36 @@
131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[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" %)​
135	135
	167	+
136	136
137	137	)))
138	138
139	139	= 3. Operation Mode =
140	140
	173	+
141	141	== 3.1 How it works? ==
142	142
	176	+
143	143	(((
	178	+(((
144	144	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	+)))
145	145
	182	+
146	146
147	147	)))
148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
	188	+
151	151	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.
152	152
153		-[[image:1653268155545-638.png||height="334" width="724"]]
154	154
	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" %)​
155	155
	194	+
156	156	(((
157	157	(((
158	158	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:
...	...	@@ -160,16 +160,21 @@
160	160
161	161	(((
162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	202	+
	203	+
163	163	)))
164	164
165		-[[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" %)​
166	166
	208	+
167	167	(((
168		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	210	+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	+
169	169	)))
170	170
171	171	(((
172		-**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.
173	173	)))
174	174
175	175	(((
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177	177	)))
178	178	)))
179	179
180		-[[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" %)​
181	181
	226	+
182	182	(((
183	183	(((
184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	230	+
	231	+
185	185	)))
186	186
187	187	(((
188		-Add APP EUI in the application.
	235	+**Add APP EUI in the application.**
189	189	)))
190	190	)))
191	191
192		-[[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" %)​
193	193
194		-[[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" %)​
195	195
196		-[[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" %)​
197	197
198		-[[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"]]
199	199
	247	+
	248	+(% title="Click and drag to resize" %)​
	249	+
200	200	You can also choose to create the device manually.
201	201
202		-[[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" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	256	+**Add APP KEY and DEV EUI**
208	208
	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	+
209	209	(((
210		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	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	+
211	211	)))
212	212
213		-[[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" %)​
214	214
215	215
	271	+
216	216	== 3.3 Configure Commands to read data ==
217	217
	274	+
218	218	(((
219	219	(((
220		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	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	+
221	221	)))
	282	+)))
222	222
223	223	(((
224		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	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	+)))
225	225
	289	+
226	226
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	294	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231	231
	296	+
232	232	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:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	299	+
	300	+(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
	301	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	303	+)))|=(% style="width: 210px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	305	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	308	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	310	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	312	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
...	...	@@ -252,11 +252,11 @@
252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	321	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	323	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	325	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
...	...	@@ -265,9 +265,9 @@
265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	334	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	336	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
...	...	@@ -275,7 +275,7 @@
275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	344	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
...	...	@@ -293,26 +293,36 @@
293	293
294	294	=== 3.3.2 Configure sensors ===
295	295
	362	+
296	296	(((
297	297	(((
298		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
	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	+
299	299	)))
300	300	)))
301	301
302		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
303		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
304		-|AT+CFGDEV|(% style="width:418px" %)(((
	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	+(((
305	305	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	376	+)))
306	306
	378	+(((
307	307	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	380	+)))
308	308
	382	+(((
309	309	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310		-)))|(% 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
311	311
312	312
313	313
314	314	=== 3.3.3 Configure read commands for each sampling ===
315	315
	391	+
316	316	(((
317	317	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.
318	318
...	...	@@ -323,28 +323,26 @@
323	323	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
324	324
325	325
326		-**Each RS485 commands include two parts:**
	402	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
327	327
	404	+
328	328	~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.
329	329
330	330	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.
331	331
332		-3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example
	409	+3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
333	333
334		-**AT+CMDDL1=1000** to send the open time to 1000ms
335	335
336		-
337	337	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
338	338
339		-
340	340	Below are examples for the how above AT Commands works.
341	341
342	342
343		-**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:
344	344
345	345	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
346	346	|(% style="width:496px" %)(((
347		-**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**
348	348
349	349	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
350	350
...	...	@@ -356,45 +356,53 @@
356	356	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
357	357
358	358
359		-**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.
360	360
361		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
362		-|(% style="width:722px" %)(((
	435	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	436	+|(% style="width:510px" %)(((
363	363	**AT+DATACUTx=a,b,c**
364	364
365	365	* **a: length for the return of AT+COMMAND**
366	366	* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
367		-* **c: define the position for valid value. **
	441	+* **c: define the position for valid value.  **
368	368	)))
369	369
370		-
371	371	**Examples:**
372	372
373		-* Grab bytes:
374	374
375		-[[image:image-20220602153621-1.png]]
	447	+* (% style="color:#037691" %)**Grab bytes**
376	376
	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" %)​
377	377
378		-* Grab a section.
379	379
380		-[[image:image-20220602153621-2.png]]
381	381
	453	+* (% style="color:#037691" %)**Grab a section**
382	382
383		-* 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" %)​
384	384
385		-[[image:image-20220602153621-3.png]]
386	386
	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	+
387	387
388	388	)))
389	389
390	390	=== 3.3.4 Compose the uplink payload ===
391	391
	469	+
392	392	(((
393	393	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.**
	472	+
	473	+
394	394	)))
395	395
396	396	(((
397		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	477	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	478	+
	479	+
398	398	)))
399	399
400	400	(((
...	...	@@ -402,708 +402,1254 @@
402	402	)))
403	403
404	404	(((
405		-Final Payload is
	487	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
406	406	)))
407	407
408	408	(((
409		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
410		-)))
411		-
412		-(((
413	413	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	492	+
	493	+
414	414	)))
415	415
416		-[[image:1653269759169-150.png||height="513" width="716"]]
	496	+[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
417	417
418		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
419	419
	499	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	500	+
	501	+
420	420	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
421	421
422		-Final Payload is
	504	+Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423	423
424		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
425	425
426		-1. Battery Info (2 bytes): Battery voltage
427		-1. PAYVER (1 byte): Defined by AT+PAYVER
428		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
429		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
430		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
	507	+~1. PAYVER: Defined by AT+PAYVER
431	431
432		-[[image:1653269916228-732.png||height="433" width="711"]]
	509	+2. PAYLOAD COUNT: Total how many uplinks of this sampling.
433	433
	511	+3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
434	434
435		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
	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
436	436
437		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
438	438
439		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	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" %)​
440	440
441		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
442	442
443		-Below are the uplink payloads:
	519	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
444	444
445		-[[image:1653270130359-810.png]]
	521	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
446	446
	523	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
447	447
448		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	525	+DATA3=the rest of Valid value of RETURN10= **30**
449	449
450		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
451	451
452		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	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:**
453	453
454		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
455	455
456		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	531	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
457	457
458		-=== 3.3.5 Uplink on demand ===
	533	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
459	459
460		-Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
	535	+ * For US915 band, max 11 bytes for each uplink.
461	461
462		-Downlink control command:
	537	+ ~* For all other bands: max 51 bytes for each uplink.
463	463
464		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
465	465
466		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	540	+(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
467	467
	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)**
468	468
469	469
470		-1.
471		-11.
472		-111. Uplink on Interrupt
473	473
474		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	546	+Below are the uplink payloads:
475	475
476		-AT+INTMOD=0  Disable Interrupt
477	477
478		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	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" %)​
479	479
480		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
481	481
482		-AT+INTMOD=3  Interrupt trigger by rising edge.
483	483
	553	+=== 3.3.5 Uplink on demand ===
484	484
485		-1.
486		-11. Uplink Payload
487	487
488		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
489		-|Value|(((
490		-Battery(mV)
	556	+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.
491	491
492		-&
	558	+(% style="color:blue" %)**Downlink control command:**
493	493
494		-Interrupt _Flag
495		-)))|(((
496		-PAYLOAD_VER
	560	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
497	497
498		-
499		-)))|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.
	562	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
500	500
501		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
502	502
503	503
504		-function Decoder(bytes, port) {
	566	+=== 3.3.6 Uplink on Interrupt ===
505	505
506		-~/~/Payload Formats of RS485-BL Deceive
507	507
508		-return {
	569	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
509	509
510		- ~/~/Battery,units:V
511	511
512		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	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" %)​
513	513
514		- ~/~/GPIO_EXTI
	574	+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.
515	515
516		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
517	517
518		- ~/~/payload of version
519	519
520		- Pay_ver:bytes[2],
	578	+== 3.4 Uplink Payload ==
521	521
522		- };
523	523
524		- }
	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" %)(((
	590	+PAYLOAD_VER
	591	+)))|(% style="width:353px" %)(((
	592	+If the valid payload is too long and exceed the maximum
525	525
	594	+support payload length in server, server will show payload not
526	526
	596	+provided in the LoRaWAN server.
	597	+)))
527	527
	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"]]
528	528
	601	+(% title="Click and drag to resize" %)​
529	529
	603	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
530	530
531	531
532		-TTN V3 uplink screen shot.
533	533
534		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	607	+== 3.5 Configure RS485-LN via AT or Downlink ==
535	535
536		-1.
537		-11. Configure RS485-BL via AT or Downlink
538	538
539		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	610	+(((
	611	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	612	+)))
540	540
	614	+(((
541	541	There are two kinds of Commands:
	616	+)))
542	542
543		-* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	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	+)))
544	544
545		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  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	+)))
546	546
547		-1.
548		-11.
549		-111. Common Commands:
	626	+(((
	627	+
	628	+)))
550	550
551		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
552	552
553	553
554		-1.
555		-11.
556		-111. Sensor related commands:
	632	+=== 3.5.1 Common Commands ===
557	557
558		-==== Choose Device Type (RS485 or TTL) ====
559	559
560		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	635	+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]]
561	561
562		-* AT Command
563	563
564		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
565	565
566		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	639	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
567	567
568	568
569		-* Downlink Payload
	642	+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.
570	570
571		-**0A aa**     à same as AT+MOD=aa
572	572
	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"]]
573	573
	647	+(% title="Click and drag to resize" %)​
574	574
575		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	649	+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)
576	576
577		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
578	578
579		-* AT Command
580	580
581		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	653	+=== 3.5.3 Sensor related commands ===
582	582
583		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
584	584
585	585
586	586
587		-* Downlink Payload
	658	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
588	588
589		-Format: A8 MM NN XX XX XX XX YY
590	590
	661	+(((
	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**.
	663	+)))
	664	+
	665	+(((
	666	+* (% style="color:#037691" %)**AT Command**
	667	+
	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	+)))
	672	+
	673	+(((
	674	+
	675	+)))
	676	+
	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	+(((
591	591	Where:
	687	+)))
592	592
593		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
594		-* NN: The length of RS485 command
595		-* XX XX XX XX: RS485 command total NN bytes
596		-* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
	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	+)))
597	597
598		-**Example 1:**
	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	+)))
599	599
	714	+(((
	715	+
	716	+
	717	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	718	+)))
	719	+
	720	+(((
600	600	To connect a Modbus Alarm with below commands.
	722	+)))
601	601
602		-* 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	+)))
603	603
604		-* 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	+)))
605	605
	732	+(((
	733	+
	734	+
606	606	So if user want to use downlink command to control to RS485 Alarm, he can use:
	736	+)))
607	607
608		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	738	+(((
	739	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	740	+)))
609	609
610		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	742	+(((
	743	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	744	+)))
611	611
	746	+(((
612	612	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	+)))
613	613
	750	+(((
	751	+
	752	+)))
614	614
615		-**Example 2:**
	754	+(((
	755	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	756	+)))
616	616
617		-Check TTL Sensor return:
	758	+(((
	759	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	760	+)))
618	618
619		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	762	+(((
	763	+
	764	+)))
620	620
	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	+)))
621	621
	771	+
	772	+)))
622	622
	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	+)))
623	623
624		-==== Set Payload version ====
625	625
626		-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.
627	627
628		-* AT Command:
629	629
630		-AT+PAYVER: Set PAYVER field = 1
	781	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
631	631
632	632
633		-* Downlink Payload:
	784	+(((
	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.
	786	+)))
634	634
635		-0xAE 01   à Set PAYVER field =  0x01
	788	+(((
	789	+* (% style="color:#037691" %)**AT Command:**
636	636
637		-0xAE 0F   à Set PAYVER field =  0x0F
	791	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
638	638
	793	+
	794	+)))
639	639
640		-==== Set RS485 Sampling Commands ====
	796	+* (((
	797	+(% style="color:#037691" %)**Downlink Payload:**
	798	+)))
641	641
642		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	800	+(((
	801	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	802	+)))
643	643
644		-These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
	804	+(((
	805	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	806	+)))
645	645
646	646
647		-* AT Command:
	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)**
648	648
649		-AT+COMMANDx: Configure RS485 read command to sensor.
650	650
651		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	812	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
652	652
653		-AT+SEARCHx: Configure search command
654	654
655	655
656		-* Downlink Payload:
	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.**
657	657
658		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
659	659
660		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	819	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
661	661
662		-Format: AF MM NN LL XX XX XX XX YY
663	663
664		-Where:
665	665
666		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
667		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
668		-* LL: The length of AT+COMMAND or AT+DATACUT command
669		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
670		-* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
671	671
672		-Example:
	824	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
673	673
674		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
675	675
676		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	827	+(((
	828	+AT+COMMANDx or AT+DATACUTx
	829	+)))
677	677
678		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	831	+(((
	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"]].
	833	+)))
679	679
	835	+(((
	836	+
	837	+)))
680	680
681		-0xAB downlink command can be used for set AT+SEARCHx
	839	+* (((
	840	+(% style="color:#037691" %)**AT Command:**
	841	+)))
682	682
683		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	843	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
684	684
685		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
686		-* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
	845	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
687	687
688		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
689	689
	848	+* (((
	849	+(% style="color:#037691" %)**Downlink Payload:**
	850	+)))
690	690
691		-==== Fast command to handle MODBUS device ====
	852	+(((
	853	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
692	692
693		-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]].
	855	+
	856	+)))
694	694
	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	+(((
	869	+Where:
	870	+)))
	871	+
	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	+)))
	887	+
	888	+(((
	889	+
	890	+
	891	+**Example:**
	892	+)))
	893	+
	894	+(((
	895	+(% 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	+)))
	897	+
	898	+(((
	899	+(% 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	+)))
	901	+
	902	+(((
	903	+(% 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	+)))
	905	+
	906	+
	907	+
	908	+
	909	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
	910	+
	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	+(((
695	695	This command is valid since v1.3 firmware version
	918	+)))
696	696
	920	+(((
	921	+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	+)))
697	697
698		-AT+MBFUN has only two value:
	924	+(((
	925	+
	926	+)))
699	699
700		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	928	+(((
	929	+**Example:**
	930	+)))
701	701
702		-AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	932	+* (((
	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.
703	703
704		-* AT+MBFUN=0: Disable Modbus fast reading.
	941	+
	942	+)))
705	705
706		-Example:
	944	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
707	707
708		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
709		-* 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.
710		-* 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.
	946	+(% title="Click and drag to resize" %)​
711	711
712		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	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" %)​
713	713
714	714
715		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
716	716
717	717
718		-* Downlink Commands:
	953	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
719	719
720		-A9 aa -à Same as AT+MBFUN=aa
721	721
	956	+(((
	957	+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	+)))
722	722
723		-==== RS485 command timeout ====
	960	+(((
	961	+Default value: 0, range:  0 ~~ 65 seconds
	962	+)))
724	724
725		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
	964	+(((
	965	+* (% style="color:#037691" %)** AT Command:**
726	726
727		-Default value: 0, range:  0 ~~ 5 seconds
	967	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	968	+)))
728	728
	970	+(((
	971	+
729	729
730		-* AT Command:
	973	+**Example:**
	974	+)))
731	731
732		-AT+CMDDLaa=hex(bb cc)
	976	+(((
	977	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	978	+)))
733	733
734		-Example:
	980	+(((
	981	+
	982	+)))
735	735
736		-**AT+CMDDL1=1000** to send the open time to 1000ms
	984	+* (((
	985	+(% style="color:#037691" %)** Downlink Payload:**
	986	+)))
737	737
	988	+(((
	989	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
	990	+)))
738	738
739		-* Downlink Payload:
	992	+(((
	993	+
740	740
741		-0x AA aa bb cc
	995	+**Example:**
	996	+)))
742	742
743		-Same as: AT+CMDDLaa=hex(bb cc)
	998	+(((
	999	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1000	+)))
744	744
745		- Example:
746	746
747		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
748	748
749	749
750		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1005	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
751	751
	1007	+
	1008	+(((
752	752	Define to use one uplink or multiple uplinks for the sampling.
	1010	+)))
753	753
754		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	1012	+(((
	1013	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
755	755
756		-* AT Command:
	1015	+
	1016	+)))
757	757
758		-AT+DATAUP=0
	1018	+(((
	1019	+* (% style="color:#037691" %)** AT Command:**
759	759
760		-AT+DATAUP=1
	1021	+(% style="color:#4472c4" %)** AT+DATAUP=0**
761	761
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1**
762	762
763		-* Downlink Payload:
	1025	+
	1026	+)))
764	764
765		-0xAD 00   à Same as AT+DATAUP=0
	1028	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
766	766
767		-0xAD 01   à Same as AT+DATAUP=1
	1030	+Each uplink is sent to the server at 20-second intervals when segmented.
768	768
769	769
770		-==== Manually trigger an Uplink ====
	1033	+* (((
	1034	+(% style="color:#037691" %)** Downlink Payload:**
	1035	+)))
771	771
	1037	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
	1038	+
	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.
	1040	+
	1041	+
	1042	+* (((
	1043	+(% style="color:#037691" %)** AT Command:**
	1044	+)))
	1045	+
	1046	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
	1047	+
	1048	+
	1049	+* (((
	1050	+(% style="color:#037691" %)** Downlink Payload:**
	1051	+)))
	1052	+
	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	+(((
772	772	Ask device to send an uplink immediately.
	1065	+)))
773	773
774		-* Downlink Payload:
	1067	+* (((
	1068	+(% style="color:#037691" %)** AT Command:**
	1069	+)))
775	775
776		-0x08 FF, RS485-BL will immediately send an uplink.
	1071	+(((
	1072	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1073	+)))
777	777
	1075	+(((
	1076	+
	1077	+)))
778	778
779		-==== Clear RS485 Command ====
	1079	+* (((
	1080	+(% style="color:#037691" %)** Downlink Payload:**
	1081	+)))
780	780
	1083	+(((
	1084	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1085	+)))
	1086	+
	1087	+
	1088	+
	1089	+
	1090	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1091	+
	1092	+
	1093	+(((
781	781	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
782	782
	1096	+
	1097	+)))
783	783
784		-* AT Command:
	1099	+* (((
	1100	+(% style="color:#037691" %)** AT Command:**
	1101	+)))
785	785
786		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1103	+(((
	1104	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1105	+)))
787	787
	1107	+(((
	1108	+
	1109	+
788	788	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1111	+)))
789	789
	1113	+(((
790	790	Example screen shot after clear all RS485 commands.
	1115	+)))
791	791
	1117	+(((
	1118	+
	1119	+)))
792	792
793		-
	1121	+(((
794	794	The uplink screen shot is:
	1123	+)))
795	795
796		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.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" %)​
797	797
798	798
799		-* Downlink Payload:
	1128	+* (((
	1129	+(% style="color:#037691" %)** Downlink Payload:**
	1130	+)))
800	800
801		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1132	+(((
	1133	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1134	+)))
802	802
803	803
804		-==== Set Serial Communication Parameters ====
805	805
	1138	+
	1139	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1140	+
	1141	+
	1142	+(((
806	806	Set the Rs485 serial communication parameters:
	1144	+)))
807	807
808		-* AT Command:
	1146	+(((
	1147	+(% style="color:#037691" %)**AT Command:**
	1148	+)))
809	809
810		-Set Baud Rate:
	1150	+(((
	1151	+* Set Baud Rate
	1152	+)))
811	811
812		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	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
813	813
814	814
815		-Set UART parity
	1157	+(((
	1158	+* Set UART Parity
	1159	+)))
816	816
817		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1161	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
818	818
819	819
820		-Set STOPBIT
	1164	+(((
	1165	+* Set STOPBIT
	1166	+)))
821	821
822		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1168	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
823	823
824	824
825		-* Downlink Payload:
	1171	+(((
	1172	+(% style="color:#037691" %)**Downlink Payload:**
	1173	+)))
826	826
827		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1175	+(((
	1176	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1177	+)))
828	828
829		-Example:
	1179	+(((
	1180	+**Example:**
	1181	+)))
830	830
831		-* A7 01 00 60   same as AT+BAUDR=9600
832		-* 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	+)))
833	833
834		-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	+)))
835	835
836		-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	+)))
837	837
838	838
839		-==== Control output power duration ====
840	840
841		-User can set the output power duration before each sampling.
842	842
843		-* AT Command:
	1201	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
844	844
845		-Example:
	1203	+* (((
	1204	+(% style="color:#037691" %)** AT Command:**
	1205	+)))
846	846
847		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1207	+**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
848	848
849		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1209	+**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
850	850
	1211	+* (((
	1212	+(% style="color:#037691" %)**Downlink Payload:**
	1213	+)))
851	851
852		-* LoRaWAN Downlink Command:
	1215	+**~ A7 04 07**: Same as  AT+DATABIT=7
853	853
854		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1217	+**~ A7 04 08**: Same as  AT+DATABIT=8
855	855
856		-07 02 aa bb  Same as AT+3V3T=(aa bb)
857	857
858	858
	1221	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
859	859
	1223	+(((
	1224	+
	1225	+)))
860	860
861		-1.
862		-11. Buttons
	1227	+* (((
	1228	+(% style="color:#037691" %)** AT Command:**
	1229	+)))
863	863
864		-|**Button**|**Feature**
865		-|**RST**|Reboot RS485-BL
	1231	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
866	866
867		-1.
868		-11. +3V3 Output
	1233	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
869	869
870		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
871	871
872		-The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
873	873
874	874
875		-The +3V3 output time can be controlled by AT Command.
	1238	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
876	876
877		-**AT+3V3T=1000**
878	878
879		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1241	+* (((
	1242	+(% style="color:#037691" %)** AT Command:**
	1243	+)))
880	880
	1245	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
881	881
882		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1247	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
883	883
884	884
885		-1.
886		-11. +5V Output
887	887
888		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
889	889
890		-The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
	1252	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
891	891
892	892
893		-The 5V output time can be controlled by AT Command.
	1255	+* (((
	1256	+(% style="color:#037691" %)** AT Command:**
	1257	+)))
894	894
895		-**AT+5VT=1000**
	1259	+(% 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)
896	896
897		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1261	+(% 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.
898	898
899	899
900		-By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
901	901
902	902
	1266	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
903	903
904	904
905		-1.
906		-11. LEDs
	1269	+* (((
	1270	+(% style="color:#037691" %)** AT Command:**
	1271	+)))
907	907
908		-|**LEDs**|**Feature**
909		-|**LED1**|Blink when device transmit a packet.
	1273	+ (% 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)
910	910
911		-1.
912		-11. Switch Jumper
	1275	+ (% 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.
913	913
914		-|**Switch Jumper**|**Feature**
915		-|**SW1**|(((
916		-ISP position: Upgrade firmware via UART
917	917
918		-Flash position: Configure device, check running status.
	1278	+* (((
	1279	+(% style="color:#037691" %)** Downlink Payload:**
919	919	)))
920		-|**SW2**|(((
921		-5V position: set to compatible with 5v I/O.
922	922
923		-3.3v position: set to compatible with 3.3v I/O.,
	1282	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1283	+
	1284	+
	1285	+
	1286	+
	1287	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1288	+
	1289	+
	1290	+* (((
	1291	+(% style="color:#037691" %)** AT Command:**
924	924	)))
925	925
926		-+3.3V: is always ON
	1294	+(% 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.
927	927
928		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1296	+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.
929	929
930		-1. Case Study
931	931
932		-User can check this URL for some case studies.
	1299	+[[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"]]
933	933
934		-[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
	1301	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
935	935
936	936
937	937
	1305	+[[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"]]
938	938
939		-1. Use AT Command
940		-11. Access AT Command
	1307	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
941	941
942		-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.
943	943
944		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
945	945
946	946
947		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
	1312	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
948	948
949		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
950	950
	1315	+(((
	1316	+* (% style="color:#037691" %)**Downlink Payload:**
951	951
	1318	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1319	+)))
952	952
953		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
954	954
	1322	+Example：
955	955
956	956
957		-1.
958		-11. Common AT Command Sequence
959		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1325	+[[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"]]
960	960
961		-If device has not joined network yet:
962	962
963		-AT+FDR
964	964
965		-AT+NJM=0
966	966
967		-ATZ
	1330	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
968	968
969	969
	1333	+* (((
	1334	+(% style="color:#037691" %)** AT Command:**
	1335	+)))
	1336	+
	1337	+(% 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.
	1338	+
	1339	+(% 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.
	1340	+
	1341	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
	1342	+
	1343	+
	1344	+* (((
	1345	+(% style="color:#037691" %)**Downlink Payload:**
	1346	+)))
	1347	+
	1348	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
	1349	+
	1350	+[[image:image-20220824144240-1.png]]
	1351	+
	1352	+
	1353	+
	1354	+== 3.6 Listening mode for RS485 network ==
	1355	+
	1356	+
	1357	+(((
	1358	+This feature support since firmware v1.4
	1359	+)))
	1360	+
	1361	+(((
	1362	+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.
	1363	+
	1364	+
	1365	+)))
	1366	+
	1367	+(% 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"]]
	1368	+
	1369	+(% title="Click and drag to resize" %)​
	1370	+
	1371	+(((
	1372	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1373	+)))
	1374	+
	1375	+(((
	1376	+
	1377	+)))
	1378	+
	1379	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1380	+|=(% style="width: 100px;" %)(((
	1381	+**Command example**
	1382	+)))|=(% style="width: 400px;" %)(((
	1383	+**Function**
	1384	+)))
	1385	+|(% style="width:100px" %)(((
	1386	+AT+RXMODE=1,10
	1387	+)))|(% style="width:400px" %)(((
	1388	+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.
	1389	+)))
	1390	+|(% style="width:100px" %)(((
	1391	+AT+RXMODE=2,500
	1392	+)))|(% style="width:400px" %)(((
	1393	+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
	1394	+)))
	1395	+|(% style="width:100px" %)(((
	1396	+AT+RXMODE=0,0
	1397	+)))|(% style="width:400px" %)(((
	1398	+Disable listening mode. This is the default settings.
	1399	+)))
	1400	+|(% style="width:100px" %)(((
	1401	+
	1402	+)))|(% style="width:400px" %)(((
	1403	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1404	+)))
	1405	+
	1406	+(((
	1407	+
	1408	+
	1409	+(% style="color:#037691" %)**Downlink Command:**
	1410	+)))
	1411	+
	1412	+(((
	1413	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1414	+)))
	1415	+
	1416	+(((
	1417	+
	1418	+)))
	1419	+
	1420	+(((
	1421	+**Example**:
	1422	+)))
	1423	+
	1424	+(((
	1425	+The RS485-LN is set to AT+RXMODE=2,1000
	1426	+)))
	1427	+
	1428	+(((
	1429	+There is a two Modbus commands in the RS485 network as below:
	1430	+)))
	1431	+
	1432	+(((
	1433	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1434	+)))
	1435	+
	1436	+(((
	1437	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1438	+)))
	1439	+
	1440	+(((
	1441	+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
	1442	+
	1443	+
	1444	+)))
	1445	+
	1446	+(((
	1447	+(% 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" %)​
	1448	+)))
	1449	+
	1450	+(((
	1451	+
	1452	+)))
	1453	+
	1454	+(((
	1455	+(((
	1456	+(% 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.**
	1457	+)))
	1458	+)))
	1459	+
	1460	+
	1461	+
	1462	+== 3.7 Buttons ==
	1463	+
	1464	+
	1465	+(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
	1466	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
	1467	+|(% 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**
	1468	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1469	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1470	+
	1471	+
	1472	+
	1473	+== 3.8 LEDs ==
	1474	+
	1475	+
	1476	+(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
	1477	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1478	+|**PWR**|Always on if there is power
	1479	+|**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	+
	1481	+
	1482	+
	1483	+= 4. Case Study =
	1484	+
	1485	+
	1486	+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]]
	1487	+
	1488	+
	1489	+
	1490	+= 5. Use AT Command =
	1491	+
	1492	+
	1493	+== 5.1 Access AT Command ==
	1494	+
	1495	+
	1496	+(((
	1497	+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.
	1498	+
	1499	+
	1500	+)))
	1501	+
	1502	+(% 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" %)​
	1503	+
	1504	+
	1505	+
	1506	+(((
	1507	+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:
	1508	+
	1509	+
	1510	+)))
	1511	+
	1512	+(% 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" %)​
	1513	+
	1514	+
	1515	+(((
	1516	+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/]]
	1517	+)))
	1518	+
	1519	+
	1520	+
	1521	+== 5.2 Common AT Command Sequence ==
	1522	+
	1523	+
	1524	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1525	+
	1526	+
	1527	+If device has not joined network yet:
	1528	+
	1529	+* (% style="color:#037691" %)**AT+FDR**
	1530	+* (% style="color:#037691" %)**AT+NJM=0**
	1531	+* (% style="color:#037691" %)**ATZ**
	1532	+
	1533	+(((
	1534	+
	1535	+
970	970	If device already joined network:
971	971
972		-AT+NJM=0
	1538	+* (% style="color:#037691" %)**AT+NJM=0**
	1539	+* (% style="color:#037691" %)**ATZ**
973	973
974		-ATZ
	1541	+
	1542	+)))
975	975
976		-1.
977		-11.
978		-111. Single-channel ABP mode (Use with LG01/LG02)
979	979
980		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
981	981
982		-AT+NJM=0 Set to ABP mode
	1546	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
983	983
984		-AT+ADR=0 Set the Adaptive Data Rate Off
985	985
986		-AT+DR=5  Set Data Rate
	1549	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
987	987
988		-AT+TDC=60000  Set transmit interval to 60 seconds
	1551	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
989	989
990		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1553	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
991	991
992		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1555	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
993	993
994		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1557	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
995	995
996		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1559	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
997	997
998		-ATZ          Reset MCU
	1561	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
999	999
1000		-**Note:**
	1563	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1001	1001
1002		-1. Make sure the device is set to ABP mode in the IoT Server.
1003		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1004		-1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1005		-1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1565	+(% 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.
1006	1006
1007		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1567	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1008	1008
1009	1009
1010		-1. FAQ
1011		-11. How to upgrade the image?
	1570	+(% style="color:red" %)**Note:**
1012	1012
1013		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1572	+(((
	1573	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1574	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1575	+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.
	1576	+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
1014	1014
1015		-* Support new features
1016		-* For bug fix
1017		-* Change LoRaWAN bands.
	1578	+
	1579	+)))
1018	1018
1019		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1581	+(% 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" %)​
1020	1020
1021		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1022	1022
1023		-**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]].
1024	1024
1025		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1585	+= 6. FAQ =
1026	1026
1027		-**Step3: **Open flashloader; choose the correct COM port to update.
1028	1028
	1588	+== 6.1 How to upgrade the image? ==
1029	1029
1030		-|(((
1031		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1590	+
	1591	+(((
	1592	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1032	1032	)))
1033	1033
1034		-|(((
1035		-Board detected
	1595	+* (((
	1596	+Support new features
1036	1036	)))
	1598	+* (((
	1599	+For bug fix
	1600	+)))
	1601	+* (((
	1602	+Change LoRaWAN bands.
	1603	+)))
1037	1037
1038		-|(((
	1605	+(((
	1606	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1607	+)))
	1608	+
	1609	+(% 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"]]
	1610	+
	1611	+(% title="Click and drag to resize" %)​
	1612	+
	1613	+(((
	1614	+(% 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]].
	1615	+
1039	1039
1040	1040	)))
1041	1041
1042		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
	1619	+(((
	1620	+(% 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]].
1043	1043
	1622	+
	1623	+)))
1044	1044
	1625	+(((
	1626	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1045	1045
1046		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
	1628	+
	1629	+)))
1047	1047
	1631	+(((
	1632	+(((
	1633	+(((
	1634	+(% 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.
	1635	+)))
	1636	+)))
	1637	+)))
1048	1048
1049		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1050	1050
	1640	+(% 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" %)​
1051	1051
1052		-1.
1053		-11. How to change the LoRa Frequency Bands/Region?
1054	1054
1055		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1643	+(% 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" %)​
1056	1056
1057	1057
	1646	+(% 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" %)​
1058	1058
1059		-1.
1060		-11. How many RS485-Slave can RS485-BL connects?
1061	1061
1062		-The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
	1649	+(% 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:**
1063	1063
	1651	+(% 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" %)​
1064	1064
1065	1065
1066	1066
1067		-1. Trouble Shooting
1068		-11. Downlink doesn’t work, how to solve it?
	1655	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1069	1069
1070		-Please see this link for debug:
1071	1071
1072		-[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
	1658	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1073	1073
1074	1074
1075	1075
1076		-1.
1077		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1662	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1078	1078
1079		-It might about the channels mapping. Please see for detail.
1080	1080
1081		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1665	+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"]].
1082	1082
1083	1083
1084	1084
1085		-1. Order Info
	1669	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1086	1086
1087		-**Part Number: RS485-BL-XXX**
1088	1088
1089		-**XXX:**
	1672	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1090	1090
1091		-* **EU433**: frequency bands EU433
1092		-* **EU868**: frequency bands EU868
1093		-* **KR920**: frequency bands KR920
1094		-* **CN470**: frequency bands CN470
1095		-* **AS923**: frequency bands AS923
1096		-* **AU915**: frequency bands AU915
1097		-* **US915**: frequency bands US915
1098		-* **IN865**: frequency bands IN865
1099		-* **RU864**: frequency bands RU864
1100		-* **KZ865: **frequency bands KZ865
	1674	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1101	1101
1102		-1. Packing Info
1103	1103
	1677	+
	1678	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1679	+
	1680	+
	1681	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1682	+
	1683	+
	1684	+
	1685	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1686	+
	1687	+
	1688	+[[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/]]
	1689	+
	1690	+
	1691	+
	1692	+= 7. Trouble Shooting =
	1693	+
	1694	+
	1695	+== 7.1 Downlink doesn't work, how to solve it? ==
	1696	+
	1697	+
	1698	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1699	+
	1700	+
	1701	+
	1702	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1703	+
	1704	+
	1705	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1706	+
	1707	+
	1708	+
	1709	+= 8. Order Info =
	1710	+
	1711	+
	1712	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1713	+
	1714	+(% style="color:blue" %)**XXX:**
	1715	+
	1716	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1717	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1718	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1719	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1720	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1721	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1722	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1723	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1724	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1725	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1726	+
	1727	+
	1728	+
	1729	+= 9.Packing Info =
	1730	+
	1731	+
1104	1104	**Package Includes**:
1105	1105
1106		-* RS485-BL x 1
	1734	+* RS485-LN x 1
1107	1107	* Stick Antenna for LoRa RF part x 1
1108	1108	* Program cable x 1
1109	1109
...	...	@@ -1114,9 +1114,70 @@
1114	1114	* Package Size / pcs : 14.5 x 8 x 5 cm
1115	1115	* Weight / pcs : 170g
1116	1116
1117		-1. Support
1118	1118
1119		-* 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.
1120		-* 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
1121	1121
1122		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1747	+= 10. FCC Caution for RS485LN-US915 =
	1748	+
	1749	+
	1750	+(((
	1751	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1752	+)))
	1753	+
	1754	+(((
	1755	+This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	1756	+)))
	1757	+
	1758	+(((
	1759	+
	1760	+)))
	1761	+
	1762	+(((
	1763	+(% style="color:red" %)**IMPORTANT NOTE:**
	1764	+)))
	1765	+
	1766	+(((
	1767	+(% 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:
	1768	+)))
	1769	+
	1770	+(((
	1771	+—Reorient or relocate the receiving antenna.
	1772	+)))
	1773	+
	1774	+(((
	1775	+—Increase the separation between the equipment and receiver.
	1776	+)))
	1777	+
	1778	+(((
	1779	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1780	+)))
	1781	+
	1782	+(((
	1783	+—Consult the dealer or an experienced radio/TV technician for help.
	1784	+)))
	1785	+
	1786	+(((
	1787	+
	1788	+)))
	1789	+
	1790	+(((
	1791	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1792	+)))
	1793	+
	1794	+(((
	1795	+This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
	1796	+)))
	1797	+
	1798	+
	1799	+
	1800	+= 11. Support =
	1801	+
	1802	+
	1803	+* (((
	1804	+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.
	1805	+)))
	1806	+* (((
	1807	+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]].
	1808	+
	1809	+
	1810	+
	1811	+)))

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