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

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Details

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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.karry

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	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/}}
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12	12
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13	13
14	14
15		-= 1.Introduction =
16	16
	27	+
	28	+
	29	+
	30	+
	31	+= 1. Introduction =
	32	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18	18
	35	+
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
24	24	(((
25		-RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	41	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
26	26	)))
27	27
28	28	(((
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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.
	50	+)))
34	34
	52	+(((
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
	57	+(% 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
	59	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
46	46
47		-* STM32L072CZT6 MCU
	65	+* STM32L072xxxx MCU
48	48	* SX1276/78 Wireless Chip
49	49	* Power Consumption (exclude RS485 device):
50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
	71	+(% style="color:#037691" %)**Interface for Model:**
54	54
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
	76	+(% style="color:#037691" %)**LoRa Spec:**
59	59
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -74,13 +74,13 @@
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.
	95	+* Packet engine up to 256 bytes with CRC
78	78
79		-
80	80	== 1.3 Features ==
81	81
	99	+
82	82	* LoRaWAN Class A & Class C protocol (default Class C)
83		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	101	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
84	84	* AT Commands to change parameters
85	85	* Remote configure parameters via LoRa Downlink
86	86	* Firmware upgradable via program port
...	...	@@ -88,9 +88,9 @@
88	88	* Support Modbus protocol
89	89	* Support Interrupt uplink (Since hardware version v1.2)
90	90
91		-
92	92	== 1.4 Applications ==
93	93
	111	+
94	94	* Smart Buildings & Home Automation
95	95	* Logistics and Supply Chain Management
96	96	* Smart Metering
...	...	@@ -98,19 +98,24 @@
98	98	* Smart Cities
99	99	* Smart Factory
100	100
101		-
102	102	== 1.5 Firmware Change log ==
103	103
	121	+
104	104	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
105	105
106	106
107	107	== 1.6 Hardware Change log ==
108	108
	127	+
109	109	(((
110	110	(((
	130	+(((
111	111	v1.2: Add External Interrupt Pin.
	132	+)))
112	112
	134	+(((
113	113	v1.0: Release
	136	+)))
114	114
115	115
116	116	)))
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118	118
119	119	= 2. Power ON Device =
120	120
	144	+
121	121	(((
122	122	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
123	123
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128	128	Once there is power, the RS485-LN will be on.
129	129	)))
130	130
131		-[[image:1653268091319-405.png]]
	155	+(% 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" %)​
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133	133
134	134	)))
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137	137
138	138	== 3.1 How it works? ==
139	139
	164	+
140	140	(((
	166	+(((
141	141	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.
	168	+)))
142	142
143	143
144	144	)))
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145	145
146	146	== 3.2 Example to join LoRaWAN network ==
147	147
	175	+
148	148	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.
149	149
150		-[[image:1653268155545-638.png||height="334" width="724"]]
151	151
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152	152
	181	+
153	153	(((
154	154	(((
155	155	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:
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157	157
158	158	(((
159	159	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	189	+
	190	+
160	160	)))
161	161
162		-[[image:1653268227651-549.png||height="592" width="720"]]
	193	+(% 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" %)​
163	163
	195	+
164	164	(((
165		-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:
	197	+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:
	198	+
	199	+
166	166	)))
167	167
168	168	(((
169		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	203	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
170	170	)))
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174	174	)))
175	175	)))
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177		-[[image:1652953462722-299.png]]
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178	178
	213	+
179	179	(((
180	180	(((
181	181	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	217	+
	218	+
182	182	)))
183	183
184	184	(((
185		-Add APP EUI in the application.
	222	+**Add APP EUI in the application.**
186	186	)))
187	187	)))
188	188
189		-[[image:image-20220519174512-1.png]]
	226	+(% 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" %)​
190	190
191		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	228	+(% 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" %)​
192	192
193		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	230	+(% 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" %)​
194	194
195		-[[image:image-20220519174512-4.png]]
	232	+(% 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"]]
196	196
	234	+
	235	+(% title="Click and drag to resize" %)​
	236	+
197	197	You can also choose to create the device manually.
198	198
199		-[[image:1652953542269-423.png||height="710" width="723"]]
	239	+(% 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" %)​
200	200
201		-Add APP KEY and DEV EUI
202	202
203		-[[image:1652953553383-907.png||height="514" width="724"]]
204	204
	243	+**Add APP KEY and DEV EUI**
205	205
	245	+(% 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" %)​
	246	+
	247	+
206	206	(((
207		-**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.
	249	+(% 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.
	250	+
	251	+
208	208	)))
209	209
210		-[[image:1652953568895-172.png||height="232" width="724"]]
	254	+(% 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" %)​
211	211
212	212
213		-== 3.3 Configure Commands to read data ==
	257	+== 3.3 Configure Device to Read RS485 Sensors ==
214	214
	259	+
	260	+There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
	261	+
	262	+
215	215	(((
216	216	(((
217		-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.
	265	+(((
	266	+(% 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**
218	218	)))
219	219
220		-(((
221		-(% 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
222	222
223		-
	270	+=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
	271	+
	272	+
	273	+Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
	274	+
	275	+* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
	276	+
	277	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
	278	+
	279	+
	280	+=== 3.3.2  Method 2 ~-~- via AT Commands ===
224	224	)))
225	225	)))
226	226
227		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	284	+==== 3.3.2.1 Configure UART settings for RS485 communication ====
228	228
229		-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:
230	230
231		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
232		-|(% style="width:128px" %)(((
	287	+To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
	288	+
	289	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	290	+|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
233	233	**AT Commands**
234		-)))|(% style="width:305px" %)(((
	292	+)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
235	235	**Description**
236		-)))|(% style="width:346px" %)(((
	294	+)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
237	237	**Example**
238	238	)))
239		-|(% style="width:128px" %)(((
	297	+|(% style="width:126px" %)(((
	298	+
	299	+
	300	+(((
240	240	AT+BAUDR
241		-)))|(% style="width:305px" %)(((
	302	+)))
	303	+)))|(% style="width:177px" %)(((
242	242	Set the baud rate (for RS485 connection). Default Value is: 9600.
243		-)))|(% style="width:346px" %)(((
	305	+)))|(% style="width:193px" %)(((
244	244	(((
245	245	AT+BAUDR=9600
246	246	)))
247	247
248	248	(((
249		-Options: (1200,2400,4800,14400,19200,115200)
	311	+Options: (1200,2400,4800,
	312	+14400,19200,115200)
250	250	)))
251	251	)))
252		-|(% style="width:128px" %)(((
	315	+|(% style="width:126px" %)(((
253	253	AT+PARITY
254		-)))|(% style="width:305px" %)(((
	317	+)))|(% style="width:177px" %)(((
255	255	Set UART parity (for RS485 connection)
256		-)))|(% style="width:346px" %)(((
	319	+)))|(% style="width:193px" %)(((
257	257	(((
258	258	AT+PARITY=0
259	259	)))
260	260
261	261	(((
262		-Option: 0: no parity, 1: odd parity, 2: even parity
	325	+Option: 0: no parity,
	326	+1: odd parity,
	327	+2: even parity
263	263	)))
264	264	)))
265		-|(% style="width:128px" %)(((
	330	+|(% style="width:126px" %)(((
266	266	AT+STOPBIT
267		-)))|(% style="width:305px" %)(((
	332	+)))|(% style="width:177px" %)(((
268	268	(((
269	269	Set serial stopbit (for RS485 connection)
270	270	)))
271		-
	336	+)))|(% style="width:193px" %)(((
272	272	(((
273		-
274		-)))
275		-)))|(% style="width:346px" %)(((
276		-(((
277	277	AT+STOPBIT=0 for 1bit
278	278	)))
279	279
...	...	@@ -286,27 +286,31 @@
286	286	)))
287	287	)))
288	288
	350	+=== 3.3.3 Configure sensors ===
289	289
290		-=== 3.3.2 Configure sensors ===
291	291
292	292	(((
293		-(((
294		-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.
	354	+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.
295	295	)))
296		-)))
297	297
298		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
299		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
300		-|AT+CFGDEV|(% style="width:418px" %)(((
	357	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	358	+|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
	359	+|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
	360	+(((
301	301	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	362	+)))
302	302
	364	+(((
303	303	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	366	+)))
304	304
	368	+(((
305	305	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
306		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	370	+)))
	371	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307	307
	373	+=== 3.3.4 Configure read commands for each sampling ===
308	308
309		-=== 3.3.3 Configure read commands for each sampling ===
310	310
311	311	(((
312	312	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.
...	...	@@ -318,8 +318,9 @@
318	318	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
319	319
320	320
321		-**Each RS485 commands include two parts:**
	386	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
322	322
	388	+
323	323	~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.
324	324
325	325	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.
...	...	@@ -329,15 +329,14 @@
329	329
330	330	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
331	331
332		-
333	333	Below are examples for the how above AT Commands works.
334	334
335	335
336		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	401	+(% 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:
337	337
338		-(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	403	+(% border="1" style="background-color:#f2f2f2; width:499px" %)
339	339	|(% style="width:496px" %)(((
340		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	405	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
341	341
342	342	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
343	343
...	...	@@ -349,10 +349,24 @@
349	349	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
350	350
351	351
352		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	417	+If a single command exceeds 14 bytes, you can use the command splicing function.
353	353
354		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
355		-|(% style="width:722px" %)(((
	419	+When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
	420	+
	421	+
	422	+**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
	423	+
	424	+ AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
	425	+
	426	+ AT+COMMAND1=1
	427	+
	428	+ AT+COMMAND2=0E 0F,0
	429	+
	430	+
	431	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
	432	+
	433	+(% border="1" style="background-color:#f2f2f2; width:510px" %)
	434	+|(% style="width:510px" %)(((
356	356	**AT+DATACUTx=a,b,c**
357	357
358	358	* **a: length for the return of AT+COMMAND**
...	...	@@ -362,25 +362,29 @@
362	362
363	363	**Examples:**
364	364
365		-* Grab bytes:
366	366
367		-[[image:image-20220602153621-1.png]]
	445	+* (% style="color:#037691" %)**Grab bytes**
368	368
	447	+(% 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" %)​
369	369
370		-* Grab a section.
371	371
372		-[[image:image-20220602153621-2.png]]
373	373
	451	+* (% style="color:#037691" %)**Grab a section**
374	374
375		-* Grab different sections.
	453	+(% 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" %)​
376	376
377		-[[image:image-20220602153621-3.png]]
378	378
	456	+
	457	+* (% style="color:#037691" %)**Grab different sections**
	458	+
	459	+(% 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" %)​
	460	+
379	379
380	380	)))
381	381
382		-=== 3.3.4 Compose the uplink payload ===
	464	+=== 3.3.5 Compose the uplink payload ===
383	383
	466	+
384	384	(((
385	385	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.**
386	386
...	...	@@ -398,710 +398,1395 @@
398	398	)))
399	399
400	400	(((
401		-Final Payload is
	484	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
402	402	)))
403	403
404	404	(((
405		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
406		-)))
407		-
408		-(((
409	409	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	489	+
	490	+
410	410	)))
411	411
412		-[[image:1653269759169-150.png||height="513" width="716"]]
	493	+[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
413	413
414	414
415		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
	496	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
416	416
417	417
418	418	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
419	419
420		-Final Payload is
	501	+Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
421	421
422		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423	423
424		-1. Battery Info (2 bytes): Battery voltage
425		-1. PAYVER (1 byte): Defined by AT+PAYVER
426		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
427		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
428		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
	504	+~1. PAYVER: Defined by AT+PAYVER
429	429
430		-[[image:1653269916228-732.png||height="433" width="711"]]
	506	+2. PAYLOAD COUNT: Total how many uplinks of this sampling.
431	431
	508	+3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
432	432
433		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
	510	+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
434	434
435		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
436	436
437		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	513	+(% 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" %)​
438	438
439		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
440	440
441		-Below are the uplink payloads:
	516	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
442	442
443		-[[image:1653270130359-810.png]]
	518	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
444	444
	520	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
445	445
446		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	522	+DATA3=the rest of Valid value of RETURN10= **30**
447	447
448		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
449	449
450		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	525	+(% 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:**
451	451
452		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
453	453
454		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	528	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
455	455
456		-=== 3.3.5 Uplink on demand ===
	530	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
457	457
458		-Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
	532	+ * For US915 band, max 11 bytes for each uplink.
459	459
460		-Downlink control command:
	534	+ ~* For all other bands: max 51 bytes for each uplink.
461	461
462		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
463	463
464		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	537	+(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
465	465
	539	+(% 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)**
466	466
467	467
468		-1.
469		-11.
470		-111. Uplink on Interrupt
471	471
472		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	543	+Below are the uplink payloads:
473	473
474		-AT+INTMOD=0  Disable Interrupt
475	475
476		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	546	+(% 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" %)​
477	477
478		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
479	479
480		-AT+INTMOD=3  Interrupt trigger by rising edge.
	549	+=== 3.3.6 Uplink on demand ===
481	481
482	482
483		-1.
484		-11. Uplink Payload
	552	+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.
485	485
486		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
487		-|Value|(((
488		-Battery(mV)
	554	+(% style="color:blue" %)**Downlink control command:**
489	489
490		-&
	556	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
491	491
492		-Interrupt _Flag
493		-)))|(((
	558	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
	559	+
	560	+
	561	+=== 3.3.7 Uplink on Interrupt ===
	562	+
	563	+
	564	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
	565	+
	566	+(% 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" %)​
	567	+
	568	+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.
	569	+
	570	+
	571	+== 3.4 Uplink Payload ==
	572	+
	573	+
	574	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	575	+|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
	576	+**Size(bytes)**
	577	+)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
	578	+**Length depends on the return from the commands**
	579	+)))
	580	+|(% style="width:90px" %)(((
	581	+Value
	582	+)))|(% style="width:114px" %)(((
494	494	PAYLOAD_VER
	584	+)))|(% style="width:353px" %)(((
	585	+If the valid payload is too long and exceed the maximum
495	495
496		-
497		-)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
	587	+support payload length in server, server will show payload not
498	498
499		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	589	+provided in the LoRaWAN server.
	590	+)))
500	500
	592	+(% 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"]](%%)Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
501	501
502		-function Decoder(bytes, port) {
503	503
504		-~/~/Payload Formats of RS485-BL Deceive
	595	+== 3.5 Configure RS485-LN via AT or Downlink ==
505	505
506		-return {
507	507
508		- ~/~/Battery,units:V
	598	+(((
	599	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	600	+)))
509	509
510		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	602	+(((
	603	+There are two kinds of Commands:
	604	+)))
511	511
512		- ~/~/GPIO_EXTI
	606	+* (((
	607	+(% 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]]
	608	+)))
513	513
514		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	610	+* (((
	611	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	612	+)))
515	515
516		- ~/~/payload of version
	614	+(((
	615	+
	616	+)))
517	517
518		- Pay_ver:bytes[2],
519	519
520		- };
	619	+=== 3.5.1 Common Commands ===
521	521
522		- }
523	523
	622	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
524	524
525	525
	625	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
526	526
527	527
	628	+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.
528	528
529	529
530		-TTN V3 uplink screen shot.
	631	+(% 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"]]
531	531
532		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	633	+(% title="Click and drag to resize" %)​
533	533
534		-1.
535		-11. Configure RS485-BL via AT or Downlink
	635	+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)
536	536
537		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
538	538
539		-There are two kinds of Commands:
	638	+=== 3.5.3 Sensor related commands ===
540	540
541		-* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
542	542
543		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
544	544
545		-1.
546		-11.
547		-111. Common Commands:
	642	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
548	548
549		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
550	550
	645	+(((
	646	+This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
	647	+)))
551	551
552		-1.
553		-11.
554		-111. Sensor related commands:
	649	+(((
	650	+* (% style="color:#037691" %)**AT Command**
555	555
556		-==== Choose Device Type (RS485 or TTL) ====
	652	+(((
	653	+(% 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
	654	+)))
	655	+)))
557	557
558		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	657	+(((
	658	+
	659	+)))
559	559
560		-* AT Command
	661	+* (((
	662	+(% style="color:#037691" %)**Downlink Payload**
	663	+)))
561	561
562		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	665	+(((
	666	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	667	+)))
563	563
564		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	669	+(((
	670	+Where:
	671	+)))
565	565
	673	+* (((
	674	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	675	+)))
	676	+* (((
	677	+NN: The length of RS485 command
	678	+)))
	679	+* (((
	680	+XX XX XX XX: RS485 command total NN bytes
	681	+)))
	682	+* (((
	683	+(((
	684	+YY: How many bytes will be uplink from the return of this RS485 command,
	685	+)))
566	566
567		-* Downlink Payload
	687	+* (((
	688	+if YY=0, RS485-LN will execute the downlink command without uplink;
	689	+)))
	690	+* (((
	691	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	692	+)))
	693	+* (((
	694	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	695	+)))
	696	+)))
568	568
569		-**0A aa**     à same as AT+MOD=aa
	698	+(((
	699	+
570	570
	701	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	702	+)))
571	571
	704	+(((
	705	+To connect a Modbus Alarm with below commands.
	706	+)))
572	572
573		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	708	+* (((
	709	+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.
	710	+)))
574	574
575		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	712	+* (((
	713	+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.
	714	+)))
576	576
577		-* AT Command
	716	+(((
	717	+
578	578
579		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	719	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	720	+)))
580	580
581		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	722	+(((
	723	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	724	+)))
582	582
	726	+(((
	727	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	728	+)))
583	583
	730	+(((
	731	+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.
	732	+)))
584	584
585		-* Downlink Payload
	734	+(((
	735	+
	736	+)))
586	586
587		-Format: A8 MM NN XX XX XX XX YY
	738	+(((
	739	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	740	+)))
588	588
589		-Where:
	742	+(((
	743	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	744	+)))
590	590
591		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
592		-* NN: The length of RS485 command
593		-* XX XX XX XX: RS485 command total NN bytes
594		-* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
	746	+(((
	747	+
	748	+)))
595	595
596		-**Example 1:**
	750	+(((
	751	+(((
	752	+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**
	753	+)))
597	597
598		-To connect a Modbus Alarm with below commands.
	755	+
	756	+)))
599	599
600		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	758	+(((
	759	+ (% 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" %)​
	760	+)))
601	601
602		-* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
603	603
604		-So if user want to use downlink command to control to RS485 Alarm, he can use:
605	605
606		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	764	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
607	607
608		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
609	609
610		-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.
	767	+(((
	768	+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.
	769	+)))
611	611
	771	+(((
	772	+* (% style="color:#037691" %)**AT Command:**
612	612
613		-**Example 2:**
	774	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
614	614
615		-Check TTL Sensor return:
	776	+
	777	+)))
616	616
617		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	779	+* (((
	780	+(% style="color:#037691" %)**Downlink Payload:**
	781	+)))
618	618
	783	+(((
	784	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	785	+)))
619	619
	787	+(((
	788	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	789	+)))
620	620
621	621
622		-==== Set Payload version ====
	792	+**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
623	623
624		-This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
625	625
626		-* AT Command:
	795	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
627	627
628		-AT+PAYVER: Set PAYVER field = 1
629	629
630	630
631		-* Downlink Payload:
	799	+**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.**
632	632
633		-0xAE 01   à Set PAYVER field =  0x01
634	634
635		-0xAE 0F   à Set PAYVER field =  0x0F
	802	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
636	636
637	637
638		-==== Set RS485 Sampling Commands ====
639	639
640		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	806	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
641	641
642		-These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
643	643
	809	+(((
	810	+AT+COMMANDx or AT+DATACUTx
	811	+)))
644	644
645		-* AT Command:
	813	+(((
	814	+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"]].
	815	+)))
646	646
647		-AT+COMMANDx: Configure RS485 read command to sensor.
	817	+(((
	818	+
	819	+)))
648	648
649		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	821	+* (((
	822	+(% style="color:#037691" %)**AT Command:**
	823	+)))
650	650
651		-AT+SEARCHx: Configure search command
	825	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
652	652
	827	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
653	653
654		-* Downlink Payload:
655	655
656		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	830	+* (((
	831	+(% style="color:#037691" %)**Downlink Payload:**
	832	+)))
657	657
658		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	834	+(((
	835	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
659	659
660		-Format: AF MM NN LL XX XX XX XX YY
	837	+
	838	+)))
661	661
662		-Where:
	840	+(((
	841	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
663	663
664		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
665		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
666		-* LL: The length of AT+COMMAND or AT+DATACUT command
667		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
668		-* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
	843	+
	844	+)))
669	669
670		-Example:
	846	+(((
	847	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	848	+)))
671	671
672		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	850	+(((
	851	+Where:
	852	+)))
673	673
674		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	854	+* (((
	855	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	856	+)))
	857	+* (((
	858	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	859	+)))
	860	+* (((
	861	+LL:  The length of AT+COMMAND or AT+DATACUT command
	862	+)))
	863	+* (((
	864	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	865	+)))
	866	+* (((
	867	+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.
	868	+)))
675	675
676		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	870	+(((
	871	+
677	677
	873	+**Example:**
	874	+)))
678	678
679		-0xAB downlink command can be used for set AT+SEARCHx
	876	+(((
	877	+(% 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
	878	+)))
680	680
681		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	880	+(((
	881	+(% 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**
	882	+)))
682	682
683		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
684		-* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
	884	+(((
	885	+(% 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**
	886	+)))
685	685
686		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
687	687
688	688
689		-==== Fast command to handle MODBUS device ====
	890	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
690	690
691		-AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
692	692
	893	+(((
	894	+(% 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]].
	895	+)))
	896	+
	897	+(((
693	693	This command is valid since v1.3 firmware version
	899	+)))
694	694
	901	+(((
	902	+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.
	903	+)))
695	695
696		-AT+MBFUN has only two value:
	905	+(((
	906	+
	907	+)))
697	697
698		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	909	+(((
	910	+**Example:**
	911	+)))
699	699
700		-AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	913	+* (((
	914	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	915	+)))
	916	+* (((
	917	+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.
	918	+)))
	919	+* (((
	920	+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.
701	701
702		-* AT+MBFUN=0: Disable Modbus fast reading.
	922	+
	923	+)))
703	703
704		-Example:
	925	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
705	705
706		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
707		-* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
708		-* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
	927	+(% title="Click and drag to resize" %)​
709	709
710		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	929	+(% 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" %)​
711	711
	931	+* (((
	932	+(% style="color:#037691" %)**Downlink Command:**
	933	+)))
712	712
713		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	935	+**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
714	714
715	715
716		-* Downlink Commands:
	938	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
717	717
718		-A9 aa -à Same as AT+MBFUN=aa
719	719
	941	+(((
	942	+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.
	943	+)))
720	720
721		-==== RS485 command timeout ====
	945	+(((
	946	+Default value: 0, range:  0 ~~ 65 seconds
	947	+)))
722	722
723		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
	949	+(((
	950	+* (% style="color:#037691" %)** AT Command:**
724	724
725		-Default value: 0, range:  0 ~~ 5 seconds
	952	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	953	+)))
726	726
	955	+(((
	956	+
727	727
728		-* AT Command:
	958	+**Example:**
	959	+)))
729	729
730		-AT+CMDDLaa=hex(bb cc)
	961	+(((
	962	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	963	+)))
731	731
732		-Example:
	965	+(((
	966	+
	967	+)))
733	733
734		-**AT+CMDDL1=1000** to send the open time to 1000ms
	969	+* (((
	970	+(% style="color:#037691" %)** Downlink Payload:**
	971	+)))
735	735
	973	+(((
	974	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
	975	+)))
736	736
737		-* Downlink Payload:
	977	+(((
	978	+
738	738
739		-0x AA aa bb cc
	980	+**Example:**
	981	+)))
740	740
741		-Same as: AT+CMDDLaa=hex(bb cc)
	983	+(((
	984	+**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	985	+)))
742	742
743		- Example:
744	744
745		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
746	746
	989	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
747	747
748		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
749	749
	992	+(((
750	750	Define to use one uplink or multiple uplinks for the sampling.
	994	+)))
751	751
752		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	996	+(((
	997	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
753	753
754		-* AT Command:
	999	+
	1000	+)))
755	755
756		-AT+DATAUP=0
	1002	+(((
	1003	+* (% style="color:#037691" %)** AT Command:**
757	757
758		-AT+DATAUP=1
	1005	+(% style="color:#4472c4" %)** AT+DATAUP=0**
759	759
	1007	+(% style="color:#4472c4" %)** AT+DATAUP=1**
760	760
761		-* Downlink Payload:
	1009	+
	1010	+)))
762	762
763		-0xAD 00   à Same as AT+DATAUP=0
	1012	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
764	764
765		-0xAD 01   à Same as AT+DATAUP=1
	1014	+Each uplink is sent to the server at 20-second intervals when segmented.
766	766
767	767
768		-==== Manually trigger an Uplink ====
	1017	+* (((
	1018	+(% style="color:#037691" %)** Downlink Payload:**
	1019	+)))
769	769
	1021	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
	1022	+
	1023	+(% 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.
	1024	+
	1025	+
	1026	+(Since firmware v1.4.0)
	1027	+
	1028	+* (((
	1029	+(% style="color:#037691" %)** AT Command:**
	1030	+)))
	1031	+
	1032	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
	1033	+
	1034	+
	1035	+* (((
	1036	+(% style="color:#037691" %)** Downlink Payload:**
	1037	+)))
	1038	+
	1039	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1040	+
	1041	+Each uplink is sent to the server at 20-second intervals when segmented.
	1042	+
	1043	+
	1044	+==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
	1045	+
	1046	+
	1047	+AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
	1048	+
	1049	+When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
	1050	+
	1051	+When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
	1052	+
	1053	+
	1054	+* (((
	1055	+(% style="color:#037691" %)** AT Command:**
	1056	+)))
	1057	+
	1058	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
	1059	+
	1060	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
	1061	+
	1062	+
	1063	+(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
	1064	+
	1065	+
	1066	+(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
	1067	+
	1068	+
	1069	+* (((
	1070	+(% style="color:#037691" %)** Downlink Payload:**
	1071	+)))
	1072	+
	1073	+//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
	1074	+
	1075	+// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
	1076	+
	1077	+//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
	1078	+
	1079	+//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
	1080	+
	1081	+
	1082	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1083	+
	1084	+
	1085	+(((
770	770	Ask device to send an uplink immediately.
	1087	+)))
771	771
772		-* Downlink Payload:
	1089	+* (((
	1090	+(% style="color:#037691" %)** AT Command:**
	1091	+)))
773	773
774		-0x08 FF, RS485-BL will immediately send an uplink.
	1093	+(((
	1094	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1095	+)))
775	775
	1097	+(((
	1098	+
	1099	+)))
776	776
777		-==== Clear RS485 Command ====
	1101	+* (((
	1102	+(% style="color:#037691" %)** Downlink Payload:**
	1103	+)))
778	778
	1105	+(((
	1106	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1107	+)))
	1108	+
	1109	+
	1110	+
	1111	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1112	+
	1113	+
	1114	+(((
779	779	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
780	780
	1117	+
	1118	+)))
781	781
782		-* AT Command:
	1120	+* (((
	1121	+(% style="color:#037691" %)** AT Command:**
	1122	+)))
783	783
784		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1124	+(((
	1125	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1126	+)))
785	785
	1128	+(((
	1129	+
	1130	+
786	786	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1132	+)))
787	787
	1134	+(((
788	788	Example screen shot after clear all RS485 commands.
	1136	+)))
789	789
	1138	+(((
	1139	+
	1140	+)))
790	790
791		-
	1142	+(((
792	792	The uplink screen shot is:
	1144	+)))
793	793
794		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1146	+(% 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" %)​
795	795
796	796
797		-* Downlink Payload:
	1149	+* (((
	1150	+(% style="color:#037691" %)** Downlink Payload:**
	1151	+)))
798	798
799		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1153	+(((
	1154	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1155	+)))
800	800
801	801
802		-==== Set Serial Communication Parameters ====
803	803
	1159	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1160	+
	1161	+
	1162	+(((
804	804	Set the Rs485 serial communication parameters:
	1164	+)))
805	805
806		-* AT Command:
	1166	+(((
	1167	+(% style="color:#037691" %)**AT Command:**
	1168	+)))
807	807
808		-Set Baud Rate:
	1170	+(((
	1171	+* Set Baud Rate
	1172	+)))
809	809
810		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1174	+(% 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
811	811
812	812
813		-Set UART parity
	1177	+(((
	1178	+* Set UART Parity
	1179	+)))
814	814
815		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1181	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
816	816
817	817
818		-Set STOPBIT
	1184	+(((
	1185	+* Set STOPBIT
	1186	+)))
819	819
820		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1188	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
821	821
822	822
823		-* Downlink Payload:
	1191	+(((
	1192	+(% style="color:#037691" %)**Downlink Payload:**
	1193	+)))
824	824
825		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1195	+(((
	1196	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1197	+)))
826	826
827		-Example:
	1199	+(((
	1200	+**Example:**
	1201	+)))
828	828
829		-* A7 01 00 60   same as AT+BAUDR=9600
830		-* A7 01 04 80  same as AT+BAUDR=115200
	1203	+* (((
	1204	+A7 01 00 60  same as AT+BAUDR=9600
	1205	+)))
	1206	+* (((
	1207	+A7 01 04 80  same as AT+BAUDR=115200
	1208	+)))
831	831
832		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1210	+(((
	1211	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1212	+)))
833	833
834		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1214	+(((
	1215	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1216	+)))
835	835
836	836
837		-==== Control output power duration ====
838	838
839		-User can set the output power duration before each sampling.
840	840
841		-* AT Command:
	1221	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
842	842
843		-Example:
844	844
845		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1224	+* (((
	1225	+(% style="color:#037691" %)** AT Command:**
	1226	+)))
846	846
847		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1228	+(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
848	848
	1230	+(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
849	849
850		-* LoRaWAN Downlink Command:
	1232	+* (((
	1233	+(% style="color:#037691" %)**Downlink Payload:**
	1234	+)))
851	851
852		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1236	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
853	853
854		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1238	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
855	855
856	856
857	857
	1242	+==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
858	858
859		-1.
860		-11. Buttons
	1244	+(((
	1245	+
	1246	+)))
861	861
862		-|**Button**|**Feature**
863		-|**RST**|Reboot RS485-BL
	1248	+* (((
	1249	+(% style="color:#037691" %)** AT Command:**
	1250	+)))
864	864
865		-1.
866		-11. +3V3 Output
	1252	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
867	867
868		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1254	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
869	869
870		-The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
871	871
872	872
873		-The +3V3 output time can be controlled by AT Command.
	1258	+==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
874	874
875		-**AT+3V3T=1000**
876	876
877		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1261	+* (((
	1262	+(% style="color:#037691" %)** AT Command:**
	1263	+)))
878	878
	1265	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
879	879
880		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1267	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
881	881
882	882
883		-1.
884		-11. +5V Output
885	885
886		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1271	+==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
887	887
888		-The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
889	889
	1274	+* (((
	1275	+(% style="color:#037691" %)** AT Command:**
	1276	+)))
890	890
891		-The 5V output time can be controlled by AT Command.
	1278	+(% 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)
892	892
893		-**AT+5VT=1000**
	1280	+(% 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.
894	894
895		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
896	896
897	897
898		-By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
	1284	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
899	899
900	900
	1287	+* (((
	1288	+(% style="color:#037691" %)** AT Command:**
	1289	+)))
901	901
	1291	+ (% 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)
902	902
903		-1.
904		-11. LEDs
	1293	+ (% 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.
905	905
906		-|**LEDs**|**Feature**
907		-|**LED1**|Blink when device transmit a packet.
908	908
909		-1.
910		-11. Switch Jumper
	1296	+* (((
	1297	+(% style="color:#037691" %)** Downlink Payload:**
	1298	+)))
911	911
912		-|**Switch Jumper**|**Feature**
913		-|**SW1**|(((
914		-ISP position: Upgrade firmware via UART
	1300	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
915	915
916		-Flash position: Configure device, check running status.
	1302	+
	1303	+
	1304	+==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
	1305	+
	1306	+
	1307	+* (((
	1308	+(% style="color:#037691" %)** AT Command:**
917	917	)))
918		-|**SW2**|(((
919		-5V position: set to compatible with 5v I/O.
920	920
921		-3.3v position: set to compatible with 3.3v I/O.,
	1311	+(% 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.
	1312	+
	1313	+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.
	1314	+
	1315	+
	1316	+[[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"]]
	1317	+
	1318	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1319	+
	1320	+
	1321	+
	1322	+[[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"]]
	1323	+
	1324	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1325	+
	1326	+
	1327	+
	1328	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
	1329	+
	1330	+
	1331	+(((
	1332	+* (% style="color:#037691" %)**Downlink Payload:**
	1333	+
	1334	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
922	922	)))
923	923
924		-+3.3V: is always ON
925	925
926		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1338	+Example：
927	927
928		-1. Case Study
929	929
930		-User can check this URL for some case studies.
	1341	+[[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"]]
931	931
932		-[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
933	933
934	934
	1345	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
935	935
936	936
937		-1. Use AT Command
938		-11. Access AT Command
	1348	+* (((
	1349	+(% style="color:#037691" %)** AT Command:**
	1350	+)))
939	939
940		-RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
	1352	+(% 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.
941	941
942		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1354	+(% 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.
943	943
	1356	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
944	944
945		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
946	946
947		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1359	+* (((
	1360	+(% style="color:#037691" %)**Downlink Payload:**
	1361	+)))
948	948
	1363	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
949	949
	1365	+[[image:image-20220824144240-1.png]]
950	950
951		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
952	952
	1368	+== 3.6 Listening mode for RS485 network ==
953	953
954	954
955		-1.
956		-11. Common AT Command Sequence
957		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1371	+(((
	1372	+This feature support since firmware v1.4
	1373	+)))
958	958
959		-If device has not joined network yet:
	1375	+(((
	1376	+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.
960	960
961		-AT+FDR
	1378	+
	1379	+)))
962	962
963		-AT+NJM=0
	1381	+(% 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"]]
964	964
965		-ATZ
	1383	+(% title="Click and drag to resize" %)​
966	966
	1385	+(((
	1386	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1387	+)))
967	967
	1389	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1390	+|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
	1391	+**Command example**
	1392	+)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
	1393	+**Function**
	1394	+)))
	1395	+|(% style="width:156px" %)(((
	1396	+AT+RXMODE=1,10
	1397	+)))|(% style="width:352px" %)(((
	1398	+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.
	1399	+)))
	1400	+|(% style="width:156px" %)(((
	1401	+AT+RXMODE=2,500
	1402	+)))|(% style="width:352px" %)(((
	1403	+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
	1404	+)))
	1405	+|(% style="width:156px" %)(((
	1406	+AT+RXMODE=0,0
	1407	+)))|(% style="width:352px" %)(((
	1408	+Disable listening mode. This is the default settings.
	1409	+)))
	1410	+|(% style="width:156px" %)(((
	1411	+
	1412	+)))|(% style="width:352px" %)(((
	1413	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1414	+)))
	1415	+
	1416	+(((
	1417	+
	1418	+
	1419	+(% style="color:#037691" %)**Downlink Command:**
	1420	+)))
	1421	+
	1422	+(((
	1423	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1424	+)))
	1425	+
	1426	+(((
	1427	+
	1428	+)))
	1429	+
	1430	+(((
	1431	+**Example**:
	1432	+)))
	1433	+
	1434	+(((
	1435	+The RS485-LN is set to AT+RXMODE=2,1000
	1436	+)))
	1437	+
	1438	+(((
	1439	+There is a two Modbus commands in the RS485 network as below:
	1440	+)))
	1441	+
	1442	+(((
	1443	+The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
	1444	+)))
	1445	+
	1446	+(((
	1447	+And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
	1448	+)))
	1449	+
	1450	+(((
	1451	+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**
	1452	+
	1453	+
	1454	+)))
	1455	+
	1456	+(((
	1457	+(% 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" %)​
	1458	+)))
	1459	+
	1460	+
	1461	+
	1462	+(((
	1463	+(% 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.**
	1464	+)))
	1465	+
	1466	+
	1467	+== 3.7 Buttons ==
	1468	+
	1469	+
	1470	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1471	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1472	+|(% 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**
	1473	+|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
	1474	+|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1475	+
	1476	+== 3.8 LEDs ==
	1477	+
	1478	+
	1479	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1480	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1481	+|PWR|Always on if there is power
	1482	+|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.
	1483	+
	1484	+= 4. Case Study =
	1485	+
	1486	+
	1487	+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]]
	1488	+
	1489	+
	1490	+= 5. Use AT Command =
	1491	+
	1492	+== 5.1 Access AT Command ==
	1493	+
	1494	+
	1495	+(((
	1496	+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.
	1497	+
	1498	+
	1499	+)))
	1500	+
	1501	+(% 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" %)​
	1502	+
	1503	+
	1504	+
	1505	+(((
	1506	+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:
	1507	+
	1508	+
	1509	+)))
	1510	+
	1511	+(% 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" %)​
	1512	+
	1513	+
	1514	+(((
	1515	+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/]]
	1516	+)))
	1517	+
	1518	+
	1519	+== 5.2 Common AT Command Sequence ==
	1520	+
	1521	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1522	+
	1523	+
	1524	+If device has not joined network yet:
	1525	+
	1526	+* (% style="color:#037691" %)**AT+FDR**
	1527	+* (% style="color:#037691" %)**AT+NJM=0**
	1528	+* (% style="color:#037691" %)**ATZ**
	1529	+
	1530	+(((
	1531	+
	1532	+
968	968	If device already joined network:
969	969
970		-AT+NJM=0
	1535	+* (% style="color:#037691" %)**AT+NJM=0**
	1536	+* (% style="color:#037691" %)**ATZ**
	1537	+)))
971	971
972		-ATZ
973	973
974		-1.
975		-11.
976		-111. Single-channel ABP mode (Use with LG01/LG02)
977	977
978		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1541	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
979	979
980		-AT+NJM=0 Set to ABP mode
981	981
982		-AT+ADR=0 Set the Adaptive Data Rate Off
	1544	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
983	983
984		-AT+DR=5  Set Data Rate
	1546	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
985	985
986		-AT+TDC=60000  Set transmit interval to 60 seconds
	1548	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
987	987
988		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1550	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
989	989
990		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1552	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
991	991
992		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1554	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
993	993
994		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1556	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
995	995
996		-ATZ          Reset MCU
	1558	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
997	997
998		-**Note:**
	1560	+(% 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.
999	999
1000		-1. Make sure the device is set to ABP mode in the IoT Server.
1001		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1002		-1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1003		-1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1562	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1004	1004
1005		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1006	1006
	1565	+(% style="color:red" %)**Note:**
1007	1007
1008		-1. FAQ
1009		-11. How to upgrade the image?
	1567	+(((
	1568	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1569	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1570	+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.
	1571	+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
1010	1010
1011		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1573	+
	1574	+)))
1012	1012
1013		-* Support new features
1014		-* For bug fix
1015		-* Change LoRaWAN bands.
	1576	+(% 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" %)​
1016	1016
1017		-Below shows the hardware connection for how to upload an image to RS485-BL:
1018	1018
1019		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1579	+= 6. FAQ =
1020	1020
1021		-**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	1581	+== 6.1 How to upgrade the image? ==
1022	1022
1023		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1024	1024
1025		-**Step3: **Open flashloader; choose the correct COM port to update.
	1584	+(((
	1585	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1586	+)))
1026	1026
	1588	+* (((
	1589	+Support new features
	1590	+)))
	1591	+* (((
	1592	+For bug fix
	1593	+)))
	1594	+* (((
	1595	+Change LoRaWAN bands.
	1596	+)))
1027	1027
1028		-|(((
1029		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1598	+(((
	1599	+Below shows the hardware connection for how to upload an image to RS485-LN:
1030	1030	)))
1031	1031
1032		-|(((
1033		-Board detected
	1602	+(% 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"]]
	1603	+
	1604	+(% title="Click and drag to resize" %)​
	1605	+
	1606	+(((
	1607	+(% 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]].
	1608	+
	1609	+
1034	1034	)))
1035	1035
1036		-|(((
	1612	+(((
	1613	+(% 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]].
	1614	+
1037	1037
1038	1038	)))
1039	1039
1040		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
	1618	+(((
	1619	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1041	1041
	1621	+
	1622	+)))
1042	1042
	1624	+(((
	1625	+(((
	1626	+(((
	1627	+(% 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.
	1628	+)))
	1629	+)))
	1630	+)))
1043	1043
1044		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1045	1045
	1633	+(% 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" %)​
1046	1046
1047		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1048	1048
	1636	+(% 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" %)​
1049	1049
1050		-1.
1051		-11. How to change the LoRa Frequency Bands/Region?
1052	1052
1053		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1639	+(% 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" %)​
1054	1054
1055	1055
1056	1056
1057		-1.
1058		-11. How many RS485-Slave can RS485-BL connects?
	1643	+(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1059	1059
1060		-The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
	1645	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1061	1061
1062	1062
	1648	+(% 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
	1650	+(% 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		-1. Trouble Shooting
1066		-11. Downlink doesn’t work, how to solve it?
1067	1067
1068		-Please see this link for debug:
	1653	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1069	1069
1070		-[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1071	1071
	1656	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1072	1072
1073	1073
1074		-1.
1075		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1659	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1076	1076
1077		-It might about the channels mapping. Please see for detail.
1078	1078
1079		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1662	+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"]].
1080	1080
1081	1081
	1665	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1082	1082
1083		-1. Order Info
1084	1084
1085		-**Part Number: RS485-BL-XXX**
	1668	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1086	1086
1087		-**XXX:**
	1670	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1088	1088
1089		-* **EU433**: frequency bands EU433
1090		-* **EU868**: frequency bands EU868
1091		-* **KR920**: frequency bands KR920
1092		-* **CN470**: frequency bands CN470
1093		-* **AS923**: frequency bands AS923
1094		-* **AU915**: frequency bands AU915
1095		-* **US915**: frequency bands US915
1096		-* **IN865**: frequency bands IN865
1097		-* **RU864**: frequency bands RU864
1098		-* **KZ865: **frequency bands KZ865
1099	1099
1100		-1. Packing Info
	1673	+== 6.5 Can i use point to point communication for RS485-LN? ==
1101	1101
	1675	+
	1676	+Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1677	+
	1678	+
	1679	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1680	+
	1681	+
	1682	+[[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/]]
	1683	+
	1684	+
	1685	+== 6.7 How to judge whether there is a problem with the set COMMAND ==
	1686	+
	1687	+=== 6.7.1 Introduce: ===
	1688	+
	1689	+
	1690	+Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
	1691	+
	1692	+1. Test if Modbus-MTU works with PC commands.
	1693	+1. Check if RS485-LN sent the expected command to Mobus-MTU
	1694	+1. Check if Modbus-MTU return back the expected result to RS485-LN.
	1695	+1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
	1696	+
	1697	+[[image:image-20221130104310-1.png||height="380" width="680"]]
	1698	+
	1699	+
	1700	+Example Connection:
	1701	+
	1702	+[[image:image-20221130104310-2.png]]
	1703	+
	1704	+
	1705	+=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
	1706	+
	1707	+
	1708	+(% style="color:red" %)**Note: Receive and send set to hex mode**
	1709	+
	1710	+[[image:image-20221130104310-3.png||height="616" width="714"]]
	1711	+
	1712	+
	1713	+=== 6.7.3 With ModRSsim2: ===
	1714	+
	1715	+
	1716	+(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
	1717	+
	1718	+[[image:image-20221130104310-4.png||height="390" width="865"]]
	1719	+
	1720	+
	1721	+(% style="color:blue" %)**(2) Click the serial port icon**
	1722	+
	1723	+[[image:image-20221130104310-5.png||height="392" width="870"]]
	1724	+
	1725	+
	1726	+(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
	1727	+
	1728	+[[image:image-20221130104310-6.png]]
	1729	+
	1730	+
	1731	+(% style="color:blue" %)**(4) Click the comms.**
	1732	+
	1733	+[[image:image-20221130104310-7.png||height="376" width="835"]]
	1734	+
	1735	+(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
	1736	+**Run RS485-LN/BL command and monitor if it is correct.**
	1737	+
	1738	+
	1739	+=== 6.7.4 Example – Test the CFGDEV command ===
	1740	+
	1741	+
	1742	+RS485-LN sent below command:
	1743	+
	1744	+(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
	1745	+
	1746	+
	1747	+We can see the output from the Serial port tool to analyze. And check if they are expected result.
	1748	+
	1749	+[[image:image-20221130104310-8.png||height="214" width="797"]]
	1750	+
	1751	+
	1752	+We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
	1753	+
	1754	+[[image:image-20221130104310-9.png||height="531" width="729"]]
	1755	+
	1756	+
	1757	+=== 6.7.5 Example – Test CMD command sets. ===
	1758	+
	1759	+
	1760	+Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
	1761	+
	1762	+
	1763	+(% style="color:blue" %)**Serial port tool:**
	1764	+
	1765	+[[image:image-20221130104310-10.png||height="339" width="844"]]
	1766	+
	1767	+
	1768	+(% style="color:blue" %)**ModRSsim2:**
	1769	+
	1770	+[[image:image-20221130104310-11.png||height="281" width="962"]]
	1771	+
	1772	+
	1773	+=== 6.7.6 Test with PC ===
	1774	+
	1775	+
	1776	+If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
	1777	+
	1778	+
	1779	+Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
	1780	+
	1781	+(% style="color:blue" %)**Connection method：**
	1782	+
	1783	+[[image:image-20221130104310-12.png]]
	1784	+
	1785	+
	1786	+(% style="color:blue" %)**Link situation:**
	1787	+
	1788	+[[image:image-20221130104310-13.png||height="458" width="486"]]
	1789	+
	1790	+
	1791	+[[image:image-20221130104310-14.png||height="371" width="823"]]
	1792	+
	1793	+
	1794	+== 6.8 Where to get the decoder for RS485-LN? ==
	1795	+
	1796	+
	1797	+The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
	1798	+
	1799	+
	1800	+== 6.9 How to configure RS485 commands more conveniently？ ==
	1801	+
	1802	+
	1803	+Dragino has developed an application for the RS485 series of products.
	1804	+
	1805	+It can help you configure RS485 sensors more conveniently
	1806	+Please refer to the link below for specific usage：
	1807	+
	1808	+[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
	1809	+
	1810	+
	1811	+= 7. Trouble Shooting =
	1812	+
	1813	+== 7.1 Downlink doesn't work, how to solve it? ==
	1814	+
	1815	+
	1816	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1817	+
	1818	+
	1819	+== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
	1820	+
	1821	+
	1822	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1823	+
	1824	+
	1825	+== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
	1826	+
	1827	+This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
	1828	+
	1829	+Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
	1830	+
	1831	+[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
	1832	+
	1833	+Example:
	1834	+
	1835	+[[image:image-20240620145456-1.png]]
	1836	+
	1837	+Please refer to the following command to fix DR
	1838	+
	1839	+AT+ADR=0
	1840	+
	1841	+AT+DR=3
	1842	+
	1843	+Downlink command:
	1844	+
	1845	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
	1846	+
	1847	+
	1848	+
	1849	+= 8. Order Info =
	1850	+
	1851	+
	1852	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1853	+
	1854	+(% style="color:blue" %)**XXX:**
	1855	+
	1856	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1857	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1858	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1859	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1860	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1861	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1862	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1863	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1864	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1865	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1866	+
	1867	+= 9. Packing Info =
	1868	+
	1869	+
1102	1102	**Package Includes**:
1103	1103
1104		-* RS485-BL x 1
	1872	+* RS485-LN x 1
1105	1105	* Stick Antenna for LoRa RF part x 1
1106	1106	* Program cable x 1
1107	1107
...	...	@@ -1112,9 +1112,67 @@
1112	1112	* Package Size / pcs : 14.5 x 8 x 5 cm
1113	1113	* Weight / pcs : 170g
1114	1114
1115		-1. Support
	1883	+= 10. FCC Caution for RS485LN-US915 =
1116	1116
1117		-* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1118		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1119	1119
1120		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1886	+(((
	1887	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1888	+)))
	1889	+
	1890	+(((
	1891	+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.
	1892	+)))
	1893	+
	1894	+(((
	1895	+
	1896	+)))
	1897	+
	1898	+(((
	1899	+(% style="color:red" %)**IMPORTANT NOTE:**
	1900	+)))
	1901	+
	1902	+(((
	1903	+(% 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:
	1904	+)))
	1905	+
	1906	+(((
	1907	+—Reorient or relocate the receiving antenna.
	1908	+)))
	1909	+
	1910	+(((
	1911	+—Increase the separation between the equipment and receiver.
	1912	+)))
	1913	+
	1914	+(((
	1915	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1916	+)))
	1917	+
	1918	+(((
	1919	+—Consult the dealer or an experienced radio/TV technician for help.
	1920	+)))
	1921	+
	1922	+(((
	1923	+
	1924	+)))
	1925	+
	1926	+(((
	1927	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1928	+)))
	1929	+
	1930	+(((
	1931	+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.
	1932	+)))
	1933	+
	1934	+
	1935	+= 11. Support =
	1936	+
	1937	+
	1938	+* (((
	1939	+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.
	1940	+)))
	1941	+* (((
	1942	+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]].
	1943	+
	1944	+
	1945	+
	1946	+)))

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