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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
	1	+(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
	2	+(((
	3	+(% data-widget="image" style="text-align:center" %)
	4	+[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
3	3
	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
9	9
10	10
	14	+
11	11	**Table of Contents:**
12	12
13	13	{{toc/}}
14	14
15	15
	20	+(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
	21	+(((
	22	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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16	16
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	29	+
	30	+
21	21	= 1.Introduction =
22	22
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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24	24
25	25	(((
26	26	(((
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	38	+
	39	+
27	27	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.
28	28	)))
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29	29
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31	31	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.
32	32	)))
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35	35	(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
36	36	)))
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37	37
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39	39	(% 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.
	59	+)))
40	40
	61	+(((
41	41	(% 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]]
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	64	+
42	42	)))
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44	44
45		-[[image:1653267211009-519.png||height="419" width="724"]]
	69	+(% 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" %)​
46	46
47	47
	72	+
48	48	== 1.2 Specifications ==
49	49
50	50
51		-**Hardware System:**
	76	+(% style="color:#037691" %)**Hardware System:**
52	52
53	53	* STM32L072CZT6 MCU
54	54	* SX1276/78 Wireless Chip
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56	56	** Idle: 32mA@12v
57	57	** 20dB Transmit: 65mA@12v
58	58
59		-**Interface for Model:**
60	60
	85	+(% style="color:#037691" %)**Interface for Model:**
	86	+
61	61	* RS485
62	62	* Power Input 7~~ 24V DC.
63	63
64		-**LoRa Spec:**
65	65
	91	+(% style="color:#037691" %)**LoRa Spec:**
	92	+
66	66	* Frequency Range:
67	67	** Band 1 (HF): 862 ~~ 1020 Mhz
68	68	** Band 2 (LF): 410 ~~ 528 Mhz
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83	83	* Packet engine up to 256 bytes with CRC
84	84
85	85
	113	+
86	86	== 1.3 Features ==
87	87
	116	+
88	88	* LoRaWAN Class A & Class C protocol (default Class C)
89	89	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
90	90	* AT Commands to change parameters
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95	95	* Support Interrupt uplink (Since hardware version v1.2)
96	96
97	97
	127	+
98	98	== 1.4 Applications ==
99	99
	130	+
100	100	* Smart Buildings & Home Automation
101	101	* Logistics and Supply Chain Management
102	102	* Smart Metering
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105	105	* Smart Factory
106	106
107	107
	139	+
108	108	== 1.5 Firmware Change log ==
109	109
	142	+
110	110	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
111	111
112	112
	146	+
113	113	== 1.6 Hardware Change log ==
114	114
	149	+
115	115	(((
116	116	(((
	152	+(((
117	117	v1.2: Add External Interrupt Pin.
	154	+)))
118	118
	156	+(((
119	119	v1.0: Release
	158	+)))
120	120
	160	+
121	121
122	122	)))
123	123	)))
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124	124
125	125	= 2. Power ON Device =
126	126
	167	+
127	127	(((
128	128	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
129	129
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134	134	Once there is power, the RS485-LN will be on.
135	135	)))
136	136
137		-[[image:1653268091319-405.png]]
	178	+(% 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" %)​
138	138
	180	+
139	139
140	140	)))
141	141
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143	143
144	144	== 3.1 How it works? ==
145	145
	188	+
146	146	(((
	190	+(((
147	147	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
	192	+)))
148	148
	194	+
149	149
150	150	)))
151	151
152	152	== 3.2 Example to join LoRaWAN network ==
153	153
	200	+
154	154	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.
155	155
156		-[[image:1653268155545-638.png||height="334" width="724"]]
	203	+(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
157	157
158	158
159	159	(((
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165	165	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
166	166	)))
167	167
168		-[[image:1653268227651-549.png||height="592" width="720"]]
	215	+(% 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" %)​
169	169
	217	+
170	170	(((
171	171	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:
	220	+
	221	+
172	172	)))
173	173
174	174	(((
175		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	225	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
176	176	)))
177	177
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180	180	)))
181	181	)))
182	182
183		-[[image:1652953462722-299.png]]
	233	+(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
184	184
	235	+
185	185	(((
186	186	(((
187	187	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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188	188	)))
189	189
190	190	(((
191		-Add APP EUI in the application.
	242	+**Add APP EUI in the application.**
192	192	)))
193	193	)))
194	194
195		-[[image:image-20220519174512-1.png]]
	246	+(% 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" %)​
196	196
197		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	248	+(% 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" %)​
198	198
199		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	250	+(% 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" %)​
200	200
201		-[[image:image-20220519174512-4.png]]
	252	+(% 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"]](% title="Click and drag to resize" %)​
202	202
203	203	You can also choose to create the device manually.
204	204
205		-[[image:1652953542269-423.png||height="710" width="723"]]
	256	+(% 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" %)​
206	206
207		-Add APP KEY and DEV EUI
208	208
209		-[[image:1652953553383-907.png||height="514" width="724"]]
210	210
	260	+**Add APP KEY and DEV EUI**
211	211
	262	+(% 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" %)​
	263	+
	264	+
212	212	(((
213		-**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.
	266	+(% 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.
214	214	)))
215	215
216		-[[image:1652953568895-172.png||height="232" width="724"]]
	269	+(% 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" %)​
217	217
218	218
	272	+
219	219	== 3.3 Configure Commands to read data ==
220	220
	275	+
221	221	(((
222	222	(((
223		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	278	+(((
	279	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
224	224	)))
	281	+)))
225	225
226	226	(((
227		-(% 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
	284	+(((
	285	+(% 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**
	286	+)))
228	228
	288	+
229	229
230	230	)))
231	231	)))
232	232
233		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	293	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
234	234
	295	+
235	235	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:
236	236
237		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
238		-|(% style="width:128px" %)(((
	298	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	299	+|=(% style="width: 110px;" %)(((
239	239	**AT Commands**
240		-)))|(% style="width:305px" %)(((
	301	+)))|=(% style="width: 190px;" %)(((
241	241	**Description**
242		-)))|(% style="width:346px" %)(((
	303	+)))|=(% style="width: 190px;" %)(((
243	243	**Example**
244	244	)))
245		-|(% style="width:128px" %)(((
	306	+|(% style="width:110px" %)(((
246	246	AT+BAUDR
247		-)))|(% style="width:305px" %)(((
	308	+)))|(% style="width:190px" %)(((
248	248	Set the baud rate (for RS485 connection). Default Value is: 9600.
249		-)))|(% style="width:346px" %)(((
	310	+)))|(% style="width:190px" %)(((
250	250	(((
251	251	AT+BAUDR=9600
252	252	)))
...	...	@@ -255,11 +255,11 @@
255	255	Options: (1200,2400,4800,14400,19200,115200)
256	256	)))
257	257	)))
258		-|(% style="width:128px" %)(((
	319	+|(% style="width:110px" %)(((
259	259	AT+PARITY
260		-)))|(% style="width:305px" %)(((
	321	+)))|(% style="width:190px" %)(((
261	261	Set UART parity (for RS485 connection)
262		-)))|(% style="width:346px" %)(((
	323	+)))|(% style="width:190px" %)(((
263	263	(((
264	264	AT+PARITY=0
265	265	)))
...	...	@@ -268,9 +268,9 @@
268	268	Option: 0: no parity, 1: odd parity, 2: even parity
269	269	)))
270	270	)))
271		-|(% style="width:128px" %)(((
	332	+|(% style="width:110px" %)(((
272	272	AT+STOPBIT
273		-)))|(% style="width:305px" %)(((
	334	+)))|(% style="width:190px" %)(((
274	274	(((
275	275	Set serial stopbit (for RS485 connection)
276	276	)))
...	...	@@ -278,7 +278,7 @@
278	278	(((
279	279
280	280	)))
281		-)))|(% style="width:346px" %)(((
	342	+)))|(% style="width:190px" %)(((
282	282	(((
283	283	AT+STOPBIT=0 for 1bit
284	284	)))
...	...	@@ -296,26 +296,36 @@
296	296
297	297	=== 3.3.2 Configure sensors ===
298	298
	360	+
299	299	(((
300	300	(((
301		-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.
	363	+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.
	364	+
	365	+
302	302	)))
303	303	)))
304	304
305		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
306		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
307		-|AT+CFGDEV|(% style="width:418px" %)(((
	369	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	370	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	371	+|AT+CFGDEV|(% style="width:110px" %)(((
	372	+(((
308	308	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	374	+)))
309	309
	376	+(((
310	310	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	378	+)))
311	311
	380	+(((
312	312	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	382	+)))
	383	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
314	314
315	315
316	316
317	317	=== 3.3.3 Configure read commands for each sampling ===
318	318
	389	+
319	319	(((
320	320	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.
321	321
...	...	@@ -326,7 +326,7 @@
326	326	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
327	327
328	328
329		-**Each RS485 commands include two parts:**
	400	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
330	330
331	331	~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.
332	332
...	...	@@ -337,15 +337,14 @@
337	337
338	338	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
339	339
340		-
341	341	Below are examples for the how above AT Commands works.
342	342
343	343
344		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	414	+(% 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:
345	345
346	346	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
347	347	|(% style="width:496px" %)(((
348		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	418	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
349	349
350	350	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
351	351
...	...	@@ -357,10 +357,10 @@
357	357	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
358	358
359	359
360		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	430	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
361	361
362		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
363		-|(% style="width:722px" %)(((
	432	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	433	+|(% style="width:510px" %)(((
364	364	**AT+DATACUTx=a,b,c**
365	365
366	366	* **a: length for the return of AT+COMMAND**
...	...	@@ -370,25 +370,29 @@
370	370
371	371	**Examples:**
372	372
373		-* Grab bytes:
	443	+* (% style="color:#037691" %)**Grab bytes**
374	374
375		-[[image:image-20220602153621-1.png]]
	445	+(% 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" %)​
376	376
377	377
378		-* Grab a section.
379	379
380		-[[image:image-20220602153621-2.png]]
	449	+* (% style="color:#037691" %)**Grab a section**
381	381
	451	+(% 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" %)​
382	382
383		-* Grab different sections.
384	384
385		-[[image:image-20220602153621-3.png]]
386	386
	455	+* (% style="color:#037691" %)**Grab different sections**
	456	+
	457	+(% 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" %)​
	458	+
	459	+
387	387
388	388	)))
389	389
390	390	=== 3.3.4 Compose the uplink payload ===
391	391
	465	+
392	392	(((
393	393	Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
394	394
...	...	@@ -417,7 +417,7 @@
417	417	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
418	418	)))
419	419
420		-[[image:1653269759169-150.png||height="513" width="716"]]
	494	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% 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" %)​
421	421
422	422
423	423	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -429,12 +429,13 @@
429	429
430	430	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
431	431
	506	+
432	432	1. PAYVER: Defined by AT+PAYVER
433	433	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
434	434	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
435	435	1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
436	436
437		-[[image:image-20220602155039-4.png]]
	512	+(% 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	439
440	440	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -446,7 +446,7 @@
446	446	DATA3=the rest of Valid value of RETURN10= **30**
447	447
448	448
449		-(% 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:
	524	+(% 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:**
450	450
451	451	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
452	452
...	...	@@ -459,11 +459,13 @@
459	459
460	460	Below are the uplink payloads:
461	461
462		-[[image:1654157178836-407.png]]
	537	+(% 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" %)​
463	463
464	464
	540	+
465	465	=== 3.3.5 Uplink on demand ===
466	466
	543	+
467	467	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.
468	468
469	469	Downlink control command:
...	...	@@ -476,575 +476,945 @@
476	476
477	477	=== 3.3.6 Uplink on Interrupt ===
478	478
	556	+
479	479	RS485-LN support external Interrupt uplink since hardware v1.2 release.
480	480
481		-[[image:1654157342174-798.png]]
	559	+(% 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" %)​
482	482
483	483	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.
484	484
485	485
	564	+
486	486	== 3.4 Uplink Payload ==
487	487
488		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
489		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
490		-|Value|(% style="width:120px" %)(((
491		-Battery(mV)
492	492
493		-&
	568	+(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
494	494
495		-Interrupt _Flag
496		-)))|(% style="width:116px" %)(((
497		-PAYLOAD_VER
	570	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
498	498
499		-
500		-)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
501	501
502		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
503	503
	574	+== 3.5 Configure RS485-LN via AT or Downlink ==
504	504
505		-== 3.5 Configure RS485-BL via AT or Downlink ==
506	506
	577	+(((
507	507	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	579	+)))
508	508
	581	+(((
509	509	There are two kinds of Commands:
	583	+)))
510	510
511		-* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	585	+* (((
	586	+(% 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]]
	587	+)))
512	512
513		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	589	+* (((
	590	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	591	+)))
514	514
	593	+(((
	594	+
	595	+)))
	596	+
	597	+
	598	+
515	515	=== 3.5.1 Common Commands ===
516	516
	601	+
517	517	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]]
518	518
519	519
520		-=== 3.5.2 Sensor related commands ===
521	521
	606	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	607	+
	608	+
522	522	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.
523	523
524		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
	611	+(% 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"]](% title="Click and drag to resize" %)​
525	525
526	526	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)
527	527
528	528
	616	+
529	529	=== 3.5.3 Sensor related commands ===
530	530
531	531
532	532
533		-==== **RS485 Debug Command** ====
534	534
535		-This command is used to configure the RS485 devices; they won’t be used during sampling.
	622	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
536	536
537		-* **AT Command**
538	538
539		-(% class="box infomessage" %)
540	540	(((
541		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	626	+This command is used to configure the RS485 devices; they won't be used during sampling.
542	542	)))
543	543
544		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	629	+* (((
	630	+(% style="color:#037691" %)**AT Command**
545	545
546		-* **Downlink Payload**
	632	+(((
	633	+**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
	634	+)))
	635	+)))
547	547
	637	+(((
	638	+
	639	+)))
	640	+
	641	+* (((
	642	+(% style="color:#037691" %)**Downlink Payload**
	643	+)))
	644	+
	645	+(((
548	548	Format: A8 MM NN XX XX XX XX YY
	647	+)))
549	549
	649	+(((
550	550	Where:
	651	+)))
551	551
552		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
553		-* NN: The length of RS485 command
554		-* XX XX XX XX: RS485 command total NN bytes
555		-* YY: How many bytes will be uplink from the return of this RS485 command,
556		-** if YY=0, RS485-LN will execute the downlink command without uplink;
557		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
558		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	653	+* (((
	654	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	655	+)))
	656	+* (((
	657	+NN: The length of RS485 command
	658	+)))
	659	+* (((
	660	+XX XX XX XX: RS485 command total NN bytes
	661	+)))
	662	+* (((
	663	+(((
	664	+YY: How many bytes will be uplink from the return of this RS485 command,
	665	+)))
559	559
560		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	667	+* (((
	668	+if YY=0, RS485-LN will execute the downlink command without uplink;
	669	+)))
	670	+* (((
	671	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	672	+)))
	673	+* (((
	674	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	675	+)))
	676	+)))
561	561
	678	+(((
	679	+
	680	+
	681	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	682	+)))
	683	+
	684	+(((
562	562	To connect a Modbus Alarm with below commands.
	686	+)))
563	563
564		-* 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.
	688	+* (((
	689	+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.
	690	+)))
565	565
566		-* 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.
	692	+* (((
	693	+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.
	694	+)))
567	567
	696	+(((
	697	+
	698	+
568	568	So if user want to use downlink command to control to RS485 Alarm, he can use:
	700	+)))
569	569
	702	+(((
570	570	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	704	+)))
571	571
	706	+(((
572	572	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	708	+)))
573	573
	710	+(((
574	574	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.
	712	+)))
575	575
	714	+(((
	715	+
	716	+)))
576	576
577		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	718	+(((
	719	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	720	+)))
578	578
	722	+(((
579	579	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	724	+)))
580	580
	726	+(((
	727	+
	728	+)))
581	581
582		-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:
	730	+(((
	731	+(((
	732	+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**
	733	+)))
583	583
584		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	735	+
	736	+)))
585	585
586		- [[image:1654159460680-153.png]]
	738	+(((
	739	+ (% 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" %)​
	740	+)))
587	587
588	588
589	589
590		-==== **Set Payload version** ====
591	591
592		-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.
	745	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
593	593
594		-* **AT Command:**
595	595
596		-(% class="box infomessage" %)
597	597	(((
598		-**AT+PAYVER: Set PAYVER field = 1**
	749	+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.
599	599	)))
600	600
601		-* **Downlink Payload:**
	752	+* (((
	753	+(% style="color:#037691" %)**AT Command:**
602	602
603		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	755	+**AT+PAYVER:    **Set PAYVER field = 1
604	604
605		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	757	+
	758	+)))
	759	+* (((
	760	+(% style="color:#037691" %)**Downlink Payload:**
	761	+)))
606	606
	763	+(((
	764	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	765	+)))
607	607
	767	+(((
	768	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	769	+)))
608	608
609		-==== **Set RS485 Sampling Commands** ====
610	610
611		-AT+COMMANDx or AT+DATACUTx
612	612
613		-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"]].
614	614
	774	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
615	615
616		-* **AT Command:**
617	617
618		-(% class="box infomessage" %)
619	619	(((
620		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	778	+AT+COMMANDx or AT+DATACUTx
621	621	)))
622	622
623		-(% class="box infomessage" %)
624	624	(((
625		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	782	+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"]].
626	626	)))
627	627
	785	+(((
	786	+
	787	+)))
628	628
629		-* **Downlink Payload:**
	789	+* (((
	790	+(% style="color:#037691" %)**AT Command:**
	791	+)))
630	630
	793	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
	794	+
	795	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
	796	+
	797	+
	798	+* (((
	799	+(% style="color:#037691" %)**Downlink Payload:**
	800	+)))
	801	+
	802	+(((
631	631	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
632	632
	805	+
	806	+)))
	807	+
	808	+(((
633	633	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
634	634
	811	+
	812	+)))
	813	+
	814	+(((
635	635	Format: AF MM NN LL XX XX XX XX YY
	816	+)))
636	636
	818	+(((
637	637	Where:
	820	+)))
638	638
639		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
640		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
641		-* LL:  The length of AT+COMMAND or AT+DATACUT command
642		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
643		-* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	822	+* (((
	823	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	824	+)))
	825	+* (((
	826	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	827	+)))
	828	+* (((
	829	+LL:  The length of AT+COMMAND or AT+DATACUT command
	830	+)))
	831	+* (((
	832	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	833	+)))
	834	+* (((
	835	+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.
	836	+)))
644	644
	838	+(((
	839	+
	840	+
645	645	**Example:**
	842	+)))
646	646
	844	+(((
647	647	(% 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
	846	+)))
648	648
	848	+(((
649	649	(% 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**
	850	+)))
650	650
	852	+(((
651	651	(% 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**
	854	+)))
652	652
653	653
654	654
655		-==== **Fast command to handle MODBUS device** ====
656	656
657		-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]].
	859	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
658	658
	861	+
	862	+(((
	863	+**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]].
	864	+)))
	865	+
	866	+(((
659	659	This command is valid since v1.3 firmware version
	868	+)))
660	660
	870	+(((
661	661	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.
	872	+)))
662	662
	874	+(((
	875	+
	876	+)))
663	663
	878	+(((
664	664	**Example:**
	880	+)))
665	665
666		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
667		-* 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.
668		-* 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.
	882	+* (((
	883	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	884	+)))
	885	+* (((
	886	+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.
	887	+)))
	888	+* (((
	889	+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.
669	669
670		-[[image:image-20220602165351-6.png]]
	891	+
	892	+)))
671	671
672		-[[image:image-20220602165351-7.png]]
	894	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
673	673
	896	+(% 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" %)​
674	674
675	675
676		-==== **RS485 command timeout** ====
677	677
	900	+
	901	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	902	+
	903	+
	904	+(((
678	678	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.
	906	+)))
679	679
	908	+(((
680	680	Default value: 0, range:  0 ~~ 65 seconds
	910	+)))
681	681
682		-* **AT Command:**
	912	+* (((
	913	+(% style="color:#037691" %)** AT Command:**
683	683
684		-(% class="box infomessage" %)
685		-(((
686	686	**AT+CMDDLaa=hex(bb cc)*1000**
687	687	)))
688	688
	918	+(((
	919	+
	920	+
689	689	**Example:**
	922	+)))
690	690
	924	+(((
691	691	**AT+CMDDL1=1000** to send the open time to 1000ms
	926	+)))
692	692
	928	+(((
	929	+
	930	+)))
693	693
694		-* **Downlink Payload:**
	932	+* (((
	933	+(% style="color:#037691" %)** Downlink Payload:**
	934	+)))
695	695
	936	+(((
696	696	**0x AA aa bb cc**
	938	+)))
697	697
	940	+(((
698	698	Same as: AT+CMDDLaa=hex(bb cc)*1000
	942	+)))
699	699
700		- **Example:**
	944	+(((
	945	+**Example:**
	946	+)))
701	701
702		- 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	948	+(((
	949	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	950	+)))
703	703
704	704
705	705
706		-==== **Uplink payload mode** ====
707	707
	955	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
	956	+
	957	+
	958	+(((
708	708	Define to use one uplink or multiple uplinks for the sampling.
	960	+)))
709	709
	962	+(((
710	710	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
711	711
712		-* **AT Command:**
	965	+
	966	+)))
713	713
714		-(% class="box infomessage" %)
715		-(((
716		-**AT+DATAUP=0**
	968	+* (((
	969	+(% style="color:#037691" %)** AT Command:**
717	717	)))
718	718
719		-(% class="box infomessage" %)
720		-(((
	972	+**AT+DATAUP=0**
	973	+
721	721	**AT+DATAUP=1**
722		-)))
723	723
724	724
725		-* **Downlink Payload:**
	977	+* (((
	978	+(% style="color:#037691" %)** Downlink Payload:**
	979	+)))
726	726
	981	+(((
727	727	**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	983	+)))
728	728
	985	+(((
729	729	**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	987	+)))
730	730
731	731
732	732
733		-==== **Manually trigger an Uplink** ====
734	734
	992	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	993	+
	994	+
	995	+(((
735	735	Ask device to send an uplink immediately.
	997	+)))
736	736
737		-* **AT Command:**
	999	+* (((
	1000	+(% style="color:#037691" %)** AT Command:**
	1001	+)))
738	738
739		-No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	1003	+(((
	1004	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1005	+)))
740	740
	1007	+(((
	1008	+
	1009	+)))
741	741
742		-* **Downlink Payload:**
	1011	+* (((
	1012	+(% style="color:#037691" %)** Downlink Payload:**
	1013	+)))
743	743
	1015	+(((
744	744	**0x08 FF**, RS485-LN will immediately send an uplink.
	1017	+)))
745	745
746	746
747	747
748		-==== **Clear RS485 Command** ====
749	749
	1022	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1023	+
	1024	+
	1025	+(((
750	750	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
751	751
752		-* **AT Command:**
	1028	+
	1029	+)))
753	753
	1031	+* (((
	1032	+(% style="color:#037691" %)** AT Command:**
	1033	+)))
	1034	+
	1035	+(((
754	754	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1037	+)))
755	755
	1039	+(((
756	756	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1041	+)))
757	757
	1043	+(((
758	758	Example screen shot after clear all RS485 commands.
	1045	+)))
759	759
	1047	+(((
	1048	+
	1049	+)))
760	760
	1051	+(((
761	761	The uplink screen shot is:
	1053	+)))
762	762
763		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	1055	+(% 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" %)​
764	764
765	765
766		-* **Downlink Payload:**
	1058	+* (((
	1059	+(% style="color:#037691" %)** Downlink Payload:**
	1060	+)))
767	767
	1062	+(((
768	768	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1064	+)))
769	769
770	770
771	771
772		-==== **Set Serial Communication Parameters** ====
773	773
774		-Set the Rs485 serial communication parameters:
	1069	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
775	775
776		-* **AT Command:**
777	777
778		-Set Baud Rate:
	1072	+(((
	1073	+Set the Rs485 serial communication parameters:
	1074	+)))
779	779
780		-(% class="box infomessage" %)
	1076	+* (((
	1077	+(% style="color:#037691" %)** AT Command:**
	1078	+)))
	1079	+
781	781	(((
782		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1081	+
	1082	+
	1083	+* Set Baud Rate
783	783	)))
784	784
785		-Set UART Parity
	1086	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
786	786
787		-(% class="box infomessage" %)
	1088	+
788	788	(((
789		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1090	+* Set UART Parity
790	790	)))
791	791
792		-Set STOPBIT
	1093	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
793	793
794		-(% class="box infomessage" %)
	1095	+
795	795	(((
796		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1097	+* Set STOPBIT
797	797	)))
798	798
	1100	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
799	799
800		-* **Downlink Payload:**
801	801
802		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
803	803
	1104	+* (((
	1105	+(% style="color:#037691" %)** Downlink Payload:**
	1106	+)))
	1107	+
	1108	+(((
	1109	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1110	+)))
	1111	+
	1112	+(((
804	804	**Example:**
	1114	+)))
805	805
806		-* A7 01 00 60   same as AT+BAUDR=9600
807		-* A7 01 04 80  same as AT+BAUDR=115200
	1116	+* (((
	1117	+A7 01 00 60   same as AT+BAUDR=9600
	1118	+)))
	1119	+* (((
	1120	+A7 01 04 80  same as AT+BAUDR=115200
	1121	+)))
808	808
809		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1123	+(((
	1124	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1125	+)))
810	810
811		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1127	+(((
	1128	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1129	+)))
812	812
813	813
	1132	+
	1133	+
814	814	== 3.6 Listening mode for RS485 network ==
815	815
	1136	+
	1137	+(((
816	816	This feature support since firmware v1.4
	1139	+)))
817	817
	1141	+(((
818	818	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.
819	819
820		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	1144	+
	1145	+)))
821	821
	1147	+(% 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"]](% title="Click and drag to resize" %)​
	1148	+
	1149	+(((
822	822	To enable the listening mode, use can run the command AT+RXMODE.
	1151	+)))
823	823
	1153	+(((
	1154	+
	1155	+)))
824	824
825		-(% border="1" style="background-color:#ffffcc; width:500px" %)
826		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
827		-|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
828		-|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
829		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
830		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1157	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1158	+|=(% style="width: 100px;" %)(((
	1159	+**Command example**
	1160	+)))|=(% style="width: 400px;" %)(((
	1161	+**Function**
	1162	+)))
	1163	+|(% style="width:100px" %)(((
	1164	+AT+RXMODE=1,10
	1165	+)))|(% style="width:400px" %)(((
	1166	+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.
	1167	+)))
	1168	+|(% style="width:100px" %)(((
	1169	+AT+RXMODE=2,500
	1170	+)))|(% style="width:400px" %)(((
	1171	+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
	1172	+)))
	1173	+|(% style="width:100px" %)(((
	1174	+AT+RXMODE=0,0
	1175	+)))|(% style="width:400px" %)(((
	1176	+Disable listening mode. This is the default settings.
	1177	+)))
	1178	+|(% style="width:100px" %)(((
	1179	+
	1180	+)))|(% style="width:400px" %)(((
	1181	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1182	+)))
831	831
832		-**Downlink Command:**
	1184	+(((
	1185	+(% style="color:#037691" %)** Downlink Command:**
	1186	+)))
833	833
	1188	+(((
834	834	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1190	+)))
835	835
	1192	+(((
	1193	+
	1194	+)))
836	836
	1196	+(((
837	837	**Example**:
	1198	+)))
838	838
	1200	+(((
839	839	The RS485-LN is set to AT+RXMODE=2,1000
	1202	+)))
840	840
	1204	+(((
841	841	There is a two Modbus commands in the RS485 network as below:
	1206	+)))
842	842
	1208	+(((
843	843	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1210	+)))
844	844
	1212	+(((
845	845	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1214	+)))
846	846
	1216	+(((
847	847	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
	1218	+)))
848	848
849		-[[image:image-20220602171200-9.png]]
	1220	+(((
	1221	+(% 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" %)​
	1222	+)))
850	850
	1224	+(((
	1225	+
	1226	+)))
851	851
852		-(% 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.
	1228	+(((
	1229	+(((
	1230	+(% 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.**
	1231	+)))
	1232	+)))
853	853
854	854
	1235	+
855	855	== 3.7 Buttons ==
856	856
857	857
858		-(% border="1" style="background-color:#f7faff; width:500px" %)
859		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
860		-|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
861		-|**RST**|(% style="width:1420px" %)Reboot RS485
862		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	1239	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1240	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1241	+|(% 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**
	1242	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1243	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
863	863
864	864
	1246	+
	1247	+
865	865	== 3.8 LEDs ==
866	866
867		-(% border="1" style="background-color:#f7faff; width:500px" %)
868		-|=**LEDs**|=**Feature**
	1250	+
	1251	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1252	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
869	869	|**PWR**|Always on if there is power
870		-|**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.
	1254	+|**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.
871	871
872	872
	1257	+
	1258	+
873	873	= 4. Case Study =
874	874
	1261	+
875	875	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]]
876	876
877	877
	1265	+
878	878	= 5. Use AT Command =
879	879
	1268	+
880	880	== 5.1 Access AT Command ==
881	881
882		-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.
883	883
884		-[[image:1654162355560-817.png]]
	1272	+(((
	1273	+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.
	1274	+)))
885	885
	1276	+(% 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" %)​
886	886
887		-In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
888	888
889		-[[image:1654162368066-342.png]]
	1279	+(((
	1280	+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:
	1281	+)))
890	890
	1283	+(% 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" %)​
891	891
892		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
893	893
	1286	+(((
	1287	+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/]]
	1288	+)))
894	894
	1290	+
	1291	+
895	895	== 5.2 Common AT Command Sequence ==
896	896
	1294	+
897	897	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
898	898
	1297	+
899	899	If device has not joined network yet:
900	900
901		-(% class="box infomessage" %)
902		-(((
903		-**AT+FDR**
904		-)))
	1300	+* (% style="color:#037691" %)**AT+FDR**
	1301	+* (% style="color:#037691" %)**AT+NJM=0**
	1302	+* (% style="color:#037691" %)**ATZ**
905	905
906		-(% class="box infomessage" %)
907	907	(((
908		-**AT+NJM=0**
909		-)))
	1305	+
910	910
911		-(% class="box infomessage" %)
912		-(((
913		-**ATZ**
914		-)))
915		-
916		-
917	917	If device already joined network:
918	918
919		-(% class="box infomessage" %)
920		-(((
921		-**AT+NJM=0**
922		-)))
	1309	+* (% style="color:#037691" %)**AT+NJM=0**
	1310	+* (% style="color:#037691" %)**ATZ**
923	923
924		-(% class="box infomessage" %)
925		-(((
926		-**ATZ**
	1312	+
927	927	)))
928	928
929	929
	1316	+
930	930	=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
931	931
932	932
933		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1320	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
934	934
935		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
	1322	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
936	936
937		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
	1324	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
938	938
939		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
	1326	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
940	940
941		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1328	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
942	942
943		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
	1330	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
944	944
945		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1332	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
946	946
947		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1334	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
948	948
949		-(% 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.
	1336	+(% 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.
950	950
951		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1338	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
952	952
953	953
954	954	(% style="color:red" %)**Note:**
955	955
	1343	+(((
956	956	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
957	957	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
958	958	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.
959	959	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
960	960
961		-[[image:1654162478620-421.png]]
	1349	+
	1350	+)))
962	962
	1352	+(% 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" %)​
963	963
	1354	+
	1355	+
964	964	= 6. FAQ =
965	965
	1358	+
966	966	== 6.1 How to upgrade the image? ==
967	967
	1361	+
	1362	+(((
968	968	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1364	+)))
969	969
970		-* Support new features
971		-* For bug fix
972		-* Change LoRaWAN bands.
	1366	+* (((
	1367	+Support new features
	1368	+)))
	1369	+* (((
	1370	+For bug fix
	1371	+)))
	1372	+* (((
	1373	+Change LoRaWAN bands.
	1374	+)))
973	973
	1376	+(((
974	974	Below shows the hardware connection for how to upload an image to RS485-LN:
	1378	+)))
975	975
976		-[[image:1654162535040-878.png]]
	1380	+(% 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"]]
977	977
978		-**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]].
	1382	+(% title="Click and drag to resize" %)​
979	979
980		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1384	+(((
	1385	+(% 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]].
	1386	+)))
981	981
982		-**Step3: **Open flashloader; choose the correct COM port to update.
	1388	+(((
	1389	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
	1390	+)))
983	983
	1392	+(((
	1393	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1394	+)))
	1395	+
	1396	+(((
	1397	+(((
	1398	+(((
984	984	(% 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.
	1400	+)))
	1401	+)))
	1402	+)))
985	985
986	986
987		-[[image:image-20220602175818-12.png]]
	1405	+(% 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" %)​
988	988
989	989
990		-[[image:image-20220602175848-13.png]]
	1408	+(% 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" %)​
991	991
992	992
993		-[[image:image-20220602175912-14.png]]
	1411	+(% 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" %)​
994	994
995	995
996		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1414	+(% 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:**
997	997
998		-[[image:image-20220602175638-10.png]]
	1416	+(% 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" %)​
999	999
1000	1000
	1419	+
1001	1001	== 6.2 How to change the LoRa Frequency Bands/Region? ==
1002	1002
	1422	+
1003	1003	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1004	1004
1005	1005
1006		-== 6.3 How many RS485-Slave can RS485-BL connects? ==
1007	1007
1008		-The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1427	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1009	1009
1010	1010
	1430	+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"]].
	1431	+
	1432	+
	1433	+
1011	1011	== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1012	1012
	1436	+
1013	1013	When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1014	1014
1015	1015	Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1016	1016
1017	1017
	1442	+
	1443	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1444	+
	1445	+
	1446	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1447	+
	1448	+
	1449	+
	1450	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1451	+
	1452	+
	1453	+[[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/]]
	1454	+
	1455	+
	1456	+
1018	1018	= 7. Trouble Shooting =
1019	1019
1020		-== 7.1 Downlink doesn’t work, how to solve it? ==
1021	1021
	1460	+== 7.1 Downlink doesn't work, how to solve it? ==
	1461	+
	1462	+
1022	1022	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1023	1023
1024	1024
1025		-== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1026	1026
	1467	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1468	+
	1469	+
1027	1027	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1028	1028
1029	1029
	1473	+
1030	1030	= 8. Order Info =
1031	1031
	1476	+
1032	1032	(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1033	1033
1034	1034	(% style="color:blue" %)**XXX:**
1035	1035
1036		-* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1037		-* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1038		-* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1039		-* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1040		-* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1041		-* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1042		-* (% style="color:blue" %)**US915**(%%): frequency bands US915
1043		-* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1044		-* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1045		-* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
	1481	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1482	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1483	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1484	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1485	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1486	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1487	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1488	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1489	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1490	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1046	1046
1047	1047
	1493	+
	1494	+
1048	1048	= 9.Packing Info =
1049	1049
1050	1050
...	...	@@ -1062,32 +1062,70 @@
1062	1062	* Weight / pcs : 170g
1063	1063
1064	1064
	1512	+
	1513	+
1065	1065	= 10. FCC Caution for RS485LN-US915 =
1066	1066
	1516	+
	1517	+(((
1067	1067	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1519	+)))
1068	1068
	1521	+(((
1069	1069	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.
	1523	+)))
1070	1070
	1525	+(((
	1526	+
	1527	+)))
1071	1071
1072		-**IMPORTANT NOTE:**
	1529	+(((
	1530	+(% style="color:red" %)**IMPORTANT NOTE:**
	1531	+)))
1073	1073
1074		-**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:
	1533	+(((
	1534	+(% 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:
	1535	+)))
1075	1075
	1537	+(((
1076	1076	—Reorient or relocate the receiving antenna.
	1539	+)))
1077	1077
	1541	+(((
1078	1078	—Increase the separation between the equipment and receiver.
	1543	+)))
1079	1079
	1545	+(((
1080	1080	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1547	+)))
1081	1081
	1549	+(((
1082	1082	—Consult the dealer or an experienced radio/TV technician for help.
	1551	+)))
1083	1083
	1553	+(((
	1554	+
	1555	+)))
1084	1084
1085		-**FCC Radiation Exposure Statement:**
	1557	+(((
	1558	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1559	+)))
1086	1086
	1561	+(((
1087	1087	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.
	1563	+)))
1088	1088
1089	1089
	1566	+
1090	1090	= 11. Support =
1091	1091
1092		-* 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.
1093		-* 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]].
	1569	+
	1570	+* (((
	1571	+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.
	1572	+)))
	1573	+* (((
	1574	+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]].
	1575	+
	1576	+
	1577	+
	1578	+)))

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