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Title

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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
	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" %)​
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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
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" %)
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	22	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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16	16
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	29	+
	30	+
21	21	= 1.Introduction =
22	22
	33	+
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
24	24
25	25	(((
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	39	+
	40	+
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
30	30	(((
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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.
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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.
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40	40
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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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42	42	)))
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44	44
45		-[[image:1653267211009-519.png||height="419" width="724"]]
	70	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
46	46
47	47
	73	+
48	48	== 1.2 Specifications ==
49	49
50	50
51		-**Hardware System:**
	77	+(% 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
	86	+(% style="color:#037691" %)**Interface for Model:**
	87	+
61	61	* RS485
62	62	* Power Input 7~~ 24V DC.
63	63
64		-**LoRa Spec:**
65	65
	92	+(% style="color:#037691" %)**LoRa Spec:**
	93	+
66	66	* Frequency Range:
67	67	** Band 1 (HF): 862 ~~ 1020 Mhz
68	68	** Band 2 (LF): 410 ~~ 528 Mhz
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82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83	83	* Packet engine up to 256 bytes with CRC
84	84
	113	+
	114	+
85	85	== 1.3 Features ==
86	86
	117	+
87	87	* LoRaWAN Class A & Class C protocol (default Class C)
88		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	119	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
89	89	* AT Commands to change parameters
90	90	* Remote configure parameters via LoRa Downlink
91	91	* Firmware upgradable via program port
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93	93	* Support Modbus protocol
94	94	* Support Interrupt uplink (Since hardware version v1.2)
95	95
	127	+
	128	+
96	96	== 1.4 Applications ==
97	97
	131	+
98	98	* Smart Buildings & Home Automation
99	99	* Logistics and Supply Chain Management
100	100	* Smart Metering
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102	102	* Smart Cities
103	103	* Smart Factory
104	104
	139	+
	140	+
105	105	== 1.5 Firmware Change log ==
106	106
	143	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
	147	+
110	110	== 1.6 Hardware Change log ==
111	111
	150	+
112	112	(((
113	113	(((
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114	114	v1.2: Add External Interrupt Pin.
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115	115
	157	+(((
116	116	v1.0: Release
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117	117
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118	118
119	119	)))
120	120	)))
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121	121
122	122	= 2. Power ON Device =
123	123
	168	+
124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126	126
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131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
	179	+(% 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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	181	+
136	136
137	137	)))
138	138
139	139	= 3. Operation Mode =
140	140
	187	+
141	141	== 3.1 How it works? ==
142	142
	190	+
143	143	(((
	192	+(((
144	144	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
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145	145
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146	146
147	147	)))
148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
	202	+
151	151	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
152	152
153		-[[image:1653268155545-638.png||height="334" width="724"]]
154	154
	206	+(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
155	155
	208	+
156	156	(((
157	157	(((
158	158	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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160	160
161	161	(((
162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	216	+
	217	+
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
	220	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
166	166
	222	+
167	167	(((
168	168	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:
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	226	+
169	169	)))
170	170
171	171	(((
172		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	230	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
173	173	)))
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177	177	)))
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179	179
180		-[[image:1652953462722-299.png]]
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181	181
	240	+
182	182	(((
183	183	(((
184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	244	+
	245	+
185	185	)))
186	186
187	187	(((
188		-Add APP EUI in the application.
	249	+**Add APP EUI in the application.**
189	189	)))
190	190	)))
191	191
192		-[[image:image-20220519174512-1.png]]
	253	+(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
193	193
194		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	255	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
195	195
196		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	257	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
197	197
198		-[[image:image-20220519174512-4.png]]
	259	+(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
199	199
	261	+
	262	+(% title="Click and drag to resize" %)​
	263	+
200	200	You can also choose to create the device manually.
201	201
202		-[[image:1652953542269-423.png||height="710" width="723"]]
	266	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	270	+**Add APP KEY and DEV EUI**
208	208
	272	+(% 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" %)​
	273	+
	274	+
	275	+
209	209	(((
210		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	277	+(% 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.
	278	+
	279	+
211	211	)))
212	212
213		-[[image:1652953568895-172.png||height="232" width="724"]]
	282	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
214	214
215	215
	285	+
216	216	== 3.3 Configure Commands to read data ==
217	217
	288	+
218	218	(((
219	219	(((
220		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||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.
	291	+(((
	292	+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.
	293	+
	294	+
221	221	)))
	296	+)))
222	222
223	223	(((
224		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	299	+(((
	300	+(% 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**
	301	+)))
225	225
	303	+
226	226
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	308	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231	231
	310	+
232	232	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	313	+
	314	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	315	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	317	+)))|=(% style="width: 190px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	319	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	322	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	324	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	326	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
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252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	335	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	337	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	339	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
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265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	348	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	350	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
...	...	@@ -275,7 +275,7 @@
275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	358	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
...	...	@@ -289,26 +289,38 @@
289	289	)))
290	290	)))
291	291
	372	+
292	292	=== 3.3.2 Configure sensors ===
293	293
	375	+
294	294	(((
295	295	(((
296		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
	378	+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.
	379	+
	380	+
297	297	)))
298	298	)))
299	299
300		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302		-|AT+CFGDEV|(% style="width:418px" %)(((
	384	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	385	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	386	+|AT+CFGDEV|(% style="width:110px" %)(((
	387	+(((
303	303	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	389	+)))
304	304
	391	+(((
305	305	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	393	+)))
306	306
	395	+(((
307	307	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	397	+)))
	398	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
309	309
	400	+
310	310	=== 3.3.3 Configure read commands for each sampling ===
311	311
	403	+
312	312	(((
313	313	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.
314	314
...	...	@@ -319,8 +319,9 @@
319	319	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
320	320
321	321
322		-**Each RS485 commands include two parts:**
	414	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
323	323
	416	+
324	324	~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.
325	325
326	326	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.
...	...	@@ -330,15 +330,14 @@
330	330
331	331	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
332	332
333		-
334	334	Below are examples for the how above AT Commands works.
335	335
336	336
337		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	429	+(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
338	338
339	339	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
340	340	|(% style="width:496px" %)(((
341		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	433	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
342	342
343	343	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
344	344
...	...	@@ -350,10 +350,10 @@
350	350	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
351	351
352	352
353		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	445	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
354	354
355		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356		-|(% style="width:722px" %)(((
	447	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	448	+|(% style="width:510px" %)(((
357	357	**AT+DATACUTx=a,b,c**
358	358
359	359	* **a: length for the return of AT+COMMAND**
...	...	@@ -363,25 +363,30 @@
363	363
364	364	**Examples:**
365	365
366		-* Grab bytes:
367	367
368		-[[image:image-20220602153621-1.png]]
	459	+* (% style="color:#037691" %)**Grab bytes**
369	369
	461	+(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
370	370
371		-* Grab a section.
372	372
373		-[[image:image-20220602153621-2.png]]
374	374
	465	+* (% style="color:#037691" %)**Grab a section**
375	375
376		-* Grab different sections.
	467	+(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
377	377
378		-[[image:image-20220602153621-3.png]]
379	379
	470	+
	471	+* (% style="color:#037691" %)**Grab different sections**
	472	+
	473	+(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	474	+
	475	+
380	380
381	381	)))
382	382
383	383	=== 3.3.4 Compose the uplink payload ===
384	384
	481	+
385	385	(((
386	386	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.**
387	387
...	...	@@ -399,18 +399,16 @@
399	399	)))
400	400
401	401	(((
402		-Final Payload is
	499	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
403	403	)))
404	404
405	405	(((
406		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
407		-)))
408		-
409		-(((
410	410	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	504	+
	505	+
411	411	)))
412	412
413		-[[image:1653269759169-150.png||height="513" width="716"]]
	508	+(% 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" %)​
414	414
415	415
416	416	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -418,17 +418,15 @@
418	418
419	419	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
420	420
421		-Final Payload is
	516	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
422	422
423		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
424	424
425		-
426	426	1. PAYVER: Defined by AT+PAYVER
427	427	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
428	428	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
429	429	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
430	430
431		-[[image:image-20220602155039-4.png]]
	524	+(% 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" %)​
432	432
433	433
434	434	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -440,8 +440,9 @@
440	440	DATA3=the rest of Valid value of RETURN10= **30**
441	441
442	442
443		-(% 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:
	536	+(% 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:**
444	444
	538	+
445	445	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
446	446
447	447	* For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
...	...	@@ -450,595 +450,1175 @@
450	450
451	451	~* For all other bands: max 51 bytes for each uplink.
452	452
	547	+(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
453	453
	549	+(% 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)**
	550	+
	551	+
	552	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
	553	+
	554	+1 )  When (% style="color:blue" %)**AT+MOD=1**(%%), 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**.
	555	+
	556	+
	557	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
	558	+
	559	+
	560	+
	561	+2 )  When (% style="color:blue" %)**AT+MOD=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 00s**.
	562	+
	563	+
	564	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
	565	+
	566	+
	567	+
454	454	Below are the uplink payloads:
455	455
456		-[[image:1654157178836-407.png]]
457	457
	571	+(% 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" %)​
458	458
	573	+
	574	+
459	459	=== 3.3.5 Uplink on demand ===
460	460
	577	+
461	461	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.
462	462
463		-Downlink control command:
	580	+(% style="color:blue" %)**Downlink control command:**
464	464
465		-**0x08 command**: Poll an uplink with current command set in RS485-LN.
	582	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
466	466
467		-**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
	584	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
468	468
469	469
470	470
471	471	=== 3.3.6 Uplink on Interrupt ===
472	472
	590	+
473	473	RS485-LN support external Interrupt uplink since hardware v1.2 release.
474	474
475		-[[image:1654157342174-798.png]]
476	476
	594	+(% 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" %)​
	595	+
477	477	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.
478	478
479	479
	599	+
480	480	== 3.4 Uplink Payload ==
481	481
482		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
483		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
484		-|Value|(% style="width:120px" %)(((
485		-Battery(mV)
486	486
487		-&
	603	+(% 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"]]
488	488
489		-Interrupt _Flag
490		-)))|(% style="width:116px" %)(((
491		-PAYLOAD_VER
	605	+(% title="Click and drag to resize" %)​
492	492
493		-
494		-)))|(% 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.
495		-
496	496	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
497	497
498	498
499		-== 3.5 Configure RS485-BL via AT or Downlink ==
500	500
	611	+== 3.5 Configure RS485-LN via AT or Downlink ==
	612	+
	613	+
	614	+(((
501	501	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	616	+)))
502	502
	618	+(((
503	503	There are two kinds of Commands:
	620	+)))
504	504
505		-* (% 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]]
	622	+* (((
	623	+(% 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]]
	624	+)))
506	506
507		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	626	+* (((
	627	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	628	+)))
508	508
	630	+(((
	631	+
	632	+)))
	633	+
	634	+
	635	+
509	509	=== 3.5.1 Common Commands ===
510	510
	638	+
511	511	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]]
512	512
513	513
514		-=== 3.5.2 Sensor related commands ===
515	515
	643	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	644	+
	645	+
516	516	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.
517	517
518		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
519	519
	649	+(% 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"]]
	650	+
	651	+(% title="Click and drag to resize" %)​
	652	+
520	520	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)
521	521
522	522
	656	+
523	523	=== 3.5.3 Sensor related commands ===
524	524
525	525
526	526
527		-==== **RS485 Debug Command** ====
528	528
529		-This command is used to configure the RS485 devices; they won’t be used during sampling.
	662	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
530	530
531		-* **AT Command**
532	532
533		-(% class="box infomessage" %)
534	534	(((
535		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	666	+This command is used to configure the RS485 devices; they won't be used during sampling.
536	536	)))
537	537
538		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	669	+(((
	670	+* (% style="color:#037691" %)**AT Command**
539	539
540		-* **Downlink Payload**
	672	+(((
	673	+(% 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
	674	+)))
	675	+)))
541	541
542		-Format: A8 MM NN XX XX XX XX YY
	677	+(((
	678	+
	679	+)))
543	543
	681	+* (((
	682	+(% style="color:#037691" %)**Downlink Payload**
	683	+)))
	684	+
	685	+(((
	686	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	687	+)))
	688	+
	689	+(((
544	544	Where:
	691	+)))
545	545
546		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547		-* NN: The length of RS485 command
548		-* XX XX XX XX: RS485 command total NN bytes
549		-* YY: How many bytes will be uplink from the return of this RS485 command,
550		-** if YY=0, RS485-LN will execute the downlink command without uplink;
551		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
552		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	693	+* (((
	694	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	695	+)))
	696	+* (((
	697	+NN: The length of RS485 command
	698	+)))
	699	+* (((
	700	+XX XX XX XX: RS485 command total NN bytes
	701	+)))
	702	+* (((
	703	+(((
	704	+YY: How many bytes will be uplink from the return of this RS485 command,
	705	+)))
553	553
554		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	707	+* (((
	708	+if YY=0, RS485-LN will execute the downlink command without uplink;
	709	+)))
	710	+* (((
	711	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	712	+)))
	713	+* (((
	714	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	715	+)))
	716	+)))
555	555
	718	+(((
	719	+
	720	+
	721	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	722	+)))
	723	+
	724	+(((
556	556	To connect a Modbus Alarm with below commands.
	726	+)))
557	557
558		-* 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.
	728	+* (((
	729	+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.
	730	+)))
559	559
560		-* 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.
	732	+* (((
	733	+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.
	734	+)))
561	561
	736	+(((
	737	+
	738	+
562	562	So if user want to use downlink command to control to RS485 Alarm, he can use:
	740	+)))
563	563
	742	+(((
564	564	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	744	+)))
565	565
	746	+(((
566	566	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	748	+)))
567	567
	750	+(((
568	568	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.
	752	+)))
569	569
	754	+(((
	755	+
	756	+)))
570	570
571		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	758	+(((
	759	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	760	+)))
572	572
	762	+(((
573	573	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	764	+)))
574	574
	766	+(((
	767	+
	768	+)))
575	575
576		-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:
	770	+(((
	771	+(((
	772	+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**
	773	+)))
577	577
578		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	775	+
	776	+)))
579	579
580		- [[image:1654159460680-153.png]]
	778	+(((
	779	+ (% 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" %)​
	780	+)))
581	581
582	582
583	583
584		-==== **Set Payload version** ====
585	585
586		-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.
	785	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
587	587
588		-* **AT Command:**
589	589
590		-(% class="box infomessage" %)
591	591	(((
592		-**AT+PAYVER: Set PAYVER field = 1**
	789	+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.
593	593	)))
594	594
595		-* **Downlink Payload:**
	792	+(((
	793	+* (% style="color:#037691" %)**AT Command:**
596	596
597		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	795	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
598	598
599		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	797	+
	798	+)))
600	600
	800	+* (((
	801	+(% style="color:#037691" %)**Downlink Payload:**
	802	+)))
601	601
	804	+(((
	805	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	806	+)))
602	602
603		-==== **Set RS485 Sampling Commands** ====
	808	+(((
	809	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	810	+)))
604	604
605		-AT+COMMANDx or AT+DATACUTx
606	606
607		-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"]].
	813	+1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)
608	608
	815	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
609	609
610		-* **AT Command:**
611	611
612		-(% class="box infomessage" %)
	818	+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.
	819	+
	820	+
	821	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
	822	+
	823	+
	824	+
	825	+
	826	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	827	+
	828	+
613	613	(((
614		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	830	+AT+COMMANDx or AT+DATACUTx
615	615	)))
616	616
617		-(% class="box infomessage" %)
618	618	(((
619		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	834	+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"]].
620	620	)))
621	621
	837	+(((
	838	+
	839	+)))
622	622
623		-* **Downlink Payload:**
	841	+* (((
	842	+(% style="color:#037691" %)**AT Command:**
	843	+)))
624	624
625		-**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	845	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
626	626
627		-(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	847	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
628	628
629		-Format: AF MM NN LL XX XX XX XX YY
630	630
	850	+* (((
	851	+(% style="color:#037691" %)**Downlink Payload:**
	852	+)))
	853	+
	854	+(((
	855	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	856	+
	857	+
	858	+)))
	859	+
	860	+(((
	861	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
	862	+
	863	+
	864	+)))
	865	+
	866	+(((
	867	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	868	+)))
	869	+
	870	+(((
631	631	Where:
	872	+)))
632	632
633		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
634		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
635		-* LL:  The length of AT+COMMAND or AT+DATACUT command
636		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
637		-* 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.
	874	+* (((
	875	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	876	+)))
	877	+* (((
	878	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	879	+)))
	880	+* (((
	881	+LL:  The length of AT+COMMAND or AT+DATACUT command
	882	+)))
	883	+* (((
	884	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	885	+)))
	886	+* (((
	887	+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.
	888	+)))
638	638
	890	+(((
	891	+
	892	+
639	639	**Example:**
	894	+)))
640	640
	896	+(((
641	641	(% 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
	898	+)))
642	642
	900	+(((
643	643	(% 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**
	902	+)))
644	644
	904	+(((
645	645	(% 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**
	906	+)))
646	646
647	647
648	648
649		-==== **Fast command to handle MODBUS device** ====
650	650
651		-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]].
	911	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
652	652
	913	+
	914	+(((
	915	+(% 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]].
	916	+)))
	917	+
	918	+(((
653	653	This command is valid since v1.3 firmware version
	920	+)))
654	654
	922	+(((
655	655	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.
	924	+)))
656	656
	926	+(((
	927	+
	928	+)))
657	657
	930	+(((
658	658	**Example:**
	932	+)))
659	659
660		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
661		-* 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.
662		-* 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.
	934	+* (((
	935	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	936	+)))
	937	+* (((
	938	+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.
	939	+)))
	940	+* (((
	941	+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.
663	663
664		-[[image:image-20220602165351-6.png]]
	943	+
	944	+)))
665	665
666		-[[image:image-20220602165351-7.png]]
	946	+(% 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" %)​
667	667
	948	+(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
668	668
669	669
670		-==== **RS485 command timeout** ====
671	671
	952	+
	953	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	954	+
	955	+
	956	+(((
672	672	Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
	958	+)))
673	673
	960	+(((
674	674	Default value: 0, range:  0 ~~ 65 seconds
	962	+)))
675	675
676		-* **AT Command:**
677		-
678		-(% class="box infomessage" %)
679	679	(((
680		-**AT+CMDDLaa=hex(bb cc)*1000**
	965	+* (% style="color:#037691" %)** AT Command:**
	966	+
	967	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
681	681	)))
682	682
	970	+(((
	971	+
	972	+
683	683	**Example:**
	974	+)))
684	684
685		-**AT+CMDDL1=1000** to send the open time to 1000ms
	976	+(((
	977	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	978	+)))
686	686
	980	+(((
	981	+
	982	+)))
687	687
688		-* **Downlink Payload:**
	984	+* (((
	985	+(% style="color:#037691" %)** Downlink Payload:**
	986	+)))
689	689
690		-**0x AA aa bb cc**
	988	+(((
	989	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
	990	+)))
691	691
692		-Same as: AT+CMDDLaa=hex(bb cc)*1000
	992	+(((
	993	+
693	693
694		- **Example:**
	995	+**Example:**
	996	+)))
695	695
696		- 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	998	+(((
	999	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1000	+)))
697	697
698	698
699	699
700		-==== **Uplink payload mode** ====
701	701
	1005	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
	1006	+
	1007	+
	1008	+(((
702	702	Define to use one uplink or multiple uplinks for the sampling.
	1010	+)))
703	703
	1012	+(((
704	704	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
705	705
706		-* **AT Command:**
	1015	+
	1016	+)))
707	707
708		-(% class="box infomessage" %)
709	709	(((
710		-**AT+DATAUP=0**
	1019	+* (% style="color:#037691" %)** AT Command:**
	1020	+
	1021	+(% style="color:#4472c4" %)** AT+DATAUP=0**
	1022	+
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1**
	1024	+
	1025	+
711	711	)))
712	712
713		-(% class="box infomessage" %)
714		-(((
715		-**AT+DATAUP=1**
	1028	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1029	+
	1030	+Each uplink is sent to the server at 20-second intervals when segmented.
	1031	+
	1032	+
	1033	+* (((
	1034	+(% style="color:#037691" %)** Downlink Payload:**
716	716	)))
717	717
	1037	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
718	718
719		-* **Downlink Payload:**
	1039	+(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
720	720
721		-**0xAD 00**  **~-~->** Same as AT+DATAUP=0
722	722
723		-**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	1042	+* (((
	1043	+(% style="color:#037691" %)** AT Command:**
	1044	+)))
724	724
	1046	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
725	725
726	726
727		-==== **Manually trigger an Uplink** ====
	1049	+* (((
	1050	+(% style="color:#037691" %)** Downlink Payload:**
	1051	+)))
728	728
	1053	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1054	+
	1055	+Each uplink is sent to the server at 20-second intervals when segmented.
	1056	+
	1057	+
	1058	+
	1059	+
	1060	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1061	+
	1062	+
	1063	+(((
729	729	Ask device to send an uplink immediately.
	1065	+)))
730	730
731		-* **AT Command:**
	1067	+* (((
	1068	+(% style="color:#037691" %)** AT Command:**
	1069	+)))
732	732
	1071	+(((
733	733	No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1073	+)))
734	734
	1075	+(((
	1076	+
	1077	+)))
735	735
736		-* **Downlink Payload:**
	1079	+* (((
	1080	+(% style="color:#037691" %)** Downlink Payload:**
	1081	+)))
737	737
738		-**0x08 FF**, RS485-LN will immediately send an uplink.
	1083	+(((
	1084	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1085	+)))
739	739
740	740
741	741
742		-==== **Clear RS485 Command** ====
743	743
	1090	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1091	+
	1092	+
	1093	+(((
744	744	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
745	745
746		-* **AT Command:**
	1096	+
	1097	+)))
747	747
748		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1099	+* (((
	1100	+(% style="color:#037691" %)** AT Command:**
	1101	+)))
749	749
	1103	+(((
	1104	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1105	+)))
	1106	+
	1107	+(((
	1108	+
	1109	+
750	750	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1111	+)))
751	751
	1113	+(((
752	752	Example screen shot after clear all RS485 commands.
	1115	+)))
753	753
	1117	+(((
	1118	+
	1119	+)))
754	754
	1121	+(((
755	755	The uplink screen shot is:
	1123	+)))
756	756
757		-[[image:1654160691922-496.png]]
	1125	+(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
758	758
759	759
760		-* **Downlink Payload:**
	1128	+* (((
	1129	+(% style="color:#037691" %)** Downlink Payload:**
	1130	+)))
761	761
762		-**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1132	+(((
	1133	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1134	+)))
763	763
764	764
765	765
766		-==== **Set Serial Communication Parameters** ====
767	767
	1139	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1140	+
	1141	+
	1142	+(((
768	768	Set the Rs485 serial communication parameters:
769	769
770		-* **AT Command:**
	1145	+
	1146	+)))
771	771
772		-Set Baud Rate:
	1148	+* (((
	1149	+(% style="color:#037691" %)** AT Command:**
773	773
774		-(% class="box infomessage" %)
	1151	+
	1152	+
	1153	+)))
	1154	+
775	775	(((
776		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1156	+* Set Baud Rate
777	777	)))
778	778
779		-Set UART Parity
	1159	+(% 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
780	780
781		-(% class="box infomessage" %)
	1161	+
782	782	(((
783		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1163	+* Set UART Parity
784	784	)))
785	785
786		-Set STOPBIT
	1166	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
787	787
788		-(% class="box infomessage" %)
	1168	+
789	789	(((
790		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1170	+* Set STOPBIT
791	791	)))
792	792
	1173	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
793	793
794		-* **Downlink Payload:**
795	795
796		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
797	797
	1177	+* (((
	1178	+(% style="color:#037691" %)** Downlink Payload:**
	1179	+)))
	1180	+
	1181	+(((
	1182	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1183	+)))
	1184	+
	1185	+(((
	1186	+
	1187	+
798	798	**Example:**
	1189	+)))
799	799
800		-* A7 01 00 60   same as AT+BAUDR=9600
801		-* A7 01 04 80  same as AT+BAUDR=115200
	1191	+* (((
	1192	+A7 01 00 60  same as AT+BAUDR=9600
	1193	+)))
	1194	+* (((
	1195	+A7 01 04 80  same as AT+BAUDR=115200
	1196	+)))
802	802
803		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1198	+(((
	1199	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1200	+)))
804	804
805		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1202	+(((
	1203	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1204	+)))
806	806
807	807
	1207	+
	1208	+
	1209	+
	1210	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	1211	+
	1212	+(((
	1213	+
	1214	+)))
	1215	+
	1216	+* (((
	1217	+(% style="color:#037691" %)** AT Command:**
	1218	+)))
	1219	+
	1220	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
	1221	+
	1222	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
	1223	+
	1224	+
	1225	+
	1226	+
	1227	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
	1228	+
	1229	+
	1230	+* (((
	1231	+(% style="color:#037691" %)** AT Command:**
	1232	+)))
	1233	+
	1234	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
	1235	+
	1236	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
	1237	+
	1238	+
	1239	+
	1240	+
	1241	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	1242	+
	1243	+
	1244	+* (((
	1245	+(% style="color:#037691" %)** AT Command:**
	1246	+)))
	1247	+
	1248	+(% 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)
	1249	+
	1250	+(% 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.
	1251	+
	1252	+
	1253	+
	1254	+
	1255	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	1256	+
	1257	+
	1258	+* (((
	1259	+(% style="color:#037691" %)** AT Command:**
	1260	+)))
	1261	+
	1262	+ (% 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)
	1263	+
	1264	+ (% 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.
	1265	+
	1266	+
	1267	+* (((
	1268	+(% style="color:#037691" %)** Downlink Payload:**
	1269	+)))
	1270	+
	1271	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1272	+
	1273	+
	1274	+
	1275	+
	1276	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1277	+
	1278	+
	1279	+* (((
	1280	+(% style="color:#037691" %)** AT Command:**
	1281	+)))
	1282	+
	1283	+(% 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.
	1284	+
	1285	+
	1286	+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.
	1287	+
	1288	+
	1289	+[[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"]]
	1290	+
	1291	+
	1292	+
	1293	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1294	+
	1295	+
	1296	+[[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"]]
	1297	+
	1298	+
	1299	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1300	+
	1301	+
	1302	+
	1303	+
	1304	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1305	+
	1306	+
	1307	+(((
	1308	+* (% style="color:#037691" %)**Downlink Payload:**
	1309	+
	1310	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1311	+)))
	1312	+
	1313	+
	1314	+Example：
	1315	+
	1316	+
	1317	+[[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"]]
	1318	+
	1319	+
	1320	+
	1321	+
	1322	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	1323	+
	1324	+
	1325	+* (((
	1326	+(% style="color:#037691" %)** AT Command:**
	1327	+)))
	1328	+
	1329	+(% 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.
	1330	+
	1331	+(% 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.
	1332	+
	1333	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
	1334	+
	1335	+
	1336	+* (((
	1337	+(% style="color:#037691" %)**Downlink Payload:**
	1338	+)))
	1339	+
	1340	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
	1341	+
	1342	+[[image:image-20220824144240-1.png]]
	1343	+
	1344	+
	1345	+
808	808	== 3.6 Listening mode for RS485 network ==
809	809
	1348	+
	1349	+(((
810	810	This feature support since firmware v1.4
	1351	+)))
811	811
	1353	+(((
812	812	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.
813	813
814		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	1356	+
	1357	+)))
815	815
816		-To enable the listening mode, use can run the command AT+RXMODE.
	1359	+(% 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"]]
817	817
	1361	+(% title="Click and drag to resize" %)​
818	818
819		-(% border="1" style="background-color:#ffffcc; width:500px" %)
820		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
821		-|(% 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.
822		-|(% 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
823		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
824		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1363	+(((
	1364	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1365	+)))
825	825
826		-**Downlink Command:**
	1367	+(((
	1368	+
	1369	+)))
827	827
828		-**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1371	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1372	+|=(% style="width: 100px;" %)(((
	1373	+**Command example**
	1374	+)))|=(% style="width: 400px;" %)(((
	1375	+**Function**
	1376	+)))
	1377	+|(% style="width:100px" %)(((
	1378	+AT+RXMODE=1,10
	1379	+)))|(% style="width:400px" %)(((
	1380	+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.
	1381	+)))
	1382	+|(% style="width:100px" %)(((
	1383	+AT+RXMODE=2,500
	1384	+)))|(% style="width:400px" %)(((
	1385	+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
	1386	+)))
	1387	+|(% style="width:100px" %)(((
	1388	+AT+RXMODE=0,0
	1389	+)))|(% style="width:400px" %)(((
	1390	+Disable listening mode. This is the default settings.
	1391	+)))
	1392	+|(% style="width:100px" %)(((
	1393	+
	1394	+)))|(% style="width:400px" %)(((
	1395	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1396	+)))
829	829
	1398	+(((
	1399	+
830	830
	1401	+(% style="color:#037691" %)**Downlink Command:**
	1402	+)))
	1403	+
	1404	+(((
	1405	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1406	+)))
	1407	+
	1408	+(((
	1409	+
	1410	+)))
	1411	+
	1412	+(((
831	831	**Example**:
	1414	+)))
832	832
	1416	+(((
833	833	The RS485-LN is set to AT+RXMODE=2,1000
	1418	+)))
834	834
	1420	+(((
835	835	There is a two Modbus commands in the RS485 network as below:
	1422	+)))
836	836
	1424	+(((
837	837	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1426	+)))
838	838
	1428	+(((
839	839	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1430	+)))
840	840
	1432	+(((
841	841	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
	1434	+)))
842	842
843		-[[image:image-20220602171200-9.png]]
	1436	+(((
	1437	+(% 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" %)​
	1438	+)))
844	844
	1440	+(((
	1441	+
	1442	+)))
845	845
846		-(% 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.
	1444	+(((
	1445	+(((
	1446	+(% 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.**
	1447	+)))
	1448	+)))
847	847
848	848
	1451	+
849	849	== 3.7 Buttons ==
850	850
851	851
852		-(% border="1" style="background-color:#f7faff; width:500px" %)
853		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
854		-|**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**
855		-|**RST**|(% style="width:1420px" %)Reboot RS485
856		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1455	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1456	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1457	+|(% 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**
	1458	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1459	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
857	857
858	858
	1462	+
859	859	== 3.8 LEDs ==
860	860
861		-(% border="1" style="background-color:#f7faff; width:500px" %)
862		-|=**LEDs**|=**Feature**
	1465	+
	1466	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1467	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
863	863	|**PWR**|Always on if there is power
864		-|**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.
	1469	+|**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.
865	865
866	866
	1472	+
867	867	= 4. Case Study =
868	868
	1475	+
869	869	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]]
870	870
871	871
	1479	+
872	872	= 5. Use AT Command =
873	873
	1482	+
874	874	== 5.1 Access AT Command ==
875	875
876		-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.
877	877
878		-[[image:1654162355560-817.png]]
	1486	+(((
	1487	+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.
879	879
	1489	+
	1490	+)))
880	880
881		-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:
	1492	+(% 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" %)​
882	882
883		-[[image:1654162368066-342.png]]
884	884
885	885
	1496	+(((
	1497	+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:
	1498	+
	1499	+
	1500	+)))
	1501	+
	1502	+(% 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" %)​
	1503	+
	1504	+
	1505	+(((
886	886	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/]]
	1507	+)))
887	887
888	888
	1510	+
889	889	== 5.2 Common AT Command Sequence ==
890	890
	1513	+
891	891	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
892	892
	1516	+
893	893	If device has not joined network yet:
894	894
895		-(% class="box infomessage" %)
896		-(((
897		-**AT+FDR**
898		-)))
	1519	+* (% style="color:#037691" %)**AT+FDR**
	1520	+* (% style="color:#037691" %)**AT+NJM=0**
	1521	+* (% style="color:#037691" %)**ATZ**
899	899
900		-(% class="box infomessage" %)
901	901	(((
902		-**AT+NJM=0**
903		-)))
	1524	+
904	904
905		-(% class="box infomessage" %)
906		-(((
907		-**ATZ**
908		-)))
909		-
910		-
911	911	If device already joined network:
912	912
913		-(% class="box infomessage" %)
914		-(((
915		-**AT+NJM=0**
916		-)))
	1528	+* (% style="color:#037691" %)**AT+NJM=0**
	1529	+* (% style="color:#037691" %)**ATZ**
917	917
918		-(% class="box infomessage" %)
919		-(((
920		-**ATZ**
	1531	+
921	921	)))
922	922
923	923
	1535	+
924	924	=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
925	925
926	926
927		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1539	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
928	928
929		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
	1541	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
930	930
931		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
	1543	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
932	932
933		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
	1545	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
934	934
935		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1547	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
936	936
937		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
	1549	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
938	938
939		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1551	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
940	940
941		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1553	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
942	942
943		-(% 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.
	1555	+(% 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.
944	944
945		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1557	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
946	946
947	947
948	948	(% style="color:red" %)**Note:**
949	949
	1562	+(((
950	950	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
951	951	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
952	952	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.
953	953	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
954	954
955		-[[image:1654162478620-421.png]]
	1568	+
	1569	+)))
956	956
	1571	+(% 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" %)​
957	957
	1573	+
	1574	+
958	958	= 6. FAQ =
959	959
	1577	+
960	960	== 6.1 How to upgrade the image? ==
961	961
	1580	+
	1581	+(((
962	962	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1583	+)))
963	963
964		-* Support new features
965		-* For bug fix
966		-* Change LoRaWAN bands.
	1585	+* (((
	1586	+Support new features
	1587	+)))
	1588	+* (((
	1589	+For bug fix
	1590	+)))
	1591	+* (((
	1592	+Change LoRaWAN bands.
	1593	+)))
967	967
	1595	+(((
968	968	Below shows the hardware connection for how to upload an image to RS485-LN:
	1597	+)))
969	969
970		-[[image:1654162535040-878.png]]
	1599	+(% 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"]]
971	971
972		-**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]].
	1601	+(% title="Click and drag to resize" %)​
973	973
974		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1603	+(((
	1604	+(% 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]].
975	975
976		-**Step3: **Open flashloader; choose the correct COM port to update.
	1606	+
	1607	+)))
977	977
978	978	(((
	1610	+(% 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]].
	1611	+
	1612	+
	1613	+)))
	1614	+
	1615	+(((
	1616	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1617	+
	1618	+
	1619	+)))
	1620	+
	1621	+(((
	1622	+(((
	1623	+(((
979	979	(% 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.
980	980	)))
	1626	+)))
	1627	+)))
981	981
982	982
983		-[[image:image-20220602175818-12.png]]
	1630	+(% 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" %)​
984	984
985	985
986		-[[image:image-20220602175848-13.png]]
	1633	+(% 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" %)​
987	987
988	988
989		-[[image:image-20220602175912-14.png]]
	1636	+(% 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" %)​
990	990
991	991
992		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1639	+(% 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:**
993	993
994		-[[image:image-20220602175638-10.png]]
	1641	+(% 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" %)​
995	995
996	996
	1644	+
997	997	== 6.2 How to change the LoRa Frequency Bands/Region? ==
998	998
	1647	+
999	999	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1000	1000
1001	1001
1002		-== 6.3 How many RS485-Slave can RS485-BL connects? ==
1003	1003
1004		-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"]].
	1652	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1005	1005
1006	1006
	1655	+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"]].
	1656	+
	1657	+
	1658	+
1007	1007	== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1008	1008
	1661	+
1009	1009	When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1010	1010
1011	1011	Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1012	1012
1013	1013
	1667	+
	1668	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1669	+
	1670	+
	1671	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1672	+
	1673	+
	1674	+
	1675	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1676	+
	1677	+
	1678	+[[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/]]
	1679	+
	1680	+
	1681	+
1014	1014	= 7. Trouble Shooting =
1015	1015
1016		-== 7.1 Downlink doesn’t work, how to solve it? ==
1017	1017
	1685	+== 7.1 Downlink doesn't work, how to solve it? ==
	1686	+
	1687	+
1018	1018	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1019	1019
1020	1020
1021		-== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1022	1022
	1692	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1693	+
	1694	+
1023	1023	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1024	1024
1025	1025
	1698	+
1026	1026	= 8. Order Info =
1027	1027
	1701	+
1028	1028	(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1029	1029
1030	1030	(% style="color:blue" %)**XXX:**
1031	1031
1032		-* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1033		-* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1034		-* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1035		-* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1036		-* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1037		-* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1038		-* (% style="color:blue" %)**US915**(%%): frequency bands US915
1039		-* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1040		-* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1041		-* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
	1706	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1707	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1708	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1709	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1710	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1711	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1712	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1713	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1714	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1715	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1042	1042
1043	1043
1044	1044
...	...	@@ -1058,32 +1058,70 @@
1058	1058	* Package Size / pcs : 14.5 x 8 x 5 cm
1059	1059	* Weight / pcs : 170g
1060	1060
	1735	+
	1736	+
1061	1061	= 10. FCC Caution for RS485LN-US915 =
1062	1062
	1739	+
	1740	+(((
1063	1063	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1742	+)))
1064	1064
	1744	+(((
1065	1065	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.
	1746	+)))
1066	1066
	1748	+(((
	1749	+
	1750	+)))
1067	1067
1068		-**IMPORTANT NOTE:**
	1752	+(((
	1753	+(% style="color:red" %)**IMPORTANT NOTE:**
	1754	+)))
1069	1069
1070		-**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:
	1756	+(((
	1757	+(% 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:
	1758	+)))
1071	1071
	1760	+(((
1072	1072	—Reorient or relocate the receiving antenna.
	1762	+)))
1073	1073
	1764	+(((
1074	1074	—Increase the separation between the equipment and receiver.
	1766	+)))
1075	1075
	1768	+(((
1076	1076	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1770	+)))
1077	1077
	1772	+(((
1078	1078	—Consult the dealer or an experienced radio/TV technician for help.
	1774	+)))
1079	1079
	1776	+(((
	1777	+
	1778	+)))
1080	1080
1081		-**FCC Radiation Exposure Statement:**
	1780	+(((
	1781	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1782	+)))
1082	1082
	1784	+(((
1083	1083	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.
	1786	+)))
1084	1084
1085	1085
	1789	+
1086	1086	= 11. Support =
1087	1087
1088		-* 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.
1089		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1792	+
	1793	+* (((
	1794	+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.
	1795	+)))
	1796	+* (((
	1797	+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]].
	1798	+
	1799	+
	1800	+
	1801	+)))