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

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Details

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.ting

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
	7	+)))
4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
	13	+
	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
11	11
12	12
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	22	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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13	13
14	14
15		-= 1.Introduction =
16	16
	27	+
	28	+
	29	+
	30	+
	31	+= 1. Introduction =
	32	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18	18
	35	+
19	19	(((
20		-(((
21	21	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
23	23
24	24	(((
25		-RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	41	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
26	26	)))
27	27
28	28	(((
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31	31
32	32	(((
33	33	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
	50	+)))
34	34
	52	+(((
35	35	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
36	36	)))
37		-)))
38	38
39		-[[image:1653267211009-519.png||height="419" width="724"]]
40	40
	57	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
41	41
	59	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
46	46
47		-* STM32L072CZT6 MCU
	65	+* STM32L072xxxx MCU
48	48	* SX1276/78 Wireless Chip
49	49	* Power Consumption (exclude RS485 device):
50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
	71	+(% style="color:#037691" %)**Interface for Model:**
54	54
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
	76	+(% style="color:#037691" %)**LoRa Spec:**
59	59
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -74,12 +74,13 @@
74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	95	+* Packet engine up to 256 bytes with CRC
78	78
79	79	== 1.3 Features ==
80	80
	99	+
81	81	* LoRaWAN Class A & Class C protocol (default Class C)
82		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	101	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
83	83	* AT Commands to change parameters
84	84	* Remote configure parameters via LoRa Downlink
85	85	* Firmware upgradable via program port
...	...	@@ -89,6 +89,7 @@
89	89
90	90	== 1.4 Applications ==
91	91
	111	+
92	92	* Smart Buildings & Home Automation
93	93	* Logistics and Supply Chain Management
94	94	* Smart Metering
...	...	@@ -98,23 +98,31 @@
98	98
99	99	== 1.5 Firmware Change log ==
100	100
	121	+
101	101	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
102	102
103	103
104	104	== 1.6 Hardware Change log ==
105	105
	127	+
106	106	(((
107	107	(((
	130	+(((
108	108	v1.2: Add External Interrupt Pin.
	132	+)))
109	109
	134	+(((
110	110	v1.0: Release
	136	+)))
111	111
112		-
	138	+
	139	+== 1.7 Pin definition ==
113	113	)))
114	114	)))
115	115
116	116	= 2. Power ON Device =
117	117
	145	+
118	118	(((
119	119	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
120	120
...	...	@@ -125,7 +125,7 @@
125	125	Once there is power, the RS485-LN will be on.
126	126	)))
127	127
128		-[[image:1653268091319-405.png]]
	156	+(% 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" %)​
129	129
130	130
131	131	)))
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134	134
135	135	== 3.1 How it works? ==
136	136
	165	+
137	137	(((
	167	+(((
138	138	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.
	169	+)))
139	139
140	140
141	141	)))
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142	142
143	143	== 3.2 Example to join LoRaWAN network ==
144	144
	176	+
145	145	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.
146	146
147		-[[image:1653268155545-638.png||height="334" width="724"]]
148	148
	180	+(% 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" %)​
149	149
	182	+
150	150	(((
151	151	(((
152	152	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:
...	...	@@ -154,16 +154,21 @@
154	154
155	155	(((
156	156	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	190	+
	191	+
157	157	)))
158	158
159		-[[image:1653268227651-549.png||height="592" width="720"]]
	194	+(% 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" %)​
160	160
	196	+
161	161	(((
162		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	198	+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:
	199	+
	200	+
163	163	)))
164	164
165	165	(((
166		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	204	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
167	167	)))
168	168
169	169	(((
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171	171	)))
172	172	)))
173	173
174		-[[image:1652953462722-299.png]]
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175	175
	214	+
176	176	(((
177	177	(((
178	178	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	218	+
	219	+
179	179	)))
180	180
181	181	(((
182		-Add APP EUI in the application.
	223	+**Add APP EUI in the application.**
183	183	)))
184	184	)))
185	185
186		-[[image:image-20220519174512-1.png]]
	227	+(% 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" %)​
187	187
188		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	229	+(% 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" %)​
189	189
190		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	231	+(% 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" %)​
191	191
192		-[[image:image-20220519174512-4.png]]
	233	+(% 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"]]
193	193
	235	+
	236	+(% title="Click and drag to resize" %)​
	237	+
194	194	You can also choose to create the device manually.
195	195
196		-[[image:1652953542269-423.png||height="710" width="723"]]
	240	+(% 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" %)​
197	197
198		-Add APP KEY and DEV EUI
199	199
200		-[[image:1652953553383-907.png||height="514" width="724"]]
201	201
	244	+**Add APP KEY and DEV EUI**
202	202
	246	+(% 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" %)​
	247	+
	248	+
203	203	(((
204		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	250	+(% 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.
	251	+
	252	+
205	205	)))
206	206
207		-[[image:1652953568895-172.png||height="232" width="724"]]
	255	+(% 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" %)​
208	208
209	209
210		-== 3.3 Configure Commands to read data ==
	258	+== 3.3 Configure Device to Read RS485 Sensors ==
211	211
	260	+
	261	+There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
	262	+
	263	+
212	212	(((
213	213	(((
214		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	266	+(((
	267	+(% 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**
215	215	)))
216	216
217		-(((
218		-(% 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
219	219
220		-
	271	+=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
	272	+
	273	+
	274	+Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
	275	+
	276	+* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
	277	+
	278	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
	279	+
	280	+
	281	+=== 3.3.2  Method 2 ~-~- via AT Commands ===
221	221	)))
222	222	)))
223	223
224		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	285	+==== 3.3.2.1 Configure UART settings for RS485 communication ====
225	225
226		-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:
227	227
228		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229		-|(% style="width:128px" %)(((
	288	+To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
	289	+
	290	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	291	+|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
230	230	**AT Commands**
231		-)))|(% style="width:305px" %)(((
	293	+)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
232	232	**Description**
233		-)))|(% style="width:346px" %)(((
	295	+)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
234	234	**Example**
235	235	)))
236		-|(% style="width:128px" %)(((
	298	+|(% style="width:126px" %)(((
	299	+
	300	+
	301	+(((
237	237	AT+BAUDR
238		-)))|(% style="width:305px" %)(((
	303	+)))
	304	+)))|(% style="width:177px" %)(((
239	239	Set the baud rate (for RS485 connection). Default Value is: 9600.
240		-)))|(% style="width:346px" %)(((
	306	+)))|(% style="width:193px" %)(((
241	241	(((
242	242	AT+BAUDR=9600
243	243	)))
244	244
245	245	(((
246		-Options: (1200,2400,4800,14400,19200,115200)
	312	+Options: (1200,2400,4800,
	313	+14400,19200,115200)
247	247	)))
248	248	)))
249		-|(% style="width:128px" %)(((
	316	+|(% style="width:126px" %)(((
250	250	AT+PARITY
251		-)))|(% style="width:305px" %)(((
	318	+)))|(% style="width:177px" %)(((
252	252	Set UART parity (for RS485 connection)
253		-)))|(% style="width:346px" %)(((
	320	+)))|(% style="width:193px" %)(((
254	254	(((
255	255	AT+PARITY=0
256	256	)))
257	257
258	258	(((
259		-Option: 0: no parity, 1: odd parity, 2: even parity
	326	+Option: 0: no parity,
	327	+1: odd parity,
	328	+2: even parity
260	260	)))
261	261	)))
262		-|(% style="width:128px" %)(((
	331	+|(% style="width:126px" %)(((
263	263	AT+STOPBIT
264		-)))|(% style="width:305px" %)(((
	333	+)))|(% style="width:177px" %)(((
265	265	(((
266	266	Set serial stopbit (for RS485 connection)
267	267	)))
268		-
	337	+)))|(% style="width:193px" %)(((
269	269	(((
270		-
271		-)))
272		-)))|(% style="width:346px" %)(((
273		-(((
274	274	AT+STOPBIT=0 for 1bit
275	275	)))
276	276
...	...	@@ -283,26 +283,32 @@
283	283	)))
284	284	)))
285	285
286		-=== 3.3.2 Configure sensors ===
	351	+=== 3.3.3 Configure sensors ===
287	287
	353	+
288	288	(((
289		-(((
290		-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.
	355	+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.
291	291	)))
292		-)))
293	293
294		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296		-|AT+CFGDEV|(% style="width:418px" %)(((
	358	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	359	+|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
	360	+|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
	361	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	363	+)))
298	298
	365	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	367	+)))
300	300
	369	+(((
301	301	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	371	+)))
	372	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
304		-=== 3.3.3 Configure read commands for each sampling ===
	374	+=== 3.3.4 Configure read commands for each sampling ===
305	305
	376	+
306	306	(((
307	307	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.
308	308
...	...	@@ -313,8 +313,9 @@
313	313	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314	314
315	315
316		-**Each RS485 commands include two parts:**
	387	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
	389	+
318	318	~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.
319	319
320	320	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.
...	...	@@ -324,15 +324,14 @@
324	324
325	325	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
326	326
327		-
328	328	Below are examples for the how above AT Commands works.
329	329
330	330
331		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	402	+(% 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:
332	332
333		-(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	404	+(% border="1" style="background-color:#f2f2f2; width:499px" %)
334	334	|(% style="width:496px" %)(((
335		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	406	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
336	336
337	337	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
338	338
...	...	@@ -344,10 +344,24 @@
344	344	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
345	345
346	346
347		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	418	+If a single command exceeds 14 bytes, you can use the command splicing function.
348	348
349		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350		-|(% style="width:722px" %)(((
	420	+When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
	421	+
	422	+
	423	+**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
	424	+
	425	+ AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
	426	+
	427	+ AT+COMMAND1=1
	428	+
	429	+ AT+COMMAND2=0E 0F,0
	430	+
	431	+
	432	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
	433	+
	434	+(% border="1" style="background-color:#f2f2f2; width:510px" %)
	435	+|(% style="width:510px" %)(((
351	351	**AT+DATACUTx=a,b,c**
352	352
353	353	* **a: length for the return of AT+COMMAND**
...	...	@@ -357,25 +357,29 @@
357	357
358	358	**Examples:**
359	359
360		-* Grab bytes:
361	361
362		-[[image:image-20220602153621-1.png]]
	446	+* (% style="color:#037691" %)**Grab bytes**
363	363
	448	+(% 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" %)​
364	364
365		-* Grab a section.
366	366
367		-[[image:image-20220602153621-2.png]]
368	368
	452	+* (% style="color:#037691" %)**Grab a section**
369	369
370		-* Grab different sections.
	454	+(% 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" %)​
371	371
372		-[[image:image-20220602153621-3.png]]
373	373
	457	+
	458	+* (% style="color:#037691" %)**Grab different sections**
	459	+
	460	+(% 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" %)​
	461	+
374	374
375	375	)))
376	376
377		-=== 3.3.4 Compose the uplink payload ===
	465	+=== 3.3.5 Compose the uplink payload ===
378	378
	467	+
379	379	(((
380	380	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.**
381	381
...	...	@@ -393,18 +393,16 @@
393	393	)))
394	394
395	395	(((
396		-Final Payload is
	485	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
397	397	)))
398	398
399	399	(((
400		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
401		-)))
402		-
403		-(((
404	404	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	490	+
	491	+
405	405	)))
406	406
407		-[[image:1653269759169-150.png||height="513" width="716"]]
	494	+[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
408	408
409	409
410	410	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -412,18 +412,21 @@
412	412
413	413	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
414	414
415		-Final Payload is
	502	+Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
416	416
417		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418	418
419		-1. PAYVER: Defined by AT+PAYVER
420		-1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421		-1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422		-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
	505	+~1. PAYVER: Defined by AT+PAYVER
423	423
424		-[[image:image-20220602155039-4.png]]
	507	+2. PAYLOAD COUNT: Total how many uplinks of this sampling.
425	425
	509	+3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
426	426
	511	+4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
	512	+
	513	+
	514	+(% 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" %)​
	515	+
	516	+
427	427	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
428	428
429	429	DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
...	...	@@ -433,8 +433,9 @@
433	433	DATA3=the rest of Valid value of RETURN10= **30**
434	434
435	435
436		-(% 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:
	526	+(% 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:**
437	437
	528	+
438	438	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
439	439
440	440	* For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
...	...	@@ -444,660 +444,1332 @@
444	444	~* For all other bands: max 51 bytes for each uplink.
445	445
446	446
	538	+(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
	539	+
	540	+(% 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)**
	541	+
	542	+
	543	+
447	447	Below are the uplink payloads:
448	448
449		-[[image:1654157178836-407.png]]
450	450
	547	+(% 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" %)​
451	451
452		-=== 3.3.5 Uplink on demand ===
453	453
	550	+=== 3.3.6 Uplink on demand ===
	551	+
	552	+
454	454	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.
455	455
456		-Downlink control command:
	555	+(% style="color:blue" %)**Downlink control command:**
457	457
458		-**0x08 command**: Poll an uplink with current command set in RS485-LN.
	557	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
459	459
460		-**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
	559	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
461	461
462	462
	562	+=== 3.3.7 Uplink on Interrupt ===
463	463
464		-1.
465		-11.
466		-111. Uplink on Interrupt
467	467
468		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	565	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
469	469
470		-AT+INTMOD=0  Disable Interrupt
	567	+(% 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" %)​
471	471
472		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	569	+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.
473	473
474		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
475	475
476		-AT+INTMOD=3  Interrupt trigger by rising edge.
	572	+== 3.4 Uplink Payload ==
477	477
478	478
479		-1.
480		-11. Uplink Payload
	575	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	576	+|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
	577	+**Size(bytes)**
	578	+)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
	579	+**Length depends on the return from the commands**
	580	+)))
	581	+|(% style="width:90px" %)(((
	582	+Value
	583	+)))|(% style="width:114px" %)(((
	584	+PAYLOAD_VER
	585	+)))|(% style="width:353px" %)(((
	586	+If the valid payload is too long and exceed the maximum
481	481
482		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483		-|Value|(((
484		-Battery(mV)
	588	+support payload length in server, server will show payload not
485	485
486		-&
	590	+provided in the LoRaWAN server.
	591	+)))
487	487
488		-Interrupt _Flag
489		-)))|(((
490		-PAYLOAD_VER
	593	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](%%)Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
491	491
	595	+
	596	+== 3.5 Configure RS485-LN via AT or Downlink ==
	597	+
	598	+
	599	+(((
	600	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	601	+)))
	602	+
	603	+(((
	604	+There are two kinds of Commands:
	605	+)))
	606	+
	607	+* (((
	608	+(% 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]]
	609	+)))
	610	+
	611	+* (((
	612	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	613	+)))
	614	+
	615	+(((
492	492
493		-)))|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.
	617	+)))
494	494
495		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
496	496
	620	+=== 3.5.1 Common Commands ===
497	497
498		-function Decoder(bytes, port) {
499	499
500		-~/~/Payload Formats of RS485-BL Deceive
	623	+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]]
501	501
502		-return {
503	503
504		- ~/~/Battery,units:V
	626	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
505	505
506		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
507	507
508		- ~/~/GPIO_EXTI
	629	+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.
509	509
510		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
511	511
512		- ~/~/payload of version
	632	+(% 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"]]
513	513
514		- Pay_ver:bytes[2],
	634	+(% title="Click and drag to resize" %)​
515	515
516		- };
	636	+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)
517	517
518		- }
519	519
	639	+=== 3.5.3 Sensor related commands ===
520	520
521	521
522	522
	643	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
523	523
524	524
	646	+(((
	647	+This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
	648	+)))
525	525
526		-TTN V3 uplink screen shot.
	650	+(((
	651	+* (% style="color:#037691" %)**AT Command**
527	527
528		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	653	+(((
	654	+(% 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
	655	+)))
	656	+)))
529	529
530		-1.
531		-11. Configure RS485-BL via AT or Downlink
	658	+(((
	659	+
	660	+)))
532	532
533		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	662	+* (((
	663	+(% style="color:#037691" %)**Downlink Payload**
	664	+)))
534	534
535		-There are two kinds of Commands:
	666	+(((
	667	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	668	+)))
536	536
537		-* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	670	+(((
	671	+Where:
	672	+)))
538	538
539		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	674	+* (((
	675	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	676	+)))
	677	+* (((
	678	+NN: The length of RS485 command
	679	+)))
	680	+* (((
	681	+XX XX XX XX: RS485 command total NN bytes
	682	+)))
	683	+* (((
	684	+(((
	685	+YY: How many bytes will be uplink from the return of this RS485 command,
	686	+)))
540	540
541		-1.
542		-11.
543		-111. Common Commands:
	688	+* (((
	689	+if YY=0, RS485-LN will execute the downlink command without uplink;
	690	+)))
	691	+* (((
	692	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	693	+)))
	694	+* (((
	695	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	696	+)))
	697	+)))
544	544
545		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
	699	+(((
	700	+
546	546
	702	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	703	+)))
547	547
548		-1.
549		-11.
550		-111. Sensor related commands:
	705	+(((
	706	+To connect a Modbus Alarm with below commands.
	707	+)))
551	551
552		-==== Choose Device Type (RS485 or TTL) ====
	709	+* (((
	710	+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.
	711	+)))
553	553
554		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	713	+* (((
	714	+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.
	715	+)))
555	555
556		-* AT Command
	717	+(((
	718	+
557	557
558		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	720	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	721	+)))
559	559
560		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	723	+(((
	724	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	725	+)))
561	561
	727	+(((
	728	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	729	+)))
562	562
563		-* Downlink Payload
	731	+(((
	732	+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.
	733	+)))
564	564
565		-**0A aa**     à same as AT+MOD=aa
	735	+(((
	736	+
	737	+)))
566	566
	739	+(((
	740	+(% style="color:blue" %)**Example 2:**  (%%)
	741	+)))
567	567
	743	+(((
	744	+Check TTL Sensor return:
	745	+)))
568	568
569		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	747	+(((
	748	+(((
	749	+[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654132684752-193.png?rev=1.1||alt="1654132684752-193.png"]](% title="Click and drag to resize" %)​
	750	+)))
	751	+)))
570	570
571		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
572	572
573		-* AT Command
574	574
575		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	755	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
576	576
577		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
578	578
	758	+(((
	759	+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.
	760	+)))
579	579
	762	+(((
	763	+* (% style="color:#037691" %)**AT Command:**
580	580
581		-* Downlink Payload
	765	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
582	582
583		-Format: A8 MM NN XX XX XX XX YY
	767	+
	768	+)))
584	584
585		-Where:
	770	+* (((
	771	+(% style="color:#037691" %)**Downlink Payload:**
	772	+)))
586	586
587		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
588		-* NN: The length of RS485 command
589		-* XX XX XX XX: RS485 command total NN bytes
590		-* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
	774	+(((
	775	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	776	+)))
591	591
592		-**Example 1:**
	778	+(((
	779	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	780	+)))
593	593
594		-To connect a Modbus Alarm with below commands.
595	595
596		-* 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.
	783	+**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
597	597
598		-* 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.
599	599
600		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	786	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
601	601
602		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
603	603
604		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
605	605
606		-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.
	790	+**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.**
607	607
608	608
609		-**Example 2:**
	793	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
610	610
611		-Check TTL Sensor return:
612	612
613		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
614	614
	797	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
615	615
616	616
	800	+(((
	801	+AT+COMMANDx or AT+DATACUTx
	802	+)))
617	617
618		-==== Set Payload version ====
	804	+(((
	805	+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"]].
	806	+)))
619	619
620		-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.
	808	+(((
	809	+
	810	+)))
621	621
622		-* AT Command:
	812	+* (((
	813	+(% style="color:#037691" %)**AT Command:**
	814	+)))
623	623
624		-AT+PAYVER: Set PAYVER field = 1
	816	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
625	625
	818	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
626	626
627		-* Downlink Payload:
628	628
629		-0xAE 01   à Set PAYVER field =  0x01
	821	+* (((
	822	+(% style="color:#037691" %)**Downlink Payload:**
	823	+)))
630	630
631		-0xAE 0F   à Set PAYVER field =  0x0F
	825	+(((
	826	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
632	632
	828	+
	829	+)))
633	633
634		-==== Set RS485 Sampling Commands ====
	831	+(((
	832	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
635	635
636		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	834	+
	835	+)))
637	637
638		-These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
	837	+(((
	838	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	839	+)))
639	639
	841	+(((
	842	+Where:
	843	+)))
640	640
641		-* AT Command:
	845	+* (((
	846	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	847	+)))
	848	+* (((
	849	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	850	+)))
	851	+* (((
	852	+LL:  The length of AT+COMMAND or AT+DATACUT command
	853	+)))
	854	+* (((
	855	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	856	+)))
	857	+* (((
	858	+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.
	859	+)))
642	642
643		-AT+COMMANDx: Configure RS485 read command to sensor.
	861	+(((
	862	+
644	644
645		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	864	+**Example:**
	865	+)))
646	646
647		-AT+SEARCHx: Configure search command
	867	+(((
	868	+(% 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
	869	+)))
648	648
	871	+(((
	872	+(% 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**
	873	+)))
649	649
650		-* Downlink Payload:
	875	+(((
	876	+(% 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**
	877	+)))
651	651
652		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
653	653
654		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
655	655
656		-Format: AF MM NN LL XX XX XX XX YY
	881	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
657	657
658		-Where:
659	659
660		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
661		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662		-* LL: The length of AT+COMMAND or AT+DATACUT command
663		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
664		-* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
	884	+(((
	885	+(% 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]].
	886	+)))
665	665
666		-Example:
	888	+(((
	889	+This command is valid since v1.3 firmware version
	890	+)))
667	667
668		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	892	+(((
	893	+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.
	894	+)))
669	669
670		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	896	+(((
	897	+
	898	+)))
671	671
672		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	900	+(((
	901	+**Example:**
	902	+)))
673	673
	904	+* (((
	905	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	906	+)))
	907	+* (((
	908	+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.
	909	+)))
	910	+* (((
	911	+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.
674	674
675		-0xAB downlink command can be used for set AT+SEARCHx
	913	+
	914	+)))
676	676
677		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	916	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
678	678
679		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680		-* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
	918	+(% title="Click and drag to resize" %)​
681	681
682		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	920	+(% 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" %)​
683	683
	922	+* (((
	923	+(% style="color:#037691" %)**Downlink Command:**
	924	+)))
684	684
685		-==== Fast command to handle MODBUS device ====
	926	+**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
686	686
687		-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]].
688	688
689		-This command is valid since v1.3 firmware version
	929	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
690	690
691	691
692		-AT+MBFUN has only two value:
	932	+(((
	933	+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.
	934	+)))
693	693
694		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	936	+(((
	937	+Default value: 0, range:  0 ~~ 65 seconds
	938	+)))
695	695
696		-AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	940	+(((
	941	+* (% style="color:#037691" %)** AT Command:**
697	697
698		-* AT+MBFUN=0: Disable Modbus fast reading.
	943	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	944	+)))
699	699
700		-Example:
	946	+(((
	947	+
701	701
702		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
703		-* 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.
704		-* 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.
	949	+**Example:**
	950	+)))
705	705
706		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	952	+(((
	953	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	954	+)))
707	707
	956	+(((
	957	+
	958	+)))
708	708
709		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	960	+* (((
	961	+(% style="color:#037691" %)** Downlink Payload:**
	962	+)))
710	710
	964	+(((
	965	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
	966	+)))
711	711
712		-* Downlink Commands:
	968	+(((
	969	+
713	713
714		-A9 aa -à Same as AT+MBFUN=aa
	971	+**Example:**
	972	+)))
715	715
	974	+(((
	975	+**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	976	+)))
716	716
717		-==== RS485 command timeout ====
718	718
719		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
720	720
721		-Default value: 0, range:  0 ~~ 5 seconds
	980	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
722	722
723	723
724		-* AT Command:
	983	+(((
	984	+Define to use one uplink or multiple uplinks for the sampling.
	985	+)))
725	725
726		-AT+CMDDLaa=hex(bb cc)
	987	+(((
	988	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
727	727
728		-Example:
	990	+
	991	+)))
729	729
730		-**AT+CMDDL1=1000** to send the open time to 1000ms
	993	+(((
	994	+* (% style="color:#037691" %)** AT Command:**
731	731
	996	+(% style="color:#4472c4" %)** AT+DATAUP=0**
732	732
733		-* Downlink Payload:
	998	+(% style="color:#4472c4" %)** AT+DATAUP=1**
734	734
735		-0x AA aa bb cc
	1000	+
	1001	+)))
736	736
737		-Same as: AT+CMDDLaa=hex(bb cc)
	1003	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
738	738
739		- Example:
	1005	+Each uplink is sent to the server at 20-second intervals when segmented.
740	740
741		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
742	742
	1008	+* (((
	1009	+(% style="color:#037691" %)** Downlink Payload:**
	1010	+)))
743	743
744		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1012	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
745	745
746		-Define to use one uplink or multiple uplinks for the sampling.
	1014	+(% 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.
747	747
748		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
749	749
750		-* AT Command:
	1017	+(Since firmware v1.4.0)
751	751
752		-AT+DATAUP=0
	1019	+* (((
	1020	+(% style="color:#037691" %)** AT Command:**
	1021	+)))
753	753
754		-AT+DATAUP=1
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
755	755
756	756
757		-* Downlink Payload:
	1026	+* (((
	1027	+(% style="color:#037691" %)** Downlink Payload:**
	1028	+)))
758	758
759		-0xAD 00   à Same as AT+DATAUP=0
	1030	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
760	760
761		-0xAD 01   à Same as AT+DATAUP=1
	1032	+Each uplink is sent to the server at 20-second intervals when segmented.
762	762
763	763
764		-==== Manually trigger an Uplink ====
	1035	+==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
765	765
	1037	+
	1038	+AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
	1039	+
	1040	+When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
	1041	+
	1042	+When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
	1043	+
	1044	+
	1045	+* (((
	1046	+(% style="color:#037691" %)** AT Command:**
	1047	+)))
	1048	+
	1049	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
	1050	+
	1051	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
	1052	+
	1053	+
	1054	+(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
	1055	+
	1056	+
	1057	+(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
	1058	+
	1059	+
	1060	+* (((
	1061	+(% style="color:#037691" %)** Downlink Payload:**
	1062	+)))
	1063	+
	1064	+//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
	1065	+
	1066	+// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
	1067	+
	1068	+//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
	1069	+
	1070	+//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
	1071	+
	1072	+
	1073	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1074	+
	1075	+
	1076	+(((
766	766	Ask device to send an uplink immediately.
	1078	+)))
767	767
768		-* Downlink Payload:
	1080	+* (((
	1081	+(% style="color:#037691" %)** AT Command:**
	1082	+)))
769	769
770		-0x08 FF, RS485-BL will immediately send an uplink.
	1084	+(((
	1085	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1086	+)))
771	771
	1088	+(((
	1089	+
	1090	+)))
772	772
773		-==== Clear RS485 Command ====
	1092	+* (((
	1093	+(% style="color:#037691" %)** Downlink Payload:**
	1094	+)))
774	774
	1096	+(((
	1097	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1098	+)))
	1099	+
	1100	+
	1101	+
	1102	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1103	+
	1104	+
	1105	+(((
775	775	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
776	776
	1108	+
	1109	+)))
777	777
778		-* AT Command:
	1111	+* (((
	1112	+(% style="color:#037691" %)** AT Command:**
	1113	+)))
779	779
780		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1115	+(((
	1116	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1117	+)))
781	781
	1119	+(((
	1120	+
	1121	+
782	782	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1123	+)))
783	783
	1125	+(((
784	784	Example screen shot after clear all RS485 commands.
	1127	+)))
785	785
	1129	+(((
	1130	+
	1131	+)))
786	786
787		-
	1133	+(((
788	788	The uplink screen shot is:
	1135	+)))
789	789
790		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1137	+(% 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" %)​
791	791
792	792
793		-* Downlink Payload:
	1140	+* (((
	1141	+(% style="color:#037691" %)** Downlink Payload:**
	1142	+)))
794	794
795		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1144	+(((
	1145	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1146	+)))
796	796
797	797
798		-==== Set Serial Communication Parameters ====
799	799
	1150	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1151	+
	1152	+
	1153	+(((
800	800	Set the Rs485 serial communication parameters:
	1155	+)))
801	801
802		-* AT Command:
	1157	+(((
	1158	+(% style="color:#037691" %)**AT Command:**
	1159	+)))
803	803
804		-Set Baud Rate:
	1161	+(((
	1162	+* Set Baud Rate
	1163	+)))
805	805
806		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1165	+(% 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
807	807
808	808
809		-Set UART parity
	1168	+(((
	1169	+* Set UART Parity
	1170	+)))
810	810
811		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1172	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
812	812
813	813
814		-Set STOPBIT
	1175	+(((
	1176	+* Set STOPBIT
	1177	+)))
815	815
816		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1179	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
817	817
818	818
819		-* Downlink Payload:
	1182	+(((
	1183	+(% style="color:#037691" %)**Downlink Payload:**
	1184	+)))
820	820
821		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1186	+(((
	1187	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1188	+)))
822	822
823		-Example:
	1190	+(((
	1191	+**Example:**
	1192	+)))
824	824
825		-* A7 01 00 60   same as AT+BAUDR=9600
826		-* A7 01 04 80  same as AT+BAUDR=115200
	1194	+* (((
	1195	+A7 01 00 60  same as AT+BAUDR=9600
	1196	+)))
	1197	+* (((
	1198	+A7 01 04 80  same as AT+BAUDR=115200
	1199	+)))
827	827
828		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1201	+(((
	1202	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1203	+)))
829	829
830		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1205	+(((
	1206	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1207	+)))
831	831
832	832
833		-==== Control output power duration ====
834	834
835		-User can set the output power duration before each sampling.
836	836
837		-* AT Command:
	1212	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
838	838
839		-Example:
840	840
841		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1215	+* (((
	1216	+(% style="color:#037691" %)** AT Command:**
	1217	+)))
842	842
843		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1219	+(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
844	844
	1221	+(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
845	845
846		-* LoRaWAN Downlink Command:
	1223	+* (((
	1224	+(% style="color:#037691" %)**Downlink Payload:**
	1225	+)))
847	847
848		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1227	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
849	849
850		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1229	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
851	851
852	852
853	853
	1233	+==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
854	854
855		-1.
856		-11. Buttons
	1235	+(((
	1236	+
	1237	+)))
857	857
858		-|**Button**|**Feature**
859		-|**RST**|Reboot RS485-BL
	1239	+* (((
	1240	+(% style="color:#037691" %)** AT Command:**
	1241	+)))
860	860
861		-1.
862		-11. +3V3 Output
	1243	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
863	863
864		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1245	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
865	865
866		-The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
867	867
868	868
869		-The +3V3 output time can be controlled by AT Command.
	1249	+==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
870	870
871		-**AT+3V3T=1000**
872	872
873		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1252	+* (((
	1253	+(% style="color:#037691" %)** AT Command:**
	1254	+)))
874	874
	1256	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
875	875
876		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1258	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
877	877
878	878
879		-1.
880		-11. +5V Output
881	881
882		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1262	+==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
883	883
884		-The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
885	885
	1265	+* (((
	1266	+(% style="color:#037691" %)** AT Command:**
	1267	+)))
886	886
887		-The 5V output time can be controlled by AT Command.
	1269	+(% 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)
888	888
889		-**AT+5VT=1000**
	1271	+(% 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.
890	890
891		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
892	892
893	893
894		-By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
	1275	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
895	895
896	896
	1278	+* (((
	1279	+(% style="color:#037691" %)** AT Command:**
	1280	+)))
897	897
	1282	+ (% 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)
898	898
899		-1.
900		-11. LEDs
	1284	+ (% 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.
901	901
902		-|**LEDs**|**Feature**
903		-|**LED1**|Blink when device transmit a packet.
904	904
905		-1.
906		-11. Switch Jumper
	1287	+* (((
	1288	+(% style="color:#037691" %)** Downlink Payload:**
	1289	+)))
907	907
908		-|**Switch Jumper**|**Feature**
909		-|**SW1**|(((
910		-ISP position: Upgrade firmware via UART
	1291	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
911	911
912		-Flash position: Configure device, check running status.
	1293	+
	1294	+
	1295	+==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
	1296	+
	1297	+
	1298	+* (((
	1299	+(% style="color:#037691" %)** AT Command:**
913	913	)))
914		-|**SW2**|(((
915		-5V position: set to compatible with 5v I/O.
916	916
917		-3.3v position: set to compatible with 3.3v I/O.,
	1302	+(% 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.
	1303	+
	1304	+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.
	1305	+
	1306	+
	1307	+[[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"]]
	1308	+
	1309	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1310	+
	1311	+
	1312	+
	1313	+[[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"]]
	1314	+
	1315	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1316	+
	1317	+
	1318	+
	1319	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
	1320	+
	1321	+
	1322	+(((
	1323	+* (% style="color:#037691" %)**Downlink Payload:**
	1324	+
	1325	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
918	918	)))
919	919
920		-+3.3V: is always ON
921	921
922		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1329	+Example：
923	923
924		-1. Case Study
925	925
926		-User can check this URL for some case studies.
	1332	+[[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"]]
927	927
928		-[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
929	929
930	930
	1336	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
931	931
932	932
933		-1. Use AT Command
934		-11. Access AT Command
	1339	+* (((
	1340	+(% style="color:#037691" %)** AT Command:**
	1341	+)))
935	935
936		-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.
	1343	+(% 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.
937	937
938		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1345	+(% 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.
939	939
	1347	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
940	940
941		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
942	942
943		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1350	+* (((
	1351	+(% style="color:#037691" %)**Downlink Payload:**
	1352	+)))
944	944
	1354	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
945	945
	1356	+[[image:image-20220824144240-1.png]]
946	946
947		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
948	948
	1359	+== 3.6 Listening mode for RS485 network ==
949	949
950	950
951		-1.
952		-11. Common AT Command Sequence
953		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1362	+(((
	1363	+This feature support since firmware v1.4
	1364	+)))
954	954
955		-If device has not joined network yet:
	1366	+(((
	1367	+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.
956	956
957		-AT+FDR
	1369	+
	1370	+)))
958	958
959		-AT+NJM=0
	1372	+(% 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"]]
960	960
961		-ATZ
	1374	+(% title="Click and drag to resize" %)​
962	962
	1376	+(((
	1377	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1378	+)))
963	963
	1380	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1381	+|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
	1382	+**Command example**
	1383	+)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
	1384	+**Function**
	1385	+)))
	1386	+|(% style="width:156px" %)(((
	1387	+AT+RXMODE=1,10
	1388	+)))|(% style="width:352px" %)(((
	1389	+Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	1390	+)))
	1391	+|(% style="width:156px" %)(((
	1392	+AT+RXMODE=2,500
	1393	+)))|(% style="width:352px" %)(((
	1394	+Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	1395	+)))
	1396	+|(% style="width:156px" %)(((
	1397	+AT+RXMODE=0,0
	1398	+)))|(% style="width:352px" %)(((
	1399	+Disable listening mode. This is the default settings.
	1400	+)))
	1401	+|(% style="width:156px" %)(((
	1402	+
	1403	+)))|(% style="width:352px" %)(((
	1404	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1405	+)))
	1406	+
	1407	+(((
	1408	+
	1409	+
	1410	+(% style="color:#037691" %)**Downlink Command:**
	1411	+)))
	1412	+
	1413	+(((
	1414	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1415	+)))
	1416	+
	1417	+(((
	1418	+
	1419	+)))
	1420	+
	1421	+(((
	1422	+**Example**:
	1423	+)))
	1424	+
	1425	+(((
	1426	+The RS485-LN is set to AT+RXMODE=2,1000
	1427	+)))
	1428	+
	1429	+(((
	1430	+There is a two Modbus commands in the RS485 network as below:
	1431	+)))
	1432	+
	1433	+(((
	1434	+The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
	1435	+)))
	1436	+
	1437	+(((
	1438	+And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
	1439	+)))
	1440	+
	1441	+(((
	1442	+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**
	1443	+
	1444	+
	1445	+)))
	1446	+
	1447	+(((
	1448	+(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1449	+)))
	1450	+
	1451	+
	1452	+
	1453	+(((
	1454	+(% 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.**
	1455	+)))
	1456	+
	1457	+
	1458	+== 3.7 Buttons ==
	1459	+
	1460	+
	1461	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1462	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1463	+|(% 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**
	1464	+|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
	1465	+|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1466	+
	1467	+== 3.8 LEDs ==
	1468	+
	1469	+
	1470	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1471	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1472	+|PWR|Always on if there is power
	1473	+|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.
	1474	+
	1475	+= 4. Case Study =
	1476	+
	1477	+
	1478	+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]]
	1479	+
	1480	+
	1481	+= 5. Use AT Command =
	1482	+
	1483	+== 5.1 Access AT Command ==
	1484	+
	1485	+
	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.
	1488	+
	1489	+
	1490	+)))
	1491	+
	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" %)​
	1493	+
	1494	+
	1495	+
	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	+(((
	1506	+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	+)))
	1508	+
	1509	+
	1510	+== 5.2 Common AT Command Sequence ==
	1511	+
	1512	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1513	+
	1514	+
	1515	+If device has not joined network yet:
	1516	+
	1517	+* (% style="color:#037691" %)**AT+FDR**
	1518	+* (% style="color:#037691" %)**AT+NJM=0**
	1519	+* (% style="color:#037691" %)**ATZ**
	1520	+
	1521	+(((
	1522	+
	1523	+
964	964	If device already joined network:
965	965
966		-AT+NJM=0
	1526	+* (% style="color:#037691" %)**AT+NJM=0**
	1527	+* (% style="color:#037691" %)**ATZ**
	1528	+)))
967	967
968		-ATZ
969	969
970		-1.
971		-11.
972		-111. Single-channel ABP mode (Use with LG01/LG02)
973	973
974		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1532	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
975	975
976		-AT+NJM=0 Set to ABP mode
977	977
978		-AT+ADR=0 Set the Adaptive Data Rate Off
	1535	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
979	979
980		-AT+DR=5  Set Data Rate
	1537	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
981	981
982		-AT+TDC=60000  Set transmit interval to 60 seconds
	1539	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
983	983
984		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1541	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
985	985
986		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1543	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
987	987
988		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1545	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
989	989
990		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1547	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
991	991
992		-ATZ          Reset MCU
	1549	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
993	993
994		-**Note:**
	1551	+(% 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.
995	995
996		-1. Make sure the device is set to ABP mode in the IoT Server.
997		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998		-1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
999		-1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1553	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1000	1000
1001		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1002	1002
	1556	+(% style="color:red" %)**Note:**
1003	1003
1004		-1. FAQ
1005		-11. How to upgrade the image?
	1558	+(((
	1559	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1560	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1561	+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.
	1562	+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
1006	1006
1007		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1564	+
	1565	+)))
1008	1008
1009		-* Support new features
1010		-* For bug fix
1011		-* Change LoRaWAN bands.
	1567	+(% 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" %)​
1012	1012
1013		-Below shows the hardware connection for how to upload an image to RS485-BL:
1014	1014
1015		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1570	+= 6. FAQ =
1016	1016
1017		-**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]].
	1572	+== 6.1 How to upgrade the image? ==
1018	1018
1019		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1020	1020
1021		-**Step3: **Open flashloader; choose the correct COM port to update.
	1575	+(((
	1576	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1577	+)))
1022	1022
	1579	+* (((
	1580	+Support new features
	1581	+)))
	1582	+* (((
	1583	+For bug fix
	1584	+)))
	1585	+* (((
	1586	+Change LoRaWAN bands.
	1587	+)))
1023	1023
1024		-|(((
1025		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1589	+(((
	1590	+Below shows the hardware connection for how to upload an image to RS485-LN:
1026	1026	)))
1027	1027
1028		-|(((
1029		-Board detected
	1593	+(% 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"]]
	1594	+
	1595	+(% title="Click and drag to resize" %)​
	1596	+
	1597	+(((
	1598	+(% 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]].
	1599	+
	1600	+
1030	1030	)))
1031	1031
1032		-|(((
	1603	+(((
	1604	+(% 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]].
	1605	+
1033	1033
1034	1034	)))
1035	1035
1036		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
	1609	+(((
	1610	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1037	1037
	1612	+
	1613	+)))
1038	1038
	1615	+(((
	1616	+(((
	1617	+(((
	1618	+(% 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.
	1619	+)))
	1620	+)))
	1621	+)))
1039	1039
1040		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1041	1041
	1624	+(% 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" %)​
1042	1042
1043		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1044	1044
	1627	+(% 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" %)​
1045	1045
1046		-1.
1047		-11. How to change the LoRa Frequency Bands/Region?
1048	1048
1049		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1630	+(% 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" %)​
1050	1050
1051	1051
1052	1052
1053		-1.
1054		-11. How many RS485-Slave can RS485-BL connects?
	1634	+(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1055	1055
1056		-The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
	1636	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1057	1057
1058	1058
	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:**
1059	1059
	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" %)​
1060	1060
1061		-1. Trouble Shooting
1062		-11. Downlink doesn’t work, how to solve it?
1063	1063
1064		-Please see this link for debug:
	1644	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1065	1065
1066		-[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1067	1067
	1647	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1068	1068
1069	1069
1070		-1.
1071		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1650	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1072	1072
1073		-It might about the channels mapping. Please see for detail.
1074	1074
1075		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1653	+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"]].
1076	1076
1077	1077
	1656	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1078	1078
1079		-1. Order Info
1080	1080
1081		-**Part Number: RS485-BL-XXX**
	1659	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1082	1082
1083		-**XXX:**
	1661	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1084	1084
1085		-* **EU433**: frequency bands EU433
1086		-* **EU868**: frequency bands EU868
1087		-* **KR920**: frequency bands KR920
1088		-* **CN470**: frequency bands CN470
1089		-* **AS923**: frequency bands AS923
1090		-* **AU915**: frequency bands AU915
1091		-* **US915**: frequency bands US915
1092		-* **IN865**: frequency bands IN865
1093		-* **RU864**: frequency bands RU864
1094		-* **KZ865: **frequency bands KZ865
1095	1095
1096		-1. Packing Info
	1664	+== 6.5 Can i use point to point communication for RS485-LN? ==
1097	1097
	1666	+
	1667	+Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1668	+
	1669	+
	1670	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1671	+
	1672	+
	1673	+[[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/]]
	1674	+
	1675	+
	1676	+== 6.7 How to judge whether there is a problem with the set COMMAND ==
	1677	+
	1678	+=== 6.7.1 Introduce: ===
	1679	+
	1680	+
	1681	+Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
	1682	+
	1683	+1. Test if Modbus-MTU works with PC commands.
	1684	+1. Check if RS485-LN sent the expected command to Mobus-MTU
	1685	+1. Check if Modbus-MTU return back the expected result to RS485-LN.
	1686	+1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
	1687	+
	1688	+[[image:image-20240816112950-1.png||height="382" width="731"]]
	1689	+
	1690	+
	1691	+Example Connection:
	1692	+
	1693	+[[image:image-20221130104310-2.png]]
	1694	+
	1695	+
	1696	+=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
	1697	+
	1698	+
	1699	+(% style="color:red" %)**Note: Receive and send set to hex mode**
	1700	+
	1701	+[[image:image-20221130104310-3.png||height="616" width="714"]]
	1702	+
	1703	+
	1704	+=== 6.7.3 With ModRSsim2: ===
	1705	+
	1706	+
	1707	+(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
	1708	+
	1709	+[[image:image-20221130104310-4.png||height="390" width="865"]]
	1710	+
	1711	+
	1712	+(% style="color:blue" %)**(2) Click the serial port icon**
	1713	+
	1714	+[[image:image-20221130104310-5.png||height="392" width="870"]]
	1715	+
	1716	+
	1717	+(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
	1718	+
	1719	+[[image:image-20221130104310-6.png]]
	1720	+
	1721	+
	1722	+(% style="color:blue" %)**(4) Click the comms.**
	1723	+
	1724	+[[image:image-20221130104310-7.png||height="376" width="835"]]
	1725	+
	1726	+(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
	1727	+**Run RS485-LN/BL command and monitor if it is correct.**
	1728	+
	1729	+
	1730	+=== 6.7.4 Example – Test the CFGDEV command ===
	1731	+
	1732	+
	1733	+RS485-LN sent below command:
	1734	+
	1735	+(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
	1736	+
	1737	+
	1738	+We can see the output from the Serial port tool to analyze. And check if they are expected result.
	1739	+
	1740	+[[image:image-20221130104310-8.png||height="214" width="797"]]
	1741	+
	1742	+
	1743	+We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
	1744	+
	1745	+[[image:image-20221130104310-9.png||height="531" width="729"]]
	1746	+
	1747	+
	1748	+=== 6.7.5 Example – Test CMD command sets. ===
	1749	+
	1750	+
	1751	+Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
	1752	+
	1753	+
	1754	+(% style="color:blue" %)**Serial port tool:**
	1755	+
	1756	+[[image:image-20221130104310-10.png||height="339" width="844"]]
	1757	+
	1758	+
	1759	+(% style="color:blue" %)**ModRSsim2:**
	1760	+
	1761	+[[image:image-20221130104310-11.png||height="281" width="962"]]
	1762	+
	1763	+
	1764	+=== 6.7.6 Test with PC ===
	1765	+
	1766	+
	1767	+If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
	1768	+
	1769	+
	1770	+Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
	1771	+
	1772	+(% style="color:blue" %)**Connection method：**
	1773	+
	1774	+[[image:image-20221130104310-12.png]]
	1775	+
	1776	+
	1777	+(% style="color:blue" %)**Link situation:**
	1778	+
	1779	+[[image:image-20221130104310-13.png||height="458" width="486"]]
	1780	+
	1781	+
	1782	+[[image:image-20221130104310-14.png||height="371" width="823"]]
	1783	+
	1784	+
	1785	+== 6.8 Where to get the decoder for RS485-LN? ==
	1786	+
	1787	+
	1788	+The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
	1789	+
	1790	+
	1791	+== 6.9 How to configure RS485 commands more conveniently？ ==
	1792	+
	1793	+
	1794	+Dragino has developed an application for the RS485 series of products.
	1795	+
	1796	+It can help you configure RS485 sensors more conveniently
	1797	+Please refer to the link below for specific usage：
	1798	+
	1799	+[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
	1800	+
	1801	+
	1802	+= 7. Trouble Shooting =
	1803	+
	1804	+== 7.1 Downlink doesn't work, how to solve it? ==
	1805	+
	1806	+
	1807	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1808	+
	1809	+
	1810	+== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
	1811	+
	1812	+
	1813	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1814	+
	1815	+
	1816	+== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
	1817	+
	1818	+This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
	1819	+
	1820	+Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
	1821	+
	1822	+[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
	1823	+
	1824	+Example:
	1825	+
	1826	+[[image:image-20240620145456-1.png]]
	1827	+
	1828	+Please refer to the following command to fix DR
	1829	+
	1830	+AT+ADR=0
	1831	+
	1832	+AT+DR=3
	1833	+
	1834	+Downlink command:
	1835	+
	1836	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
	1837	+
	1838	+
	1839	+
	1840	+= 8. Order Info =
	1841	+
	1842	+
	1843	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1844	+
	1845	+(% style="color:blue" %)**XXX:**
	1846	+
	1847	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1848	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1849	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1850	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1851	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1852	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1853	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1854	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1855	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1856	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1857	+
	1858	+= 9. Packing Info =
	1859	+
	1860	+
1098	1098	**Package Includes**:
1099	1099
1100		-* RS485-BL x 1
	1863	+* RS485-LN x 1
1101	1101	* Stick Antenna for LoRa RF part x 1
1102	1102	* Program cable x 1
1103	1103
...	...	@@ -1108,9 +1108,67 @@
1108	1108	* Package Size / pcs : 14.5 x 8 x 5 cm
1109	1109	* Weight / pcs : 170g
1110	1110
1111		-1. Support
	1874	+= 10. FCC Caution for RS485LN-US915 =
1112	1112
1113		-* 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.
1114		-* 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
1115	1115
1116		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1877	+(((
	1878	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1879	+)))
	1880	+
	1881	+(((
	1882	+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.
	1883	+)))
	1884	+
	1885	+(((
	1886	+
	1887	+)))
	1888	+
	1889	+(((
	1890	+(% style="color:red" %)**IMPORTANT NOTE:**
	1891	+)))
	1892	+
	1893	+(((
	1894	+(% 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:
	1895	+)))
	1896	+
	1897	+(((
	1898	+—Reorient or relocate the receiving antenna.
	1899	+)))
	1900	+
	1901	+(((
	1902	+—Increase the separation between the equipment and receiver.
	1903	+)))
	1904	+
	1905	+(((
	1906	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1907	+)))
	1908	+
	1909	+(((
	1910	+—Consult the dealer or an experienced radio/TV technician for help.
	1911	+)))
	1912	+
	1913	+(((
	1914	+
	1915	+)))
	1916	+
	1917	+(((
	1918	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1919	+)))
	1920	+
	1921	+(((
	1922	+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.
	1923	+)))
	1924	+
	1925	+
	1926	+= 11. Support =
	1927	+
	1928	+
	1929	+* (((
	1930	+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.
	1931	+)))
	1932	+* (((
	1933	+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]].
	1934	+
	1935	+
	1936	+
	1937	+)))

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