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

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Title

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

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"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
	13	+
	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
11	11
12	12
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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	(((
...	...	@@ -31,31 +31,33 @@
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.
...	...	@@ -444,670 +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:1653270130359-810.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		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
453	453
454		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	550	+=== 3.3.6 Uplink on demand ===
455	455
456		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
457	457
458		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	553	+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.
459	459
460		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	555	+(% style="color:blue" %)**Downlink control command:**
461	461
462		-=== 3.3.5 Uplink on demand ===
	557	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
463	463
464		-Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
	559	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
465	465
466		-Downlink control command:
467	467
468		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	562	+=== 3.3.7 Uplink on Interrupt ===
469	469
470		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
471	471
	565	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
472	472
	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" %)​
473	473
474		-1.
475		-11.
476		-111. Uplink on Interrupt
	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.
477	477
478		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
479	479
480		-AT+INTMOD=0  Disable Interrupt
	572	+== 3.4 Uplink Payload ==
481	481
482		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
483	483
484		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	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
485	485
486		-AT+INTMOD=3  Interrupt trigger by rising edge.
	588	+support payload length in server, server will show payload not
487	487
	590	+provided in the LoRaWAN server.
	591	+)))
488	488
489		-1.
490		-11. Uplink Payload
	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
492		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
493		-|Value|(((
494		-Battery(mV)
495	495
496		-&
	596	+== 3.5 Configure RS485-LN via AT or Downlink ==
497	497
498		-Interrupt _Flag
499		-)))|(((
500		-PAYLOAD_VER
501	501
	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	+(((
502	502
503		-)))|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	+)))
504	504
505		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
506	506
	620	+=== 3.5.1 Common Commands ===
507	507
508		-function Decoder(bytes, port) {
509	509
510		-~/~/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]]
511	511
512		-return {
513	513
514		- ~/~/Battery,units:V
	626	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
515	515
516		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
517	517
518		- ~/~/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.
519	519
520		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
521	521
522		- ~/~/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"]]
523	523
524		- Pay_ver:bytes[2],
	634	+(% title="Click and drag to resize" %)​
525	525
526		- };
	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)
527	527
528		- }
529	529
	639	+=== 3.5.3 Sensor related commands ===
530	530
531	531
532	532
	643	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
533	533
534	534
	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	+)))
535	535
536		-TTN V3 uplink screen shot.
	650	+(((
	651	+* (% style="color:#037691" %)**AT Command**
537	537
538		-[[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	+)))
539	539
540		-1.
541		-11. Configure RS485-BL via AT or Downlink
	658	+(((
	659	+
	660	+)))
542	542
543		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	662	+* (((
	663	+(% style="color:#037691" %)**Downlink Payload**
	664	+)))
544	544
545		-There are two kinds of Commands:
	666	+(((
	667	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	668	+)))
546	546
547		-* **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	+)))
548	548
549		-* **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	+)))
550	550
551		-1.
552		-11.
553		-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	+)))
554	554
555		-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	+
556	556
	702	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	703	+)))
557	557
558		-1.
559		-11.
560		-111. Sensor related commands:
	705	+(((
	706	+To connect a Modbus Alarm with below commands.
	707	+)))
561	561
562		-==== 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	+)))
563	563
564		-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	+)))
565	565
566		-* AT Command
	717	+(((
	718	+
567	567
568		-**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	+)))
569	569
570		-**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	+)))
571	571
	727	+(((
	728	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	729	+)))
572	572
573		-* 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	+)))
574	574
575		-**0A aa**     à same as AT+MOD=aa
	735	+(((
	736	+
	737	+)))
576	576
	739	+(((
	740	+(% style="color:blue" %)**Example 2:**  (%%)
	741	+)))
577	577
	743	+(((
	744	+Check TTL Sensor return:
	745	+)))
578	578
579		-==== [[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	+)))
580	580
581		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
582	582
583		-* AT Command
584	584
585		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	755	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
586	586
587		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
588	588
	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	+)))
589	589
	762	+(((
	763	+* (% style="color:#037691" %)**AT Command:**
590	590
591		-* Downlink Payload
	765	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
592	592
593		-Format: A8 MM NN XX XX XX XX YY
	767	+
	768	+)))
594	594
595		-Where:
	770	+* (((
	771	+(% style="color:#037691" %)**Downlink Payload:**
	772	+)))
596	596
597		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
598		-* NN: The length of RS485 command
599		-* XX XX XX XX: RS485 command total NN bytes
600		-* 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	+)))
601	601
602		-**Example 1:**
	778	+(((
	779	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	780	+)))
603	603
604		-To connect a Modbus Alarm with below commands.
605	605
606		-* 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)**
607	607
608		-* 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.
609	609
610		-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"]]
611	611
612		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
613	613
614		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
615	615
616		-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.**
617	617
618	618
619		-**Example 2:**
	793	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
620	620
621		-Check TTL Sensor return:
622	622
623		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
624	624
	797	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
625	625
626	626
	800	+(((
	801	+AT+COMMANDx or AT+DATACUTx
	802	+)))
627	627
628		-==== 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	+)))
629	629
630		-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	+)))
631	631
632		-* AT Command:
	812	+* (((
	813	+(% style="color:#037691" %)**AT Command:**
	814	+)))
633	633
634		-AT+PAYVER: Set PAYVER field = 1
	816	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
635	635
	818	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
636	636
637		-* Downlink Payload:
638	638
639		-0xAE 01   à Set PAYVER field =  0x01
	821	+* (((
	822	+(% style="color:#037691" %)**Downlink Payload:**
	823	+)))
640	640
641		-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.
642	642
	828	+
	829	+)))
643	643
644		-==== 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.**
645	645
646		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	834	+
	835	+)))
647	647
648		-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	+)))
649	649
	841	+(((
	842	+Where:
	843	+)))
650	650
651		-* 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	+)))
652	652
653		-AT+COMMANDx: Configure RS485 read command to sensor.
	861	+(((
	862	+
654	654
655		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	864	+**Example:**
	865	+)))
656	656
657		-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	+)))
658	658
	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	+)))
659	659
660		-* 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	+)))
661	661
662		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
663	663
664		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
665	665
666		-Format: AF MM NN LL XX XX XX XX YY
	881	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
667	667
668		-Where:
669	669
670		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
671		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
672		-* LL: The length of AT+COMMAND or AT+DATACUT command
673		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
674		-* 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	+)))
675	675
676		-Example:
	888	+(((
	889	+This command is valid since v1.3 firmware version
	890	+)))
677	677
678		-**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	+)))
679	679
680		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	896	+(((
	897	+
	898	+)))
681	681
682		-**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	+)))
683	683
	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.
684	684
685		-0xAB downlink command can be used for set AT+SEARCHx
	913	+
	914	+)))
686	686
687		-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"]]
688	688
689		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
690		-* 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" %)​
691	691
692		-**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" %)​
693	693
	922	+* (((
	923	+(% style="color:#037691" %)**Downlink Command:**
	924	+)))
694	694
695		-==== Fast command to handle MODBUS device ====
	926	+**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
696	696
697		-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]].
698	698
699		-This command is valid since v1.3 firmware version
	929	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
700	700
701	701
702		-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	+)))
703	703
704		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	936	+(((
	937	+Default value: 0, range:  0 ~~ 65 seconds
	938	+)))
705	705
706		-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:**
707	707
708		-* AT+MBFUN=0: Disable Modbus fast reading.
	943	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	944	+)))
709	709
710		-Example:
	946	+(((
	947	+
711	711
712		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
713		-* 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.
714		-* 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	+)))
715	715
716		-[[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	+)))
717	717
	956	+(((
	957	+
	958	+)))
718	718
719		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	960	+* (((
	961	+(% style="color:#037691" %)** Downlink Payload:**
	962	+)))
720	720
	964	+(((
	965	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
	966	+)))
721	721
722		-* Downlink Commands:
	968	+(((
	969	+
723	723
724		-A9 aa -à Same as AT+MBFUN=aa
	971	+**Example:**
	972	+)))
725	725
	974	+(((
	975	+**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	976	+)))
726	726
727		-==== RS485 command timeout ====
728	728
729		-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.
730	730
731		-Default value: 0, range:  0 ~~ 5 seconds
	980	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
732	732
733	733
734		-* AT Command:
	983	+(((
	984	+Define to use one uplink or multiple uplinks for the sampling.
	985	+)))
735	735
736		-AT+CMDDLaa=hex(bb cc)
	987	+(((
	988	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
737	737
738		-Example:
	990	+
	991	+)))
739	739
740		-**AT+CMDDL1=1000** to send the open time to 1000ms
	993	+(((
	994	+* (% style="color:#037691" %)** AT Command:**
741	741
	996	+(% style="color:#4472c4" %)** AT+DATAUP=0**
742	742
743		-* Downlink Payload:
	998	+(% style="color:#4472c4" %)** AT+DATAUP=1**
744	744
745		-0x AA aa bb cc
	1000	+
	1001	+)))
746	746
747		-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)
748	748
749		- Example:
	1005	+Each uplink is sent to the server at 20-second intervals when segmented.
750	750
751		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
752	752
	1008	+* (((
	1009	+(% style="color:#037691" %)** Downlink Payload:**
	1010	+)))
753	753
754		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1012	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
755	755
756		-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.
757	757
758		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
759	759
760		-* AT Command:
	1017	+(Since firmware v1.4.0)
761	761
762		-AT+DATAUP=0
	1019	+* (((
	1020	+(% style="color:#037691" %)** AT Command:**
	1021	+)))
763	763
764		-AT+DATAUP=1
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
765	765
766	766
767		-* Downlink Payload:
	1026	+* (((
	1027	+(% style="color:#037691" %)** Downlink Payload:**
	1028	+)))
768	768
769		-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)
770	770
771		-0xAD 01   à Same as AT+DATAUP=1
	1032	+Each uplink is sent to the server at 20-second intervals when segmented.
772	772
773	773
774		-==== Manually trigger an Uplink ====
	1035	+==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
775	775
	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	+(((
776	776	Ask device to send an uplink immediately.
	1078	+)))
777	777
778		-* Downlink Payload:
	1080	+* (((
	1081	+(% style="color:#037691" %)** AT Command:**
	1082	+)))
779	779
780		-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	+)))
781	781
	1088	+(((
	1089	+
	1090	+)))
782	782
783		-==== Clear RS485 Command ====
	1092	+* (((
	1093	+(% style="color:#037691" %)** Downlink Payload:**
	1094	+)))
784	784
	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	+(((
785	785	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
786	786
	1108	+
	1109	+)))
787	787
788		-* AT Command:
	1111	+* (((
	1112	+(% style="color:#037691" %)** AT Command:**
	1113	+)))
789	789
790		-**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	+)))
791	791
	1119	+(((
	1120	+
	1121	+
792	792	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1123	+)))
793	793
	1125	+(((
794	794	Example screen shot after clear all RS485 commands.
	1127	+)))
795	795
	1129	+(((
	1130	+
	1131	+)))
796	796
797		-
	1133	+(((
798	798	The uplink screen shot is:
	1135	+)))
799	799
800		-[[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" %)​
801	801
802	802
803		-* Downlink Payload:
	1140	+* (((
	1141	+(% style="color:#037691" %)** Downlink Payload:**
	1142	+)))
804	804
805		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1144	+(((
	1145	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1146	+)))
806	806
807	807
808		-==== Set Serial Communication Parameters ====
809	809
	1150	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1151	+
	1152	+
	1153	+(((
810	810	Set the Rs485 serial communication parameters:
	1155	+)))
811	811
812		-* AT Command:
	1157	+(((
	1158	+(% style="color:#037691" %)**AT Command:**
	1159	+)))
813	813
814		-Set Baud Rate:
	1161	+(((
	1162	+* Set Baud Rate
	1163	+)))
815	815
816		-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
817	817
818	818
819		-Set UART parity
	1168	+(((
	1169	+* Set UART Parity
	1170	+)))
820	820
821		-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
822	822
823	823
824		-Set STOPBIT
	1175	+(((
	1176	+* Set STOPBIT
	1177	+)))
825	825
826		-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
827	827
828	828
829		-* Downlink Payload:
	1182	+(((
	1183	+(% style="color:#037691" %)**Downlink Payload:**
	1184	+)))
830	830
831		-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	+)))
832	832
833		-Example:
	1190	+(((
	1191	+**Example:**
	1192	+)))
834	834
835		-* A7 01 00 60   same as AT+BAUDR=9600
836		-* 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	+)))
837	837
838		-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	+)))
839	839
840		-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	+)))
841	841
842	842
843		-==== Control output power duration ====
844	844
845		-User can set the output power duration before each sampling.
846	846
847		-* AT Command:
	1212	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
848	848
849		-Example:
850	850
851		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1215	+* (((
	1216	+(% style="color:#037691" %)** AT Command:**
	1217	+)))
852	852
853		-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
854	854
	1221	+(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
855	855
856		-* LoRaWAN Downlink Command:
	1223	+* (((
	1224	+(% style="color:#037691" %)**Downlink Payload:**
	1225	+)))
857	857
858		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1227	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
859	859
860		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1229	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
861	861
862	862
863	863
	1233	+==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
864	864
865		-1.
866		-11. Buttons
	1235	+(((
	1236	+
	1237	+)))
867	867
868		-|**Button**|**Feature**
869		-|**RST**|Reboot RS485-BL
	1239	+* (((
	1240	+(% style="color:#037691" %)** AT Command:**
	1241	+)))
870	870
871		-1.
872		-11. +3V3 Output
	1243	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
873	873
874		-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)
875	875
876		-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.
877	877
878	878
879		-The +3V3 output time can be controlled by AT Command.
	1249	+==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
880	880
881		-**AT+3V3T=1000**
882	882
883		-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	+)))
884	884
	1256	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
885	885
886		-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.
887	887
888	888
889		-1.
890		-11. +5V Output
891	891
892		-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)**(%%) ====
893	893
894		-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.
895	895
	1265	+* (((
	1266	+(% style="color:#037691" %)** AT Command:**
	1267	+)))
896	896
897		-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)
898	898
899		-**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.
900	900
901		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
902	902
903	903
904		-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)**(%%) ====
905	905
906	906
	1278	+* (((
	1279	+(% style="color:#037691" %)** AT Command:**
	1280	+)))
907	907
	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)
908	908
909		-1.
910		-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.
911	911
912		-|**LEDs**|**Feature**
913		-|**LED1**|Blink when device transmit a packet.
914	914
915		-1.
916		-11. Switch Jumper
	1287	+* (((
	1288	+(% style="color:#037691" %)** Downlink Payload:**
	1289	+)))
917	917
918		-|**Switch Jumper**|**Feature**
919		-|**SW1**|(((
920		-ISP position: Upgrade firmware via UART
	1291	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
921	921
922		-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:**
923	923	)))
924		-|**SW2**|(((
925		-5V position: set to compatible with 5v I/O.
926	926
927		-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.
928	928	)))
929	929
930		-+3.3V: is always ON
931	931
932		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1329	+Example：
933	933
934		-1. Case Study
935	935
936		-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"]]
937	937
938		-[[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]]
939	939
940	940
	1336	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
941	941
942	942
943		-1. Use AT Command
944		-11. Access AT Command
	1339	+* (((
	1340	+(% style="color:#037691" %)** AT Command:**
	1341	+)))
945	945
946		-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.
947	947
948		-[[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.
949	949
	1347	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
950	950
951		-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:
952	952
953		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1350	+* (((
	1351	+(% style="color:#037691" %)**Downlink Payload:**
	1352	+)))
954	954
	1354	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
955	955
	1356	+[[image:image-20220824144240-1.png]]
956	956
957		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
958	958
	1359	+== 3.6 Listening mode for RS485 network ==
959	959
960	960
961		-1.
962		-11. Common AT Command Sequence
963		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1362	+(((
	1363	+This feature support since firmware v1.4
	1364	+)))
964	964
965		-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.
966	966
967		-AT+FDR
	1369	+
	1370	+)))
968	968
969		-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"]]
970	970
971		-ATZ
	1374	+(% title="Click and drag to resize" %)​
972	972
	1376	+(((
	1377	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1378	+)))
973	973
	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	+
974	974	If device already joined network:
975	975
976		-AT+NJM=0
	1526	+* (% style="color:#037691" %)**AT+NJM=0**
	1527	+* (% style="color:#037691" %)**ATZ**
	1528	+)))
977	977
978		-ATZ
979	979
980		-1.
981		-11.
982		-111. Single-channel ABP mode (Use with LG01/LG02)
983	983
984		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1532	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
985	985
986		-AT+NJM=0 Set to ABP mode
987	987
988		-AT+ADR=0 Set the Adaptive Data Rate Off
	1535	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
989	989
990		-AT+DR=5  Set Data Rate
	1537	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
991	991
992		-AT+TDC=60000  Set transmit interval to 60 seconds
	1539	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
993	993
994		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1541	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
995	995
996		-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
997	997
998		-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
999	999
1000		-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)
1001	1001
1002		-ATZ          Reset MCU
	1549	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1003	1003
1004		-**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.
1005	1005
1006		-1. Make sure the device is set to ABP mode in the IoT Server.
1007		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1008		-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.
1009		-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
1010	1010
1011		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1012	1012
	1556	+(% style="color:red" %)**Note:**
1013	1013
1014		-1. FAQ
1015		-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
1016	1016
1017		-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	+)))
1018	1018
1019		-* Support new features
1020		-* For bug fix
1021		-* 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" %)​
1022	1022
1023		-Below shows the hardware connection for how to upload an image to RS485-BL:
1024	1024
1025		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1570	+= 6. FAQ =
1026	1026
1027		-**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? ==
1028	1028
1029		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1030	1030
1031		-**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	+)))
1032	1032
	1579	+* (((
	1580	+Support new features
	1581	+)))
	1582	+* (((
	1583	+For bug fix
	1584	+)))
	1585	+* (((
	1586	+Change LoRaWAN bands.
	1587	+)))
1033	1033
1034		-|(((
1035		-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:
1036	1036	)))
1037	1037
1038		-|(((
1039		-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	+
1040	1040	)))
1041	1041
1042		-|(((
	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	+
1043	1043
1044	1044	)))
1045	1045
1046		-[[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.
1047	1047
	1612	+
	1613	+)))
1048	1048
	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	+)))
1049	1049
1050		-[[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]]
1051	1051
	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" %)​
1052	1052
1053		-[[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]]
1054	1054
	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" %)​
1055	1055
1056		-1.
1057		-11. How to change the LoRa Frequency Bands/Region?
1058	1058
1059		-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" %)​
1060	1060
1061	1061
1062	1062
1063		-1.
1064		-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):**
1065	1065
1066		-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]]
1067	1067
1068	1068
	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:**
1069	1069
	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" %)​
1070	1070
1071		-1. Trouble Shooting
1072		-11. Downlink doesn’t work, how to solve it?
1073	1073
1074		-Please see this link for debug:
	1644	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1075	1075
1076		-[[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]]
1077	1077
	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.
1078	1078
1079	1079
1080		-1.
1081		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1650	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1082	1082
1083		-It might about the channels mapping. Please see for detail.
1084	1084
1085		-[[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"]].
1086	1086
1087	1087
	1656	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1088	1088
1089		-1. Order Info
1090	1090
1091		-**Part Number: RS485-BL-XXX**
	1659	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1092	1092
1093		-**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"]]
1094	1094
1095		-* **EU433**: frequency bands EU433
1096		-* **EU868**: frequency bands EU868
1097		-* **KR920**: frequency bands KR920
1098		-* **CN470**: frequency bands CN470
1099		-* **AS923**: frequency bands AS923
1100		-* **AU915**: frequency bands AU915
1101		-* **US915**: frequency bands US915
1102		-* **IN865**: frequency bands IN865
1103		-* **RU864**: frequency bands RU864
1104		-* **KZ865: **frequency bands KZ865
1105	1105
1106		-1. Packing Info
	1664	+== 6.5 Can i use point to point communication for RS485-LN? ==
1107	1107
	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	+
1108	1108	**Package Includes**:
1109	1109
1110		-* RS485-BL x 1
	1863	+* RS485-LN x 1
1111	1111	* Stick Antenna for LoRa RF part x 1
1112	1112	* Program cable x 1
1113	1113
...	...	@@ -1118,9 +1118,67 @@
1118	1118	* Package Size / pcs : 14.5 x 8 x 5 cm
1119	1119	* Weight / pcs : 170g
1120	1120
1121		-1. Support
	1874	+= 10. FCC Caution for RS485LN-US915 =
1122	1122
1123		-* 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.
1124		-* 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
1125	1125
1126		-[[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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