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

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Details

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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
	13	+
	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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12	12
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13	13
14	14
15		-= 1.Introduction =
16	16
	27	+
	28	+
	29	+
	30	+
	31	+= 1. Introduction =
	32	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18	18
	35	+
19	19	(((
20		-(((
21	21	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
23	23
24	24	(((
25		-RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	41	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
26	26	)))
27	27
28	28	(((
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31	31
32	32	(((
33	33	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
	50	+)))
34	34
	52	+(((
35	35	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
36	36	)))
37		-)))
38	38
39		-[[image:1653267211009-519.png||height="419" width="724"]]
40	40
	57	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
41	41
	59	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
46	46
47		-* STM32L072CZT6 MCU
	65	+* STM32L072xxxx MCU
48	48	* SX1276/78 Wireless Chip
49	49	* Power Consumption (exclude RS485 device):
50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
	71	+(% style="color:#037691" %)**Interface for Model:**
54	54
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
	76	+(% style="color:#037691" %)**LoRa Spec:**
59	59
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -74,14 +74,13 @@
74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	95	+* Packet engine up to 256 bytes with CRC
78	78
79		-
80		-
81	81	== 1.3 Features ==
82	82
	99	+
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
84		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	101	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
85	85	* AT Commands to change parameters
86	86	* Remote configure parameters via LoRa Downlink
87	87	* Firmware upgradable via program port
...	...	@@ -89,10 +89,9 @@
89	89	* Support Modbus protocol
90	90	* Support Interrupt uplink (Since hardware version v1.2)
91	91
92		-
93		-
94	94	== 1.4 Applications ==
95	95
	111	+
96	96	* Smart Buildings & Home Automation
97	97	* Logistics and Supply Chain Management
98	98	* Smart Metering
...	...	@@ -100,20 +100,24 @@
100	100	* Smart Cities
101	101	* Smart Factory
102	102
103		-
104		-
105	105	== 1.5 Firmware Change log ==
106	106
	121	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
110	110	== 1.6 Hardware Change log ==
111	111
	127	+
112	112	(((
113	113	(((
	130	+(((
114	114	v1.2: Add External Interrupt Pin.
	132	+)))
115	115
	134	+(((
116	116	v1.0: Release
	136	+)))
117	117
118	118
119	119	)))
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121	121
122	122	= 2. Power ON Device =
123	123
	144	+
124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126	126
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131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
	155	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
135	135
136	136
137	137	)))
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140	140
141	141	== 3.1 How it works? ==
142	142
	164	+
143	143	(((
	166	+(((
144	144	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
	168	+)))
145	145
146	146
147	147	)))
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148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
	175	+
151	151	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
152	152
153		-[[image:1653268155545-638.png||height="334" width="724"]]
154	154
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155	155
	181	+
156	156	(((
157	157	(((
158	158	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
...	...	@@ -160,16 +160,21 @@
160	160
161	161	(((
162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
	189	+
	190	+
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
	193	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
166	166
	195	+
167	167	(((
168		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	197	+The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
	198	+
	199	+
169	169	)))
170	170
171	171	(((
172		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	203	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
173	173	)))
174	174
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177	177	)))
178	178	)))
179	179
180		-[[image:1652953462722-299.png]]
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181	181
	213	+
182	182	(((
183	183	(((
184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	217	+
	218	+
185	185	)))
186	186
187	187	(((
188		-Add APP EUI in the application.
	222	+**Add APP EUI in the application.**
189	189	)))
190	190	)))
191	191
192		-[[image:image-20220519174512-1.png]]
	226	+(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
193	193
194		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	228	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
195	195
196		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	230	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
197	197
198		-[[image:image-20220519174512-4.png]]
	232	+(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
199	199
	234	+
	235	+(% title="Click and drag to resize" %)​
	236	+
200	200	You can also choose to create the device manually.
201	201
202		-[[image:1652953542269-423.png||height="710" width="723"]]
	239	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	243	+**Add APP KEY and DEV EUI**
208	208
	245	+(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	246	+
	247	+
209	209	(((
210		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	249	+(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	250	+
	251	+
211	211	)))
212	212
213		-[[image:1652953568895-172.png||height="232" width="724"]]
	254	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
214	214
215	215
216		-== 3.3 Configure Commands to read data ==
	257	+== 3.3 Configure Device to Read RS485 Sensors ==
217	217
	259	+
	260	+There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
	261	+
	262	+
218	218	(((
219	219	(((
220		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	265	+(((
	266	+(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
221	221	)))
222	222
223		-(((
224		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
225	225
226		-
	270	+=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
	271	+
	272	+
	273	+Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
	274	+
	275	+* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
	276	+
	277	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
	278	+
	279	+
	280	+=== 3.3.2  Method 2 ~-~- via AT Commands ===
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	284	+==== 3.3.2.1 Configure UART settings for RS485 communication ====
231	231
232		-To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	287	+To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
	288	+
	289	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	290	+|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	292	+)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	294	+)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	297	+|(% style="width:126px" %)(((
	298	+
	299	+
	300	+(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	302	+)))
	303	+)))|(% style="width:177px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	305	+)))|(% style="width:193px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
250	250
251	251	(((
252		-Options: (1200,2400,4800,14400,19200,115200)
	311	+Options: (1200,2400,4800,
	312	+14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	315	+|(% style="width:126px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	317	+)))|(% style="width:177px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	319	+)))|(% style="width:193px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
263	263
264	264	(((
265		-Option: 0: no parity, 1: odd parity, 2: even parity
	325	+Option: 0: no parity,
	326	+1: odd parity,
	327	+2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	330	+|(% style="width:126px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	332	+)))|(% style="width:177px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
274		-
	336	+)))|(% style="width:193px" %)(((
275	275	(((
276		-
277		-)))
278		-)))|(% style="width:346px" %)(((
279		-(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
282	282
...	...	@@ -289,910 +289,1505 @@
289	289	)))
290	290	)))
291	291
	350	+=== 3.3.3 Configure sensors ===
292	292
293	293
294		-=== 3.3.2 Configure sensors ===
295		-
296	296	(((
297		-(((
298		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
	354	+Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
299	299	)))
300		-)))
301	301
302		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
303		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
304		-|AT+CFGDEV|(% style="width:418px" %)(((
	357	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	358	+|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
	359	+|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
	360	+(((
305	305	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	362	+)))
306	306
	364	+(((
307	307	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	366	+)))
308	308
	368	+(((
309	309	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	370	+)))
	371	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
311	311
	373	+=== 3.3.4 Configure read commands for each sampling ===
312	312
313	313
314		-=== 3.3.3 Configure read commands for each sampling ===
	376	+(((
	377	+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.
315	315
	379	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	380	+
	381	+This section describes how to achieve above goals.
	382	+
	383	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
	384	+
	385	+
	386	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
	387	+
	388	+
	389	+~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.
	390	+
	391	+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.
	392	+
	393	+3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
	394	+
	395	+
	396	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	397	+
	398	+Below are examples for the how above AT Commands works.
	399	+
	400	+
	401	+(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	402	+
	403	+(% border="1" style="background-color:#f2f2f2; width:499px" %)
	404	+|(% style="width:496px" %)(((
	405	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	406	+
	407	+**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
	408	+
	409	+**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
	410	+)))
	411	+
	412	+For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
	413	+
	414	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	415	+
	416	+
	417	+If a single command exceeds 14 bytes, you can use the command splicing function.
	418	+
	419	+When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
	420	+
	421	+
	422	+**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
	423	+
	424	+ AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
	425	+
	426	+ AT+COMMAND1=1
	427	+
	428	+ AT+COMMAND2=0E 0F,0
	429	+
	430	+
	431	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
	432	+
	433	+(% border="1" style="background-color:#f2f2f2; width:510px" %)
	434	+|(% style="width:510px" %)(((
	435	+**AT+DATACUTx=a,b,c**
	436	+
	437	+* **a: length for the return of AT+COMMAND**
	438	+* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
	439	+* **c: define the position for valid value.  **
	440	+)))
	441	+
	442	+**Examples:**
	443	+
	444	+
	445	+* (% style="color:#037691" %)**Grab bytes**
	446	+
	447	+(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	448	+
	449	+
	450	+
	451	+* (% style="color:#037691" %)**Grab a section**
	452	+
	453	+(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	454	+
	455	+
	456	+
	457	+* (% style="color:#037691" %)**Grab different sections**
	458	+
	459	+(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	460	+
	461	+
	462	+)))
	463	+
	464	+=== 3.3.5 Compose the uplink payload ===
	465	+
	466	+
316	316	(((
317		-RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
	468	+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.**
	469	+
	470	+
318	318	)))
319	319
320	320	(((
321		-During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
	474	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	475	+
	476	+
322	322	)))
323	323
324	324	(((
325		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	480	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
326	326	)))
327	327
328	328	(((
329		-This section describes how to achieve above goals.
	484	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
330	330	)))
331	331
332	332	(((
333		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
	488	+Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	489	+
	490	+
334	334	)))
335	335
	493	+[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
	494	+
	495	+
	496	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	497	+
	498	+
	499	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
	500	+
	501	+Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
	502	+
	503	+
	504	+~1. PAYVER: Defined by AT+PAYVER
	505	+
	506	+2. PAYLOAD COUNT: Total how many uplinks of this sampling.
	507	+
	508	+3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	509	+
	510	+4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
	511	+
	512	+
	513	+(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	514	+
	515	+
	516	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
	517	+
	518	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
	519	+
	520	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
	521	+
	522	+DATA3=the rest of Valid value of RETURN10= **30**
	523	+
	524	+
	525	+(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
	526	+
	527	+
	528	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
	529	+
	530	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
	531	+
	532	+ * For US915 band, max 11 bytes for each uplink.
	533	+
	534	+ ~* For all other bands: max 51 bytes for each uplink.
	535	+
	536	+
	537	+(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
	538	+
	539	+(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
	540	+
	541	+
	542	+
	543	+Below are the uplink payloads:
	544	+
	545	+
	546	+(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	547	+
	548	+
	549	+=== 3.3.6 Uplink on demand ===
	550	+
	551	+
	552	+Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
	553	+
	554	+(% style="color:blue" %)**Downlink control command:**
	555	+
	556	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
	557	+
	558	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
	559	+
	560	+
	561	+=== 3.3.7 Uplink on Interrupt ===
	562	+
	563	+
	564	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
	565	+
	566	+(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	567	+
	568	+Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
	569	+
	570	+
	571	+== 3.4 Uplink Payload ==
	572	+
	573	+
	574	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	575	+|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
	576	+**Size(bytes)**
	577	+)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
	578	+**Length depends on the return from the commands**
	579	+)))
	580	+|(% style="width:90px" %)(((
	581	+Value
	582	+)))|(% style="width:114px" %)(((
	583	+PAYLOAD_VER
	584	+)))|(% style="width:353px" %)(((
	585	+If the valid payload is too long and exceed the maximum
	586	+
	587	+support payload length in server, server will show payload not
	588	+
	589	+provided in the LoRaWAN server.
	590	+)))
	591	+
	592	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](%%)Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	593	+
	594	+
	595	+== 3.5 Configure RS485-LN via AT or Downlink ==
	596	+
	597	+
336	336	(((
337		-**Command from RS485-BL to Sensor:**
	599	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
338	338	)))
339	339
340	340	(((
341		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
	603	+There are two kinds of Commands:
342	342	)))
343	343
	606	+* (((
	607	+(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	608	+)))
	609	+
	610	+* (((
	611	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	612	+)))
	613	+
344	344	(((
345		-**Handle return from sensors to RS485-BL**:
	615	+
346	346	)))
347	347
	618	+
	619	+=== 3.5.1 Common Commands ===
	620	+
	621	+
	622	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	623	+
	624	+
	625	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	626	+
	627	+
	628	+Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
	629	+
	630	+
	631	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
	632	+
	633	+(% title="Click and drag to resize" %)​
	634	+
	635	+The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
	636	+
	637	+
	638	+=== 3.5.3 Sensor related commands ===
	639	+
	640	+
	641	+
	642	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
	643	+
	644	+
348	348	(((
349		-After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
	646	+This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
350	350	)))
351	351
352		-* (((
353		-**AT+DATACUT**
	649	+(((
	650	+* (% style="color:#037691" %)**AT Command**
	651	+
	652	+(((
	653	+(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
354	354	)))
	655	+)))
355	355
356	356	(((
357		-When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
	658	+
358	358	)))
359	359
360	360	* (((
361		-**AT+SEARCH**
	662	+(% style="color:#037691" %)**Downlink Payload**
362	362	)))
363	363
364	364	(((
365		-When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
	666	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
366	366	)))
367	367
368	368	(((
369		-**Define wait timeout:**
	670	+Where:
370	370	)))
371	371
	673	+* (((
	674	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	675	+)))
	676	+* (((
	677	+NN: The length of RS485 command
	678	+)))
	679	+* (((
	680	+XX XX XX XX: RS485 command total NN bytes
	681	+)))
	682	+* (((
372	372	(((
373		-Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
	684	+YY: How many bytes will be uplink from the return of this RS485 command,
374	374	)))
375	375
	687	+* (((
	688	+if YY=0, RS485-LN will execute the downlink command without uplink;
	689	+)))
	690	+* (((
	691	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	692	+)))
	693	+* (((
	694	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	695	+)))
	696	+)))
	697	+
376	376	(((
377		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	699	+
	700	+
	701	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
378	378	)))
379	379
380		-**Examples:**
	704	+(((
	705	+To connect a Modbus Alarm with below commands.
	706	+)))
381	381
382		-Below are examples for the how above AT Commands works.
	708	+* (((
	709	+The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	710	+)))
383	383
384		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
	712	+* (((
	713	+The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	714	+)))
385	385
386		-(% border="1" class="table-bordered" %)
387		-|(((
388		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	716	+(((
	717	+
389	389
390		-**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
	719	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	720	+)))
391	391
392		-**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
	722	+(((
	723	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
393	393	)))
394	394
395	395	(((
396		-For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
	727	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
397	397	)))
398	398
399	399	(((
400		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	731	+A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
401	401	)))
402	402
403	403	(((
404		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
	735	+
405	405	)))
406	406
407		-(% border="1" class="table-bordered" %)
408		-|(((
409		-**AT+SEARCHx=aa,xx xx xx xx xx**
	738	+(((
	739	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	740	+)))
410	410
411		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
412		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
	742	+(((
	743	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	744	+)))
413	413
	746	+(((
414	414
415	415	)))
416	416
417		-**Examples:**
	750	+(((
	751	+(((
	752	+RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	753	+)))
418	418
419		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	755	+
	756	+)))
420	420
421		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
	758	+(((
	759	+ (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	760	+)))
422	422
423		-The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
424	424
425		-[[image:1653269403619-508.png]]
426	426
427		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	764	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
428	428
429		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
430	430
431		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
	767	+(((
	768	+This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
	769	+)))
432	432
433		-[[image:1653269438444-278.png]]
	771	+(((
	772	+* (% style="color:#037691" %)**AT Command:**
434	434
435		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	774	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
436	436
437		-|(((
438		-**AT+DATACUTx=a,b,c**
	776	+
	777	+)))
439	439
440		-* **a: length for the return of AT+COMMAND**
441		-* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
442		-* **c: define the position for valid value.  **
	779	+* (((
	780	+(% style="color:#037691" %)**Downlink Payload:**
443	443	)))
444	444
445		-Examples:
	783	+(((
	784	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	785	+)))
446	446
447		-* Grab bytes:
	787	+(((
	788	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	789	+)))
448	448
449		-[[image:1653269551753-223.png||height="311" width="717"]]
450	450
451		-* Grab a section.
	792	+**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
452	452
453		-[[image:1653269568276-930.png||height="325" width="718"]]
454	454
455		-* Grab different sections.
	795	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
456	456
457		-[[image:1653269593172-426.png||height="303" width="725"]]
458	458
459		-(% style="color:red" %)**Note:**
460	460
461		-AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
	799	+**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
462	462
463		-Example:
464	464
465		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	802	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
466	466
467		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
468	468
469		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
470	470
471		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	806	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
472	472
473		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
474	474
475		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
	809	+(((
	810	+AT+COMMANDx or AT+DATACUTx
	811	+)))
476	476
477		-[[image:1653269618463-608.png]]
	813	+(((
	814	+These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	815	+)))
478	478
479		-=== 3.3.4 Compose the uplink payload ===
	817	+(((
	818	+
	819	+)))
480	480
	821	+* (((
	822	+(% style="color:#037691" %)**AT Command:**
	823	+)))
	824	+
	825	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
	826	+
	827	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
	828	+
	829	+
	830	+* (((
	831	+(% style="color:#037691" %)**Downlink Payload:**
	832	+)))
	833	+
481	481	(((
482		-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.**
	835	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	836	+
	837	+
483	483	)))
484	484
485	485	(((
486		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	841	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
	842	+
	843	+
487	487	)))
488	488
489	489	(((
490		-Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	847	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
491	491	)))
492	492
493	493	(((
494		-Final Payload is
	851	+Where:
495	495	)))
496	496
	854	+* (((
	855	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	856	+)))
	857	+* (((
	858	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	859	+)))
	860	+* (((
	861	+LL:  The length of AT+COMMAND or AT+DATACUT command
	862	+)))
	863	+* (((
	864	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	865	+)))
	866	+* (((
	867	+YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	868	+)))
	869	+
497	497	(((
498		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	871	+
	872	+
	873	+**Example:**
499	499	)))
500	500
501	501	(((
502		-Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	877	+(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
503	503	)))
504	504
505		-[[image:1653269759169-150.png||height="513" width="716"]]
	880	+(((
	881	+(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
	882	+)))
506	506
507		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
	884	+(((
	885	+(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
	886	+)))
508	508
509		-Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
510	510
511		-Final Payload is
512	512
513		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
	890	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
514	514
515		-1. Battery Info (2 bytes): Battery voltage
516		-1. PAYVER (1 byte): Defined by AT+PAYVER
517		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
518		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
519		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
520	520
521		-[[image:1653269916228-732.png||height="433" width="711"]]
	893	+(((
	894	+(% style="color:#4472c4" %)** AT+MBFUN**(%%) is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	895	+)))
522	522
	897	+(((
	898	+This command is valid since v1.3 firmware version
	899	+)))
523	523
524		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
	901	+(((
	902	+AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	903	+)))
525	525
526		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	905	+(((
	906	+
	907	+)))
527	527
528		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	909	+(((
	910	+**Example:**
	911	+)))
529	529
530		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	913	+* (((
	914	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	915	+)))
	916	+* (((
	917	+AT+COMMAND1= 01 03 00 10 00 08,1  ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
	918	+)))
	919	+* (((
	920	+AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
531	531
532		-Below are the uplink payloads:
	922	+
	923	+)))
533	533
534		-[[image:1653270130359-810.png]]
	925	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
535	535
	927	+(% title="Click and drag to resize" %)​
536	536
537		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	929	+(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
538	538
539		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	931	+* (((
	932	+(% style="color:#037691" %)**Downlink Command:**
	933	+)))
540	540
541		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	935	+**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
542	542
543		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
544	544
545		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	938	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
546	546
547		-=== 3.3.5 Uplink on demand ===
548	548
549		-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.
	941	+(((
	942	+Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
	943	+)))
550	550
551		-Downlink control command:
	945	+(((
	946	+Default value: 0, range:  0 ~~ 65 seconds
	947	+)))
552	552
553		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	949	+(((
	950	+* (% style="color:#037691" %)** AT Command:**
554	554
555		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	952	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	953	+)))
556	556
	955	+(((
	956	+
557	557
	958	+**Example:**
	959	+)))
558	558
559		-1.
560		-11.
561		-111. Uplink on Interrupt
	961	+(((
	962	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	963	+)))
562	562
563		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	965	+(((
	966	+
	967	+)))
564	564
565		-AT+INTMOD=0  Disable Interrupt
	969	+* (((
	970	+(% style="color:#037691" %)** Downlink Payload:**
	971	+)))
566	566
567		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	973	+(((
	974	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
	975	+)))
568	568
569		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	977	+(((
	978	+
570	570
571		-AT+INTMOD=3  Interrupt trigger by rising edge.
	980	+**Example:**
	981	+)))
572	572
	983	+(((
	984	+**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	985	+)))
573	573
574		-1.
575		-11. Uplink Payload
576	576
577		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
578		-|Value|(((
579		-Battery(mV)
580	580
581		-&
	989	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
582	582
583		-Interrupt _Flag
584		-)))|(((
585		-PAYLOAD_VER
586	586
	992	+(((
	993	+Define to use one uplink or multiple uplinks for the sampling.
	994	+)))
	995	+
	996	+(((
	997	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	998	+
587	587
588		-)))|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.
	1000	+)))
589	589
590		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	1002	+(((
	1003	+* (% style="color:#037691" %)** AT Command:**
591	591
	1005	+(% style="color:#4472c4" %)** AT+DATAUP=0**
592	592
593		-function Decoder(bytes, port) {
	1007	+(% style="color:#4472c4" %)** AT+DATAUP=1**
594	594
595		-~/~/Payload Formats of RS485-BL Deceive
	1009	+
	1010	+)))
596	596
597		-return {
	1012	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
598	598
599		- ~/~/Battery,units:V
	1014	+Each uplink is sent to the server at 20-second intervals when segmented.
600	600
601		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
602	602
603		- ~/~/GPIO_EXTI
	1017	+* (((
	1018	+(% style="color:#037691" %)** Downlink Payload:**
	1019	+)))
604	604
605		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	1021	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
606	606
607		- ~/~/payload of version
	1023	+(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
608	608
609		- Pay_ver:bytes[2],
610	610
611		- };
	1026	+(Since firmware v1.4.0)
612	612
613		- }
	1028	+* (((
	1029	+(% style="color:#037691" %)** AT Command:**
	1030	+)))
614	614
	1032	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
615	615
616	616
	1035	+* (((
	1036	+(% style="color:#037691" %)** Downlink Payload:**
	1037	+)))
617	617
	1039	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
618	618
	1041	+Each uplink is sent to the server at 20-second intervals when segmented.
619	619
620	620
621		-TTN V3 uplink screen shot.
	1044	+==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
622	622
623		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
624	624
625		-1.
626		-11. Configure RS485-BL via AT or Downlink
	1047	+AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
627	627
628		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	1049	+When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
629	629
630		-There are two kinds of Commands:
	1051	+When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
631	631
632		-* **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
633	633
634		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	1054	+* (((
	1055	+(% style="color:#037691" %)** AT Command:**
	1056	+)))
635	635
636		-1.
637		-11.
638		-111. Common Commands:
	1058	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
639	639
640		-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]]
	1060	+(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
641	641
642	642
643		-1.
644		-11.
645		-111. Sensor related commands:
	1063	+(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
646	646
647		-==== Choose Device Type (RS485 or TTL) ====
648	648
649		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	1066	+(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
650	650
651		-* AT Command
652	652
653		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	1069	+* (((
	1070	+(% style="color:#037691" %)** Downlink Payload:**
	1071	+)))
654	654
655		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	1073	+//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
656	656
	1075	+// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
657	657
658		-* Downlink Payload
	1077	+//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
659	659
660		-**0A aa**     à same as AT+MOD=aa
	1079	+//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
661	661
662	662
	1082	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
663	663
664		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
665	665
666		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	1085	+(((
	1086	+Ask device to send an uplink immediately.
	1087	+)))
667	667
668		-* AT Command
	1089	+* (((
	1090	+(% style="color:#037691" %)** AT Command:**
	1091	+)))
669	669
670		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	1093	+(((
	1094	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1095	+)))
671	671
672		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	1097	+(((
	1098	+
	1099	+)))
673	673
	1101	+* (((
	1102	+(% style="color:#037691" %)** Downlink Payload:**
	1103	+)))
674	674
	1105	+(((
	1106	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1107	+)))
675	675
676		-* Downlink Payload
677	677
678		-Format: A8 MM NN XX XX XX XX YY
679	679
680		-Where:
	1111	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
681	681
682		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
683		-* NN: The length of RS485 command
684		-* XX XX XX XX: RS485 command total NN bytes
685		-* 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
686	686
687		-**Example 1:**
	1114	+(((
	1115	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
688	688
689		-To connect a Modbus Alarm with below commands.
	1117	+
	1118	+)))
690	690
691		-* 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.
	1120	+* (((
	1121	+(% style="color:#037691" %)** AT Command:**
	1122	+)))
692	692
693		-* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	1124	+(((
	1125	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1126	+)))
694	694
695		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	1128	+(((
	1129	+
696	696
697		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	1131	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1132	+)))
698	698
699		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	1134	+(((
	1135	+Example screen shot after clear all RS485 commands.
	1136	+)))
700	700
701		-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.
	1138	+(((
	1139	+
	1140	+)))
702	702
	1142	+(((
	1143	+The uplink screen shot is:
	1144	+)))
703	703
704		-**Example 2:**
	1146	+(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
705	705
706		-Check TTL Sensor return:
707	707
708		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1149	+* (((
	1150	+(% style="color:#037691" %)** Downlink Payload:**
	1151	+)))
709	709
	1153	+(((
	1154	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1155	+)))
710	710
711	711
712	712
713		-==== Set Payload version ====
	1159	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
714	714
715		-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.
716	716
717		-* AT Command:
	1162	+(((
	1163	+Set the Rs485 serial communication parameters:
	1164	+)))
718	718
719		-AT+PAYVER: Set PAYVER field = 1
	1166	+(((
	1167	+(% style="color:#037691" %)**AT Command:**
	1168	+)))
720	720
	1170	+(((
	1171	+* Set Baud Rate
	1172	+)))
721	721
722		-* Downlink Payload:
	1174	+(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
723	723
724		-0xAE 01   à Set PAYVER field =  0x01
725	725
726		-0xAE 0F   à Set PAYVER field =  0x0F
	1177	+(((
	1178	+* Set UART Parity
	1179	+)))
727	727
	1181	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
728	728
729		-==== Set RS485 Sampling Commands ====
730	730
731		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	1184	+(((
	1185	+* Set STOPBIT
	1186	+)))
732	732
733		-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]].
	1188	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
734	734
735	735
736		-* AT Command:
	1191	+(((
	1192	+(% style="color:#037691" %)**Downlink Payload:**
	1193	+)))
737	737
738		-AT+COMMANDx: Configure RS485 read command to sensor.
	1195	+(((
	1196	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1197	+)))
739	739
740		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	1199	+(((
	1200	+**Example:**
	1201	+)))
741	741
742		-AT+SEARCHx: Configure search command
	1203	+* (((
	1204	+A7 01 00 60  same as AT+BAUDR=9600
	1205	+)))
	1206	+* (((
	1207	+A7 01 04 80  same as AT+BAUDR=115200
	1208	+)))
743	743
	1210	+(((
	1211	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1212	+)))
744	744
745		-* Downlink Payload:
	1214	+(((
	1215	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1216	+)))
746	746
747		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
748	748
749		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
750	750
751		-Format: AF MM NN LL XX XX XX XX YY
752	752
753		-Where:
	1221	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
754	754
755		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
756		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
757		-* LL: The length of AT+COMMAND or AT+DATACUT command
758		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
759		-* 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.
760	760
761		-Example:
	1224	+* (((
	1225	+(% style="color:#037691" %)** AT Command:**
	1226	+)))
762	762
763		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	1228	+(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
764	764
765		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	1230	+(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
766	766
767		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	1232	+* (((
	1233	+(% style="color:#037691" %)**Downlink Payload:**
	1234	+)))
768	768
	1236	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
769	769
770		-0xAB downlink command can be used for set AT+SEARCHx
	1238	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
771	771
772		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
773	773
774		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
775		-* 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
776	776
777		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	1242	+==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
778	778
	1244	+(((
	1245	+
	1246	+)))
779	779
780		-==== Fast command to handle MODBUS device ====
	1248	+* (((
	1249	+(% style="color:#037691" %)** AT Command:**
	1250	+)))
781	781
782		-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]].
	1252	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
783	783
784		-This command is valid since v1.3 firmware version
	1254	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
785	785
786	786
787		-AT+MBFUN has only two value:
788	788
789		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	1258	+==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
790	790
791		-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.
792	792
793		-* AT+MBFUN=0: Disable Modbus fast reading.
	1261	+* (((
	1262	+(% style="color:#037691" %)** AT Command:**
	1263	+)))
794	794
795		-Example:
	1265	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
796	796
797		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
798		-* 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.
799		-* 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.
	1267	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
800	800
801		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
802	802
803	803
804		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1271	+==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
805	805
806	806
807		-* Downlink Commands:
	1274	+* (((
	1275	+(% style="color:#037691" %)** AT Command:**
	1276	+)))
808	808
809		-A9 aa -à Same as AT+MBFUN=aa
	1278	+(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
810	810
	1280	+(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
811	811
812		-==== RS485 command timeout ====
813	813
814		-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.
815	815
816		-Default value: 0, range:  0 ~~ 5 seconds
	1284	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
817	817
818	818
819		-* AT Command:
	1287	+* (((
	1288	+(% style="color:#037691" %)** AT Command:**
	1289	+)))
820	820
821		-AT+CMDDLaa=hex(bb cc)
	1291	+ (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
822	822
823		-Example:
	1293	+ (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
824	824
825		-**AT+CMDDL1=1000** to send the open time to 1000ms
826	826
	1296	+* (((
	1297	+(% style="color:#037691" %)** Downlink Payload:**
	1298	+)))
827	827
828		-* Downlink Payload:
	1300	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
829	829
830		-0x AA aa bb cc
831	831
832		-Same as: AT+CMDDLaa=hex(bb cc)
833	833
834		- Example:
	1304	+==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
835	835
836		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
837	837
	1307	+* (((
	1308	+(% style="color:#037691" %)** AT Command:**
	1309	+)))
838	838
839		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1311	+(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
840	840
841		-Define to use one uplink or multiple uplinks for the sampling.
	1313	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
842	842
843		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
844	844
845		-* AT Command:
	1316	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
846	846
847		-AT+DATAUP=0
	1318	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
848	848
849		-AT+DATAUP=1
850	850
851	851
852		-* Downlink Payload:
	1322	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
853	853
854		-0xAD 00   à Same as AT+DATAUP=0
	1324	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
855	855
856		-0xAD 01   à Same as AT+DATAUP=1
857	857
858	858
859		-==== Manually trigger an Uplink ====
	1328	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
860	860
861		-Ask device to send an uplink immediately.
862	862
863		-* Downlink Payload:
	1331	+(((
	1332	+* (% style="color:#037691" %)**Downlink Payload:**
864	864
865		-0x08 FF, RS485-BL will immediately send an uplink.
	1334	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1335	+)))
866	866
867	867
868		-==== Clear RS485 Command ====
	1338	+Example：
869	869
870		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
871	871
	1341	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
872	872
873		-* AT Command:
874	874
875		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
876	876
877		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1345	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
878	878
879		-Example screen shot after clear all RS485 commands.
880	880
	1348	+* (((
	1349	+(% style="color:#037691" %)** AT Command:**
	1350	+)))
881	881
	1352	+(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
882	882
883		-The uplink screen shot is:
	1354	+(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
884	884
885		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1356	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
886	886
887	887
888		-* Downlink Payload:
	1359	+* (((
	1360	+(% style="color:#037691" %)**Downlink Payload:**
	1361	+)))
889	889
890		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1363	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
891	891
	1365	+[[image:image-20220824144240-1.png]]
892	892
893		-==== Set Serial Communication Parameters ====
894	894
895		-Set the Rs485 serial communication parameters:
	1368	+== 3.6 Listening mode for RS485 network ==
896	896
897		-* AT Command:
898	898
899		-Set Baud Rate:
	1371	+(((
	1372	+This feature support since firmware v1.4
	1373	+)))
900	900
901		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1375	+(((
	1376	+RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
902	902
	1378	+
	1379	+)))
903	903
904		-Set UART parity
	1381	+(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
905	905
906		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1383	+(% title="Click and drag to resize" %)​
907	907
	1385	+(((
	1386	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1387	+)))
908	908
909		-Set STOPBIT
	1389	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1390	+|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
	1391	+**Command example**
	1392	+)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
	1393	+**Function**
	1394	+)))
	1395	+|(% style="width:156px" %)(((
	1396	+AT+RXMODE=1,10
	1397	+)))|(% style="width:352px" %)(((
	1398	+Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	1399	+)))
	1400	+|(% style="width:156px" %)(((
	1401	+AT+RXMODE=2,500
	1402	+)))|(% style="width:352px" %)(((
	1403	+Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	1404	+)))
	1405	+|(% style="width:156px" %)(((
	1406	+AT+RXMODE=0,0
	1407	+)))|(% style="width:352px" %)(((
	1408	+Disable listening mode. This is the default settings.
	1409	+)))
	1410	+|(% style="width:156px" %)(((
	1411	+
	1412	+)))|(% style="width:352px" %)(((
	1413	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1414	+)))
910	910
911		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1416	+(((
	1417	+
912	912
	1419	+(% style="color:#037691" %)**Downlink Command:**
	1420	+)))
913	913
914		-* Downlink Payload:
	1422	+(((
	1423	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1424	+)))
915	915
916		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1426	+(((
	1427	+
	1428	+)))
917	917
918		-Example:
	1430	+(((
	1431	+**Example**:
	1432	+)))
919	919
920		-* A7 01 00 60   same as AT+BAUDR=9600
921		-* A7 01 04 80  same as AT+BAUDR=115200
	1434	+(((
	1435	+The RS485-LN is set to AT+RXMODE=2,1000
	1436	+)))
922	922
923		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1438	+(((
	1439	+There is a two Modbus commands in the RS485 network as below:
	1440	+)))
924	924
925		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1442	+(((
	1443	+The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
	1444	+)))
926	926
	1446	+(((
	1447	+And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
	1448	+)))
927	927
928		-==== Control output power duration ====
	1450	+(((
	1451	+RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b  **(% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
929	929
930		-User can set the output power duration before each sampling.
	1453	+
	1454	+)))
931	931
932		-* AT Command:
	1456	+(((
	1457	+(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1458	+)))
933	933
934		-Example:
935	935
936		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
937	937
938		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1462	+(((
	1463	+(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
	1464	+)))
939	939
940	940
941		-* LoRaWAN Downlink Command:
	1467	+== 3.7 Buttons ==
942	942
943		-07 01 aa bb  Same as AT+5VT=(aa bb)
944	944
945		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1470	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1471	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1472	+|(% style="width:50px" %)ACT|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
	1473	+|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
	1474	+|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
946	946
	1476	+== 3.8 LEDs ==
947	947
948	948
	1479	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
	1480	+|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
	1481	+|PWR|Always on if there is power
	1482	+|SYS|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
949	949
950		-1.
951		-11. Buttons
	1484	+= 4. Case Study =
952	952
953		-|**Button**|**Feature**
954		-|**RST**|Reboot RS485-BL
955	955
956		-1.
957		-11. +3V3 Output
	1487	+User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
958	958
959		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
960	960
961		-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.
	1490	+= 5. Use AT Command =
962	962
	1492	+== 5.1 Access AT Command ==
963	963
964		-The +3V3 output time can be controlled by AT Command.
965	965
966		-**AT+3V3T=1000**
	1495	+(((
	1496	+RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
967	967
968		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1498	+
	1499	+)))
969	969
	1501	+(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
970	970
971		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
972	972
973	973
974		-1.
975		-11. +5V Output
	1505	+(((
	1506	+In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
976	976
977		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1508	+
	1509	+)))
978	978
979		-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.
	1511	+(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
980	980
981	981
982		-The 5V output time can be controlled by AT Command.
	1514	+(((
	1515	+More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1516	+)))
983	983
984		-**AT+5VT=1000**
985	985
986		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1519	+== 5.2 Common AT Command Sequence ==
987	987
	1521	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
988	988
989		-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.
990	990
	1524	+If device has not joined network yet:
991	991
	1526	+* (% style="color:#037691" %)**AT+FDR**
	1527	+* (% style="color:#037691" %)**AT+NJM=0**
	1528	+* (% style="color:#037691" %)**ATZ**
992	992
	1530	+(((
	1531	+
993	993
994		-1.
995		-11. LEDs
	1533	+If device already joined network:
996	996
997		-|**LEDs**|**Feature**
998		-|**LED1**|Blink when device transmit a packet.
	1535	+* (% style="color:#037691" %)**AT+NJM=0**
	1536	+* (% style="color:#037691" %)**ATZ**
	1537	+)))
999	999
1000		-1.
1001		-11. Switch Jumper
1002	1002
1003		-|**Switch Jumper**|**Feature**
1004		-|**SW1**|(((
1005		-ISP position: Upgrade firmware via UART
1006	1006
1007		-Flash position: Configure device, check running status.
	1541	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1542	+
	1543	+
	1544	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1545	+
	1546	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
	1547	+
	1548	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
	1549	+
	1550	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
	1551	+
	1552	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1553	+
	1554	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
	1555	+
	1556	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1557	+
	1558	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1559	+
	1560	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1561	+
	1562	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1563	+
	1564	+
	1565	+(% style="color:red" %)**Note:**
	1566	+
	1567	+(((
	1568	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1569	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1570	+3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1571	+4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1572	+
	1573	+
1008	1008	)))
1009		-|**SW2**|(((
1010		-5V position: set to compatible with 5v I/O.
1011	1011
1012		-3.3v position: set to compatible with 3.3v I/O.,
	1576	+(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1577	+
	1578	+
	1579	+= 6. FAQ =
	1580	+
	1581	+== 6.1 How to upgrade the image? ==
	1582	+
	1583	+
	1584	+(((
	1585	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1013	1013	)))
1014	1014
1015		-+3.3V: is always ON
	1588	+* (((
	1589	+Support new features
	1590	+)))
	1591	+* (((
	1592	+For bug fix
	1593	+)))
	1594	+* (((
	1595	+Change LoRaWAN bands.
	1596	+)))
1016	1016
1017		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1598	+(((
	1599	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1600	+)))
1018	1018
1019		-1. Case Study
	1602	+(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1020	1020
1021		-User can check this URL for some case studies.
	1604	+(% title="Click and drag to resize" %)​
1022	1022
1023		-[[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]]
	1606	+(((
	1607	+(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1024	1024
	1609	+
	1610	+)))
1025	1025
	1612	+(((
	1613	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1026	1026
	1615	+
	1616	+)))
1027	1027
1028		-1. Use AT Command
1029		-11. Access AT Command
	1618	+(((
	1619	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1030	1030
1031		-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.
	1621	+
	1622	+)))
1032	1032
1033		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1624	+(((
	1625	+(((
	1626	+(((
	1627	+(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
	1628	+)))
	1629	+)))
	1630	+)))
1034	1034
1035	1035
1036		-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:
	1633	+(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1037	1037
1038		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1039	1039
	1636	+(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1040	1040
1041	1041
1042		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1639	+(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1043	1043
1044	1044
1045	1045
1046		-1.
1047		-11. Common AT Command Sequence
1048		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1643	+(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1049	1049
1050		-If device has not joined network yet:
	1645	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1051	1051
1052		-AT+FDR
1053	1053
1054		-AT+NJM=0
	1648	+(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1055	1055
1056		-ATZ
	1650	+(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1057	1057
1058	1058
1059		-If device already joined network:
	1653	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1060	1060
1061		-AT+NJM=0
1062	1062
1063		-ATZ
	1656	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1064	1064
1065		-1.
1066		-11.
1067		-111. Single-channel ABP mode (Use with LG01/LG02)
1068	1068
1069		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1659	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1070	1070
1071		-AT+NJM=0 Set to ABP mode
1072	1072
1073		-AT+ADR=0 Set the Adaptive Data Rate Off
	1662	+The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1074	1074
1075		-AT+DR=5  Set Data Rate
1076	1076
1077		-AT+TDC=60000  Set transmit interval to 60 seconds
	1665	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1078	1078
1079		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1080	1080
1081		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1668	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1082	1082
1083		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1670	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1084	1084
1085		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1086	1086
1087		-ATZ          Reset MCU
	1673	+== 6.5 Can i use point to point communication for RS485-LN? ==
1088	1088
1089		-**Note:**
1090	1090
1091		-1. Make sure the device is set to ABP mode in the IoT Server.
1092		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1093		-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.
1094		-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
	1676	+Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1095	1095
1096		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1097	1097
	1679	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1098	1098
1099		-1. FAQ
1100		-11. How to upgrade the image?
1101	1101
1102		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1682	+[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1103	1103
1104		-* Support new features
1105		-* For bug fix
1106		-* Change LoRaWAN bands.
1107	1107
1108		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1685	+== 6.7 How to judge whether there is a problem with the set COMMAND ==
1109	1109
1110		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1687	+=== 6.7.1 Introduce: ===
1111	1111
1112		-**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]].
1113	1113
1114		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1690	+Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1115	1115
1116		-**Step3: **Open flashloader; choose the correct COM port to update.
	1692	+1. Test if Modbus-MTU works with PC commands.
	1693	+1. Check if RS485-LN sent the expected command to Mobus-MTU
	1694	+1. Check if Modbus-MTU return back the expected result to RS485-LN.
	1695	+1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1117	1117
	1697	+[[image:image-20221130104310-1.png||height="380" width="680"]]
1118	1118
1119		-|(((
1120		-HOLD PRO then press the RST button, SYS will be ON, then click next
1121		-)))
1122	1122
1123		-|(((
1124		-Board detected
1125		-)))
	1700	+Example Connection:
1126	1126
1127		-|(((
1128		-
1129		-)))
	1702	+[[image:image-20221130104310-2.png]]
1130	1130
1131		-[[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]]
1132	1132
	1705	+=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1133	1133
1134	1134
1135		-[[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]]
	1708	+(% style="color:red" %)**Note: Receive and send set to hex mode**
1136	1136
	1710	+[[image:image-20221130104310-3.png||height="616" width="714"]]
1137	1137
1138		-[[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]]
1139	1139
	1713	+=== 6.7.3 With ModRSsim2: ===
1140	1140
1141		-1.
1142		-11. How to change the LoRa Frequency Bands/Region?
1143	1143
1144		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1716	+(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1145	1145
	1718	+[[image:image-20221130104310-4.png||height="390" width="865"]]
1146	1146
1147	1147
1148		-1.
1149		-11. How many RS485-Slave can RS485-BL connects?
	1721	+(% style="color:blue" %)**(2) Click the serial port icon**
1150	1150
1151		-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]].
	1723	+[[image:image-20221130104310-5.png||height="392" width="870"]]
1152	1152
1153	1153
	1726	+(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1154	1154
	1728	+[[image:image-20221130104310-6.png]]
1155	1155
1156		-1. Trouble Shooting
1157		-11. Downlink doesn’t work, how to solve it?
1158	1158
1159		-Please see this link for debug:
	1731	+(% style="color:blue" %)**(4) Click the comms.**
1160	1160
1161		-[[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]]
	1733	+[[image:image-20221130104310-7.png||height="376" width="835"]]
1162	1162
	1735	+(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
	1736	+**Run RS485-LN/BL command and monitor if it is correct.**
1163	1163
1164	1164
1165		-1.
1166		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1739	+=== 6.7.4 Example – Test the CFGDEV command ===
1167	1167
1168		-It might about the channels mapping. Please see for detail.
1169	1169
1170		-[[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]]
	1742	+RS485-LN sent below command:
1171	1171
	1744	+(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1172	1172
1173	1173
1174		-1. Order Info
	1747	+We can see the output from the Serial port tool to analyze. And check if they are expected result.
1175	1175
1176		-**Part Number: RS485-BL-XXX**
	1749	+[[image:image-20221130104310-8.png||height="214" width="797"]]
1177	1177
1178		-**XXX:**
1179	1179
1180		-* **EU433**: frequency bands EU433
1181		-* **EU868**: frequency bands EU868
1182		-* **KR920**: frequency bands KR920
1183		-* **CN470**: frequency bands CN470
1184		-* **AS923**: frequency bands AS923
1185		-* **AU915**: frequency bands AU915
1186		-* **US915**: frequency bands US915
1187		-* **IN865**: frequency bands IN865
1188		-* **RU864**: frequency bands RU864
1189		-* **KZ865: **frequency bands KZ865
	1752	+We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1190	1190
1191		-1. Packing Info
	1754	+[[image:image-20221130104310-9.png||height="531" width="729"]]
1192	1192
	1756	+
	1757	+=== 6.7.5 Example – Test CMD command sets. ===
	1758	+
	1759	+
	1760	+Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
	1761	+
	1762	+
	1763	+(% style="color:blue" %)**Serial port tool:**
	1764	+
	1765	+[[image:image-20221130104310-10.png||height="339" width="844"]]
	1766	+
	1767	+
	1768	+(% style="color:blue" %)**ModRSsim2:**
	1769	+
	1770	+[[image:image-20221130104310-11.png||height="281" width="962"]]
	1771	+
	1772	+
	1773	+=== 6.7.6 Test with PC ===
	1774	+
	1775	+
	1776	+If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
	1777	+
	1778	+
	1779	+Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
	1780	+
	1781	+(% style="color:blue" %)**Connection method：**
	1782	+
	1783	+[[image:image-20221130104310-12.png]]
	1784	+
	1785	+
	1786	+(% style="color:blue" %)**Link situation:**
	1787	+
	1788	+[[image:image-20221130104310-13.png||height="458" width="486"]]
	1789	+
	1790	+
	1791	+[[image:image-20221130104310-14.png||height="371" width="823"]]
	1792	+
	1793	+
	1794	+== 6.8 Where to get the decoder for RS485-LN? ==
	1795	+
	1796	+
	1797	+The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
	1798	+
	1799	+
	1800	+== 6.9 How to configure RS485 commands more conveniently？ ==
	1801	+
	1802	+
	1803	+Dragino has developed an application for the RS485 series of products.
	1804	+
	1805	+It can help you configure RS485 sensors more conveniently
	1806	+Please refer to the link below for specific usage：
	1807	+
	1808	+[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
	1809	+
	1810	+
	1811	+= 7. Trouble Shooting =
	1812	+
	1813	+== 7.1 Downlink doesn't work, how to solve it? ==
	1814	+
	1815	+
	1816	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1817	+
	1818	+
	1819	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1820	+
	1821	+
	1822	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1823	+
	1824	+
	1825	+= 8. Order Info =
	1826	+
	1827	+
	1828	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1829	+
	1830	+(% style="color:blue" %)**XXX:**
	1831	+
	1832	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1833	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1834	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1835	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1836	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1837	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1838	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1839	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1840	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1841	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1842	+
	1843	+= 9. Packing Info =
	1844	+
	1845	+
1193	1193	**Package Includes**:
1194	1194
1195		-* RS485-BL x 1
	1848	+* RS485-LN x 1
1196	1196	* Stick Antenna for LoRa RF part x 1
1197	1197	* Program cable x 1
1198	1198
...	...	@@ -1203,9 +1203,67 @@
1203	1203	* Package Size / pcs : 14.5 x 8 x 5 cm
1204	1204	* Weight / pcs : 170g
1205	1205
1206		-1. Support
	1859	+= 10. FCC Caution for RS485LN-US915 =
1207	1207
1208		-* 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.
1209		-* 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
1210	1210
1211		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1862	+(((
	1863	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1864	+)))
	1865	+
	1866	+(((
	1867	+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.
	1868	+)))
	1869	+
	1870	+(((
	1871	+
	1872	+)))
	1873	+
	1874	+(((
	1875	+(% style="color:red" %)**IMPORTANT NOTE:**
	1876	+)))
	1877	+
	1878	+(((
	1879	+(% 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:
	1880	+)))
	1881	+
	1882	+(((
	1883	+—Reorient or relocate the receiving antenna.
	1884	+)))
	1885	+
	1886	+(((
	1887	+—Increase the separation between the equipment and receiver.
	1888	+)))
	1889	+
	1890	+(((
	1891	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1892	+)))
	1893	+
	1894	+(((
	1895	+—Consult the dealer or an experienced radio/TV technician for help.
	1896	+)))
	1897	+
	1898	+(((
	1899	+
	1900	+)))
	1901	+
	1902	+(((
	1903	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1904	+)))
	1905	+
	1906	+(((
	1907	+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.
	1908	+)))
	1909	+
	1910	+
	1911	+= 11. Support =
	1912	+
	1913	+
	1914	+* (((
	1915	+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.
	1916	+)))
	1917	+* (((
	1918	+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]].
	1919	+
	1920	+
	1921	+
	1922	+)))

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