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.karry

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	4	+[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
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	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
	13	+
	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
11	11
12	12
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13	13
14	14
15		-= 1.Introduction =
16	16
	27	+
	28	+
	29	+
	30	+
	31	+= 1. Introduction =
	32	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18	18
	35	+
19	19	(((
20		-(((
21	21	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
23	23
24	24	(((
25		-RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	41	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
26	26	)))
27	27
28	28	(((
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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
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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
...	...	@@ -289,909 +289,1529 @@
289	289	)))
290	290	)))
291	291
	350	+=== 3.3.3 Configure sensors ===
292	292
293		-=== 3.3.2 Configure sensors ===
294	294
295	295	(((
296		-(((
297		-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.
298	298	)))
299		-)))
300	300
301		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303		-|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	+(((
304	304	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	362	+)))
305	305
	364	+(((
306	306	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	366	+)))
307	307
	368	+(((
308	308	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309		-)))|(% 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
310	310
	373	+=== 3.3.4 Configure read commands for each sampling ===
311	311
312	312
313		-=== 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.
314	314
	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	+
315	315	(((
316		-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	+
317	317	)))
318	318
319	319	(((
320		-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	+
321	321	)))
322	322
323	323	(((
324		-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**.
325	325	)))
326	326
327	327	(((
328		-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**
329	329	)))
330	330
331	331	(((
332		-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	+
333	333	)))
334	334
	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	+
335	335	(((
336		-**Command from RS485-BL to Sensor:**
	599	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
337	337	)))
338	338
339	339	(((
340		-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:
341	341	)))
342	342
	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	+
343	343	(((
344		-**Handle return from sensors to RS485-BL**:
	615	+
345	345	)))
346	346
	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	+
347	347	(((
348		-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**.
349	349	)))
350	350
351		-* (((
352		-**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
353	353	)))
	655	+)))
354	354
355	355	(((
356		-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	+
357	357	)))
358	358
359	359	* (((
360		-**AT+SEARCH**
	662	+(% style="color:#037691" %)**Downlink Payload**
361	361	)))
362	362
363	363	(((
364		-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**
365	365	)))
366	366
367	367	(((
368		-**Define wait timeout:**
	670	+Where:
369	369	)))
370	370
	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	+* (((
371	371	(((
372		-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,
373	373	)))
374	374
	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	+
375	375	(((
376		-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)
377	377	)))
378	378
379		-**Examples:**
	704	+(((
	705	+To connect a Modbus Alarm with below commands.
	706	+)))
380	380
381		-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	+)))
382	382
383		-**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	+)))
384	384
385		-(% border="1" class="table-bordered" %)
386		-|(((
387		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	716	+(((
	717	+
388	388
389		-**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	+)))
390	390
391		-**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
392	392	)))
393	393
394	394	(((
395		-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
396	396	)))
397	397
398	398	(((
399		-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.
400	400	)))
401	401
402	402	(((
403		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
	735	+
404	404	)))
405	405
406		-(% border="1" class="table-bordered" %)
407		-|(((
408		-**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	+)))
409	409
410		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
411		-* **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	+)))
412	412
	746	+(((
413	413
414	414	)))
415	415
416		-**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	+)))
417	417
418		-~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	+)))
419	419
420		-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	+)))
421	421
422		-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**
423	423
424		-[[image:1653269403619-508.png]]
425	425
426		-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**(%%) ====
427	427
428		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
429	429
430		-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	+)))
431	431
432		-[[image:1653269438444-278.png]]
	771	+(((
	772	+* (% style="color:#037691" %)**AT Command:**
433	433
434		-**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
435	435
436		-|(((
437		-**AT+DATACUTx=a,b,c**
	776	+
	777	+)))
438	438
439		-* **a: length for the return of AT+COMMAND**
440		-* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
441		-* **c: define the position for valid value.  **
	779	+* (((
	780	+(% style="color:#037691" %)**Downlink Payload:**
442	442	)))
443	443
444		-Examples:
	783	+(((
	784	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	785	+)))
445	445
446		-* Grab bytes:
	787	+(((
	788	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	789	+)))
447	447
448		-[[image:1653269551753-223.png||height="311" width="717"]]
449	449
450		-* 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)**
451	451
452		-[[image:1653269568276-930.png||height="325" width="718"]]
453	453
454		-* Grab different sections.
	795	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
455	455
456		-[[image:1653269593172-426.png||height="303" width="725"]]
457	457
458		-(% style="color:red" %)**Note:**
459	459
460		-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.**
461	461
462		-Example:
463	463
464		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	802	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
465	465
466		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
467	467
468		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
469	469
470		-(% 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**(%%) ====
471	471
472		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
473	473
474		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
	809	+(((
	810	+AT+COMMANDx or AT+DATACUTx
	811	+)))
475	475
476		-[[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	+)))
477	477
478		-=== 3.3.4 Compose the uplink payload ===
	817	+(((
	818	+
	819	+)))
479	479
	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	+
480	480	(((
481		-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	+
482	482	)))
483	483
484	484	(((
485		-(% 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	+
486	486	)))
487	487
488	488	(((
489		-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**
490	490	)))
491	491
492	492	(((
493		-Final Payload is
	851	+Where:
494	494	)))
495	495
	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	+
496	496	(((
497		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	871	+
	872	+
	873	+**Example:**
498	498	)))
499	499
500	500	(((
501		-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
502	502	)))
503	503
504		-[[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	+)))
505	505
506		-(% 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	+)))
507	507
508		-Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
509	509
510		-Final Payload is
511	511
512		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
	890	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
513	513
514		-1. Battery Info (2 bytes): Battery voltage
515		-1. PAYVER (1 byte): Defined by AT+PAYVER
516		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
517		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
518		-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
519	519
520		-[[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	+)))
521	521
	897	+(((
	898	+This command is valid since v1.3 firmware version
	899	+)))
522	522
523		-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	+)))
524	524
525		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	905	+(((
	906	+
	907	+)))
526	526
527		-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	+)))
528	528
529		-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.
530	530
531		-Below are the uplink payloads:
	922	+
	923	+)))
532	532
533		-[[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"]]
534	534
	927	+(% title="Click and drag to resize" %)​
535	535
536		-(% 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" %)​
537	537
538		- ~* 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	+)))
539	539
540		- * 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
541	541
542		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
543	543
544		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	938	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
545	545
546		-=== 3.3.5 Uplink on demand ===
547	547
548		-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	+)))
549	549
550		-Downlink control command:
	945	+(((
	946	+Default value: 0, range:  0 ~~ 65 seconds
	947	+)))
551	551
552		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	949	+(((
	950	+* (% style="color:#037691" %)** AT Command:**
553	553
554		-[[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	+)))
555	555
	955	+(((
	956	+
556	556
	958	+**Example:**
	959	+)))
557	557
558		-1.
559		-11.
560		-111. Uplink on Interrupt
	961	+(((
	962	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	963	+)))
561	561
562		-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	+)))
563	563
564		-AT+INTMOD=0  Disable Interrupt
	969	+* (((
	970	+(% style="color:#037691" %)** Downlink Payload:**
	971	+)))
565	565
566		-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	+)))
567	567
568		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	977	+(((
	978	+
569	569
570		-AT+INTMOD=3  Interrupt trigger by rising edge.
	980	+**Example:**
	981	+)))
571	571
	983	+(((
	984	+**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	985	+)))
572	572
573		-1.
574		-11. Uplink Payload
575	575
576		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
577		-|Value|(((
578		-Battery(mV)
579	579
580		-&
	989	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
581	581
582		-Interrupt _Flag
583		-)))|(((
584		-PAYLOAD_VER
585	585
	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	+
586	586
587		-)))|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	+)))
588	588
589		-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:**
590	590
	1005	+(% style="color:#4472c4" %)** AT+DATAUP=0**
591	591
592		-function Decoder(bytes, port) {
	1007	+(% style="color:#4472c4" %)** AT+DATAUP=1**
593	593
594		-~/~/Payload Formats of RS485-BL Deceive
	1009	+
	1010	+)))
595	595
596		-return {
	1012	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
597	597
598		- ~/~/Battery,units:V
	1014	+Each uplink is sent to the server at 20-second intervals when segmented.
599	599
600		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
601	601
602		- ~/~/GPIO_EXTI
	1017	+* (((
	1018	+(% style="color:#037691" %)** Downlink Payload:**
	1019	+)))
603	603
604		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	1021	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
605	605
606		- ~/~/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.
607	607
608		- Pay_ver:bytes[2],
609	609
610		- };
	1026	+(Since firmware v1.4.0)
611	611
612		- }
	1028	+* (((
	1029	+(% style="color:#037691" %)** AT Command:**
	1030	+)))
613	613
	1032	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
614	614
615	615
	1035	+* (((
	1036	+(% style="color:#037691" %)** Downlink Payload:**
	1037	+)))
616	616
	1039	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
617	617
	1041	+Each uplink is sent to the server at 20-second intervals when segmented.
618	618
619	619
620		-TTN V3 uplink screen shot.
	1044	+==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
621	621
622		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
623	623
624		-1.
625		-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.
626	626
627		-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.
628	628
629		-There are two kinds of Commands:
	1051	+When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
630	630
631		-* **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
632	632
633		-* **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	+)))
634	634
635		-1.
636		-11.
637		-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.
638	638
639		-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**//
640	640
641	641
642		-1.
643		-11.
644		-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.
645	645
646		-==== Choose Device Type (RS485 or TTL) ====
647	647
648		-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.
649	649
650		-* AT Command
651	651
652		-**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	+)))
653	653
654		-**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**//
655	655
	1075	+// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
656	656
657		-* Downlink Payload
	1077	+//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
658	658
659		-**0A aa**     à same as AT+MOD=aa
	1079	+//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
660	660
661	661
	1082	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
662	662
663		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
664	664
665		-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	+)))
666	666
667		-* AT Command
	1089	+* (((
	1090	+(% style="color:#037691" %)** AT Command:**
	1091	+)))
668	668
669		-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	+)))
670	670
671		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	1097	+(((
	1098	+
	1099	+)))
672	672
	1101	+* (((
	1102	+(% style="color:#037691" %)** Downlink Payload:**
	1103	+)))
673	673
	1105	+(((
	1106	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1107	+)))
674	674
675		-* Downlink Payload
676	676
677		-Format: A8 MM NN XX XX XX XX YY
678	678
679		-Where:
	1111	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
680	680
681		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
682		-* NN: The length of RS485 command
683		-* XX XX XX XX: RS485 command total NN bytes
684		-* 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
685	685
686		-**Example 1:**
	1114	+(((
	1115	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
687	687
688		-To connect a Modbus Alarm with below commands.
	1117	+
	1118	+)))
689	689
690		-* 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	+)))
691	691
692		-* 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	+)))
693	693
694		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	1128	+(((
	1129	+
695	695
696		-**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	+)))
697	697
698		-**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	+)))
699	699
700		-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	+)))
701	701
	1142	+(((
	1143	+The uplink screen shot is:
	1144	+)))
702	702
703		-**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" %)​
704	704
705		-Check TTL Sensor return:
706	706
707		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1149	+* (((
	1150	+(% style="color:#037691" %)** Downlink Payload:**
	1151	+)))
708	708
	1153	+(((
	1154	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1155	+)))
709	709
710	710
711	711
712		-==== Set Payload version ====
	1159	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
713	713
714		-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.
715	715
716		-* AT Command:
	1162	+(((
	1163	+Set the Rs485 serial communication parameters:
	1164	+)))
717	717
718		-AT+PAYVER: Set PAYVER field = 1
	1166	+(((
	1167	+(% style="color:#037691" %)**AT Command:**
	1168	+)))
719	719
	1170	+(((
	1171	+* Set Baud Rate
	1172	+)))
720	720
721		-* 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
722	722
723		-0xAE 01   à Set PAYVER field =  0x01
724	724
725		-0xAE 0F   à Set PAYVER field =  0x0F
	1177	+(((
	1178	+* Set UART Parity
	1179	+)))
726	726
	1181	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
727	727
728		-==== Set RS485 Sampling Commands ====
729	729
730		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	1184	+(((
	1185	+* Set STOPBIT
	1186	+)))
731	731
732		-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
733	733
734	734
735		-* AT Command:
	1191	+(((
	1192	+(% style="color:#037691" %)**Downlink Payload:**
	1193	+)))
736	736
737		-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	+)))
738	738
739		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	1199	+(((
	1200	+**Example:**
	1201	+)))
740	740
741		-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	+)))
742	742
	1210	+(((
	1211	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1212	+)))
743	743
744		-* Downlink Payload:
	1214	+(((
	1215	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1216	+)))
745	745
746		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747	747
748		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
749	749
750		-Format: AF MM NN LL XX XX XX XX YY
751	751
752		-Where:
	1221	+==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
753	753
754		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
755		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
756		-* LL: The length of AT+COMMAND or AT+DATACUT command
757		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
758		-* 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.
759	759
760		-Example:
	1224	+* (((
	1225	+(% style="color:#037691" %)** AT Command:**
	1226	+)))
761	761
762		-**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
763	763
764		-**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
765	765
766		-**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	+)))
767	767
	1236	+(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
768	768
769		-0xAB downlink command can be used for set AT+SEARCHx
	1238	+(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
770	770
771		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
772	772
773		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
774		-* 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
775	775
776		-**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)**(%%) ====
777	777
	1244	+(((
	1245	+
	1246	+)))
778	778
779		-==== Fast command to handle MODBUS device ====
	1248	+* (((
	1249	+(% style="color:#037691" %)** AT Command:**
	1250	+)))
780	780
781		-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
782	782
783		-This command is valid since v1.3 firmware version
	1254	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
784	784
785	785
786		-AT+MBFUN has only two value:
787	787
788		-* 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)**(%%) ====
789	789
790		-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.
791	791
792		-* AT+MBFUN=0: Disable Modbus fast reading.
	1261	+* (((
	1262	+(% style="color:#037691" %)** AT Command:**
	1263	+)))
793	793
794		-Example:
	1265	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
795	795
796		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
797		-* 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.
798		-* 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.
799	799
800		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
801	801
802	802
803		-[[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)**(%%) ====
804	804
805	805
806		-* Downlink Commands:
	1274	+* (((
	1275	+(% style="color:#037691" %)** AT Command:**
	1276	+)))
807	807
808		-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)
809	809
	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.
810	810
811		-==== RS485 command timeout ====
812	812
813		-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.
814	814
815		-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)**(%%) ====
816	816
817	817
818		-* AT Command:
	1287	+* (((
	1288	+(% style="color:#037691" %)** AT Command:**
	1289	+)))
819	819
820		-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)
821	821
822		-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.
823	823
824		-**AT+CMDDL1=1000** to send the open time to 1000ms
825	825
	1296	+* (((
	1297	+(% style="color:#037691" %)** Downlink Payload:**
	1298	+)))
826	826
827		-* Downlink Payload:
	1300	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
828	828
829		-0x AA aa bb cc
830	830
831		-Same as: AT+CMDDLaa=hex(bb cc)
832	832
833		- Example:
	1304	+==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
834	834
835		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
836	836
	1307	+* (((
	1308	+(% style="color:#037691" %)** AT Command:**
	1309	+)))
837	837
838		-==== [[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.
839	839
840		-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.
841	841
842		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
843	843
844		-* 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"]]
845	845
846		-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.
847	847
848		-AT+DATAUP=1
849	849
850	850
851		-* 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"]]
852	852
853		-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.
854	854
855		-0xAD 01   à Same as AT+DATAUP=1
856	856
857	857
858		-==== Manually trigger an Uplink ====
	1328	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
859	859
860		-Ask device to send an uplink immediately.
861	861
862		-* Downlink Payload:
	1331	+(((
	1332	+* (% style="color:#037691" %)**Downlink Payload:**
863	863
864		-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	+)))
865	865
866	866
867		-==== Clear RS485 Command ====
	1338	+Example：
868	868
869		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
870	870
	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"]]
871	871
872		-* AT Command:
873	873
874		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
875	875
876		-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)**(%%) ====
877	877
878		-Example screen shot after clear all RS485 commands.
879	879
	1348	+* (((
	1349	+(% style="color:#037691" %)** AT Command:**
	1350	+)))
880	880
	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.
881	881
882		-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.
883	883
884		-[[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)
885	885
886	886
887		-* Downlink Payload:
	1359	+* (((
	1360	+(% style="color:#037691" %)**Downlink Payload:**
	1361	+)))
888	888
889		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1363	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
890	890
	1365	+[[image:image-20220824144240-1.png]]
891	891
892		-==== Set Serial Communication Parameters ====
893	893
894		-Set the Rs485 serial communication parameters:
	1368	+== 3.6 Listening mode for RS485 network ==
895	895
896		-* AT Command:
897	897
898		-Set Baud Rate:
	1371	+(((
	1372	+This feature support since firmware v1.4
	1373	+)))
899	899
900		-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.
901	901
	1378	+
	1379	+)))
902	902
903		-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"]]
904	904
905		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1383	+(% title="Click and drag to resize" %)​
906	906
	1385	+(((
	1386	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1387	+)))
907	907
908		-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	+)))
909	909
910		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1416	+(((
	1417	+
911	911
	1419	+(% style="color:#037691" %)**Downlink Command:**
	1420	+)))
912	912
913		-* Downlink Payload:
	1422	+(((
	1423	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1424	+)))
914	914
915		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1426	+(((
	1427	+
	1428	+)))
916	916
917		-Example:
	1430	+(((
	1431	+**Example**:
	1432	+)))
918	918
919		-* A7 01 00 60   same as AT+BAUDR=9600
920		-* A7 01 04 80  same as AT+BAUDR=115200
	1434	+(((
	1435	+The RS485-LN is set to AT+RXMODE=2,1000
	1436	+)))
921	921
922		-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	+)))
923	923
924		-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	+)))
925	925
	1446	+(((
	1447	+And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
	1448	+)))
926	926
927		-==== 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**
928	928
929		-User can set the output power duration before each sampling.
	1453	+
	1454	+)))
930	930
931		-* 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	+)))
932	932
933		-Example:
934	934
935		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
936	936
937		-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	+)))
938	938
939	939
940		-* LoRaWAN Downlink Command:
	1467	+== 3.7 Buttons ==
941	941
942		-07 01 aa bb  Same as AT+5VT=(aa bb)
943	943
944		-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"]]
945	945
	1476	+== 3.8 LEDs ==
946	946
947	947
	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.
948	948
949		-1.
950		-11. Buttons
	1484	+= 4. Case Study =
951	951
952		-|**Button**|**Feature**
953		-|**RST**|Reboot RS485-BL
954	954
955		-1.
956		-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]]
957	957
958		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
959	959
960		-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 =
961	961
	1492	+== 5.1 Access AT Command ==
962	962
963		-The +3V3 output time can be controlled by AT Command.
964	964
965		-**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.
966	966
967		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1498	+
	1499	+)))
968	968
	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" %)​
969	969
970		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
971	971
972	972
973		-1.
974		-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:
975	975
976		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1508	+
	1509	+)))
977	977
978		-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" %)​
979	979
980	980
981		-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	+)))
982	982
983		-**AT+5VT=1000**
984	984
985		-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 ==
986	986
	1521	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
987	987
988		-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.
989	989
	1524	+If device has not joined network yet:
990	990
	1526	+* (% style="color:#037691" %)**AT+FDR**
	1527	+* (% style="color:#037691" %)**AT+NJM=0**
	1528	+* (% style="color:#037691" %)**ATZ**
991	991
	1530	+(((
	1531	+
992	992
993		-1.
994		-11. LEDs
	1533	+If device already joined network:
995	995
996		-|**LEDs**|**Feature**
997		-|**LED1**|Blink when device transmit a packet.
	1535	+* (% style="color:#037691" %)**AT+NJM=0**
	1536	+* (% style="color:#037691" %)**ATZ**
	1537	+)))
998	998
999		-1.
1000		-11. Switch Jumper
1001	1001
1002		-|**Switch Jumper**|**Feature**
1003		-|**SW1**|(((
1004		-ISP position: Upgrade firmware via UART
1005	1005
1006		-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	+
1007	1007	)))
1008		-|**SW2**|(((
1009		-5V position: set to compatible with 5v I/O.
1010	1010
1011		-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:
1012	1012	)))
1013	1013
1014		-+3.3V: is always ON
	1588	+* (((
	1589	+Support new features
	1590	+)))
	1591	+* (((
	1592	+For bug fix
	1593	+)))
	1594	+* (((
	1595	+Change LoRaWAN bands.
	1596	+)))
1015	1015
1016		-+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	+)))
1017	1017
1018		-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"]]
1019	1019
1020		-User can check this URL for some case studies.
	1604	+(% title="Click and drag to resize" %)​
1021	1021
1022		-[[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]].
1023	1023
	1609	+
	1610	+)))
1024	1024
	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]].
1025	1025
	1615	+
	1616	+)))
1026	1026
1027		-1. Use AT Command
1028		-11. Access AT Command
	1618	+(((
	1619	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1029	1029
1030		-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	+)))
1031	1031
1032		-[[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	+)))
1033	1033
1034	1034
1035		-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" %)​
1036	1036
1037		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1038	1038
	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" %)​
1039	1039
1040	1040
1041		-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" %)​
1042	1042
1043	1043
1044	1044
1045		-1.
1046		-11. Common AT Command Sequence
1047		-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):**
1048	1048
1049		-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]]
1050	1050
1051		-AT+FDR
1052	1052
1053		-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:**
1054	1054
1055		-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" %)​
1056	1056
1057	1057
1058		-If device already joined network:
	1653	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1059	1059
1060		-AT+NJM=0
1061	1061
1062		-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.
1063	1063
1064		-1.
1065		-11.
1066		-111. Single-channel ABP mode (Use with LG01/LG02)
1067	1067
1068		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1659	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1069	1069
1070		-AT+NJM=0 Set to ABP mode
1071	1071
1072		-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"]].
1073	1073
1074		-AT+DR=5  Set Data Rate
1075	1075
1076		-AT+TDC=60000  Set transmit interval to 60 seconds
	1665	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1077	1077
1078		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1079	1079
1080		-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.
1081	1081
1082		-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"]]
1083	1083
1084		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1085	1085
1086		-ATZ          Reset MCU
	1673	+== 6.5 Can i use point to point communication for RS485-LN? ==
1087	1087
1088		-**Note:**
1089	1089
1090		-1. Make sure the device is set to ABP mode in the IoT Server.
1091		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1092		-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.
1093		-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]].
1094	1094
1095		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1096	1096
	1679	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1097	1097
1098		-1. FAQ
1099		-11. How to upgrade the image?
1100	1100
1101		-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/]]
1102	1102
1103		-* Support new features
1104		-* For bug fix
1105		-* Change LoRaWAN bands.
1106	1106
1107		-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 ==
1108	1108
1109		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1687	+=== 6.7.1 Introduce: ===
1110	1110
1111		-**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]].
1112	1112
1113		-**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:
1114	1114
1115		-**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.
1116	1116
	1697	+[[image:image-20240816112950-1.png||height="382" width="731"]]
1117	1117
1118		-|(((
1119		-HOLD PRO then press the RST button, SYS will be ON, then click next
1120		-)))
1121	1121
1122		-|(((
1123		-Board detected
1124		-)))
	1700	+Example Connection:
1125	1125
1126		-|(((
1127		-
1128		-)))
	1702	+[[image:image-20221130104310-2.png]]
1129	1129
1130		-[[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]]
1131	1131
	1705	+=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1132	1132
1133	1133
1134		-[[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**
1135	1135
	1710	+[[image:image-20221130104310-3.png||height="616" width="714"]]
1136	1136
1137		-[[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]]
1138	1138
	1713	+=== 6.7.3 With ModRSsim2: ===
1139	1139
1140		-1.
1141		-11. How to change the LoRa Frequency Bands/Region?
1142	1142
1143		-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**
1144	1144
	1718	+[[image:image-20221130104310-4.png||height="390" width="865"]]
1145	1145
1146	1146
1147		-1.
1148		-11. How many RS485-Slave can RS485-BL connects?
	1721	+(% style="color:blue" %)**(2) Click the serial port icon**
1149	1149
1150		-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"]]
1151	1151
1152	1152
	1726	+(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1153	1153
	1728	+[[image:image-20221130104310-6.png]]
1154	1154
1155		-1. Trouble Shooting
1156		-11. Downlink doesn’t work, how to solve it?
1157	1157
1158		-Please see this link for debug:
	1731	+(% style="color:blue" %)**(4) Click the comms.**
1159	1159
1160		-[[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"]]
1161	1161
	1735	+(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
	1736	+**Run RS485-LN/BL command and monitor if it is correct.**
1162	1162
1163	1163
1164		-1.
1165		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1739	+=== 6.7.4 Example – Test the CFGDEV command ===
1166	1166
1167		-It might about the channels mapping. Please see for detail.
1168	1168
1169		-[[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:
1170	1170
	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.
1171	1171
1172	1172
1173		-1. Order Info
	1747	+We can see the output from the Serial port tool to analyze. And check if they are expected result.
1174	1174
1175		-**Part Number: RS485-BL-XXX**
	1749	+[[image:image-20221130104310-8.png||height="214" width="797"]]
1176	1176
1177		-**XXX:**
1178	1178
1179		-* **EU433**: frequency bands EU433
1180		-* **EU868**: frequency bands EU868
1181		-* **KR920**: frequency bands KR920
1182		-* **CN470**: frequency bands CN470
1183		-* **AS923**: frequency bands AS923
1184		-* **AU915**: frequency bands AU915
1185		-* **US915**: frequency bands US915
1186		-* **IN865**: frequency bands IN865
1187		-* **RU864**: frequency bands RU864
1188		-* **KZ865: **frequency bands KZ865
	1752	+We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1189	1189
1190		-1. Packing Info
	1754	+[[image:image-20221130104310-9.png||height="531" width="729"]]
1191	1191
	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 customers 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	+== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
	1826	+
	1827	+This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
	1828	+
	1829	+Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
	1830	+
	1831	+[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
	1832	+
	1833	+Example:
	1834	+
	1835	+[[image:image-20240620145456-1.png]]
	1836	+
	1837	+Please refer to the following command to fix DR
	1838	+
	1839	+AT+ADR=0
	1840	+
	1841	+AT+DR=3
	1842	+
	1843	+Downlink command:
	1844	+
	1845	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
	1846	+
	1847	+
	1848	+
	1849	+= 8. Order Info =
	1850	+
	1851	+
	1852	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1853	+
	1854	+(% style="color:blue" %)**XXX:**
	1855	+
	1856	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1857	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1858	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1859	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1860	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1861	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1862	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1863	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1864	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1865	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1866	+
	1867	+= 9. Packing Info =
	1868	+
	1869	+
1192	1192	**Package Includes**:
1193	1193
1194		-* RS485-BL x 1
	1872	+* RS485-LN x 1
1195	1195	* Stick Antenna for LoRa RF part x 1
1196	1196	* Program cable x 1
1197	1197
...	...	@@ -1202,9 +1202,67 @@
1202	1202	* Package Size / pcs : 14.5 x 8 x 5 cm
1203	1203	* Weight / pcs : 170g
1204	1204
1205		-1. Support
	1883	+= 10. FCC Caution for RS485LN-US915 =
1206	1206
1207		-* 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.
1208		-* 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
1209	1209
1210		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1886	+(((
	1887	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1888	+)))
	1889	+
	1890	+(((
	1891	+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.
	1892	+)))
	1893	+
	1894	+(((
	1895	+
	1896	+)))
	1897	+
	1898	+(((
	1899	+(% style="color:red" %)**IMPORTANT NOTE:**
	1900	+)))
	1901	+
	1902	+(((
	1903	+(% 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:
	1904	+)))
	1905	+
	1906	+(((
	1907	+—Reorient or relocate the receiving antenna.
	1908	+)))
	1909	+
	1910	+(((
	1911	+—Increase the separation between the equipment and receiver.
	1912	+)))
	1913	+
	1914	+(((
	1915	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1916	+)))
	1917	+
	1918	+(((
	1919	+—Consult the dealer or an experienced radio/TV technician for help.
	1920	+)))
	1921	+
	1922	+(((
	1923	+
	1924	+)))
	1925	+
	1926	+(((
	1927	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1928	+)))
	1929	+
	1930	+(((
	1931	+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.
	1932	+)))
	1933	+
	1934	+
	1935	+= 11. Support =
	1936	+
	1937	+
	1938	+* (((
	1939	+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.
	1940	+)))
	1941	+* (((
	1942	+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]].
	1943	+
	1944	+
	1945	+
	1946	+)))

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