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

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

Content

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1		-(% style="text-align:center" %)
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
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9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
20	20	(((
21		-The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
	37	+(((
	38	+
	39	+
	40	+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	)))
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23	23
24	24	(((
25		-RS485-LN allows user to 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.
	45	+(((
	46	+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.
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27	27
28	28	(((
29		-For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
	51	+(((
	52	+(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30	30	)))
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31	31
32	32	(((
33		-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.
	57	+(((
	58	+(% 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.
34	34	)))
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	62	+(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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35	35	)))
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36	36
37		-[[image:1653267211009-519.png||height="419" width="724"]]
	69	+(% 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" %)​
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	72	+
39	39	== 1.2 Specifications ==
40	40
	75	+
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
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44	44	* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46	46	** Idle: 32mA@12v
47		-
48		-*
49	49	** 20dB Transmit: 65mA@12v
50	50
51	51	**Interface for Model:**
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72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74	74	* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	108	+* Packet engine up to 256 bytes with CRC
76	76
	110	+
	111	+
77	77	== 1.3 Features ==
78	78
	114	+
79	79	* LoRaWAN Class A & Class C protocol (default Class C)
80	80	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
81	81	* AT Commands to change parameters
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85	85	* Support Modbus protocol
86	86	* Support Interrupt uplink (Since hardware version v1.2)
87	87
	124	+
	125	+
88	88	== 1.4 Applications ==
89	89
	128	+
90	90	* Smart Buildings & Home Automation
91	91	* Logistics and Supply Chain Management
92	92	* Smart Metering
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94	94	* Smart Cities
95	95	* Smart Factory
96	96
	136	+
	137	+
97	97	== 1.5 Firmware Change log ==
98	98
	140	+
99	99	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
100	100
	143	+
	144	+
101	101	== 1.6 Hardware Change log ==
102	102
	147	+
103	103	(((
104	104	(((
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105	105	v1.2: Add External Interrupt Pin.
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106	106
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107	107	v1.0: Release
108	108	)))
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109	109	)))
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110	110
111	111	= 2. Power ON Device =
112	112
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113	113	(((
114	114	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
115	115
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120	120	Once there is power, the RS485-LN will be on.
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
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125	125
126	126	= 3. Operation Mode =
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127	127
128	128	== 3.1 How it works? ==
129	129
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130	130	(((
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131	131	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.
132	132	)))
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	195	+
134	134	== 3.2 Example to join LoRaWAN network ==
135	135
	198	+
136	136	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.
137	137
138		-[[image:1653268155545-638.png||height="334" width="724"]]
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140	140	(((
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141	141	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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142	142
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143	143	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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144	144
145		-[[image:1653268227651-549.png||height="592" width="720"]]
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	215	+
147	147	(((
148		-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:
	217	+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:
149	149	)))
150	150
151	151	(((
152		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	221	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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160		-[[image:1652953462722-299.png]]
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162	162	(((
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164	164	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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167	167	(((
168		-Add APP EUI in the application.
	238	+**Add APP EUI in the application.**
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170	170	)))
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172		-[[image:image-20220519174512-1.png]]
	242	+(% 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" %)​
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174		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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176		-[[image:image-20220519174512-3.png||height="556" width="724"]]
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178		-[[image:image-20220519174512-4.png]]
	248	+(% 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"]](% title="Click and drag to resize" %)​
179	179
180	180	You can also choose to create the device manually.
181	181
182		-[[image:1652953542269-423.png||height="710" width="723"]]
	252	+(% 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" %)​
183	183
184		-Add APP KEY and DEV EUI
185	185
186		-[[image:1652953553383-907.png||height="514" width="724"]]
187	187
	256	+**Add APP KEY and DEV EUI**
188	188
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	259	+
	260	+
189	189	(((
190		-**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.
	262	+(% 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.
191	191	)))
192	192
193		-[[image:1652953568895-172.png||height="232" width="724"]]
	265	+(% 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" %)​
194	194
	267	+
	268	+
195	195	== 3.3 Configure Commands to read data ==
196	196
	271	+
197	197	(((
198	198	(((
199		-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.
	274	+(((
	275	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200	200	)))
	277	+)))
201	201
202	202	(((
203		-(% 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
	280	+(((
	281	+(% 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**
204	204	)))
	283	+
	284	+
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205	205	)))
	287	+)))
206	206
207		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	289	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
208	208
	291	+
209	209	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:
210	210
211		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212		-|(((
	294	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	295	+|=(% style="width: 110px;" %)(((
213	213	**AT Commands**
214		-)))|(% style="width:285px" %)(((
	297	+)))|=(% style="width: 190px;" %)(((
215	215	**Description**
216		-)))|(% style="width:347px" %)(((
	299	+)))|=(% style="width: 190px;" %)(((
217	217	**Example**
218	218	)))
219		-|(((
	302	+|(% style="width:110px" %)(((
220	220	AT+BAUDR
221		-)))|(% style="width:285px" %)(((
	304	+)))|(% style="width:190px" %)(((
222	222	Set the baud rate (for RS485 connection). Default Value is: 9600.
223		-)))|(% style="width:347px" %)(((
	306	+)))|(% style="width:190px" %)(((
224	224	(((
225	225	AT+BAUDR=9600
226	226	)))
...	...	@@ -229,11 +229,11 @@
229	229	Options: (1200,2400,4800,14400,19200,115200)
230	230	)))
231	231	)))
232		-|(((
	315	+|(% style="width:110px" %)(((
233	233	AT+PARITY
234		-)))|(% style="width:285px" %)(((
	317	+)))|(% style="width:190px" %)(((
235	235	Set UART parity (for RS485 connection)
236		-)))|(% style="width:347px" %)(((
	319	+)))|(% style="width:190px" %)(((
237	237	(((
238	238	AT+PARITY=0
239	239	)))
...	...	@@ -242,9 +242,9 @@
242	242	Option: 0: no parity, 1: odd parity, 2: even parity
243	243	)))
244	244	)))
245		-|(((
	328	+|(% style="width:110px" %)(((
246	246	AT+STOPBIT
247		-)))|(% style="width:285px" %)(((
	330	+)))|(% style="width:190px" %)(((
248	248	(((
249	249	Set serial stopbit (for RS485 connection)
250	250	)))
...	...	@@ -252,7 +252,7 @@
252	252	(((
253	253
254	254	)))
255		-)))|(% style="width:347px" %)(((
	338	+)))|(% style="width:190px" %)(((
256	256	(((
257	257	AT+STOPBIT=0 for 1bit
258	258	)))
...	...	@@ -266,148 +266,84 @@
266	266	)))
267	267	)))
268	268
	352	+
	353	+
269	269	=== 3.3.2 Configure sensors ===
270	270
	356	+
271	271	(((
272	272	(((
273		-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.
	359	+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.
	360	+
	361	+
274	274	)))
275	275	)))
276	276
277		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279		-|AT+CFGDEV|(% style="width:418px" %)(((
280		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
281		-
282		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
283		-
284		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286		-
287		-=== 3.3.3 Configure read commands for each sampling ===
288		-
	365	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	366	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	367	+|AT+CFGDEV|(% style="width:110px" %)(((
289	289	(((
290		-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.
	369	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
291	291	)))
292	292
293	293	(((
294		-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.
	373	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
295	295	)))
296	296
297	297	(((
298		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	377	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
299	299	)))
	379	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
300	300
301		-(((
302		-This section describes how to achieve above goals.
303		-)))
304	304
305		-(((
306		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
307		-)))
308	308
309		-(((
310		-**Command from RS485-BL to Sensor:**
311		-)))
	383	+=== 3.3.3 Configure read commands for each sampling ===
312	312
313		-(((
314		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
315		-)))
316	316
317	317	(((
318		-**Handle return from sensors to RS485-BL**:
319		-)))
	387	+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.
320	320
321		-(((
322		-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**
323		-)))
	389	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
324	324
325		-* (((
326		-**AT+DATACUT**
327		-)))
	391	+This section describes how to achieve above goals.
328	328
329		-(((
330		-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.
331		-)))
	393	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
332	332
333		-* (((
334		-**AT+SEARCH**
335		-)))
336	336
337		-(((
338		-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.
339		-)))
	396	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
340	340
341		-(((
342		-**Define wait timeout:**
343		-)))
	398	+~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.
344	344
345		-(((
346		-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
347		-)))
	400	+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.
348	348
349		-(((
350		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351		-)))
	402	+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
352	352
353		-**Examples:**
354	354
	405	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	406	+
355	355	Below are examples for the how above AT Commands works.
356	356
357		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
358	358
359		-(% border="1" class="table-bordered" %)
360		-|(((
361		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	410	+(% 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:
362	362
	412	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	413	+|(% style="width:496px" %)(((
	414	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	415	+
363	363	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
364	364
365	365	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
366	366	)))
367	367
368		-(((
369	369	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.
370		-)))
371	371
372		-(((
373		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
374		-)))
	423	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
375	375
376		-(((
377		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
378		-)))
379	379
380		-(% border="1" class="table-bordered" %)
381		-|(((
382		-**AT+SEARCHx=aa,xx xx xx xx xx**
	426	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
383	383
384		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
385		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
386		-
387		-
388		-)))
389		-
390		-**Examples:**
391		-
392		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
393		-
394		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
395		-
396		-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**
397		-
398		-[[image:1653269403619-508.png]]
399		-
400		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
401		-
402		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
403		-
404		-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**
405		-
406		-[[image:1653269438444-278.png]]
407		-
408		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
409		-
410		-|(((
	428	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	429	+|(% style="width:510px" %)(((
411	411	**AT+DATACUTx=a,b,c**
412	412
413	413	* **a: length for the return of AT+COMMAND**
...	...	@@ -415,48 +415,39 @@
415	415	* **c: define the position for valid value.  **
416	416	)))
417	417
418		-Examples:
	437	+**Examples:**
419	419
420		-* Grab bytes:
	439	+* (% style="color:#037691" %)**Grab bytes**
421	421
422		-[[image:1653269551753-223.png||height="311" width="717"]]
	441	+(% 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" %)​
423	423
424		-* Grab a section.
425	425
426		-[[image:1653269568276-930.png||height="325" width="718"]]
	444	+* (% style="color:#037691" %)**Grab a section**
427	427
428		-* Grab different sections.
	446	+(% 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" %)​
429	429
430		-[[image:1653269593172-426.png||height="303" width="725"]]
431	431
432		-(% style="color:red" %)**Note:**
	449	+* (% style="color:#037691" %)**Grab different sections**
433	433
434		-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.
	451	+(% 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" %)​
435	435
436		-Example:
437	437
438		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	454	+
	455	+)))
439	439
440		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
441		-
442		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
443		-
444		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
445		-
446		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
447		-
448		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
449		-
450		-[[image:1653269618463-608.png]]
451		-
452	452	=== 3.3.4 Compose the uplink payload ===
453	453
	459	+
454	454	(((
455	455	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.**
	462	+
	463	+
456	456	)))
457	457
458	458	(((
459		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	467	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	468	+
	469	+
460	460	)))
461	461
462	462	(((
...	...	@@ -475,705 +475,993 @@
475	475	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
476	476	)))
477	477
478		-[[image:1653269759169-150.png||height="513" width="716"]]
	488	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
479	479
480	480
	491	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
481	481
482		-**Examples: AT+DATAUP=1**
483	483
484		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
	494	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
485	485
486	486	Final Payload is
487	487
488		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	498	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
489	489
490		-1. Battery Info (2 bytes): Battery voltage
491		-1. PAYVER (1 byte): Defined by AT+PAYVER
492		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
493		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
494		-1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
495	495
496		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	501	+1. PAYVER: Defined by AT+PAYVER
	502	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	503	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	504	+1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
497	497
	506	+(% 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" %)​
498	498
499		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
500	500
501		-DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
	509	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
502	502
503		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
	511	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
504	504
505		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	513	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
506	506
	515	+DATA3=the rest of Valid value of RETURN10= **30**
507	507
508	508
509		-Below are the uplink payloads:
	518	+(% 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:**
510	510
511		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	520	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
512	512
	522	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
513	513
514		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
	524	+ * For US915 band, max 11 bytes for each uplink.
515	515
516		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	526	+ ~* For all other bands: max 51 bytes for each uplink.
517	517
518		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
519	519
520		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	529	+Below are the uplink payloads:
521	521
522		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	531	+(% 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" %)​
523	523
524	524
525	525
526		-1.
527		-11.
528		-111. Uplink on demand
	535	+=== 3.3.5 Uplink on demand ===
529	529
530		-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.
531	531
	538	+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.
	539	+
532	532	Downlink control command:
533	533
534		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	542	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
535	535
536		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	544	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
537	537
538	538
539	539
540		-1.
541		-11.
542		-111. Uplink on Interrupt
	548	+=== 3.3.6 Uplink on Interrupt ===
543	543
544		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
545	545
546		-AT+INTMOD=0  Disable Interrupt
	551	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
547	547
548		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	553	+(% 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" %)​
549	549
550		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	555	+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.
551	551
552		-AT+INTMOD=3  Interrupt trigger by rising edge.
553	553
554	554
555		-1.
556		-11. Uplink Payload
	559	+== 3.4 Uplink Payload ==
557	557
558		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
559		-|Value|(((
560		-Battery(mV)
561	561
562		-&
	562	+(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
563	563
564		-Interrupt _Flag
565		-)))|(((
566		-PAYLOAD_VER
567		-
568		-
569		-)))|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.
570		-
571	571	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
572	572
573	573
574		-function Decoder(bytes, port) {
575	575
576		-~/~/Payload Formats of RS485-BL Deceive
	568	+== 3.5 Configure RS485-LN via AT or Downlink ==
577	577
578		-return {
579	579
580		- ~/~/Battery,units:V
	571	+(((
	572	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	573	+)))
581	581
582		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	575	+(((
	576	+There are two kinds of Commands:
	577	+)))
583	583
584		- ~/~/GPIO_EXTI
	579	+* (((
	580	+(% 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]]
	581	+)))
585	585
586		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	583	+* (((
	584	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	585	+)))
587	587
588		- ~/~/payload of version
	587	+(((
	588	+
	589	+)))
589	589
590		- Pay_ver:bytes[2],
591	591
592		- };
593	593
594		- }
	593	+=== 3.5.1 Common Commands ===
595	595
596	596
	596	+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]]
597	597
598	598
599	599
	600	+=== 3.5.2 Sensor related commands ===
600	600
601	601
602		-TTN V3 uplink screen shot.
	603	+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.
603	603
604		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	605	+(% 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"]](% title="Click and drag to resize" %)​
605	605
606		-1.
607		-11. Configure RS485-BL via AT or Downlink
	607	+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)
608	608
609		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
610	610
611		-There are two kinds of Commands:
612	612
613		-* **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
	611	+=== 3.5.3 Sensor related commands ===
614	614
615		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
616	616
617		-1.
618		-11.
619		-111. Common Commands:
620	620
621		-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]]
622	622
	616	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
623	623
624		-1.
625		-11.
626		-111. Sensor related commands:
	618	+(((
	619	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	620	+)))
627	627
628		-==== Choose Device Type (RS485 or TTL) ====
	622	+* (((
	623	+(% style="color:#037691" %)**AT Command**
629	629
630		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	625	+(((
	626	+**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
	627	+)))
	628	+)))
631	631
632		-* AT Command
	630	+(((
	631	+
	632	+)))
633	633
634		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	634	+* (((
	635	+(% style="color:#037691" %)**Downlink Payload**
	636	+)))
635	635
636		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	638	+(((
	639	+Format: A8 MM NN XX XX XX XX YY
	640	+)))
637	637
	642	+(((
	643	+Where:
	644	+)))
638	638
639		-* Downlink Payload
	646	+* (((
	647	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	648	+)))
	649	+* (((
	650	+NN: The length of RS485 command
	651	+)))
	652	+* (((
	653	+XX XX XX XX: RS485 command total NN bytes
	654	+)))
	655	+* (((
	656	+(((
	657	+YY: How many bytes will be uplink from the return of this RS485 command,
	658	+)))
640	640
641		-**0A aa**     à same as AT+MOD=aa
	660	+* (((
	661	+if YY=0, RS485-LN will execute the downlink command without uplink;
	662	+)))
	663	+* (((
	664	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	665	+)))
	666	+* (((
	667	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	668	+)))
	669	+)))
642	642
	671	+(((
	672	+
643	643
	674	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	675	+)))
644	644
645		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	677	+(((
	678	+To connect a Modbus Alarm with below commands.
	679	+)))
646	646
647		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	681	+* (((
	682	+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.
	683	+)))
648	648
649		-* AT Command
	685	+* (((
	686	+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.
	687	+)))
650	650
651		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	689	+(((
	690	+
652	652
653		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	692	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	693	+)))
654	654
	695	+(((
	696	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	697	+)))
655	655
	699	+(((
	700	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	701	+)))
656	656
657		-* Downlink Payload
	703	+(((
	704	+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.
	705	+)))
658	658
659		-Format: A8 MM NN XX XX XX XX YY
	707	+(((
	708	+
	709	+)))
660	660
661		-Where:
	711	+(((
	712	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	713	+)))
662	662
663		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
664		-* NN: The length of RS485 command
665		-* XX XX XX XX: RS485 command total NN bytes
666		-* 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
	715	+(((
	716	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	717	+)))
667	667
668		-**Example 1:**
	719	+(((
	720	+
	721	+)))
669	669
670		-To connect a Modbus Alarm with below commands.
	723	+(((
	724	+(((
	725	+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**
	726	+)))
671	671
672		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	728	+
	729	+)))
673	673
674		-* 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.
	731	+(((
	732	+ (% 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" %)​
	733	+)))
675	675
676		-So if user want to use downlink command to control to RS485 Alarm, he can use:
677	677
678		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
679	679
680		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
681	681
682		-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.
	738	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
683	683
	740	+(((
	741	+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.
	742	+)))
684	684
685		-**Example 2:**
	744	+* (((
	745	+(% style="color:#037691" %)**AT Command:**
686	686
687		-Check TTL Sensor return:
	747	+**AT+PAYVER:    **Set PAYVER field = 1
688	688
689		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	749	+
	750	+)))
	751	+* (((
	752	+(% style="color:#037691" %)**Downlink Payload:**
	753	+)))
690	690
	755	+(((
	756	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	757	+)))
691	691
	759	+(((
	760	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	761	+)))
692	692
693	693
694		-==== Set Payload version ====
695	695
696		-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.
697	697
698		-* AT Command:
	766	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
699	699
700		-AT+PAYVER: Set PAYVER field = 1
	768	+(((
	769	+AT+COMMANDx or AT+DATACUTx
	770	+)))
701	701
	772	+(((
	773	+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"]].
	774	+)))
702	702
703		-* Downlink Payload:
	776	+(((
	777	+
	778	+)))
704	704
705		-0xAE 01   à Set PAYVER field =  0x01
	780	+* (((
	781	+(% style="color:#037691" %)**AT Command:**
	782	+)))
706	706
707		-0xAE 0F   à Set PAYVER field =  0x0F
	784	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
708	708
	786	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
709	709
710		-==== Set RS485 Sampling Commands ====
711	711
712		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	789	+* (((
	790	+(% style="color:#037691" %)**Downlink Payload:**
	791	+)))
713	713
714		-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]].
	793	+(((
	794	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	795	+)))
715	715
	797	+(((
	798	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	799	+)))
716	716
717		-* AT Command:
	801	+(((
	802	+Format: AF MM NN LL XX XX XX XX YY
	803	+)))
718	718
719		-AT+COMMANDx: Configure RS485 read command to sensor.
	805	+(((
	806	+Where:
	807	+)))
720	720
721		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	809	+* (((
	810	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	811	+)))
	812	+* (((
	813	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	814	+)))
	815	+* (((
	816	+LL:  The length of AT+COMMAND or AT+DATACUT command
	817	+)))
	818	+* (((
	819	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	820	+)))
	821	+* (((
	822	+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.
	823	+)))
722	722
723		-AT+SEARCHx: Configure search command
	825	+(((
	826	+
724	724
	828	+**Example:**
	829	+)))
725	725
726		-* Downlink Payload:
	831	+(((
	832	+(% 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
	833	+)))
727	727
728		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	835	+(((
	836	+(% 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**
	837	+)))
729	729
730		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	839	+(((
	840	+(% 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**
	841	+)))
731	731
732		-Format: AF MM NN LL XX XX XX XX YY
733	733
734		-Where:
735	735
736		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
737		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
738		-* LL: The length of AT+COMMAND or AT+DATACUT command
739		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
740		-* 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.
741	741
742		-Example:
	846	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
743	743
744		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	848	+(((
	849	+**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]].
	850	+)))
745	745
746		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	852	+(((
	853	+This command is valid since v1.3 firmware version
	854	+)))
747	747
748		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	856	+(((
	857	+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.
	858	+)))
749	749
	860	+(((
	861	+
	862	+)))
750	750
751		-0xAB downlink command can be used for set AT+SEARCHx
	864	+(((
	865	+**Example:**
	866	+)))
752	752
753		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	868	+* (((
	869	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	870	+)))
	871	+* (((
	872	+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.
	873	+)))
	874	+* (((
	875	+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.
754	754
755		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
756		-* 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
	877	+
	878	+)))
757	757
758		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	880	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
759	759
	882	+(% 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" %)​
760	760
761		-==== Fast command to handle MODBUS device ====
762	762
763		-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]].
764	764
765		-This command is valid since v1.3 firmware version
766	766
	887	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
767	767
768		-AT+MBFUN has only two value:
	889	+(((
	890	+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.
	891	+)))
769	769
770		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	893	+(((
	894	+Default value: 0, range:  0 ~~ 65 seconds
	895	+)))
771	771
772		-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.
	897	+* (((
	898	+(% style="color:#037691" %)** AT Command:**
773	773
774		-* AT+MBFUN=0: Disable Modbus fast reading.
	900	+**AT+CMDDLaa=hex(bb cc)*1000**
	901	+)))
775	775
776		-Example:
	903	+(((
	904	+
777	777
778		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
779		-* 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.
780		-* 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.
	906	+**Example:**
	907	+)))
781	781
782		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	909	+(((
	910	+**AT+CMDDL1=1000** to send the open time to 1000ms
	911	+)))
783	783
	913	+(((
	914	+
	915	+)))
784	784
785		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	917	+* (((
	918	+(% style="color:#037691" %)** Downlink Payload:**
	919	+)))
786	786
	921	+(((
	922	+**0x AA aa bb cc**
	923	+)))
787	787
788		-* Downlink Commands:
	925	+(((
	926	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	927	+)))
789	789
790		-A9 aa -à Same as AT+MBFUN=aa
	929	+(((
	930	+**Example:**
	931	+)))
791	791
	933	+(((
	934	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	935	+)))
792	792
793		-==== RS485 command timeout ====
794	794
795		-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.
796	796
797		-Default value: 0, range:  0 ~~ 5 seconds
798	798
	940	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
799	799
800		-* AT Command:
	942	+(((
	943	+Define to use one uplink or multiple uplinks for the sampling.
	944	+)))
801	801
802		-AT+CMDDLaa=hex(bb cc)
	946	+(((
	947	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
803	803
804		-Example:
	949	+
	950	+)))
805	805
806		-**AT+CMDDL1=1000** to send the open time to 1000ms
	952	+* (((
	953	+(% style="color:#037691" %)** AT Command:**
	954	+)))
807	807
	956	+**AT+DATAUP=0**
808	808
809		-* Downlink Payload:
	958	+**AT+DATAUP=1**
810	810
811		-0x AA aa bb cc
812	812
813		-Same as: AT+CMDDLaa=hex(bb cc)
	961	+* (((
	962	+(% style="color:#037691" %)** Downlink Payload:**
	963	+)))
814	814
815		- Example:
	965	+(((
	966	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	967	+)))
816	816
817		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	969	+(((
	970	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	971	+)))
818	818
819	819
820		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
821	821
822		-Define to use one uplink or multiple uplinks for the sampling.
823	823
824		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	976	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
825	825
826		-* AT Command:
	978	+(((
	979	+Ask device to send an uplink immediately.
	980	+)))
827	827
828		-AT+DATAUP=0
	982	+* (((
	983	+(% style="color:#037691" %)** AT Command:**
	984	+)))
829	829
830		-AT+DATAUP=1
	986	+(((
	987	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	988	+)))
831	831
	990	+(((
	991	+
	992	+)))
832	832
833		-* Downlink Payload:
	994	+* (((
	995	+(% style="color:#037691" %)** Downlink Payload:**
	996	+)))
834	834
835		-0xAD 00   à Same as AT+DATAUP=0
	998	+(((
	999	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1000	+)))
836	836
837		-0xAD 01   à Same as AT+DATAUP=1
838	838
839	839
840		-==== Manually trigger an Uplink ====
841	841
842		-Ask device to send an uplink immediately.
	1005	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
843	843
844		-* Downlink Payload:
845		-
846		-0x08 FF, RS485-BL will immediately send an uplink.
847		-
848		-
849		-==== Clear RS485 Command ====
850		-
	1007	+(((
851	851	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
852	852
	1010	+
	1011	+)))
853	853
854		-* AT Command:
	1013	+* (((
	1014	+(% style="color:#037691" %)** AT Command:**
	1015	+)))
855	855
	1017	+(((
856	856	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1019	+)))
857	857
	1021	+(((
858	858	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1023	+)))
859	859
	1025	+(((
860	860	Example screen shot after clear all RS485 commands.
	1027	+)))
861	861
	1029	+(((
	1030	+
	1031	+)))
862	862
863		-
	1033	+(((
864	864	The uplink screen shot is:
	1035	+)))
865	865
866		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1037	+(% 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" %)​
867	867
868	868
869		-* Downlink Payload:
	1040	+* (((
	1041	+(% style="color:#037691" %)** Downlink Payload:**
	1042	+)))
870	870
871		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1044	+(((
	1045	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1046	+)))
872	872
873	873
874		-==== Set Serial Communication Parameters ====
875	875
876		-Set the Rs485 serial communication parameters:
877	877
878		-* AT Command:
	1051	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
879	879
880		-Set Baud Rate:
	1053	+(((
	1054	+Set the Rs485 serial communication parameters:
	1055	+)))
881	881
882		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1057	+* (((
	1058	+(% style="color:#037691" %)** AT Command:**
	1059	+)))
883	883
	1061	+(((
	1062	+
884	884
885		-Set UART parity
	1064	+* Set Baud Rate
	1065	+)))
886	886
887		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1067	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
888	888
889	889
890		-Set STOPBIT
	1070	+(((
	1071	+* Set UART Parity
	1072	+)))
891	891
892		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1074	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
893	893
894	894
895		-* Downlink Payload:
	1077	+(((
	1078	+* Set STOPBIT
	1079	+)))
896	896
897		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1081	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
898	898
899		-Example:
900	900
901		-* A7 01 00 60   same as AT+BAUDR=9600
902		-* A7 01 04 80  same as AT+BAUDR=115200
903	903
904		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1085	+* (((
	1086	+(% style="color:#037691" %)** Downlink Payload:**
	1087	+)))
905	905
906		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1089	+(((
	1090	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1091	+)))
907	907
	1093	+(((
	1094	+**Example:**
	1095	+)))
908	908
909		-==== Control output power duration ====
	1097	+* (((
	1098	+A7 01 00 60   same as AT+BAUDR=9600
	1099	+)))
	1100	+* (((
	1101	+A7 01 04 80  same as AT+BAUDR=115200
	1102	+)))
910	910
911		-User can set the output power duration before each sampling.
	1104	+(((
	1105	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1106	+)))
912	912
913		-* AT Command:
	1108	+(((
	1109	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1110	+)))
914	914
915		-Example:
916	916
917		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
918	918
919		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
920	920
	1115	+== 3.6 Listening mode for RS485 network ==
921	921
922		-* LoRaWAN Downlink Command:
923	923
924		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1118	+(((
	1119	+This feature support since firmware v1.4
	1120	+)))
925	925
926		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1122	+(((
	1123	+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.
927	927
	1125	+
	1126	+)))
928	928
	1128	+(% 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"]](% title="Click and drag to resize" %)​
929	929
	1130	+(((
	1131	+To enable the listening mode, use can run the command AT+RXMODE.
	1132	+)))
930	930
931		-1.
932		-11. Buttons
	1134	+(((
	1135	+
	1136	+)))
933	933
934		-|**Button**|**Feature**
935		-|**RST**|Reboot RS485-BL
	1138	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1139	+|=(% style="width: 100px;" %)(((
	1140	+**Command example**
	1141	+)))|=(% style="width: 400px;" %)(((
	1142	+**Function**
	1143	+)))
	1144	+|(% style="width:100px" %)(((
	1145	+AT+RXMODE=1,10
	1146	+)))|(% style="width:400px" %)(((
	1147	+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.
	1148	+)))
	1149	+|(% style="width:100px" %)(((
	1150	+AT+RXMODE=2,500
	1151	+)))|(% style="width:400px" %)(((
	1152	+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
	1153	+)))
	1154	+|(% style="width:100px" %)(((
	1155	+AT+RXMODE=0,0
	1156	+)))|(% style="width:400px" %)(((
	1157	+Disable listening mode. This is the default settings.
	1158	+)))
	1159	+|(% style="width:100px" %)(((
	1160	+
	1161	+)))|(% style="width:400px" %)(((
	1162	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1163	+)))
936	936
937		-1.
938		-11. +3V3 Output
	1165	+(((
	1166	+(% style="color:#037691" %)** Downlink Command:**
	1167	+)))
939	939
940		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1169	+(((
	1170	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1171	+)))
941	941
942		-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.
	1173	+(((
	1174	+
	1175	+)))
943	943
	1177	+(((
	1178	+**Example**:
	1179	+)))
944	944
945		-The +3V3 output time can be controlled by AT Command.
	1181	+(((
	1182	+The RS485-LN is set to AT+RXMODE=2,1000
	1183	+)))
946	946
947		-**AT+3V3T=1000**
	1185	+(((
	1186	+There is a two Modbus commands in the RS485 network as below:
	1187	+)))
948	948
949		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1189	+(((
	1190	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1191	+)))
950	950
	1193	+(((
	1194	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1195	+)))
951	951
952		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1197	+(((
	1198	+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
	1199	+)))
953	953
	1201	+(((
	1202	+(% 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" %)​
	1203	+)))
954	954
955		-1.
956		-11. +5V Output
	1205	+(((
	1206	+
	1207	+)))
957	957
958		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1209	+(((
	1210	+(((
	1211	+(% 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.**
	1212	+)))
	1213	+)))
959	959
960		-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.
961	961
962	962
963		-The 5V output time can be controlled by AT Command.
	1217	+== 3.7 Buttons ==
964	964
965		-**AT+5VT=1000**
966	966
967		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1220	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1221	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1222	+|(% 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**
	1223	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1224	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
968	968
969	969
970		-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.
971	971
	1228	+== 3.8 LEDs ==
972	972
973	973
	1231	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1232	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1233	+|**PWR**|Always on if there is power
	1234	+|**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.
974	974
975		-1.
976		-11. LEDs
977	977
978		-|**LEDs**|**Feature**
979		-|**LED1**|Blink when device transmit a packet.
980	980
981		-1.
982		-11. Switch Jumper
	1238	+= 4. Case Study =
983	983
984		-|**Switch Jumper**|**Feature**
985		-|**SW1**|(((
986		-ISP position: Upgrade firmware via UART
987	987
988		-Flash position: Configure device, check running status.
989		-)))
990		-|**SW2**|(((
991		-5V position: set to compatible with 5v I/O.
	1241	+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]]
992	992
993		-3.3v position: set to compatible with 3.3v I/O.,
994		-)))
995	995
996		-+3.3V: is always ON
997	997
998		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1245	+= 5. Use AT Command =
999	999
1000		-1. Case Study
	1247	+== 5.1 Access AT Command ==
1001	1001
1002		-User can check this URL for some case studies.
1003	1003
1004		-[[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]]
	1250	+(((
	1251	+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.
	1252	+)))
1005	1005
	1254	+(% 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" %)​
1006	1006
1007	1007
	1257	+(((
	1258	+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:
	1259	+)))
1008	1008
1009		-1. Use AT Command
1010		-11. Access AT Command
	1261	+(% 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" %)​
1011	1011
1012		-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.
1013	1013
1014		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1264	+(((
	1265	+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/]]
	1266	+)))
1015	1015
1016	1016
1017		-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:
1018	1018
1019		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1270	+== 5.2 Common AT Command Sequence ==
1020	1020
1021	1021
	1273	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1022	1022
1023		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1024	1024
	1276	+If device has not joined network yet:
1025	1025
	1278	+* (% style="color:#037691" %)**AT+FDR**
	1279	+* (% style="color:#037691" %)**AT+NJM=0**
	1280	+* (% style="color:#037691" %)**ATZ**
1026	1026
1027		-1.
1028		-11. Common AT Command Sequence
1029		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1282	+(((
	1283	+
1030	1030
1031		-If device has not joined network yet:
	1285	+If device already joined network:
1032	1032
1033		-AT+FDR
	1287	+* (% style="color:#037691" %)**AT+NJM=0**
	1288	+* (% style="color:#037691" %)**ATZ**
1034	1034
1035		-AT+NJM=0
	1290	+
	1291	+)))
1036	1036
1037		-ATZ
1038	1038
1039	1039
1040		-If device already joined network:
	1295	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1041	1041
1042		-AT+NJM=0
1043	1043
1044		-ATZ
	1298	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1045	1045
1046		-1.
1047		-11.
1048		-111. Single-channel ABP mode (Use with LG01/LG02)
	1300	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1049	1049
1050		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1302	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1051	1051
1052		-AT+NJM=0 Set to ABP mode
	1304	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1053	1053
1054		-AT+ADR=0 Set the Adaptive Data Rate Off
	1306	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1055	1055
1056		-AT+DR=5  Set Data Rate
	1308	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1057	1057
1058		-AT+TDC=60000  Set transmit interval to 60 seconds
	1310	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1059	1059
1060		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1312	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1061	1061
1062		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1314	+(% 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.
1063	1063
1064		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1316	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1065	1065
1066		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1067	1067
1068		-ATZ          Reset MCU
	1319	+(% style="color:red" %)**Note:**
1069	1069
1070		-**Note:**
	1321	+(((
	1322	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1323	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1324	+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.
	1325	+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
	1326	+)))
1071	1071
1072		-1. Make sure the device is set to ABP mode in the IoT Server.
1073		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1074		-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.
1075		-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
	1328	+(% 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" %)​
1076	1076
1077		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1078	1078
1079	1079
1080		-1. FAQ
1081		-11. How to upgrade the image?
	1332	+= 6. FAQ =
1082	1082
1083		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1334	+== 6.1 How to upgrade the image? ==
1084	1084
1085		-* Support new features
1086		-* For bug fix
1087		-* Change LoRaWAN bands.
1088	1088
1089		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1337	+(((
	1338	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1339	+)))
1090	1090
1091		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1341	+* (((
	1342	+Support new features
	1343	+)))
	1344	+* (((
	1345	+For bug fix
	1346	+)))
	1347	+* (((
	1348	+Change LoRaWAN bands.
	1349	+)))
1092	1092
1093		-**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]].
	1351	+(((
	1352	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1353	+)))
1094	1094
1095		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1355	+(% 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"]]
1096	1096
1097		-**Step3: **Open flashloader; choose the correct COM port to update.
	1357	+(% title="Click and drag to resize" %)​
1098	1098
	1359	+(((
	1360	+(% 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]].
	1361	+)))
1099	1099
1100		-|(((
1101		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1363	+(((
	1364	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1102	1102	)))
1103	1103
1104		-|(((
1105		-Board detected
	1367	+(((
	1368	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1106	1106	)))
1107	1107
1108		-|(((
1109		-
	1371	+(((
	1372	+(((
	1373	+(((
	1374	+(% 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.
1110	1110	)))
	1376	+)))
	1377	+)))
1111	1111
1112		-[[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]]
1113	1113
	1380	+(% 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" %)​
1114	1114
1115	1115
1116		-[[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]]
	1383	+(% 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" %)​
1117	1117
1118	1118
1119		-[[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]]
	1386	+(% 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" %)​
1120	1120
1121	1121
1122		-1.
1123		-11. How to change the LoRa Frequency Bands/Region?
	1389	+(% 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:**
1124	1124
1125		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1391	+(% 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" %)​
1126	1126
1127	1127
1128	1128
1129		-1.
1130		-11. How many RS485-Slave can RS485-BL connects?
	1395	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1131	1131
1132		-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]].
1133	1133
	1398	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1134	1134
1135	1135
1136	1136
1137		-1. Trouble Shooting
1138		-11. Downlink doesn’t work, how to solve it?
	1402	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1139	1139
1140		-Please see this link for debug:
1141	1141
1142		-[[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]]
	1405	+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"]].
1143	1143
1144	1144
1145	1145
1146		-1.
1147		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1409	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1148	1148
1149		-It might about the channels mapping. Please see for detail.
1150	1150
1151		-[[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]]
	1412	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1152	1152
	1414	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1153	1153
1154	1154
1155		-1. Order Info
1156	1156
1157		-**Part Number: RS485-BL-XXX**
	1418	+== 6.5 Can i use point to point communication for RS485-LN? ==
1158	1158
1159		-**XXX:**
1160	1160
1161		-* **EU433**: frequency bands EU433
1162		-* **EU868**: frequency bands EU868
1163		-* **KR920**: frequency bands KR920
1164		-* **CN470**: frequency bands CN470
1165		-* **AS923**: frequency bands AS923
1166		-* **AU915**: frequency bands AU915
1167		-* **US915**: frequency bands US915
1168		-* **IN865**: frequency bands IN865
1169		-* **RU864**: frequency bands RU864
1170		-* **KZ865: **frequency bands KZ865
	1421	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1171	1171
1172		-1. Packing Info
1173	1173
	1424	+
	1425	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1426	+
	1427	+
	1428	+[[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/]]
	1429	+
	1430	+
	1431	+
	1432	+= 7. Trouble Shooting =
	1433	+
	1434	+
	1435	+== 7.1 Downlink doesn't work, how to solve it? ==
	1436	+
	1437	+
	1438	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1439	+
	1440	+
	1441	+
	1442	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1443	+
	1444	+
	1445	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1446	+
	1447	+
	1448	+
	1449	+= 8. Order Info =
	1450	+
	1451	+
	1452	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1453	+
	1454	+(% style="color:blue" %)**XXX:**
	1455	+
	1456	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1457	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1458	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1459	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1460	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1461	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1462	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1463	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1464	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1465	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1466	+
	1467	+
	1468	+
	1469	+= 9.Packing Info =
	1470	+
	1471	+
1174	1174	**Package Includes**:
1175	1175
1176		-* RS485-BL x 1
	1474	+* RS485-LN x 1
1177	1177	* Stick Antenna for LoRa RF part x 1
1178	1178	* Program cable x 1
1179	1179
...	...	@@ -1184,9 +1184,67 @@
1184	1184	* Package Size / pcs : 14.5 x 8 x 5 cm
1185	1185	* Weight / pcs : 170g
1186	1186
1187		-1. Support
1188	1188
1189		-* 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.
1190		-* 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
1191	1191
1192		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1487	+= 10. FCC Caution for RS485LN-US915 =
	1488	+
	1489	+
	1490	+(((
	1491	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1492	+)))
	1493	+
	1494	+(((
	1495	+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.
	1496	+)))
	1497	+
	1498	+(((
	1499	+
	1500	+)))
	1501	+
	1502	+(((
	1503	+(% style="color:red" %)**IMPORTANT NOTE:**
	1504	+)))
	1505	+
	1506	+(((
	1507	+**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:
	1508	+)))
	1509	+
	1510	+(((
	1511	+—Reorient or relocate the receiving antenna.
	1512	+)))
	1513	+
	1514	+(((
	1515	+—Increase the separation between the equipment and receiver.
	1516	+)))
	1517	+
	1518	+(((
	1519	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1520	+)))
	1521	+
	1522	+(((
	1523	+—Consult the dealer or an experienced radio/TV technician for help.
	1524	+)))
	1525	+
	1526	+(((
	1527	+
	1528	+)))
	1529	+
	1530	+(((
	1531	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1532	+)))
	1533	+
	1534	+(((
	1535	+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.
	1536	+)))
	1537	+
	1538	+
	1539	+
	1540	+= 11. Support =
	1541	+
	1542	+
	1543	+* (((
	1544	+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.
	1545	+)))
	1546	+* (((
	1547	+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]].
	1548	+)))

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