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

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Details

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Title

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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
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9	9	**Table of Contents:**
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	22	+{{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	(((
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21	21	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
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25	25	RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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29	29	(% 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.
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33	33	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
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35	35	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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39		-[[image:1653267211009-519.png||height="419" width="724"]]
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40	40
41	41
42	42	== 1.2 Specifications ==
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	112	+* Packet engine up to 256 bytes with CRC
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79	79
80	80
	116	+
81	81	== 1.3 Features ==
82	82
	119	+
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
84	84	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
85	85	* AT Commands to change parameters
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94	94	== 1.4 Applications ==
95	95
	134	+
96	96	* Smart Buildings & Home Automation
97	97	* Logistics and Supply Chain Management
98	98	* Smart Metering
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	144	+
105	105	== 1.5 Firmware Change log ==
106	106
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107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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	151	+
110	110	== 1.6 Hardware Change log ==
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112	112	(((
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114	114	v1.2: Add External Interrupt Pin.
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116	116	v1.0: Release
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121	121
122	122	= 2. Power ON Device =
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124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
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131	131	Once there is power, the RS485-LN will be on.
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134		-[[image:1653268091319-405.png]]
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135	135	)))
136	136
137	137	= 3. Operation Mode =
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138	138
139	139	== 3.1 How it works? ==
140	140
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142	142	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.
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145	145	== 3.2 Example to join LoRaWAN network ==
146	146
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147	147	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.
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149		-[[image:1653268155545-638.png||height="334" width="724"]]
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152	152	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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154	154	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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156		-[[image:1653268227651-549.png||height="592" width="720"]]
	220	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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158	158	(((
159		-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:
	224	+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:
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163		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	228	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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171		-[[image:1652953462722-299.png]]
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173	173	(((
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175	175	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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179		-Add APP EUI in the application.
	245	+**Add APP EUI in the application.**
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183		-[[image:image-20220519174512-1.png]]
	249	+(% 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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185		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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187		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	253	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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189		-[[image:image-20220519174512-4.png]]
	255	+(% 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" %)​
190	190
191	191	You can also choose to create the device manually.
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193		-[[image:1652953542269-423.png||height="710" width="723"]]
	259	+(% 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" %)​
194	194
195		-Add APP KEY and DEV EUI
196	196
197		-[[image:1652953553383-907.png||height="514" width="724"]]
198	198
	263	+**Add APP KEY and DEV EUI**
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200	200	(((
201		-**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.
	269	+(% 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.
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204		-[[image:1652953568895-172.png||height="232" width="724"]]
	272	+(% 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" %)​
205	205
	274	+
	275	+
206	206	== 3.3 Configure Commands to read data ==
207	207
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208	208	(((
209	209	(((
210		-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.
	281	+(((
	282	+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.
211	211	)))
	284	+)))
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213	213	(((
214		-(% 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
	287	+(((
	288	+(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
215	215	)))
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216	216	)))
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217	217
218		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	296	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
219	219
	298	+
220	220	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:
221	221
222		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
223		-|(((
	301	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	302	+|=(% style="width: 110px;" %)(((
224	224	**AT Commands**
225		-)))|(% style="width:285px" %)(((
	304	+)))|=(% style="width: 190px;" %)(((
226	226	**Description**
227		-)))|(% style="width:347px" %)(((
	306	+)))|=(% style="width: 190px;" %)(((
228	228	**Example**
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230		-|(((
	309	+|(% style="width:110px" %)(((
231	231	AT+BAUDR
232		-)))|(% style="width:285px" %)(((
	311	+)))|(% style="width:190px" %)(((
233	233	Set the baud rate (for RS485 connection). Default Value is: 9600.
234		-)))|(% style="width:347px" %)(((
	313	+)))|(% style="width:190px" %)(((
235	235	(((
236	236	AT+BAUDR=9600
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240	240	Options: (1200,2400,4800,14400,19200,115200)
241	241	)))
242	242	)))
243		-|(((
	322	+|(% style="width:110px" %)(((
244	244	AT+PARITY
245		-)))|(% style="width:285px" %)(((
	324	+)))|(% style="width:190px" %)(((
246	246	Set UART parity (for RS485 connection)
247		-)))|(% style="width:347px" %)(((
	326	+)))|(% style="width:190px" %)(((
248	248	(((
249	249	AT+PARITY=0
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253	253	Option: 0: no parity, 1: odd parity, 2: even parity
254	254	)))
255	255	)))
256		-|(((
	335	+|(% style="width:110px" %)(((
257	257	AT+STOPBIT
258		-)))|(% style="width:285px" %)(((
	337	+)))|(% style="width:190px" %)(((
259	259	(((
260	260	Set serial stopbit (for RS485 connection)
261	261	)))
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263	263	(((
264	264
265	265	)))
266		-)))|(% style="width:347px" %)(((
	345	+)))|(% style="width:190px" %)(((
267	267	(((
268	268	AT+STOPBIT=0 for 1bit
269	269	)))
...	...	@@ -277,8 +277,11 @@
277	277	)))
278	278	)))
279	279
	359	+
	360	+
280	280	=== 3.3.2 Configure sensors ===
281	281
	363	+
282	282	(((
283	283	(((
284	284	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.
...	...	@@ -285,140 +285,71 @@
285	285	)))
286	286	)))
287	287
288		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
289		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
290		-|AT+CFGDEV|(% style="width:418px" %)(((
291		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
292		-
293		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
294		-
295		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
296		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
297		-
298		-=== 3.3.3 Configure read commands for each sampling ===
299		-
	370	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	371	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	372	+|AT+CFGDEV|(% style="width:110px" %)(((
300	300	(((
301		-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.
	374	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
302	302	)))
303	303
304	304	(((
305		-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.
	378	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
306	306	)))
307	307
308	308	(((
309		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	382	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310	310	)))
	384	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
311	311
312		-(((
313		-This section describes how to achieve above goals.
314		-)))
315	315
316		-(((
317		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
318		-)))
319	319
320		-(((
321		-**Command from RS485-BL to Sensor:**
322		-)))
	388	+=== 3.3.3 Configure read commands for each sampling ===
323	323
324		-(((
325		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
326		-)))
327	327
328	328	(((
329		-**Handle return from sensors to RS485-BL**:
330		-)))
	392	+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.
331	331
332		-(((
333		-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**
334		-)))
	394	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
335	335
336		-* (((
337		-**AT+DATACUT**
338		-)))
	396	+This section describes how to achieve above goals.
339	339
340		-(((
341		-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.
342		-)))
	398	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
343	343
344		-* (((
345		-**AT+SEARCH**
346		-)))
347	347
348		-(((
349		-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.
350		-)))
	401	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
351	351
352		-(((
353		-**Define wait timeout:**
354		-)))
	403	+~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.
355	355
356		-(((
357		-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
358		-)))
	405	+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.
359	359
360		-(((
361		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
362		-)))
	407	+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
363	363
364		-**Examples:**
365	365
	410	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	411	+
366	366	Below are examples for the how above AT Commands works.
367	367
368		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
369	369
370		-(% border="1" class="table-bordered" %)
371		-|(((
372		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	415	+(% 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:
373	373
	417	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	418	+|(% style="width:496px" %)(((
	419	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	420	+
374	374	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
375	375
376	376	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
377	377	)))
378	378
379		-(((
380	380	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.
381		-)))
382	382
383		-(((
384		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
385		-)))
	428	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
386	386
387		-(((
388		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
389		-)))
390	390
391		-(% border="1" class="table-bordered" %)
392		-|(((
393		-**AT+SEARCHx=aa,xx xx xx xx xx**
	431	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
394	394
395		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
396		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
397		-
398		-
399		-)))
400		-
401		-**Examples:**
402		-
403		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
404		-
405		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
406		-
407		-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**
408		-
409		-[[image:1653269403619-508.png]]
410		-
411		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
412		-
413		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
414		-
415		-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**
416		-
417		-[[image:1653269438444-278.png]]
418		-
419		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
420		-
421		-|(((
	433	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	434	+|(% style="width:510px" %)(((
422	422	**AT+DATACUTx=a,b,c**
423	423
424	424	* **a: length for the return of AT+COMMAND**
...	...	@@ -426,48 +426,39 @@
426	426	* **c: define the position for valid value.  **
427	427	)))
428	428
429		-Examples:
	442	+**Examples:**
430	430
431		-* Grab bytes:
	444	+* (% style="color:#037691" %)**Grab bytes**
432	432
433		-[[image:1653269551753-223.png||height="311" width="717"]]
	446	+(% 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" %)​
434	434
435		-* Grab a section.
436	436
437		-[[image:1653269568276-930.png||height="325" width="718"]]
	449	+* (% style="color:#037691" %)**Grab a section**
438	438
439		-* Grab different sections.
	451	+(% 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" %)​
440	440
441		-[[image:1653269593172-426.png||height="303" width="725"]]
442	442
443		-(% style="color:red" %)**Note:**
	454	+* (% style="color:#037691" %)**Grab different sections**
444	444
445		-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.
	456	+(% 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" %)​
446	446
447		-Example:
448	448
449		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	459	+
	460	+)))
450	450
451		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
452		-
453		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
454		-
455		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
456		-
457		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
458		-
459		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
460		-
461		-[[image:1653269618463-608.png]]
462		-
463	463	=== 3.3.4 Compose the uplink payload ===
464	464
	464	+
465	465	(((
466	466	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.**
	467	+
	468	+
467	467	)))
468	468
469	469	(((
470		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	472	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	473	+
	474	+
471	471	)))
472	472
473	473	(((
...	...	@@ -486,10 +486,12 @@
486	486	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
487	487	)))
488	488
489		-[[image:1653269759169-150.png||height="513" width="716"]]
	493	+(% 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" %)​
490	490
491		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
492	492
	496	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	497	+
	498	+
493	493	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
494	494
495	495	Final Payload is
...	...	@@ -496,687 +496,980 @@
496	496
497	497	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
498	498
499		-1. Battery Info (2 bytes): Battery voltage
500		-1. PAYVER (1 byte): Defined by AT+PAYVER
501		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
502		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
503		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
504	504
505		-[[image:1653269916228-732.png||height="433" width="711"]]
	506	+1. PAYVER: Defined by AT+PAYVER
	507	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	508	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	509	+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
506	506
	511	+(% 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" %)​
507	507
508		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
509	509
510		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	514	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
511	511
512		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	516	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
513	513
514		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	518	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
515	515
516		-Below are the uplink payloads:
	520	+DATA3=the rest of Valid value of RETURN10= **30**
517	517
518		-[[image:1653270130359-810.png]]
519	519
	523	+(% 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:**
520	520
521		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	525	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
522	522
523		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	527	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
524	524
525		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	529	+ * For US915 band, max 11 bytes for each uplink.
526	526
527		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	531	+ ~* For all other bands: max 51 bytes for each uplink.
528	528
529		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
530	530
531		-=== 3.3.5 Uplink on demand ===
	534	+Below are the uplink payloads:
532	532
533		-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.
	536	+(% 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" %)​
534	534
535		-Downlink control command:
536	536
537		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
538	538
539		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	540	+=== 3.3.5 Uplink on demand ===
540	540
541	541
	543	+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.
542	542
543		-1.
544		-11.
545		-111. Uplink on Interrupt
	545	+Downlink control command:
546	546
547		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	547	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
548	548
549		-AT+INTMOD=0  Disable Interrupt
	549	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
550	550
551		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
552	552
553		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
554	554
555		-AT+INTMOD=3  Interrupt trigger by rising edge.
	553	+=== 3.3.6 Uplink on Interrupt ===
556	556
557	557
558		-1.
559		-11. Uplink Payload
	556	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
560	560
561		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
562		-|Value|(((
563		-Battery(mV)
	558	+(% 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" %)​
564	564
565		-&
	560	+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.
566	566
567		-Interrupt _Flag
568		-)))|(((
569		-PAYLOAD_VER
570	570
571		-
572		-)))|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.
573	573
574		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	564	+== 3.4 Uplink Payload ==
575	575
576	576
577		-function Decoder(bytes, port) {
	567	+(% 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" %)​
578	578
579		-~/~/Payload Formats of RS485-BL Deceive
	569	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
580	580
581		-return {
582	582
583		- ~/~/Battery,units:V
584	584
585		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	573	+== 3.5 Configure RS485-LN via AT or Downlink ==
586	586
587		- ~/~/GPIO_EXTI
588	588
589		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	576	+(((
	577	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	578	+)))
590	590
591		- ~/~/payload of version
	580	+(((
	581	+There are two kinds of Commands:
	582	+)))
592	592
593		- Pay_ver:bytes[2],
	584	+* (((
	585	+(% 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]]
	586	+)))
594	594
595		- };
	588	+* (((
	589	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	590	+)))
596	596
597		- }
	592	+(((
	593	+
	594	+)))
598	598
599	599
600	600
	598	+=== 3.5.1 Common Commands ===
601	601
602	602
	601	+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]]
603	603
604	604
605		-TTN V3 uplink screen shot.
606	606
607		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	605	+=== 3.5.2 Sensor related commands ===
608	608
609		-1.
610		-11. Configure RS485-BL via AT or Downlink
611	611
612		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	608	+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.
613	613
614		-There are two kinds of Commands:
	610	+(% 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" %)​
615	615
616		-* **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
	612	+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)
617	617
618		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
619	619
620		-1.
621		-11.
622		-111. Common Commands:
623	623
624		-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]]
	616	+=== 3.5.3 Sensor related commands ===
625	625
626	626
627		-1.
628		-11.
629		-111. Sensor related commands:
630	630
631		-==== Choose Device Type (RS485 or TTL) ====
632	632
633		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	621	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
634	634
635		-* AT Command
	623	+(((
	624	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	625	+)))
636	636
637		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	627	+* (((
	628	+(% style="color:#037691" %)**AT Command**
638	638
639		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	630	+(((
	631	+**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
	632	+)))
	633	+)))
640	640
	635	+(((
	636	+
	637	+)))
641	641
642		-* Downlink Payload
	639	+* (((
	640	+(% style="color:#037691" %)**Downlink Payload**
	641	+)))
643	643
644		-**0A aa**     à same as AT+MOD=aa
	643	+(((
	644	+Format: A8 MM NN XX XX XX XX YY
	645	+)))
645	645
	647	+(((
	648	+Where:
	649	+)))
646	646
	651	+* (((
	652	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	653	+)))
	654	+* (((
	655	+NN: The length of RS485 command
	656	+)))
	657	+* (((
	658	+XX XX XX XX: RS485 command total NN bytes
	659	+)))
	660	+* (((
	661	+(((
	662	+YY: How many bytes will be uplink from the return of this RS485 command,
	663	+)))
647	647
648		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	665	+* (((
	666	+if YY=0, RS485-LN will execute the downlink command without uplink;
	667	+)))
	668	+* (((
	669	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	670	+)))
	671	+* (((
	672	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	673	+)))
	674	+)))
649	649
650		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	676	+(((
	677	+
651	651
652		-* AT Command
	679	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	680	+)))
653	653
654		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	682	+(((
	683	+To connect a Modbus Alarm with below commands.
	684	+)))
655	655
656		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	686	+* (((
	687	+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.
	688	+)))
657	657
	690	+* (((
	691	+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.
	692	+)))
658	658
	694	+(((
	695	+
659	659
660		-* Downlink Payload
	697	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	698	+)))
661	661
662		-Format: A8 MM NN XX XX XX XX YY
	700	+(((
	701	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	702	+)))
663	663
664		-Where:
	704	+(((
	705	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	706	+)))
665	665
666		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
667		-* NN: The length of RS485 command
668		-* XX XX XX XX: RS485 command total NN bytes
669		-* 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
	708	+(((
	709	+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.
	710	+)))
670	670
671		-**Example 1:**
	712	+(((
	713	+
	714	+)))
672	672
673		-To connect a Modbus Alarm with below commands.
	716	+(((
	717	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	718	+)))
674	674
675		-* 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.
	720	+(((
	721	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	722	+)))
676	676
677		-* 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.
	724	+(((
	725	+
	726	+)))
678	678
679		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	728	+(((
	729	+(((
	730	+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**
	731	+)))
680	680
681		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	733	+
	734	+)))
682	682
683		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	736	+(((
	737	+ (% 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" %)​
	738	+)))
684	684
685		-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.
686	686
687	687
688		-**Example 2:**
689	689
690		-Check TTL Sensor return:
	743	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
691	691
692		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	745	+(((
	746	+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.
	747	+)))
693	693
	749	+* (((
	750	+(% style="color:#037691" %)**AT Command:**
694	694
	752	+**AT+PAYVER:    **Set PAYVER field = 1
695	695
	754	+
	755	+)))
	756	+* (((
	757	+(% style="color:#037691" %)**Downlink Payload:**
	758	+)))
696	696
697		-==== Set Payload version ====
	760	+(((
	761	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	762	+)))
698	698
699		-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.
	764	+(((
	765	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	766	+)))
700	700
701		-* AT Command:
702	702
703		-AT+PAYVER: Set PAYVER field = 1
704	704
705	705
706		-* Downlink Payload:
	771	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
707	707
708		-0xAE 01   à Set PAYVER field =  0x01
	773	+(((
	774	+AT+COMMANDx or AT+DATACUTx
	775	+)))
709	709
710		-0xAE 0F   à Set PAYVER field =  0x0F
	777	+(((
	778	+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"]].
	779	+)))
711	711
	781	+(((
	782	+
	783	+)))
712	712
713		-==== Set RS485 Sampling Commands ====
	785	+* (((
	786	+(% style="color:#037691" %)**AT Command:**
	787	+)))
714	714
715		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	789	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
716	716
717		-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]].
	791	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
718	718
719	719
720		-* AT Command:
	794	+* (((
	795	+(% style="color:#037691" %)**Downlink Payload:**
	796	+)))
721	721
722		-AT+COMMANDx: Configure RS485 read command to sensor.
	798	+(((
	799	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	800	+)))
723	723
724		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	802	+(((
	803	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	804	+)))
725	725
726		-AT+SEARCHx: Configure search command
	806	+(((
	807	+Format: AF MM NN LL XX XX XX XX YY
	808	+)))
727	727
	810	+(((
	811	+Where:
	812	+)))
728	728
729		-* Downlink Payload:
	814	+* (((
	815	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	816	+)))
	817	+* (((
	818	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	819	+)))
	820	+* (((
	821	+LL:  The length of AT+COMMAND or AT+DATACUT command
	822	+)))
	823	+* (((
	824	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	825	+)))
	826	+* (((
	827	+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.
	828	+)))
730	730
731		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	830	+(((
	831	+
732	732
733		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	833	+**Example:**
	834	+)))
734	734
735		-Format: AF MM NN LL XX XX XX XX YY
	836	+(((
	837	+(% 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
	838	+)))
736	736
737		-Where:
	840	+(((
	841	+(% 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**
	842	+)))
738	738
739		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
740		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
741		-* LL: The length of AT+COMMAND or AT+DATACUT command
742		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
743		-* 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.
	844	+(((
	845	+(% 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**
	846	+)))
744	744
745		-Example:
746	746
747		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
748	748
749		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
750	750
751		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	851	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
752	752
	853	+(((
	854	+**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]].
	855	+)))
753	753
754		-0xAB downlink command can be used for set AT+SEARCHx
	857	+(((
	858	+This command is valid since v1.3 firmware version
	859	+)))
755	755
756		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	861	+(((
	862	+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.
	863	+)))
757	757
758		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
759		-* 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
	865	+(((
	866	+
	867	+)))
760	760
761		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	869	+(((
	870	+**Example:**
	871	+)))
762	762
	873	+* (((
	874	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	875	+)))
	876	+* (((
	877	+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.
	878	+)))
	879	+* (((
	880	+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.
763	763
764		-==== Fast command to handle MODBUS device ====
	882	+
	883	+)))
765	765
766		-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]].
	885	+(% 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" %)​
767	767
768		-This command is valid since v1.3 firmware version
	887	+(% 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" %)​
769	769
770	770
771		-AT+MBFUN has only two value:
772	772
773		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
774	774
775		-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.
	892	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
776	776
777		-* AT+MBFUN=0: Disable Modbus fast reading.
	894	+(((
	895	+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.
	896	+)))
778	778
779		-Example:
	898	+(((
	899	+Default value: 0, range:  0 ~~ 65 seconds
	900	+)))
780	780
781		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
782		-* 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.
783		-* 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.
	902	+* (((
	903	+(% style="color:#037691" %)** AT Command:**
784	784
785		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	905	+**AT+CMDDLaa=hex(bb cc)*1000**
	906	+)))
786	786
	908	+(((
	909	+
787	787
788		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	911	+**Example:**
	912	+)))
789	789
	914	+(((
	915	+**AT+CMDDL1=1000** to send the open time to 1000ms
	916	+)))
790	790
791		-* Downlink Commands:
	918	+(((
	919	+
	920	+)))
792	792
793		-A9 aa -à Same as AT+MBFUN=aa
	922	+* (((
	923	+(% style="color:#037691" %)** Downlink Payload:**
	924	+)))
794	794
	926	+(((
	927	+**0x AA aa bb cc**
	928	+)))
795	795
796		-==== RS485 command timeout ====
	930	+(((
	931	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	932	+)))
797	797
798		-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.
	934	+(((
	935	+**Example:**
	936	+)))
799	799
800		-Default value: 0, range:  0 ~~ 5 seconds
	938	+(((
	939	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	940	+)))
801	801
802	802
803		-* AT Command:
804	804
805		-AT+CMDDLaa=hex(bb cc)
806	806
807		-Example:
	945	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
808	808
809		-**AT+CMDDL1=1000** to send the open time to 1000ms
	947	+(((
	948	+Define to use one uplink or multiple uplinks for the sampling.
	949	+)))
810	810
	951	+(((
	952	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
811	811
812		-* Downlink Payload:
	954	+
	955	+)))
813	813
814		-0x AA aa bb cc
	957	+* (((
	958	+(% style="color:#037691" %)** AT Command:**
	959	+)))
815	815
816		-Same as: AT+CMDDLaa=hex(bb cc)
	961	+**AT+DATAUP=0**
817	817
818		- Example:
	963	+**AT+DATAUP=1**
819	819
820		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
821	821
	966	+* (((
	967	+(% style="color:#037691" %)** Downlink Payload:**
	968	+)))
822	822
823		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	970	+(((
	971	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	972	+)))
824	824
825		-Define to use one uplink or multiple uplinks for the sampling.
	974	+(((
	975	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	976	+)))
826	826
827		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
828	828
829		-* AT Command:
830	830
831		-AT+DATAUP=0
832	832
833		-AT+DATAUP=1
	981	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
834	834
	983	+(((
	984	+Ask device to send an uplink immediately.
	985	+)))
835	835
836		-* Downlink Payload:
	987	+* (((
	988	+(% style="color:#037691" %)** AT Command:**
	989	+)))
837	837
838		-0xAD 00   à Same as AT+DATAUP=0
	991	+(((
	992	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	993	+)))
839	839
840		-0xAD 01   à Same as AT+DATAUP=1
	995	+(((
	996	+
	997	+)))
841	841
	999	+* (((
	1000	+(% style="color:#037691" %)** Downlink Payload:**
	1001	+)))
842	842
843		-==== Manually trigger an Uplink ====
	1003	+(((
	1004	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1005	+)))
844	844
845		-Ask device to send an uplink immediately.
846	846
847		-* Downlink Payload:
848	848
849		-0x08 FF, RS485-BL will immediately send an uplink.
850	850
	1010	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
851	851
852		-==== Clear RS485 Command ====
853		-
	1012	+(((
854	854	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
855	855
	1015	+
	1016	+)))
856	856
857		-* AT Command:
	1018	+* (((
	1019	+(% style="color:#037691" %)** AT Command:**
	1020	+)))
858	858
	1022	+(((
859	859	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1024	+)))
860	860
	1026	+(((
861	861	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1028	+)))
862	862
	1030	+(((
863	863	Example screen shot after clear all RS485 commands.
	1032	+)))
864	864
	1034	+(((
	1035	+
	1036	+)))
865	865
866		-
	1038	+(((
867	867	The uplink screen shot is:
	1040	+)))
868	868
869		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1042	+(% 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" %)​
870	870
871	871
872		-* Downlink Payload:
	1045	+* (((
	1046	+(% style="color:#037691" %)** Downlink Payload:**
	1047	+)))
873	873
874		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1049	+(((
	1050	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1051	+)))
875	875
876	876
877		-==== Set Serial Communication Parameters ====
878	878
	1055	+
	1056	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1057	+
	1058	+(((
879	879	Set the Rs485 serial communication parameters:
	1060	+)))
880	880
881		-* AT Command:
	1062	+* (((
	1063	+(% style="color:#037691" %)** AT Command:**
	1064	+)))
882	882
883		-Set Baud Rate:
	1066	+(((
	1067	+
884	884
885		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1069	+* Set Baud Rate
	1070	+)))
886	886
	1072	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
887	887
888		-Set UART parity
889	889
890		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1075	+(((
	1076	+* Set UART Parity
	1077	+)))
891	891
	1079	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
892	892
893		-Set STOPBIT
894	894
895		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1082	+(((
	1083	+* Set STOPBIT
	1084	+)))
896	896
	1086	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
897	897
898		-* Downlink Payload:
899	899
900		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
901	901
902		-Example:
	1090	+* (((
	1091	+(% style="color:#037691" %)** Downlink Payload:**
	1092	+)))
903	903
904		-* A7 01 00 60   same as AT+BAUDR=9600
905		-* A7 01 04 80  same as AT+BAUDR=115200
	1094	+(((
	1095	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1096	+)))
906	906
907		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1098	+(((
	1099	+**Example:**
	1100	+)))
908	908
909		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1102	+* (((
	1103	+A7 01 00 60   same as AT+BAUDR=9600
	1104	+)))
	1105	+* (((
	1106	+A7 01 04 80  same as AT+BAUDR=115200
	1107	+)))
910	910
	1109	+(((
	1110	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1111	+)))
911	911
912		-==== Control output power duration ====
	1113	+(((
	1114	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1115	+)))
913	913
914		-User can set the output power duration before each sampling.
915	915
916		-* AT Command:
917	917
918		-Example:
919	919
920		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1120	+== 3.6 Listening mode for RS485 network ==
921	921
922		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
923	923
	1123	+(((
	1124	+This feature support since firmware v1.4
	1125	+)))
924	924
925		-* LoRaWAN Downlink Command:
	1127	+(((
	1128	+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.
926	926
927		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1130	+
	1131	+)))
928	928
929		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1133	+(% 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" %)​
930	930
	1135	+(((
	1136	+To enable the listening mode, use can run the command AT+RXMODE.
	1137	+)))
931	931
	1139	+(((
	1140	+
	1141	+)))
932	932
	1143	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1144	+|=(% style="width: 100px;" %)(((
	1145	+**Command example**
	1146	+)))|=(% style="width: 400px;" %)(((
	1147	+**Function**
	1148	+)))
	1149	+|(% style="width:100px" %)(((
	1150	+AT+RXMODE=1,10
	1151	+)))|(% style="width:400px" %)(((
	1152	+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.
	1153	+)))
	1154	+|(% style="width:100px" %)(((
	1155	+AT+RXMODE=2,500
	1156	+)))|(% style="width:400px" %)(((
	1157	+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
	1158	+)))
	1159	+|(% style="width:100px" %)(((
	1160	+AT+RXMODE=0,0
	1161	+)))|(% style="width:400px" %)(((
	1162	+Disable listening mode. This is the default settings.
	1163	+)))
	1164	+|(% style="width:100px" %)(((
	1165	+
	1166	+)))|(% style="width:400px" %)(((
	1167	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1168	+)))
933	933
934		-1.
935		-11. Buttons
	1170	+(((
	1171	+(% style="color:#037691" %)** Downlink Command:**
	1172	+)))
936	936
937		-|**Button**|**Feature**
938		-|**RST**|Reboot RS485-BL
	1174	+(((
	1175	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1176	+)))
939	939
940		-1.
941		-11. +3V3 Output
	1178	+(((
	1179	+
	1180	+)))
942	942
943		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1182	+(((
	1183	+**Example**:
	1184	+)))
944	944
945		-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.
	1186	+(((
	1187	+The RS485-LN is set to AT+RXMODE=2,1000
	1188	+)))
946	946
	1190	+(((
	1191	+There is a two Modbus commands in the RS485 network as below:
	1192	+)))
947	947
948		-The +3V3 output time can be controlled by AT Command.
	1194	+(((
	1195	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1196	+)))
949	949
950		-**AT+3V3T=1000**
	1198	+(((
	1199	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1200	+)))
951	951
952		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1202	+(((
	1203	+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
	1204	+)))
953	953
	1206	+(((
	1207	+(% 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" %)​
	1208	+)))
954	954
955		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1210	+(((
	1211	+
	1212	+)))
956	956
	1214	+(((
	1215	+(((
	1216	+(% 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.**
	1217	+)))
	1218	+)))
957	957
958		-1.
959		-11. +5V Output
960	960
961		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
962	962
963		-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.
	1222	+== 3.7 Buttons ==
964	964
965	965
966		-The 5V output time can be controlled by AT Command.
	1225	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1226	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1227	+|(% 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**
	1228	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1229	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
967	967
968		-**AT+5VT=1000**
969	969
970		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
971	971
	1233	+== 3.8 LEDs ==
972	972
973		-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.
974	974
	1236	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1237	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1238	+|**PWR**|Always on if there is power
	1239	+|**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.
975	975
976	976
977	977
978		-1.
979		-11. LEDs
	1243	+= 4. Case Study =
980	980
981		-|**LEDs**|**Feature**
982		-|**LED1**|Blink when device transmit a packet.
983	983
984		-1.
985		-11. Switch Jumper
	1246	+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]]
986	986
987		-|**Switch Jumper**|**Feature**
988		-|**SW1**|(((
989		-ISP position: Upgrade firmware via UART
990	990
991		-Flash position: Configure device, check running status.
	1249	+
	1250	+= 5. Use AT Command =
	1251	+
	1252	+== 5.1 Access AT Command ==
	1253	+
	1254	+
	1255	+(((
	1256	+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.
992	992	)))
993		-|**SW2**|(((
994		-5V position: set to compatible with 5v I/O.
995	995
996		-3.3v position: set to compatible with 3.3v I/O.,
	1259	+(% 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" %)​
	1260	+
	1261	+
	1262	+(((
	1263	+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:
997	997	)))
998	998
999		-+3.3V: is always ON
	1266	+(% 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" %)​
1000	1000
1001		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1002	1002
1003		-1. Case Study
	1269	+(((
	1270	+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/]]
	1271	+)))
1004	1004
1005		-User can check this URL for some case studies.
1006	1006
1007		-[[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]]
1008	1008
	1275	+== 5.2 Common AT Command Sequence ==
1009	1009
1010	1010
	1278	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1011	1011
1012		-1. Use AT Command
1013		-11. Access AT Command
1014	1014
1015		-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.
	1281	+If device has not joined network yet:
1016	1016
1017		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1283	+* (% style="color:#037691" %)**AT+FDR**
	1284	+* (% style="color:#037691" %)**AT+NJM=0**
	1285	+* (% style="color:#037691" %)**ATZ**
1018	1018
	1287	+(((
	1288	+
1019	1019
1020		-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:
	1290	+If device already joined network:
1021	1021
1022		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1292	+* (% style="color:#037691" %)**AT+NJM=0**
	1293	+* (% style="color:#037691" %)**ATZ**
1023	1023
	1295	+
	1296	+)))
1024	1024
1025	1025
1026		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1027	1027
	1300	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1028	1028
1029	1029
1030		-1.
1031		-11. Common AT Command Sequence
1032		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1303	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1033	1033
1034		-If device has not joined network yet:
	1305	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1035	1035
1036		-AT+FDR
	1307	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1037	1037
1038		-AT+NJM=0
	1309	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1039	1039
1040		-ATZ
	1311	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1041	1041
	1313	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1042	1042
1043		-If device already joined network:
	1315	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1044	1044
1045		-AT+NJM=0
	1317	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1046	1046
1047		-ATZ
	1319	+(% 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.
1048	1048
1049		-1.
1050		-11.
1051		-111. Single-channel ABP mode (Use with LG01/LG02)
	1321	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1052	1052
1053		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1054	1054
1055		-AT+NJM=0 Set to ABP mode
	1324	+(% style="color:red" %)**Note:**
1056	1056
1057		-AT+ADR=0 Set the Adaptive Data Rate Off
	1326	+(((
	1327	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1328	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1329	+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.
	1330	+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
	1331	+)))
1058	1058
1059		-AT+DR=5  Set Data Rate
	1333	+(% 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" %)​
1060	1060
1061		-AT+TDC=60000  Set transmit interval to 60 seconds
1062	1062
1063		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1064	1064
1065		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1337	+= 6. FAQ =
1066	1066
1067		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1339	+== 6.1 How to upgrade the image? ==
1068	1068
1069		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1070	1070
1071		-ATZ          Reset MCU
	1342	+(((
	1343	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1344	+)))
1072	1072
1073		-**Note:**
	1346	+* (((
	1347	+Support new features
	1348	+)))
	1349	+* (((
	1350	+For bug fix
	1351	+)))
	1352	+* (((
	1353	+Change LoRaWAN bands.
	1354	+)))
1074	1074
1075		-1. Make sure the device is set to ABP mode in the IoT Server.
1076		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1077		-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.
1078		-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
	1356	+(((
	1357	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1358	+)))
1079	1079
1080		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1360	+(% 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"]](% title="Click and drag to resize" %)​
1081	1081
	1362	+(((
	1363	+(% 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]].
	1364	+)))
1082	1082
1083		-1. FAQ
1084		-11. How to upgrade the image?
	1366	+(((
	1367	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1368	+)))
1085	1085
1086		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1370	+(((
	1371	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1372	+)))
1087	1087
1088		-* Support new features
1089		-* For bug fix
1090		-* Change LoRaWAN bands.
	1374	+(((
	1375	+(((
	1376	+(((
	1377	+(% 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.
	1378	+)))
	1379	+)))
	1380	+)))
1091	1091
1092		-Below shows the hardware connection for how to upload an image to RS485-BL:
1093	1093
1094		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1383	+(% 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" %)​
1095	1095
1096		-**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]].
1097	1097
1098		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1386	+(% 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" %)​
1099	1099
1100		-**Step3: **Open flashloader; choose the correct COM port to update.
1101	1101
	1389	+(% 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" %)​
1102	1102
1103		-|(((
1104		-HOLD PRO then press the RST button, SYS will be ON, then click next
1105		-)))
1106	1106
1107		-|(((
1108		-Board detected
1109		-)))
	1392	+(% 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:**
1110	1110
1111		-|(((
1112		-
1113		-)))
	1394	+(% 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" %)​
1114	1114
1115		-[[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]]
1116	1116
1117	1117
	1398	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1118	1118
1119		-[[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]]
1120	1120
	1401	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1121	1121
1122		-[[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]]
1123	1123
1124	1124
1125		-1.
1126		-11. How to change the LoRa Frequency Bands/Region?
	1405	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1127	1127
1128		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1129	1129
	1408	+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"]].
1130	1130
1131	1131
1132		-1.
1133		-11. How many RS485-Slave can RS485-BL connects?
1134	1134
1135		-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]].
	1412	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1136	1136
1137	1137
	1415	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1138	1138
	1417	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1139	1139
1140		-1. Trouble Shooting
1141		-11. Downlink doesn’t work, how to solve it?
1142	1142
1143		-Please see this link for debug:
1144	1144
1145		-[[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]]
	1421	+== 6.5 Can i use point to point communication for RS485-LN? ==
1146	1146
1147	1147
	1424	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1148	1148
1149		-1.
1150		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1151	1151
1152		-It might about the channels mapping. Please see for detail.
1153	1153
1154		-[[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]]
	1428	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1155	1155
1156	1156
	1431	+[[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/]]
1157	1157
1158		-1. Order Info
1159	1159
1160		-**Part Number: RS485-BL-XXX**
1161	1161
1162		-**XXX:**
	1435	+= 7. Trouble Shooting =
1163	1163
1164		-* **EU433**: frequency bands EU433
1165		-* **EU868**: frequency bands EU868
1166		-* **KR920**: frequency bands KR920
1167		-* **CN470**: frequency bands CN470
1168		-* **AS923**: frequency bands AS923
1169		-* **AU915**: frequency bands AU915
1170		-* **US915**: frequency bands US915
1171		-* **IN865**: frequency bands IN865
1172		-* **RU864**: frequency bands RU864
1173		-* **KZ865: **frequency bands KZ865
1174	1174
1175		-1. Packing Info
	1438	+== 7.1 Downlink doesn't work, how to solve it? ==
1176	1176
	1440	+
	1441	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1442	+
	1443	+
	1444	+
	1445	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1446	+
	1447	+
	1448	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1449	+
	1450	+
	1451	+
	1452	+= 8. Order Info =
	1453	+
	1454	+
	1455	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1456	+
	1457	+(% style="color:blue" %)**XXX:**
	1458	+
	1459	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1460	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1461	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1462	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1463	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1464	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1465	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1466	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1467	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1468	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1469	+
	1470	+
	1471	+
	1472	+
	1473	+= 9.Packing Info =
	1474	+
	1475	+
1177	1177	**Package Includes**:
1178	1178
1179		-* RS485-BL x 1
	1478	+* RS485-LN x 1
1180	1180	* Stick Antenna for LoRa RF part x 1
1181	1181	* Program cable x 1
1182	1182
...	...	@@ -1187,9 +1187,69 @@
1187	1187	* Package Size / pcs : 14.5 x 8 x 5 cm
1188	1188	* Weight / pcs : 170g
1189	1189
1190		-1. Support
1191	1191
1192		-* 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.
1193		-* 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
1194	1194
1195		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1491	+
	1492	+
	1493	+= 10. FCC Caution for RS485LN-US915 =
	1494	+
	1495	+
	1496	+(((
	1497	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1498	+)))
	1499	+
	1500	+(((
	1501	+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.
	1502	+)))
	1503	+
	1504	+(((
	1505	+
	1506	+)))
	1507	+
	1508	+(((
	1509	+(% style="color:red" %)**IMPORTANT NOTE:**
	1510	+)))
	1511	+
	1512	+(((
	1513	+**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:
	1514	+)))
	1515	+
	1516	+(((
	1517	+—Reorient or relocate the receiving antenna.
	1518	+)))
	1519	+
	1520	+(((
	1521	+—Increase the separation between the equipment and receiver.
	1522	+)))
	1523	+
	1524	+(((
	1525	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1526	+)))
	1527	+
	1528	+(((
	1529	+—Consult the dealer or an experienced radio/TV technician for help.
	1530	+)))
	1531	+
	1532	+(((
	1533	+
	1534	+)))
	1535	+
	1536	+(((
	1537	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1538	+)))
	1539	+
	1540	+(((
	1541	+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.
	1542	+)))
	1543	+
	1544	+
	1545	+
	1546	+= 11. Support =
	1547	+
	1548	+
	1549	+* (((
	1550	+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.
	1551	+)))
	1552	+* (((
	1553	+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]].
	1554	+)))

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