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

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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
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9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
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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.
30	30	)))
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31	31
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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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34	34
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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
	72	+
42	42	== 1.2 Specifications ==
43	43
44	44
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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.
	108	+* Packet engine up to 256 bytes with CRC
78	78
79	79
80		-
81	81	== 1.3 Features ==
82	82
	113	+
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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90	90	* Support Interrupt uplink (Since hardware version v1.2)
91	91
92	92
93		-
94	94	== 1.4 Applications ==
95	95
	126	+
96	96	* Smart Buildings & Home Automation
97	97	* Logistics and Supply Chain Management
98	98	* Smart Metering
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101	101	* Smart Factory
102	102
103	103
104		-
105	105	== 1.5 Firmware Change log ==
106	106
	137	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
	141	+
110	110	== 1.6 Hardware Change log ==
111	111
	144	+
112	112	(((
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114	114	v1.2: Add External Interrupt Pin.
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115	115
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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.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
	173	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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140	140
141	141	== 3.1 How it works? ==
142	142
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144	144	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
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147	147	)))
148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
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151	151	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
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153		-[[image:1653268155545-638.png||height="334" width="724"]]
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162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
	210	+(% 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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	212	+
167	167	(((
168		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	214	+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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172		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	218	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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180		-[[image:1652953462722-299.png]]
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182	182	(((
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184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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188		-Add APP EUI in the application.
	235	+**Add APP EUI in the application.**
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192		-[[image:image-20220519174512-1.png]]
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194		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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196		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	243	+(% 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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198		-[[image:image-20220519174512-4.png]]
	245	+(% 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" %)​
199	199
200	200	You can also choose to create the device manually.
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202		-[[image:1652953542269-423.png||height="710" width="723"]]
	249	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	253	+**Add APP KEY and DEV EUI**
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	256	+
	257	+
209	209	(((
210		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	259	+(% 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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213		-[[image:1652953568895-172.png||height="232" width="724"]]
	262	+(% 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" %)​
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215	215
	265	+
216	216	== 3.3 Configure Commands to read data ==
217	217
	268	+
218	218	(((
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220		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	271	+(((
	272	+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.
221	221	)))
	274	+)))
222	222
223	223	(((
224		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	277	+(((
	278	+(% 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**
	279	+)))
225	225
	281	+
226	226
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	286	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231	231
	288	+
232	232	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	291	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	292	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	294	+)))|=(% style="width: 190px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	296	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	299	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	301	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	303	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
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252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	312	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	314	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	316	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
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265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	325	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	327	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
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275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	335	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
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290	290	)))
291	291
292	292
293		-
294	294	=== 3.3.2 Configure sensors ===
295	295
	352	+
296	296	(((
297	297	(((
298		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
	355	+Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
	356	+
	357	+
299	299	)))
300	300	)))
301	301
302		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
303		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
304		-|AT+CFGDEV|(% style="width:418px" %)(((
	361	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	362	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	363	+|AT+CFGDEV|(% style="width:110px" %)(((
	364	+(((
305	305	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	366	+)))
306	306
	368	+(((
307	307	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	370	+)))
308	308
	372	+(((
309	309	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	374	+)))
	375	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
311	311
312	312
313		-
314	314	=== 3.3.3 Configure read commands for each sampling ===
315	315
	380	+
316	316	(((
317	317	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.
318	318
...	...	@@ -323,28 +323,25 @@
323	323	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
324	324
325	325
326		-**Each RS485 commands include two parts:**
	391	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
327	327
328	328	~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.
329	329
330	330	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.
331	331
332		-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
	397	+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
333	333
334		-**AT+CMDDL1=1000** to send the open time to 1000ms
335	335
336		-
337	337	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
338	338
339		-
340	340	Below are examples for the how above AT Commands works.
341	341
342	342
343		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	405	+(% 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:
344	344
345	345	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
346	346	|(% style="width:496px" %)(((
347		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	409	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
348	348
349	349	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
350	350
...	...	@@ -356,45 +356,50 @@
356	356	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
357	357
358	358
359		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	421	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
360	360
361		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
362		-|(% style="width:722px" %)(((
	423	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	424	+|(% style="width:510px" %)(((
363	363	**AT+DATACUTx=a,b,c**
364	364
365	365	* **a: length for the return of AT+COMMAND**
366	366	* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
367		-* **c: define the position for valid value. **
	429	+* **c: define the position for valid value.  **
368	368	)))
369	369
370		-
371	371	**Examples:**
372	372
373		-* Grab bytes:
	434	+* (% style="color:#037691" %)**Grab bytes**
374	374
375		-[[image:image-20220602153621-1.png]]
	436	+(% 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" %)​
376	376
377	377
378		-* Grab a section.
	439	+* (% style="color:#037691" %)**Grab a section**
379	379
380		-[[image:image-20220602153621-2.png]]
	441	+(% 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" %)​
381	381
382	382
383		-* Grab different sections.
	444	+* (% style="color:#037691" %)**Grab different sections**
384	384
385		-[[image:image-20220602153621-3.png]]
	446	+(% 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" %)​
386	386
	448	+
387	387
388	388	)))
389	389
390	390	=== 3.3.4 Compose the uplink payload ===
391	391
	454	+
392	392	(((
393	393	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.**
	457	+
	458	+
394	394	)))
395	395
396	396	(((
397		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	462	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	463	+
	464	+
398	398	)))
399	399
400	400	(((
...	...	@@ -413,10 +413,12 @@
413	413	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
414	414	)))
415	415
416		-[[image:1653269759169-150.png||height="513" width="716"]]
	483	+(% 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" %)​
417	417
418		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
419	419
	486	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	487	+
	488	+
420	420	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
421	421
422	422	Final Payload is
...	...	@@ -423,687 +423,978 @@
423	423
424	424	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
425	425
426		-1. Battery Info (2 bytes): Battery voltage
427		-1. PAYVER (1 byte): Defined by AT+PAYVER
428		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
429		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
430		-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
431	431
432		-[[image:1653269916228-732.png||height="433" width="711"]]
	496	+1. PAYVER: Defined by AT+PAYVER
	497	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	498	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	499	+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
433	433
	501	+(% 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" %)​
434	434
435		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
436	436
437		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	504	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
438	438
439		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	506	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
440	440
441		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	508	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
442	442
443		-Below are the uplink payloads:
	510	+DATA3=the rest of Valid value of RETURN10= **30**
444	444
445		-[[image:1653270130359-810.png]]
446	446
	513	+(% 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:**
447	447
448		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	515	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
449	449
450		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	517	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
451	451
452		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	519	+ * For US915 band, max 11 bytes for each uplink.
453	453
454		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	521	+ ~* For all other bands: max 51 bytes for each uplink.
455	455
456		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
457	457
458		-=== 3.3.5 Uplink on demand ===
	524	+Below are the uplink payloads:
459	459
460		-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.
	526	+(% 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" %)​
461	461
462		-Downlink control command:
463	463
464		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
465	465
466		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	530	+=== 3.3.5 Uplink on demand ===
467	467
468	468
	533	+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.
469	469
470		-1.
471		-11.
472		-111. Uplink on Interrupt
	535	+Downlink control command:
473	473
474		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	537	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
475	475
476		-AT+INTMOD=0  Disable Interrupt
	539	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
477	477
478		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
479	479
480		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
481	481
482		-AT+INTMOD=3  Interrupt trigger by rising edge.
	543	+=== 3.3.6 Uplink on Interrupt ===
483	483
484	484
485		-1.
486		-11. Uplink Payload
	546	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
487	487
488		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
489		-|Value|(((
490		-Battery(mV)
	548	+(% 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" %)​
491	491
492		-&
	550	+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.
493	493
494		-Interrupt _Flag
495		-)))|(((
496		-PAYLOAD_VER
497	497
498		-
499		-)))|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.
500	500
501		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	554	+== 3.4 Uplink Payload ==
502	502
503	503
504		-function Decoder(bytes, port) {
	557	+(% 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" %)​
505	505
506		-~/~/Payload Formats of RS485-BL Deceive
	559	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
507	507
508		-return {
509	509
510		- ~/~/Battery,units:V
511	511
512		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	563	+== 3.5 Configure RS485-LN via AT or Downlink ==
513	513
514		- ~/~/GPIO_EXTI
515	515
516		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	566	+(((
	567	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	568	+)))
517	517
518		- ~/~/payload of version
	570	+(((
	571	+There are two kinds of Commands:
	572	+)))
519	519
520		- Pay_ver:bytes[2],
	574	+* (((
	575	+(% 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]]
	576	+)))
521	521
522		- };
	578	+* (((
	579	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	580	+)))
523	523
524		- }
	582	+(((
	583	+
	584	+)))
525	525
526	526
527	527
	588	+=== 3.5.1 Common Commands ===
528	528
529	529
	591	+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]]
530	530
531	531
532		-TTN V3 uplink screen shot.
533	533
534		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	595	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
535	535
536		-1.
537		-11. Configure RS485-BL via AT or Downlink
538	538
539		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	598	+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.
540	540
541		-There are two kinds of Commands:
	600	+(% 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" %)​
542	542
543		-* **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
	602	+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)
544	544
545		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
546	546
547		-1.
548		-11.
549		-111. Common Commands:
550	550
551		-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]]
	606	+=== 3.5.3 Sensor related commands ===
552	552
553	553
554		-1.
555		-11.
556		-111. Sensor related commands:
557	557
558		-==== Choose Device Type (RS485 or TTL) ====
559	559
560		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	611	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
561	561
562		-* AT Command
	613	+(((
	614	+This command is used to configure the RS485 devices; they won't be used during sampling.
	615	+)))
563	563
564		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	617	+* (((
	618	+(% style="color:#037691" %)**AT Command**
565	565
566		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	620	+(((
	621	+**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
	622	+)))
	623	+)))
567	567
	625	+(((
	626	+
	627	+)))
568	568
569		-* Downlink Payload
	629	+* (((
	630	+(% style="color:#037691" %)**Downlink Payload**
	631	+)))
570	570
571		-**0A aa**     à same as AT+MOD=aa
	633	+(((
	634	+Format: A8 MM NN XX XX XX XX YY
	635	+)))
572	572
	637	+(((
	638	+Where:
	639	+)))
573	573
	641	+* (((
	642	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	643	+)))
	644	+* (((
	645	+NN: The length of RS485 command
	646	+)))
	647	+* (((
	648	+XX XX XX XX: RS485 command total NN bytes
	649	+)))
	650	+* (((
	651	+(((
	652	+YY: How many bytes will be uplink from the return of this RS485 command,
	653	+)))
574	574
575		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	655	+* (((
	656	+if YY=0, RS485-LN will execute the downlink command without uplink;
	657	+)))
	658	+* (((
	659	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	660	+)))
	661	+* (((
	662	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	663	+)))
	664	+)))
576	576
577		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	666	+(((
	667	+
578	578
579		-* AT Command
	669	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	670	+)))
580	580
581		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	672	+(((
	673	+To connect a Modbus Alarm with below commands.
	674	+)))
582	582
583		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	676	+* (((
	677	+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.
	678	+)))
584	584
	680	+* (((
	681	+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.
	682	+)))
585	585
	684	+(((
	685	+
586	586
587		-* Downlink Payload
	687	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	688	+)))
588	588
589		-Format: A8 MM NN XX XX XX XX YY
	690	+(((
	691	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	692	+)))
590	590
591		-Where:
	694	+(((
	695	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	696	+)))
592	592
593		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
594		-* NN: The length of RS485 command
595		-* XX XX XX XX: RS485 command total NN bytes
596		-* 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
	698	+(((
	699	+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.
	700	+)))
597	597
598		-**Example 1:**
	702	+(((
	703	+
	704	+)))
599	599
600		-To connect a Modbus Alarm with below commands.
	706	+(((
	707	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	708	+)))
601	601
602		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	710	+(((
	711	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	712	+)))
603	603
604		-* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	714	+(((
	715	+
	716	+)))
605	605
606		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	718	+(((
	719	+(((
	720	+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**
	721	+)))
607	607
608		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	723	+
	724	+)))
609	609
610		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	726	+(((
	727	+ (% 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" %)​
	728	+)))
611	611
612		-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.
613	613
614	614
615		-**Example 2:**
616	616
617		-Check TTL Sensor return:
	733	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
618	618
619		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	735	+(((
	736	+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.
	737	+)))
620	620
	739	+* (((
	740	+(% style="color:#037691" %)**AT Command:**
621	621
	742	+**AT+PAYVER:    **Set PAYVER field = 1
622	622
	744	+
	745	+)))
	746	+* (((
	747	+(% style="color:#037691" %)**Downlink Payload:**
	748	+)))
623	623
624		-==== Set Payload version ====
	750	+(((
	751	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	752	+)))
625	625
626		-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.
	754	+(((
	755	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	756	+)))
627	627
628		-* AT Command:
629	629
630		-AT+PAYVER: Set PAYVER field = 1
631	631
632	632
633		-* Downlink Payload:
	761	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
634	634
635		-0xAE 01   à Set PAYVER field =  0x01
	763	+(((
	764	+AT+COMMANDx or AT+DATACUTx
	765	+)))
636	636
637		-0xAE 0F   à Set PAYVER field =  0x0F
	767	+(((
	768	+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"]].
	769	+)))
638	638
	771	+(((
	772	+
	773	+)))
639	639
640		-==== Set RS485 Sampling Commands ====
	775	+* (((
	776	+(% style="color:#037691" %)**AT Command:**
	777	+)))
641	641
642		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	779	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
643	643
644		-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]].
	781	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
645	645
646	646
647		-* AT Command:
	784	+* (((
	785	+(% style="color:#037691" %)**Downlink Payload:**
	786	+)))
648	648
649		-AT+COMMANDx: Configure RS485 read command to sensor.
	788	+(((
	789	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	790	+)))
650	650
651		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	792	+(((
	793	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	794	+)))
652	652
653		-AT+SEARCHx: Configure search command
	796	+(((
	797	+Format: AF MM NN LL XX XX XX XX YY
	798	+)))
654	654
	800	+(((
	801	+Where:
	802	+)))
655	655
656		-* Downlink Payload:
	804	+* (((
	805	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	806	+)))
	807	+* (((
	808	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	809	+)))
	810	+* (((
	811	+LL:  The length of AT+COMMAND or AT+DATACUT command
	812	+)))
	813	+* (((
	814	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	815	+)))
	816	+* (((
	817	+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.
	818	+)))
657	657
658		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	820	+(((
	821	+
659	659
660		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	823	+**Example:**
	824	+)))
661	661
662		-Format: AF MM NN LL XX XX XX XX YY
	826	+(((
	827	+(% 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
	828	+)))
663	663
664		-Where:
	830	+(((
	831	+(% 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**
	832	+)))
665	665
666		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
667		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
668		-* LL: The length of AT+COMMAND or AT+DATACUT command
669		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
670		-* 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.
	834	+(((
	835	+(% 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**
	836	+)))
671	671
672		-Example:
673	673
674		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
675	675
676		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
677	677
678		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	841	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
679	679
	843	+(((
	844	+**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]].
	845	+)))
680	680
681		-0xAB downlink command can be used for set AT+SEARCHx
	847	+(((
	848	+This command is valid since v1.3 firmware version
	849	+)))
682	682
683		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	851	+(((
	852	+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.
	853	+)))
684	684
685		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
686		-* 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
	855	+(((
	856	+
	857	+)))
687	687
688		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	859	+(((
	860	+**Example:**
	861	+)))
689	689
	863	+* (((
	864	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	865	+)))
	866	+* (((
	867	+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.
	868	+)))
	869	+* (((
	870	+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.
690	690
691		-==== Fast command to handle MODBUS device ====
	872	+
	873	+)))
692	692
693		-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]].
	875	+(% 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" %)​
694	694
695		-This command is valid since v1.3 firmware version
	877	+(% 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" %)​
696	696
697	697
698		-AT+MBFUN has only two value:
699	699
700		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
701	701
702		-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.
	882	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
703	703
704		-* AT+MBFUN=0: Disable Modbus fast reading.
	884	+(((
	885	+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.
	886	+)))
705	705
706		-Example:
	888	+(((
	889	+Default value: 0, range:  0 ~~ 65 seconds
	890	+)))
707	707
708		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
709		-* 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.
710		-* 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.
	892	+* (((
	893	+(% style="color:#037691" %)** AT Command:**
711	711
712		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	895	+**AT+CMDDLaa=hex(bb cc)*1000**
	896	+)))
713	713
	898	+(((
	899	+
714	714
715		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	901	+**Example:**
	902	+)))
716	716
	904	+(((
	905	+**AT+CMDDL1=1000** to send the open time to 1000ms
	906	+)))
717	717
718		-* Downlink Commands:
	908	+(((
	909	+
	910	+)))
719	719
720		-A9 aa -à Same as AT+MBFUN=aa
	912	+* (((
	913	+(% style="color:#037691" %)** Downlink Payload:**
	914	+)))
721	721
	916	+(((
	917	+**0x AA aa bb cc**
	918	+)))
722	722
723		-==== RS485 command timeout ====
	920	+(((
	921	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	922	+)))
724	724
725		-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.
	924	+(((
	925	+**Example:**
	926	+)))
726	726
727		-Default value: 0, range:  0 ~~ 5 seconds
	928	+(((
	929	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	930	+)))
728	728
729	729
730		-* AT Command:
731	731
732		-AT+CMDDLaa=hex(bb cc)
733	733
734		-Example:
	935	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
735	735
736		-**AT+CMDDL1=1000** to send the open time to 1000ms
	937	+(((
	938	+Define to use one uplink or multiple uplinks for the sampling.
	939	+)))
737	737
	941	+(((
	942	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
738	738
739		-* Downlink Payload:
	944	+
	945	+)))
740	740
741		-0x AA aa bb cc
	947	+* (((
	948	+(% style="color:#037691" %)** AT Command:**
	949	+)))
742	742
743		-Same as: AT+CMDDLaa=hex(bb cc)
	951	+**AT+DATAUP=0**
744	744
745		- Example:
	953	+**AT+DATAUP=1**
746	746
747		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
748	748
	956	+* (((
	957	+(% style="color:#037691" %)** Downlink Payload:**
	958	+)))
749	749
750		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	960	+(((
	961	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	962	+)))
751	751
752		-Define to use one uplink or multiple uplinks for the sampling.
	964	+(((
	965	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	966	+)))
753	753
754		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
755	755
756		-* AT Command:
757	757
758		-AT+DATAUP=0
759	759
760		-AT+DATAUP=1
	971	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
761	761
	973	+(((
	974	+Ask device to send an uplink immediately.
	975	+)))
762	762
763		-* Downlink Payload:
	977	+* (((
	978	+(% style="color:#037691" %)** AT Command:**
	979	+)))
764	764
765		-0xAD 00   à Same as AT+DATAUP=0
	981	+(((
	982	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	983	+)))
766	766
767		-0xAD 01   à Same as AT+DATAUP=1
	985	+(((
	986	+
	987	+)))
768	768
	989	+* (((
	990	+(% style="color:#037691" %)** Downlink Payload:**
	991	+)))
769	769
770		-==== Manually trigger an Uplink ====
	993	+(((
	994	+**0x08 FF**, RS485-LN will immediately send an uplink.
	995	+)))
771	771
772		-Ask device to send an uplink immediately.
773	773
774		-* Downlink Payload:
775	775
776		-0x08 FF, RS485-BL will immediately send an uplink.
777	777
	1000	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
778	778
779		-==== Clear RS485 Command ====
780		-
	1002	+(((
781	781	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
782	782
	1005	+
	1006	+)))
783	783
784		-* AT Command:
	1008	+* (((
	1009	+(% style="color:#037691" %)** AT Command:**
	1010	+)))
785	785
	1012	+(((
786	786	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1014	+)))
787	787
	1016	+(((
788	788	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1018	+)))
789	789
	1020	+(((
790	790	Example screen shot after clear all RS485 commands.
	1022	+)))
791	791
	1024	+(((
	1025	+
	1026	+)))
792	792
793		-
	1028	+(((
794	794	The uplink screen shot is:
	1030	+)))
795	795
796		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1032	+(% 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" %)​
797	797
798	798
799		-* Downlink Payload:
	1035	+* (((
	1036	+(% style="color:#037691" %)** Downlink Payload:**
	1037	+)))
800	800
801		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1039	+(((
	1040	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1041	+)))
802	802
803	803
804		-==== Set Serial Communication Parameters ====
805	805
	1045	+
	1046	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1047	+
	1048	+(((
806	806	Set the Rs485 serial communication parameters:
	1050	+)))
807	807
808		-* AT Command:
	1052	+* (((
	1053	+(% style="color:#037691" %)** AT Command:**
	1054	+)))
809	809
810		-Set Baud Rate:
	1056	+(((
	1057	+
811	811
812		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1059	+* Set Baud Rate
	1060	+)))
813	813
	1062	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
814	814
815		-Set UART parity
816	816
817		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1065	+(((
	1066	+* Set UART Parity
	1067	+)))
818	818
	1069	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
819	819
820		-Set STOPBIT
821	821
822		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1072	+(((
	1073	+* Set STOPBIT
	1074	+)))
823	823
	1076	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
824	824
825		-* Downlink Payload:
826	826
827		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
828	828
829		-Example:
	1080	+* (((
	1081	+(% style="color:#037691" %)** Downlink Payload:**
	1082	+)))
830	830
831		-* A7 01 00 60   same as AT+BAUDR=9600
832		-* A7 01 04 80  same as AT+BAUDR=115200
	1084	+(((
	1085	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1086	+)))
833	833
834		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1088	+(((
	1089	+**Example:**
	1090	+)))
835	835
836		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1092	+* (((
	1093	+A7 01 00 60   same as AT+BAUDR=9600
	1094	+)))
	1095	+* (((
	1096	+A7 01 04 80  same as AT+BAUDR=115200
	1097	+)))
837	837
	1099	+(((
	1100	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1101	+)))
838	838
839		-==== Control output power duration ====
	1103	+(((
	1104	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1105	+)))
840	840
841		-User can set the output power duration before each sampling.
842	842
843		-* AT Command:
844	844
845		-Example:
846	846
847		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1110	+== 3.6 Listening mode for RS485 network ==
848	848
849		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
850	850
	1113	+(((
	1114	+This feature support since firmware v1.4
	1115	+)))
851	851
852		-* LoRaWAN Downlink Command:
	1117	+(((
	1118	+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.
853	853
854		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1120	+
	1121	+)))
855	855
856		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1123	+(% 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" %)​
857	857
	1125	+(((
	1126	+To enable the listening mode, use can run the command AT+RXMODE.
	1127	+)))
858	858
	1129	+(((
	1130	+
	1131	+)))
859	859
	1133	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1134	+|=(% style="width: 100px;" %)(((
	1135	+**Command example**
	1136	+)))|=(% style="width: 400px;" %)(((
	1137	+**Function**
	1138	+)))
	1139	+|(% style="width:100px" %)(((
	1140	+AT+RXMODE=1,10
	1141	+)))|(% style="width:400px" %)(((
	1142	+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.
	1143	+)))
	1144	+|(% style="width:100px" %)(((
	1145	+AT+RXMODE=2,500
	1146	+)))|(% style="width:400px" %)(((
	1147	+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
	1148	+)))
	1149	+|(% style="width:100px" %)(((
	1150	+AT+RXMODE=0,0
	1151	+)))|(% style="width:400px" %)(((
	1152	+Disable listening mode. This is the default settings.
	1153	+)))
	1154	+|(% style="width:100px" %)(((
	1155	+
	1156	+)))|(% style="width:400px" %)(((
	1157	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1158	+)))
860	860
861		-1.
862		-11. Buttons
	1160	+(((
	1161	+(% style="color:#037691" %)** Downlink Command:**
	1162	+)))
863	863
864		-|**Button**|**Feature**
865		-|**RST**|Reboot RS485-BL
	1164	+(((
	1165	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1166	+)))
866	866
867		-1.
868		-11. +3V3 Output
	1168	+(((
	1169	+
	1170	+)))
869	869
870		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1172	+(((
	1173	+**Example**:
	1174	+)))
871	871
872		-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.
	1176	+(((
	1177	+The RS485-LN is set to AT+RXMODE=2,1000
	1178	+)))
873	873
	1180	+(((
	1181	+There is a two Modbus commands in the RS485 network as below:
	1182	+)))
874	874
875		-The +3V3 output time can be controlled by AT Command.
	1184	+(((
	1185	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1186	+)))
876	876
877		-**AT+3V3T=1000**
	1188	+(((
	1189	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1190	+)))
878	878
879		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1192	+(((
	1193	+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
	1194	+)))
880	880
	1196	+(((
	1197	+(% 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" %)​
	1198	+)))
881	881
882		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1200	+(((
	1201	+
	1202	+)))
883	883
	1204	+(((
	1205	+(((
	1206	+(% 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.**
	1207	+)))
	1208	+)))
884	884
885		-1.
886		-11. +5V Output
887	887
888		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
889	889
890		-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.
	1212	+== 3.7 Buttons ==
891	891
892	892
893		-The 5V output time can be controlled by AT Command.
	1215	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1216	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1217	+|(% 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**
	1218	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1219	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
894	894
895		-**AT+5VT=1000**
896	896
897		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1222	+== 3.8 LEDs ==
898	898
899	899
900		-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.
	1225	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1226	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1227	+|**PWR**|Always on if there is power
	1228	+|**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.
901	901
902	902
	1231	+= 4. Case Study =
903	903
904	904
905		-1.
906		-11. LEDs
	1234	+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]]
907	907
908		-|**LEDs**|**Feature**
909		-|**LED1**|Blink when device transmit a packet.
910	910
911		-1.
912		-11. Switch Jumper
913	913
914		-|**Switch Jumper**|**Feature**
915		-|**SW1**|(((
916		-ISP position: Upgrade firmware via UART
	1238	+= 5. Use AT Command =
917	917
918		-Flash position: Configure device, check running status.
	1240	+== 5.1 Access AT Command ==
	1241	+
	1242	+
	1243	+(((
	1244	+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.
919	919	)))
920		-|**SW2**|(((
921		-5V position: set to compatible with 5v I/O.
922	922
923		-3.3v position: set to compatible with 3.3v I/O.,
	1247	+(% 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" %)​
	1248	+
	1249	+
	1250	+(((
	1251	+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:
924	924	)))
925	925
926		-+3.3V: is always ON
	1254	+(% 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" %)​
927	927
928		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
929	929
930		-1. Case Study
	1257	+(((
	1258	+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/]]
	1259	+)))
931	931
932		-User can check this URL for some case studies.
933	933
934		-[[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]]
935	935
	1263	+== 5.2 Common AT Command Sequence ==
936	936
937	937
	1266	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
938	938
939		-1. Use AT Command
940		-11. Access AT Command
941	941
942		-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.
	1269	+If device has not joined network yet:
943	943
944		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1271	+* (% style="color:#037691" %)**AT+FDR**
	1272	+* (% style="color:#037691" %)**AT+NJM=0**
	1273	+* (% style="color:#037691" %)**ATZ**
945	945
	1275	+(((
	1276	+
946	946
947		-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:
	1278	+If device already joined network:
948	948
949		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1280	+* (% style="color:#037691" %)**AT+NJM=0**
	1281	+* (% style="color:#037691" %)**ATZ**
950	950
	1283	+
	1284	+)))
951	951
952	952
953		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
954	954
	1288	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
955	955
956	956
957		-1.
958		-11. Common AT Command Sequence
959		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1291	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
960	960
961		-If device has not joined network yet:
	1293	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
962	962
963		-AT+FDR
	1295	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
964	964
965		-AT+NJM=0
	1297	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
966	966
967		-ATZ
	1299	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
968	968
	1301	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
969	969
970		-If device already joined network:
	1303	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
971	971
972		-AT+NJM=0
	1305	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
973	973
974		-ATZ
	1307	+(% 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.
975	975
976		-1.
977		-11.
978		-111. Single-channel ABP mode (Use with LG01/LG02)
	1309	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
979	979
980		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
981	981
982		-AT+NJM=0 Set to ABP mode
	1312	+(% style="color:red" %)**Note:**
983	983
984		-AT+ADR=0 Set the Adaptive Data Rate Off
	1314	+(((
	1315	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1316	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1317	+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.
	1318	+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
	1319	+)))
985	985
986		-AT+DR=5  Set Data Rate
	1321	+(% 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" %)​
987	987
988		-AT+TDC=60000  Set transmit interval to 60 seconds
989	989
990		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
991	991
992		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1325	+= 6. FAQ =
993	993
994		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1327	+== 6.1 How to upgrade the image? ==
995	995
996		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
997	997
998		-ATZ          Reset MCU
	1330	+(((
	1331	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1332	+)))
999	999
1000		-**Note:**
	1334	+* (((
	1335	+Support new features
	1336	+)))
	1337	+* (((
	1338	+For bug fix
	1339	+)))
	1340	+* (((
	1341	+Change LoRaWAN bands.
	1342	+)))
1001	1001
1002		-1. Make sure the device is set to ABP mode in the IoT Server.
1003		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1004		-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.
1005		-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
	1344	+(((
	1345	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1346	+)))
1006	1006
1007		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1348	+(% 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"]]
1008	1008
	1350	+(% title="Click and drag to resize" %)​
1009	1009
1010		-1. FAQ
1011		-11. How to upgrade the image?
	1352	+(((
	1353	+(% 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]].
	1354	+)))
1012	1012
1013		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1356	+(((
	1357	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
	1358	+)))
1014	1014
1015		-* Support new features
1016		-* For bug fix
1017		-* Change LoRaWAN bands.
	1360	+(((
	1361	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1362	+)))
1018	1018
1019		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1364	+(((
	1365	+(((
	1366	+(((
	1367	+(% 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.
	1368	+)))
	1369	+)))
	1370	+)))
1020	1020
1021		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1022	1022
1023		-**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]].
	1373	+(% 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" %)​
1024	1024
1025		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1026	1026
1027		-**Step3: **Open flashloader; choose the correct COM port to update.
	1376	+(% 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" %)​
1028	1028
1029	1029
1030		-|(((
1031		-HOLD PRO then press the RST button, SYS will be ON, then click next
1032		-)))
	1379	+(% 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" %)​
1033	1033
1034		-|(((
1035		-Board detected
1036		-)))
1037	1037
1038		-|(((
1039		-
1040		-)))
	1382	+(% 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:**
1041	1041
1042		-[[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]]
	1384	+(% 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" %)​
1043	1043
1044	1044
1045	1045
1046		-[[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]]
	1388	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1047	1047
1048	1048
1049		-[[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]]
	1391	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1050	1050
1051	1051
1052		-1.
1053		-11. How to change the LoRa Frequency Bands/Region?
1054	1054
1055		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1395	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1056	1056
1057	1057
	1398	+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"]].
1058	1058
1059		-1.
1060		-11. How many RS485-Slave can RS485-BL connects?
1061	1061
1062		-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]].
1063	1063
	1402	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1064	1064
1065	1065
	1405	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1066	1066
1067		-1. Trouble Shooting
1068		-11. Downlink doesn’t work, how to solve it?
	1407	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1069	1069
1070		-Please see this link for debug:
1071	1071
1072		-[[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]]
1073	1073
	1411	+== 6.5 Can i use point to point communication for RS485-LN? ==
1074	1074
1075	1075
1076		-1.
1077		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1414	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1078	1078
1079		-It might about the channels mapping. Please see for detail.
1080	1080
1081		-[[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]]
1082	1082
	1418	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1083	1083
1084	1084
1085		-1. Order Info
	1421	+[[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/]]
1086	1086
1087		-**Part Number: RS485-BL-XXX**
1088	1088
1089		-**XXX:**
1090	1090
1091		-* **EU433**: frequency bands EU433
1092		-* **EU868**: frequency bands EU868
1093		-* **KR920**: frequency bands KR920
1094		-* **CN470**: frequency bands CN470
1095		-* **AS923**: frequency bands AS923
1096		-* **AU915**: frequency bands AU915
1097		-* **US915**: frequency bands US915
1098		-* **IN865**: frequency bands IN865
1099		-* **RU864**: frequency bands RU864
1100		-* **KZ865: **frequency bands KZ865
	1425	+= 7. Trouble Shooting =
1101	1101
1102		-1. Packing Info
1103	1103
	1428	+== 7.1 Downlink doesn't work, how to solve it? ==
	1429	+
	1430	+
	1431	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1432	+
	1433	+
	1434	+
	1435	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1436	+
	1437	+
	1438	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1439	+
	1440	+
	1441	+
	1442	+= 8. Order Info =
	1443	+
	1444	+
	1445	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1446	+
	1447	+(% style="color:blue" %)**XXX:**
	1448	+
	1449	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1450	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1451	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1452	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1453	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1454	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1455	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1456	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1457	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1458	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1459	+
	1460	+
	1461	+= 9.Packing Info =
	1462	+
	1463	+
1104	1104	**Package Includes**:
1105	1105
1106		-* RS485-BL x 1
	1466	+* RS485-LN x 1
1107	1107	* Stick Antenna for LoRa RF part x 1
1108	1108	* Program cable x 1
1109	1109
...	...	@@ -1114,9 +1114,66 @@
1114	1114	* Package Size / pcs : 14.5 x 8 x 5 cm
1115	1115	* Weight / pcs : 170g
1116	1116
1117		-1. Support
1118	1118
1119		-* 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.
1120		-* 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
	1478	+= 10. FCC Caution for RS485LN-US915 =
1121	1121
1122		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1480	+
	1481	+(((
	1482	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1483	+)))
	1484	+
	1485	+(((
	1486	+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.
	1487	+)))
	1488	+
	1489	+(((
	1490	+
	1491	+)))
	1492	+
	1493	+(((
	1494	+(% style="color:red" %)**IMPORTANT NOTE:**
	1495	+)))
	1496	+
	1497	+(((
	1498	+**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:
	1499	+)))
	1500	+
	1501	+(((
	1502	+—Reorient or relocate the receiving antenna.
	1503	+)))
	1504	+
	1505	+(((
	1506	+—Increase the separation between the equipment and receiver.
	1507	+)))
	1508	+
	1509	+(((
	1510	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1511	+)))
	1512	+
	1513	+(((
	1514	+—Consult the dealer or an experienced radio/TV technician for help.
	1515	+)))
	1516	+
	1517	+(((
	1518	+
	1519	+)))
	1520	+
	1521	+(((
	1522	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1523	+)))
	1524	+
	1525	+(((
	1526	+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.
	1527	+)))
	1528	+
	1529	+
	1530	+
	1531	+= 11. Support =
	1532	+
	1533	+
	1534	+* (((
	1535	+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.
	1536	+)))
	1537	+* (((
	1538	+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]].
	1539	+)))

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