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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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
	33	+
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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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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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	73	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	77	+(% style="color:#037691" %)**Hardware System:**
46	46
47	47	* STM32L072CZT6 MCU
48	48	* SX1276/78 Wireless Chip
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50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
54	54
	86	+(% style="color:#037691" %)**Interface for Model:**
	87	+
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
59	59
	92	+(% style="color:#037691" %)**LoRa Spec:**
	93	+
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
62	62	** Band 2 (LF): 410 ~~ 528 Mhz
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	111	+* Packet engine up to 256 bytes with CRC
78	78
	113	+
	114	+
79	79	== 1.3 Features ==
80	80
	117	+
81	81	* LoRaWAN Class A & Class C protocol (default Class C)
82		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	119	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
83	83	* AT Commands to change parameters
84	84	* Remote configure parameters via LoRa Downlink
85	85	* Firmware upgradable via program port
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87	87	* Support Modbus protocol
88	88	* Support Interrupt uplink (Since hardware version v1.2)
89	89
	127	+
	128	+
90	90	== 1.4 Applications ==
91	91
	131	+
92	92	* Smart Buildings & Home Automation
93	93	* Logistics and Supply Chain Management
94	94	* Smart Metering
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96	96	* Smart Cities
97	97	* Smart Factory
98	98
	139	+
	140	+
99	99	== 1.5 Firmware Change log ==
100	100
	143	+
101	101	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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103	103
	147	+
104	104	== 1.6 Hardware Change log ==
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	150	+
106	106	(((
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108	108	v1.2: Add External Interrupt Pin.
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110	110	v1.0: Release
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115	115
116	116	= 2. Power ON Device =
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119	119	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
120	120
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125	125	Once there is power, the RS485-LN will be on.
126	126	)))
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128		-[[image:1653268091319-405.png]]
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132	132
133	133	= 3. Operation Mode =
134	134
	187	+
135	135	== 3.1 How it works? ==
136	136
	190	+
137	137	(((
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138	138	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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142	142
143	143	== 3.2 Example to join LoRaWAN network ==
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145	145	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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147		-[[image:1653268155545-638.png||height="334" width="724"]]
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150	150	(((
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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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155	155	(((
156	156	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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159		-[[image:1653268227651-549.png||height="592" width="720"]]
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	222	+
161	161	(((
162		-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:
	225	+
	226	+
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166		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	230	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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174		-[[image:1652953462722-299.png]]
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	240	+
176	176	(((
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178	178	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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182		-Add APP EUI in the application.
	249	+**Add APP EUI in the application.**
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186		-[[image:image-20220519174512-1.png]]
	253	+(% 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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188		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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190		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	257	+(% 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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192		-[[image:image-20220519174512-4.png]]
	259	+(% 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"]]
193	193
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	263	+
194	194	You can also choose to create the device manually.
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196		-[[image:1652953542269-423.png||height="710" width="723"]]
	266	+(% 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" %)​
197	197
198		-Add APP KEY and DEV EUI
199	199
200		-[[image:1652953553383-907.png||height="514" width="724"]]
201	201
	270	+**Add APP KEY and DEV EUI**
202	202
	272	+(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	273	+
	274	+
	275	+
203	203	(((
204		-**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.
	277	+(% 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.
	278	+
	279	+
205	205	)))
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207		-[[image:1652953568895-172.png||height="232" width="724"]]
	282	+(% 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" %)​
208	208
209	209
	285	+
210	210	== 3.3 Configure Commands to read data ==
211	211
	288	+
212	212	(((
213	213	(((
214		-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.
	291	+(((
	292	+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.
	293	+
	294	+
215	215	)))
	296	+)))
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217	217	(((
218		-(% 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
	299	+(((
	300	+(% 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**
	301	+)))
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	303	+
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221	221	)))
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223	223
224		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	308	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
225	225
	310	+
226	226	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:
227	227
228		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229		-|(% style="width:128px" %)(((
	313	+
	314	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	315	+|=(% style="width: 110px;" %)(((
230	230	**AT Commands**
231		-)))|(% style="width:305px" %)(((
	317	+)))|=(% style="width: 190px;" %)(((
232	232	**Description**
233		-)))|(% style="width:346px" %)(((
	319	+)))|=(% style="width: 190px;" %)(((
234	234	**Example**
235	235	)))
236		-|(% style="width:128px" %)(((
	322	+|(% style="width:110px" %)(((
237	237	AT+BAUDR
238		-)))|(% style="width:305px" %)(((
	324	+)))|(% style="width:190px" %)(((
239	239	Set the baud rate (for RS485 connection). Default Value is: 9600.
240		-)))|(% style="width:346px" %)(((
	326	+)))|(% style="width:190px" %)(((
241	241	(((
242	242	AT+BAUDR=9600
243	243	)))
...	...	@@ -246,11 +246,11 @@
246	246	Options: (1200,2400,4800,14400,19200,115200)
247	247	)))
248	248	)))
249		-|(% style="width:128px" %)(((
	335	+|(% style="width:110px" %)(((
250	250	AT+PARITY
251		-)))|(% style="width:305px" %)(((
	337	+)))|(% style="width:190px" %)(((
252	252	Set UART parity (for RS485 connection)
253		-)))|(% style="width:346px" %)(((
	339	+)))|(% style="width:190px" %)(((
254	254	(((
255	255	AT+PARITY=0
256	256	)))
...	...	@@ -259,9 +259,9 @@
259	259	Option: 0: no parity, 1: odd parity, 2: even parity
260	260	)))
261	261	)))
262		-|(% style="width:128px" %)(((
	348	+|(% style="width:110px" %)(((
263	263	AT+STOPBIT
264		-)))|(% style="width:305px" %)(((
	350	+)))|(% style="width:190px" %)(((
265	265	(((
266	266	Set serial stopbit (for RS485 connection)
267	267	)))
...	...	@@ -269,7 +269,7 @@
269	269	(((
270	270
271	271	)))
272		-)))|(% style="width:346px" %)(((
	358	+)))|(% style="width:190px" %)(((
273	273	(((
274	274	AT+STOPBIT=0 for 1bit
275	275	)))
...	...	@@ -283,26 +283,38 @@
283	283	)))
284	284	)))
285	285
	372	+
286	286	=== 3.3.2 Configure sensors ===
287	287
	375	+
288	288	(((
289	289	(((
290		-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.
	378	+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.
	379	+
	380	+
291	291	)))
292	292	)))
293	293
294		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296		-|AT+CFGDEV|(% style="width:418px" %)(((
	384	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	385	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	386	+|AT+CFGDEV|(% style="width:110px" %)(((
	387	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	389	+)))
298	298
	391	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	393	+)))
300	300
	395	+(((
301	301	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	397	+)))
	398	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
	400	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
305	305
	403	+
306	306	(((
307	307	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.
308	308
...	...	@@ -313,8 +313,9 @@
313	313	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314	314
315	315
316		-**Each RS485 commands include two parts:**
	414	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
	416	+
318	318	~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.
319	319
320	320	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.
...	...	@@ -324,15 +324,14 @@
324	324
325	325	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
326	326
327		-
328	328	Below are examples for the how above AT Commands works.
329	329
330	330
331		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	429	+(% 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:
332	332
333	333	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
334	334	|(% style="width:496px" %)(((
335		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	433	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
336	336
337	337	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
338	338
...	...	@@ -344,10 +344,10 @@
344	344	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
345	345
346	346
347		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	445	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
348	348
349		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350		-|(% style="width:722px" %)(((
	447	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	448	+|(% style="width:510px" %)(((
351	351	**AT+DATACUTx=a,b,c**
352	352
353	353	* **a: length for the return of AT+COMMAND**
...	...	@@ -357,25 +357,30 @@
357	357
358	358	**Examples:**
359	359
360		-* Grab bytes:
361	361
362		-[[image:image-20220602153621-1.png]]
	459	+* (% style="color:#037691" %)**Grab bytes**
363	363
	461	+(% 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" %)​
364	364
365		-* Grab a section.
366	366
367		-[[image:image-20220602153621-2.png]]
368	368
	465	+* (% style="color:#037691" %)**Grab a section**
369	369
370		-* Grab different sections.
	467	+(% 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" %)​
371	371
372		-[[image:image-20220602153621-3.png]]
373	373
	470	+
	471	+* (% style="color:#037691" %)**Grab different sections**
	472	+
	473	+(% 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" %)​
	474	+
	475	+
374	374
375	375	)))
376	376
377	377	=== 3.3.4 Compose the uplink payload ===
378	378
	481	+
379	379	(((
380	380	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.**
381	381
...	...	@@ -393,18 +393,16 @@
393	393	)))
394	394
395	395	(((
396		-Final Payload is
	499	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
397	397	)))
398	398
399	399	(((
400		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
401		-)))
402		-
403		-(((
404	404	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	504	+
	505	+
405	405	)))
406	406
407		-[[image:1653269759169-150.png||height="513" width="716"]]
	508	+(% 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" %)​
408	408
409	409
410	410	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -412,9 +412,8 @@
412	412
413	413	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
414	414
415		-Final Payload is
	516	+Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
416	416
417		-(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418	418
419	419	1. PAYVER: Defined by AT+PAYVER
420	420	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
...	...	@@ -421,7 +421,7 @@
421	421	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422	422	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
423	423
424		-[[image:image-20220602155039-4.png]]
	524	+(% 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" %)​
425	425
426	426
427	427	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -433,8 +433,9 @@
433	433	DATA3=the rest of Valid value of RETURN10= **30**
434	434
435	435
436		-(% 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:
	536	+(% 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:**
437	437
	538	+
438	438	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
439	439
440	440	* For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
...	...	@@ -443,661 +443,1184 @@
443	443
444	444	~* For all other bands: max 51 bytes for each uplink.
445	445
	547	+(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
446	446
447		-Below are the uplink payloads:
	549	+(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
448	448
449		-[[image:1654157178836-407.png]]
450	450
	552	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
451	451
452		-=== 3.3.5 Uplink on demand ===
	554	+1 )  When (% style="color:blue" %)**AT+MOD=1**(%%), if the data intercepted by** AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n FFs**.
453	453
454		-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.
455	455
456		-Downlink control command:
	557	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
457	457
458		-**0x08 command**: Poll an uplink with current command set in RS485-LN.
459	459
460		-**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
461	461
	561	+2 )  When (% style="color:blue" %)**AT+MOD=2**(%%), if the data intercepted by **AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n 00s**.
462	462
463	463
464		-1.
465		-11.
466		-111. Uplink on Interrupt
	564	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
467	467
468		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
469	469
470		-AT+INTMOD=0  Disable Interrupt
471	471
472		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	568	+Below are the uplink payloads:
473	473
474		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
475	475
476		-AT+INTMOD=3  Interrupt trigger by rising edge.
	571	+(% 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" %)​
477	477
478	478
479		-1.
480		-11. Uplink Payload
481	481
482		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483		-|Value|(((
484		-Battery(mV)
	575	+=== 3.3.5 Uplink on demand ===
485	485
486		-&
487	487
488		-Interrupt _Flag
489		-)))|(((
490		-PAYLOAD_VER
	578	+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.
491	491
492		-
493		-)))|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.
	580	+(% style="color:blue" %)**Downlink control command:**
494	494
495		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	582	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
496	496
	584	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
497	497
498		-function Decoder(bytes, port) {
499	499
500		-~/~/Payload Formats of RS485-BL Deceive
501	501
502		-return {
	588	+=== 3.3.6 Uplink on Interrupt ===
503	503
504		- ~/~/Battery,units:V
505	505
506		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	591	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
507	507
508		- ~/~/GPIO_EXTI
509	509
510		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	594	+(% 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" %)​
511	511
512		- ~/~/payload of version
	596	+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.
513	513
514		- Pay_ver:bytes[2],
515	515
516		- };
517	517
518		- }
	600	+== 3.4 Uplink Payload ==
519	519
520	520
	603	+(% 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"]]
521	521
	605	+(% title="Click and drag to resize" %)​
522	522
	607	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
523	523
524	524
525	525
526		-TTN V3 uplink screen shot.
	611	+== 3.5 Configure RS485-LN via AT or Downlink ==
527	527
528		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
529	529
530		-1.
531		-11. Configure RS485-BL via AT or Downlink
	614	+(((
	615	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	616	+)))
532	532
533		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
534		-
	618	+(((
535	535	There are two kinds of Commands:
	620	+)))
536	536
537		-* **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
	622	+* (((
	623	+(% 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]]
	624	+)))
538	538
539		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	626	+* (((
	627	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	628	+)))
540	540
541		-1.
542		-11.
543		-111. Common Commands:
	630	+(((
	631	+
	632	+)))
544	544
545		-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]]
546	546
547	547
548		-1.
549		-11.
550		-111. Sensor related commands:
	636	+=== 3.5.1 Common Commands ===
551	551
552		-==== Choose Device Type (RS485 or TTL) ====
553	553
554		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	639	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
555	555
556		-* AT Command
557	557
558		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
559	559
560		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	643	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
561	561
562	562
563		-* Downlink Payload
	646	+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.
564	564
565		-**0A aa**     à same as AT+MOD=aa
566	566
	649	+(% 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"]]
567	567
	651	+(% title="Click and drag to resize" %)​
568	568
569		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	653	+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)
570	570
571		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
572	572
573		-* AT Command
574	574
575		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	657	+=== 3.5.3 Sensor related commands ===
576	576
577		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
578	578
579	579
580	580
581		-* Downlink Payload
	662	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
582	582
583		-Format: A8 MM NN XX XX XX XX YY
584	584
	665	+(((
	666	+This command is used to configure the RS485 devices; they won't be used during sampling.
	667	+)))
	668	+
	669	+(((
	670	+* (% style="color:#037691" %)**AT Command**
	671	+
	672	+(((
	673	+(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	674	+)))
	675	+)))
	676	+
	677	+(((
	678	+
	679	+)))
	680	+
	681	+* (((
	682	+(% style="color:#037691" %)**Downlink Payload**
	683	+)))
	684	+
	685	+(((
	686	+Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	687	+)))
	688	+
	689	+(((
585	585	Where:
	691	+)))
586	586
587		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
588		-* NN: The length of RS485 command
589		-* XX XX XX XX: RS485 command total NN bytes
590		-* 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
	693	+* (((
	694	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	695	+)))
	696	+* (((
	697	+NN: The length of RS485 command
	698	+)))
	699	+* (((
	700	+XX XX XX XX: RS485 command total NN bytes
	701	+)))
	702	+* (((
	703	+(((
	704	+YY: How many bytes will be uplink from the return of this RS485 command,
	705	+)))
591	591
592		-**Example 1:**
	707	+* (((
	708	+if YY=0, RS485-LN will execute the downlink command without uplink;
	709	+)))
	710	+* (((
	711	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	712	+)))
	713	+* (((
	714	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	715	+)))
	716	+)))
593	593
	718	+(((
	719	+
	720	+
	721	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	722	+)))
	723	+
	724	+(((
594	594	To connect a Modbus Alarm with below commands.
	726	+)))
595	595
596		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	728	+* (((
	729	+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.
	730	+)))
597	597
598		-* 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.
	732	+* (((
	733	+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.
	734	+)))
599	599
	736	+(((
	737	+
	738	+
600	600	So if user want to use downlink command to control to RS485 Alarm, he can use:
	740	+)))
601	601
602		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	742	+(((
	743	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	744	+)))
603	603
604		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	746	+(((
	747	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	748	+)))
605	605
	750	+(((
606	606	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.
	752	+)))
607	607
	754	+(((
	755	+
	756	+)))
608	608
609		-**Example 2:**
	758	+(((
	759	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	760	+)))
610	610
611		-Check TTL Sensor return:
	762	+(((
	763	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	764	+)))
612	612
613		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	766	+(((
	767	+
	768	+)))
614	614
	770	+(((
	771	+(((
	772	+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**
	773	+)))
615	615
	775	+
	776	+)))
616	616
	778	+(((
	779	+ (% 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" %)​
	780	+)))
617	617
618		-==== Set Payload version ====
619	619
620		-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.
621	621
622		-* AT Command:
623	623
624		-AT+PAYVER: Set PAYVER field = 1
	785	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
625	625
626	626
627		-* Downlink Payload:
	788	+(((
	789	+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.
	790	+)))
628	628
629		-0xAE 01   à Set PAYVER field =  0x01
	792	+(((
	793	+* (% style="color:#037691" %)**AT Command:**
630	630
631		-0xAE 0F   à Set PAYVER field =  0x0F
	795	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
632	632
	797	+
	798	+)))
633	633
634		-==== Set RS485 Sampling Commands ====
	800	+* (((
	801	+(% style="color:#037691" %)**Downlink Payload:**
	802	+)))
635	635
636		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	804	+(((
	805	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	806	+)))
637	637
638		-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]].
	808	+(((
	809	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	810	+)))
639	639
640	640
641		-* AT Command:
	813	+1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)
642	642
643		-AT+COMMANDx: Configure RS485 read command to sensor.
	815	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
644	644
645		-AT+DATACUTx: Configure how to handle return from RS485 devices.
646	646
647		-AT+SEARCHx: Configure search command
	818	+2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
648	648
649	649
650		-* Downlink Payload:
	821	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
651	651
652		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
653	653
654		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
655	655
656		-Format: AF MM NN LL XX XX XX XX YY
657	657
658		-Where:
	826	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
659	659
660		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
661		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662		-* LL: The length of AT+COMMAND or AT+DATACUT command
663		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
664		-* 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.
665	665
666		-Example:
	829	+(((
	830	+AT+COMMANDx or AT+DATACUTx
	831	+)))
667	667
668		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	833	+(((
	834	+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"]].
	835	+)))
669	669
670		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	837	+(((
	838	+
	839	+)))
671	671
672		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	841	+* (((
	842	+(% style="color:#037691" %)**AT Command:**
	843	+)))
673	673
	845	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
674	674
675		-0xAB downlink command can be used for set AT+SEARCHx
	847	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
676	676
677		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
678	678
679		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680		-* 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
	850	+* (((
	851	+(% style="color:#037691" %)**Downlink Payload:**
	852	+)))
681	681
682		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	854	+(((
	855	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
683	683
	857	+
	858	+)))
684	684
685		-==== Fast command to handle MODBUS device ====
	860	+(((
	861	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
686	686
687		-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]].
	863	+
	864	+)))
688	688
	866	+(((
	867	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	868	+)))
	869	+
	870	+(((
	871	+Where:
	872	+)))
	873	+
	874	+* (((
	875	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	876	+)))
	877	+* (((
	878	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	879	+)))
	880	+* (((
	881	+LL:  The length of AT+COMMAND or AT+DATACUT command
	882	+)))
	883	+* (((
	884	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	885	+)))
	886	+* (((
	887	+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.
	888	+)))
	889	+
	890	+(((
	891	+
	892	+
	893	+**Example:**
	894	+)))
	895	+
	896	+(((
	897	+(% 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
	898	+)))
	899	+
	900	+(((
	901	+(% 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**
	902	+)))
	903	+
	904	+(((
	905	+(% 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**
	906	+)))
	907	+
	908	+
	909	+
	910	+
	911	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
	912	+
	913	+
	914	+(((
	915	+(% style="color:#4472c4" %)** AT+MBFUN**(%%) is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	916	+)))
	917	+
	918	+(((
689	689	This command is valid since v1.3 firmware version
	920	+)))
690	690
	922	+(((
	923	+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.
	924	+)))
691	691
692		-AT+MBFUN has only two value:
	926	+(((
	927	+
	928	+)))
693	693
694		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	930	+(((
	931	+**Example:**
	932	+)))
695	695
696		-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.
	934	+* (((
	935	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	936	+)))
	937	+* (((
	938	+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.
	939	+)))
	940	+* (((
	941	+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.
697	697
698		-* AT+MBFUN=0: Disable Modbus fast reading.
	943	+
	944	+)))
699	699
700		-Example:
	946	+(% 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" %)​
701	701
702		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
703		-* 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.
704		-* 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.
	948	+(% 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" %)​
705	705
706		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
707	707
708	708
709		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
710	710
	953	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
711	711
712		-* Downlink Commands:
713	713
714		-A9 aa -à Same as AT+MBFUN=aa
	956	+(((
	957	+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.
	958	+)))
715	715
	960	+(((
	961	+Default value: 0, range:  0 ~~ 65 seconds
	962	+)))
716	716
717		-==== RS485 command timeout ====
	964	+(((
	965	+* (% style="color:#037691" %)** AT Command:**
718	718
719		-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.
	967	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	968	+)))
720	720
721		-Default value: 0, range:  0 ~~ 5 seconds
	970	+(((
	971	+
722	722
	973	+**Example:**
	974	+)))
723	723
724		-* AT Command:
	976	+(((
	977	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	978	+)))
725	725
726		-AT+CMDDLaa=hex(bb cc)
	980	+(((
	981	+
	982	+)))
727	727
728		-Example:
	984	+* (((
	985	+(% style="color:#037691" %)** Downlink Payload:**
	986	+)))
729	729
730		-**AT+CMDDL1=1000** to send the open time to 1000ms
	988	+(((
	989	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
	990	+)))
731	731
	992	+(((
	993	+
732	732
733		-* Downlink Payload:
	995	+**Example:**
	996	+)))
734	734
735		-0x AA aa bb cc
	998	+(((
	999	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1000	+)))
736	736
737		-Same as: AT+CMDDLaa=hex(bb cc)
738	738
739		- Example:
740	740
741		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
742	742
	1005	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
743	743
744		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
745	745
	1008	+(((
746	746	Define to use one uplink or multiple uplinks for the sampling.
	1010	+)))
747	747
748		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	1012	+(((
	1013	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
749	749
750		-* AT Command:
	1015	+
	1016	+)))
751	751
752		-AT+DATAUP=0
	1018	+(((
	1019	+* (% style="color:#037691" %)** AT Command:**
753	753
754		-AT+DATAUP=1
	1021	+(% style="color:#4472c4" %)** AT+DATAUP=0**
755	755
	1023	+(% style="color:#4472c4" %)** AT+DATAUP=1**
756	756
757		-* Downlink Payload:
	1025	+
	1026	+)))
758	758
759		-0xAD 00   à Same as AT+DATAUP=0
	1028	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
760	760
761		-0xAD 01   à Same as AT+DATAUP=1
	1030	+Each uplink is sent to the server at 20-second intervals when segmented.
762	762
763	763
764		-==== Manually trigger an Uplink ====
	1033	+* (((
	1034	+(% style="color:#037691" %)** Downlink Payload:**
	1035	+)))
765	765
	1037	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
	1038	+
	1039	+(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
	1040	+
	1041	+
	1042	+* (((
	1043	+(% style="color:#037691" %)** AT Command:**
	1044	+)))
	1045	+
	1046	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
	1047	+
	1048	+
	1049	+* (((
	1050	+(% style="color:#037691" %)** Downlink Payload:**
	1051	+)))
	1052	+
	1053	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1054	+
	1055	+Each uplink is sent to the server at 20-second intervals when segmented.
	1056	+
	1057	+
	1058	+
	1059	+
	1060	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1061	+
	1062	+
	1063	+(((
766	766	Ask device to send an uplink immediately.
	1065	+)))
767	767
768		-* Downlink Payload:
	1067	+* (((
	1068	+(% style="color:#037691" %)** AT Command:**
	1069	+)))
769	769
770		-0x08 FF, RS485-BL will immediately send an uplink.
	1071	+(((
	1072	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1073	+)))
771	771
	1075	+(((
	1076	+
	1077	+)))
772	772
773		-==== Clear RS485 Command ====
	1079	+* (((
	1080	+(% style="color:#037691" %)** Downlink Payload:**
	1081	+)))
774	774
	1083	+(((
	1084	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1085	+)))
	1086	+
	1087	+
	1088	+
	1089	+
	1090	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1091	+
	1092	+
	1093	+(((
775	775	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
776	776
	1096	+
	1097	+)))
777	777
778		-* AT Command:
	1099	+* (((
	1100	+(% style="color:#037691" %)** AT Command:**
	1101	+)))
779	779
780		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1103	+(((
	1104	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1105	+)))
781	781
	1107	+(((
	1108	+
	1109	+
782	782	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1111	+)))
783	783
	1113	+(((
784	784	Example screen shot after clear all RS485 commands.
	1115	+)))
785	785
	1117	+(((
	1118	+
	1119	+)))
786	786
787		-
	1121	+(((
788	788	The uplink screen shot is:
	1123	+)))
789	789
790		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1125	+(% 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" %)​
791	791
792	792
793		-* Downlink Payload:
	1128	+* (((
	1129	+(% style="color:#037691" %)** Downlink Payload:**
	1130	+)))
794	794
795		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1132	+(((
	1133	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1134	+)))
796	796
797	797
798		-==== Set Serial Communication Parameters ====
799	799
	1138	+
	1139	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1140	+
	1141	+
	1142	+(((
800	800	Set the Rs485 serial communication parameters:
801	801
802		-* AT Command:
	1145	+
	1146	+)))
803	803
804		-Set Baud Rate:
	1148	+* (((
	1149	+(% style="color:#037691" %)** AT Command:**
805	805
806		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
807	807
	1152	+
	1153	+)))
808	808
809		-Set UART parity
	1155	+(((
	1156	+* Set Baud Rate
	1157	+)))
810	810
811		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1159	+(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
812	812
813	813
814		-Set STOPBIT
	1162	+(((
	1163	+* Set UART Parity
	1164	+)))
815	815
816		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1166	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
817	817
818	818
819		-* Downlink Payload:
	1169	+(((
	1170	+* Set STOPBIT
	1171	+)))
820	820
821		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1173	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
822	822
823		-Example:
824	824
825		-* A7 01 00 60   same as AT+BAUDR=9600
826		-* A7 01 04 80  same as AT+BAUDR=115200
827	827
828		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1177	+* (((
	1178	+(% style="color:#037691" %)** Downlink Payload:**
	1179	+)))
829	829
830		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1181	+(((
	1182	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1183	+)))
831	831
	1185	+(((
	1186	+
832	832
833		-==== Control output power duration ====
	1188	+**Example:**
	1189	+)))
834	834
835		-User can set the output power duration before each sampling.
	1191	+* (((
	1192	+A7 01 00 60  same as AT+BAUDR=9600
	1193	+)))
	1194	+* (((
	1195	+A7 01 04 80  same as AT+BAUDR=115200
	1196	+)))
836	836
837		-* AT Command:
	1198	+(((
	1199	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1200	+)))
838	838
839		-Example:
	1202	+(((
	1203	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1204	+)))
840	840
841		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
842	842
843		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
844	844
845	845
846		-* LoRaWAN Downlink Command:
847	847
848		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1210	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
849	849
850		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1212	+(((
	1213	+
	1214	+)))
851	851
	1216	+* (((
	1217	+(% style="color:#037691" %)** AT Command:**
	1218	+)))
852	852
	1220	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
853	853
	1222	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
854	854
855		-1.
856		-11. Buttons
857	857
858		-|**Button**|**Feature**
859		-|**RST**|Reboot RS485-BL
860	860
861		-1.
862		-11. +3V3 Output
863	863
864		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1227	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
865	865
866		-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.
867	867
	1230	+* (((
	1231	+(% style="color:#037691" %)** AT Command:**
	1232	+)))
868	868
869		-The +3V3 output time can be controlled by AT Command.
	1234	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
870	870
871		-**AT+3V3T=1000**
	1236	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
872	872
873		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
874	874
875	875
876		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
877	877
	1241	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
878	878
879		-1.
880		-11. +5V Output
881	881
882		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1244	+* (((
	1245	+(% style="color:#037691" %)** AT Command:**
	1246	+)))
883	883
884		-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.
	1248	+(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
885	885
	1250	+(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
886	886
887		-The 5V output time can be controlled by AT Command.
888	888
889		-**AT+5VT=1000**
890	890
891		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
892	892
	1255	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
893	893
894		-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.
895	895
	1258	+* (((
	1259	+(% style="color:#037691" %)** AT Command:**
	1260	+)))
896	896
	1262	+ (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
897	897
	1264	+ (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
898	898
899		-1.
900		-11. LEDs
901	901
902		-|**LEDs**|**Feature**
903		-|**LED1**|Blink when device transmit a packet.
	1267	+* (((
	1268	+(% style="color:#037691" %)** Downlink Payload:**
	1269	+)))
904	904
905		-1.
906		-11. Switch Jumper
	1271	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
907	907
908		-|**Switch Jumper**|**Feature**
909		-|**SW1**|(((
910		-ISP position: Upgrade firmware via UART
911	911
912		-Flash position: Configure device, check running status.
	1274	+
	1275	+
	1276	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1277	+
	1278	+
	1279	+* (((
	1280	+(% style="color:#037691" %)** AT Command:**
913	913	)))
914		-|**SW2**|(((
915		-5V position: set to compatible with 5v I/O.
916	916
917		-3.3v position: set to compatible with 3.3v I/O.,
	1283	+(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1284	+
	1285	+
	1286	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	1287	+
	1288	+
	1289	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	1290	+
	1291	+
	1292	+
	1293	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1294	+
	1295	+
	1296	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	1297	+
	1298	+
	1299	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1300	+
	1301	+
	1302	+
	1303	+
	1304	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1305	+
	1306	+
	1307	+(((
	1308	+* (% style="color:#037691" %)**Downlink Payload:**
	1309	+
	1310	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
918	918	)))
919	919
920		-+3.3V: is always ON
921	921
922		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1314	+Example：
923	923
924		-1. Case Study
925	925
926		-User can check this URL for some case studies.
	1317	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
927	927
928		-[[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]]
929	929
930	930
931	931
	1322	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
932	932
933		-1. Use AT Command
934		-11. Access AT Command
935	935
936		-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.
	1325	+* (((
	1326	+(% style="color:#037691" %)** AT Command:**
	1327	+)))
937	937
938		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1329	+(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
939	939
	1331	+(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
940	940
941		-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:
	1333	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
942	942
943		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
944	944
	1336	+* (((
	1337	+(% style="color:#037691" %)**Downlink Payload:**
	1338	+)))
945	945
	1340	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
946	946
947		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1342	+[[image:image-20220824144240-1.png]]
948	948
949	949
950	950
951		-1.
952		-11. Common AT Command Sequence
953		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1346	+== 3.6 Listening mode for RS485 network ==
954	954
955		-If device has not joined network yet:
956	956
957		-AT+FDR
	1349	+(((
	1350	+This feature support since firmware v1.4
	1351	+)))
958	958
959		-AT+NJM=0
	1353	+(((
	1354	+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.
960	960
961		-ATZ
	1356	+
	1357	+)))
962	962
	1359	+(% 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"]]
963	963
	1361	+(% title="Click and drag to resize" %)​
	1362	+
	1363	+(((
	1364	+To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
	1365	+)))
	1366	+
	1367	+(((
	1368	+
	1369	+)))
	1370	+
	1371	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1372	+|=(% style="width: 100px;" %)(((
	1373	+**Command example**
	1374	+)))|=(% style="width: 400px;" %)(((
	1375	+**Function**
	1376	+)))
	1377	+|(% style="width:100px" %)(((
	1378	+AT+RXMODE=1,10
	1379	+)))|(% style="width:400px" %)(((
	1380	+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.
	1381	+)))
	1382	+|(% style="width:100px" %)(((
	1383	+AT+RXMODE=2,500
	1384	+)))|(% style="width:400px" %)(((
	1385	+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
	1386	+)))
	1387	+|(% style="width:100px" %)(((
	1388	+AT+RXMODE=0,0
	1389	+)))|(% style="width:400px" %)(((
	1390	+Disable listening mode. This is the default settings.
	1391	+)))
	1392	+|(% style="width:100px" %)(((
	1393	+
	1394	+)))|(% style="width:400px" %)(((
	1395	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1396	+)))
	1397	+
	1398	+(((
	1399	+
	1400	+
	1401	+(% style="color:#037691" %)**Downlink Command:**
	1402	+)))
	1403	+
	1404	+(((
	1405	+(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
	1406	+)))
	1407	+
	1408	+(((
	1409	+
	1410	+)))
	1411	+
	1412	+(((
	1413	+**Example**:
	1414	+)))
	1415	+
	1416	+(((
	1417	+The RS485-LN is set to AT+RXMODE=2,1000
	1418	+)))
	1419	+
	1420	+(((
	1421	+There is a two Modbus commands in the RS485 network as below:
	1422	+)))
	1423	+
	1424	+(((
	1425	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1426	+)))
	1427	+
	1428	+(((
	1429	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1430	+)))
	1431	+
	1432	+(((
	1433	+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
	1434	+)))
	1435	+
	1436	+(((
	1437	+(% 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" %)​
	1438	+)))
	1439	+
	1440	+(((
	1441	+
	1442	+)))
	1443	+
	1444	+(((
	1445	+(((
	1446	+(% 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.**
	1447	+)))
	1448	+)))
	1449	+
	1450	+
	1451	+
	1452	+== 3.7 Buttons ==
	1453	+
	1454	+
	1455	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1456	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1457	+|(% 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**
	1458	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1459	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1460	+
	1461	+
	1462	+
	1463	+== 3.8 LEDs ==
	1464	+
	1465	+
	1466	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1467	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1468	+|**PWR**|Always on if there is power
	1469	+|**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.
	1470	+
	1471	+
	1472	+
	1473	+= 4. Case Study =
	1474	+
	1475	+
	1476	+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]]
	1477	+
	1478	+
	1479	+
	1480	+= 5. Use AT Command =
	1481	+
	1482	+
	1483	+== 5.1 Access AT Command ==
	1484	+
	1485	+
	1486	+(((
	1487	+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.
	1488	+
	1489	+
	1490	+)))
	1491	+
	1492	+(% 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" %)​
	1493	+
	1494	+
	1495	+
	1496	+(((
	1497	+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:
	1498	+
	1499	+
	1500	+)))
	1501	+
	1502	+(% 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" %)​
	1503	+
	1504	+
	1505	+(((
	1506	+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/]]
	1507	+)))
	1508	+
	1509	+
	1510	+
	1511	+== 5.2 Common AT Command Sequence ==
	1512	+
	1513	+
	1514	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1515	+
	1516	+
	1517	+If device has not joined network yet:
	1518	+
	1519	+* (% style="color:#037691" %)**AT+FDR**
	1520	+* (% style="color:#037691" %)**AT+NJM=0**
	1521	+* (% style="color:#037691" %)**ATZ**
	1522	+
	1523	+(((
	1524	+
	1525	+
964	964	If device already joined network:
965	965
966		-AT+NJM=0
	1528	+* (% style="color:#037691" %)**AT+NJM=0**
	1529	+* (% style="color:#037691" %)**ATZ**
967	967
968		-ATZ
	1531	+
	1532	+)))
969	969
970		-1.
971		-11.
972		-111. Single-channel ABP mode (Use with LG01/LG02)
973	973
974		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
975	975
976		-AT+NJM=0 Set to ABP mode
	1536	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
977	977
978		-AT+ADR=0 Set the Adaptive Data Rate Off
979	979
980		-AT+DR=5  Set Data Rate
	1539	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
981	981
982		-AT+TDC=60000  Set transmit interval to 60 seconds
	1541	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
983	983
984		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1543	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
985	985
986		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1545	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
987	987
988		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1547	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
989	989
990		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1549	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
991	991
992		-ATZ          Reset MCU
	1551	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
993	993
994		-**Note:**
	1553	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
995	995
996		-1. Make sure the device is set to ABP mode in the IoT Server.
997		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998		-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.
999		-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
	1555	+(% 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.
1000	1000
1001		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1557	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1002	1002
1003	1003
1004		-1. FAQ
1005		-11. How to upgrade the image?
	1560	+(% style="color:red" %)**Note:**
1006	1006
1007		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1562	+(((
	1563	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1564	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1565	+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.
	1566	+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
1008	1008
1009		-* Support new features
1010		-* For bug fix
1011		-* Change LoRaWAN bands.
	1568	+
	1569	+)))
1012	1012
1013		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1571	+(% 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" %)​
1014	1014
1015		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1016	1016
1017		-**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]].
1018	1018
1019		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1575	+= 6. FAQ =
1020	1020
1021		-**Step3: **Open flashloader; choose the correct COM port to update.
1022	1022
	1578	+== 6.1 How to upgrade the image? ==
1023	1023
1024		-|(((
1025		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1580	+
	1581	+(((
	1582	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1026	1026	)))
1027	1027
1028		-|(((
1029		-Board detected
	1585	+* (((
	1586	+Support new features
1030	1030	)))
	1588	+* (((
	1589	+For bug fix
	1590	+)))
	1591	+* (((
	1592	+Change LoRaWAN bands.
	1593	+)))
1031	1031
1032		-|(((
	1595	+(((
	1596	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1597	+)))
	1598	+
	1599	+(% 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"]]
	1600	+
	1601	+(% title="Click and drag to resize" %)​
	1602	+
	1603	+(((
	1604	+(% 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]].
	1605	+
1033	1033
1034	1034	)))
1035	1035
1036		-[[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]]
	1609	+(((
	1610	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1037	1037
	1612	+
	1613	+)))
1038	1038
	1615	+(((
	1616	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1039	1039
1040		-[[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]]
	1618	+
	1619	+)))
1041	1041
	1621	+(((
	1622	+(((
	1623	+(((
	1624	+(% 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.
	1625	+)))
	1626	+)))
	1627	+)))
1042	1042
1043		-[[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]]
1044	1044
	1630	+(% 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" %)​
1045	1045
1046		-1.
1047		-11. How to change the LoRa Frequency Bands/Region?
1048	1048
1049		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1633	+(% 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" %)​
1050	1050
1051	1051
	1636	+(% 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" %)​
1052	1052
1053		-1.
1054		-11. How many RS485-Slave can RS485-BL connects?
1055	1055
1056		-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]].
	1639	+(% 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:**
1057	1057
	1641	+(% 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" %)​
1058	1058
1059	1059
1060	1060
1061		-1. Trouble Shooting
1062		-11. Downlink doesn’t work, how to solve it?
	1645	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1063	1063
1064		-Please see this link for debug:
1065	1065
1066		-[[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]]
	1648	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1067	1067
1068	1068
1069	1069
1070		-1.
1071		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1652	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1072	1072
1073		-It might about the channels mapping. Please see for detail.
1074	1074
1075		-[[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]]
	1655	+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"]].
1076	1076
1077	1077
1078	1078
1079		-1. Order Info
	1659	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1080	1080
1081		-**Part Number: RS485-BL-XXX**
1082	1082
1083		-**XXX:**
	1662	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1084	1084
1085		-* **EU433**: frequency bands EU433
1086		-* **EU868**: frequency bands EU868
1087		-* **KR920**: frequency bands KR920
1088		-* **CN470**: frequency bands CN470
1089		-* **AS923**: frequency bands AS923
1090		-* **AU915**: frequency bands AU915
1091		-* **US915**: frequency bands US915
1092		-* **IN865**: frequency bands IN865
1093		-* **RU864**: frequency bands RU864
1094		-* **KZ865: **frequency bands KZ865
	1664	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1095	1095
1096		-1. Packing Info
1097	1097
	1667	+
	1668	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1669	+
	1670	+
	1671	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1672	+
	1673	+
	1674	+
	1675	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1676	+
	1677	+
	1678	+[[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/]]
	1679	+
	1680	+
	1681	+
	1682	+= 7. Trouble Shooting =
	1683	+
	1684	+
	1685	+== 7.1 Downlink doesn't work, how to solve it? ==
	1686	+
	1687	+
	1688	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1689	+
	1690	+
	1691	+
	1692	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1693	+
	1694	+
	1695	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1696	+
	1697	+
	1698	+
	1699	+= 8. Order Info =
	1700	+
	1701	+
	1702	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1703	+
	1704	+(% style="color:blue" %)**XXX:**
	1705	+
	1706	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1707	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1708	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1709	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1710	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1711	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1712	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1713	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1714	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1715	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1716	+
	1717	+
	1718	+
	1719	+= 9.Packing Info =
	1720	+
	1721	+
1098	1098	**Package Includes**:
1099	1099
1100		-* RS485-BL x 1
	1724	+* RS485-LN x 1
1101	1101	* Stick Antenna for LoRa RF part x 1
1102	1102	* Program cable x 1
1103	1103
...	...	@@ -1108,9 +1108,70 @@
1108	1108	* Package Size / pcs : 14.5 x 8 x 5 cm
1109	1109	* Weight / pcs : 170g
1110	1110
1111		-1. Support
1112	1112
1113		-* 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.
1114		-* 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
1115	1115
1116		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1737	+= 10. FCC Caution for RS485LN-US915 =
	1738	+
	1739	+
	1740	+(((
	1741	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1742	+)))
	1743	+
	1744	+(((
	1745	+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.
	1746	+)))
	1747	+
	1748	+(((
	1749	+
	1750	+)))
	1751	+
	1752	+(((
	1753	+(% style="color:red" %)**IMPORTANT NOTE:**
	1754	+)))
	1755	+
	1756	+(((
	1757	+(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1758	+)))
	1759	+
	1760	+(((
	1761	+—Reorient or relocate the receiving antenna.
	1762	+)))
	1763	+
	1764	+(((
	1765	+—Increase the separation between the equipment and receiver.
	1766	+)))
	1767	+
	1768	+(((
	1769	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1770	+)))
	1771	+
	1772	+(((
	1773	+—Consult the dealer or an experienced radio/TV technician for help.
	1774	+)))
	1775	+
	1776	+(((
	1777	+
	1778	+)))
	1779	+
	1780	+(((
	1781	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1782	+)))
	1783	+
	1784	+(((
	1785	+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.
	1786	+)))
	1787	+
	1788	+
	1789	+
	1790	+= 11. Support =
	1791	+
	1792	+
	1793	+* (((
	1794	+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.
	1795	+)))
	1796	+* (((
	1797	+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]].
	1798	+
	1799	+
	1800	+
	1801	+)))

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