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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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	+
	87	+(% style="color:#037691" %)**Interface for Model:**
	88	+
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
59	59
	93	+
	94	+(% style="color:#037691" %)**LoRa Spec:**
	95	+
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.
	113	+* Packet engine up to 256 bytes with CRC
78	78
	115	+
	116	+
	117	+
79	79	== 1.3 Features ==
80	80
	120	+
81	81	* LoRaWAN Class A & Class C protocol (default Class C)
82		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	122	+* 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
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	132	+
90	90	== 1.4 Applications ==
91	91
	135	+
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
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	145	+
99	99	== 1.5 Firmware Change log ==
100	100
	148	+
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
	152	+
104	104	== 1.6 Hardware Change log ==
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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
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125	125	Once there is power, the RS485-LN will be on.
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128		-[[image:1653268091319-405.png]]
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132	132
133	133	= 3. Operation Mode =
134	134
	192	+
135	135	== 3.1 How it works? ==
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	195	+
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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	227	+
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:
	229	+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:
	230	+
	231	+
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166		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	235	+(% 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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	245	+
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.
	254	+**Add APP EUI in the application.**
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186		-[[image:image-20220519174512-1.png]]
	258	+(% 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"]]
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192		-[[image:image-20220519174512-4.png]]
	264	+(% 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"]]
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194	194	You can also choose to create the device manually.
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196		-[[image:1652953542269-423.png||height="710" width="723"]]
	271	+(% 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
	275	+**Add APP KEY and DEV EUI**
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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.
	282	+(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
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	284	+
205	205	)))
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207		-[[image:1652953568895-172.png||height="232" width="724"]]
	287	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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	290	+
210	210	== 3.3 Configure Commands to read data ==
211	211
	293	+
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.
	296	+(((
	297	+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.
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	299	+
215	215	)))
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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
	304	+(((
	305	+(% 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**
	306	+)))
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223	223
224		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	313	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
225	225
	315	+
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" %)(((
	318	+
	319	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	320	+|=(% style="width: 110px;" %)(((
230	230	**AT Commands**
231		-)))|(% style="width:305px" %)(((
	322	+)))|=(% style="width: 190px;" %)(((
232	232	**Description**
233		-)))|(% style="width:346px" %)(((
	324	+)))|=(% style="width: 190px;" %)(((
234	234	**Example**
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236		-|(% style="width:128px" %)(((
	327	+|(% style="width:110px" %)(((
237	237	AT+BAUDR
238		-)))|(% style="width:305px" %)(((
	329	+)))|(% style="width:190px" %)(((
239	239	Set the baud rate (for RS485 connection). Default Value is: 9600.
240		-)))|(% style="width:346px" %)(((
	331	+)))|(% style="width:190px" %)(((
241	241	(((
242	242	AT+BAUDR=9600
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246	246	Options: (1200,2400,4800,14400,19200,115200)
247	247	)))
248	248	)))
249		-|(% style="width:128px" %)(((
	340	+|(% style="width:110px" %)(((
250	250	AT+PARITY
251		-)))|(% style="width:305px" %)(((
	342	+)))|(% style="width:190px" %)(((
252	252	Set UART parity (for RS485 connection)
253		-)))|(% style="width:346px" %)(((
	344	+)))|(% 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" %)(((
	353	+|(% style="width:110px" %)(((
263	263	AT+STOPBIT
264		-)))|(% style="width:305px" %)(((
	355	+)))|(% 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" %)(((
	363	+)))|(% style="width:190px" %)(((
273	273	(((
274	274	AT+STOPBIT=0 for 1bit
275	275	)))
...	...	@@ -283,26 +283,42 @@
283	283	)))
284	284	)))
285	285
	377	+
	378	+
	379	+
286	286	=== 3.3.2 Configure sensors ===
287	287
	382	+
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.
	385	+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.
	386	+
	387	+
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" %)(((
	391	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	392	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	393	+|AT+CFGDEV|(% style="width:110px" %)(((
	394	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	396	+)))
298	298
	398	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	400	+)))
300	300
	402	+(((
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
	404	+)))
	405	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
	407	+
	408	+
	409	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
305	305
	412	+
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:**
	423	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
	425	+
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:
	438	+(% 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**
	442	+(% 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.
	454	+(% 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" %)(((
	456	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	457	+|(% style="width:510px" %)(((
351	351	**AT+DATACUTx=a,b,c**
352	352
353	353	* **a: length for the return of AT+COMMAND**
...	...	@@ -355,27 +355,33 @@
355	355	* **c: define the position for valid value.  **
356	356	)))
357	357
	465	+
358	358	**Examples:**
359	359
360		-* Grab bytes:
361	361
362		-[[image:image-20220602153621-1.png]]
	469	+* (% style="color:#037691" %)**Grab bytes**
363	363
	471	+(% 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
	475	+* (% style="color:#037691" %)**Grab a section**
369	369
370		-* Grab different sections.
	477	+(% 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
	480	+
	481	+* (% style="color:#037691" %)**Grab different sections**
	482	+
	483	+(% 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" %)​
	484	+
	485	+
374	374
375	375	)))
376	376
377	377	=== 3.3.4 Compose the uplink payload ===
378	378
	491	+
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
	509	+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.
	514	+
	515	+
405	405	)))
406	406
407		-[[image:1653269759169-150.png||height="513" width="716"]]
	518	+(% 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
	526	+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.
...	...	@@ -421,9 +421,11 @@
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]]
425	425
426	426
	536	+(% 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" %)​
	537	+
	538	+
427	427	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
428	428
429	429	DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
...	...	@@ -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:
	548	+(% 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
	550	+
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.
...	...	@@ -443,400 +443,1194 @@
443	443
444	444	~* For all other bands: max 51 bytes for each uplink.
445	445
	559	+(% 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
	561	+(% 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)**
	562	+
	563	+
	564	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
	565	+
	566	+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**.
	567	+
	568	+
	569	+[[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"]]
	570	+
	571	+
	572	+
	573	+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**.
	574	+
	575	+
	576	+[[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"]]
	577	+
	578	+
	579	+
447	447	Below are the uplink payloads:
448	448
449		-[[image:1654157178836-407.png]]
450	450
	583	+(% 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" %)​
451	451
	585	+
	586	+
452	452	=== 3.3.5 Uplink on demand ===
453	453
	589	+
454	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:
	592	+**(% style="color:blue" %)Downlink control command:**
457	457
458		-**0x08 command**: Poll an uplink with current command set in RS485-LN.
	594	+**(% style="color:#4472C4" %) 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.
	596	+**(% style="color:#4472C4" %) 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
461	461
462	462
463	463
464	464	=== 3.3.6 Uplink on Interrupt ===
465	465
	602	+
466	466	RS485-LN support external Interrupt uplink since hardware v1.2 release.
467	467
468		-[[image:1654157342174-798.png]]
469	469
	606	+(% 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" %)​
	607	+
470	470	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.
471	471
472	472
	611	+
473	473	== 3.4 Uplink Payload ==
474	474
475		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477		-|Value|(% style="width:120px" %)(((
478		-Battery(mV)
479	479
480		-&
	615	+(% 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"]]
481	481
482		-Interrupt _Flag
483		-)))|(% style="width:116px" %)(((
484		-PAYLOAD_VER
	617	+(% title="Click and drag to resize" %)​
485	485
486		-
487		-)))|(% style="width:386px" %)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.
488		-
489	489	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490	490
491	491
492		-== 3.5 Configure RS485-BL via AT or Downlink ==
493	493
	623	+== 3.5 Configure RS485-LN via AT or Downlink ==
	624	+
	625	+
	626	+(((
494	494	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	628	+)))
495	495
	630	+(((
496	496	There are two kinds of Commands:
	632	+)))
497	497
498		-* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	634	+* (((
	635	+(% 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]]
	636	+)))
499	499
500		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	638	+* (((
	639	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	640	+)))
501	501
	642	+(((
	643	+
	644	+)))
	645	+
	646	+
	647	+
502	502	=== 3.5.1 Common Commands ===
503	503
	650	+
504	504	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]]
505	505
506	506
507		-=== 3.5.2 Sensor related commands ===
508	508
	655	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	656	+
	657	+
509	509	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.
510	510
511		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
	660	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)​
512	512
513	513	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)
514	514
515	515
	665	+
516	516	=== 3.5.3 Sensor related commands ===
517	517
518		-==== ====
519	519
520		-==== **RS485 Debug Command** ====
521	521
522		-This command is used to configure the RS485 devices; they won’t be used during sampling.
523	523
524		-* **AT Command**
	671	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
525	525
526		-(% class="box infomessage" %)
	673	+
527	527	(((
528		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	675	+This command is used to configure the RS485 devices; they won't be used during sampling.
529	529	)))
530	530
531		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	678	+* (((
	679	+(% style="color:#037691" %)**AT Command**
532	532
533		-* **Downlink Payload**
	681	+(((
	682	+**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
	683	+)))
	684	+)))
534	534
	686	+(((
	687	+
	688	+)))
	689	+
	690	+* (((
	691	+(% style="color:#037691" %)**Downlink Payload**
	692	+)))
	693	+
	694	+(((
535	535	Format: A8 MM NN XX XX XX XX YY
	696	+)))
536	536
	698	+(((
537	537	Where:
	700	+)))
538	538
539		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
540		-* NN: The length of RS485 command
541		-* XX XX XX XX: RS485 command total NN bytes
542		-* YY: How many bytes will be uplink from the return of this RS485 command,
543		-** if YY=0, RS485-LN will execute the downlink command without uplink;
544		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
545		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	702	+* (((
	703	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	704	+)))
	705	+* (((
	706	+NN: The length of RS485 command
	707	+)))
	708	+* (((
	709	+XX XX XX XX: RS485 command total NN bytes
	710	+)))
	711	+* (((
	712	+(((
	713	+YY: How many bytes will be uplink from the return of this RS485 command,
	714	+)))
546	546
547		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	716	+* (((
	717	+if YY=0, RS485-LN will execute the downlink command without uplink;
	718	+)))
	719	+* (((
	720	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	721	+)))
	722	+* (((
	723	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	724	+)))
	725	+)))
548	548
	727	+(((
	728	+
	729	+
	730	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	731	+)))
	732	+
	733	+(((
549	549	To connect a Modbus Alarm with below commands.
	735	+)))
550	550
551		-* 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.
	737	+* (((
	738	+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.
	739	+)))
552	552
553		-* 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.
	741	+* (((
	742	+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.
	743	+)))
554	554
	745	+(((
	746	+
	747	+
555	555	So if user want to use downlink command to control to RS485 Alarm, he can use:
	749	+)))
556	556
	751	+(((
557	557	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	753	+)))
558	558
	755	+(((
559	559	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	757	+)))
560	560
	759	+(((
561	561	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.
	761	+)))
562	562
	763	+(((
	764	+
	765	+)))
563	563
564		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	767	+(((
	768	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	769	+)))
565	565
	771	+(((
566	566	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	773	+)))
567	567
	775	+(((
	776	+
	777	+)))
568	568
569		-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:
	779	+(((
	780	+(((
	781	+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**
	782	+)))
570	570
571		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	784	+
	785	+)))
572	572
573		- [[image:1654159460680-153.png]]
	787	+(((
	788	+ (% 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" %)​
	789	+)))
574	574
575	575
576	576
577		-==== **Set Payload version** ====
578	578
579		-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.
	794	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
580	580
581		-* **AT Command:**
582	582
583		-(% class="box infomessage" %)
584	584	(((
585		-**AT+PAYVER: Set PAYVER field = 1**
	798	+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.
586	586	)))
587	587
	801	+* (((
	802	+(% style="color:#037691" %)**AT Command:**
588	588
589		-* **Downlink Payload:**
	804	+**AT+PAYVER:    **Set PAYVER field = 1
590	590
591		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	806	+
	807	+)))
	808	+* (((
	809	+(% style="color:#037691" %)**Downlink Payload:**
	810	+)))
592	592
593		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	812	+(((
	813	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	814	+)))
594	594
	816	+(((
	817	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	818	+)))
595	595
596	596
597		-==== **Set RS485 Sampling Commands** ====
	821	+1)Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)[[image:image-20220824145428-2.png||height="168" width="1300"]]
598	598
599		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
600	600
601		-These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	824	+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.
602	602
	826	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
603	603
604		-* **AT Command:**
605	605
606		-(% class="box infomessage" %)
	829	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	830	+
	831	+
607	607	(((
608		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	833	+AT+COMMANDx or AT+DATACUTx
609	609	)))
610	610
611		-(% class="box infomessage" %)
612	612	(((
613		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	837	+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"]].
614	614	)))
615	615
616		-(% class="box infomessage" %)
617	617	(((
618		-**AT+SEARCHx: Configure search command**
	841	+
619	619	)))
620	620
	844	+* (((
	845	+(% style="color:#037691" %)**AT Command:**
	846	+)))
621	621
622		-* **Downlink Payload:**
	848	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
623	623
	850	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
	851	+
	852	+
	853	+* (((
	854	+(% style="color:#037691" %)**Downlink Payload:**
	855	+)))
	856	+
	857	+(((
624	624	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
625	625
	860	+
	861	+)))
	862	+
	863	+(((
626	626	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
627	627
	866	+
	867	+)))
	868	+
	869	+(((
628	628	Format: AF MM NN LL XX XX XX XX YY
	871	+)))
629	629
	873	+(((
630	630	Where:
	875	+)))
631	631
632		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
633		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
634		-* LL:  The length of AT+COMMAND or AT+DATACUT command
635		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
636		-* 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.
	877	+* (((
	878	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	879	+)))
	880	+* (((
	881	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	882	+)))
	883	+* (((
	884	+LL:  The length of AT+COMMAND or AT+DATACUT command
	885	+)))
	886	+* (((
	887	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	888	+)))
	889	+* (((
	890	+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.
	891	+)))
637	637
	893	+(((
	894	+
	895	+
638	638	**Example:**
	897	+)))
639	639
	899	+(((
640	640	(% 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
	901	+)))
641	641
	903	+(((
642	642	(% 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**
	905	+)))
643	643
	907	+(((
644	644	(% 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**
	909	+)))
645	645
646	646
647		-**0xAB** downlink command can be used for set AT+SEARCHx
648	648
649		-**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
650	650
651		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
652		-* 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
	914	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
653	653
654		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
655	655
	917	+(((
	918	+**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]].
	919	+)))
656	656
	921	+(((
	922	+This command is valid since v1.3 firmware version
	923	+)))
657	657
658		-==== **Fast command to handle MODBUS device** ====
	925	+(((
	926	+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.
	927	+)))
659	659
660		-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]].
	929	+(((
	930	+
	931	+)))
661	661
662		-This command is valid since v1.3 firmware version
	933	+(((
	934	+**Example:**
	935	+)))
663	663
	937	+* (((
	938	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	939	+)))
	940	+* (((
	941	+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.
	942	+)))
	943	+* (((
	944	+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.
664	664
665		-**AT+MBFUN has only two value:**
	946	+
	947	+)))
666	666
667		-* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
	949	+(% 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" %)​
668	668
669		-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.
	951	+(% 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" %)​
670	670
671		-* **AT+MBFUN=0**: Disable Modbus fast reading.
672	672
673		-**Example:**
674	674
675		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
676		-* 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.
677		-* 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.
678	678
679		-[[image:1654133913295-597.png]]
	956	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
680	680
681	681
682		-[[image:1654133954153-643.png]]
	959	+(((
	960	+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.
	961	+)))
683	683
	963	+(((
	964	+Default value: 0, range:  0 ~~ 65 seconds
	965	+)))
684	684
685		-* **Downlink Commands:**
	967	+* (((
	968	+(% style="color:#037691" %)** AT Command:**
686	686
687		-**A9 aa** ~-~-> Same as AT+MBFUN=aa
	970	+**AT+CMDDLaa=hex(bb cc)*1000**
	971	+)))
688	688
	973	+(((
	974	+
689	689
	976	+**Example:**
	977	+)))
690	690
691		-==== **RS485 command timeout** ====
	979	+(((
	980	+**AT+CMDDL1=1000** to send the open time to 1000ms
	981	+)))
692	692
693		-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.
	983	+(((
	984	+
	985	+)))
694	694
695		-Default value: 0, range:  0 ~~ 5 seconds
	987	+* (((
	988	+(% style="color:#037691" %)** Downlink Payload:**
	989	+)))
696	696
	991	+(((
	992	+**0x AA aa bb cc**
	993	+)))
697	697
698		-* **AT Command:**
699		-
700		-(% class="box infomessage" %)
701	701	(((
702		-**AT+CMDDLaa=hex(bb cc)**
	996	+Same as: AT+CMDDLaa=hex(bb cc)*1000
703	703	)))
704	704
	999	+(((
705	705	**Example:**
	1001	+)))
706	706
707		-**AT+CMDDL1=1000** to send the open time to 1000ms
	1003	+(((
	1004	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1005	+)))
708	708
709	709
710		-* **Downlink Payload:**
	1008	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
711	711
712		-0x AA aa bb cc
713	713
714		-Same as: AT+CMDDLaa=hex(bb cc)
	1011	+(((
	1012	+Define to use one uplink or multiple uplinks for the sampling.
	1013	+)))
715	715
716		- **Example:**
	1015	+(((
	1016	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
717	717
718		- **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
	1018	+
	1019	+)))
719	719
	1021	+* (((
	1022	+(% style="color:#037691" %)** AT Command:**
720	720
	1024	+**AT+DATAUP=0**
721	721
722		-==== **Uplink payload mode** ====
	1026	+**AT+DATAUP=1**
723	723
724		-Define to use one uplink or multiple uplinks for the sampling.
	1028	+
	1029	+)))
725	725
726		-The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	1031	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
727	727
728		-* **AT Command:**
	1033	+Each uplink is sent to the server at 20-second intervals when segmented.
729	729
730		-(% class="box infomessage" %)
731		-(((
732		-**AT+DATAUP=0**
	1035	+
	1036	+* (((
	1037	+(% style="color:#037691" %)** Downlink Payload:**
733	733	)))
734	734
735		-(% class="box infomessage" %)
736		-(((
737		-**AT+DATAUP=1**
	1040	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	1041	+
	1042	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
	1043	+
	1044	+
	1045	+* (((
	1046	+(% style="color:#037691" %)** AT Command:**
738	738	)))
739	739
	1049	+**AT+DATAUP=1,Timeout**
740	740
741		-* **Downlink Payload:**
742	742
743		-**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	1052	+* (((
	1053	+(% style="color:#037691" %)** Downlink Payload:**
	1054	+)))
744	744
745		-**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	1056	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
746	746
	1058	+Each uplink is sent to the server at 20-second intervals when segmented.
747	747
	1060	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
748	748
749		-==== **Manually trigger an Uplink** ====
750	750
	1063	+(((
751	751	Ask device to send an uplink immediately.
	1065	+)))
752	752
753		-* **Downlink Payload:**
	1067	+* (((
	1068	+(% style="color:#037691" %)** AT Command:**
	1069	+)))
754	754
755		-**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	+)))
756	756
	1075	+(((
	1076	+
	1077	+)))
757	757
	1079	+* (((
	1080	+(% style="color:#037691" %)** Downlink Payload:**
	1081	+)))
758	758
759		-==== **Clear RS485 Command** ====
	1083	+(((
	1084	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1085	+)))
760	760
	1087	+
	1088	+
	1089	+
	1090	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1091	+
	1092	+
	1093	+(((
761	761	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
762	762
	1096	+
	1097	+)))
763	763
764		-* **AT Command:**
	1099	+* (((
	1100	+(% style="color:#037691" %)** AT Command:**
	1101	+)))
765	765
766		-(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1103	+(((
	1104	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1105	+)))
767	767
	1107	+(((
	1108	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1109	+)))
	1110	+
	1111	+(((
768	768	Example screen shot after clear all RS485 commands.
	1113	+)))
769	769
	1115	+(((
	1116	+
	1117	+)))
770	770
	1119	+(((
771	771	The uplink screen shot is:
	1121	+)))
772	772
773		-[[image:1654134704555-320.png]]
	1123	+(% 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" %)​
774	774
775	775
776		-* **Downlink Payload:**
	1126	+* (((
	1127	+(% style="color:#037691" %)** Downlink Payload:**
	1128	+)))
777	777
	1130	+(((
778	778	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1132	+)))
779	779
780	780
781	781
782		-==== **Set Serial Communication Parameters** ====
783	783
	1137	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1138	+
	1139	+
	1140	+(((
784	784	Set the Rs485 serial communication parameters:
785	785
786		-* **AT Command:**
	1143	+
	1144	+)))
787	787
788		-Set Baud Rate:
	1146	+* (((
	1147	+(% style="color:#037691" %)** AT Command:**
	1148	+)))
789	789
790		-(% class="box infomessage" %)
791	791	(((
792		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1151	+* Set Baud Rate
793	793	)))
794	794
795		-Set UART Parity
	1154	+**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
796	796
797		-(% class="box infomessage" %)
	1156	+
798	798	(((
799		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1158	+* Set UART Parity
800	800	)))
801	801
802		-Set STOPBIT
	1161	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
803	803
804		-(% class="box infomessage" %)
	1163	+
805	805	(((
806		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1165	+* Set STOPBIT
807	807	)))
808	808
	1168	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
809	809
810		-* **Downlink Payload:**
811	811
812		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
813	813
	1172	+* (((
	1173	+(% style="color:#037691" %)** Downlink Payload:**
	1174	+)))
	1175	+
	1176	+(((
	1177	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1178	+)))
	1179	+
	1180	+(((
814	814	**Example:**
	1182	+)))
815	815
816		-* A7 01 00 60   same as AT+BAUDR=9600
817		-* A7 01 04 80  same as AT+BAUDR=115200
	1184	+* (((
	1185	+A7 01 00 60   same as AT+BAUDR=9600
	1186	+)))
	1187	+* (((
	1188	+A7 01 04 80  same as AT+BAUDR=115200
	1189	+)))
818	818
819		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1191	+(((
	1192	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1193	+)))
820	820
821		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1195	+(((
	1196	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1197	+)))
822	822
823	823
	1200	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
824	824
825		-==== **Control output power duration** ====
	1202	+(((
	1203	+
	1204	+)))
826	826
827		-User can set the output power duration before each sampling.
	1206	+* (((
	1207	+(% style="color:#037691" %)** AT Command:**
	1208	+)))
828	828
829		-* **AT Command:**
	1210	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
830	830
831		-**Example:**
	1212	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
832	832
833		-**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
834	834
835		-**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
	1215	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
836	836
837	837
838		-* **LoRaWAN Downlink Command:**
	1218	+* (((
	1219	+(% style="color:#037691" %)** AT Command:**
	1220	+)))
839	839
840		-**07 01 aa bb**  Same as AT+5VT=(aa bb)
	1222	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
841	841
842		-**07 02 aa bb**  Same as AT+3V3T=(aa bb)
	1224	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1225	+
	1226	+
	1227	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	1228	+
	1229	+
	1230	+* (((
	1231	+(% style="color:#037691" %)** AT Command:**
	1232	+)))
	1233	+
	1234	+**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)
	1235	+
	1236	+**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.
	1237	+
	1238	+
	1239	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	1240	+
	1241	+
	1242	+* (((
	1243	+(% style="color:#037691" %)** AT Command:**
	1244	+)))
	1245	+
	1246	+ **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)
	1247	+
	1248	+ **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.
	1249	+
	1250	+
	1251	+* (((
	1252	+(% style="color:#037691" %)** Downlink Payload:**
	1253	+)))
	1254	+
	1255	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1256	+
	1257	+
	1258	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1259	+
	1260	+
	1261	+* (((
	1262	+(% style="color:#037691" %)** AT Command:**
	1263	+)))
	1264	+
	1265	+**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.
	1266	+
	1267	+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.
	1268	+
	1269	+[[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"]]
	1270	+
	1271	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1272	+
	1273	+[[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"]]
	1274	+
	1275	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1276	+
	1277	+
	1278	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1279	+
	1280	+
	1281	+* (((
	1282	+(% style="color:#037691" %)**Downlink Payload:**
	1283	+
	1284	+**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1285	+)))
	1286	+
	1287	+Example：
	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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	1290	+
	1291	+==== ====
	1292	+
	1293	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	1294	+
	1295	+
	1296	+* (((
	1297	+(% style="color:#037691" %)** AT Command:**
	1298	+)))
	1299	+
	1300	+**~ ​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.
	1301	+
	1302	+**~ ​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.
	1303	+
	1304	+ **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
	1305	+
	1306	+
	1307	+* (((
	1308	+(% style="color:#037691" %)**Downlink Payload:**
	1309	+)))
	1310	+
	1311	+**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
	1312	+
	1313	+[[image:image-20220824144240-1.png]]
	1314	+
	1315	+
	1316	+
	1317	+== 3.6 Listening mode for RS485 network ==
	1318	+
	1319	+
	1320	+(((
	1321	+This feature support since firmware v1.4
	1322	+)))
	1323	+
	1324	+(((
	1325	+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.
	1326	+
	1327	+
	1328	+)))
	1329	+
	1330	+(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1331	+
	1332	+(((
	1333	+To enable the listening mode, use can run the command AT+RXMODE.
	1334	+)))
	1335	+
	1336	+(((
	1337	+
	1338	+)))
	1339	+
	1340	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1341	+|=(% style="width: 100px;" %)(((
	1342	+**Command example**
	1343	+)))|=(% style="width: 400px;" %)(((
	1344	+**Function**
	1345	+)))
	1346	+|(% style="width:100px" %)(((
	1347	+AT+RXMODE=1,10
	1348	+)))|(% style="width:400px" %)(((
	1349	+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.
	1350	+)))
	1351	+|(% style="width:100px" %)(((
	1352	+AT+RXMODE=2,500
	1353	+)))|(% style="width:400px" %)(((
	1354	+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
	1355	+)))
	1356	+|(% style="width:100px" %)(((
	1357	+AT+RXMODE=0,0
	1358	+)))|(% style="width:400px" %)(((
	1359	+Disable listening mode. This is the default settings.
	1360	+)))
	1361	+|(% style="width:100px" %)(((
	1362	+
	1363	+)))|(% style="width:400px" %)(((
	1364	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1365	+)))
	1366	+
	1367	+(((
	1368	+(% style="color:#037691" %)** Downlink Command:**
	1369	+)))
	1370	+
	1371	+(((
	1372	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1373	+)))
	1374	+
	1375	+(((
	1376	+
	1377	+)))
	1378	+
	1379	+(((
	1380	+**Example**:
	1381	+)))
	1382	+
	1383	+(((
	1384	+The RS485-LN is set to AT+RXMODE=2,1000
	1385	+)))
	1386	+
	1387	+(((
	1388	+There is a two Modbus commands in the RS485 network as below:
	1389	+)))
	1390	+
	1391	+(((
	1392	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1393	+)))
	1394	+
	1395	+(((
	1396	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1397	+)))
	1398	+
	1399	+(((
	1400	+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
	1401	+)))
	1402	+
	1403	+(((
	1404	+(% 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" %)​
	1405	+)))
	1406	+
	1407	+(((
	1408	+
	1409	+)))
	1410	+
	1411	+(((
	1412	+(((
	1413	+(% 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.**
	1414	+)))
	1415	+)))
	1416	+
	1417	+
	1418	+
	1419	+== 3.7 Buttons ==
	1420	+
	1421	+
	1422	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1423	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1424	+|(% 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**
	1425	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1426	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1427	+
	1428	+== 3.8 LEDs ==
	1429	+
	1430	+
	1431	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1432	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1433	+|**PWR**|Always on if there is power
	1434	+|**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.
	1435	+
	1436	+= 4. Case Study =
	1437	+
	1438	+
	1439	+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]]
	1440	+
	1441	+
	1442	+
	1443	+= 5. Use AT Command =
	1444	+
	1445	+
	1446	+== 5.1 Access AT Command ==
	1447	+
	1448	+
	1449	+(((
	1450	+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.
	1451	+)))
	1452	+
	1453	+(% 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" %)​
	1454	+
	1455	+
	1456	+(((
	1457	+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:
	1458	+)))
	1459	+
	1460	+(% 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" %)​
	1461	+
	1462	+
	1463	+(((
	1464	+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/]]
	1465	+)))
	1466	+
	1467	+
	1468	+
	1469	+== 5.2 Common AT Command Sequence ==
	1470	+
	1471	+
	1472	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1473	+
	1474	+
	1475	+If device has not joined network yet:
	1476	+
	1477	+* (% style="color:#037691" %)**AT+FDR**
	1478	+* (% style="color:#037691" %)**AT+NJM=0**
	1479	+* (% style="color:#037691" %)**ATZ**
	1480	+
	1481	+(((
	1482	+
	1483	+
	1484	+If device already joined network:
	1485	+
	1486	+* (% style="color:#037691" %)**AT+NJM=0**
	1487	+* (% style="color:#037691" %)**ATZ**
	1488	+
	1489	+
	1490	+)))
	1491	+
	1492	+
	1493	+
	1494	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1495	+
	1496	+
	1497	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1498	+
	1499	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
	1500	+
	1501	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
	1502	+
	1503	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
	1504	+
	1505	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1506	+
	1507	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
	1508	+
	1509	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1510	+
	1511	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1512	+
	1513	+(% 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.
	1514	+
	1515	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1516	+
	1517	+
	1518	+(% style="color:red" %)**Note:**
	1519	+
	1520	+(((
	1521	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1522	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1523	+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.
	1524	+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
	1525	+
	1526	+
	1527	+)))
	1528	+
	1529	+(% 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" %)​
	1530	+
	1531	+
	1532	+
	1533	+= 6. FAQ =
	1534	+
	1535	+
	1536	+== 6.1 How to upgrade the image? ==
	1537	+
	1538	+
	1539	+(((
	1540	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1541	+)))
	1542	+
	1543	+* (((
	1544	+Support new features
	1545	+)))
	1546	+* (((
	1547	+For bug fix
	1548	+)))
	1549	+* (((
	1550	+Change LoRaWAN bands.
	1551	+)))
	1552	+
	1553	+(((
	1554	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1555	+)))
	1556	+
	1557	+(% 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"]]
	1558	+
	1559	+(% title="Click and drag to resize" %)​
	1560	+
	1561	+(((
	1562	+(% 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]].
	1563	+)))
	1564	+
	1565	+(((
	1566	+(% 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]].
	1567	+)))
	1568	+
	1569	+(((
	1570	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1571	+)))
	1572	+
	1573	+(((
	1574	+(((
	1575	+(((
	1576	+(% 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.
	1577	+)))
	1578	+)))
	1579	+)))
	1580	+
	1581	+
	1582	+(% 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" %)​
	1583	+
	1584	+
	1585	+(% 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" %)​
	1586	+
	1587	+
	1588	+(% 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" %)​
	1589	+
	1590	+
	1591	+(% 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:**
	1592	+
	1593	+(% 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" %)​
	1594	+
	1595	+
	1596	+
	1597	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
	1598	+
	1599	+
	1600	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1601	+
	1602	+
	1603	+
	1604	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
	1605	+
	1606	+
	1607	+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"]].
	1608	+
	1609	+
	1610	+
	1611	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
	1612	+
	1613	+
	1614	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
	1615	+
	1616	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
	1617	+
	1618	+
	1619	+
	1620	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1621	+
	1622	+
	1623	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1624	+
	1625	+
	1626	+
	1627	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1628	+
	1629	+
	1630	+[[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/]]
	1631	+
	1632	+
	1633	+
	1634	+= 7. Trouble Shooting =
	1635	+
	1636	+
	1637	+== 7.1 Downlink doesn't work, how to solve it? ==
	1638	+
	1639	+
	1640	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1641	+
	1642	+
	1643	+
	1644	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1645	+
	1646	+
	1647	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1648	+
	1649	+
	1650	+
	1651	+= 8. Order Info =
	1652	+
	1653	+
	1654	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1655	+
	1656	+(% style="color:blue" %)**XXX:**
	1657	+
	1658	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1659	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1660	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1661	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1662	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1663	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1664	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1665	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1666	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1667	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1668	+
	1669	+= 9.Packing Info =
	1670	+
	1671	+
	1672	+**Package Includes**:
	1673	+
	1674	+* RS485-LN x 1
	1675	+* Stick Antenna for LoRa RF part x 1
	1676	+* Program cable x 1
	1677	+
	1678	+**Dimension and weight**:
	1679	+
	1680	+* Device Size: 13.5 x 7 x 3 cm
	1681	+* Device Weight: 105g
	1682	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1683	+* Weight / pcs : 170g
	1684	+
	1685	+= 10. FCC Caution for RS485LN-US915 =
	1686	+
	1687	+
	1688	+(((
	1689	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1690	+)))
	1691	+
	1692	+(((
	1693	+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.
	1694	+)))
	1695	+
	1696	+(((
	1697	+
	1698	+)))
	1699	+
	1700	+(((
	1701	+(% style="color:red" %)**IMPORTANT NOTE:**
	1702	+)))
	1703	+
	1704	+(((
	1705	+(% 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:
	1706	+)))
	1707	+
	1708	+(((
	1709	+—Reorient or relocate the receiving antenna.
	1710	+)))
	1711	+
	1712	+(((
	1713	+—Increase the separation between the equipment and receiver.
	1714	+)))
	1715	+
	1716	+(((
	1717	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1718	+)))
	1719	+
	1720	+(((
	1721	+—Consult the dealer or an experienced radio/TV technician for help.
	1722	+)))
	1723	+
	1724	+(((
	1725	+
	1726	+)))
	1727	+
	1728	+(((
	1729	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1730	+)))
	1731	+
	1732	+(((
	1733	+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.
	1734	+)))
	1735	+
	1736	+
	1737	+
	1738	+= 11. Support =
	1739	+
	1740	+
	1741	+* (((
	1742	+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.
	1743	+)))
	1744	+* (((
	1745	+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]].
	1746	+
	1747	+
	1748	+
	1749	+)))

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