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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	40	+
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
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	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]]
	179	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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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	+
163	163	)))
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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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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 +283,40 @@
283	283	)))
284	284	)))
285	285
	372	+
	373	+
286	286	=== 3.3.2 Configure sensors ===
287	287
	376	+
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.
	379	+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.
	380	+
	381	+
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" %)(((
	385	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	386	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	387	+|AT+CFGDEV|(% style="width:110px" %)(((
	388	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	390	+)))
298	298
	392	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	394	+)))
300	300
	396	+(((
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
	398	+)))
	399	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
	401	+
	402	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
305	305
	405	+
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:**
	416	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
	418	+
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:
	431	+(% 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**
	435	+(% 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.
	447	+(% 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" %)(((
	449	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	450	+|(% 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]]
	461	+* (% style="color:#037691" %)**Grab bytes**
363	363
	463	+(% 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
	467	+* (% style="color:#037691" %)**Grab a section**
369	369
370		-* Grab different sections.
	469	+(% 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
	472	+
	473	+* (% style="color:#037691" %)**Grab different sections**
	474	+
	475	+(% 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" %)​
	476	+
	477	+
374	374
375	375	)))
376	376
377	377	=== 3.3.4 Compose the uplink payload ===
378	378
	483	+
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
	501	+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.
	506	+
	507	+
405	405	)))
406	406
407		-[[image:1653269759169-150.png||height="513" width="716"]]
	510	+(% 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**
...	...	@@ -412,691 +412,1194 @@
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
	518	+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		-1. Battery Info (2 bytes): Battery voltage
420		-1. PAYVER (1 byte): Defined by AT+PAYVER
421		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
422		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
423		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
	521	+1. PAYVER: Defined by AT+PAYVER
	522	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	523	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	524	+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
424	424
425		-[[image:1653269916228-732.png||height="433" width="711"]]
426	426
	527	+(% 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" %)​
427	427
428		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
429	429
430		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	530	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
431	431
432		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	532	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
433	433
434		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	534	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
435	435
436		-Below are the uplink payloads:
	536	+DATA3=the rest of Valid value of RETURN10= **30**
437	437
438		-[[image:1653270130359-810.png]]
439	439
	539	+(% 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:**
440	440
441		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
442	442
443		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	542	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
444	444
445		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	544	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
446	446
447		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	546	+ * For US915 band, max 11 bytes for each uplink.
448	448
449		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	548	+ ~* For all other bands: max 51 bytes for each uplink.
450	450
451		-=== 3.3.5 Uplink on demand ===
	550	+(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
452	452
453		-Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
	552	+(% 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)**
454	454
455		-Downlink control command:
456	456
457		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	555	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
458	458
459		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	557	+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**.
460	460
461	461
	560	+[[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"]]
462	462
463		-1.
464		-11.
465		-111. Uplink on Interrupt
466	466
467		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
468	468
469		-AT+INTMOD=0  Disable Interrupt
	564	+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**.
470	470
471		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
472	472
473		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	567	+[[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"]]
474	474
475		-AT+INTMOD=3  Interrupt trigger by rising edge.
476	476
477	477
478		-1.
479		-11. Uplink Payload
	571	+Below are the uplink payloads:
480	480
481		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
482		-|Value|(((
483		-Battery(mV)
484	484
485		-&
	574	+(% 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" %)​
486	486
487		-Interrupt _Flag
488		-)))|(((
489		-PAYLOAD_VER
490	490
491		-
492		-)))|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.
493	493
494		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	578	+=== 3.3.5 Uplink on demand ===
495	495
496	496
497		-function Decoder(bytes, port) {
	581	+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.
498	498
499		-~/~/Payload Formats of RS485-BL Deceive
	583	+(% style="color:blue" %)**Downlink control command:**
500	500
501		-return {
	585	+(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
502	502
503		- ~/~/Battery,units:V
	587	+(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
504	504
505		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
506	506
507		- ~/~/GPIO_EXTI
508	508
509		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	591	+=== 3.3.6 Uplink on Interrupt ===
510	510
511		- ~/~/payload of version
512	512
513		- Pay_ver:bytes[2],
	594	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
514	514
515		- };
516	516
517		- }
	597	+(% 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" %)​
518	518
	599	+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.
519	519
520	520
521	521
	603	+== 3.4 Uplink Payload ==
522	522
523	523
	606	+(% 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"]]
524	524
525		-TTN V3 uplink screen shot.
	608	+(% title="Click and drag to resize" %)​
526	526
527		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	610	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
528	528
529		-1.
530		-11. Configure RS485-BL via AT or Downlink
531	531
532		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
533	533
	614	+== 3.5 Configure RS485-LN via AT or Downlink ==
	615	+
	616	+
	617	+(((
	618	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	619	+)))
	620	+
	621	+(((
534	534	There are two kinds of Commands:
	623	+)))
535	535
536		-* **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
	625	+* (((
	626	+(% 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]]
	627	+)))
537	537
538		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	629	+* (((
	630	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	631	+)))
539	539
540		-1.
541		-11.
542		-111. Common Commands:
	633	+(((
	634	+
	635	+)))
543	543
544		-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]]
545	545
546	546
547		-1.
548		-11.
549		-111. Sensor related commands:
	639	+=== 3.5.1 Common Commands ===
550	550
551		-==== Choose Device Type (RS485 or TTL) ====
552	552
553		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	642	+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]]
554	554
555		-* AT Command
556	556
557		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
558	558
559		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	646	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
560	560
561	561
562		-* Downlink Payload
	649	+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.
563	563
564		-**0A aa**     à same as AT+MOD=aa
	651	+(% 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" %)​
565	565
	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)
566	566
567	567
568		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
569	569
570		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	657	+=== 3.5.3 Sensor related commands ===
571	571
572		-* AT Command
573	573
574		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
575	575
576		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
577	577
	662	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
578	578
579	579
580		-* Downlink Payload
	665	+(((
	666	+This command is used to configure the RS485 devices; they won't be used during sampling.
	667	+)))
581	581
582		-Format: A8 MM NN XX XX XX XX YY
	669	+* (((
	670	+(% style="color:#037691" %)**AT Command**
583	583
	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	+(((
584	584	Where:
	691	+)))
585	585
586		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
587		-* NN: The length of RS485 command
588		-* XX XX XX XX: RS485 command total NN bytes
589		-* 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	+)))
590	590
591		-**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	+)))
592	592
	718	+(((
	719	+
	720	+
	721	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	722	+)))
	723	+
	724	+(((
593	593	To connect a Modbus Alarm with below commands.
	726	+)))
594	594
595		-* 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	+)))
596	596
597		-* 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	+)))
598	598
	736	+(((
	737	+
	738	+
599	599	So if user want to use downlink command to control to RS485 Alarm, he can use:
	740	+)))
600	600
601		-**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	+)))
602	602
603		-**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	+)))
604	604
	750	+(((
605	605	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	+)))
606	606
	754	+(((
	755	+
	756	+)))
607	607
608		-**Example 2:**
	758	+(((
	759	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	760	+)))
609	609
610		-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	+)))
611	611
612		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	766	+(((
	767	+
	768	+)))
613	613
	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	+)))
614	614
	775	+
	776	+)))
615	615
	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	+)))
616	616
617		-==== Set Payload version ====
618	618
619		-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.
620	620
621		-* AT Command:
622	622
623		-AT+PAYVER: Set PAYVER field = 1
	785	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
624	624
625	625
626		-* 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	+)))
627	627
628		-0xAE 01   à Set PAYVER field =  0x01
	792	+* (((
	793	+(% style="color:#037691" %)**AT Command:**
629	629
630		-0xAE 0F   à Set PAYVER field =  0x0F
	795	+(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
631	631
	797	+
	798	+)))
	799	+* (((
	800	+(% style="color:#037691" %)**Downlink Payload:**
	801	+)))
632	632
633		-==== Set RS485 Sampling Commands ====
	803	+(((
	804	+(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
	805	+)))
634	634
635		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	807	+(((
	808	+(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
	809	+)))
636	636
637		-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]].
638	638
	812	+1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)
639	639
640		-* AT Command:
	814	+[[image:image-20220824145428-2.png||height="168" width="1300"]]
641	641
642		-AT+COMMANDx: Configure RS485 read command to sensor.
643	643
644		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	817	+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.
645	645
646		-AT+SEARCHx: Configure search command
647	647
	820	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
648	648
649		-* Downlink Payload:
650	650
651		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
652	652
653		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
654	654
655		-Format: AF MM NN LL XX XX XX XX YY
	825	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
656	656
657		-Where:
658	658
659		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
660		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
661		-* LL: The length of AT+COMMAND or AT+DATACUT command
662		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
663		-* 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.
	828	+(((
	829	+AT+COMMANDx or AT+DATACUTx
	830	+)))
664	664
665		-Example:
	832	+(((
	833	+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"]].
	834	+)))
666	666
667		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	836	+(((
	837	+
	838	+)))
668	668
669		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	840	+* (((
	841	+(% style="color:#037691" %)**AT Command:**
	842	+)))
670	670
671		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	844	+(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
672	672
	846	+(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
673	673
674		-0xAB downlink command can be used for set AT+SEARCHx
675	675
676		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	849	+* (((
	850	+(% style="color:#037691" %)**Downlink Payload:**
	851	+)))
677	677
678		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
679		-* 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
	853	+(((
	854	+(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
680	680
681		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	856	+
	857	+)))
682	682
	859	+(((
	860	+(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
683	683
684		-==== Fast command to handle MODBUS device ====
	862	+
	863	+)))
685	685
686		-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]].
	865	+(((
	866	+Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	867	+)))
687	687
	869	+(((
	870	+Where:
	871	+)))
	872	+
	873	+* (((
	874	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	875	+)))
	876	+* (((
	877	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	878	+)))
	879	+* (((
	880	+LL:  The length of AT+COMMAND or AT+DATACUT command
	881	+)))
	882	+* (((
	883	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	884	+)))
	885	+* (((
	886	+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.
	887	+)))
	888	+
	889	+(((
	890	+
	891	+
	892	+**Example:**
	893	+)))
	894	+
	895	+(((
	896	+(% 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
	897	+)))
	898	+
	899	+(((
	900	+(% 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**
	901	+)))
	902	+
	903	+(((
	904	+(% 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**
	905	+)))
	906	+
	907	+
	908	+
	909	+
	910	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
	911	+
	912	+
	913	+(((
	914	+(% 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]].
	915	+)))
	916	+
	917	+(((
688	688	This command is valid since v1.3 firmware version
	919	+)))
689	689
	921	+(((
	922	+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.
	923	+)))
690	690
691		-AT+MBFUN has only two value:
	925	+(((
	926	+
	927	+)))
692	692
693		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	929	+(((
	930	+**Example:**
	931	+)))
694	694
695		-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.
	933	+* (((
	934	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	935	+)))
	936	+* (((
	937	+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.
	938	+)))
	939	+* (((
	940	+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.
696	696
697		-* AT+MBFUN=0: Disable Modbus fast reading.
	942	+
	943	+)))
698	698
699		-Example:
	945	+(% 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" %)​
700	700
701		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
702		-* 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.
703		-* 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.
	947	+(% 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" %)​
704	704
705		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
706	706
707	707
708		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
709	709
	952	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
710	710
711		-* Downlink Commands:
712	712
713		-A9 aa -à Same as AT+MBFUN=aa
	955	+(((
	956	+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.
	957	+)))
714	714
	959	+(((
	960	+Default value: 0, range:  0 ~~ 65 seconds
	961	+)))
715	715
716		-==== RS485 command timeout ====
	963	+(((
	964	+* (% style="color:#037691" %)** AT Command:**
717	717
718		-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.
719	719
720		-Default value: 0, range:  0 ~~ 5 seconds
	967	+(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
	968	+)))
721	721
	970	+(((
	971	+
722	722
723		-* AT Command:
	973	+**Example:**
	974	+)))
724	724
725		-AT+CMDDLaa=hex(bb cc)
	976	+(((
	977	+(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
	978	+)))
726	726
727		-Example:
	980	+(((
	981	+
	982	+)))
728	728
729		-**AT+CMDDL1=1000** to send the open time to 1000ms
	984	+* (((
	985	+(% style="color:#037691" %)** Downlink Payload:**
	986	+)))
730	730
	988	+(((
	989	+(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
	990	+)))
731	731
732		-* Downlink Payload:
	992	+(((
	993	+
733	733
734		-0x AA aa bb cc
	995	+**Example:**
	996	+)))
735	735
736		-Same as: AT+CMDDLaa=hex(bb cc)
	998	+(((
	999	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	1000	+)))
737	737
738		- Example:
739	739
740		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
741	741
742	742
743		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1005	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
744	744
	1007	+
	1008	+(((
745	745	Define to use one uplink or multiple uplinks for the sampling.
	1010	+)))
746	746
747		-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"]]
748	748
749		-* AT Command:
	1015	+
	1016	+)))
750	750
751		-AT+DATAUP=0
	1018	+(((
	1019	+* (% style="color:#037691" %)** AT Command:**
752	752
753		-AT+DATAUP=1
754	754
	1022	+(% style="color:#4472c4" %)** AT+DATAUP=0**
755	755
756		-* Downlink Payload:
	1024	+(% style="color:#4472c4" %)** AT+DATAUP=1**
757	757
758		-0xAD 00   à Same as AT+DATAUP=0
	1026	+
	1027	+)))
759	759
760		-0xAD 01   à Same as AT+DATAUP=1
	1029	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
761	761
	1031	+Each uplink is sent to the server at 20-second intervals when segmented.
762	762
763		-==== Manually trigger an Uplink ====
764	764
	1034	+* (((
	1035	+(% style="color:#037691" %)** Downlink Payload:**
	1036	+)))
	1037	+
	1038	+(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
	1039	+
	1040	+(% 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.
	1041	+
	1042	+
	1043	+* (((
	1044	+(% style="color:#037691" %)** AT Command:**
	1045	+)))
	1046	+
	1047	+(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
	1048	+
	1049	+
	1050	+* (((
	1051	+(% style="color:#037691" %)** Downlink Payload:**
	1052	+)))
	1053	+
	1054	+(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	1055	+
	1056	+Each uplink is sent to the server at 20-second intervals when segmented.
	1057	+
	1058	+
	1059	+
	1060	+
	1061	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1062	+
	1063	+
	1064	+(((
765	765	Ask device to send an uplink immediately.
	1066	+)))
766	766
767		-* Downlink Payload:
	1068	+* (((
	1069	+(% style="color:#037691" %)** AT Command:**
	1070	+)))
768	768
769		-0x08 FF, RS485-BL will immediately send an uplink.
	1072	+(((
	1073	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1074	+)))
770	770
	1076	+(((
	1077	+
	1078	+)))
771	771
772		-==== Clear RS485 Command ====
	1080	+* (((
	1081	+(% style="color:#037691" %)** Downlink Payload:**
	1082	+)))
773	773
	1084	+(((
	1085	+(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
	1086	+)))
	1087	+
	1088	+
	1089	+
	1090	+
	1091	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1092	+
	1093	+
	1094	+(((
774	774	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
775	775
	1097	+
	1098	+)))
776	776
777		-* AT Command:
	1100	+* (((
	1101	+(% style="color:#037691" %)** AT Command:**
	1102	+)))
778	778
779		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1104	+(((
	1105	+(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
	1106	+)))
780	780
	1108	+(((
	1109	+
	1110	+
781	781	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1112	+)))
782	782
	1114	+(((
783	783	Example screen shot after clear all RS485 commands.
	1116	+)))
784	784
	1118	+(((
	1119	+
	1120	+)))
785	785
786		-
	1122	+(((
787	787	The uplink screen shot is:
	1124	+)))
788	788
789		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1126	+(% 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" %)​
790	790
791	791
792		-* Downlink Payload:
	1129	+* (((
	1130	+(% style="color:#037691" %)** Downlink Payload:**
	1131	+)))
793	793
794		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1133	+(((
	1134	+(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
	1135	+)))
795	795
796	796
797		-==== Set Serial Communication Parameters ====
798	798
	1139	+
	1140	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1141	+
	1142	+
	1143	+(((
799	799	Set the Rs485 serial communication parameters:
800	800
801		-* AT Command:
	1146	+
	1147	+)))
802	802
803		-Set Baud Rate:
	1149	+* (((
	1150	+(% style="color:#037691" %)** AT Command:**
804	804
805		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
806	806
	1153	+
	1154	+)))
807	807
808		-Set UART parity
	1156	+(((
	1157	+* Set Baud Rate
	1158	+)))
809	809
810		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1160	+(% 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
811	811
812	812
813		-Set STOPBIT
	1163	+(((
	1164	+* Set UART Parity
	1165	+)))
814	814
815		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1167	+(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
816	816
817	817
818		-* Downlink Payload:
	1170	+(((
	1171	+* Set STOPBIT
	1172	+)))
819	819
820		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1174	+(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
821	821
822		-Example:
823	823
824		-* A7 01 00 60   same as AT+BAUDR=9600
825		-* A7 01 04 80  same as AT+BAUDR=115200
826	826
827		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1178	+* (((
	1179	+(% style="color:#037691" %)** Downlink Payload:**
	1180	+)))
828	828
829		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1182	+(((
	1183	+(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
	1184	+)))
830	830
	1186	+(((
	1187	+
831	831
832		-==== Control output power duration ====
	1189	+**Example:**
	1190	+)))
833	833
834		-User can set the output power duration before each sampling.
	1192	+* (((
	1193	+A7 01 00 60  same as AT+BAUDR=9600
	1194	+)))
	1195	+* (((
	1196	+A7 01 04 80  same as AT+BAUDR=115200
	1197	+)))
835	835
836		-* AT Command:
	1199	+(((
	1200	+* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1201	+)))
837	837
838		-Example:
	1203	+(((
	1204	+* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1205	+)))
839	839
840		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
841	841
842		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
843	843
844	844
845		-* LoRaWAN Downlink Command:
846	846
847		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1211	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
848	848
849		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1213	+(((
	1214	+
	1215	+)))
850	850
	1217	+* (((
	1218	+(% style="color:#037691" %)** AT Command:**
	1219	+)))
851	851
	1221	+(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
852	852
	1223	+(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
853	853
854		-1.
855		-11. Buttons
856	856
857		-|**Button**|**Feature**
858		-|**RST**|Reboot RS485-BL
859	859
860		-1.
861		-11. +3V3 Output
862	862
863		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1228	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
864	864
865		-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.
866	866
	1231	+* (((
	1232	+(% style="color:#037691" %)** AT Command:**
	1233	+)))
867	867
868		-The +3V3 output time can be controlled by AT Command.
	1235	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
869	869
870		-**AT+3V3T=1000**
	1237	+(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
871	871
872		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
873	873
874	874
875		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
876	876
	1242	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
877	877
878		-1.
879		-11. +5V Output
880	880
881		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1245	+* (((
	1246	+(% style="color:#037691" %)** AT Command:**
	1247	+)))
882	882
883		-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.
	1249	+(% 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)
884	884
	1251	+(% 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.
885	885
886		-The 5V output time can be controlled by AT Command.
887	887
888		-**AT+5VT=1000**
889	889
890		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
891	891
	1256	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
892	892
893		-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.
894	894
	1259	+* (((
	1260	+(% style="color:#037691" %)** AT Command:**
	1261	+)))
895	895
	1263	+ (% 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)
896	896
	1265	+ (% 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.
897	897
898		-1.
899		-11. LEDs
900	900
901		-|**LEDs**|**Feature**
902		-|**LED1**|Blink when device transmit a packet.
	1268	+* (((
	1269	+(% style="color:#037691" %)** Downlink Payload:**
	1270	+)))
903	903
904		-1.
905		-11. Switch Jumper
	1272	+(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
906	906
907		-|**Switch Jumper**|**Feature**
908		-|**SW1**|(((
909		-ISP position: Upgrade firmware via UART
910	910
911		-Flash position: Configure device, check running status.
	1275	+
	1276	+
	1277	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1278	+
	1279	+
	1280	+* (((
	1281	+(% style="color:#037691" %)** AT Command:**
912	912	)))
913		-|**SW2**|(((
914		-5V position: set to compatible with 5v I/O.
915	915
916		-3.3v position: set to compatible with 3.3v I/O.,
	1284	+(% 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.
	1285	+
	1286	+
	1287	+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.
	1288	+
	1289	+
	1290	+[[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"]]
	1291	+
	1292	+
	1293	+
	1294	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1295	+
	1296	+
	1297	+[[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"]]
	1298	+
	1299	+
	1300	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1301	+
	1302	+
	1303	+
	1304	+
	1305	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1306	+
	1307	+
	1308	+(((
	1309	+* (% style="color:#037691" %)**Downlink Payload:**
	1310	+
	1311	+
	1312	+(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
917	917	)))
918	918
919		-+3.3V: is always ON
920	920
921		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1316	+Example：
922	922
923		-1. Case Study
924	924
925		-User can check this URL for some case studies.
	1319	+[[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"]]
926	926
927		-[[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]]
928	928
929	929
930	930
	1324	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
931	931
932		-1. Use AT Command
933		-11. Access AT Command
934	934
935		-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.
	1327	+* (((
	1328	+(% style="color:#037691" %)** AT Command:**
	1329	+)))
936	936
937		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1331	+(% 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.
938	938
	1333	+(% 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.
939	939
940		-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:
	1335	+(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/ Disable this mode (default)
941	941
942		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
943	943
	1338	+* (((
	1339	+(% style="color:#037691" %)**Downlink Payload:**
	1340	+)))
944	944
	1342	+(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
945	945
946		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1344	+[[image:image-20220824144240-1.png]]
947	947
948	948
949	949
950		-1.
951		-11. Common AT Command Sequence
952		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1348	+== 3.6 Listening mode for RS485 network ==
953	953
954		-If device has not joined network yet:
955	955
956		-AT+FDR
	1351	+(((
	1352	+This feature support since firmware v1.4
	1353	+)))
957	957
958		-AT+NJM=0
	1355	+(((
	1356	+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.
959	959
960		-ATZ
	1358	+
	1359	+)))
961	961
	1361	+(% 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" %)​
962	962
963		-If device already joined network:
	1363	+(((
	1364	+To enable the listening mode, use can run the command AT+RXMODE.
	1365	+)))
964	964
965		-AT+NJM=0
	1367	+(((
	1368	+
	1369	+)))
966	966
967		-ATZ
	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	+)))
968	968
969		-1.
970		-11.
971		-111. Single-channel ABP mode (Use with LG01/LG02)
	1398	+(((
	1399	+(% style="color:#037691" %)** Downlink Command:**
	1400	+)))
972	972
973		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1402	+(((
	1403	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1404	+)))
974	974
975		-AT+NJM=0 Set to ABP mode
	1406	+(((
	1407	+
	1408	+)))
976	976
977		-AT+ADR=0 Set the Adaptive Data Rate Off
	1410	+(((
	1411	+**Example**:
	1412	+)))
978	978
979		-AT+DR=5  Set Data Rate
	1414	+(((
	1415	+The RS485-LN is set to AT+RXMODE=2,1000
	1416	+)))
980	980
981		-AT+TDC=60000  Set transmit interval to 60 seconds
	1418	+(((
	1419	+There is a two Modbus commands in the RS485 network as below:
	1420	+)))
982	982
983		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1422	+(((
	1423	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1424	+)))
984	984
985		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1426	+(((
	1427	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1428	+)))
986	986
987		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1430	+(((
	1431	+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
	1432	+)))
988	988
989		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1434	+(((
	1435	+(% 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" %)​
	1436	+)))
990	990
991		-ATZ          Reset MCU
	1438	+(((
	1439	+
	1440	+)))
992	992
993		-**Note:**
	1442	+(((
	1443	+(((
	1444	+(% 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.**
	1445	+)))
	1446	+)))
994	994
995		-1. Make sure the device is set to ABP mode in the IoT Server.
996		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
997		-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.
998		-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
999	999
1000		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1001	1001
	1450	+== 3.7 Buttons ==
1002	1002
1003		-1. FAQ
1004		-11. How to upgrade the image?
1005	1005
1006		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1453	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1454	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1455	+|(% 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**
	1456	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1457	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1007	1007
1008		-* Support new features
1009		-* For bug fix
1010		-* Change LoRaWAN bands.
	1459	+== 3.8 LEDs ==
1011	1011
1012		-Below shows the hardware connection for how to upload an image to RS485-BL:
1013	1013
1014		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1462	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1463	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1464	+|**PWR**|Always on if there is power
	1465	+|**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.
1015	1015
1016		-**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]].
	1467	+= 4. Case Study =
1017	1017
1018		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1019	1019
1020		-**Step3: **Open flashloader; choose the correct COM port to update.
	1470	+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]]
1021	1021
1022	1022
1023		-|(((
1024		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1473	+
	1474	+= 5. Use AT Command =
	1475	+
	1476	+
	1477	+== 5.1 Access AT Command ==
	1478	+
	1479	+
	1480	+(((
	1481	+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.
1025	1025	)))
1026	1026
1027		-|(((
1028		-Board detected
	1484	+(% 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" %)​
	1485	+
	1486	+
	1487	+(((
	1488	+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:
1029	1029	)))
1030	1030
1031		-|(((
	1491	+(% 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" %)​
	1492	+
	1493	+
	1494	+(((
	1495	+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/]]
	1496	+)))
	1497	+
	1498	+
	1499	+
	1500	+== 5.2 Common AT Command Sequence ==
	1501	+
	1502	+
	1503	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1504	+
	1505	+
	1506	+If device has not joined network yet:
	1507	+
	1508	+* (% style="color:#037691" %)**AT+FDR**
	1509	+* (% style="color:#037691" %)**AT+NJM=0**
	1510	+* (% style="color:#037691" %)**ATZ**
	1511	+
	1512	+(((
1032	1032
	1514	+
	1515	+If device already joined network:
	1516	+
	1517	+* (% style="color:#037691" %)**AT+NJM=0**
	1518	+* (% style="color:#037691" %)**ATZ**
	1519	+
	1520	+
1033	1033	)))
1034	1034
1035		-[[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]]
1036	1036
1037	1037
	1525	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1038	1038
1039		-[[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]]
1040	1040
	1528	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1041	1041
1042		-[[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]]
	1530	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1043	1043
	1532	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1044	1044
1045		-1.
1046		-11. How to change the LoRa Frequency Bands/Region?
	1534	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1047	1047
1048		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1536	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1049	1049
	1538	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1050	1050
	1540	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1051	1051
1052		-1.
1053		-11. How many RS485-Slave can RS485-BL connects?
	1542	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1054	1054
1055		-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]].
	1544	+(% 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.
1056	1056
	1546	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1057	1057
1058	1058
	1549	+(% style="color:red" %)**Note:**
1059	1059
1060		-1. Trouble Shooting
1061		-11. Downlink doesn’t work, how to solve it?
	1551	+(((
	1552	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1553	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1554	+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.
	1555	+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
1062	1062
1063		-Please see this link for debug:
	1557	+
	1558	+)))
1064	1064
1065		-[[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]]
	1560	+(% 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" %)​
1066	1066
1067	1067
1068	1068
1069		-1.
1070		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1564	+= 6. FAQ =
1071	1071
1072		-It might about the channels mapping. Please see for detail.
1073	1073
1074		-[[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]]
	1567	+== 6.1 How to upgrade the image? ==
1075	1075
1076	1076
	1570	+(((
	1571	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1572	+)))
1077	1077
1078		-1. Order Info
	1574	+* (((
	1575	+Support new features
	1576	+)))
	1577	+* (((
	1578	+For bug fix
	1579	+)))
	1580	+* (((
	1581	+Change LoRaWAN bands.
	1582	+)))
1079	1079
1080		-**Part Number: RS485-BL-XXX**
	1584	+(((
	1585	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1586	+)))
1081	1081
1082		-**XXX:**
	1588	+(% 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"]]
1083	1083
1084		-* **EU433**: frequency bands EU433
1085		-* **EU868**: frequency bands EU868
1086		-* **KR920**: frequency bands KR920
1087		-* **CN470**: frequency bands CN470
1088		-* **AS923**: frequency bands AS923
1089		-* **AU915**: frequency bands AU915
1090		-* **US915**: frequency bands US915
1091		-* **IN865**: frequency bands IN865
1092		-* **RU864**: frequency bands RU864
1093		-* **KZ865: **frequency bands KZ865
	1590	+(% title="Click and drag to resize" %)​
1094	1094
1095		-1. Packing Info
	1592	+(((
	1593	+(% 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]].
	1594	+)))
1096	1096
	1596	+(((
	1597	+(% 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]].
	1598	+)))
	1599	+
	1600	+(((
	1601	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1602	+)))
	1603	+
	1604	+(((
	1605	+(((
	1606	+(((
	1607	+(% 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.
	1608	+)))
	1609	+)))
	1610	+)))
	1611	+
	1612	+
	1613	+(% 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" %)​
	1614	+
	1615	+
	1616	+(% 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" %)​
	1617	+
	1618	+
	1619	+(% 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" %)​
	1620	+
	1621	+
	1622	+(% 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:**
	1623	+
	1624	+(% 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" %)​
	1625	+
	1626	+
	1627	+
	1628	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
	1629	+
	1630	+
	1631	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1632	+
	1633	+
	1634	+
	1635	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
	1636	+
	1637	+
	1638	+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"]].
	1639	+
	1640	+
	1641	+
	1642	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
	1643	+
	1644	+
	1645	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
	1646	+
	1647	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
	1648	+
	1649	+
	1650	+
	1651	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1652	+
	1653	+
	1654	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1655	+
	1656	+
	1657	+
	1658	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1659	+
	1660	+
	1661	+[[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/]]
	1662	+
	1663	+
	1664	+
	1665	+= 7. Trouble Shooting =
	1666	+
	1667	+
	1668	+== 7.1 Downlink doesn't work, how to solve it? ==
	1669	+
	1670	+
	1671	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1672	+
	1673	+
	1674	+
	1675	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1676	+
	1677	+
	1678	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1679	+
	1680	+
	1681	+
	1682	+= 8. Order Info =
	1683	+
	1684	+
	1685	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1686	+
	1687	+(% style="color:blue" %)**XXX:**
	1688	+
	1689	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1690	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1691	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1692	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1693	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1694	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1695	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1696	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1697	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1698	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1699	+
	1700	+= 9.Packing Info =
	1701	+
	1702	+
1097	1097	**Package Includes**:
1098	1098
1099		-* RS485-BL x 1
	1705	+* RS485-LN x 1
1100	1100	* Stick Antenna for LoRa RF part x 1
1101	1101	* Program cable x 1
1102	1102
...	...	@@ -1107,9 +1107,68 @@
1107	1107	* Package Size / pcs : 14.5 x 8 x 5 cm
1108	1108	* Weight / pcs : 170g
1109	1109
1110		-1. Support
	1716	+= 10. FCC Caution for RS485LN-US915 =
1111	1111
1112		-* 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.
1113		-* 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
1114	1114
1115		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1719	+(((
	1720	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1721	+)))
	1722	+
	1723	+(((
	1724	+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.
	1725	+)))
	1726	+
	1727	+(((
	1728	+
	1729	+)))
	1730	+
	1731	+(((
	1732	+(% style="color:red" %)**IMPORTANT NOTE:**
	1733	+)))
	1734	+
	1735	+(((
	1736	+(% 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:
	1737	+)))
	1738	+
	1739	+(((
	1740	+—Reorient or relocate the receiving antenna.
	1741	+)))
	1742	+
	1743	+(((
	1744	+—Increase the separation between the equipment and receiver.
	1745	+)))
	1746	+
	1747	+(((
	1748	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1749	+)))
	1750	+
	1751	+(((
	1752	+—Consult the dealer or an experienced radio/TV technician for help.
	1753	+)))
	1754	+
	1755	+(((
	1756	+
	1757	+)))
	1758	+
	1759	+(((
	1760	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1761	+)))
	1762	+
	1763	+(((
	1764	+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.
	1765	+)))
	1766	+
	1767	+
	1768	+
	1769	+= 11. Support =
	1770	+
	1771	+
	1772	+* (((
	1773	+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.
	1774	+)))
	1775	+* (((
	1776	+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]].
	1777	+
	1778	+
	1779	+
	1780	+)))

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