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

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Details

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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" %)
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
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9	9	**Table of Contents:**
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	22	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
20	20	(((
21		-The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
	42	+(((
	43	+
	44	+
	45	+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.
22	22	)))
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23	23
24	24	(((
25		-RS485-LN allows user to 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.
	50	+(((
	51	+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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27	27
28	28	(((
29		-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.
	56	+(((
	57	+(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30	30	)))
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31	31
32	32	(((
33		-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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	63	+(% 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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	67	+(% 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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35	35	)))
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36	36
37		-[[image:1653267211009-519.png||height="419" width="724"]]
	74	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" 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" %)​
38	38
	76	+
39	39	== 1.2 Specifications ==
40	40
	79	+
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
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44	44	* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46	46	** Idle: 32mA@12v
47		-
48		-*
49	49	** 20dB Transmit: 65mA@12v
50	50
51	51	**Interface for Model:**
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72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74	74	* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	112	+* Packet engine up to 256 bytes with CRC
76	76
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	116	+
77	77	== 1.3 Features ==
78	78
	119	+
79	79	* LoRaWAN Class A & Class C protocol (default Class C)
80	80	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
81	81	* AT Commands to change parameters
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85	85	* Support Modbus protocol
86	86	* Support Interrupt uplink (Since hardware version v1.2)
87	87
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	131	+
88	88	== 1.4 Applications ==
89	89
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90	90	* Smart Buildings & Home Automation
91	91	* Logistics and Supply Chain Management
92	92	* Smart Metering
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94	94	* Smart Cities
95	95	* Smart Factory
96	96
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97	97	== 1.5 Firmware Change log ==
98	98
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99	99	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
100	100
	150	+
	151	+
101	101	== 1.6 Hardware Change log ==
102	102
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103	103	(((
104	104	(((
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105	105	v1.2: Add External Interrupt Pin.
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106	106
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107	107	v1.0: Release
108	108	)))
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109	109	)))
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110	110
111	111	= 2. Power ON Device =
112	112
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113	113	(((
114	114	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
115	115
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120	120	Once there is power, the RS485-LN will be on.
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
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124	124	)))
125	125
126	126	= 3. Operation Mode =
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127	127
128	128	== 3.1 How it works? ==
129	129
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130	130	(((
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131	131	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.
132	132	)))
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134	134	== 3.2 Example to join LoRaWAN network ==
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136	136	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.
137	137
138		-[[image:1653268155545-638.png||height="334" width="724"]]
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140	140	(((
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141	141	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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143	143	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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144	144
145		-[[image:1653268227651-549.png||height="592" width="720"]]
	220	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
146	146
	222	+
147	147	(((
148		-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:
149	149	)))
150	150
151	151	(((
152		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	228	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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160		-[[image:1652953462722-299.png]]
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162	162	(((
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164	164	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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168		-Add APP EUI in the application.
	245	+**Add APP EUI in the application.**
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170	170	)))
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172		-[[image:image-20220519174512-1.png]]
	249	+(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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174		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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176		-[[image:image-20220519174512-3.png||height="556" width="724"]]
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177	177
178		-[[image:image-20220519174512-4.png]]
	255	+(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
179	179
180	180	You can also choose to create the device manually.
181	181
182		-[[image:1652953542269-423.png||height="710" width="723"]]
	259	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
183	183
184		-Add APP KEY and DEV EUI
185	185
186		-[[image:1652953553383-907.png||height="514" width="724"]]
187	187
	263	+**Add APP KEY and DEV EUI**
188	188
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	266	+
	267	+
189	189	(((
190		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	269	+(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
191	191	)))
192	192
193		-[[image:1652953568895-172.png||height="232" width="724"]]
	272	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
194	194
	274	+
	275	+
195	195	== 3.3 Configure Commands to read data ==
196	196
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197	197	(((
198	198	(((
199		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	281	+(((
	282	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200	200	)))
	284	+)))
201	201
202	202	(((
203		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	287	+(((
	288	+(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
204	204	)))
	290	+
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205	205	)))
	294	+)))
206	206
207		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	296	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
208	208
	298	+
209	209	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:
210	210
211		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212		-|(((
	301	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	302	+|=(% style="width: 110px;" %)(((
213	213	**AT Commands**
214		-)))|(% style="width:285px" %)(((
	304	+)))|=(% style="width: 190px;" %)(((
215	215	**Description**
216		-)))|(% style="width:347px" %)(((
	306	+)))|=(% style="width: 190px;" %)(((
217	217	**Example**
218	218	)))
219		-|(((
	309	+|(% style="width:110px" %)(((
220	220	AT+BAUDR
221		-)))|(% style="width:285px" %)(((
	311	+)))|(% style="width:190px" %)(((
222	222	Set the baud rate (for RS485 connection). Default Value is: 9600.
223		-)))|(% style="width:347px" %)(((
	313	+)))|(% style="width:190px" %)(((
224	224	(((
225	225	AT+BAUDR=9600
226	226	)))
...	...	@@ -229,11 +229,11 @@
229	229	Options: (1200,2400,4800,14400,19200,115200)
230	230	)))
231	231	)))
232		-|(((
	322	+|(% style="width:110px" %)(((
233	233	AT+PARITY
234		-)))|(% style="width:285px" %)(((
	324	+)))|(% style="width:190px" %)(((
235	235	Set UART parity (for RS485 connection)
236		-)))|(% style="width:347px" %)(((
	326	+)))|(% style="width:190px" %)(((
237	237	(((
238	238	AT+PARITY=0
239	239	)))
...	...	@@ -242,9 +242,9 @@
242	242	Option: 0: no parity, 1: odd parity, 2: even parity
243	243	)))
244	244	)))
245		-|(((
	335	+|(% style="width:110px" %)(((
246	246	AT+STOPBIT
247		-)))|(% style="width:285px" %)(((
	337	+)))|(% style="width:190px" %)(((
248	248	(((
249	249	Set serial stopbit (for RS485 connection)
250	250	)))
...	...	@@ -252,7 +252,7 @@
252	252	(((
253	253
254	254	)))
255		-)))|(% style="width:347px" %)(((
	345	+)))|(% style="width:190px" %)(((
256	256	(((
257	257	AT+STOPBIT=0 for 1bit
258	258	)))
...	...	@@ -266,8 +266,11 @@
266	266	)))
267	267	)))
268	268
	359	+
	360	+
269	269	=== 3.3.2 Configure sensors ===
270	270
	363	+
271	271	(((
272	272	(((
273	273	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.
...	...	@@ -274,92 +274,57 @@
274	274	)))
275	275	)))
276	276
277		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279		-|AT+CFGDEV|(% style="width:418px" %)(((
280		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
281		-
282		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
283		-
284		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286		-
287		-=== 3.3.3 Configure read commands for each sampling ===
288		-
	370	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	371	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	372	+|AT+CFGDEV|(% style="width:110px" %)(((
289	289	(((
290		-RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
	374	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
291	291	)))
292	292
293	293	(((
294		-During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
	378	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
295	295	)))
296	296
297	297	(((
298		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	382	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
299	299	)))
	384	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
300	300
301		-(((
302		-This section describes how to achieve above goals.
303		-)))
304	304
305		-(((
306		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
307		-)))
308	308
309		-(((
310		-**Command from RS485-BL to Sensor:**
311		-)))
	388	+=== 3.3.3 Configure read commands for each sampling ===
312	312
313		-(((
314		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
315		-)))
316	316
317	317	(((
318		-**Handle return from sensors to RS485-BL**:
319		-)))
	392	+During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
320	320
321		-(((
322		-After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
323		-)))
	394	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
324	324
325		-* (((
326		-**AT+DATACUT**
327		-)))
	396	+This section describes how to achieve above goals.
328	328
329		-(((
330		-When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
331		-)))
	398	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
332	332
333		-* (((
334		-**AT+SEARCH**
335		-)))
336	336
337		-(((
338		-When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
339		-)))
	401	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
340	340
341		-(((
342		-**Define wait timeout:**
343		-)))
	403	+~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
344	344
345		-(((
346		-Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
347		-)))
	405	+2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
348	348
349		-(((
350		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351		-)))
	407	+3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
352	352
353		-**Examples:**
354	354
	410	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	411	+
355	355	Below are examples for the how above AT Commands works.
356	356
357		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
358	358
359		-(% border="1" class="table-bordered" %)
360		-|(((
361		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	415	+(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
362	362
	417	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	418	+|(% style="width:496px" %)(((
	419	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	420	+
363	363	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
364	364
365	365	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
...	...	@@ -367,804 +367,1057 @@
367	367
368	368	For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
369	369
370		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	428	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
371	371
372		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
373	373
374		-(% border="1" class="table-bordered" %)
375		-|(((
376		-**AT+SEARCHx=aa,xx xx xx xx xx**
	431	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
377	377
378		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
379		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
	433	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	434	+|(% style="width:510px" %)(((
	435	+**AT+DATACUTx=a,b,c**
380	380
381		-
	437	+* **a: length for the return of AT+COMMAND**
	438	+* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
	439	+* **c: define the position for valid value.  **
382	382	)))
383	383
384		-Examples:
	442	+**Examples:**
385	385
386		-1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	444	+* (% style="color:#037691" %)**Grab bytes**
387	387
388		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
	446	+(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
389	389
390		-The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
391	391
392		-[[image:1652954654347-831.png]]
	449	+* (% style="color:#037691" %)**Grab a section**
393	393
	451	+(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
394	394
395		-1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396	396
397		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
	454	+* (% style="color:#037691" %)**Grab different sections**
398	398
399		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
	456	+(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
400	400
401		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
402	402
	459	+
	460	+)))
403	403
404		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	462	+=== 3.3.4 Compose the uplink payload ===
405	405
406		-|(((
407		-**AT+DATACUTx=a,b,c**
408	408
409		-* **a: length for the return of AT+COMMAND**
410		-* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
411		-* **c: define the position for valid value.  **
	465	+(((
	466	+Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
	467	+
	468	+
412	412	)))
413	413
414		-Examples:
	471	+(((
	472	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
415	415
416		-* Grab bytes:
	474	+
	475	+)))
417	417
418		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	477	+(((
	478	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	479	+)))
419	419
420		-* Grab a section.
	481	+(((
	482	+Final Payload is
	483	+)))
421	421
422		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	485	+(((
	486	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	487	+)))
423	423
424		-* Grab different sections.
	489	+(((
	490	+Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	491	+)))
425	425
426		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
	493	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
427	427
428	428
429		-Note:
	496	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
430	430
431		-AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
432	432
433		-Example:
	499	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
434	434
435		-AT+COMMAND1=11 01 1E D0,0
	501	+Final Payload is
436	436
437		-AT+SEARCH1=1,1E 56 34
	503	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
438	438
439		-AT+DATACUT1=0,2,1~~5
440	440
441		-Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	506	+1. PAYVER: Defined by AT+PAYVER
	507	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	508	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	509	+1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
442	442
443		-String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
	511	+(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
444	444
445		-Valid payload after DataCUT command: 2e 30 58 5f 36
446	446
447		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
	514	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
448	448
	516	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
449	449
	518	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
450	450
	520	+DATA3=the rest of Valid value of RETURN10= **30**
451	451
452		-1.
453		-11.
454		-111. Compose the uplink payload
455	455
456		-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.**
	523	+(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
457	457
	525	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
458	458
459		-**Examples: AT+DATAUP=0**
	527	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
460	460
461		-Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
	529	+ * For US915 band, max 11 bytes for each uplink.
462	462
463		-Final Payload is
	531	+ ~* For all other bands: max 51 bytes for each uplink.
464	464
465		-Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
466	466
467		-Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	534	+Below are the uplink payloads:
468	468
469		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	536	+(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
470	470
471	471
472	472
473		-**Examples: AT+DATAUP=1**
	540	+=== 3.3.5 Uplink on demand ===
474	474
475		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
476	476
477		-Final Payload is
	543	+Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
478	478
479		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	545	+Downlink control command:
480	480
481		-1. Battery Info (2 bytes): Battery voltage
482		-1. PAYVER (1 byte): Defined by AT+PAYVER
483		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
484		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
485		-1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
	547	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
486	486
487		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	549	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
488	488
489	489
490		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
491	491
492		-DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
	553	+=== 3.3.6 Uplink on Interrupt ===
493	493
494		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
495	495
496		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	556	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
497	497
	558	+(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
498	498
	560	+Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
499	499
500		-Below are the uplink payloads:
501	501
502		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
503	503
	564	+== 3.4 Uplink Payload ==
504	504
505		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
506	506
507		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	567	+(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
508	508
509		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	569	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
510	510
511		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
512	512
513		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
514	514
	573	+== 3.5 Configure RS485-LN via AT or Downlink ==
515	515
516	516
517		-1.
518		-11.
519		-111. Uplink on demand
	576	+(((
	577	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	578	+)))
520	520
521		-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.
	580	+(((
	581	+There are two kinds of Commands:
	582	+)))
522	522
523		-Downlink control command:
	584	+* (((
	585	+(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	586	+)))
524	524
525		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	588	+* (((
	589	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	590	+)))
526	526
527		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	592	+(((
	593	+
	594	+)))
528	528
529	529
530	530
531		-1.
532		-11.
533		-111. Uplink on Interrupt
	598	+=== 3.5.1 Common Commands ===
534	534
535		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
536	536
537		-AT+INTMOD=0  Disable Interrupt
	601	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
538	538
539		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
540	540
541		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
542	542
543		-AT+INTMOD=3  Interrupt trigger by rising edge.
	605	+=== 3.5.2 Sensor related commands ===
544	544
545	545
546		-1.
547		-11. Uplink Payload
	608	+Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
548	548
549		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
550		-|Value|(((
551		-Battery(mV)
	610	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)​
552	552
553		-&
	612	+The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
554	554
555		-Interrupt _Flag
556		-)))|(((
557		-PAYLOAD_VER
558	558
559		-
560		-)))|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.
561	561
562		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	616	+=== 3.5.3 Sensor related commands ===
563	563
564	564
565		-function Decoder(bytes, port) {
566	566
567		-~/~/Payload Formats of RS485-BL Deceive
568	568
569		-return {
	621	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
570	570
571		- ~/~/Battery,units:V
	623	+(((
	624	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	625	+)))
572	572
573		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	627	+* (((
	628	+(% style="color:#037691" %)**AT Command**
574	574
575		- ~/~/GPIO_EXTI
	630	+(((
	631	+**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	632	+)))
	633	+)))
576	576
577		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	635	+(((
	636	+
	637	+)))
578	578
579		- ~/~/payload of version
	639	+* (((
	640	+(% style="color:#037691" %)**Downlink Payload**
	641	+)))
580	580
581		- Pay_ver:bytes[2],
	643	+(((
	644	+Format: A8 MM NN XX XX XX XX YY
	645	+)))
582	582
583		- };
	647	+(((
	648	+Where:
	649	+)))
584	584
585		- }
	651	+* (((
	652	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	653	+)))
	654	+* (((
	655	+NN: The length of RS485 command
	656	+)))
	657	+* (((
	658	+XX XX XX XX: RS485 command total NN bytes
	659	+)))
	660	+* (((
	661	+(((
	662	+YY: How many bytes will be uplink from the return of this RS485 command,
	663	+)))
586	586
	665	+* (((
	666	+if YY=0, RS485-LN will execute the downlink command without uplink;
	667	+)))
	668	+* (((
	669	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	670	+)))
	671	+* (((
	672	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	673	+)))
	674	+)))
587	587
	676	+(((
	677	+
588	588
	679	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	680	+)))
589	589
	682	+(((
	683	+To connect a Modbus Alarm with below commands.
	684	+)))
590	590
	686	+* (((
	687	+The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	688	+)))
591	591
	690	+* (((
	691	+The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	692	+)))
592	592
593		-TTN V3 uplink screen shot.
	694	+(((
	695	+
594	594
595		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	697	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	698	+)))
596	596
597		-1.
598		-11. Configure RS485-BL via AT or Downlink
	700	+(((
	701	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	702	+)))
599	599
600		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	704	+(((
	705	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	706	+)))
601	601
602		-There are two kinds of Commands:
	708	+(((
	709	+A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
	710	+)))
603	603
604		-* **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
	712	+(((
	713	+
	714	+)))
605	605
606		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	716	+(((
	717	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	718	+)))
607	607
608		-1.
609		-11.
610		-111. Common Commands:
	720	+(((
	721	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	722	+)))
611	611
612		-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]]
	724	+(((
	725	+
	726	+)))
613	613
	728	+(((
	729	+(((
	730	+RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	731	+)))
614	614
615		-1.
616		-11.
617		-111. Sensor related commands:
	733	+
	734	+)))
618	618
619		-==== Choose Device Type (RS485 or TTL) ====
	736	+(((
	737	+ (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	738	+)))
620	620
621		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
622	622
623		-* AT Command
624	624
625		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
626	626
627		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	743	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
628	628
	745	+(((
	746	+This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
	747	+)))
629	629
630		-* Downlink Payload
	749	+* (((
	750	+(% style="color:#037691" %)**AT Command:**
631	631
632		-**0A aa**     à same as AT+MOD=aa
	752	+**AT+PAYVER:    **Set PAYVER field = 1
633	633
	754	+
	755	+)))
	756	+* (((
	757	+(% style="color:#037691" %)**Downlink Payload:**
	758	+)))
634	634
	760	+(((
	761	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	762	+)))
635	635
636		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	764	+(((
	765	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	766	+)))
637	637
638		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
639	639
640		-* AT Command
641	641
642		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
643	643
644		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	771	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
645	645
	773	+(((
	774	+AT+COMMANDx or AT+DATACUTx
	775	+)))
646	646
	777	+(((
	778	+These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	779	+)))
647	647
648		-* Downlink Payload
	781	+(((
	782	+
	783	+)))
649	649
650		-Format: A8 MM NN XX XX XX XX YY
	785	+* (((
	786	+(% style="color:#037691" %)**AT Command:**
	787	+)))
651	651
652		-Where:
	789	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
653	653
654		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
655		-* NN: The length of RS485 command
656		-* XX XX XX XX: RS485 command total NN bytes
657		-* 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
	791	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
658	658
659		-**Example 1:**
660	660
661		-To connect a Modbus Alarm with below commands.
	794	+* (((
	795	+(% style="color:#037691" %)**Downlink Payload:**
	796	+)))
662	662
663		-* 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.
	798	+(((
	799	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	800	+)))
664	664
665		-* 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.
	802	+(((
	803	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	804	+)))
666	666
667		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	806	+(((
	807	+Format: AF MM NN LL XX XX XX XX YY
	808	+)))
668	668
669		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	810	+(((
	811	+Where:
	812	+)))
670	670
671		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	814	+* (((
	815	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	816	+)))
	817	+* (((
	818	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	819	+)))
	820	+* (((
	821	+LL:  The length of AT+COMMAND or AT+DATACUT command
	822	+)))
	823	+* (((
	824	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	825	+)))
	826	+* (((
	827	+YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	828	+)))
672	672
673		-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.
	830	+(((
	831	+
674	674
	833	+**Example:**
	834	+)))
675	675
676		-**Example 2:**
	836	+(((
	837	+(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
	838	+)))
677	677
678		-Check TTL Sensor return:
	840	+(((
	841	+(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
	842	+)))
679	679
680		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	844	+(((
	845	+(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
	846	+)))
681	681
682	682
683	683
684	684
685		-==== Set Payload version ====
	851	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
686	686
687		-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.
	853	+(((
	854	+**AT+MBFUN** is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	855	+)))
688	688
689		-* AT Command:
	857	+(((
	858	+This command is valid since v1.3 firmware version
	859	+)))
690	690
691		-AT+PAYVER: Set PAYVER field = 1
	861	+(((
	862	+AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	863	+)))
692	692
	865	+(((
	866	+
	867	+)))
693	693
694		-* Downlink Payload:
	869	+(((
	870	+**Example:**
	871	+)))
695	695
696		-0xAE 01   à Set PAYVER field =  0x01
	873	+* (((
	874	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	875	+)))
	876	+* (((
	877	+AT+COMMAND1= 01 03 00 10 00 08,1  ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
	878	+)))
	879	+* (((
	880	+AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
697	697
698		-0xAE 0F   à Set PAYVER field =  0x0F
	882	+
	883	+)))
699	699
	885	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
700	700
701		-==== Set RS485 Sampling Commands ====
	887	+(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
702	702
703		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
704	704
705		-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]].
706	706
707	707
708		-* AT Command:
	892	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
709	709
710		-AT+COMMANDx: Configure RS485 read command to sensor.
	894	+(((
	895	+Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
	896	+)))
711	711
712		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	898	+(((
	899	+Default value: 0, range:  0 ~~ 65 seconds
	900	+)))
713	713
714		-AT+SEARCHx: Configure search command
	902	+* (((
	903	+(% style="color:#037691" %)** AT Command:**
715	715
	905	+**AT+CMDDLaa=hex(bb cc)*1000**
	906	+)))
716	716
717		-* Downlink Payload:
	908	+(((
	909	+
718	718
719		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	911	+**Example:**
	912	+)))
720	720
721		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	914	+(((
	915	+**AT+CMDDL1=1000** to send the open time to 1000ms
	916	+)))
722	722
723		-Format: AF MM NN LL XX XX XX XX YY
	918	+(((
	919	+
	920	+)))
724	724
725		-Where:
	922	+* (((
	923	+(% style="color:#037691" %)** Downlink Payload:**
	924	+)))
726	726
727		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
728		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
729		-* LL: The length of AT+COMMAND or AT+DATACUT command
730		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
731		-* 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.
	926	+(((
	927	+**0x AA aa bb cc**
	928	+)))
732	732
733		-Example:
	930	+(((
	931	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	932	+)))
734	734
735		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	934	+(((
	935	+**Example:**
	936	+)))
736	736
737		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	938	+(((
	939	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	940	+)))
738	738
739		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
740	740
741	741
742		-0xAB downlink command can be used for set AT+SEARCHx
743	743
744		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	945	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
745	745
746		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
747		-* 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
	947	+(((
	948	+Define to use one uplink or multiple uplinks for the sampling.
	949	+)))
748	748
749		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	951	+(((
	952	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
750	750
	954	+
	955	+)))
751	751
752		-==== Fast command to handle MODBUS device ====
	957	+* (((
	958	+(% style="color:#037691" %)** AT Command:**
	959	+)))
753	753
754		-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]].
	961	+**AT+DATAUP=0**
755	755
756		-This command is valid since v1.3 firmware version
	963	+**AT+DATAUP=1**
757	757
758	758
759		-AT+MBFUN has only two value:
	966	+* (((
	967	+(% style="color:#037691" %)** Downlink Payload:**
	968	+)))
760	760
761		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	970	+(((
	971	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	972	+)))
762	762
763		-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.
	974	+(((
	975	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	976	+)))
764	764
765		-* AT+MBFUN=0: Disable Modbus fast reading.
766	766
767		-Example:
768	768
769		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
770		-* 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.
771		-* 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.
772	772
773		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	981	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
774	774
	983	+(((
	984	+Ask device to send an uplink immediately.
	985	+)))
775	775
776		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	987	+* (((
	988	+(% style="color:#037691" %)** AT Command:**
	989	+)))
777	777
	991	+(((
	992	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	993	+)))
778	778
779		-* Downlink Commands:
	995	+(((
	996	+
	997	+)))
780	780
781		-A9 aa -à Same as AT+MBFUN=aa
	999	+* (((
	1000	+(% style="color:#037691" %)** Downlink Payload:**
	1001	+)))
782	782
	1003	+(((
	1004	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1005	+)))
783	783
784		-==== RS485 command timeout ====
785	785
786		-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.
787	787
788		-Default value: 0, range:  0 ~~ 5 seconds
789	789
	1010	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
790	790
791		-* AT Command:
	1012	+(((
	1013	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
792	792
793		-AT+CMDDLaa=hex(bb cc)
	1015	+
	1016	+)))
794	794
795		-Example:
	1018	+* (((
	1019	+(% style="color:#037691" %)** AT Command:**
	1020	+)))
796	796
797		-**AT+CMDDL1=1000** to send the open time to 1000ms
	1022	+(((
	1023	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1024	+)))
798	798
	1026	+(((
	1027	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1028	+)))
799	799
800		-* Downlink Payload:
	1030	+(((
	1031	+Example screen shot after clear all RS485 commands.
	1032	+)))
801	801
802		-0x AA aa bb cc
	1034	+(((
	1035	+
	1036	+)))
803	803
804		-Same as: AT+CMDDLaa=hex(bb cc)
	1038	+(((
	1039	+The uplink screen shot is:
	1040	+)))
805	805
806		- Example:
	1042	+(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
807	807
808		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
809	809
	1045	+* (((
	1046	+(% style="color:#037691" %)** Downlink Payload:**
	1047	+)))
810	810
811		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	1049	+(((
	1050	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1051	+)))
812	812
813		-Define to use one uplink or multiple uplinks for the sampling.
814	814
815		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
816	816
817		-* AT Command:
818	818
819		-AT+DATAUP=0
	1056	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
820	820
821		-AT+DATAUP=1
	1058	+(((
	1059	+Set the Rs485 serial communication parameters:
	1060	+)))
822	822
	1062	+* (((
	1063	+(% style="color:#037691" %)** AT Command:**
	1064	+)))
823	823
824		-* Downlink Payload:
	1066	+(((
	1067	+
825	825
826		-0xAD 00   à Same as AT+DATAUP=0
	1069	+* Set Baud Rate
	1070	+)))
827	827
828		-0xAD 01   à Same as AT+DATAUP=1
	1072	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
829	829
830	830
831		-==== Manually trigger an Uplink ====
	1075	+(((
	1076	+* Set UART Parity
	1077	+)))
832	832
833		-Ask device to send an uplink immediately.
	1079	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
834	834
835		-* Downlink Payload:
836	836
837		-0x08 FF, RS485-BL will immediately send an uplink.
	1082	+(((
	1083	+* Set STOPBIT
	1084	+)))
838	838
	1086	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
839	839
840		-==== Clear RS485 Command ====
841	841
842		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
843	843
	1090	+* (((
	1091	+(% style="color:#037691" %)** Downlink Payload:**
	1092	+)))
844	844
845		-* AT Command:
	1094	+(((
	1095	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1096	+)))
846	846
847		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1098	+(((
	1099	+**Example:**
	1100	+)))
848	848
849		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1102	+* (((
	1103	+A7 01 00 60   same as AT+BAUDR=9600
	1104	+)))
	1105	+* (((
	1106	+A7 01 04 80  same as AT+BAUDR=115200
	1107	+)))
850	850
851		-Example screen shot after clear all RS485 commands.
	1109	+(((
	1110	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1111	+)))
852	852
	1113	+(((
	1114	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1115	+)))
853	853
854	854
855		-The uplink screen shot is:
856	856
857		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
858	858
	1120	+== 3.6 Listening mode for RS485 network ==
859	859
860		-* Downlink Payload:
861	861
862		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1123	+(((
	1124	+This feature support since firmware v1.4
	1125	+)))
863	863
	1127	+(((
	1128	+RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
864	864
865		-==== Set Serial Communication Parameters ====
	1130	+
	1131	+)))
866	866
867		-Set the Rs485 serial communication parameters:
	1133	+(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
868	868
869		-* AT Command:
	1135	+(((
	1136	+To enable the listening mode, use can run the command AT+RXMODE.
	1137	+)))
870	870
871		-Set Baud Rate:
	1139	+(((
	1140	+
	1141	+)))
872	872
873		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1143	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1144	+|=(% style="width: 100px;" %)(((
	1145	+**Command example**
	1146	+)))|=(% style="width: 400px;" %)(((
	1147	+**Function**
	1148	+)))
	1149	+|(% style="width:100px" %)(((
	1150	+AT+RXMODE=1,10
	1151	+)))|(% style="width:400px" %)(((
	1152	+Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	1153	+)))
	1154	+|(% style="width:100px" %)(((
	1155	+AT+RXMODE=2,500
	1156	+)))|(% style="width:400px" %)(((
	1157	+Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	1158	+)))
	1159	+|(% style="width:100px" %)(((
	1160	+AT+RXMODE=0,0
	1161	+)))|(% style="width:400px" %)(((
	1162	+Disable listening mode. This is the default settings.
	1163	+)))
	1164	+|(% style="width:100px" %)(((
	1165	+
	1166	+)))|(% style="width:400px" %)(((
	1167	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1168	+)))
874	874
	1170	+(((
	1171	+(% style="color:#037691" %)** Downlink Command:**
	1172	+)))
875	875
876		-Set UART parity
	1174	+(((
	1175	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1176	+)))
877	877
878		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1178	+(((
	1179	+
	1180	+)))
879	879
	1182	+(((
	1183	+**Example**:
	1184	+)))
880	880
881		-Set STOPBIT
	1186	+(((
	1187	+The RS485-LN is set to AT+RXMODE=2,1000
	1188	+)))
882	882
883		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1190	+(((
	1191	+There is a two Modbus commands in the RS485 network as below:
	1192	+)))
884	884
	1194	+(((
	1195	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1196	+)))
885	885
886		-* Downlink Payload:
	1198	+(((
	1199	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1200	+)))
887	887
888		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1202	+(((
	1203	+RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1204	+)))
889	889
890		-Example:
	1206	+(((
	1207	+(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1208	+)))
891	891
892		-* A7 01 00 60   same as AT+BAUDR=9600
893		-* A7 01 04 80  same as AT+BAUDR=115200
	1210	+(((
	1211	+
	1212	+)))
894	894
895		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1214	+(((
	1215	+(((
	1216	+(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
	1217	+)))
	1218	+)))
896	896
897		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
898	898
899	899
900		-==== Control output power duration ====
	1222	+== 3.7 Buttons ==
901	901
902		-User can set the output power duration before each sampling.
903	903
904		-* AT Command:
	1225	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1226	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1227	+|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
	1228	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1229	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
905	905
906		-Example:
907	907
908		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
909	909
910		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1233	+== 3.8 LEDs ==
911	911
912	912
913		-* LoRaWAN Downlink Command:
	1236	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1237	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1238	+|**PWR**|Always on if there is power
	1239	+|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
914	914
915		-07 01 aa bb  Same as AT+5VT=(aa bb)
916	916
917		-07 02 aa bb  Same as AT+3V3T=(aa bb)
918	918
	1243	+= 4. Case Study =
919	919
920	920
	1246	+User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
921	921
922		-1.
923		-11. Buttons
924	924
925		-|**Button**|**Feature**
926		-|**RST**|Reboot RS485-BL
927	927
928		-1.
929		-11. +3V3 Output
	1250	+= 5. Use AT Command =
930	930
931		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1252	+== 5.1 Access AT Command ==
932	932
933		-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.
934	934
	1255	+(((
	1256	+RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
	1257	+)))
935	935
936		-The +3V3 output time can be controlled by AT Command.
	1259	+(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
937	937
938		-**AT+3V3T=1000**
939	939
940		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1262	+(((
	1263	+In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
	1264	+)))
941	941
	1266	+(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
942	942
943		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
944	944
	1269	+(((
	1270	+More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1271	+)))
945	945
946		-1.
947		-11. +5V Output
948	948
949		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
950	950
951		-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.
	1275	+== 5.2 Common AT Command Sequence ==
952	952
953	953
954		-The 5V output time can be controlled by AT Command.
	1278	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
955	955
956		-**AT+5VT=1000**
957	957
958		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1281	+If device has not joined network yet:
959	959
	1283	+* (% style="color:#037691" %)**AT+FDR**
	1284	+* (% style="color:#037691" %)**AT+NJM=0**
	1285	+* (% style="color:#037691" %)**ATZ**
960	960
961		-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.
	1287	+(((
	1288	+
962	962
	1290	+If device already joined network:
963	963
	1292	+* (% style="color:#037691" %)**AT+NJM=0**
	1293	+* (% style="color:#037691" %)**ATZ**
964	964
	1295	+
	1296	+)))
965	965
966		-1.
967		-11. LEDs
968	968
969		-|**LEDs**|**Feature**
970		-|**LED1**|Blink when device transmit a packet.
971	971
972		-1.
973		-11. Switch Jumper
	1300	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
974	974
975		-|**Switch Jumper**|**Feature**
976		-|**SW1**|(((
977		-ISP position: Upgrade firmware via UART
978	978
979		-Flash position: Configure device, check running status.
980		-)))
981		-|**SW2**|(((
982		-5V position: set to compatible with 5v I/O.
	1303	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
983	983
984		-3.3v position: set to compatible with 3.3v I/O.,
985		-)))
	1305	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
986	986
987		-+3.3V: is always ON
	1307	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
988	988
989		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1309	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
990	990
991		-1. Case Study
	1311	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
992	992
993		-User can check this URL for some case studies.
	1313	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
994	994
995		-[[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]]
	1315	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
996	996
	1317	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
997	997
	1319	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
998	998
	1321	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
999	999
1000		-1. Use AT Command
1001		-11. Access AT Command
1002	1002
1003		-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.
	1324	+(% style="color:red" %)**Note:**
1004	1004
1005		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1326	+(((
	1327	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1328	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1329	+3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1330	+4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1331	+)))
1006	1006
	1333	+(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1007	1007
1008		-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:
1009	1009
1010		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1011	1011
	1337	+= 6. FAQ =
1012	1012
	1339	+== 6.1 How to upgrade the image? ==
1013	1013
1014		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1015	1015
	1342	+(((
	1343	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1344	+)))
1016	1016
	1346	+* (((
	1347	+Support new features
	1348	+)))
	1349	+* (((
	1350	+For bug fix
	1351	+)))
	1352	+* (((
	1353	+Change LoRaWAN bands.
	1354	+)))
1017	1017
1018		-1.
1019		-11. Common AT Command Sequence
1020		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1356	+(((
	1357	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1358	+)))
1021	1021
1022		-If device has not joined network yet:
	1360	+(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1023	1023
1024		-AT+FDR
	1362	+(((
	1363	+(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	1364	+)))
1025	1025
1026		-AT+NJM=0
	1366	+(((
	1367	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1368	+)))
1027	1027
1028		-ATZ
	1370	+(((
	1371	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1372	+)))
1029	1029
	1374	+(((
	1375	+(((
	1376	+(((
	1377	+(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
	1378	+)))
	1379	+)))
	1380	+)))
1030	1030
1031		-If device already joined network:
1032	1032
1033		-AT+NJM=0
	1383	+(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1034	1034
1035		-ATZ
1036	1036
1037		-1.
1038		-11.
1039		-111. Single-channel ABP mode (Use with LG01/LG02)
	1386	+(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1040	1040
1041		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1042	1042
1043		-AT+NJM=0 Set to ABP mode
	1389	+(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1044	1044
1045		-AT+ADR=0 Set the Adaptive Data Rate Off
1046	1046
1047		-AT+DR=5  Set Data Rate
	1392	+(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1048	1048
1049		-AT+TDC=60000  Set transmit interval to 60 seconds
	1394	+(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1050	1050
1051		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1052	1052
1053		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1054	1054
1055		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1398	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1056	1056
1057		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1058	1058
1059		-ATZ          Reset MCU
	1401	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1060	1060
1061		-**Note:**
1062	1062
1063		-1. Make sure the device is set to ABP mode in the IoT Server.
1064		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1065		-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.
1066		-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
1067	1067
1068		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1405	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1069	1069
1070	1070
1071		-1. FAQ
1072		-11. How to upgrade the image?
	1408	+The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1073	1073
1074		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1075	1075
1076		-* Support new features
1077		-* For bug fix
1078		-* Change LoRaWAN bands.
1079	1079
1080		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1412	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1081	1081
1082		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1083	1083
1084		-**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]].
	1415	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1085	1085
1086		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1417	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1087	1087
1088		-**Step3: **Open flashloader; choose the correct COM port to update.
1089	1089
1090	1090
1091		-|(((
1092		-HOLD PRO then press the RST button, SYS will be ON, then click next
1093		-)))
	1421	+== 6.5 Can i use point to point communication for RS485-LN? ==
1094	1094
1095		-|(((
1096		-Board detected
1097		-)))
1098	1098
1099		-|(((
1100		-
1101		-)))
	1424	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1102	1102
1103		-[[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]]
1104	1104
1105	1105
	1428	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1106	1106
1107		-[[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]]
1108	1108
	1431	+[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1109	1109
1110		-[[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]]
1111	1111
1112	1112
1113		-1.
1114		-11. How to change the LoRa Frequency Bands/Region?
	1435	+= 7. Trouble Shooting =
1115	1115
1116		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1117	1117
	1438	+== 7.1 Downlink doesn't work, how to solve it? ==
1118	1118
1119	1119
1120		-1.
1121		-11. How many RS485-Slave can RS485-BL connects?
	1441	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1122	1122
1123		-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]].
1124	1124
1125	1125
	1445	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1126	1126
1127	1127
1128		-1. Trouble Shooting
1129		-11. Downlink doesn’t work, how to solve it?
	1448	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1130	1130
1131		-Please see this link for debug:
1132	1132
1133		-[[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]]
1134	1134
	1452	+= 8. Order Info =
1135	1135
1136	1136
1137		-1.
1138		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1455	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1139	1139
1140		-It might about the channels mapping. Please see for detail.
	1457	+(% style="color:blue" %)**XXX:**
1141	1141
1142		-[[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]]
	1459	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1460	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1461	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1462	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1463	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1464	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1465	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1466	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1467	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1468	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1143	1143
1144	1144
1145	1145
1146		-1. Order Info
1147	1147
1148		-**Part Number: RS485-BL-XXX**
	1473	+= 9.Packing Info =
1149	1149
1150		-**XXX:**
1151	1151
1152		-* **EU433**: frequency bands EU433
1153		-* **EU868**: frequency bands EU868
1154		-* **KR920**: frequency bands KR920
1155		-* **CN470**: frequency bands CN470
1156		-* **AS923**: frequency bands AS923
1157		-* **AU915**: frequency bands AU915
1158		-* **US915**: frequency bands US915
1159		-* **IN865**: frequency bands IN865
1160		-* **RU864**: frequency bands RU864
1161		-* **KZ865: **frequency bands KZ865
1162		-
1163		-1. Packing Info
1164		-
1165	1165	**Package Includes**:
1166	1166
1167		-* RS485-BL x 1
	1478	+* RS485-LN x 1
1168	1168	* Stick Antenna for LoRa RF part x 1
1169	1169	* Program cable x 1
1170	1170
...	...	@@ -1175,9 +1175,69 @@
1175	1175	* Package Size / pcs : 14.5 x 8 x 5 cm
1176	1176	* Weight / pcs : 170g
1177	1177
1178		-1. Support
1179	1179
1180		-* 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.
1181		-* 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
1182	1182
1183		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1491	+
	1492	+
	1493	+= 10. FCC Caution for RS485LN-US915 =
	1494	+
	1495	+
	1496	+(((
	1497	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1498	+)))
	1499	+
	1500	+(((
	1501	+This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	1502	+)))
	1503	+
	1504	+(((
	1505	+
	1506	+)))
	1507	+
	1508	+(((
	1509	+(% style="color:red" %)**IMPORTANT NOTE:**
	1510	+)))
	1511	+
	1512	+(((
	1513	+**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1514	+)))
	1515	+
	1516	+(((
	1517	+—Reorient or relocate the receiving antenna.
	1518	+)))
	1519	+
	1520	+(((
	1521	+—Increase the separation between the equipment and receiver.
	1522	+)))
	1523	+
	1524	+(((
	1525	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1526	+)))
	1527	+
	1528	+(((
	1529	+—Consult the dealer or an experienced radio/TV technician for help.
	1530	+)))
	1531	+
	1532	+(((
	1533	+
	1534	+)))
	1535	+
	1536	+(((
	1537	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1538	+)))
	1539	+
	1540	+(((
	1541	+This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
	1542	+)))
	1543	+
	1544	+
	1545	+
	1546	+= 11. Support =
	1547	+
	1548	+
	1549	+* (((
	1550	+Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
	1551	+)))
	1552	+* (((
	1553	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1554	+)))

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