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

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Details

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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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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.
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	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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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.
34	34	)))
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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
	114	+
	115	+
77	77	== 1.3 Features ==
78	78
	118	+
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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	129	+
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
	140	+
	141	+
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
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	148	+
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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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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	199	+
134	134	== 3.2 Example to join LoRaWAN network ==
135	135
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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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142	142
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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"]]
	217	+(% 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
	219	+
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:
	221	+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.
	225	+(% 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.
	242	+**Add APP EUI in the application.**
169	169	)))
170	170	)))
171	171
172		-[[image:image-20220519174512-1.png]]
	246	+(% 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"]]
	250	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
177	177
178		-[[image:image-20220519174512-4.png]]
	252	+(% 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"]]
	256	+(% 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
	260	+**Add APP KEY and DEV EUI**
188	188
	262	+(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	263	+
	264	+
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.
	266	+(% 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"]]
	269	+(% 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
	271	+
	272	+
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.
	278	+(((
	279	+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	)))
	281	+)))
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
	284	+(((
	285	+(% 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	)))
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205	205	)))
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206	206
207		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	293	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
208	208
	295	+
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		-|(((
	298	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	299	+|=(% style="width: 110px;" %)(((
213	213	**AT Commands**
214		-)))|(% style="width:285px" %)(((
	301	+)))|=(% style="width: 190px;" %)(((
215	215	**Description**
216		-)))|(% style="width:347px" %)(((
	303	+)))|=(% style="width: 190px;" %)(((
217	217	**Example**
218	218	)))
219		-|(((
	306	+|(% style="width:110px" %)(((
220	220	AT+BAUDR
221		-)))|(% style="width:285px" %)(((
	308	+)))|(% style="width:190px" %)(((
222	222	Set the baud rate (for RS485 connection). Default Value is: 9600.
223		-)))|(% style="width:347px" %)(((
	310	+)))|(% 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		-|(((
	319	+|(% style="width:110px" %)(((
233	233	AT+PARITY
234		-)))|(% style="width:285px" %)(((
	321	+)))|(% style="width:190px" %)(((
235	235	Set UART parity (for RS485 connection)
236		-)))|(% style="width:347px" %)(((
	323	+)))|(% 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		-|(((
	332	+|(% style="width:110px" %)(((
246	246	AT+STOPBIT
247		-)))|(% style="width:285px" %)(((
	334	+)))|(% 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" %)(((
	342	+)))|(% style="width:190px" %)(((
256	256	(((
257	257	AT+STOPBIT=0 for 1bit
258	258	)))
...	...	@@ -266,8 +266,10 @@
266	266	)))
267	267	)))
268	268
	356	+
269	269	=== 3.3.2 Configure sensors ===
270	270
	359	+
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.
...	...	@@ -274,140 +274,70 @@
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		-
	366	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	367	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	368	+|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.
	370	+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.
	374	+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.
	378	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
299	299	)))
	380	+)))|(% 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		-)))
	383	+=== 3.3.3 Configure read commands for each sampling ===
308	308
309		-(((
310		-**Command from RS485-BL to Sensor:**
311		-)))
312	312
313	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		-)))
	387	+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.
316	316
317		-(((
318		-**Handle return from sensors to RS485-BL**:
319		-)))
	389	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short 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		-)))
	391	+This section describes how to achieve above goals.
324	324
325		-* (((
326		-**AT+DATACUT**
327		-)))
	393	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
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		-)))
332	332
333		-* (((
334		-**AT+SEARCH**
335		-)))
	396	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
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		-)))
	398	+~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.
340	340
341		-(((
342		-**Define wait timeout:**
343		-)))
	400	+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.
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		-)))
	402	+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
348	348
349		-(((
	404	+
350	350	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351		-)))
352	352
353		-**Examples:**
354		-
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**
	410	+(% 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
	412	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	413	+|(% style="width:496px" %)(((
	414	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	415	+
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**
366	366	)))
367	367
368		-(((
369	369	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.
370		-)))
371	371
372		-(((
373		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
374		-)))
	423	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
375	375
376		-(((
377		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
378		-)))
379	379
380		-(% border="1" class="table-bordered" %)
381		-|(((
382		-**AT+SEARCHx=aa,xx xx xx xx xx**
	426	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
383	383
384		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
385		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
386		-
387		-
388		-)))
389		-
390		-**Examples:**
391		-
392		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
393		-
394		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
395		-
396		-The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
397		-
398		-[[image:1653269403619-508.png]]
399		-
400		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
401		-
402		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
403		-
404		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
405		-
406		-[[image:1653269438444-278.png]]
407		-
408		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
409		-
410		-|(((
	428	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	429	+|(% style="width:510px" %)(((
411	411	**AT+DATACUTx=a,b,c**
412	412
413	413	* **a: length for the return of AT+COMMAND**
...	...	@@ -415,48 +415,39 @@
415	415	* **c: define the position for valid value.  **
416	416	)))
417	417
418		-Examples:
	437	+**Examples:**
419	419
420		-* Grab bytes:
	439	+* (% style="color:#037691" %)**Grab bytes**
421	421
422		-[[image:1653269551753-223.png||height="311" width="717"]]
	441	+(% 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" %)​
423	423
424		-* Grab a section.
425	425
426		-[[image:1653269568276-930.png||height="325" width="718"]]
	444	+* (% style="color:#037691" %)**Grab a section**
427	427
428		-* Grab different sections.
	446	+(% 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" %)​
429	429
430		-[[image:1653269593172-426.png||height="303" width="725"]]
431	431
432		-(% style="color:red" %)**Note:**
	449	+* (% style="color:#037691" %)**Grab different sections**
433	433
434		-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.
	451	+(% 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" %)​
435	435
436		-Example:
437	437
438		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	454	+
	455	+)))
439	439
440		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
441		-
442		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
443		-
444		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
445		-
446		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
447		-
448		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
449		-
450		-[[image:1653269618463-608.png]]
451		-
452	452	=== 3.3.4 Compose the uplink payload ===
453	453
	459	+
454	454	(((
455	455	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.**
	462	+
	463	+
456	456	)))
457	457
458	458	(((
459		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	467	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	468	+
	469	+
460	460	)))
461	461
462	462	(((
...	...	@@ -475,10 +475,12 @@
475	475	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
476	476	)))
477	477
478		-[[image:1653269759169-150.png||height="513" width="716"]]
	488	+(% 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" %)​
479	479
480		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
481	481
	491	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	492	+
	493	+
482	482	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
483	483
484	484	Final Payload is
...	...	@@ -485,687 +485,977 @@
485	485
486	486	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
487	487
488		-1. Battery Info (2 bytes): Battery voltage
489		-1. PAYVER (1 byte): Defined by AT+PAYVER
490		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
491		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
492		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
493	493
494		-[[image:1653269916228-732.png||height="433" width="711"]]
	501	+1. PAYVER: Defined by AT+PAYVER
	502	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	503	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	504	+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
495	495
	506	+(% 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" %)​
496	496
497		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
498	498
499		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	509	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
500	500
501		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	511	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
502	502
503		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	513	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
504	504
505		-Below are the uplink payloads:
	515	+DATA3=the rest of Valid value of RETURN10= **30**
506	506
507		-[[image:1653270130359-810.png]]
508	508
	518	+(% 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:**
509	509
510		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	520	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
511	511
512		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	522	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
513	513
514		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	524	+ * For US915 band, max 11 bytes for each uplink.
515	515
516		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	526	+ ~* For all other bands: max 51 bytes for each uplink.
517	517
518		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
519	519
520		-=== 3.3.5 Uplink on demand ===
	529	+Below are the uplink payloads:
521	521
522		-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.
	531	+(% 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" %)​
523	523
524		-Downlink control command:
525	525
526		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
527	527
528		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	535	+=== 3.3.5 Uplink on demand ===
529	529
530	530
	538	+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.
531	531
532		-1.
533		-11.
534		-111. Uplink on Interrupt
	540	+Downlink control command:
535	535
536		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	542	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
537	537
538		-AT+INTMOD=0  Disable Interrupt
	544	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
539	539
540		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
541	541
542		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
543	543
544		-AT+INTMOD=3  Interrupt trigger by rising edge.
	548	+=== 3.3.6 Uplink on Interrupt ===
545	545
546	546
547		-1.
548		-11. Uplink Payload
	551	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
549	549
550		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
551		-|Value|(((
552		-Battery(mV)
	553	+(% 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" %)​
553	553
554		-&
	555	+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.
555	555
556		-Interrupt _Flag
557		-)))|(((
558		-PAYLOAD_VER
559	559
560		-
561		-)))|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.
562	562
563		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	559	+== 3.4 Uplink Payload ==
564	564
565	565
566		-function Decoder(bytes, port) {
	562	+(% 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" %)​
567	567
568		-~/~/Payload Formats of RS485-BL Deceive
	564	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
569	569
570		-return {
571	571
572		- ~/~/Battery,units:V
573	573
574		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	568	+== 3.5 Configure RS485-LN via AT or Downlink ==
575	575
576		- ~/~/GPIO_EXTI
577	577
578		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	571	+(((
	572	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	573	+)))
579	579
580		- ~/~/payload of version
	575	+(((
	576	+There are two kinds of Commands:
	577	+)))
581	581
582		- Pay_ver:bytes[2],
	579	+* (((
	580	+(% 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]]
	581	+)))
583	583
584		- };
	583	+* (((
	584	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	585	+)))
585	585
586		- }
	587	+(((
	588	+
	589	+)))
587	587
588	588
589	589
	593	+=== 3.5.1 Common Commands ===
590	590
591	591
	596	+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]]
592	592
593	593
594		-TTN V3 uplink screen shot.
595	595
596		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	600	+=== 3.5.2 Sensor related commands ===
597	597
598		-1.
599		-11. Configure RS485-BL via AT or Downlink
600	600
601		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	603	+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.
602	602
603		-There are two kinds of Commands:
	605	+(% 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" %)​
604	604
605		-* **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
	607	+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)
606	606
607		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
608	608
609		-1.
610		-11.
611		-111. Common Commands:
612	612
613		-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]]
	611	+=== 3.5.3 Sensor related commands ===
614	614
615	615
616		-1.
617		-11.
618		-111. Sensor related commands:
619	619
620		-==== Choose Device Type (RS485 or TTL) ====
621	621
622		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	616	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
623	623
624		-* AT Command
	618	+(((
	619	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	620	+)))
625	625
626		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	622	+* (((
	623	+(% style="color:#037691" %)**AT Command**
627	627
628		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	625	+(((
	626	+**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
	627	+)))
	628	+)))
629	629
	630	+(((
	631	+
	632	+)))
630	630
631		-* Downlink Payload
	634	+* (((
	635	+(% style="color:#037691" %)**Downlink Payload**
	636	+)))
632	632
633		-**0A aa**     à same as AT+MOD=aa
	638	+(((
	639	+Format: A8 MM NN XX XX XX XX YY
	640	+)))
634	634
	642	+(((
	643	+Where:
	644	+)))
635	635
	646	+* (((
	647	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	648	+)))
	649	+* (((
	650	+NN: The length of RS485 command
	651	+)))
	652	+* (((
	653	+XX XX XX XX: RS485 command total NN bytes
	654	+)))
	655	+* (((
	656	+(((
	657	+YY: How many bytes will be uplink from the return of this RS485 command,
	658	+)))
636	636
637		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	660	+* (((
	661	+if YY=0, RS485-LN will execute the downlink command without uplink;
	662	+)))
	663	+* (((
	664	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	665	+)))
	666	+* (((
	667	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	668	+)))
	669	+)))
638	638
639		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	671	+(((
	672	+
640	640
641		-* AT Command
	674	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	675	+)))
642	642
643		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	677	+(((
	678	+To connect a Modbus Alarm with below commands.
	679	+)))
644	644
645		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	681	+* (((
	682	+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.
	683	+)))
646	646
	685	+* (((
	686	+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.
	687	+)))
647	647
	689	+(((
	690	+
648	648
649		-* Downlink Payload
	692	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	693	+)))
650	650
651		-Format: A8 MM NN XX XX XX XX YY
	695	+(((
	696	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	697	+)))
652	652
653		-Where:
	699	+(((
	700	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	701	+)))
654	654
655		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
656		-* NN: The length of RS485 command
657		-* XX XX XX XX: RS485 command total NN bytes
658		-* 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
	703	+(((
	704	+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.
	705	+)))
659	659
660		-**Example 1:**
	707	+(((
	708	+
	709	+)))
661	661
662		-To connect a Modbus Alarm with below commands.
	711	+(((
	712	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	713	+)))
663	663
664		-* 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.
	715	+(((
	716	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	717	+)))
665	665
666		-* 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.
	719	+(((
	720	+
	721	+)))
667	667
668		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	723	+(((
	724	+(((
	725	+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**
	726	+)))
669	669
670		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	728	+
	729	+)))
671	671
672		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	731	+(((
	732	+ (% 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" %)​
	733	+)))
673	673
674		-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.
675	675
676	676
677		-**Example 2:**
678	678
679		-Check TTL Sensor return:
	738	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
680	680
681		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	740	+(((
	741	+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.
	742	+)))
682	682
	744	+* (((
	745	+(% style="color:#037691" %)**AT Command:**
683	683
	747	+**AT+PAYVER:    **Set PAYVER field = 1
684	684
	749	+
	750	+)))
	751	+* (((
	752	+(% style="color:#037691" %)**Downlink Payload:**
	753	+)))
685	685
686		-==== Set Payload version ====
	755	+(((
	756	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	757	+)))
687	687
688		-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.
	759	+(((
	760	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	761	+)))
689	689
690		-* AT Command:
691	691
692		-AT+PAYVER: Set PAYVER field = 1
693	693
694	694
695		-* Downlink Payload:
	766	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
696	696
697		-0xAE 01   à Set PAYVER field =  0x01
	768	+(((
	769	+AT+COMMANDx or AT+DATACUTx
	770	+)))
698	698
699		-0xAE 0F   à Set PAYVER field =  0x0F
	772	+(((
	773	+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"]].
	774	+)))
700	700
	776	+(((
	777	+
	778	+)))
701	701
702		-==== Set RS485 Sampling Commands ====
	780	+* (((
	781	+(% style="color:#037691" %)**AT Command:**
	782	+)))
703	703
704		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	784	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
705	705
706		-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]].
	786	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
707	707
708	708
709		-* AT Command:
	789	+* (((
	790	+(% style="color:#037691" %)**Downlink Payload:**
	791	+)))
710	710
711		-AT+COMMANDx: Configure RS485 read command to sensor.
	793	+(((
	794	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	795	+)))
712	712
713		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	797	+(((
	798	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	799	+)))
714	714
715		-AT+SEARCHx: Configure search command
	801	+(((
	802	+Format: AF MM NN LL XX XX XX XX YY
	803	+)))
716	716
	805	+(((
	806	+Where:
	807	+)))
717	717
718		-* Downlink Payload:
	809	+* (((
	810	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	811	+)))
	812	+* (((
	813	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	814	+)))
	815	+* (((
	816	+LL:  The length of AT+COMMAND or AT+DATACUT command
	817	+)))
	818	+* (((
	819	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	820	+)))
	821	+* (((
	822	+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.
	823	+)))
719	719
720		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	825	+(((
	826	+
721	721
722		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	828	+**Example:**
	829	+)))
723	723
724		-Format: AF MM NN LL XX XX XX XX YY
	831	+(((
	832	+(% 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
	833	+)))
725	725
726		-Where:
	835	+(((
	836	+(% 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**
	837	+)))
727	727
728		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
729		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
730		-* LL: The length of AT+COMMAND or AT+DATACUT command
731		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
732		-* 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.
	839	+(((
	840	+(% 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**
	841	+)))
733	733
734		-Example:
735	735
736		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
737	737
738		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
739	739
740		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	846	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
741	741
	848	+(((
	849	+**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]].
	850	+)))
742	742
743		-0xAB downlink command can be used for set AT+SEARCHx
	852	+(((
	853	+This command is valid since v1.3 firmware version
	854	+)))
744	744
745		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	856	+(((
	857	+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.
	858	+)))
746	746
747		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
748		-* 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
	860	+(((
	861	+
	862	+)))
749	749
750		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	864	+(((
	865	+**Example:**
	866	+)))
751	751
	868	+* (((
	869	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	870	+)))
	871	+* (((
	872	+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.
	873	+)))
	874	+* (((
	875	+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.
752	752
753		-==== Fast command to handle MODBUS device ====
	877	+
	878	+)))
754	754
755		-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]].
	880	+(% 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" %)​
756	756
757		-This command is valid since v1.3 firmware version
	882	+(% 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" %)​
758	758
759	759
760		-AT+MBFUN has only two value:
761	761
762		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
763	763
764		-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.
	887	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
765	765
766		-* AT+MBFUN=0: Disable Modbus fast reading.
	889	+(((
	890	+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.
	891	+)))
767	767
768		-Example:
	893	+(((
	894	+Default value: 0, range:  0 ~~ 65 seconds
	895	+)))
769	769
770		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
771		-* 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.
772		-* 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.
	897	+* (((
	898	+(% style="color:#037691" %)** AT Command:**
773	773
774		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	900	+**AT+CMDDLaa=hex(bb cc)*1000**
	901	+)))
775	775
	903	+(((
	904	+
776	776
777		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	906	+**Example:**
	907	+)))
778	778
	909	+(((
	910	+**AT+CMDDL1=1000** to send the open time to 1000ms
	911	+)))
779	779
780		-* Downlink Commands:
	913	+(((
	914	+
	915	+)))
781	781
782		-A9 aa -à Same as AT+MBFUN=aa
	917	+* (((
	918	+(% style="color:#037691" %)** Downlink Payload:**
	919	+)))
783	783
	921	+(((
	922	+**0x AA aa bb cc**
	923	+)))
784	784
785		-==== RS485 command timeout ====
	925	+(((
	926	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	927	+)))
786	786
787		-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.
	929	+(((
	930	+**Example:**
	931	+)))
788	788
789		-Default value: 0, range:  0 ~~ 5 seconds
	933	+(((
	934	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	935	+)))
790	790
791	791
792		-* AT Command:
793	793
794		-AT+CMDDLaa=hex(bb cc)
795	795
796		-Example:
	940	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
797	797
798		-**AT+CMDDL1=1000** to send the open time to 1000ms
	942	+(((
	943	+Define to use one uplink or multiple uplinks for the sampling.
	944	+)))
799	799
	946	+(((
	947	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
800	800
801		-* Downlink Payload:
	949	+
	950	+)))
802	802
803		-0x AA aa bb cc
	952	+* (((
	953	+(% style="color:#037691" %)** AT Command:**
	954	+)))
804	804
805		-Same as: AT+CMDDLaa=hex(bb cc)
	956	+**AT+DATAUP=0**
806	806
807		- Example:
	958	+**AT+DATAUP=1**
808	808
809		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
810	810
	961	+* (((
	962	+(% style="color:#037691" %)** Downlink Payload:**
	963	+)))
811	811
812		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	965	+(((
	966	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	967	+)))
813	813
814		-Define to use one uplink or multiple uplinks for the sampling.
	969	+(((
	970	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	971	+)))
815	815
816		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
817	817
818		-* AT Command:
819	819
820		-AT+DATAUP=0
821	821
822		-AT+DATAUP=1
	976	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
823	823
	978	+(((
	979	+Ask device to send an uplink immediately.
	980	+)))
824	824
825		-* Downlink Payload:
	982	+* (((
	983	+(% style="color:#037691" %)** AT Command:**
	984	+)))
826	826
827		-0xAD 00   à Same as AT+DATAUP=0
	986	+(((
	987	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	988	+)))
828	828
829		-0xAD 01   à Same as AT+DATAUP=1
	990	+(((
	991	+
	992	+)))
830	830
	994	+* (((
	995	+(% style="color:#037691" %)** Downlink Payload:**
	996	+)))
831	831
832		-==== Manually trigger an Uplink ====
	998	+(((
	999	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1000	+)))
833	833
834		-Ask device to send an uplink immediately.
835	835
836		-* Downlink Payload:
837	837
838		-0x08 FF, RS485-BL will immediately send an uplink.
839	839
	1005	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
840	840
841		-==== Clear RS485 Command ====
842		-
	1007	+(((
843	843	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
844	844
	1010	+
	1011	+)))
845	845
846		-* AT Command:
	1013	+* (((
	1014	+(% style="color:#037691" %)** AT Command:**
	1015	+)))
847	847
	1017	+(((
848	848	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1019	+)))
849	849
	1021	+(((
850	850	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1023	+)))
851	851
	1025	+(((
852	852	Example screen shot after clear all RS485 commands.
	1027	+)))
853	853
	1029	+(((
	1030	+
	1031	+)))
854	854
855		-
	1033	+(((
856	856	The uplink screen shot is:
	1035	+)))
857	857
858		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1037	+(% 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" %)​
859	859
860	860
861		-* Downlink Payload:
	1040	+* (((
	1041	+(% style="color:#037691" %)** Downlink Payload:**
	1042	+)))
862	862
863		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1044	+(((
	1045	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1046	+)))
864	864
865	865
866		-==== Set Serial Communication Parameters ====
867	867
	1050	+
	1051	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1052	+
	1053	+(((
868	868	Set the Rs485 serial communication parameters:
	1055	+)))
869	869
870		-* AT Command:
	1057	+* (((
	1058	+(% style="color:#037691" %)** AT Command:**
	1059	+)))
871	871
872		-Set Baud Rate:
	1061	+(((
	1062	+
873	873
874		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1064	+* Set Baud Rate
	1065	+)))
875	875
	1067	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
876	876
877		-Set UART parity
878	878
879		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1070	+(((
	1071	+* Set UART Parity
	1072	+)))
880	880
	1074	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
881	881
882		-Set STOPBIT
883	883
884		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1077	+(((
	1078	+* Set STOPBIT
	1079	+)))
885	885
	1081	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
886	886
887		-* Downlink Payload:
888	888
889		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
890	890
891		-Example:
	1085	+* (((
	1086	+(% style="color:#037691" %)** Downlink Payload:**
	1087	+)))
892	892
893		-* A7 01 00 60   same as AT+BAUDR=9600
894		-* A7 01 04 80  same as AT+BAUDR=115200
	1089	+(((
	1090	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1091	+)))
895	895
896		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1093	+(((
	1094	+**Example:**
	1095	+)))
897	897
898		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1097	+* (((
	1098	+A7 01 00 60   same as AT+BAUDR=9600
	1099	+)))
	1100	+* (((
	1101	+A7 01 04 80  same as AT+BAUDR=115200
	1102	+)))
899	899
	1104	+(((
	1105	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1106	+)))
900	900
901		-==== Control output power duration ====
	1108	+(((
	1109	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1110	+)))
902	902
903		-User can set the output power duration before each sampling.
904	904
905		-* AT Command:
906	906
907		-Example:
908	908
909		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1115	+== 3.6 Listening mode for RS485 network ==
910	910
911		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
912	912
	1118	+(((
	1119	+This feature support since firmware v1.4
	1120	+)))
913	913
914		-* LoRaWAN Downlink Command:
	1122	+(((
	1123	+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.
915	915
916		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1125	+
	1126	+)))
917	917
918		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1128	+(% 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" %)​
919	919
	1130	+(((
	1131	+To enable the listening mode, use can run the command AT+RXMODE.
	1132	+)))
920	920
	1134	+(((
	1135	+
	1136	+)))
921	921
	1138	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1139	+|=(% style="width: 100px;" %)(((
	1140	+**Command example**
	1141	+)))|=(% style="width: 400px;" %)(((
	1142	+**Function**
	1143	+)))
	1144	+|(% style="width:100px" %)(((
	1145	+AT+RXMODE=1,10
	1146	+)))|(% style="width:400px" %)(((
	1147	+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.
	1148	+)))
	1149	+|(% style="width:100px" %)(((
	1150	+AT+RXMODE=2,500
	1151	+)))|(% style="width:400px" %)(((
	1152	+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
	1153	+)))
	1154	+|(% style="width:100px" %)(((
	1155	+AT+RXMODE=0,0
	1156	+)))|(% style="width:400px" %)(((
	1157	+Disable listening mode. This is the default settings.
	1158	+)))
	1159	+|(% style="width:100px" %)(((
	1160	+
	1161	+)))|(% style="width:400px" %)(((
	1162	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1163	+)))
922	922
923		-1.
924		-11. Buttons
	1165	+(((
	1166	+(% style="color:#037691" %)** Downlink Command:**
	1167	+)))
925	925
926		-|**Button**|**Feature**
927		-|**RST**|Reboot RS485-BL
	1169	+(((
	1170	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1171	+)))
928	928
929		-1.
930		-11. +3V3 Output
	1173	+(((
	1174	+
	1175	+)))
931	931
932		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1177	+(((
	1178	+**Example**:
	1179	+)))
933	933
934		-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.
	1181	+(((
	1182	+The RS485-LN is set to AT+RXMODE=2,1000
	1183	+)))
935	935
	1185	+(((
	1186	+There is a two Modbus commands in the RS485 network as below:
	1187	+)))
936	936
937		-The +3V3 output time can be controlled by AT Command.
	1189	+(((
	1190	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1191	+)))
938	938
939		-**AT+3V3T=1000**
	1193	+(((
	1194	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1195	+)))
940	940
941		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1197	+(((
	1198	+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
	1199	+)))
942	942
	1201	+(((
	1202	+(% 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" %)​
	1203	+)))
943	943
944		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1205	+(((
	1206	+
	1207	+)))
945	945
	1209	+(((
	1210	+(((
	1211	+(% 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.**
	1212	+)))
	1213	+)))
946	946
947		-1.
948		-11. +5V Output
949	949
950		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
951	951
952		-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.
	1217	+== 3.7 Buttons ==
953	953
954	954
955		-The 5V output time can be controlled by AT Command.
	1220	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1221	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1222	+|(% 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**
	1223	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1224	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
956	956
957		-**AT+5VT=1000**
958	958
959		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1227	+== 3.8 LEDs ==
960	960
961	961
962		-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.
	1230	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1231	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1232	+|**PWR**|Always on if there is power
	1233	+|**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.
963	963
964	964
	1236	+= 4. Case Study =
965	965
966	966
967		-1.
968		-11. LEDs
	1239	+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]]
969	969
970		-|**LEDs**|**Feature**
971		-|**LED1**|Blink when device transmit a packet.
972	972
973		-1.
974		-11. Switch Jumper
975	975
976		-|**Switch Jumper**|**Feature**
977		-|**SW1**|(((
978		-ISP position: Upgrade firmware via UART
	1243	+= 5. Use AT Command =
979	979
980		-Flash position: Configure device, check running status.
	1245	+== 5.1 Access AT Command ==
	1246	+
	1247	+
	1248	+(((
	1249	+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.
981	981	)))
982		-|**SW2**|(((
983		-5V position: set to compatible with 5v I/O.
984	984
985		-3.3v position: set to compatible with 3.3v I/O.,
	1252	+(% 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" %)​
	1253	+
	1254	+
	1255	+(((
	1256	+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:
986	986	)))
987	987
988		-+3.3V: is always ON
	1259	+(% 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" %)​
989	989
990		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
991	991
992		-1. Case Study
	1262	+(((
	1263	+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/]]
	1264	+)))
993	993
994		-User can check this URL for some case studies.
995	995
996		-[[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]]
997	997
	1268	+== 5.2 Common AT Command Sequence ==
998	998
999	999
	1271	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1000	1000
1001		-1. Use AT Command
1002		-11. Access AT Command
1003	1003
1004		-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.
	1274	+If device has not joined network yet:
1005	1005
1006		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1276	+* (% style="color:#037691" %)**AT+FDR**
	1277	+* (% style="color:#037691" %)**AT+NJM=0**
	1278	+* (% style="color:#037691" %)**ATZ**
1007	1007
	1280	+(((
	1281	+
1008	1008
1009		-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:
	1283	+If device already joined network:
1010	1010
1011		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1285	+* (% style="color:#037691" %)**AT+NJM=0**
	1286	+* (% style="color:#037691" %)**ATZ**
1012	1012
	1288	+
	1289	+)))
1013	1013
1014	1014
1015		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1016	1016
	1293	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1017	1017
1018	1018
1019		-1.
1020		-11. Common AT Command Sequence
1021		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1296	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1022	1022
1023		-If device has not joined network yet:
	1298	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1024	1024
1025		-AT+FDR
	1300	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1026	1026
1027		-AT+NJM=0
	1302	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1028	1028
1029		-ATZ
	1304	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1030	1030
	1306	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1031	1031
1032		-If device already joined network:
	1308	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1033	1033
1034		-AT+NJM=0
	1310	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1035	1035
1036		-ATZ
	1312	+(% 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.
1037	1037
1038		-1.
1039		-11.
1040		-111. Single-channel ABP mode (Use with LG01/LG02)
	1314	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1041	1041
1042		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1043	1043
1044		-AT+NJM=0 Set to ABP mode
	1317	+(% style="color:red" %)**Note:**
1045	1045
1046		-AT+ADR=0 Set the Adaptive Data Rate Off
	1319	+(((
	1320	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1321	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1322	+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.
	1323	+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
	1324	+)))
1047	1047
1048		-AT+DR=5  Set Data Rate
	1326	+(% 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" %)​
1049	1049
1050		-AT+TDC=60000  Set transmit interval to 60 seconds
1051	1051
1052		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1053	1053
1054		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1330	+= 6. FAQ =
1055	1055
1056		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1332	+== 6.1 How to upgrade the image? ==
1057	1057
1058		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1059	1059
1060		-ATZ          Reset MCU
	1335	+(((
	1336	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1337	+)))
1061	1061
1062		-**Note:**
	1339	+* (((
	1340	+Support new features
	1341	+)))
	1342	+* (((
	1343	+For bug fix
	1344	+)))
	1345	+* (((
	1346	+Change LoRaWAN bands.
	1347	+)))
1063	1063
1064		-1. Make sure the device is set to ABP mode in the IoT Server.
1065		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1066		-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.
1067		-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
	1349	+(((
	1350	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1351	+)))
1068	1068
1069		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1353	+(% 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" %)​
1070	1070
	1355	+(((
	1356	+(% 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]].
	1357	+)))
1071	1071
1072		-1. FAQ
1073		-11. How to upgrade the image?
	1359	+(((
	1360	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
	1361	+)))
1074	1074
1075		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1363	+(((
	1364	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1365	+)))
1076	1076
1077		-* Support new features
1078		-* For bug fix
1079		-* Change LoRaWAN bands.
	1367	+(((
	1368	+(((
	1369	+(((
	1370	+(% 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.
	1371	+)))
	1372	+)))
	1373	+)))
1080	1080
1081		-Below shows the hardware connection for how to upload an image to RS485-BL:
1082	1082
1083		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1376	+(% 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" %)​
1084	1084
1085		-**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]].
1086	1086
1087		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1379	+(% 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" %)​
1088	1088
1089		-**Step3: **Open flashloader; choose the correct COM port to update.
1090	1090
	1382	+(% 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" %)​
1091	1091
1092		-|(((
1093		-HOLD PRO then press the RST button, SYS will be ON, then click next
1094		-)))
1095	1095
1096		-|(((
1097		-Board detected
1098		-)))
	1385	+(% 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:**
1099	1099
1100		-|(((
1101		-
1102		-)))
	1387	+(% 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" %)​
1103	1103
1104		-[[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]]
1105	1105
1106	1106
	1391	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1107	1107
1108		-[[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]]
1109	1109
	1394	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1110	1110
1111		-[[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]]
1112	1112
1113	1113
1114		-1.
1115		-11. How to change the LoRa Frequency Bands/Region?
	1398	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1116	1116
1117		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1118	1118
	1401	+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"]].
1119	1119
1120	1120
1121		-1.
1122		-11. How many RS485-Slave can RS485-BL connects?
1123	1123
1124		-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]].
	1405	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1125	1125
1126	1126
	1408	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1127	1127
	1410	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1128	1128
1129		-1. Trouble Shooting
1130		-11. Downlink doesn’t work, how to solve it?
1131	1131
1132		-Please see this link for debug:
1133	1133
1134		-[[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]]
	1414	+== 6.5 Can i use point to point communication for RS485-LN? ==
1135	1135
1136	1136
	1417	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1137	1137
1138		-1.
1139		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1140	1140
1141		-It might about the channels mapping. Please see for detail.
1142	1142
1143		-[[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]]
	1421	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1144	1144
1145	1145
	1424	+[[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/]]
1146	1146
1147		-1. Order Info
1148	1148
1149		-**Part Number: RS485-BL-XXX**
1150	1150
1151		-**XXX:**
	1428	+= 7. Trouble Shooting =
1152	1152
1153		-* **EU433**: frequency bands EU433
1154		-* **EU868**: frequency bands EU868
1155		-* **KR920**: frequency bands KR920
1156		-* **CN470**: frequency bands CN470
1157		-* **AS923**: frequency bands AS923
1158		-* **AU915**: frequency bands AU915
1159		-* **US915**: frequency bands US915
1160		-* **IN865**: frequency bands IN865
1161		-* **RU864**: frequency bands RU864
1162		-* **KZ865: **frequency bands KZ865
1163	1163
1164		-1. Packing Info
	1431	+== 7.1 Downlink doesn't work, how to solve it? ==
1165	1165
	1433	+
	1434	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1435	+
	1436	+
	1437	+
	1438	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1439	+
	1440	+
	1441	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1442	+
	1443	+
	1444	+
	1445	+= 8. Order Info =
	1446	+
	1447	+
	1448	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1449	+
	1450	+(% style="color:blue" %)**XXX:**
	1451	+
	1452	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1453	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1454	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1455	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1456	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1457	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1458	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1459	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1460	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1461	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1462	+
	1463	+
	1464	+
	1465	+= 9.Packing Info =
	1466	+
	1467	+
1166	1166	**Package Includes**:
1167	1167
1168		-* RS485-BL x 1
	1470	+* RS485-LN x 1
1169	1169	* Stick Antenna for LoRa RF part x 1
1170	1170	* Program cable x 1
1171	1171
...	...	@@ -1176,9 +1176,68 @@
1176	1176	* Package Size / pcs : 14.5 x 8 x 5 cm
1177	1177	* Weight / pcs : 170g
1178	1178
1179		-1. Support
1180	1180
1181		-* 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.
1182		-* 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
1183	1183
1184		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1483	+
	1484	+= 10. FCC Caution for RS485LN-US915 =
	1485	+
	1486	+
	1487	+(((
	1488	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1489	+)))
	1490	+
	1491	+(((
	1492	+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.
	1493	+)))
	1494	+
	1495	+(((
	1496	+
	1497	+)))
	1498	+
	1499	+(((
	1500	+(% style="color:red" %)**IMPORTANT NOTE:**
	1501	+)))
	1502	+
	1503	+(((
	1504	+**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:
	1505	+)))
	1506	+
	1507	+(((
	1508	+—Reorient or relocate the receiving antenna.
	1509	+)))
	1510	+
	1511	+(((
	1512	+—Increase the separation between the equipment and receiver.
	1513	+)))
	1514	+
	1515	+(((
	1516	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1517	+)))
	1518	+
	1519	+(((
	1520	+—Consult the dealer or an experienced radio/TV technician for help.
	1521	+)))
	1522	+
	1523	+(((
	1524	+
	1525	+)))
	1526	+
	1527	+(((
	1528	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1529	+)))
	1530	+
	1531	+(((
	1532	+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.
	1533	+)))
	1534	+
	1535	+
	1536	+
	1537	+= 11. Support =
	1538	+
	1539	+
	1540	+* (((
	1541	+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.
	1542	+)))
	1543	+* (((
	1544	+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]].
	1545	+)))

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