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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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
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9	9	**Table of Contents:**
10	10
	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	(((
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21	21	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
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25	25	RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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27	27
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29	29	(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
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31	31
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33	33	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
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34	34
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35	35	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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36	36	)))
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38	38
39		-[[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" %)​
40	40
41	41
42	42	== 1.2 Specifications ==
43	43
	79	+
44	44	**Hardware System:**
45	45
46	46	* STM32L072CZT6 MCU
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47	47	* SX1276/78 Wireless Chip
48	48	* Power Consumption (exclude RS485 device):
49	49	** Idle: 32mA@12v
50		-
51		-*
52	52	** 20dB Transmit: 65mA@12v
53	53
54	54	**Interface for Model:**
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75	75	* Preamble detection.
76	76	* 127 dB Dynamic Range RSSI.
77	77	* Automatic RF Sense and CAD with ultra-fast AFC.
78		-* Packet engine up to 256 bytes with CRC.
	112	+* Packet engine up to 256 bytes with CRC
79	79
	114	+
	115	+
80	80	== 1.3 Features ==
81	81
	118	+
82	82	* LoRaWAN Class A & Class C protocol (default Class C)
83	83	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
84	84	* AT Commands to change parameters
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88	88	* Support Modbus protocol
89	89	* Support Interrupt uplink (Since hardware version v1.2)
90	90
	128	+
	129	+
91	91	== 1.4 Applications ==
92	92
	132	+
93	93	* Smart Buildings & Home Automation
94	94	* Logistics and Supply Chain Management
95	95	* Smart Metering
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97	97	* Smart Cities
98	98	* Smart Factory
99	99
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	141	+
100	100	== 1.5 Firmware Change log ==
101	101
	144	+
102	102	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
103	103
	147	+
	148	+
104	104	== 1.6 Hardware Change log ==
105	105
	151	+
106	106	(((
107	107	(((
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108	108	v1.2: Add External Interrupt Pin.
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109	109
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110	110	v1.0: Release
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112	112	)))
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113	113
114	114	= 2. Power ON Device =
115	115
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116	116	(((
117	117	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
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123	123	Once there is power, the RS485-LN will be on.
124	124	)))
125	125
126		-[[image:1653268091319-405.png]]
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127	127	)))
128	128
129	129	= 3. Operation Mode =
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130	130
131	131	== 3.1 How it works? ==
132	132
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133	133	(((
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134	134	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.
135	135	)))
136	136
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	199	+
137	137	== 3.2 Example to join LoRaWAN network ==
138	138
	202	+
139	139	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.
140	140
141		-[[image:1653268155545-638.png||height="334" width="724"]]
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143	143	(((
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144	144	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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145	145
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146	146	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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147	147
148		-[[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" %)​
149	149
	219	+
150	150	(((
151		-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:
152	152	)))
153	153
154	154	(((
155		-**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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163		-[[image:1652953462722-299.png]]
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165	165	(((
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167	167	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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171		-Add APP EUI in the application.
	242	+**Add APP EUI in the application.**
172	172	)))
173	173	)))
174	174
175		-[[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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177		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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178	178
179		-[[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" %)​
180	180
181		-[[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" %)​
182	182
183	183	You can also choose to create the device manually.
184	184
185		-[[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" %)​
186	186
187		-Add APP KEY and DEV EUI
188	188
189		-[[image:1652953553383-907.png||height="514" width="724"]]
190	190
	260	+**Add APP KEY and DEV EUI**
191	191
	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	+
192	192	(((
193		-**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.
194	194	)))
195	195
196		-[[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" %)​
197	197
	271	+
	272	+
198	198	== 3.3 Configure Commands to read data ==
199	199
	275	+
200	200	(((
201	201	(((
202		-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.
203	203	)))
	281	+)))
204	204
205	205	(((
206		-(% 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**
207	207	)))
	287	+
	288	+
	289	+
208	208	)))
	291	+)))
209	209
210		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	293	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
211	211
	295	+
212	212	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:
213	213
214		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
215		-|(((
	298	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	299	+|=(% style="width: 110px;" %)(((
216	216	**AT Commands**
217		-)))|(% style="width:285px" %)(((
	301	+)))|=(% style="width: 190px;" %)(((
218	218	**Description**
219		-)))|(% style="width:347px" %)(((
	303	+)))|=(% style="width: 190px;" %)(((
220	220	**Example**
221	221	)))
222		-|(((
	306	+|(% style="width:110px" %)(((
223	223	AT+BAUDR
224		-)))|(% style="width:285px" %)(((
	308	+)))|(% style="width:190px" %)(((
225	225	Set the baud rate (for RS485 connection). Default Value is: 9600.
226		-)))|(% style="width:347px" %)(((
	310	+)))|(% style="width:190px" %)(((
227	227	(((
228	228	AT+BAUDR=9600
229	229	)))
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232	232	Options: (1200,2400,4800,14400,19200,115200)
233	233	)))
234	234	)))
235		-|(((
	319	+|(% style="width:110px" %)(((
236	236	AT+PARITY
237		-)))|(% style="width:285px" %)(((
	321	+)))|(% style="width:190px" %)(((
238	238	Set UART parity (for RS485 connection)
239		-)))|(% style="width:347px" %)(((
	323	+)))|(% style="width:190px" %)(((
240	240	(((
241	241	AT+PARITY=0
242	242	)))
...	...	@@ -245,9 +245,9 @@
245	245	Option: 0: no parity, 1: odd parity, 2: even parity
246	246	)))
247	247	)))
248		-|(((
	332	+|(% style="width:110px" %)(((
249	249	AT+STOPBIT
250		-)))|(% style="width:285px" %)(((
	334	+)))|(% style="width:190px" %)(((
251	251	(((
252	252	Set serial stopbit (for RS485 connection)
253	253	)))
...	...	@@ -255,7 +255,7 @@
255	255	(((
256	256
257	257	)))
258		-)))|(% style="width:347px" %)(((
	342	+)))|(% style="width:190px" %)(((
259	259	(((
260	260	AT+STOPBIT=0 for 1bit
261	261	)))
...	...	@@ -269,8 +269,10 @@
269	269	)))
270	270	)))
271	271
	356	+
272	272	=== 3.3.2 Configure sensors ===
273	273
	359	+
274	274	(((
275	275	(((
276	276	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.
...	...	@@ -277,140 +277,70 @@
277	277	)))
278	278	)))
279	279
280		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
281		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
282		-|AT+CFGDEV|(% style="width:418px" %)(((
283		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
284		-
285		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
286		-
287		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
288		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
289		-
290		-=== 3.3.3 Configure read commands for each sampling ===
291		-
	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" %)(((
292	292	(((
293		-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.
294	294	)))
295	295
296	296	(((
297		-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,
298	298	)))
299	299
300	300	(((
301		-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
302	302	)))
	380	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
304		-(((
305		-This section describes how to achieve above goals.
306		-)))
307	307
308		-(((
309		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
310		-)))
	383	+=== 3.3.3 Configure read commands for each sampling ===
311	311
312		-(((
313		-**Command from RS485-BL to Sensor:**
314		-)))
315	315
316	316	(((
317		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
318		-)))
	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.
319	319
320		-(((
321		-**Handle return from sensors to RS485-BL**:
322		-)))
	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.
323	323
324		-(((
325		-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**
326		-)))
	391	+This section describes how to achieve above goals.
327	327
328		-* (((
329		-**AT+DATACUT**
330		-)))
	393	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
331	331
332		-(((
333		-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.
334		-)))
335	335
336		-* (((
337		-**AT+SEARCH**
338		-)))
	396	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
339	339
340		-(((
341		-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.
342		-)))
	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.
343	343
344		-(((
345		-**Define wait timeout:**
346		-)))
	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.
347	347
348		-(((
349		-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
350		-)))
	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
351	351
352		-(((
	404	+
353	353	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
354		-)))
355	355
356		-**Examples:**
357		-
358	358	Below are examples for the how above AT Commands works.
359	359
360		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
361	361
362		-(% border="1" class="table-bordered" %)
363		-|(((
364		-**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:
365	365
	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	+
366	366	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
367	367
368	368	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
369	369	)))
370	370
371		-(((
372	372	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.
373		-)))
374	374
375		-(((
376		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
377		-)))
	423	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
378	378
379		-(((
380		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
381		-)))
382	382
383		-(% border="1" class="table-bordered" %)
384		-|(((
385		-**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.
386	386
387		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
388		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
389		-
390		-
391		-)))
392		-
393		-**Examples:**
394		-
395		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396		-
397		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
398		-
399		-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**
400		-
401		-[[image:1653269403619-508.png]]
402		-
403		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
404		-
405		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
406		-
407		-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**
408		-
409		-[[image:1653269438444-278.png]]
410		-
411		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
412		-
413		-|(((
	428	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	429	+|(% style="width:510px" %)(((
414	414	**AT+DATACUTx=a,b,c**
415	415
416	416	* **a: length for the return of AT+COMMAND**
...	...	@@ -418,48 +418,39 @@
418	418	* **c: define the position for valid value.  **
419	419	)))
420	420
421		-Examples:
	437	+**Examples:**
422	422
423		-* Grab bytes:
	439	+* (% style="color:#037691" %)**Grab bytes**
424	424
425		-[[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" %)​
426	426
427		-* Grab a section.
428	428
429		-[[image:1653269568276-930.png||height="325" width="718"]]
	444	+* (% style="color:#037691" %)**Grab a section**
430	430
431		-* 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" %)​
432	432
433		-[[image:1653269593172-426.png||height="303" width="725"]]
434	434
435		-(% style="color:red" %)**Note:**
	449	+* (% style="color:#037691" %)**Grab different sections**
436	436
437		-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" %)​
438	438
439		-Example:
440	440
441		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	454	+
	455	+)))
442	442
443		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
444		-
445		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
446		-
447		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
448		-
449		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
450		-
451		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
452		-
453		-[[image:1653269618463-608.png]]
454		-
455	455	=== 3.3.4 Compose the uplink payload ===
456	456
	459	+
457	457	(((
458	458	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	+
459	459	)))
460	460
461	461	(((
462		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	467	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	468	+
	469	+
463	463	)))
464	464
465	465	(((
...	...	@@ -478,10 +478,12 @@
478	478	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
479	479	)))
480	480
481		-[[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" %)​
482	482
483		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
484	484
	491	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	492	+
	493	+
485	485	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
486	486
487	487	Final Payload is
...	...	@@ -488,687 +488,977 @@
488	488
489	489	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
490	490
491		-1. Battery Info (2 bytes): Battery voltage
492		-1. PAYVER (1 byte): Defined by AT+PAYVER
493		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
494		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
495		-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
496	496
497		-[[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
498	498
	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" %)​
499	499
500		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
501	501
502		-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
503	503
504		-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**
505	505
506		-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**
507	507
508		-Below are the uplink payloads:
	515	+DATA3=the rest of Valid value of RETURN10= **30**
509	509
510		-[[image:1653270130359-810.png]]
511	511
	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:**
512	512
513		-(% 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.
514	514
515		- ~* 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.
516	516
517		- * 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.
518	518
519		- * 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.
520	520
521		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
522	522
523		-=== 3.3.5 Uplink on demand ===
	529	+Below are the uplink payloads:
524	524
525		-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" %)​
526	526
527		-Downlink control command:
528	528
529		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
530	530
531		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	535	+=== 3.3.5 Uplink on demand ===
532	532
533	533
	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.
534	534
535		-1.
536		-11.
537		-111. Uplink on Interrupt
	540	+Downlink control command:
538	538
539		-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.
540	540
541		-AT+INTMOD=0  Disable Interrupt
	544	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
542	542
543		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
544	544
545		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
546	546
547		-AT+INTMOD=3  Interrupt trigger by rising edge.
	548	+=== 3.3.6 Uplink on Interrupt ===
548	548
549	549
550		-1.
551		-11. Uplink Payload
	551	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
552	552
553		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
554		-|Value|(((
555		-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" %)​
556	556
557		-&
	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.
558	558
559		-Interrupt _Flag
560		-)))|(((
561		-PAYLOAD_VER
562	562
563		-
564		-)))|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.
565	565
566		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	559	+== 3.4 Uplink Payload ==
567	567
568	568
569		-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" %)​
570	570
571		-~/~/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.
572	572
573		-return {
574	574
575		- ~/~/Battery,units:V
576	576
577		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	568	+== 3.5 Configure RS485-LN via AT or Downlink ==
578	578
579		- ~/~/GPIO_EXTI
580	580
581		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	571	+(((
	572	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	573	+)))
582	582
583		- ~/~/payload of version
	575	+(((
	576	+There are two kinds of Commands:
	577	+)))
584	584
585		- 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	+)))
586	586
587		- };
	583	+* (((
	584	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	585	+)))
588	588
589		- }
	587	+(((
	588	+
	589	+)))
590	590
591	591
592	592
	593	+=== 3.5.1 Common Commands ===
593	593
594	594
	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]]
595	595
596	596
597		-TTN V3 uplink screen shot.
598	598
599		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	600	+=== 3.5.2 Sensor related commands ===
600	600
601		-1.
602		-11. Configure RS485-BL via AT or Downlink
603	603
604		-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.
605	605
606		-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" %)​
607	607
608		-* **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)
609	609
610		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
611	611
612		-1.
613		-11.
614		-111. Common Commands:
615	615
616		-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 ===
617	617
618	618
619		-1.
620		-11.
621		-111. Sensor related commands:
622	622
623		-==== Choose Device Type (RS485 or TTL) ====
624	624
625		-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**(%%) ====
626	626
627		-* AT Command
	618	+(((
	619	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	620	+)))
628	628
629		-**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**
630	630
631		-**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	+)))
632	632
	630	+(((
	631	+
	632	+)))
633	633
634		-* Downlink Payload
	634	+* (((
	635	+(% style="color:#037691" %)**Downlink Payload**
	636	+)))
635	635
636		-**0A aa**     à same as AT+MOD=aa
	638	+(((
	639	+Format: A8 MM NN XX XX XX XX YY
	640	+)))
637	637
	642	+(((
	643	+Where:
	644	+)))
638	638
	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	+)))
639	639
640		-==== [[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	+)))
641	641
642		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	671	+(((
	672	+
643	643
644		-* AT Command
	674	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	675	+)))
645	645
646		-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	+)))
647	647
648		-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	+)))
649	649
	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	+)))
650	650
	689	+(((
	690	+
651	651
652		-* Downlink Payload
	692	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	693	+)))
653	653
654		-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	+)))
655	655
656		-Where:
	699	+(((
	700	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	701	+)))
657	657
658		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
659		-* NN: The length of RS485 command
660		-* XX XX XX XX: RS485 command total NN bytes
661		-* 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	+)))
662	662
663		-**Example 1:**
	707	+(((
	708	+
	709	+)))
664	664
665		-To connect a Modbus Alarm with below commands.
	711	+(((
	712	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	713	+)))
666	666
667		-* 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	+)))
668	668
669		-* 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	+)))
670	670
671		-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	+)))
672	672
673		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	728	+
	729	+)))
674	674
675		-**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	+)))
676	676
677		-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.
678	678
679	679
680		-**Example 2:**
681	681
682		-Check TTL Sensor return:
	738	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
683	683
684		-[[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	+)))
685	685
	744	+* (((
	745	+(% style="color:#037691" %)**AT Command:**
686	686
	747	+**AT+PAYVER:    **Set PAYVER field = 1
687	687
	749	+
	750	+)))
	751	+* (((
	752	+(% style="color:#037691" %)**Downlink Payload:**
	753	+)))
688	688
689		-==== Set Payload version ====
	755	+(((
	756	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	757	+)))
690	690
691		-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	+)))
692	692
693		-* AT Command:
694	694
695		-AT+PAYVER: Set PAYVER field = 1
696	696
697	697
698		-* Downlink Payload:
	766	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
699	699
700		-0xAE 01   à Set PAYVER field =  0x01
	768	+(((
	769	+AT+COMMANDx or AT+DATACUTx
	770	+)))
701	701
702		-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	+)))
703	703
	776	+(((
	777	+
	778	+)))
704	704
705		-==== Set RS485 Sampling Commands ====
	780	+* (((
	781	+(% style="color:#037691" %)**AT Command:**
	782	+)))
706	706
707		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	784	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
708	708
709		-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.
710	710
711	711
712		-* AT Command:
	789	+* (((
	790	+(% style="color:#037691" %)**Downlink Payload:**
	791	+)))
713	713
714		-AT+COMMANDx: Configure RS485 read command to sensor.
	793	+(((
	794	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	795	+)))
715	715
716		-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	+)))
717	717
718		-AT+SEARCHx: Configure search command
	801	+(((
	802	+Format: AF MM NN LL XX XX XX XX YY
	803	+)))
719	719
	805	+(((
	806	+Where:
	807	+)))
720	720
721		-* 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	+)))
722	722
723		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	825	+(((
	826	+
724	724
725		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	828	+**Example:**
	829	+)))
726	726
727		-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	+)))
728	728
729		-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	+)))
730	730
731		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
732		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
733		-* LL: The length of AT+COMMAND or AT+DATACUT command
734		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
735		-* 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	+)))
736	736
737		-Example:
738	738
739		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
740	740
741		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
742	742
743		-**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**(%%) ====
744	744
	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	+)))
745	745
746		-0xAB downlink command can be used for set AT+SEARCHx
	852	+(((
	853	+This command is valid since v1.3 firmware version
	854	+)))
747	747
748		-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	+)))
749	749
750		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
751		-* 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	+)))
752	752
753		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	864	+(((
	865	+**Example:**
	866	+)))
754	754
	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.
755	755
756		-==== Fast command to handle MODBUS device ====
	877	+
	878	+)))
757	757
758		-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" %)​
759	759
760		-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" %)​
761	761
762	762
763		-AT+MBFUN has only two value:
764	764
765		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
766	766
767		-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**(%%) ====
768	768
769		-* 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	+)))
770	770
771		-Example:
	893	+(((
	894	+Default value: 0, range:  0 ~~ 65 seconds
	895	+)))
772	772
773		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
774		-* 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.
775		-* 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:**
776	776
777		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	900	+**AT+CMDDLaa=hex(bb cc)*1000**
	901	+)))
778	778
	903	+(((
	904	+
779	779
780		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	906	+**Example:**
	907	+)))
781	781
	909	+(((
	910	+**AT+CMDDL1=1000** to send the open time to 1000ms
	911	+)))
782	782
783		-* Downlink Commands:
	913	+(((
	914	+
	915	+)))
784	784
785		-A9 aa -à Same as AT+MBFUN=aa
	917	+* (((
	918	+(% style="color:#037691" %)** Downlink Payload:**
	919	+)))
786	786
	921	+(((
	922	+**0x AA aa bb cc**
	923	+)))
787	787
788		-==== RS485 command timeout ====
	925	+(((
	926	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	927	+)))
789	789
790		-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	+)))
791	791
792		-Default value: 0, range:  0 ~~ 5 seconds
	933	+(((
	934	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	935	+)))
793	793
794	794
795		-* AT Command:
796	796
797		-AT+CMDDLaa=hex(bb cc)
798	798
799		-Example:
	940	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
800	800
801		-**AT+CMDDL1=1000** to send the open time to 1000ms
	942	+(((
	943	+Define to use one uplink or multiple uplinks for the sampling.
	944	+)))
802	802
	946	+(((
	947	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
803	803
804		-* Downlink Payload:
	949	+
	950	+)))
805	805
806		-0x AA aa bb cc
	952	+* (((
	953	+(% style="color:#037691" %)** AT Command:**
	954	+)))
807	807
808		-Same as: AT+CMDDLaa=hex(bb cc)
	956	+**AT+DATAUP=0**
809	809
810		- Example:
	958	+**AT+DATAUP=1**
811	811
812		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
813	813
	961	+* (((
	962	+(% style="color:#037691" %)** Downlink Payload:**
	963	+)))
814	814
815		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	965	+(((
	966	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	967	+)))
816	816
817		-Define to use one uplink or multiple uplinks for the sampling.
	969	+(((
	970	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	971	+)))
818	818
819		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
820	820
821		-* AT Command:
822	822
823		-AT+DATAUP=0
824	824
825		-AT+DATAUP=1
	976	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
826	826
	978	+(((
	979	+Ask device to send an uplink immediately.
	980	+)))
827	827
828		-* Downlink Payload:
	982	+* (((
	983	+(% style="color:#037691" %)** AT Command:**
	984	+)))
829	829
830		-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	+)))
831	831
832		-0xAD 01   à Same as AT+DATAUP=1
	990	+(((
	991	+
	992	+)))
833	833
	994	+* (((
	995	+(% style="color:#037691" %)** Downlink Payload:**
	996	+)))
834	834
835		-==== Manually trigger an Uplink ====
	998	+(((
	999	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1000	+)))
836	836
837		-Ask device to send an uplink immediately.
838	838
839		-* Downlink Payload:
840	840
841		-0x08 FF, RS485-BL will immediately send an uplink.
842	842
	1005	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
843	843
844		-==== Clear RS485 Command ====
845		-
	1007	+(((
846	846	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
847	847
	1010	+
	1011	+)))
848	848
849		-* AT Command:
	1013	+* (((
	1014	+(% style="color:#037691" %)** AT Command:**
	1015	+)))
850	850
	1017	+(((
851	851	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1019	+)))
852	852
	1021	+(((
853	853	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1023	+)))
854	854
	1025	+(((
855	855	Example screen shot after clear all RS485 commands.
	1027	+)))
856	856
	1029	+(((
	1030	+
	1031	+)))
857	857
858		-
	1033	+(((
859	859	The uplink screen shot is:
	1035	+)))
860	860
861		-[[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" %)​
862	862
863	863
864		-* Downlink Payload:
	1040	+* (((
	1041	+(% style="color:#037691" %)** Downlink Payload:**
	1042	+)))
865	865
866		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1044	+(((
	1045	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1046	+)))
867	867
868	868
869		-==== Set Serial Communication Parameters ====
870	870
	1050	+
	1051	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1052	+
	1053	+(((
871	871	Set the Rs485 serial communication parameters:
	1055	+)))
872	872
873		-* AT Command:
	1057	+* (((
	1058	+(% style="color:#037691" %)** AT Command:**
	1059	+)))
874	874
875		-Set Baud Rate:
	1061	+(((
	1062	+
876	876
877		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1064	+* Set Baud Rate
	1065	+)))
878	878
	1067	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
879	879
880		-Set UART parity
881	881
882		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1070	+(((
	1071	+* Set UART Parity
	1072	+)))
883	883
	1074	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
884	884
885		-Set STOPBIT
886	886
887		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1077	+(((
	1078	+* Set STOPBIT
	1079	+)))
888	888
	1081	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
889	889
890		-* Downlink Payload:
891	891
892		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
893	893
894		-Example:
	1085	+* (((
	1086	+(% style="color:#037691" %)** Downlink Payload:**
	1087	+)))
895	895
896		-* A7 01 00 60   same as AT+BAUDR=9600
897		-* A7 01 04 80  same as AT+BAUDR=115200
	1089	+(((
	1090	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1091	+)))
898	898
899		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1093	+(((
	1094	+**Example:**
	1095	+)))
900	900
901		-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	+)))
902	902
	1104	+(((
	1105	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1106	+)))
903	903
904		-==== Control output power duration ====
	1108	+(((
	1109	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1110	+)))
905	905
906		-User can set the output power duration before each sampling.
907	907
908		-* AT Command:
909	909
910		-Example:
911	911
912		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1115	+== 3.6 Listening mode for RS485 network ==
913	913
914		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
915	915
	1118	+(((
	1119	+This feature support since firmware v1.4
	1120	+)))
916	916
917		-* 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.
918	918
919		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1125	+
	1126	+)))
920	920
921		-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" %)​
922	922
	1130	+(((
	1131	+To enable the listening mode, use can run the command AT+RXMODE.
	1132	+)))
923	923
	1134	+(((
	1135	+
	1136	+)))
924	924
	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	+)))
925	925
926		-1.
927		-11. Buttons
	1165	+(((
	1166	+(% style="color:#037691" %)** Downlink Command:**
	1167	+)))
928	928
929		-|**Button**|**Feature**
930		-|**RST**|Reboot RS485-BL
	1169	+(((
	1170	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1171	+)))
931	931
932		-1.
933		-11. +3V3 Output
	1173	+(((
	1174	+
	1175	+)))
934	934
935		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1177	+(((
	1178	+**Example**:
	1179	+)))
936	936
937		-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	+)))
938	938
	1185	+(((
	1186	+There is a two Modbus commands in the RS485 network as below:
	1187	+)))
939	939
940		-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	+)))
941	941
942		-**AT+3V3T=1000**
	1193	+(((
	1194	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1195	+)))
943	943
944		-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	+)))
945	945
	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	+)))
946	946
947		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1205	+(((
	1206	+
	1207	+)))
948	948
	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	+)))
949	949
950		-1.
951		-11. +5V Output
952	952
953		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
954	954
955		-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 ==
956	956
957	957
958		-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"]]
959	959
960		-**AT+5VT=1000**
961	961
962		-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 ==
963	963
964	964
965		-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.
966	966
967	967
	1236	+= 4. Case Study =
968	968
969	969
970		-1.
971		-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]]
972	972
973		-|**LEDs**|**Feature**
974		-|**LED1**|Blink when device transmit a packet.
975	975
976		-1.
977		-11. Switch Jumper
978	978
979		-|**Switch Jumper**|**Feature**
980		-|**SW1**|(((
981		-ISP position: Upgrade firmware via UART
	1243	+= 5. Use AT Command =
982	982
983		-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.
984	984	)))
985		-|**SW2**|(((
986		-5V position: set to compatible with 5v I/O.
987	987
988		-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:
989	989	)))
990	990
991		-+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" %)​
992	992
993		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
994	994
995		-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	+)))
996	996
997		-User can check this URL for some case studies.
998	998
999		-[[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]]
1000	1000
	1268	+== 5.2 Common AT Command Sequence ==
1001	1001
1002	1002
	1271	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1003	1003
1004		-1. Use AT Command
1005		-11. Access AT Command
1006	1006
1007		-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:
1008	1008
1009		-[[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**
1010	1010
	1280	+(((
	1281	+
1011	1011
1012		-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:
1013	1013
1014		-[[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**
1015	1015
	1288	+
	1289	+)))
1016	1016
1017	1017
1018		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1019	1019
	1293	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1020	1020
1021	1021
1022		-1.
1023		-11. Common AT Command Sequence
1024		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1296	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1025	1025
1026		-If device has not joined network yet:
	1298	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1027	1027
1028		-AT+FDR
	1300	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1029	1029
1030		-AT+NJM=0
	1302	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1031	1031
1032		-ATZ
	1304	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1033	1033
	1306	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1034	1034
1035		-If device already joined network:
	1308	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1036	1036
1037		-AT+NJM=0
	1310	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1038	1038
1039		-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.
1040	1040
1041		-1.
1042		-11.
1043		-111. Single-channel ABP mode (Use with LG01/LG02)
	1314	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1044	1044
1045		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1046	1046
1047		-AT+NJM=0 Set to ABP mode
	1317	+(% style="color:red" %)**Note:**
1048	1048
1049		-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	+)))
1050	1050
1051		-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" %)​
1052	1052
1053		-AT+TDC=60000  Set transmit interval to 60 seconds
1054	1054
1055		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1056	1056
1057		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1330	+= 6. FAQ =
1058	1058
1059		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1332	+== 6.1 How to upgrade the image? ==
1060	1060
1061		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1062	1062
1063		-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	+)))
1064	1064
1065		-**Note:**
	1339	+* (((
	1340	+Support new features
	1341	+)))
	1342	+* (((
	1343	+For bug fix
	1344	+)))
	1345	+* (((
	1346	+Change LoRaWAN bands.
	1347	+)))
1066	1066
1067		-1. Make sure the device is set to ABP mode in the IoT Server.
1068		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1069		-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.
1070		-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	+)))
1071	1071
1072		-[[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" %)​
1073	1073
	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	+)))
1074	1074
1075		-1. FAQ
1076		-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	+)))
1077	1077
1078		-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	+)))
1079	1079
1080		-* Support new features
1081		-* For bug fix
1082		-* 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	+)))
1083	1083
1084		-Below shows the hardware connection for how to upload an image to RS485-BL:
1085	1085
1086		-[[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" %)​
1087	1087
1088		-**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]].
1089	1089
1090		-**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" %)​
1091	1091
1092		-**Step3: **Open flashloader; choose the correct COM port to update.
1093	1093
	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" %)​
1094	1094
1095		-|(((
1096		-HOLD PRO then press the RST button, SYS will be ON, then click next
1097		-)))
1098	1098
1099		-|(((
1100		-Board detected
1101		-)))
	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:**
1102	1102
1103		-|(((
1104		-
1105		-)))
	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" %)​
1106	1106
1107		-[[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]]
1108	1108
1109	1109
	1391	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1110	1110
1111		-[[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]]
1112	1112
	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.
1113	1113
1114		-[[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]]
1115	1115
1116	1116
1117		-1.
1118		-11. How to change the LoRa Frequency Bands/Region?
	1398	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1119	1119
1120		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1121	1121
	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"]].
1122	1122
1123	1123
1124		-1.
1125		-11. How many RS485-Slave can RS485-BL connects?
1126	1126
1127		-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 ? ==
1128	1128
1129	1129
	1408	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1130	1130
	1410	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1131	1131
1132		-1. Trouble Shooting
1133		-11. Downlink doesn’t work, how to solve it?
1134	1134
1135		-Please see this link for debug:
1136	1136
1137		-[[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? ==
1138	1138
1139	1139
	1417	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1140	1140
1141		-1.
1142		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1143	1143
1144		-It might about the channels mapping. Please see for detail.
1145	1145
1146		-[[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? ==
1147	1147
1148	1148
	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/]]
1149	1149
1150		-1. Order Info
1151	1151
1152		-**Part Number: RS485-BL-XXX**
1153	1153
1154		-**XXX:**
	1428	+= 7. Trouble Shooting =
1155	1155
1156		-* **EU433**: frequency bands EU433
1157		-* **EU868**: frequency bands EU868
1158		-* **KR920**: frequency bands KR920
1159		-* **CN470**: frequency bands CN470
1160		-* **AS923**: frequency bands AS923
1161		-* **AU915**: frequency bands AU915
1162		-* **US915**: frequency bands US915
1163		-* **IN865**: frequency bands IN865
1164		-* **RU864**: frequency bands RU864
1165		-* **KZ865: **frequency bands KZ865
1166	1166
1167		-1. Packing Info
	1431	+== 7.1 Downlink doesn't work, how to solve it? ==
1168	1168
	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	+
1169	1169	**Package Includes**:
1170	1170
1171		-* RS485-BL x 1
	1470	+* RS485-LN x 1
1172	1172	* Stick Antenna for LoRa RF part x 1
1173	1173	* Program cable x 1
1174	1174
...	...	@@ -1179,9 +1179,68 @@
1179	1179	* Package Size / pcs : 14.5 x 8 x 5 cm
1180	1180	* Weight / pcs : 170g
1181	1181
1182		-1. Support
1183	1183
1184		-* 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.
1185		-* 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
1186	1186
1187		-[[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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