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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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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	2	+(((
	3	+(% data-widget="image" style="text-align:center" %)
	4	+[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
3	3
	6	+(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	12	+
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	14	+
9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
11	11
12	12
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	22	+(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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	30	+
15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
20	20	(((
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	39	+
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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23	23
24	24	(((
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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.
26	26	)))
	48	+)))
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.
30	30	)))
	54	+)))
31	31
32	32	(((
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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.
	59	+)))
34	34
	61	+(((
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"]]
	69	+(% 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 ==
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	107	+* Packet engine up to 256 bytes with CRC
78	78
	109	+
	110	+
79	79	== 1.3 Features ==
80	80
81	81	* LoRaWAN Class A & Class C protocol (default Class C)
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87	87	* Support Modbus protocol
88	88	* Support Interrupt uplink (Since hardware version v1.2)
89	89
	122	+
	123	+
90	90	== 1.4 Applications ==
91	91
92	92	* Smart Buildings & Home Automation
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96	96	* Smart Cities
97	97	* Smart Factory
98	98
	133	+
	134	+
99	99	== 1.5 Firmware Change log ==
100	100
101	101	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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105	105
106	106	(((
107	107	(((
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108	108	v1.2: Add External Interrupt Pin.
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109	109
	148	+(((
110	110	v1.0: Release
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111	111
112	112
113	113	)))
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125	125	Once there is power, the RS485-LN will be on.
126	126	)))
127	127
128		-[[image:1653268091319-405.png]]
	168	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
129	129
130	130
131	131	)))
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135	135	== 3.1 How it works? ==
136	136
137	137	(((
	178	+(((
138	138	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
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139	139
140	140
141	141	)))
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144	144
145	145	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
146	146
147		-[[image:1653268155545-638.png||height="334" width="724"]]
	189	+(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" 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" %)​
148	148
149	149
150	150	(((
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156	156	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
157	157	)))
158	158
159		-[[image:1653268227651-549.png||height="592" width="720"]]
	201	+(% 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" %)​
160	160
	203	+
161	161	(((
162		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	205	+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:
163	163	)))
164	164
165	165	(((
166		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	209	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
167	167	)))
168	168
169	169	(((
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171	171	)))
172	172	)))
173	173
174		-[[image:1652953462722-299.png]]
	217	+(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.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" %)​
175	175
	219	+
176	176	(((
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178	178	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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179	179	)))
180	180
181	181	(((
182		-Add APP EUI in the application.
	226	+**Add APP EUI in the application.**
183	183	)))
184	184	)))
185	185
186		-[[image:image-20220519174512-1.png]]
	230	+(% 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" %)​
187	187
188		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	232	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" 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" %)​
189	189
190		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	234	+(% 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" %)​
191	191
192		-[[image:image-20220519174512-4.png]]
	236	+(% 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" %)​
193	193
194	194	You can also choose to create the device manually.
195	195
196		-[[image:1652953542269-423.png||height="710" width="723"]]
	240	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
197	197
198		-Add APP KEY and DEV EUI
199	199
200		-[[image:1652953553383-907.png||height="514" width="724"]]
201	201
	244	+**Add APP KEY and DEV EUI**
202	202
	246	+(% 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" %)​
	247	+
	248	+
203	203	(((
204		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	250	+(% 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.
205	205	)))
206	206
207		-[[image:1652953568895-172.png||height="232" width="724"]]
	253	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
208	208
209	209
210	210	== 3.3 Configure Commands to read data ==
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211	211
212	212	(((
213	213	(((
214		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	260	+(((
	261	+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.
215	215	)))
	263	+)))
216	216
217	217	(((
	266	+(((
218	218	(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	268	+)))
219	219
220	220
221	221	)))
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225	225
226	226	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
227	227
228		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229		-|(% style="width:128px" %)(((
	278	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	279	+|=(% style="width: 110px;" %)(((
230	230	**AT Commands**
231		-)))|(% style="width:305px" %)(((
	281	+)))|=(% style="width: 190px;" %)(((
232	232	**Description**
233		-)))|(% style="width:346px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
234	234	**Example**
235	235	)))
236		-|(% style="width:128px" %)(((
	286	+|(% style="width:110px" %)(((
237	237	AT+BAUDR
238		-)))|(% style="width:305px" %)(((
	288	+)))|(% style="width:190px" %)(((
239	239	Set the baud rate (for RS485 connection). Default Value is: 9600.
240		-)))|(% style="width:346px" %)(((
	290	+)))|(% style="width:190px" %)(((
241	241	(((
242	242	AT+BAUDR=9600
243	243	)))
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246	246	Options: (1200,2400,4800,14400,19200,115200)
247	247	)))
248	248	)))
249		-|(% style="width:128px" %)(((
	299	+|(% style="width:110px" %)(((
250	250	AT+PARITY
251		-)))|(% style="width:305px" %)(((
	301	+)))|(% style="width:190px" %)(((
252	252	Set UART parity (for RS485 connection)
253		-)))|(% style="width:346px" %)(((
	303	+)))|(% style="width:190px" %)(((
254	254	(((
255	255	AT+PARITY=0
256	256	)))
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259	259	Option: 0: no parity, 1: odd parity, 2: even parity
260	260	)))
261	261	)))
262		-|(% style="width:128px" %)(((
	312	+|(% style="width:110px" %)(((
263	263	AT+STOPBIT
264		-)))|(% style="width:305px" %)(((
	314	+)))|(% style="width:190px" %)(((
265	265	(((
266	266	Set serial stopbit (for RS485 connection)
267	267	)))
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269	269	(((
270	270
271	271	)))
272		-)))|(% style="width:346px" %)(((
	322	+)))|(% style="width:190px" %)(((
273	273	(((
274	274	AT+STOPBIT=0 for 1bit
275	275	)))
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283	283	)))
284	284	)))
285	285
	336	+
	337	+
	338	+
286	286	=== 3.3.2 Configure sensors ===
287	287
288	288	(((
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291	291	)))
292	292	)))
293	293
294		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296		-|AT+CFGDEV|(% style="width:418px" %)(((
	347	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	348	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	349	+|AT+CFGDEV|(% style="width:110px" %)(((
	350	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	352	+)))
298	298
	354	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	356	+)))
300	300
	358	+(((
301	301	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	360	+)))
	361	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
	363	+
	364	+
	365	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
305	305
306	306	(((
...	...	@@ -313,7 +313,7 @@
313	313	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314	314
315	315
316		-**Each RS485 commands include two parts:**
	378	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
318	318	~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
319	319
...	...	@@ -324,15 +324,14 @@
324	324
325	325	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
326	326
327		-
328	328	Below are examples for the how above AT Commands works.
329	329
330	330
331		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	392	+(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
332	332
333	333	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
334	334	|(% style="width:496px" %)(((
335		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	396	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
336	336
337	337	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
338	338
...	...	@@ -344,10 +344,10 @@
344	344	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
345	345
346	346
347		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	408	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348	348
349		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350		-|(% style="width:722px" %)(((
	410	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	411	+|(% style="width:510px" %)(((
351	351	**AT+DATACUTx=a,b,c**
352	352
353	353	* **a: length for the return of AT+COMMAND**
...	...	@@ -357,20 +357,21 @@
357	357
358	358	**Examples:**
359	359
360		-* Grab bytes:
	421	+* (% style="color:#037691" %)**Grab bytes**
361	361
362		-[[image:image-20220602153621-1.png]]
	423	+(% 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" %)​
363	363
364	364
365		-* Grab a section.
	426	+* (% style="color:#037691" %)**Grab a section**
366	366
367		-[[image:image-20220602153621-2.png]]
	428	+(% 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" %)​
368	368
369	369
370		-* Grab different sections.
	431	+* (% style="color:#037691" %)**Grab different sections**
371	371
372		-[[image:image-20220602153621-3.png]]
	433	+(% 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" %)​
373	373
	435	+
374	374
375	375	)))
376	376
...	...	@@ -404,7 +404,7 @@
404	404	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
405	405	)))
406	406
407		-[[image:1653269759169-150.png||height="513" width="716"]]
	469	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
408	408
409	409
410	410	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -416,12 +416,13 @@
416	416
417	417	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418	418
	481	+
419	419	1. PAYVER: Defined by AT+PAYVER
420	420	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421	421	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422	422	1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
423	423
424		-[[image:image-20220602155039-4.png]]
	487	+(% 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" %)​
425	425
426	426
427	427	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -446,9 +446,10 @@
446	446
447	447	Below are the uplink payloads:
448	448
449		-[[image:1654157178836-407.png]]
	512	+(% 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" %)​
450	450
451	451
	515	+
452	452	=== 3.3.5 Uplink on demand ===
453	453
454	454	Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
...	...	@@ -465,633 +465,888 @@
465	465
466	466	RS485-LN support external Interrupt uplink since hardware v1.2 release.
467	467
468		-[[image:1654157342174-798.png]]
	532	+(% 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" %)​
469	469
470	470	Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
471	471
472	472
473		-1.
474		-11. Uplink Payload
	537	+== 3.4 Uplink Payload ==
475	475
476		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477		-|Value|(((
478		-Battery(mV)
479	479
480		-&
	540	+(% 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" %)​
481	481
482		-Interrupt _Flag
483		-)))|(((
484		-PAYLOAD_VER
485		-
486		-
487		-)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488		-
489	489	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490	490
491	491
492		-function Decoder(bytes, port) {
	545	+== 3.5 Configure RS485-LN via AT or Downlink ==
493	493
494		-~/~/Payload Formats of RS485-BL Deceive
	547	+(((
	548	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	549	+)))
495	495
496		-return {
	551	+(((
	552	+There are two kinds of Commands:
	553	+)))
497	497
498		- ~/~/Battery,units:V
	555	+* (((
	556	+(% 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]]
	557	+)))
499	499
500		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	559	+* (((
	560	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	561	+)))
501	501
502		- ~/~/GPIO_EXTI
	563	+(((
	564	+
	565	+)))
503	503
504		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505	505
506		- ~/~/payload of version
	568	+=== 3.5.1 Common Commands ===
507	507
508		- Pay_ver:bytes[2],
	570	+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]]
509	509
510		- };
511	511
512		- }
	573	+=== 3.5.2 Sensor related commands ===
513	513
	575	+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.
514	514
	577	+(% 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"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
515	515
	579	+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)
516	516
517	517
	582	+=== 3.5.3 Sensor related commands ===
518	518
519	519
520		-TTN V3 uplink screen shot.
521	521
522		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523	523
524		-1.
525		-11. Configure RS485-BL via AT or Downlink
	587	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
526	526
527		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	589	+(((
	590	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	591	+)))
528	528
529		-There are two kinds of Commands:
	593	+* (((
	594	+(% style="color:#037691" %)**AT Command**
530	530
531		-* **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
	596	+(((
	597	+**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
	598	+)))
	599	+)))
532	532
533		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	601	+(((
	602	+
	603	+)))
534	534
535		-1.
536		-11.
537		-111. Common Commands:
	605	+* (((
	606	+(% style="color:#037691" %)**Downlink Payload**
	607	+)))
538	538
539		-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]]
	609	+(((
	610	+Format: A8 MM NN XX XX XX XX YY
	611	+)))
540	540
	613	+(((
	614	+Where:
	615	+)))
541	541
542		-1.
543		-11.
544		-111. Sensor related commands:
	617	+* (((
	618	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	619	+)))
	620	+* (((
	621	+NN: The length of RS485 command
	622	+)))
	623	+* (((
	624	+XX XX XX XX: RS485 command total NN bytes
	625	+)))
	626	+* (((
	627	+(((
	628	+YY: How many bytes will be uplink from the return of this RS485 command,
	629	+)))
545	545
546		-==== Choose Device Type (RS485 or TTL) ====
	631	+* (((
	632	+if YY=0, RS485-LN will execute the downlink command without uplink;
	633	+)))
	634	+* (((
	635	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	636	+)))
	637	+* (((
	638	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	639	+)))
	640	+)))
547	547
548		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	642	+(((
	643	+
549	549
550		-* AT Command
	645	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	646	+)))
551	551
552		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	648	+(((
	649	+To connect a Modbus Alarm with below commands.
	650	+)))
553	553
554		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	652	+* (((
	653	+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.
	654	+)))
555	555
	656	+* (((
	657	+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.
	658	+)))
556	556
557		-* Downlink Payload
	660	+(((
	661	+
558	558
559		-**0A aa**     à same as AT+MOD=aa
	663	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	664	+)))
560	560
	666	+(((
	667	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	668	+)))
561	561
	670	+(((
	671	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	672	+)))
562	562
563		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	674	+(((
	675	+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.
	676	+)))
564	564
565		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	678	+(((
	679	+
	680	+)))
566	566
567		-* AT Command
	682	+(((
	683	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	684	+)))
568	568
569		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	686	+(((
	687	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	688	+)))
570	570
571		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	690	+(((
	691	+
	692	+)))
572	572
	694	+(((
	695	+(((
	696	+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**
	697	+)))
573	573
	699	+
	700	+)))
574	574
575		-* Downlink Payload
	702	+(((
	703	+ (% 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" %)​
	704	+)))
576	576
577		-Format: A8 MM NN XX XX XX XX YY
578	578
579		-Where:
580	580
581		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
582		-* NN: The length of RS485 command
583		-* XX XX XX XX: RS485 command total NN bytes
584		-* 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
585	585
586		-**Example 1:**
	709	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
587	587
588		-To connect a Modbus Alarm with below commands.
	711	+(((
	712	+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.
	713	+)))
589	589
590		-* 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	+(% style="color:#037691" %)**AT Command:**
591	591
592		-* 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.
	718	+**AT+PAYVER:  **Set PAYVER field = 1
593	593
594		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	720	+
	721	+)))
	722	+* (((
	723	+(% style="color:#037691" %)**Downlink Payload:**
	724	+)))
595	595
596		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	726	+(((
	727	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	728	+)))
597	597
598		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	730	+(((
	731	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	732	+)))
599	599
600		-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.
601	601
602	602
603		-**Example 2:**
604	604
605		-Check TTL Sensor return:
	737	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
606	606
607		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	739	+(((
	740	+AT+COMMANDx or AT+DATACUTx
	741	+)))
608	608
	743	+(((
	744	+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"]].
	745	+)))
609	609
	747	+(((
	748	+
	749	+)))
610	610
	751	+* (((
	752	+(% style="color:#037691" %)**AT Command:**
	753	+)))
611	611
612		-==== Set Payload version ====
	755	+**AT+COMMANDx:  **Configure RS485 read command to sensor.
613	613
614		-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.
	757	+**AT+DATACUTx:  **Configure how to handle return from RS485 devices.
615	615
616		-* AT Command:
617	617
618		-AT+PAYVER: Set PAYVER field = 1
	760	+* (((
	761	+(% style="color:#037691" %)**Downlink Payload:**
	762	+)))
619	619
	764	+(((
	765	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	766	+)))
620	620
621		-* Downlink Payload:
	768	+(((
	769	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	770	+)))
622	622
623		-0xAE 01   à Set PAYVER field =  0x01
	772	+(((
	773	+Format: AF MM NN LL XX XX XX XX YY
	774	+)))
624	624
625		-0xAE 0F   à Set PAYVER field =  0x0F
	776	+(((
	777	+Where:
	778	+)))
626	626
	780	+* (((
	781	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	782	+)))
	783	+* (((
	784	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	785	+)))
	786	+* (((
	787	+LL:  The length of AT+COMMAND or AT+DATACUT command
	788	+)))
	789	+* (((
	790	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	791	+)))
	792	+* (((
	793	+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.
	794	+)))
627	627
628		-==== Set RS485 Sampling Commands ====
	796	+(((
	797	+
629	629
630		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	799	+**Example:**
	800	+)))
631	631
632		-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]].
	802	+(((
	803	+(% 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
	804	+)))
633	633
	806	+(((
	807	+(% 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**
	808	+)))
634	634
635		-* AT Command:
	810	+(((
	811	+(% 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**
	812	+)))
636	636
637		-AT+COMMANDx: Configure RS485 read command to sensor.
638	638
639		-AT+DATACUTx: Configure how to handle return from RS485 devices.
640	640
641		-AT+SEARCHx: Configure search command
642	642
	817	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
643	643
644		-* Downlink Payload:
	819	+(((
	820	+**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]].
	821	+)))
645	645
646		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	823	+(((
	824	+This command is valid since v1.3 firmware version
	825	+)))
647	647
648		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	827	+(((
	828	+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.
	829	+)))
649	649
650		-Format: AF MM NN LL XX XX XX XX YY
	831	+(((
	832	+
	833	+)))
651	651
652		-Where:
	835	+(((
	836	+**Example:**
	837	+)))
653	653
654		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
655		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656		-* LL: The length of AT+COMMAND or AT+DATACUT command
657		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
658		-* 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	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	841	+)))
	842	+* (((
	843	+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.
	844	+)))
	845	+* (((
	846	+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.
659	659
660		-Example:
	848	+
	849	+)))
661	661
662		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	851	+(% 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" %)​
663	663
664		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	853	+(% 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" %)​
665	665
666		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
667	667
668	668
669		-0xAB downlink command can be used for set AT+SEARCHx
670	670
671		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	858	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
672	672
673		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674		-* 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	+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.
	862	+)))
675	675
676		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	864	+(((
	865	+Default value: 0, range:  0 ~~ 65 seconds
	866	+)))
677	677
	868	+* (((
	869	+(% style="color:#037691" %)** AT Command:**
678	678
679		-==== Fast command to handle MODBUS device ====
	871	+**AT+CMDDLaa=hex(bb cc)*1000**
	872	+)))
680	680
681		-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]].
	874	+(((
	875	+
682	682
683		-This command is valid since v1.3 firmware version
	877	+**Example:**
	878	+)))
684	684
	880	+(((
	881	+**AT+CMDDL1=1000** to send the open time to 1000ms
	882	+)))
685	685
686		-AT+MBFUN has only two value:
	884	+(((
	885	+
	886	+)))
687	687
688		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	888	+* (((
	889	+(% style="color:#037691" %)** Downlink Payload:**
	890	+)))
689	689
690		-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.
	892	+(((
	893	+**0x AA aa bb cc**
	894	+)))
691	691
692		-* AT+MBFUN=0: Disable Modbus fast reading.
	896	+(((
	897	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	898	+)))
693	693
694		-Example:
	900	+(((
	901	+**Example:**
	902	+)))
695	695
696		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697		-* 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.
698		-* 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.
	904	+(((
	905	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	906	+)))
699	699
700		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
701	701
702	702
703		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
704	704
	911	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
705	705
706		-* Downlink Commands:
	913	+(((
	914	+Define to use one uplink or multiple uplinks for the sampling.
	915	+)))
707	707
708		-A9 aa -à Same as AT+MBFUN=aa
	917	+(((
	918	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
709	709
	920	+
	921	+)))
710	710
711		-==== RS485 command timeout ====
	923	+* (((
	924	+(% style="color:#037691" %)** AT Command:**
	925	+)))
712	712
713		-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.
	927	+**AT+DATAUP=0**
714	714
715		-Default value: 0, range:  0 ~~ 5 seconds
	929	+**AT+DATAUP=1**
716	716
717	717
718		-* AT Command:
	932	+* (((
	933	+(% style="color:#037691" %)** Downlink Payload:**
	934	+)))
719	719
720		-AT+CMDDLaa=hex(bb cc)
	936	+(((
	937	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	938	+)))
721	721
722		-Example:
	940	+(((
	941	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	942	+)))
723	723
724		-**AT+CMDDL1=1000** to send the open time to 1000ms
725	725
726	726
727		-* Downlink Payload:
728	728
729		-0x AA aa bb cc
	947	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
730	730
731		-Same as: AT+CMDDLaa=hex(bb cc)
	949	+(((
	950	+Ask device to send an uplink immediately.
	951	+)))
732	732
733		- Example:
	953	+* (((
	954	+(% style="color:#037691" %)** AT Command:**
	955	+)))
734	734
735		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	957	+(((
	958	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	959	+)))
736	736
	961	+(((
	962	+
	963	+)))
737	737
738		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	965	+* (((
	966	+(% style="color:#037691" %)** Downlink Payload:**
	967	+)))
739	739
740		-Define to use one uplink or multiple uplinks for the sampling.
	969	+(((
	970	+**0x08 FF**, RS485-LN will immediately send an uplink.
	971	+)))
741	741
742		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
743	743
744		-* AT Command:
745	745
746		-AT+DATAUP=0
747	747
748		-AT+DATAUP=1
	976	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
749	749
750		-
751		-* Downlink Payload:
752		-
753		-0xAD 00   à Same as AT+DATAUP=0
754		-
755		-0xAD 01   à Same as AT+DATAUP=1
756		-
757		-
758		-==== Manually trigger an Uplink ====
759		-
760		-Ask device to send an uplink immediately.
761		-
762		-* Downlink Payload:
763		-
764		-0x08 FF, RS485-BL will immediately send an uplink.
765		-
766		-
767		-==== Clear RS485 Command ====
768		-
	978	+(((
769	769	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
770	770
	981	+
	982	+)))
771	771
772		-* AT Command:
	984	+* (((
	985	+(% style="color:#037691" %)** AT Command:**
	986	+)))
773	773
	988	+(((
774	774	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	990	+)))
775	775
	992	+(((
776	776	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	994	+)))
777	777
	996	+(((
778	778	Example screen shot after clear all RS485 commands.
	998	+)))
779	779
	1000	+(((
	1001	+
	1002	+)))
780	780
781		-
	1004	+(((
782	782	The uplink screen shot is:
	1006	+)))
783	783
784		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1008	+(% 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" %)​
785	785
786	786
787		-* Downlink Payload:
	1011	+* (((
	1012	+(% style="color:#037691" %)** Downlink Payload:**
	1013	+)))
788	788
789		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1015	+(((
	1016	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1017	+)))
790	790
791	791
792		-==== Set Serial Communication Parameters ====
793	793
794		-Set the Rs485 serial communication parameters:
795	795
796		-* AT Command:
	1022	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
797	797
798		-Set Baud Rate:
	1024	+(((
	1025	+Set the Rs485 serial communication parameters:
	1026	+)))
799	799
800		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1028	+* (((
	1029	+(% style="color:#037691" %)** AT Command:**
	1030	+)))
801	801
	1032	+(((
	1033	+
802	802
803		-Set UART parity
	1035	+* Set Baud Rate
	1036	+)))
804	804
805		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1038	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
806	806
807	807
808		-Set STOPBIT
	1041	+(((
	1042	+* Set UART Parity
	1043	+)))
809	809
810		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1045	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
811	811
812	812
813		-* Downlink Payload:
	1048	+(((
	1049	+* Set STOPBIT
	1050	+)))
814	814
815		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1052	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
816	816
817		-Example:
818	818
819		-* A7 01 00 60   same as AT+BAUDR=9600
820		-* A7 01 04 80  same as AT+BAUDR=115200
821	821
822		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1056	+* (((
	1057	+(% style="color:#037691" %)** Downlink Payload:**
	1058	+)))
823	823
824		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1060	+(((
	1061	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1062	+)))
825	825
	1064	+(((
	1065	+**Example:**
	1066	+)))
826	826
827		-==== Control output power duration ====
	1068	+* (((
	1069	+A7 01 00 60   same as AT+BAUDR=9600
	1070	+)))
	1071	+* (((
	1072	+A7 01 04 80  same as AT+BAUDR=115200
	1073	+)))
828	828
829		-User can set the output power duration before each sampling.
	1075	+(((
	1076	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1077	+)))
830	830
831		-* AT Command:
	1079	+(((
	1080	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1081	+)))
832	832
833		-Example:
834	834
835		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
836	836
837		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
838	838
	1086	+== 3.6 Listening mode for RS485 network ==
839	839
840		-* LoRaWAN Downlink Command:
	1088	+(((
	1089	+This feature support since firmware v1.4
	1090	+)))
841	841
842		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1092	+(((
	1093	+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.
	1094	+)))
843	843
844		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1096	+(% 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" %)​
845	845
	1098	+(((
	1099	+To enable the listening mode, use can run the command AT+RXMODE.
	1100	+)))
846	846
	1102	+(((
	1103	+
	1104	+)))
847	847
	1106	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1107	+|=(% style="width: 100px;" %)(((
	1108	+**Command example**
	1109	+)))|=(% style="width: 400px;" %)(((
	1110	+**Function**
	1111	+)))
	1112	+|(% style="width:100px" %)(((
	1113	+AT+RXMODE=1,10
	1114	+)))|(% style="width:400px" %)(((
	1115	+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.
	1116	+)))
	1117	+|(% style="width:100px" %)(((
	1118	+AT+RXMODE=2,500
	1119	+)))|(% style="width:400px" %)(((
	1120	+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
	1121	+)))
	1122	+|(% style="width:100px" %)(((
	1123	+AT+RXMODE=0,0
	1124	+)))|(% style="width:400px" %)(((
	1125	+Disable listening mode. This is the default settings.
	1126	+)))
	1127	+|(% style="width:100px" %)(((
	1128	+
	1129	+)))|(% style="width:400px" %)(((
	1130	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1131	+)))
848	848
849		-1.
850		-11. Buttons
	1133	+(((
	1134	+**Downlink Command:**
	1135	+)))
851	851
852		-|**Button**|**Feature**
853		-|**RST**|Reboot RS485-BL
	1137	+(((
	1138	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1139	+)))
854	854
855		-1.
856		-11. +3V3 Output
	1141	+(((
	1142	+
	1143	+)))
857	857
858		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1145	+(((
	1146	+**Example**:
	1147	+)))
859	859
860		-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.
	1149	+(((
	1150	+The RS485-LN is set to AT+RXMODE=2,1000
	1151	+)))
861	861
	1153	+(((
	1154	+There is a two Modbus commands in the RS485 network as below:
	1155	+)))
862	862
863		-The +3V3 output time can be controlled by AT Command.
	1157	+(((
	1158	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1159	+)))
864	864
865		-**AT+3V3T=1000**
	1161	+(((
	1162	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1163	+)))
866	866
867		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1165	+(((
	1166	+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
	1167	+)))
868	868
	1169	+(((
	1170	+(% 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" %)​
	1171	+)))
869	869
870		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1173	+(((
	1174	+
	1175	+)))
871	871
	1177	+(((
	1178	+(((
	1179	+(% 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.
	1180	+)))
	1181	+)))
872	872
873		-1.
874		-11. +5V Output
875	875
876		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1184	+== 3.7 Buttons ==
877	877
878		-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.
879	879
	1187	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1188	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1189	+|(% 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**
	1190	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1191	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
880	880
881		-The 5V output time can be controlled by AT Command.
	1193	+== 3.8 LEDs ==
882	882
883		-**AT+5VT=1000**
884	884
885		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1196	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1197	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1198	+|**PWR**|Always on if there is power
	1199	+|**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.
886	886
	1201	+= 4. Case Study =
887	887
888		-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.
	1203	+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]]
889	889
890	890
	1206	+= 5. Use AT Command =
891	891
	1208	+== 5.1 Access AT Command ==
892	892
893		-1.
894		-11. LEDs
	1210	+(((
	1211	+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.
	1212	+)))
895	895
896		-|**LEDs**|**Feature**
897		-|**LED1**|Blink when device transmit a packet.
	1214	+(% 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" %)​
898	898
899		-1.
900		-11. Switch Jumper
901	901
902		-|**Switch Jumper**|**Feature**
903		-|**SW1**|(((
904		-ISP position: Upgrade firmware via UART
905		-
906		-Flash position: Configure device, check running status.
	1217	+(((
	1218	+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:
907	907	)))
908		-|**SW2**|(((
909		-5V position: set to compatible with 5v I/O.
910	910
911		-3.3v position: set to compatible with 3.3v I/O.,
912		-)))
	1221	+(% 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" %)​
913	913
914		-+3.3V: is always ON
915	915
916		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1224	+(((
	1225	+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/]]
	1226	+)))
917	917
918		-1. Case Study
919	919
920		-User can check this URL for some case studies.
921	921
922		-[[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]]
	1230	+== 5.2 Common AT Command Sequence ==
923	923
	1232	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
924	924
	1234	+If device has not joined network yet:
925	925
	1236	+(% class="box infomessage" %)
	1237	+(((
	1238	+**AT+FDR**
	1239	+)))
926	926
927		-1. Use AT Command
928		-11. Access AT Command
	1241	+(% class="box infomessage" %)
	1242	+(((
	1243	+**AT+NJM=0**
	1244	+)))
929	929
930		-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.
	1246	+(% class="box infomessage" %)
	1247	+(((
	1248	+**ATZ**
	1249	+)))
931	931
932		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
933	933
	1252	+(((
	1253	+If device already joined network:
	1254	+)))
934	934
935		-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:
	1256	+(% class="box infomessage" %)
	1257	+(((
	1258	+**AT+NJM=0**
	1259	+)))
936	936
937		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1261	+(% class="box infomessage" %)
	1262	+(((
	1263	+**ATZ**
	1264	+)))
938	938
939	939
	1267	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
940	940
941		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
942	942
	1270	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
943	943
	1272	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
944	944
945		-1.
946		-11. Common AT Command Sequence
947		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1274	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
948	948
949		-If device has not joined network yet:
	1276	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
950	950
951		-AT+FDR
	1278	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
952	952
953		-AT+NJM=0
	1280	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
954	954
955		-ATZ
	1282	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
956	956
	1284	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
957	957
958		-If device already joined network:
	1286	+(% 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.
959	959
960		-AT+NJM=0
	1288	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
961	961
962		-ATZ
963	963
964		-1.
965		-11.
966		-111. Single-channel ABP mode (Use with LG01/LG02)
	1291	+(% style="color:red" %)**Note:**
967	967
968		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1293	+(((
	1294	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1295	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1296	+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.
	1297	+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
	1298	+)))
969	969
970		-AT+NJM=0 Set to ABP mode
	1300	+(% 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" %)​
971	971
972		-AT+ADR=0 Set the Adaptive Data Rate Off
973	973
974		-AT+DR=5  Set Data Rate
	1303	+= 6. FAQ =
975	975
976		-AT+TDC=60000  Set transmit interval to 60 seconds
	1305	+== 6.1 How to upgrade the image? ==
977	977
978		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1307	+(((
	1308	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1309	+)))
979	979
980		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1311	+* (((
	1312	+Support new features
	1313	+)))
	1314	+* (((
	1315	+For bug fix
	1316	+)))
	1317	+* (((
	1318	+Change LoRaWAN bands.
	1319	+)))
981	981
982		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1321	+(((
	1322	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1323	+)))
983	983
984		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1325	+(% 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" %)​
985	985
986		-ATZ          Reset MCU
987		-
988		-**Note:**
989		-
990		-1. Make sure the device is set to ABP mode in the IoT Server.
991		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992		-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.
993		-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
994		-
995		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
996		-
997		-
998		-1. FAQ
999		-11. How to upgrade the image?
1000		-
1001		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1002		-
1003		-* Support new features
1004		-* For bug fix
1005		-* Change LoRaWAN bands.
1006		-
1007		-Below shows the hardware connection for how to upload an image to RS485-BL:
1008		-
1009		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1010		-
	1327	+(((
1011	1011	**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]].
	1329	+)))
1012	1012
	1331	+(((
1013	1013	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1333	+)))
1014	1014
	1335	+(((
1015	1015	**Step3: **Open flashloader; choose the correct COM port to update.
1016		-
1017		-
1018		-|(((
1019		-HOLD PRO then press the RST button, SYS will be ON, then click next
1020	1020	)))
1021	1021
1022		-|(((
1023		-Board detected
	1339	+(((
	1340	+(((
	1341	+(((
	1342	+(% 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.
1024	1024	)))
1025		-
1026		-|(((
1027		-
1028	1028	)))
	1345	+)))
1029	1029
1030		-[[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]]
1031	1031
	1348	+(% 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" %)​
1032	1032
1033	1033
1034		-[[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]]
	1351	+(% 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" %)​
1035	1035
1036	1036
1037		-[[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]]
	1354	+(% 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" %)​
1038	1038
1039	1039
1040		-1.
1041		-11. How to change the LoRa Frequency Bands/Region?
	1357	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1042	1042
1043		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1359	+(% 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" %)​
1044	1044
1045	1045
	1362	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1046	1046
1047		-1.
1048		-11. How many RS485-Slave can RS485-BL connects?
	1364	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1049	1049
1050		-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]].
1051	1051
	1367	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1052	1052
	1369	+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"]].
1053	1053
1054	1054
1055		-1. Trouble Shooting
1056		-11. Downlink doesn’t work, how to solve it?
	1372	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1057	1057
1058		-Please see this link for debug:
	1374	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1059	1059
1060		-[[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]]
	1376	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1061	1061
1062	1062
	1379	+= 7. Trouble Shooting =
1063	1063
1064		-1.
1065		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1381	+== 7.1 Downlink doesn’t work, how to solve it? ==
1066	1066
1067		-It might about the channels mapping. Please see for detail.
	1383	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1068	1068
1069		-[[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]]
1070	1070
	1386	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1071	1071
	1388	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1072	1072
1073		-1. Order Info
1074	1074
1075		-**Part Number: RS485-BL-XXX**
	1391	+= 8. Order Info =
1076	1076
1077		-**XXX:**
	1393	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1078	1078
1079		-* **EU433**: frequency bands EU433
1080		-* **EU868**: frequency bands EU868
1081		-* **KR920**: frequency bands KR920
1082		-* **CN470**: frequency bands CN470
1083		-* **AS923**: frequency bands AS923
1084		-* **AU915**: frequency bands AU915
1085		-* **US915**: frequency bands US915
1086		-* **IN865**: frequency bands IN865
1087		-* **RU864**: frequency bands RU864
1088		-* **KZ865: **frequency bands KZ865
	1395	+(% style="color:blue" %)**XXX:**
1089	1089
1090		-1. Packing Info
	1397	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1398	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1399	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1400	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1401	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1402	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1403	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1404	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1405	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1406	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1091	1091
	1408	+= 9.Packing Info =
	1409	+
	1410	+
1092	1092	**Package Includes**:
1093	1093
1094		-* RS485-BL x 1
	1413	+* RS485-LN x 1
1095	1095	* Stick Antenna for LoRa RF part x 1
1096	1096	* Program cable x 1
1097	1097
...	...	@@ -1102,9 +1102,62 @@
1102	1102	* Package Size / pcs : 14.5 x 8 x 5 cm
1103	1103	* Weight / pcs : 170g
1104	1104
1105		-1. Support
	1424	+= 10. FCC Caution for RS485LN-US915 =
1106	1106
1107		-* 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.
1108		-* 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
	1426	+(((
	1427	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1428	+)))
1109	1109
1110		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1430	+(((
	1431	+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.
	1432	+)))
	1433	+
	1434	+(((
	1435	+
	1436	+)))
	1437	+
	1438	+(((
	1439	+**IMPORTANT NOTE:**
	1440	+)))
	1441	+
	1442	+(((
	1443	+**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:
	1444	+)))
	1445	+
	1446	+(((
	1447	+—Reorient or relocate the receiving antenna.
	1448	+)))
	1449	+
	1450	+(((
	1451	+—Increase the separation between the equipment and receiver.
	1452	+)))
	1453	+
	1454	+(((
	1455	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1456	+)))
	1457	+
	1458	+(((
	1459	+—Consult the dealer or an experienced radio/TV technician for help.
	1460	+)))
	1461	+
	1462	+(((
	1463	+
	1464	+)))
	1465	+
	1466	+(((
	1467	+**FCC Radiation Exposure Statement:**
	1468	+)))
	1469	+
	1470	+(((
	1471	+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.
	1472	+)))
	1473	+
	1474	+
	1475	+= 11. Support =
	1476	+
	1477	+* (((
	1478	+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.
	1479	+)))
	1480	+* (((
	1481	+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]].
	1482	+)))