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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	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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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
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9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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12	12
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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
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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	)))
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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	)))
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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.
	59	+)))
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	)))
37	37	)))
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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
	72	+
42	42	== 1.2 Specifications ==
43	43
44	44
45		-**Hardware System:**
	76	+(% style="color:#037691" %)**Hardware System:**
46	46
47	47	* STM32L072CZT6 MCU
48	48	* SX1276/78 Wireless Chip
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50	50	** Idle: 32mA@12v
51	51	** 20dB Transmit: 65mA@12v
52	52
53		-**Interface for Model:**
54	54
	85	+(% style="color:#037691" %)**Interface for Model:**
	86	+
55	55	* RS485
56	56	* Power Input 7~~ 24V DC.
57	57
58		-**LoRa Spec:**
59	59
	91	+(% style="color:#037691" %)**LoRa Spec:**
	92	+
60	60	* Frequency Range:
61	61	** Band 1 (HF): 862 ~~ 1020 Mhz
62	62	** Band 2 (LF): 410 ~~ 528 Mhz
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	110	+* Packet engine up to 256 bytes with CRC
78	78
79	79
80	80
81	81	== 1.3 Features ==
82	82
	116	+
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
84	84	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
85	85	* AT Commands to change parameters
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93	93
94	94	== 1.4 Applications ==
95	95
	130	+
96	96	* Smart Buildings & Home Automation
97	97	* Logistics and Supply Chain Management
98	98	* Smart Metering
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104	104
105	105	== 1.5 Firmware Change log ==
106	106
	142	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
	146	+
110	110	== 1.6 Hardware Change log ==
111	111
	149	+
112	112	(((
113	113	(((
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114	114	v1.2: Add External Interrupt Pin.
	154	+)))
115	115
	156	+(((
116	116	v1.0: Release
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118	118
119	119	)))
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121	121
122	122	= 2. Power ON Device =
123	123
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124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126	126
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131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
	178	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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137	137	)))
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140	140
141	141	== 3.1 How it works? ==
142	142
	188	+
143	143	(((
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144	144	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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146	146
147	147	)))
148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
	200	+
151	151	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.
152	152
153		-[[image:1653268155545-638.png||height="334" width="724"]]
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156	156	(((
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162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
	215	+(% 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" %)​
166	166
	217	+
167	167	(((
168		-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:
	219	+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:
	220	+
	221	+
169	169	)))
170	170
171	171	(((
172		-**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.
173	173	)))
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177	177	)))
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180		-[[image:1652953462722-299.png]]
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181	181
	235	+
182	182	(((
183	183	(((
184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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185	185	)))
186	186
187	187	(((
188		-Add APP EUI in the application.
	242	+**Add APP EUI in the application.**
189	189	)))
190	190	)))
191	191
192		-[[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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194		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	248	+(% 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" %)​
195	195
196		-[[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" %)​
197	197
198		-[[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" %)​
199	199
200	200	You can also choose to create the device manually.
201	201
202		-[[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" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	260	+**Add APP KEY and DEV EUI**
208	208
	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	+
209	209	(((
210		-**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.
211	211	)))
212	212
213		-[[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" %)​
214	214
215	215
	272	+
216	216	== 3.3 Configure Commands to read data ==
217	217
	275	+
218	218	(((
219	219	(((
220		-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.
221	221	)))
	281	+)))
222	222
223	223	(((
224		-(% 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**
	286	+)))
225	225
	288	+
226	226
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	293	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231	231
	295	+
232	232	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:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	298	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	299	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	301	+)))|=(% style="width: 190px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	303	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	306	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	308	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	310	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
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252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	319	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	321	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	323	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
...	...	@@ -265,9 +265,9 @@
265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	332	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	334	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
...	...	@@ -275,7 +275,7 @@
275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	342	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
...	...	@@ -290,148 +290,83 @@
290	290	)))
291	291
292	292
	357	+
293	293	=== 3.3.2 Configure sensors ===
294	294
	360	+
295	295	(((
296	296	(((
297		-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.
	363	+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.
	364	+
	365	+
298	298	)))
299	299	)))
300	300
301		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303		-|AT+CFGDEV|(% style="width:418px" %)(((
304		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
305		-
306		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
307		-
308		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310		-
311		-=== 3.3.3 Configure read commands for each sampling ===
312		-
	369	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	370	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	371	+|AT+CFGDEV|(% style="width:110px" %)(((
313	313	(((
314		-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.
	373	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
315	315	)))
316	316
317	317	(((
318		-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.
	377	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
319	319	)))
320	320
321	321	(((
322		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	381	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
323	323	)))
	383	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
324	324
325		-(((
326		-This section describes how to achieve above goals.
327		-)))
328	328
329		-(((
330		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
331		-)))
332	332
333		-(((
334		-**Command from RS485-BL to Sensor:**
335		-)))
	387	+=== 3.3.3 Configure read commands for each sampling ===
336	336
337		-(((
338		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
339		-)))
340	340
341	341	(((
342		-**Handle return from sensors to RS485-BL**:
343		-)))
	391	+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.
344	344
345		-(((
346		-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**
347		-)))
	393	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
348	348
349		-* (((
350		-**AT+DATACUT**
351		-)))
	395	+This section describes how to achieve above goals.
352	352
353		-(((
354		-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.
355		-)))
	397	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
356	356
357		-* (((
358		-**AT+SEARCH**
359		-)))
360	360
361		-(((
362		-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.
363		-)))
	400	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
364	364
365		-(((
366		-**Define wait timeout:**
367		-)))
	402	+~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.
368	368
369		-(((
370		-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
371		-)))
	404	+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.
372	372
373		-(((
374		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
375		-)))
	406	+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
376	376
377		-**Examples:**
378	378
	409	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	410	+
379	379	Below are examples for the how above AT Commands works.
380	380
381		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
382	382
383		-(% border="1" class="table-bordered" %)
384		-|(((
385		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	414	+(% 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:
386	386
	416	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	417	+|(% style="width:496px" %)(((
	418	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	419	+
387	387	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
388	388
389	389	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
390	390	)))
391	391
392		-(((
393	393	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.
394		-)))
395	395
396		-(((
397		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
398		-)))
	427	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
399	399
400		-(((
401		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
402		-)))
403	403
404		-(% border="1" class="table-bordered" %)
405		-|(((
406		-**AT+SEARCHx=aa,xx xx xx xx xx**
	430	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
407	407
408		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
409		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
410		-
411		-
412		-)))
413		-
414		-**Examples:**
415		-
416		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
417		-
418		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
419		-
420		-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**
421		-
422		-[[image:1653269403619-508.png]]
423		-
424		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
425		-
426		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
427		-
428		-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**
429		-
430		-[[image:1653269438444-278.png]]
431		-
432		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
433		-
434		-|(((
	432	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	433	+|(% style="width:510px" %)(((
435	435	**AT+DATACUTx=a,b,c**
436	436
437	437	* **a: length for the return of AT+COMMAND**
...	...	@@ -439,48 +439,41 @@
439	439	* **c: define the position for valid value.  **
440	440	)))
441	441
442		-Examples:
	441	+**Examples:**
443	443
444		-* Grab bytes:
	443	+* (% style="color:#037691" %)**Grab bytes**
445	445
446		-[[image:1653269551753-223.png||height="311" width="717"]]
	445	+(% 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" %)​
447	447
448		-* Grab a section.
449	449
450		-[[image:1653269568276-930.png||height="325" width="718"]]
451	451
452		-* Grab different sections.
	449	+* (% style="color:#037691" %)**Grab a section**
453	453
454		-[[image:1653269593172-426.png||height="303" width="725"]]
	451	+(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
455	455
456		-(% style="color:red" %)**Note:**
457	457
458		-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.
459	459
460		-Example:
	455	+* (% style="color:#037691" %)**Grab different sections**
461	461
462		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	457	+(% 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" %)​
463	463
464		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
465	465
466		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
	460	+
	461	+)))
467	467
468		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
469		-
470		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
471		-
472		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
473		-
474		-[[image:1653269618463-608.png]]
475		-
476	476	=== 3.3.4 Compose the uplink payload ===
477	477
	465	+
478	478	(((
479	479	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.**
	468	+
	469	+
480	480	)))
481	481
482	482	(((
483		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	473	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	474	+
	475	+
484	484	)))
485	485
486	486	(((
...	...	@@ -499,10 +499,12 @@
499	499	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
500	500	)))
501	501
502		-[[image:1653269759169-150.png||height="513" width="716"]]
	494	+(% 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" %)​
503	503
504		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
505	505
	497	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	498	+
	499	+
506	506	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
507	507
508	508	Final Payload is
...	...	@@ -509,687 +509,1001 @@
509	509
510	510	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
511	511
512		-1. Battery Info (2 bytes): Battery voltage
513		-1. PAYVER (1 byte): Defined by AT+PAYVER
514		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
515		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
516		-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
517	517
518		-[[image:1653269916228-732.png||height="433" width="711"]]
	507	+1. PAYVER: Defined by AT+PAYVER
	508	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	509	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	510	+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
519	519
	512	+(% 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" %)​
520	520
521		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
522	522
523		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	515	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
524	524
525		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	517	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
526	526
527		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	519	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
528	528
529		-Below are the uplink payloads:
	521	+DATA3=the rest of Valid value of RETURN10= **30**
530	530
531		-[[image:1653270130359-810.png]]
532	532
	524	+(% 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:**
533	533
534		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	526	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
535	535
536		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	528	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
537	537
538		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	530	+ * For US915 band, max 11 bytes for each uplink.
539	539
540		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	532	+ ~* For all other bands: max 51 bytes for each uplink.
541	541
542		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
543	543
544		-=== 3.3.5 Uplink on demand ===
	535	+Below are the uplink payloads:
545	545
546		-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.
	537	+(% 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" %)​
547	547
548		-Downlink control command:
549	549
550		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
551	551
552		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	541	+=== 3.3.5 Uplink on demand ===
553	553
554	554
	544	+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.
555	555
556		-1.
557		-11.
558		-111. Uplink on Interrupt
	546	+Downlink control command:
559	559
560		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	548	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
561	561
562		-AT+INTMOD=0  Disable Interrupt
	550	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
563	563
564		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
565	565
566		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
567	567
568		-AT+INTMOD=3  Interrupt trigger by rising edge.
	554	+=== 3.3.6 Uplink on Interrupt ===
569	569
570	570
571		-1.
572		-11. Uplink Payload
	557	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
573	573
574		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
575		-|Value|(((
576		-Battery(mV)
	559	+(% 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" %)​
577	577
578		-&
	561	+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.
579	579
580		-Interrupt _Flag
581		-)))|(((
582		-PAYLOAD_VER
583	583
584		-
585		-)))|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.
586	586
587		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	565	+== 3.4 Uplink Payload ==
588	588
589	589
590		-function Decoder(bytes, port) {
	568	+(% 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" %)​
591	591
592		-~/~/Payload Formats of RS485-BL Deceive
	570	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
593	593
594		-return {
595	595
596		- ~/~/Battery,units:V
597	597
598		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	574	+== 3.5 Configure RS485-LN via AT or Downlink ==
599	599
600		- ~/~/GPIO_EXTI
601	601
602		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	577	+(((
	578	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	579	+)))
603	603
604		- ~/~/payload of version
	581	+(((
	582	+There are two kinds of Commands:
	583	+)))
605	605
606		- Pay_ver:bytes[2],
	585	+* (((
	586	+(% 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]]
	587	+)))
607	607
608		- };
	589	+* (((
	590	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	591	+)))
609	609
610		- }
	593	+(((
	594	+
	595	+)))
611	611
612	612
613	613
	599	+=== 3.5.1 Common Commands ===
614	614
615	615
	602	+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]]
616	616
617	617
618		-TTN V3 uplink screen shot.
619	619
620		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	606	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
621	621
622		-1.
623		-11. Configure RS485-BL via AT or Downlink
624	624
625		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	609	+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.
626	626
627		-There are two kinds of Commands:
	611	+(% 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" %)​
628	628
629		-* **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
	613	+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)
630	630
631		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
632	632
633		-1.
634		-11.
635		-111. Common Commands:
636	636
637		-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]]
	617	+=== 3.5.3 Sensor related commands ===
638	638
639	639
640		-1.
641		-11.
642		-111. Sensor related commands:
643	643
644		-==== Choose Device Type (RS485 or TTL) ====
645	645
646		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	622	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
647	647
648		-* AT Command
649	649
650		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	625	+(((
	626	+This command is used to configure the RS485 devices; they won't be used during sampling.
	627	+)))
651	651
652		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	629	+* (((
	630	+(% style="color:#037691" %)**AT Command**
653	653
	632	+(((
	633	+**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
	634	+)))
	635	+)))
654	654
655		-* Downlink Payload
	637	+(((
	638	+
	639	+)))
656	656
657		-**0A aa**     à same as AT+MOD=aa
	641	+* (((
	642	+(% style="color:#037691" %)**Downlink Payload**
	643	+)))
658	658
	645	+(((
	646	+Format: A8 MM NN XX XX XX XX YY
	647	+)))
659	659
	649	+(((
	650	+Where:
	651	+)))
660	660
661		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	653	+* (((
	654	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	655	+)))
	656	+* (((
	657	+NN: The length of RS485 command
	658	+)))
	659	+* (((
	660	+XX XX XX XX: RS485 command total NN bytes
	661	+)))
	662	+* (((
	663	+(((
	664	+YY: How many bytes will be uplink from the return of this RS485 command,
	665	+)))
662	662
663		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	667	+* (((
	668	+if YY=0, RS485-LN will execute the downlink command without uplink;
	669	+)))
	670	+* (((
	671	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	672	+)))
	673	+* (((
	674	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	675	+)))
	676	+)))
664	664
665		-* AT Command
	678	+(((
	679	+
666	666
667		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	681	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	682	+)))
668	668
669		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	684	+(((
	685	+To connect a Modbus Alarm with below commands.
	686	+)))
670	670
	688	+* (((
	689	+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.
	690	+)))
671	671
	692	+* (((
	693	+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.
	694	+)))
672	672
673		-* Downlink Payload
	696	+(((
	697	+
674	674
675		-Format: A8 MM NN XX XX XX XX YY
	699	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	700	+)))
676	676
677		-Where:
	702	+(((
	703	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	704	+)))
678	678
679		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
680		-* NN: The length of RS485 command
681		-* XX XX XX XX: RS485 command total NN bytes
682		-* 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
	706	+(((
	707	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	708	+)))
683	683
684		-**Example 1:**
	710	+(((
	711	+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.
	712	+)))
685	685
686		-To connect a Modbus Alarm with below commands.
	714	+(((
	715	+
	716	+)))
687	687
688		-* 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.
	718	+(((
	719	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	720	+)))
689	689
690		-* 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.
	722	+(((
	723	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	724	+)))
691	691
692		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	726	+(((
	727	+
	728	+)))
693	693
694		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	730	+(((
	731	+(((
	732	+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**
	733	+)))
695	695
696		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	735	+
	736	+)))
697	697
698		-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.
	738	+(((
	739	+ (% 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" %)​
	740	+)))
699	699
700	700
701		-**Example 2:**
702	702
703		-Check TTL Sensor return:
704	704
705		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	745	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
706	706
707	707
	748	+(((
	749	+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.
	750	+)))
708	708
	752	+* (((
	753	+(% style="color:#037691" %)**AT Command:**
709	709
710		-==== Set Payload version ====
	755	+**AT+PAYVER:    **Set PAYVER field = 1
711	711
712		-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	+
	758	+)))
	759	+* (((
	760	+(% style="color:#037691" %)**Downlink Payload:**
	761	+)))
713	713
714		-* AT Command:
	763	+(((
	764	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	765	+)))
715	715
716		-AT+PAYVER: Set PAYVER field = 1
	767	+(((
	768	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	769	+)))
717	717
718	718
719		-* Downlink Payload:
720	720
721		-0xAE 01   à Set PAYVER field =  0x01
722	722
723		-0xAE 0F   à Set PAYVER field =  0x0F
	774	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
724	724
725	725
726		-==== Set RS485 Sampling Commands ====
	777	+(((
	778	+AT+COMMANDx or AT+DATACUTx
	779	+)))
727	727
728		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	781	+(((
	782	+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"]].
	783	+)))
729	729
730		-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]].
	785	+(((
	786	+
	787	+)))
731	731
	789	+* (((
	790	+(% style="color:#037691" %)**AT Command:**
	791	+)))
732	732
733		-* AT Command:
	793	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
734	734
735		-AT+COMMANDx: Configure RS485 read command to sensor.
	795	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
736	736
737		-AT+DATACUTx: Configure how to handle return from RS485 devices.
738	738
739		-AT+SEARCHx: Configure search command
	798	+* (((
	799	+(% style="color:#037691" %)**Downlink Payload:**
	800	+)))
740	740
	802	+(((
	803	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741	741
742		-* Downlink Payload:
	805	+
	806	+)))
743	743
744		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	808	+(((
	809	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745	745
746		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	811	+
	812	+)))
747	747
	814	+(((
748	748	Format: AF MM NN LL XX XX XX XX YY
	816	+)))
749	749
	818	+(((
750	750	Where:
	820	+)))
751	751
752		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
753		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
754		-* LL: The length of AT+COMMAND or AT+DATACUT command
755		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
756		-* 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.
	822	+* (((
	823	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	824	+)))
	825	+* (((
	826	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	827	+)))
	828	+* (((
	829	+LL:  The length of AT+COMMAND or AT+DATACUT command
	830	+)))
	831	+* (((
	832	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	833	+)))
	834	+* (((
	835	+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.
	836	+)))
757	757
758		-Example:
	838	+(((
	839	+
759	759
760		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	841	+**Example:**
	842	+)))
761	761
762		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	844	+(((
	845	+(% 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
	846	+)))
763	763
764		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	848	+(((
	849	+(% 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**
	850	+)))
765	765
	852	+(((
	853	+(% 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**
	854	+)))
766	766
767		-0xAB downlink command can be used for set AT+SEARCHx
768	768
769		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
770	770
771		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
772		-* 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
773	773
774		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	859	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
775	775
776	776
777		-==== Fast command to handle MODBUS device ====
	862	+(((
	863	+**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]].
	864	+)))
778	778
779		-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]].
780		-
	866	+(((
781	781	This command is valid since v1.3 firmware version
	868	+)))
782	782
	870	+(((
	871	+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.
	872	+)))
783	783
784		-AT+MBFUN has only two value:
	874	+(((
	875	+
	876	+)))
785	785
786		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	878	+(((
	879	+**Example:**
	880	+)))
787	787
788		-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.
	882	+* (((
	883	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	884	+)))
	885	+* (((
	886	+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.
	887	+)))
	888	+* (((
	889	+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.
789	789
790		-* AT+MBFUN=0: Disable Modbus fast reading.
	891	+
	892	+)))
791	791
792		-Example:
	894	+(% 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" %)​
793	793
794		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
795		-* 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.
796		-* 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.
	896	+(% 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" %)​
797	797
798		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
799	799
800	800
801		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
802	802
	901	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
803	803
804		-* Downlink Commands:
805	805
806		-A9 aa -à Same as AT+MBFUN=aa
	904	+(((
	905	+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.
	906	+)))
807	807
	908	+(((
	909	+Default value: 0, range:  0 ~~ 65 seconds
	910	+)))
808	808
809		-==== RS485 command timeout ====
	912	+* (((
	913	+(% style="color:#037691" %)** AT Command:**
810	810
811		-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.
	915	+**AT+CMDDLaa=hex(bb cc)*1000**
	916	+)))
812	812
813		-Default value: 0, range:  0 ~~ 5 seconds
	918	+(((
	919	+
814	814
	921	+**Example:**
	922	+)))
815	815
816		-* AT Command:
	924	+(((
	925	+**AT+CMDDL1=1000** to send the open time to 1000ms
	926	+)))
817	817
818		-AT+CMDDLaa=hex(bb cc)
	928	+(((
	929	+
	930	+)))
819	819
820		-Example:
	932	+* (((
	933	+(% style="color:#037691" %)** Downlink Payload:**
	934	+)))
821	821
822		-**AT+CMDDL1=1000** to send the open time to 1000ms
	936	+(((
	937	+**0x AA aa bb cc**
	938	+)))
823	823
	940	+(((
	941	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	942	+)))
824	824
825		-* Downlink Payload:
	944	+(((
	945	+**Example:**
	946	+)))
826	826
827		-0x AA aa bb cc
	948	+(((
	949	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	950	+)))
828	828
829		-Same as: AT+CMDDLaa=hex(bb cc)
830	830
831		- Example:
832	832
833		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
834	834
	955	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
835	835
836		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
837	837
	958	+(((
838	838	Define to use one uplink or multiple uplinks for the sampling.
	960	+)))
839	839
840		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	962	+(((
	963	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
841	841
842		-* AT Command:
	965	+
	966	+)))
843	843
844		-AT+DATAUP=0
	968	+* (((
	969	+(% style="color:#037691" %)** AT Command:**
	970	+)))
845	845
846		-AT+DATAUP=1
	972	+**AT+DATAUP=0**
847	847
	974	+**AT+DATAUP=1**
848	848
849		-* Downlink Payload:
850	850
851		-0xAD 00   à Same as AT+DATAUP=0
	977	+* (((
	978	+(% style="color:#037691" %)** Downlink Payload:**
	979	+)))
852	852
853		-0xAD 01   à Same as AT+DATAUP=1
	981	+(((
	982	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	983	+)))
854	854
	985	+(((
	986	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	987	+)))
855	855
856		-==== Manually trigger an Uplink ====
857	857
	990	+
	991	+
	992	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	993	+
	994	+
	995	+(((
858	858	Ask device to send an uplink immediately.
	997	+)))
859	859
860		-* Downlink Payload:
	999	+* (((
	1000	+(% style="color:#037691" %)** AT Command:**
	1001	+)))
861	861
862		-0x08 FF, RS485-BL will immediately send an uplink.
	1003	+(((
	1004	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1005	+)))
863	863
	1007	+(((
	1008	+
	1009	+)))
864	864
865		-==== Clear RS485 Command ====
	1011	+* (((
	1012	+(% style="color:#037691" %)** Downlink Payload:**
	1013	+)))
866	866
	1015	+(((
	1016	+**0x08 FF**, RS485-LN will immediately send an uplink.
	1017	+)))
	1018	+
	1019	+
	1020	+
	1021	+
	1022	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1023	+
	1024	+
	1025	+(((
867	867	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
868	868
	1028	+
	1029	+)))
869	869
870		-* AT Command:
	1031	+* (((
	1032	+(% style="color:#037691" %)** AT Command:**
	1033	+)))
871	871
	1035	+(((
872	872	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1037	+)))
873	873
	1039	+(((
874	874	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1041	+)))
875	875
	1043	+(((
876	876	Example screen shot after clear all RS485 commands.
	1045	+)))
877	877
	1047	+(((
	1048	+
	1049	+)))
878	878
879		-
	1051	+(((
880	880	The uplink screen shot is:
	1053	+)))
881	881
882		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1055	+(% 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" %)​
883	883
884	884
885		-* Downlink Payload:
	1058	+* (((
	1059	+(% style="color:#037691" %)** Downlink Payload:**
	1060	+)))
886	886
887		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1062	+(((
	1063	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1064	+)))
888	888
889	889
890		-==== Set Serial Communication Parameters ====
891	891
892		-Set the Rs485 serial communication parameters:
893	893
894		-* AT Command:
	1069	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
895	895
896		-Set Baud Rate:
897	897
898		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1072	+(((
	1073	+Set the Rs485 serial communication parameters:
	1074	+)))
899	899
	1076	+* (((
	1077	+(% style="color:#037691" %)** AT Command:**
	1078	+)))
900	900
901		-Set UART parity
	1080	+(((
	1081	+
902	902
903		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1083	+* Set Baud Rate
	1084	+)))
904	904
	1086	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
905	905
906		-Set STOPBIT
907	907
908		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1089	+(((
	1090	+* Set UART Parity
	1091	+)))
909	909
	1093	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
910	910
911		-* Downlink Payload:
912	912
913		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1096	+(((
	1097	+* Set STOPBIT
	1098	+)))
914	914
915		-Example:
	1100	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
916	916
917		-* A7 01 00 60   same as AT+BAUDR=9600
918		-* A7 01 04 80  same as AT+BAUDR=115200
919	919
920		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
921	921
922		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1104	+* (((
	1105	+(% style="color:#037691" %)** Downlink Payload:**
	1106	+)))
923	923
	1108	+(((
	1109	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1110	+)))
924	924
925		-==== Control output power duration ====
	1112	+(((
	1113	+**Example:**
	1114	+)))
926	926
927		-User can set the output power duration before each sampling.
	1116	+* (((
	1117	+A7 01 00 60   same as AT+BAUDR=9600
	1118	+)))
	1119	+* (((
	1120	+A7 01 04 80  same as AT+BAUDR=115200
	1121	+)))
928	928
929		-* AT Command:
	1123	+(((
	1124	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1125	+)))
930	930
931		-Example:
	1127	+(((
	1128	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1129	+)))
932	932
933		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
934	934
935		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
936	936
937	937
938		-* LoRaWAN Downlink Command:
	1134	+== 3.6 Listening mode for RS485 network ==
939	939
940		-07 01 aa bb  Same as AT+5VT=(aa bb)
941	941
942		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1137	+(((
	1138	+This feature support since firmware v1.4
	1139	+)))
943	943
	1141	+(((
	1142	+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.
944	944
	1144	+
	1145	+)))
945	945
	1147	+(% 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" %)​
946	946
947		-1.
948		-11. Buttons
	1149	+(((
	1150	+To enable the listening mode, use can run the command AT+RXMODE.
	1151	+)))
949	949
950		-|**Button**|**Feature**
951		-|**RST**|Reboot RS485-BL
	1153	+(((
	1154	+
	1155	+)))
952	952
953		-1.
954		-11. +3V3 Output
	1157	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1158	+|=(% style="width: 100px;" %)(((
	1159	+**Command example**
	1160	+)))|=(% style="width: 400px;" %)(((
	1161	+**Function**
	1162	+)))
	1163	+|(% style="width:100px" %)(((
	1164	+AT+RXMODE=1,10
	1165	+)))|(% style="width:400px" %)(((
	1166	+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.
	1167	+)))
	1168	+|(% style="width:100px" %)(((
	1169	+AT+RXMODE=2,500
	1170	+)))|(% style="width:400px" %)(((
	1171	+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
	1172	+)))
	1173	+|(% style="width:100px" %)(((
	1174	+AT+RXMODE=0,0
	1175	+)))|(% style="width:400px" %)(((
	1176	+Disable listening mode. This is the default settings.
	1177	+)))
	1178	+|(% style="width:100px" %)(((
	1179	+
	1180	+)))|(% style="width:400px" %)(((
	1181	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1182	+)))
955	955
956		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1184	+(((
	1185	+(% style="color:#037691" %)** Downlink Command:**
	1186	+)))
957	957
958		-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.
	1188	+(((
	1189	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1190	+)))
959	959
	1192	+(((
	1193	+
	1194	+)))
960	960
961		-The +3V3 output time can be controlled by AT Command.
	1196	+(((
	1197	+**Example**:
	1198	+)))
962	962
963		-**AT+3V3T=1000**
	1200	+(((
	1201	+The RS485-LN is set to AT+RXMODE=2,1000
	1202	+)))
964	964
965		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1204	+(((
	1205	+There is a two Modbus commands in the RS485 network as below:
	1206	+)))
966	966
	1208	+(((
	1209	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1210	+)))
967	967
968		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1212	+(((
	1213	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1214	+)))
969	969
	1216	+(((
	1217	+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
	1218	+)))
970	970
971		-1.
972		-11. +5V Output
	1220	+(((
	1221	+(% 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" %)​
	1222	+)))
973	973
974		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1224	+(((
	1225	+
	1226	+)))
975	975
976		-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.
	1228	+(((
	1229	+(((
	1230	+(% 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.**
	1231	+)))
	1232	+)))
977	977
978	978
979		-The 5V output time can be controlled by AT Command.
980	980
981		-**AT+5VT=1000**
	1236	+== 3.7 Buttons ==
982	982
983		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
984	984
	1239	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1240	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1241	+|(% 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**
	1242	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1243	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
985	985
986		-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.
987	987
988	988
989	989
	1248	+== 3.8 LEDs ==
990	990
991		-1.
992		-11. LEDs
993	993
994		-|**LEDs**|**Feature**
995		-|**LED1**|Blink when device transmit a packet.
	1251	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1252	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1253	+|**PWR**|Always on if there is power
	1254	+|**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.
996	996
997		-1.
998		-11. Switch Jumper
999	999
1000		-|**Switch Jumper**|**Feature**
1001		-|**SW1**|(((
1002		-ISP position: Upgrade firmware via UART
1003	1003
1004		-Flash position: Configure device, check running status.
1005		-)))
1006		-|**SW2**|(((
1007		-5V position: set to compatible with 5v I/O.
1008	1008
1009		-3.3v position: set to compatible with 3.3v I/O.,
1010		-)))
	1259	+= 4. Case Study =
1011	1011
1012		-+3.3V: is always ON
1013	1013
1014		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1262	+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]]
1015	1015
1016		-1. Case Study
1017	1017
1018		-User can check this URL for some case studies.
1019	1019
1020		-[[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]]
	1266	+= 5. Use AT Command =
1021	1021
1022	1022
	1269	+== 5.1 Access AT Command ==
1023	1023
1024	1024
1025		-1. Use AT Command
1026		-11. Access AT Command
	1272	+(((
	1273	+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.
	1274	+)))
1027	1027
1028		-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.
	1276	+(% 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" %)​
1029	1029
1030		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1031	1031
	1279	+(((
	1280	+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:
	1281	+)))
1032	1032
1033		-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	+(% 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" %)​
1034	1034
1035		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1036	1036
	1286	+(((
	1287	+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/]]
	1288	+)))
1037	1037
1038	1038
1039		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1040	1040
	1292	+== 5.2 Common AT Command Sequence ==
1041	1041
1042	1042
1043		-1.
1044		-11. Common AT Command Sequence
1045		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1295	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1046	1046
	1297	+
1047	1047	If device has not joined network yet:
1048	1048
1049		-AT+FDR
	1300	+* (% style="color:#037691" %)**AT+FDR**
	1301	+* (% style="color:#037691" %)**AT+NJM=0**
	1302	+* (% style="color:#037691" %)**ATZ**
1050	1050
1051		-AT+NJM=0
	1304	+(((
	1305	+
1052	1052
1053		-ATZ
	1307	+If device already joined network:
1054	1054
	1309	+* (% style="color:#037691" %)**AT+NJM=0**
	1310	+* (% style="color:#037691" %)**ATZ**
1055	1055
1056		-If device already joined network:
	1312	+
	1313	+)))
1057	1057
1058		-AT+NJM=0
1059	1059
1060		-ATZ
1061	1061
1062		-1.
1063		-11.
1064		-111. Single-channel ABP mode (Use with LG01/LG02)
	1317	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1065	1065
1066		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1067	1067
1068		-AT+NJM=0 Set to ABP mode
	1320	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1069	1069
1070		-AT+ADR=0 Set the Adaptive Data Rate Off
	1322	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1071	1071
1072		-AT+DR=5  Set Data Rate
	1324	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1073	1073
1074		-AT+TDC=60000  Set transmit interval to 60 seconds
	1326	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1075	1075
1076		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1328	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1077	1077
1078		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1330	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1079	1079
1080		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1332	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1081	1081
1082		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1334	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1083	1083
1084		-ATZ          Reset MCU
	1336	+(% 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.
1085	1085
1086		-**Note:**
	1338	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1087	1087
1088		-1. Make sure the device is set to ABP mode in the IoT Server.
1089		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1090		-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.
1091		-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
1092	1092
1093		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1341	+(% style="color:red" %)**Note:**
1094	1094
	1343	+(((
	1344	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1345	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1346	+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.
	1347	+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
1095	1095
1096		-1. FAQ
1097		-11. How to upgrade the image?
	1349	+
	1350	+)))
1098	1098
1099		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1352	+(% 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" %)​
1100	1100
1101		-* Support new features
1102		-* For bug fix
1103		-* Change LoRaWAN bands.
1104	1104
1105		-Below shows the hardware connection for how to upload an image to RS485-BL:
1106	1106
1107		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1356	+= 6. FAQ =
1108	1108
1109		-**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]].
1110	1110
1111		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1359	+== 6.1 How to upgrade the image? ==
1112	1112
1113		-**Step3: **Open flashloader; choose the correct COM port to update.
1114	1114
	1362	+(((
	1363	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1364	+)))
1115	1115
1116		-|(((
1117		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1366	+* (((
	1367	+Support new features
1118	1118	)))
	1369	+* (((
	1370	+For bug fix
	1371	+)))
	1372	+* (((
	1373	+Change LoRaWAN bands.
	1374	+)))
1119	1119
1120		-|(((
1121		-Board detected
	1376	+(((
	1377	+Below shows the hardware connection for how to upload an image to RS485-LN:
1122	1122	)))
1123	1123
1124		-|(((
1125		-
	1380	+(% 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"]]
	1381	+
	1382	+(% title="Click and drag to resize" %)​
	1383	+
	1384	+(((
	1385	+(% 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]].
1126	1126	)))
1127	1127
1128		-[[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]]
	1388	+(((
	1389	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
	1390	+)))
1129	1129
	1392	+(((
	1393	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1394	+)))
1130	1130
	1396	+(((
	1397	+(((
	1398	+(((
	1399	+(% 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.
	1400	+)))
	1401	+)))
	1402	+)))
1131	1131
1132		-[[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]]
1133	1133
	1405	+(% 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" %)​
1134	1134
1135		-[[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]]
1136	1136
	1408	+(% 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" %)​
1137	1137
1138		-1.
1139		-11. How to change the LoRa Frequency Bands/Region?
1140	1140
1141		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1411	+(% 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" %)​
1142	1142
1143	1143
	1414	+(% 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:**
1144	1144
1145		-1.
1146		-11. How many RS485-Slave can RS485-BL connects?
	1416	+(% 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" %)​
1147	1147
1148		-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]].
1149	1149
1150	1150
	1420	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1151	1151
1152	1152
1153		-1. Trouble Shooting
1154		-11. Downlink doesn’t work, how to solve it?
	1423	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1155	1155
1156		-Please see this link for debug:
1157	1157
1158		-[[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]]
1159	1159
	1427	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1160	1160
1161	1161
1162		-1.
1163		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1430	+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"]].
1164	1164
1165		-It might about the channels mapping. Please see for detail.
1166	1166
1167		-[[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]]
1168	1168
	1434	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1169	1169
1170	1170
1171		-1. Order Info
	1437	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1172	1172
1173		-**Part Number: RS485-BL-XXX**
	1439	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1174	1174
1175		-**XXX:**
1176	1176
1177		-* **EU433**: frequency bands EU433
1178		-* **EU868**: frequency bands EU868
1179		-* **KR920**: frequency bands KR920
1180		-* **CN470**: frequency bands CN470
1181		-* **AS923**: frequency bands AS923
1182		-* **AU915**: frequency bands AU915
1183		-* **US915**: frequency bands US915
1184		-* **IN865**: frequency bands IN865
1185		-* **RU864**: frequency bands RU864
1186		-* **KZ865: **frequency bands KZ865
1187	1187
1188		-1. Packing Info
	1443	+== 6.5 Can i use point to point communication for RS485-LN? ==
1189	1189
	1445	+
	1446	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1447	+
	1448	+
	1449	+
	1450	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1451	+
	1452	+
	1453	+[[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/]]
	1454	+
	1455	+
	1456	+
	1457	+= 7. Trouble Shooting =
	1458	+
	1459	+
	1460	+== 7.1 Downlink doesn't work, how to solve it? ==
	1461	+
	1462	+
	1463	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1464	+
	1465	+
	1466	+
	1467	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1468	+
	1469	+
	1470	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1471	+
	1472	+
	1473	+
	1474	+= 8. Order Info =
	1475	+
	1476	+
	1477	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
	1478	+
	1479	+(% style="color:blue" %)**XXX:**
	1480	+
	1481	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1482	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1483	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1484	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1485	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1486	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1487	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1488	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1489	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1490	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
	1491	+
	1492	+
	1493	+
	1494	+
	1495	+= 9.Packing Info =
	1496	+
	1497	+
1190	1190	**Package Includes**:
1191	1191
1192		-* RS485-BL x 1
	1500	+* RS485-LN x 1
1193	1193	* Stick Antenna for LoRa RF part x 1
1194	1194	* Program cable x 1
1195	1195
...	...	@@ -1200,9 +1200,71 @@
1200	1200	* Package Size / pcs : 14.5 x 8 x 5 cm
1201	1201	* Weight / pcs : 170g
1202	1202
1203		-1. Support
1204	1204
1205		-* 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.
1206		-* 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
1207	1207
1208		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1513	+
	1514	+= 10. FCC Caution for RS485LN-US915 =
	1515	+
	1516	+
	1517	+(((
	1518	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1519	+)))
	1520	+
	1521	+(((
	1522	+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.
	1523	+)))
	1524	+
	1525	+(((
	1526	+
	1527	+)))
	1528	+
	1529	+(((
	1530	+(% style="color:red" %)**IMPORTANT NOTE:**
	1531	+)))
	1532	+
	1533	+(((
	1534	+(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1535	+)))
	1536	+
	1537	+(((
	1538	+—Reorient or relocate the receiving antenna.
	1539	+)))
	1540	+
	1541	+(((
	1542	+—Increase the separation between the equipment and receiver.
	1543	+)))
	1544	+
	1545	+(((
	1546	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1547	+)))
	1548	+
	1549	+(((
	1550	+—Consult the dealer or an experienced radio/TV technician for help.
	1551	+)))
	1552	+
	1553	+(((
	1554	+
	1555	+)))
	1556	+
	1557	+(((
	1558	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1559	+)))
	1560	+
	1561	+(((
	1562	+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.
	1563	+)))
	1564	+
	1565	+
	1566	+
	1567	+= 11. Support =
	1568	+
	1569	+
	1570	+* (((
	1571	+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.
	1572	+)))
	1573	+* (((
	1574	+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]].
	1575	+
	1576	+
	1577	+
	1578	+)))

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