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

Summary

• Page properties (2 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 28 removed)
  • 1654157178836-407.png
  • 1654157342174-798.png
  • 1654158783574-851.png
  • 1654159460680-153.png
  • 1654160691922-496.png
  • 1654162355560-817.png
  • 1654162368066-342.png
  • 1654162478620-421.png
  • 1654162535040-878.png
  • image-20220602153621-1.png
  • image-20220602153621-2.png
  • image-20220602153621-3.png
  • image-20220602155039-4.png
  • image-20220602163333-5.png
  • image-20220602165351-6.png
  • image-20220602165351-7.png
  • image-20220602171200-8.png
  • image-20220602171200-9.png
  • image-20220602175638-10.png
  • image-20220602175743-11.png
  • image-20220602175818-12.png
  • image-20220602175848-13.png
  • image-20220602175912-14.png
  • image-20220606110929-1.png
  • image-20220824144240-1.png
  • image-20220824145428-2.png
  • image-20220824145428-3.png
  • image-20220929111027-1.png

Details

Page properties

Title

...	...	@@ -1,1 +1,1 @@
1		-RS485-LN – RS485 to LoRaWAN Converter User Manual
	1	+RS485-LN – RS485 to LoRaWAN Converter

Content

...	...	@@ -1,40 +1,23 @@
1		-(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2		-(((
3		-(% data-widget="image" style="text-align:center" %)
4		-[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
	1	+(% style="text-align:center" %)
	2	+[[image:1653266934636-343.png||height="385" width="385"]]
5	5
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"]]
7		-)))
8	8
9	9
	6	+**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10	10
11	11
12		-
13		-
14		-
15	15	**Table of Contents:**
16	16
17		-{{toc/}}
18	18
19	19
20		-(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
21		-(((
22		-(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
23		-)))
24	24
25	25
26		-
27		-
28		-
29		-
30		-
31	31	= 1.Introduction =
32	32
33		-
34	34	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35	35
36		-
37	37	(((
	20	+(((
38	38	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.
39	39	)))
40	40
...	...	@@ -48,21 +48,18 @@
48	48
49	49	(((
50	50	(% 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.
51		-)))
52	52
53		-(((
54	54	(% 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]]
55	55	)))
	37	+)))
56	56
	39	+[[image:1653267211009-519.png||height="419" width="724"]]
57	57
58		-(% 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" %)​
59	59
60		-
61		-
62	62	== 1.2 Specifications ==
63	63
64	64
65		-(% style="color:#037691" %)**Hardware System:**
	45	+**Hardware System:**
66	66
67	67	* STM32L072CZT6 MCU
68	68	* SX1276/78 Wireless Chip
...	...	@@ -70,12 +70,12 @@
70	70	** Idle: 32mA@12v
71	71	** 20dB Transmit: 65mA@12v
72	72
73		-(% style="color:#037691" %)**Interface for Model:**
	53	+**Interface for Model:**
74	74
75	75	* RS485
76	76	* Power Input 7~~ 24V DC.
77	77
78		-(% style="color:#037691" %)**LoRa Spec:**
	58	+**LoRa Spec:**
79	79
80	80	* Frequency Range:
81	81	** Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -94,13 +94,14 @@
94	94	* Preamble detection.
95	95	* 127 dB Dynamic Range RSSI.
96	96	* Automatic RF Sense and CAD with ultra-fast AFC.
97		-* Packet engine up to 256 bytes with CRC
	77	+* Packet engine up to 256 bytes with CRC.
98	98
99		-== 1.3 Features ==
100	100
101	101
	81	+== 1.3 Features ==
	82	+
102	102	* LoRaWAN Class A & Class C protocol (default Class C)
103		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
	84	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
104	104	* AT Commands to change parameters
105	105	* Remote configure parameters via LoRa Downlink
106	106	* Firmware upgradable via program port
...	...	@@ -108,9 +108,10 @@
108	108	* Support Modbus protocol
109	109	* Support Interrupt uplink (Since hardware version v1.2)
110	110
111		-== 1.4 Applications ==
112	112
113	113
	94	+== 1.4 Applications ==
	95	+
114	114	* Smart Buildings & Home Automation
115	115	* Logistics and Supply Chain Management
116	116	* Smart Metering
...	...	@@ -118,27 +118,21 @@
118	118	* Smart Cities
119	119	* Smart Factory
120	120
121		-== 1.5 Firmware Change log ==
122	122
123	123
	105	+== 1.5 Firmware Change log ==
	106	+
124	124	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
125	125
126	126
127		-
128	128	== 1.6 Hardware Change log ==
129	129
130		-
131	131	(((
132	132	(((
133		-(((
134	134	v1.2: Add External Interrupt Pin.
135		-)))
136	136
137		-(((
138	138	v1.0: Release
139		-)))
140	140
141		-
142	142
143	143	)))
144	144	)))
...	...	@@ -145,7 +145,6 @@
145	145
146	146	= 2. Power ON Device =
147	147
148		-
149	149	(((
150	150	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
151	151
...	...	@@ -156,36 +156,28 @@
156	156	Once there is power, the RS485-LN will be on.
157	157	)))
158	158
159		-(% 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" %)​
	134	+[[image:1653268091319-405.png]]
160	160
161		-
162	162
163	163	)))
164	164
165	165	= 3. Operation Mode =
166	166
167		-
168	168	== 3.1 How it works? ==
169	169
170		-
171	171	(((
172		-(((
173	173	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.
174		-)))
175	175
176		-
177	177
178	178	)))
179	179
180	180	== 3.2 Example to join LoRaWAN network ==
181	181
182		-
183	183	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.
184	184
	153	+[[image:1653268155545-638.png||height="334" width="724"]]
185	185
186		-(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
187	187
188		-
189	189	(((
190	190	(((
191	191	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
...	...	@@ -193,21 +193,16 @@
193	193
194	194	(((
195	195	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
196		-
197		-
198	198	)))
199	199
200		-(% 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" %)​
	165	+[[image:1653268227651-549.png||height="592" width="720"]]
201	201
202		-
203	203	(((
204		-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:
205		-
206		-
	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:
207	207	)))
208	208
209	209	(((
210		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
	172	+**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
211	211	)))
212	212
213	213	(((
...	...	@@ -215,95 +215,73 @@
215	215	)))
216	216	)))
217	217
218		-(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	180	+[[image:1652953462722-299.png]]
219	219
220		-
221	221	(((
222	222	(((
223	223	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
224		-
225		-
226	226	)))
227	227
228	228	(((
229		-**Add APP EUI in the application.**
	188	+Add APP EUI in the application.
230	230	)))
231	231	)))
232	232
233		-(% 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" %)​
	192	+[[image:image-20220519174512-1.png]]
234	234
235		-(% 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" %)​
	194	+[[image:image-20220519174512-2.png||height="323" width="720"]]
236	236
237		-(% 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" %)​
	196	+[[image:image-20220519174512-3.png||height="556" width="724"]]
238	238
239		-(% 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"]]
	198	+[[image:image-20220519174512-4.png]]
240	240
241		-
242		-(% title="Click and drag to resize" %)​
243		-
244	244	You can also choose to create the device manually.
245	245
246		-(% 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" %)​
	202	+[[image:1652953542269-423.png||height="710" width="723"]]
247	247
	204	+Add APP KEY and DEV EUI
248	248
	206	+[[image:1652953553383-907.png||height="514" width="724"]]
249	249
250		-**Add APP KEY and DEV EUI**
251	251
252		-(% 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" %)​
253		-
254		-
255		-
256	256	(((
257		-(% 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.
258		-
259		-
	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.
260	260	)))
261	261
262		-(% 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" %)​
	213	+[[image:1652953568895-172.png||height="232" width="724"]]
263	263
264	264
265		-
266	266	== 3.3 Configure Commands to read data ==
267	267
268		-
269	269	(((
270	270	(((
271		-(((
272		-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.
273		-
274		-
	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.
275	275	)))
276		-)))
277	277
278	278	(((
279		-(((
280		-(% 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**
281		-)))
	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
282	282
283		-
284	284
285	285	)))
286	286	)))
287	287
288		-=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
	230	+=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
289	289
290		-
291	291	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:
292	292
293		-
294		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
295		-|=(% style="width: 110px;" %)(((
	234	+(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
	235	+|(% style="width:128px" %)(((
296	296	**AT Commands**
297		-)))|=(% style="width: 210px;" %)(((
	237	+)))|(% style="width:305px" %)(((
298	298	**Description**
299		-)))|=(% style="width: 190px;" %)(((
	239	+)))|(% style="width:346px" %)(((
300	300	**Example**
301	301	)))
302		-|(% style="width:110px" %)(((
	242	+|(% style="width:128px" %)(((
303	303	AT+BAUDR
304		-)))|(% style="width:190px" %)(((
	244	+)))|(% style="width:305px" %)(((
305	305	Set the baud rate (for RS485 connection). Default Value is: 9600.
306		-)))|(% style="width:190px" %)(((
	246	+)))|(% style="width:346px" %)(((
307	307	(((
308	308	AT+BAUDR=9600
309	309	)))
...	...	@@ -312,11 +312,11 @@
312	312	Options: (1200,2400,4800,14400,19200,115200)
313	313	)))
314	314	)))
315		-|(% style="width:110px" %)(((
	255	+|(% style="width:128px" %)(((
316	316	AT+PARITY
317		-)))|(% style="width:190px" %)(((
	257	+)))|(% style="width:305px" %)(((
318	318	Set UART parity (for RS485 connection)
319		-)))|(% style="width:190px" %)(((
	259	+)))|(% style="width:346px" %)(((
320	320	(((
321	321	AT+PARITY=0
322	322	)))
...	...	@@ -325,9 +325,9 @@
325	325	Option: 0: no parity, 1: odd parity, 2: even parity
326	326	)))
327	327	)))
328		-|(% style="width:110px" %)(((
	268	+|(% style="width:128px" %)(((
329	329	AT+STOPBIT
330		-)))|(% style="width:190px" %)(((
	270	+)))|(% style="width:305px" %)(((
331	331	(((
332	332	Set serial stopbit (for RS485 connection)
333	333	)))
...	...	@@ -335,7 +335,7 @@
335	335	(((
336	336
337	337	)))
338		-)))|(% style="width:190px" %)(((
	278	+)))|(% style="width:346px" %)(((
339	339	(((
340	340	AT+STOPBIT=0 for 1bit
341	341	)))
...	...	@@ -349,1367 +349,907 @@
349	349	)))
350	350	)))
351	351
	292	+
352	352	=== 3.3.2 Configure sensors ===
353	353
354		-
355	355	(((
356	356	(((
357		-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.
358		-
359		-
	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.
360	360	)))
361	361	)))
362	362
363		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364		-|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
365		-|AT+CFGDEV|(% style="width:110px" %)(((
366		-(((
	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" %)(((
367	367	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
368		-)))
369	369
370		-(((
371	371	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
372		-)))
373	373
374		-(((
375	375	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
376		-)))
377		-)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	309	+)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
378	378
379	379	=== 3.3.3 Configure read commands for each sampling ===
380	380
381		-
382	382	(((
383		-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.
384		-
385		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
386		-
387		-This section describes how to achieve above goals.
388		-
389		-During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
390		-
391		-
392		-(% style="color:#037691" %)**Each RS485 commands include two parts:**
393		-
394		-
395		-~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.
396		-
397		-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.
398		-
399		-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
400		-
401		-
402		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
403		-
404		-Below are examples for the how above AT Commands works.
405		-
406		-
407		-(% 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:
408		-
409		-(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
410		-|(% style="width:496px" %)(((
411		-(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
412		-
413		-**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
414		-
415		-**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
	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.
416	416	)))
417	417
418		-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.
419		-
420		-In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
421		-
422		-
423		-(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
424		-
425		-(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
426		-|(% style="width:510px" %)(((
427		-**AT+DATACUTx=a,b,c**
428		-
429		-* **a: length for the return of AT+COMMAND**
430		-* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
431		-* **c: define the position for valid value.  **
	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.
432	432	)))
433	433
434		-**Examples:**
435		-
436		-
437		-* (% style="color:#037691" %)**Grab bytes**
438		-
439		-(% 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" %)​
440		-
441		-
442		-
443		-* (% style="color:#037691" %)**Grab a section**
444		-
445		-(% 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" %)​
446		-
447		-
448		-
449		-* (% style="color:#037691" %)**Grab different sections**
450		-
451		-(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
452		-
453		-
454		-
455		-)))
456		-
457		-=== 3.3.4 Compose the uplink payload ===
458		-
459		-
460	460	(((
461		-Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
462		-
463		-
	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.
464	464	)))
465	465
466	466	(((
467		-(% style="color:#037691" %)**Examples: AT+DATAUP=0**
468		-
469		-
	326	+This section describes how to achieve above goals.
470	470	)))
471	471
472	472	(((
473		-Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	330	+During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
474	474	)))
475	475
476	476	(((
477		-Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	334	+**Command from RS485-BL to Sensor:**
478	478	)))
479	479
480	480	(((
481		-Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
482		-
483		-
	338	+RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
484	484	)))
485	485
486		-[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
487		-
488		-
489		-(% style="color:#037691" %)**Examples: AT+DATAUP=1**
490		-
491		-
492		-Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
493		-
494		-Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
495		-
496		-
497		-1. PAYVER: Defined by AT+PAYVER
498		-1. PAYLOAD COUNT: Total how many uplinks of this sampling.
499		-1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
500		-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
501		-
502		-(% 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" %)​
503		-
504		-
505		-So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
506		-
507		-DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
508		-
509		-DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
510		-
511		-DATA3=the rest of Valid value of RETURN10= **30**
512		-
513		-
514		-(% 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:**
515		-
516		-
517		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
518		-
519		- * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
520		-
521		- * For US915 band, max 11 bytes for each uplink.
522		-
523		- ~* For all other bands: max 51 bytes for each uplink.
524		-
525		-
526		-(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
527		-
528		-(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
529		-
530		-
531		-
532		-Below are the uplink payloads:
533		-
534		-
535		-(% 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" %)​
536		-
537		-
538		-
539		-=== 3.3.5 Uplink on demand ===
540		-
541		-
542		-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.
543		-
544		-(% style="color:blue" %)**Downlink control command:**
545		-
546		-(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
547		-
548		-(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
549		-
550		-
551		-
552		-=== 3.3.6 Uplink on Interrupt ===
553		-
554		-
555		-RS485-LN support external Interrupt uplink since hardware v1.2 release.
556		-
557		-
558		-(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
559		-
560		-Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
561		-
562		-
563		-
564		-== 3.4 Uplink Payload ==
565		-
566		-
567		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
568		-|(% style="width:60px" %)(((
569		-Size(bytes)
570		-)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
571		-Length depends on the return from the commands
572		-)))
573		-|(% style="width:90px" %)(((
574		-Value
575		-)))|(% style="width:114px" %)(((
576		-PAYLOAD_VER
577		-)))|(% style="width:353px" %)(((
578		-If the valid payload is too long and exceed the maximum
579		-
580		-support payload length in server, server will show payload not
581		-
582		-provided in the LoRaWAN server.
583		-)))
584		-
585		-(% 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"]]
586		-
587		-(% title="Click and drag to resize" %)​
588		-
589		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
590		-
591		-
592		-
593		-== 3.5 Configure RS485-LN via AT or Downlink ==
594		-
595		-
596	596	(((
597		-User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	342	+**Handle return from sensors to RS485-BL**:
598	598	)))
599	599
600	600	(((
601		-There are two kinds of Commands:
	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**
602	602	)))
603	603
604	604	* (((
605		-(% 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]]
	350	+**AT+DATACUT**
606	606	)))
607	607
608		-* (((
609		-(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
610		-)))
611		-
612	612	(((
613		-
	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.
614	614	)))
615	615
616		-
617		-
618		-=== 3.5.1 Common Commands ===
619		-
620		-
621		-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]]
622		-
623		-
624		-
625		-=== 3.5.2 Downlink Response(Since firmware v1.4) ===
626		-
627		-
628		-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.
629		-
630		-
631		-(% 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"]]
632		-
633		-(% title="Click and drag to resize" %)​
634		-
635		-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)
636		-
637		-
638		-
639		-=== 3.5.3 Sensor related commands ===
640		-
641		-
642		-
643		-
644		-==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
645		-
646		-
647		-(((
648		-This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
649		-)))
650		-
651		-(((
652		-* (% style="color:#037691" %)**AT Command**
653		-
654		-(((
655		-(% style="color:#4472c4" %)** 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
656		-)))
657		-)))
658		-
659		-(((
660		-
661		-)))
662		-
663	663	* (((
664		-(% style="color:#037691" %)**Downlink Payload**
	358	+**AT+SEARCH**
665	665	)))
666	666
667	667	(((
668		-Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
	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.
669	669	)))
670	670
671	671	(((
672		-Where:
	366	+**Define wait timeout:**
673	673	)))
674	674
675		-* (((
676		-MM: 1: add CRC-16/MODBUS ; 0: no CRC
677		-)))
678		-* (((
679		-NN: The length of RS485 command
680		-)))
681		-* (((
682		-XX XX XX XX: RS485 command total NN bytes
683		-)))
684		-* (((
685	685	(((
686		-YY: How many bytes will be uplink from the return of this RS485 command,
	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
687	687	)))
688	688
689		-* (((
690		-if YY=0, RS485-LN will execute the downlink command without uplink;
691		-)))
692		-* (((
693		-if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
694		-)))
695		-* (((
696		-if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
697		-)))
698		-)))
699		-
700	700	(((
701		-
702		-
703		-(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	374	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
704	704	)))
705	705
706		-(((
707		-To connect a Modbus Alarm with below commands.
708		-)))
	377	+**Examples:**
709	709
710		-* (((
711		-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.
712		-)))
	379	+Below are examples for the how above AT Commands works.
713	713
714		-* (((
715		-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.
716		-)))
	381	+**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
717	717
718		-(((
719		-
	383	+(% border="1" class="table-bordered" %)
	384	+|(((
	385	+**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
720	720
721		-So if user want to use downlink command to control to RS485 Alarm, he can use:
722		-)))
	387	+**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
723	723
724		-(((
725		-(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	389	+**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
726	726	)))
727	727
728	728	(((
729		-(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	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.
730	730	)))
731	731
732	732	(((
733		-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.
	397	+In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
734	734	)))
735	735
736	736	(((
737		-
	401	+**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
738	738	)))
739	739
740		-(((
741		-(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
742		-)))
	404	+(% border="1" class="table-bordered" %)
	405	+|(((
	406	+**AT+SEARCHx=aa,xx xx xx xx xx**
743	743
744		-(((
745		-User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
746		-)))
	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**
747	747
748		-(((
749	749
750	750	)))
751	751
752		-(((
753		-(((
754		-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**
755		-)))
	414	+**Examples:**
756	756
757		-
758		-)))
	416	+~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
759	759
760		-(((
761		- (% 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" %)​
762		-)))
	418	+If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
763	763
	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**
764	764
	422	+[[image:1653269403619-508.png]]
765	765
	424	+2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
766	766
767		-==== (% style="color:blue" %)**Set Payload version**(%%) ====
	426	+If we set AT+SEARCH1=2, 1E 56 34+31 00 49
768	768
	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**
769	769
770		-(((
771		-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.
772		-)))
	430	+[[image:1653269438444-278.png]]
773	773
774		-(((
775		-* (% style="color:#037691" %)**AT Command:**
	432	+**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
776	776
777		-(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
	434	+|(((
	435	+**AT+DATACUTx=a,b,c**
778	778
779		-
	437	+* **a: length for the return of AT+COMMAND**
	438	+* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
	439	+* **c: define the position for valid value.  **
780	780	)))
781	781
782		-* (((
783		-(% style="color:#037691" %)**Downlink Payload:**
784		-)))
	442	+Examples:
785	785
786		-(((
787		-(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
788		-)))
	444	+* Grab bytes:
789	789
790		-(((
791		-(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
792		-)))
	446	+[[image:1653269551753-223.png||height="311" width="717"]]
793	793
	448	+* Grab a section.
794	794
795		-**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
	450	+[[image:1653269568276-930.png||height="325" width="718"]]
796	796
	452	+* Grab different sections.
797	797
798		-[[image:image-20220824145428-2.png||height="168" width="1300"]]
	454	+[[image:1653269593172-426.png||height="303" width="725"]]
799	799
	456	+(% style="color:red" %)**Note:**
800	800
	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.
801	801
802		-**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
	460	+Example:
803	803
	462	+(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
804	804
805		-[[image:image-20220824145428-3.png||height="308" width="1200"]]
	464	+(% style="color:red" %)AT+SEARCH1=1,1E 56 34
806	806
	466	+(% style="color:red" %)AT+DATACUT1=0,2,1~~5
807	807
	468	+(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
808	808
	470	+(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
809	809
810		-==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	472	+(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
811	811
	474	+[[image:1653269618463-608.png]]
812	812
813		-(((
814		-AT+COMMANDx or AT+DATACUTx
815		-)))
	476	+=== 3.3.4 Compose the uplink payload ===
816	816
817	817	(((
818		-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"]].
	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.**
819	819	)))
820	820
821	821	(((
822		-
	483	+(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
823	823	)))
824	824
825		-* (((
826		-(% style="color:#037691" %)**AT Command:**
827		-)))
828		-
829		-(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
830		-
831		-(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
832		-
833		-
834		-* (((
835		-(% style="color:#037691" %)**Downlink Payload:**
836		-)))
837		-
838	838	(((
839		-(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
840		-
841		-
	487	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
842	842	)))
843	843
844	844	(((
845		-(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
846		-
847		-
	491	+Final Payload is
848	848	)))
849	849
850	850	(((
851		-Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
	495	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
852	852	)))
853	853
854	854	(((
855		-Where:
	499	+Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
856	856	)))
857	857
858		-* (((
859		-MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
860		-)))
861		-* (((
862		-NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
863		-)))
864		-* (((
865		-LL:  The length of AT+COMMAND or AT+DATACUT command
866		-)))
867		-* (((
868		-XX XX XX XX: AT+COMMAND or AT+DATACUT command
869		-)))
870		-* (((
871		-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.
872		-)))
	502	+[[image:1653269759169-150.png||height="513" width="716"]]
873	873
874		-(((
875		-
	504	+(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
876	876
877		-**Example:**
878		-)))
	506	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
879	879
880		-(((
881		-(% 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
882		-)))
	508	+Final Payload is
883	883
884		-(((
885		-(% 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**
886		-)))
	510	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
887	887
888		-(((
889		-(% 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**
890		-)))
	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
891	891
	518	+[[image:1653269916228-732.png||height="433" width="711"]]
892	892
893	893
	521	+So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
894	894
895		-==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
	523	+DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
896	896
	525	+DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
897	897
898		-(((
899		-(% style="color:#4472c4" %)** 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]].
900		-)))
	527	+DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
901	901
902		-(((
903		-This command is valid since v1.3 firmware version
904		-)))
	529	+Below are the uplink payloads:
905	905
906		-(((
907		-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.
908		-)))
	531	+[[image:1653270130359-810.png]]
909	909
910		-(((
911		-
912		-)))
913	913
914		-(((
915		-**Example:**
916		-)))
	534	+(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
917	917
918		-* (((
919		-AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
920		-)))
921		-* (((
922		-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.
923		-)))
924		-* (((
925		-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.
	536	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
926	926
927		-
928		-)))
	538	+ * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
929	929
930		-(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
	540	+ * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
931	931
932		-(% title="Click and drag to resize" %)​
	542	+ ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
933	933
934		-(% 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" %)​
	544	+=== 3.3.5 Uplink on demand ===
935	935
	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.
936	936
	548	+Downlink control command:
937	937
	550	+[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
938	938
939		-==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	552	+[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
940	940
941	941
942		-(((
943		-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.
944		-)))
945	945
946		-(((
947		-Default value: 0, range:  0 ~~ 65 seconds
948		-)))
	556	+1.
	557	+11.
	558	+111. Uplink on Interrupt
949	949
950		-(((
951		-* (% style="color:#037691" %)** AT Command:**
	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]]
952	952
953		-(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
954		-)))
	562	+AT+INTMOD=0  Disable Interrupt
955	955
956		-(((
957		-
	564	+AT+INTMOD=1  Interrupt trigger by rising or falling edge.
958	958
959		-**Example:**
960		-)))
	566	+AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
961	961
962		-(((
963		-(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
964		-)))
	568	+AT+INTMOD=3  Interrupt trigger by rising edge.
965	965
966		-(((
967		-
968		-)))
969	969
970		-* (((
971		-(% style="color:#037691" %)** Downlink Payload:**
972		-)))
	571	+1.
	572	+11. Uplink Payload
973	973
974		-(((
975		-(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
976		-)))
	574	+|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
	575	+|Value|(((
	576	+Battery(mV)
977	977
978		-(((
	578	+&
	579	+
	580	+Interrupt _Flag
	581	+)))|(((
	582	+PAYLOAD_VER
	583	+
979	979
	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.
980	980
981		-**Example:**
982		-)))
	587	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
983	983
984		-(((
985		-**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
986		-)))
987	987
	590	+function Decoder(bytes, port) {
988	988
	592	+~/~/Payload Formats of RS485-BL Deceive
989	989
	594	+return {
990	990
991		-==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
	596	+ ~/~/Battery,units:V
992	992
	598	+ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
993	993
994		-(((
995		-Define to use one uplink or multiple uplinks for the sampling.
996		-)))
	600	+ ~/~/GPIO_EXTI
997	997
998		-(((
999		-The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	602	+ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1000	1000
1001		-
1002		-)))
	604	+ ~/~/payload of version
1003	1003
1004		-(((
1005		-* (% style="color:#037691" %)** AT Command:**
	606	+ Pay_ver:bytes[2],
1006	1006
1007		-(% style="color:#4472c4" %)** AT+DATAUP=0**
	608	+ };
1008	1008
1009		-(% style="color:#4472c4" %)** AT+DATAUP=1**
	610	+ }
1010	1010
1011		-
1012		-)))
1013	1013
1014		-(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1015	1015
1016		-Each uplink is sent to the server at 20-second intervals when segmented.
1017	1017
1018	1018
1019		-* (((
1020		-(% style="color:#037691" %)** Downlink Payload:**
1021		-)))
1022	1022
1023		-(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
1024	1024
1025		-(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
	618	+TTN V3 uplink screen shot.
1026	1026
	620	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1027	1027
1028		-* (((
1029		-(% style="color:#037691" %)** AT Command:**
1030		-)))
	622	+1.
	623	+11. Configure RS485-BL via AT or Downlink
1031	1031
1032		-(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
	625	+User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1033	1033
	627	+There are two kinds of Commands:
1034	1034
1035		-* (((
1036		-(% style="color:#037691" %)** Downlink Payload:**
1037		-)))
	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
1038	1038
1039		-(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
	631	+* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1040	1040
1041		-Each uplink is sent to the server at 20-second intervals when segmented.
	633	+1.
	634	+11.
	635	+111. Common Commands:
1042	1042
	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]]
1043	1043
1044	1044
	640	+1.
	641	+11.
	642	+111. Sensor related commands:
1045	1045
1046		-==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	644	+==== Choose Device Type (RS485 or TTL) ====
1047	1047
	646	+RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1048	1048
1049		-(((
1050		-Ask device to send an uplink immediately.
1051		-)))
	648	+* AT Command
1052	1052
1053		-* (((
1054		-(% style="color:#037691" %)** AT Command:**
1055		-)))
	650	+**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1056	1056
1057		-(((
1058		-No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1059		-)))
	652	+**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1060	1060
1061		-(((
1062		-
1063		-)))
1064	1064
1065		-* (((
1066		-(% style="color:#037691" %)** Downlink Payload:**
1067		-)))
	655	+* Downlink Payload
1068	1068
1069		-(((
1070		-(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1071		-)))
	657	+**0A aa**     à same as AT+MOD=aa
1072	1072
1073	1073
1074	1074
	661	+==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1075	1075
1076		-==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	663	+This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1077	1077
	665	+* AT Command
1078	1078
1079		-(((
1080		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	667	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1081	1081
1082		-
1083		-)))
	669	+m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1084	1084
1085		-* (((
1086		-(% style="color:#037691" %)** AT Command:**
1087		-)))
1088	1088
1089		-(((
1090		-(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1091		-)))
1092	1092
1093		-(((
1094		-
	673	+* Downlink Payload
1095	1095
1096		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1097		-)))
	675	+Format: A8 MM NN XX XX XX XX YY
1098	1098
1099		-(((
1100		-Example screen shot after clear all RS485 commands.
1101		-)))
	677	+Where:
1102	1102
1103		-(((
1104		-
1105		-)))
	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
1106	1106
1107		-(((
1108		-The uplink screen shot is:
1109		-)))
	684	+**Example 1:**
1110	1110
1111		-(% 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" %)​
	686	+To connect a Modbus Alarm with below commands.
1112	1112
	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.
1113	1113
1114		-* (((
1115		-(% style="color:#037691" %)** Downlink Payload:**
1116		-)))
	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.
1117	1117
1118		-(((
1119		-(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1120		-)))
	692	+So if user want to use downlink command to control to RS485 Alarm, he can use:
1121	1121
	694	+**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1122	1122
	696	+**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1123	1123
	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.
1124	1124
1125		-==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1126	1126
	701	+**Example 2:**
1127	1127
1128		-(((
1129		-Set the Rs485 serial communication parameters:
1130		-)))
	703	+Check TTL Sensor return:
1131	1131
1132		-(((
1133		-(% style="color:#037691" %)**AT Command:**
1134		-)))
	705	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1135	1135
1136		-(((
1137		-* Set Baud Rate
1138		-)))
1139	1139
1140		-(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1141	1141
1142	1142
1143		-(((
1144		-* Set UART Parity
1145		-)))
	710	+==== Set Payload version ====
1146	1146
1147		-(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
	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.
1148	1148
	714	+* AT Command:
1149	1149
1150		-(((
1151		-* Set STOPBIT
1152		-)))
	716	+AT+PAYVER: Set PAYVER field = 1
1153	1153
1154		-(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1155	1155
	719	+* Downlink Payload:
1156	1156
1157		-(((
1158		-(% style="color:#037691" %)**Downlink Payload:**
1159		-)))
	721	+0xAE 01   à Set PAYVER field =  0x01
1160	1160
1161		-(((
1162		-(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1163		-)))
	723	+0xAE 0F   à Set PAYVER field =  0x0F
1164	1164
1165		-(((
1166		-**Example:**
1167		-)))
1168	1168
1169		-* (((
1170		-A7 01 00 60  same as AT+BAUDR=9600
1171		-)))
1172		-* (((
1173		-A7 01 04 80  same as AT+BAUDR=115200
1174		-)))
	726	+==== Set RS485 Sampling Commands ====
1175	1175
1176		-(((
1177		-* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1178		-)))
	728	+AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1179	1179
1180		-(((
1181		-* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1182		-)))
	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]].
1183	1183
1184	1184
1185		-==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
	733	+* AT Command:
1186	1186
1187		-* (((
1188		-(% style="color:#037691" %)** AT Command:**
1189		-)))
	735	+AT+COMMANDx: Configure RS485 read command to sensor.
1190	1190
1191		-**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
	737	+AT+DATACUTx: Configure how to handle return from RS485 devices.
1192	1192
1193		-**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
	739	+AT+SEARCHx: Configure search command
1194	1194
1195		-* (((
1196		-(% style="color:#037691" %)**Downlink Payload:**
1197		-)))
1198	1198
1199		-**~ A7 04 07**: Same as  AT+DATABIT=7
	742	+* Downlink Payload:
1200	1200
1201		-**~ A7 04 08**: Same as  AT+DATABIT=8
	744	+0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1202	1202
	746	+Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1203	1203
	748	+Format: AF MM NN LL XX XX XX XX YY
1204	1204
1205		-==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	750	+Where:
1206	1206
1207		-(((
1208		-
1209		-)))
	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.
1210	1210
1211		-* (((
1212		-(% style="color:#037691" %)** AT Command:**
1213		-)))
	758	+Example:
1214	1214
1215		-(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
	760	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1216	1216
1217		-(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
	762	+**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1218	1218
	764	+**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1219	1219
1220	1220
	767	+0xAB downlink command can be used for set AT+SEARCHx
1221	1221
1222		-==== (% style="color:blue" %)**Get sensor value**(%%) ====
	769	+Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1223	1223
	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
1224	1224
1225		-* (((
1226		-(% style="color:#037691" %)** AT Command:**
1227		-)))
	774	+**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1228	1228
1229		-(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
1230	1230
1231		-(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
	777	+==== Fast command to handle MODBUS device ====
1232	1232
	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]].
1233	1233
	781	+This command is valid since v1.3 firmware version
1234	1234
1235	1235
1236		-==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	784	+AT+MBFUN has only two value:
1237	1237
	786	+* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1238	1238
1239		-* (((
1240		-(% style="color:#037691" %)** AT Command:**
1241		-)))
	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.
1242	1242
1243		-(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	790	+* AT+MBFUN=0: Disable Modbus fast reading.
1244	1244
1245		-(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	792	+Example:
1246	1246
	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.
1247	1247
	798	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1248	1248
1249	1249
1250		-==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	801	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1251	1251
1252	1252
1253		-* (((
1254		-(% style="color:#037691" %)** AT Command:**
1255		-)))
	804	+* Downlink Commands:
1256	1256
1257		- (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	806	+A9 aa -à Same as AT+MBFUN=aa
1258	1258
1259		- (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1260	1260
	809	+==== RS485 command timeout ====
1261	1261
1262		-* (((
1263		-(% style="color:#037691" %)** Downlink Payload:**
1264		-)))
	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.
1265	1265
1266		-(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	813	+Default value: 0, range:  0 ~~ 5 seconds
1267	1267
1268	1268
	816	+* AT Command:
1269	1269
	818	+AT+CMDDLaa=hex(bb cc)
1270	1270
1271		-==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	820	+Example:
1272	1272
	822	+**AT+CMDDL1=1000** to send the open time to 1000ms
1273	1273
1274		-* (((
1275		-(% style="color:#037691" %)** AT Command:**
1276		-)))
1277	1277
1278		-(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	825	+* Downlink Payload:
1279	1279
1280		-Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	827	+0x AA aa bb cc
1281	1281
	829	+Same as: AT+CMDDLaa=hex(bb cc)
1282	1282
1283		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	831	+ Example:
1284	1284
1285		-For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	833	+ 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1286	1286
1287	1287
	836	+==== [[Uplink>>path:#downlink_A8]] payload mode ====
1288	1288
1289		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	838	+Define to use one uplink or multiple uplinks for the sampling.
1290	1290
1291		-For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	840	+The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1292	1292
	842	+* AT Command:
1293	1293
	844	+AT+DATAUP=0
1294	1294
	846	+AT+DATAUP=1
1295	1295
1296		-==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1297	1297
	849	+* Downlink Payload:
1298	1298
1299		-(((
1300		-* (% style="color:#037691" %)**Downlink Payload:**
	851	+0xAD 00   à Same as AT+DATAUP=0
1301	1301
1302		-(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1303		-)))
	853	+0xAD 01   à Same as AT+DATAUP=1
1304	1304
1305	1305
1306		-Example：
	856	+==== Manually trigger an Uplink ====
1307	1307
	858	+Ask device to send an uplink immediately.
1308	1308
1309		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	860	+* Downlink Payload:
1310	1310
	862	+0x08 FF, RS485-BL will immediately send an uplink.
1311	1311
1312	1312
	865	+==== Clear RS485 Command ====
1313	1313
1314		-==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	867	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1315	1315
1316	1316
1317		-* (((
1318		-(% style="color:#037691" %)** AT Command:**
1319		-)))
	870	+* AT Command:
1320	1320
1321		-(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
	872	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1322	1322
1323		-(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
	874	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1324	1324
1325		-(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
	876	+Example screen shot after clear all RS485 commands.
1326	1326
1327	1327
1328		-* (((
1329		-(% style="color:#037691" %)**Downlink Payload:**
1330		-)))
1331	1331
1332		-(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
	880	+The uplink screen shot is:
1333	1333
1334		-[[image:image-20220824144240-1.png]]
	882	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1335	1335
1336	1336
	885	+* Downlink Payload:
1337	1337
1338		-== 3.6 Listening mode for RS485 network ==
	887	+0x09 aa bb same as AT+CMDEAR=aa,bb
1339	1339
1340	1340
1341		-(((
1342		-This feature support since firmware v1.4
1343		-)))
	890	+==== Set Serial Communication Parameters ====
1344	1344
1345		-(((
1346		-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.
	892	+Set the Rs485 serial communication parameters:
1347	1347
1348		-
1349		-)))
	894	+* AT Command:
1350	1350
1351		-(% 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"]]
	896	+Set Baud Rate:
1352	1352
1353		-(% title="Click and drag to resize" %)​
	898	+AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1354	1354
1355		-(((
1356		-To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1357		-)))
1358	1358
1359		-(((
1360		-
1361		-)))
	901	+Set UART parity
1362	1362
1363		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1364		-|=(% style="width: 100px;" %)(((
1365		-**Command example**
1366		-)))|=(% style="width: 400px;" %)(((
1367		-**Function**
1368		-)))
1369		-|(% style="width:100px" %)(((
1370		-AT+RXMODE=1,10
1371		-)))|(% style="width:400px" %)(((
1372		-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.
1373		-)))
1374		-|(% style="width:100px" %)(((
1375		-AT+RXMODE=2,500
1376		-)))|(% style="width:400px" %)(((
1377		-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
1378		-)))
1379		-|(% style="width:100px" %)(((
1380		-AT+RXMODE=0,0
1381		-)))|(% style="width:400px" %)(((
1382		-Disable listening mode. This is the default settings.
1383		-)))
1384		-|(% style="width:100px" %)(((
1385		-
1386		-)))|(% style="width:400px" %)(((
1387		-A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1388		-)))
	903	+AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1389	1389
1390		-(((
1391		-
1392	1392
1393		-(% style="color:#037691" %)**Downlink Command:**
1394		-)))
	906	+Set STOPBIT
1395	1395
1396		-(((
1397		-(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1398		-)))
	908	+AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1399	1399
1400		-(((
1401		-
1402		-)))
1403	1403
1404		-(((
1405		-**Example**:
1406		-)))
	911	+* Downlink Payload:
1407	1407
1408		-(((
1409		-The RS485-LN is set to AT+RXMODE=2,1000
1410		-)))
	913	+A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1411	1411
1412		-(((
1413		-There is a two Modbus commands in the RS485 network as below:
1414		-)))
	915	+Example:
1415	1415
1416		-(((
1417		-The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1418		-)))
	917	+* A7 01 00 60   same as AT+BAUDR=9600
	918	+* A7 01 04 80  same as AT+BAUDR=115200
1419	1419
1420		-(((
1421		-And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1422		-)))
	920	+A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1423	1423
1424		-(((
1425		-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
	922	+A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1426	1426
1427		-
1428		-)))
1429	1429
1430		-(((
1431		-(% 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" %)​
1432		-)))
	925	+==== Control output power duration ====
1433	1433
1434		-(((
1435		-
1436		-)))
	927	+User can set the output power duration before each sampling.
1437	1437
1438		-(((
1439		-(((
1440		-(% 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.**
1441		-)))
1442		-)))
	929	+* AT Command:
1443	1443
	931	+Example:
1444	1444
	933	+AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1445	1445
1446		-== 3.7 Buttons ==
	935	+AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1447	1447
1448	1448
1449		-(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1450		-|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1451		-|(% 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**
1452		-|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1453		-|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	938	+* LoRaWAN Downlink Command:
1454	1454
1455		-== 3.8 LEDs ==
	940	+07 01 aa bb  Same as AT+5VT=(aa bb)
1456	1456
	942	+07 02 aa bb  Same as AT+3V3T=(aa bb)
1457	1457
1458		-(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1459		-|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1460		-|**PWR**|Always on if there is power
1461		-|**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.
1462	1462
1463		-= 4. Case Study =
1464	1464
1465	1465
1466		-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]]
	947	+1.
	948	+11. Buttons
1467	1467
	950	+|**Button**|**Feature**
	951	+|**RST**|Reboot RS485-BL
1468	1468
	953	+1.
	954	+11. +3V3 Output
1469	1469
1470		-= 5. Use AT Command =
	956	+RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1471	1471
	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.
1472	1472
1473		-== 5.1 Access AT Command ==
1474	1474
	961	+The +3V3 output time can be controlled by AT Command.
1475	1475
1476		-(((
1477		-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.
	963	+**AT+3V3T=1000**
1478	1478
1479		-
1480		-)))
	965	+Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1481	1481
1482		-(% 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" %)​
1483	1483
	968	+By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1484	1484
1485	1485
1486		-(((
1487		-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:
	971	+1.
	972	+11. +5V Output
1488	1488
1489		-
1490		-)))
	974	+RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1491	1491
1492		-(% 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" %)​
	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.
1493	1493
1494	1494
1495		-(((
1496		-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/]]
1497		-)))
	979	+The 5V output time can be controlled by AT Command.
1498	1498
	981	+**AT+5VT=1000**
1499	1499
	983	+Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1500	1500
1501		-== 5.2 Common AT Command Sequence ==
1502	1502
	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.
1503	1503
1504		-=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1505	1505
1506	1506
1507		-If device has not joined network yet:
1508	1508
1509		-* (% style="color:#037691" %)**AT+FDR**
1510		-* (% style="color:#037691" %)**AT+NJM=0**
1511		-* (% style="color:#037691" %)**ATZ**
	991	+1.
	992	+11. LEDs
1512	1512
1513		-(((
1514		-
	994	+|**LEDs**|**Feature**
	995	+|**LED1**|Blink when device transmit a packet.
1515	1515
1516		-If device already joined network:
	997	+1.
	998	+11. Switch Jumper
1517	1517
1518		-* (% style="color:#037691" %)**AT+NJM=0**
1519		-* (% style="color:#037691" %)**ATZ**
	1000	+|**Switch Jumper**|**Feature**
	1001	+|**SW1**|(((
	1002	+ISP position: Upgrade firmware via UART
1520	1520
1521		-
	1004	+Flash position: Configure device, check running status.
1522	1522	)))
	1006	+|**SW2**|(((
	1007	+5V position: set to compatible with 5v I/O.
1523	1523
	1009	+3.3v position: set to compatible with 3.3v I/O.,
	1010	+)))
1524	1524
	1012	++3.3V: is always ON
1525	1525
1526		-=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1014	++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1527	1527
	1016	+1. Case Study
1528	1528
1529		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1018	+User can check this URL for some case studies.
1530	1530
1531		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
	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]]
1532	1532
1533		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1534	1534
1535		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1536	1536
1537		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1538	1538
1539		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
	1025	+1. Use AT Command
	1026	+11. Access AT Command
1540	1540
1541		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	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.
1542	1542
1543		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1030	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1544	1544
1545		-(% 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.
1546	1546
1547		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	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:
1548	1548
	1035	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1549	1549
1550		-(% style="color:red" %)**Note:**
1551	1551
1552		-(((
1553		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1554		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1555		-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.
1556		-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
1557	1557
1558		-
1559		-)))
	1039	+More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1560	1560
1561		-(% 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" %)​
1562	1562
1563	1563
	1043	+1.
	1044	+11. Common AT Command Sequence
	1045	+111. Multi-channel ABP mode (Use with SX1301/LG308)
1564	1564
1565		-= 6. FAQ =
	1047	+If device has not joined network yet:
1566	1566
	1049	+AT+FDR
1567	1567
1568		-== 6.1 How to upgrade the image? ==
	1051	+AT+NJM=0
1569	1569
	1053	+ATZ
1570	1570
1571		-(((
1572		-The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1573		-)))
1574	1574
1575		-* (((
1576		-Support new features
1577		-)))
1578		-* (((
1579		-For bug fix
1580		-)))
1581		-* (((
1582		-Change LoRaWAN bands.
1583		-)))
	1056	+If device already joined network:
1584	1584
1585		-(((
1586		-Below shows the hardware connection for how to upload an image to RS485-LN:
1587		-)))
	1058	+AT+NJM=0
1588	1588
1589		-(% 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"]]
	1060	+ATZ
1590	1590
1591		-(% title="Click and drag to resize" %)​
	1062	+1.
	1063	+11.
	1064	+111. Single-channel ABP mode (Use with LG01/LG02)
1592	1592
1593		-(((
1594		-(% 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]].
	1066	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1595	1595
1596		-
1597		-)))
	1068	+AT+NJM=0 Set to ABP mode
1598	1598
1599		-(((
1600		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
	1070	+AT+ADR=0 Set the Adaptive Data Rate Off
1601	1601
1602		-
1603		-)))
	1072	+AT+DR=5  Set Data Rate
1604	1604
1605		-(((
1606		-(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1074	+AT+TDC=60000  Set transmit interval to 60 seconds
1607	1607
1608		-
1609		-)))
	1076	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1610	1610
1611		-(((
1612		-(((
1613		-(((
1614		-(% 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.
1615		-)))
1616		-)))
1617		-)))
	1078	+AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1618	1618
	1080	+AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1619	1619
1620		-(% 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" %)​
	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.
1621	1621
	1084	+ATZ          Reset MCU
1622	1622
1623		-(% 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" %)​
	1086	+**Note:**
1624	1624
	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
1625	1625
1626		-(% 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" %)​
	1093	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1627	1627
1628	1628
1629		-(% 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:**
	1096	+1. FAQ
	1097	+11. How to upgrade the image?
1630	1630
1631		-(% 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" %)​
	1099	+The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1632	1632
	1101	+* Support new features
	1102	+* For bug fix
	1103	+* Change LoRaWAN bands.
1633	1633
	1105	+Below shows the hardware connection for how to upload an image to RS485-BL:
1634	1634
1635		-== 6.2 How to change the LoRa Frequency Bands/Region? ==
	1107	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1636	1636
	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]].
1637	1637
1638		-User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1111	+**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1639	1639
	1113	+**Step3: **Open flashloader; choose the correct COM port to update.
1640	1640
1641	1641
1642		-== 6.3 How many RS485-Slave can RS485-LN connects? ==
	1116	+|(((
	1117	+HOLD PRO then press the RST button, SYS will be ON, then click next
	1118	+)))
1643	1643
	1120	+|(((
	1121	+Board detected
	1122	+)))
1644	1644
1645		-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"]].
	1124	+|(((
	1125	+
	1126	+)))
1646	1646
	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]]
1647	1647
1648	1648
1649		-== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1650	1650
	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]]
1651	1651
1652		-When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1653	1653
1654		-Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
	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]]
1655	1655
1656	1656
	1138	+1.
	1139	+11. How to change the LoRa Frequency Bands/Region?
1657	1657
1658		-== 6.5 Can i use point to point communication for RS485-LN? ==
	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.
1659	1659
1660	1660
1661		-Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1662	1662
	1145	+1.
	1146	+11. How many RS485-Slave can RS485-BL connects?
1663	1663
	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]].
1664	1664
1665		-== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1666	1666
1667	1667
1668		-[[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/]]
1669	1669
	1153	+1. Trouble Shooting
	1154	+11. Downlink doesn’t work, how to solve it?
1670	1670
	1156	+Please see this link for debug:
1671	1671
1672		-= 7. Trouble Shooting =
	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]]
1673	1673
1674	1674
1675		-== 7.1 Downlink doesn't work, how to solve it? ==
1676	1676
	1162	+1.
	1163	+11. Why I can’t join TTN V3 in US915 /AU915 bands?
1677	1677
1678		-Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
	1165	+It might about the channels mapping. Please see for detail.
1679	1679
	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]]
1680	1680
1681	1681
1682		-== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1683	1683
	1171	+1. Order Info
1684	1684
1685		-It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1173	+**Part Number: RS485-BL-XXX**
1686	1686
	1175	+**XXX:**
1687	1687
	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
1688	1688
1689		-= 8. Order Info =
	1188	+1. Packing Info
1690	1690
1691		-
1692		-(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1693		-
1694		-(% style="color:blue" %)**XXX:**
1695		-
1696		-* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1697		-* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1698		-* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1699		-* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1700		-* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1701		-* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1702		-* (% style="color:red" %)**US915**(%%):  frequency bands US915
1703		-* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1704		-* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1705		-* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1706		-
1707		-= 9.Packing Info =
1708		-
1709		-
1710	1710	**Package Includes**:
1711	1711
1712		-* RS485-LN x 1
	1192	+* RS485-BL x 1
1713	1713	* Stick Antenna for LoRa RF part x 1
1714	1714	* Program cable x 1
1715	1715
...	...	@@ -1720,68 +1720,9 @@
1720	1720	* Package Size / pcs : 14.5 x 8 x 5 cm
1721	1721	* Weight / pcs : 170g
1722	1722
1723		-= 10. FCC Caution for RS485LN-US915 =
	1203	+1. Support
1724	1724
	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
1725	1725
1726		-(((
1727		-Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1728		-)))
1729		-
1730		-(((
1731		-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.
1732		-)))
1733		-
1734		-(((
1735		-
1736		-)))
1737		-
1738		-(((
1739		-(% style="color:red" %)**IMPORTANT NOTE:**
1740		-)))
1741		-
1742		-(((
1743		-(% 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:
1744		-)))
1745		-
1746		-(((
1747		-—Reorient or relocate the receiving antenna.
1748		-)))
1749		-
1750		-(((
1751		-—Increase the separation between the equipment and receiver.
1752		-)))
1753		-
1754		-(((
1755		-—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1756		-)))
1757		-
1758		-(((
1759		-—Consult the dealer or an experienced radio/TV technician for help.
1760		-)))
1761		-
1762		-(((
1763		-
1764		-)))
1765		-
1766		-(((
1767		-(% style="color:red" %)**FCC Radiation Exposure Statement:**
1768		-)))
1769		-
1770		-(((
1771		-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.
1772		-)))
1773		-
1774		-
1775		-
1776		-= 11. Support =
1777		-
1778		-
1779		-* (((
1780		-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.
1781		-)))
1782		-* (((
1783		-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]].
1784		-
1785		-
1786		-
1787		-)))
	1208	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]

1654157178836-407.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-179.9 KB

Content

1654157342174-798.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-31.9 KB

Content

1654158783574-851.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-40.6 KB

Content

1654159460680-153.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-24.9 KB

Content

1654160691922-496.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-109.3 KB

Content

1654162355560-817.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-670.0 KB

Content

1654162368066-342.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-192.9 KB

Content

1654162478620-421.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-158.9 KB

Content

1654162535040-878.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-670.0 KB

Content

image-20220602153621-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-23.4 KB

Content

image-20220602153621-2.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-22.2 KB

Content

image-20220602153621-3.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-22.3 KB

Content

image-20220602155039-4.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-24.6 KB

Content

image-20220602163333-5.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-48.2 KB

Content

image-20220602165351-6.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-10.6 KB

Content

image-20220602165351-7.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-19.3 KB

Content

image-20220602171200-8.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-276.1 KB

Content

image-20220602171200-9.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-10.0 KB

Content

image-20220602175638-10.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-85.5 KB

Content

image-20220602175743-11.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-85.5 KB

Content

image-20220602175818-12.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-102.5 KB

Content

image-20220602175848-13.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-250.9 KB

Content

image-20220602175912-14.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-176.1 KB

Content

image-20220606110929-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-13.9 KB

Content

image-20220824144240-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Bei

Size

...	...	@@ -1,1 +1,0 @@
1		-110.9 KB

Content

image-20220824145428-2.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Bei

Size

...	...	@@ -1,1 +1,0 @@
1		-12.6 KB

Content

image-20220824145428-3.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Bei

Size

...	...	@@ -1,1 +1,0 @@
1		-17.7 KB

Content

image-20220929111027-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Bei

Size

...	...	@@ -1,1 +1,0 @@
1		-240.0 KB

Content