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

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Details

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

Content

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1		-(% style="text-align:center" %)
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
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9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
20	20	(((
21		-The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
	37	+(((
	38	+
	39	+
	40	+The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
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23	23
24	24	(((
25		-RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	45	+(((
	46	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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27	27
28	28	(((
29		-For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
	51	+(((
	52	+(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30	30	)))
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31	31
32	32	(((
33		-For data downlink, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
	57	+(((
	58	+(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
34	34	)))
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	62	+(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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35	35	)))
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36	36
37		-[[image:1653267211009-519.png||height="419" width="724"]]
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38	38
	71	+
39	39	== 1.2 Specifications ==
40	40
	74	+
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
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44	44	* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46	46	** Idle: 32mA@12v
47		-
48		-*
49	49	** 20dB Transmit: 65mA@12v
50	50
51	51	**Interface for Model:**
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72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74	74	* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	107	+* Packet engine up to 256 bytes with CRC
76	76
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	112	+
77	77	== 1.3 Features ==
78	78
79	79	* LoRaWAN Class A & Class C protocol (default Class C)
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85	85	* Support Modbus protocol
86	86	* Support Interrupt uplink (Since hardware version v1.2)
87	87
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	127	+
88	88	== 1.4 Applications ==
89	89
90	90	* Smart Buildings & Home Automation
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94	94	* Smart Cities
95	95	* Smart Factory
96	96
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	140	+
97	97	== 1.5 Firmware Change log ==
98	98
99	99	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
100	100
	145	+
101	101	== 1.6 Hardware Change log ==
102	102
103	103	(((
104	104	(((
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105	105	v1.2: Add External Interrupt Pin.
	152	+)))
106	106
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107	107	v1.0: Release
108	108	)))
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109	109	)))
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110	110
111	111	= 2. Power ON Device =
112	112
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120	120	Once there is power, the RS485-LN will be on.
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
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125	125
126	126	= 3. Operation Mode =
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128	128	== 3.1 How it works? ==
129	129
130	130	(((
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131	131	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
132	132	)))
133	133
	188	+
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	190	+
134	134	== 3.2 Example to join LoRaWAN network ==
135	135
136	136	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
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138		-[[image:1653268155545-638.png||height="334" width="724"]]
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140	140	(((
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141	141	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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142	142
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143	143	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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144	144
145		-[[image:1653268227651-549.png||height="592" width="720"]]
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146	146
	209	+
147	147	(((
148		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	211	+The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
149	149	)))
150	150
151	151	(((
152		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	215	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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160		-[[image:1652953462722-299.png]]
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162	162	(((
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164	164	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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165	165	)))
166	166
167	167	(((
168		-Add APP EUI in the application.
	232	+**Add APP EUI in the application.**
169	169	)))
170	170	)))
171	171
172		-[[image:image-20220519174512-1.png]]
	236	+(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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174		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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176		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	240	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
177	177
178		-[[image:image-20220519174512-4.png]]
	242	+(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
179	179
180	180	You can also choose to create the device manually.
181	181
182		-[[image:1652953542269-423.png||height="710" width="723"]]
	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" %)​
183	183
184		-Add APP KEY and DEV EUI
185	185
186		-[[image:1652953553383-907.png||height="514" width="724"]]
187	187
	250	+**Add APP KEY and DEV EUI**
188	188
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	253	+
	254	+
189	189	(((
190		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	256	+(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
191	191	)))
192	192
193		-[[image:1652953568895-172.png||height="232" width="724"]]
	259	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
194	194
	261	+
195	195	== 3.3 Configure Commands to read data ==
196	196
197	197	(((
198	198	(((
199		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	266	+(((
	267	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200	200	)))
	269	+)))
201	201
202	202	(((
	272	+(((
203	203	(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
204	204	)))
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205	205	)))
	278	+)))
206	206
207	207	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
208	208
209		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	282	+To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
210	210
211		-**~1. RS485-MODBUS mode:**
212		-
213		-AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
214		-
215		-**2. TTL mode:**
216		-
217		-AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
218		-
219		-RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
220		-
221		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
222		-|(((
	284	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	285	+|=(% style="width: 110px;" %)(((
223	223	**AT Commands**
224		-)))|(% style="width:285px" %)(((
	287	+)))|=(% style="width: 190px;" %)(((
225	225	**Description**
226		-)))|(% style="width:347px" %)(((
	289	+)))|=(% style="width: 190px;" %)(((
227	227	**Example**
228	228	)))
229		-|(((
	292	+|(% style="width:110px" %)(((
230	230	AT+BAUDR
231		-)))|(% style="width:285px" %)(((
	294	+)))|(% style="width:190px" %)(((
232	232	Set the baud rate (for RS485 connection). Default Value is: 9600.
233		-)))|(% style="width:347px" %)(((
	296	+)))|(% style="width:190px" %)(((
234	234	(((
235	235	AT+BAUDR=9600
236	236	)))
...	...	@@ -239,18 +239,12 @@
239	239	Options: (1200,2400,4800,14400,19200,115200)
240	240	)))
241	241	)))
242		-|(((
	305	+|(% style="width:110px" %)(((
243	243	AT+PARITY
244		-)))|(% style="width:285px" %)(((
245		-(((
	307	+)))|(% style="width:190px" %)(((
246	246	Set UART parity (for RS485 connection)
247		-)))
248		-
	309	+)))|(% style="width:190px" %)(((
249	249	(((
250		-Default Value is: no parity.
251		-)))
252		-)))|(% style="width:347px" %)(((
253		-(((
254	254	AT+PARITY=0
255	255	)))
256	256
...	...	@@ -258,17 +258,17 @@
258	258	Option: 0: no parity, 1: odd parity, 2: even parity
259	259	)))
260	260	)))
261		-|(((
	318	+|(% style="width:110px" %)(((
262	262	AT+STOPBIT
263		-)))|(% style="width:285px" %)(((
	320	+)))|(% style="width:190px" %)(((
264	264	(((
265	265	Set serial stopbit (for RS485 connection)
266	266	)))
267	267
268	268	(((
269		-Default Value is: 1bit.
	326	+
270	270	)))
271		-)))|(% style="width:347px" %)(((
	328	+)))|(% style="width:190px" %)(((
272	272	(((
273	273	AT+STOPBIT=0 for 1bit
274	274	)))
...	...	@@ -282,104 +282,64 @@
282	282	)))
283	283	)))
284	284
	342	+
285	285	=== 3.3.2 Configure sensors ===
286	286
287	287	(((
288		-Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**.
289		-)))
290		-
291	291	(((
292		-When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
	347	+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.
293	293	)))
294		-
295		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
296		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
297		-|AT+CFGDEV|(% style="width:418px" %)(((
298		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
299		-
300		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
301		-
302		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
303		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
304		-
305		-Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
306		-
307		-=== 3.3.3 Configure read commands for each sampling ===
308		-
309		-(((
310		-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.
311	311	)))
312	312
	351	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	352	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	353	+|AT+CFGDEV|(% style="width:110px" %)(((
313	313	(((
314		-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.
	355	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
315	315	)))
316	316
317	317	(((
318		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	359	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
319	319	)))
320	320
321	321	(((
322		-This section describes how to achieve above goals.
	363	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
323	323	)))
	365	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
324	324
325		-(((
326		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
327		-)))
328	328
329		-(((
330		-**Command from RS485-BL to Sensor:**
331		-)))
	368	+=== 3.3.3 Configure read commands for each sampling ===
332	332
333	333	(((
334		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
335		-)))
	371	+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.
336	336
337		-(((
338		-**Handle return from sensors to RS485-BL**:
339		-)))
	373	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
340	340
341		-(((
342		-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**
343		-)))
	375	+This section describes how to achieve above goals.
344	344
345		-* (((
346		-**AT+DATACUT**
347		-)))
	377	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
348	348
349		-(((
350		-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.
351		-)))
352	352
353		-* (((
354		-**AT+SEARCH**
355		-)))
	380	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
356	356
357		-(((
358		-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.
359		-)))
	382	+~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.
360	360
361		-(((
362		-**Define wait timeout:**
363		-)))
	384	+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.
364	364
365		-(((
366		-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
367		-)))
	386	+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
368	368
369		-(((
	388	+
370	370	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
371		-)))
372	372
373		-**Examples:**
374		-
375	375	Below are examples for the how above AT Commands works.
376	376
377		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
378	378
379		-(% border="1" class="table-bordered" %)
380		-|(((
381		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	394	+(% 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:
382	382
	396	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	397	+|(% style="width:496px" %)(((
	398	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	399	+
383	383	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
384	384
385	385	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
...	...	@@ -387,43 +387,13 @@
387	387
388	388	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.
389	389
390		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	407	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
391	391
392		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
393	393
394		-(% border="1" class="table-bordered" %)
395		-|(((
396		-**AT+SEARCHx=aa,xx xx xx xx xx**
	410	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
397	397
398		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
399		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
400		-
401		-
402		-)))
403		-
404		-Examples:
405		-
406		-1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
407		-
408		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
409		-
410		-The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
411		-
412		-[[image:1652954654347-831.png]]
413		-
414		-
415		-1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
416		-
417		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
418		-
419		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
420		-
421		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
422		-
423		-
424		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
425		-
426		-|(((
	412	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	413	+|(% style="width:510px" %)(((
427	427	**AT+DATACUTx=a,b,c**
428	428
429	429	* **a: length for the return of AT+COMMAND**
...	...	@@ -431,773 +431,1075 @@
431	431	* **c: define the position for valid value.  **
432	432	)))
433	433
434		-Examples:
	421	+**Examples:**
435	435
436		-* Grab bytes:
	423	+* (% style="color:#037691" %)**Grab bytes**
437	437
438		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	425	+(% 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" %)​
439	439
440		-* Grab a section.
441	441
442		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	428	+* (% style="color:#037691" %)**Grab a section**
443	443
444		-* Grab different sections.
	430	+(% 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" %)​
445	445
446		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
447	447
	433	+* (% style="color:#037691" %)**Grab different sections**
448	448
449		-Note:
	435	+(% 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" %)​
450	450
451		-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.
452	452
453		-Example:
	438	+
	439	+)))
454	454
455		-AT+COMMAND1=11 01 1E D0,0
	441	+=== 3.3.4 Compose the uplink payload ===
456	456
457		-AT+SEARCH1=1,1E 56 34
458		-
459		-AT+DATACUT1=0,2,1~~5
460		-
461		-Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
462		-
463		-String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
464		-
465		-Valid payload after DataCUT command: 2e 30 58 5f 36
466		-
467		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
468		-
469		-
470		-
471		-
472		-1.
473		-11.
474		-111. Compose the uplink payload
475		-
	443	+(((
476	476	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.**
477	477
	446	+
	447	+)))
478	478
479		-**Examples: AT+DATAUP=0**
	449	+(((
	450	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
480	480
481		-Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
	452	+
	453	+)))
482	482
	455	+(((
	456	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	457	+)))
	458	+
	459	+(((
483	483	Final Payload is
	461	+)))
484	484
485		-Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
	463	+(((
	464	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	465	+)))
486	486
	467	+(((
487	487	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	469	+)))
488	488
489		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	471	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
490	490
491	491
	474	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
492	492
493		-**Examples: AT+DATAUP=1**
494	494
495		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
	477	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
496	496
497	497	Final Payload is
498	498
499		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	481	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
500	500
501		-1. Battery Info (2 bytes): Battery voltage
502		-1. PAYVER (1 byte): Defined by AT+PAYVER
503		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
504		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
505		-1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
506	506
507		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	484	+1. PAYVER: Defined by AT+PAYVER
	485	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	486	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	487	+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
508	508
	489	+(% 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" %)​
509	509
510		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
511	511
512		-DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
	492	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
513	513
514		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
	494	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
515	515
516		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	496	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
517	517
	498	+DATA3=the rest of Valid value of RETURN10= **30**
518	518
519	519
520		-Below are the uplink payloads:
	501	+(% 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:
521	521
522		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	503	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
523	523
	505	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
524	524
525		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
	507	+ * For US915 band, max 11 bytes for each uplink.
526	526
527		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	509	+ ~* For all other bands: max 51 bytes for each uplink.
528	528
529		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
530	530
531		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	512	+Below are the uplink payloads:
532	532
533		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	514	+(% 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" %)​
534	534
535	535
536	536
537		-1.
538		-11.
539		-111. Uplink on demand
	518	+=== 3.3.5 Uplink on demand ===
540	540
541		-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.
	520	+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.
542	542
543	543	Downlink control command:
544	544
545		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	524	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
546	546
547		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	526	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
548	548
549	549
550	550
551		-1.
552		-11.
553		-111. Uplink on Interrupt
	530	+=== 3.3.6 Uplink on Interrupt ===
554	554
555		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	532	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
556	556
557		-AT+INTMOD=0  Disable Interrupt
	534	+(% 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" %)​
558	558
559		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	536	+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.
560	560
561		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
562	562
563		-AT+INTMOD=3  Interrupt trigger by rising edge.
	539	+== 3.4 Uplink Payload ==
564	564
565	565
566		-1.
567		-11. Uplink Payload
	542	+(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
568	568
569		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
570		-|Value|(((
571		-Battery(mV)
572		-
573		-&
574		-
575		-Interrupt _Flag
576		-)))|(((
577		-PAYLOAD_VER
578		-
579		-
580		-)))|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.
581		-
582	582	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
583	583
584	584
585		-function Decoder(bytes, port) {
	547	+== 3.5 Configure RS485-LN via AT or Downlink ==
586	586
587		-~/~/Payload Formats of RS485-BL Deceive
	549	+(((
	550	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	551	+)))
588	588
589		-return {
	553	+(((
	554	+There are two kinds of Commands:
	555	+)))
590	590
591		- ~/~/Battery,units:V
	557	+* (((
	558	+(% 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]]
	559	+)))
592	592
593		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	561	+* (((
	562	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	563	+)))
594	594
595		- ~/~/GPIO_EXTI
	565	+(((
	566	+
	567	+)))
596	596
597		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
598	598
599		- ~/~/payload of version
	570	+=== 3.5.1 Common Commands ===
600	600
601		- Pay_ver:bytes[2],
	572	+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]]
602	602
603		- };
604	604
605		- }
	575	+=== 3.5.2 Sensor related commands ===
606	606
	577	+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.
607	607
	579	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
608	608
	581	+The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
609	609
610	610
	584	+=== 3.5.3 Sensor related commands ===
611	611
612	612
613		-TTN V3 uplink screen shot.
614	614
615		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
616	616
617		-1.
618		-11. Configure RS485-BL via AT or Downlink
	589	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
619	619
620		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	591	+(((
	592	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	593	+)))
621	621
622		-There are two kinds of Commands:
	595	+* (((
	596	+(% style="color:#037691" %)**AT Command**
623	623
624		-* **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
	598	+(((
	599	+**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
	600	+)))
	601	+)))
625	625
626		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	603	+(((
	604	+
	605	+)))
627	627
628		-1.
629		-11.
630		-111. Common Commands:
	607	+* (((
	608	+(% style="color:#037691" %)**Downlink Payload**
	609	+)))
631	631
632		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
	611	+(((
	612	+Format: A8 MM NN XX XX XX XX YY
	613	+)))
633	633
	615	+(((
	616	+Where:
	617	+)))
634	634
635		-1.
636		-11.
637		-111. Sensor related commands:
	619	+* (((
	620	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	621	+)))
	622	+* (((
	623	+NN: The length of RS485 command
	624	+)))
	625	+* (((
	626	+XX XX XX XX: RS485 command total NN bytes
	627	+)))
	628	+* (((
	629	+(((
	630	+YY: How many bytes will be uplink from the return of this RS485 command,
	631	+)))
638	638
639		-==== Choose Device Type (RS485 or TTL) ====
	633	+* (((
	634	+if YY=0, RS485-LN will execute the downlink command without uplink;
	635	+)))
	636	+* (((
	637	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	638	+)))
	639	+* (((
	640	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	641	+)))
	642	+)))
640	640
641		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	644	+(((
	645	+
642	642
643		-* AT Command
	647	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	648	+)))
644	644
645		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	650	+(((
	651	+To connect a Modbus Alarm with below commands.
	652	+)))
646	646
647		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	654	+* (((
	655	+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.
	656	+)))
648	648
	658	+* (((
	659	+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.
	660	+)))
649	649
650		-* Downlink Payload
	662	+(((
	663	+
651	651
652		-**0A aa**     à same as AT+MOD=aa
	665	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	666	+)))
653	653
	668	+(((
	669	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	670	+)))
654	654
	672	+(((
	673	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	674	+)))
655	655
656		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	676	+(((
	677	+A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
	678	+)))
657	657
658		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	680	+(((
	681	+
	682	+)))
659	659
660		-* AT Command
	684	+(((
	685	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	686	+)))
661	661
662		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	688	+(((
	689	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	690	+)))
663	663
664		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	692	+(((
	693	+
	694	+)))
665	665
	696	+(((
	697	+(((
	698	+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**
	699	+)))
666	666
	701	+
	702	+)))
667	667
668		-* Downlink Payload
	704	+(((
	705	+ (% 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" %)​
	706	+)))
669	669
670		-Format: A8 MM NN XX XX XX XX YY
671	671
672		-Where:
673	673
674		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
675		-* NN: The length of RS485 command
676		-* XX XX XX XX: RS485 command total NN bytes
677		-* 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
678	678
679		-**Example 1:**
	711	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
680	680
681		-To connect a Modbus Alarm with below commands.
	713	+(((
	714	+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.
	715	+)))
682	682
683		-* 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.
	717	+* (((
	718	+(% style="color:#037691" %)**AT Command:**
684	684
685		-* 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.
	720	+**AT+PAYVER:    **Set PAYVER field = 1
686	686
687		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	722	+
	723	+)))
	724	+* (((
	725	+(% style="color:#037691" %)**Downlink Payload:**
	726	+)))
688	688
689		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	728	+(((
	729	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	730	+)))
690	690
691		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	732	+(((
	733	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	734	+)))
692	692
693		-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.
694	694
695	695
696		-**Example 2:**
697	697
698		-Check TTL Sensor return:
	739	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
699	699
700		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	741	+(((
	742	+AT+COMMANDx or AT+DATACUTx
	743	+)))
701	701
	745	+(((
	746	+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"]].
	747	+)))
702	702
	749	+(((
	750	+
	751	+)))
703	703
	753	+* (((
	754	+(% style="color:#037691" %)**AT Command:**
	755	+)))
704	704
705		-==== Set Payload version ====
	757	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
706	706
707		-This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
	759	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
708	708
709		-* AT Command:
710	710
711		-AT+PAYVER: Set PAYVER field = 1
	762	+* (((
	763	+(% style="color:#037691" %)**Downlink Payload:**
	764	+)))
712	712
	766	+(((
	767	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	768	+)))
713	713
714		-* Downlink Payload:
	770	+(((
	771	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	772	+)))
715	715
716		-0xAE 01   à Set PAYVER field =  0x01
	774	+(((
	775	+Format: AF MM NN LL XX XX XX XX YY
	776	+)))
717	717
718		-0xAE 0F   à Set PAYVER field =  0x0F
	778	+(((
	779	+Where:
	780	+)))
719	719
	782	+* (((
	783	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	784	+)))
	785	+* (((
	786	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	787	+)))
	788	+* (((
	789	+LL:  The length of AT+COMMAND or AT+DATACUT command
	790	+)))
	791	+* (((
	792	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	793	+)))
	794	+* (((
	795	+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.
	796	+)))
720	720
721		-==== Set RS485 Sampling Commands ====
	798	+(((
	799	+
722	722
723		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	801	+**Example:**
	802	+)))
724	724
725		-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]].
	804	+(((
	805	+(% 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
	806	+)))
726	726
	808	+(((
	809	+(% 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**
	810	+)))
727	727
728		-* AT Command:
	812	+(((
	813	+(% 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**
	814	+)))
729	729
730		-AT+COMMANDx: Configure RS485 read command to sensor.
731	731
732		-AT+DATACUTx: Configure how to handle return from RS485 devices.
733	733
734		-AT+SEARCHx: Configure search command
735	735
	819	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
736	736
737		-* Downlink Payload:
	821	+(((
	822	+**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]].
	823	+)))
738	738
739		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	825	+(((
	826	+This command is valid since v1.3 firmware version
	827	+)))
740	740
741		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	829	+(((
	830	+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.
	831	+)))
742	742
743		-Format: AF MM NN LL XX XX XX XX YY
	833	+(((
	834	+
	835	+)))
744	744
745		-Where:
	837	+(((
	838	+**Example:**
	839	+)))
746	746
747		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
748		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
749		-* LL: The length of AT+COMMAND or AT+DATACUT command
750		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
751		-* 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.
	841	+* (((
	842	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	843	+)))
	844	+* (((
	845	+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.
	846	+)))
	847	+* (((
	848	+AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
752	752
753		-Example:
	850	+
	851	+)))
754	754
755		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	853	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
756	756
757		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	855	+(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
758	758
759		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
760	760
761	761
762		-0xAB downlink command can be used for set AT+SEARCHx
763	763
764		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	860	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
765	765
766		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
767		-* 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
	862	+(((
	863	+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.
	864	+)))
768	768
769		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	866	+(((
	867	+Default value: 0, range:  0 ~~ 65 seconds
	868	+)))
770	770
	870	+* (((
	871	+(% style="color:#037691" %)** AT Command:**
771	771
772		-==== Fast command to handle MODBUS device ====
	873	+**AT+CMDDLaa=hex(bb cc)*1000**
	874	+)))
773	773
774		-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]].
	876	+(((
	877	+
775	775
776		-This command is valid since v1.3 firmware version
	879	+**Example:**
	880	+)))
777	777
	882	+(((
	883	+**AT+CMDDL1=1000** to send the open time to 1000ms
	884	+)))
778	778
779		-AT+MBFUN has only two value:
	886	+(((
	887	+
	888	+)))
780	780
781		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	890	+* (((
	891	+(% style="color:#037691" %)** Downlink Payload:**
	892	+)))
782	782
783		-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.
	894	+(((
	895	+**0x AA aa bb cc**
	896	+)))
784	784
785		-* AT+MBFUN=0: Disable Modbus fast reading.
	898	+(((
	899	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	900	+)))
786	786
787		-Example:
	902	+(((
	903	+**Example:**
	904	+)))
788	788
789		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
790		-* 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.
791		-* 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.
	906	+(((
	907	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	908	+)))
792	792
793		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
794	794
795	795
796		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
797	797
	913	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
798	798
799		-* Downlink Commands:
	915	+(((
	916	+Define to use one uplink or multiple uplinks for the sampling.
	917	+)))
800	800
801		-A9 aa -à Same as AT+MBFUN=aa
	919	+(((
	920	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
802	802
	922	+
	923	+)))
803	803
804		-==== RS485 command timeout ====
	925	+* (((
	926	+(% style="color:#037691" %)** AT Command:**
	927	+)))
805	805
806		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
	929	+**AT+DATAUP=0**
807	807
808		-Default value: 0, range:  0 ~~ 5 seconds
	931	+**AT+DATAUP=1**
809	809
810	810
811		-* AT Command:
	934	+* (((
	935	+(% style="color:#037691" %)** Downlink Payload:**
	936	+)))
812	812
813		-AT+CMDDLaa=hex(bb cc)
	938	+(((
	939	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	940	+)))
814	814
815		-Example:
	942	+(((
	943	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	944	+)))
816	816
817		-**AT+CMDDL1=1000** to send the open time to 1000ms
818	818
819	819
820		-* Downlink Payload:
821	821
822		-0x AA aa bb cc
	949	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
823	823
824		-Same as: AT+CMDDLaa=hex(bb cc)
	951	+(((
	952	+Ask device to send an uplink immediately.
	953	+)))
825	825
826		- Example:
	955	+* (((
	956	+(% style="color:#037691" %)** AT Command:**
	957	+)))
827	827
828		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	959	+(((
	960	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	961	+)))
829	829
	963	+(((
	964	+
	965	+)))
830	830
831		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	967	+* (((
	968	+(% style="color:#037691" %)** Downlink Payload:**
	969	+)))
832	832
833		-Define to use one uplink or multiple uplinks for the sampling.
	971	+(((
	972	+**0x08 FF**, RS485-LN will immediately send an uplink.
	973	+)))
834	834
835		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
836	836
837		-* AT Command:
838	838
839		-AT+DATAUP=0
840	840
841		-AT+DATAUP=1
	978	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
842	842
	980	+(((
	981	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
843	843
844		-* Downlink Payload:
	983	+
	984	+)))
845	845
846		-0xAD 00   à Same as AT+DATAUP=0
	986	+* (((
	987	+(% style="color:#037691" %)** AT Command:**
	988	+)))
847	847
848		-0xAD 01   à Same as AT+DATAUP=1
	990	+(((
	991	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	992	+)))
849	849
	994	+(((
	995	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	996	+)))
850	850
851		-==== Manually trigger an Uplink ====
	998	+(((
	999	+Example screen shot after clear all RS485 commands.
	1000	+)))
852	852
853		-Ask device to send an uplink immediately.
	1002	+(((
	1003	+
	1004	+)))
854	854
855		-* Downlink Payload:
	1006	+(((
	1007	+The uplink screen shot is:
	1008	+)))
856	856
857		-0x08 FF, RS485-BL will immediately send an uplink.
	1010	+(% 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" %)​
858	858
859	859
860		-==== Clear RS485 Command ====
	1013	+* (((
	1014	+(% style="color:#037691" %)** Downlink Payload:**
	1015	+)))
861	861
862		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	1017	+(((
	1018	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1019	+)))
863	863
864	864
865		-* AT Command:
866	866
867		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
868	868
869		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1024	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
870	870
871		-Example screen shot after clear all RS485 commands.
	1026	+(((
	1027	+Set the Rs485 serial communication parameters:
	1028	+)))
872	872
	1030	+* (((
	1031	+(% style="color:#037691" %)** AT Command:**
	1032	+)))
873	873
	1034	+(((
	1035	+
874	874
875		-The uplink screen shot is:
	1037	+* Set Baud Rate
	1038	+)))
876	876
877		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1040	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
878	878
879	879
880		-* Downlink Payload:
	1043	+(((
	1044	+* Set UART Parity
	1045	+)))
881	881
882		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1047	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
883	883
884	884
885		-==== Set Serial Communication Parameters ====
	1050	+(((
	1051	+* Set STOPBIT
	1052	+)))
886	886
887		-Set the Rs485 serial communication parameters:
	1054	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
888	888
889		-* AT Command:
890	890
891		-Set Baud Rate:
892	892
893		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1058	+* (((
	1059	+(% style="color:#037691" %)** Downlink Payload:**
	1060	+)))
894	894
	1062	+(((
	1063	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1064	+)))
895	895
896		-Set UART parity
	1066	+(((
	1067	+**Example:**
	1068	+)))
897	897
898		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1070	+* (((
	1071	+A7 01 00 60   same as AT+BAUDR=9600
	1072	+)))
	1073	+* (((
	1074	+A7 01 04 80  same as AT+BAUDR=115200
	1075	+)))
899	899
	1077	+(((
	1078	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1079	+)))
900	900
901		-Set STOPBIT
	1081	+(((
	1082	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1083	+)))
902	902
903		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
904	904
905	905
906		-* Downlink Payload:
907	907
908		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1088	+== 3.6 Listening mode for RS485 network ==
909	909
910		-Example:
	1090	+(((
	1091	+This feature support since firmware v1.4
	1092	+)))
911	911
912		-* A7 01 00 60   same as AT+BAUDR=9600
913		-* A7 01 04 80  same as AT+BAUDR=115200
	1094	+(((
	1095	+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.
	1096	+)))
914	914
915		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1098	+(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
916	916
917		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1100	+(((
	1101	+To enable the listening mode, use can run the command AT+RXMODE.
	1102	+)))
918	918
	1104	+(((
	1105	+
	1106	+)))
919	919
920		-==== Control output power duration ====
	1108	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1109	+|=(% style="width: 100px;" %)(((
	1110	+**Command example**
	1111	+)))|=(% style="width: 400px;" %)(((
	1112	+**Function**
	1113	+)))
	1114	+|(% style="width:100px" %)(((
	1115	+AT+RXMODE=1,10
	1116	+)))|(% style="width:400px" %)(((
	1117	+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.
	1118	+)))
	1119	+|(% style="width:100px" %)(((
	1120	+AT+RXMODE=2,500
	1121	+)))|(% style="width:400px" %)(((
	1122	+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
	1123	+)))
	1124	+|(% style="width:100px" %)(((
	1125	+AT+RXMODE=0,0
	1126	+)))|(% style="width:400px" %)(((
	1127	+Disable listening mode. This is the default settings.
	1128	+)))
	1129	+|(% style="width:100px" %)(((
	1130	+
	1131	+)))|(% style="width:400px" %)(((
	1132	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1133	+)))
921	921
922		-User can set the output power duration before each sampling.
	1135	+(((
	1136	+(% style="color:#037691" %)** Downlink Command:**
	1137	+)))
923	923
924		-* AT Command:
	1139	+(((
	1140	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1141	+)))
925	925
926		-Example:
	1143	+(((
	1144	+
	1145	+)))
927	927
928		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1147	+(((
	1148	+**Example**:
	1149	+)))
929	929
930		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1151	+(((
	1152	+The RS485-LN is set to AT+RXMODE=2,1000
	1153	+)))
931	931
	1155	+(((
	1156	+There is a two Modbus commands in the RS485 network as below:
	1157	+)))
932	932
933		-* LoRaWAN Downlink Command:
	1159	+(((
	1160	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1161	+)))
934	934
935		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1163	+(((
	1164	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1165	+)))
936	936
937		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1167	+(((
	1168	+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
	1169	+)))
938	938
	1171	+(((
	1172	+(% 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" %)​
	1173	+)))
939	939
	1175	+(((
	1176	+
	1177	+)))
940	940
	1179	+(((
	1180	+(((
	1181	+(% 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.
	1182	+)))
	1183	+)))
941	941
942		-1.
943		-11. Buttons
944	944
945		-|**Button**|**Feature**
946		-|**RST**|Reboot RS485-BL
	1186	+== 3.7 Buttons ==
947	947
948		-1.
949		-11. +3V3 Output
950	950
951		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1189	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1190	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1191	+|(% 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**
	1192	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1193	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
952	952
953		-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.
	1195	+== 3.8 LEDs ==
954	954
955	955
956		-The +3V3 output time can be controlled by AT Command.
	1198	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1199	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1200	+|**PWR**|Always on if there is power
	1201	+|**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.
957	957
958		-**AT+3V3T=1000**
	1203	+= 4. Case Study =
959	959
960		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1205	+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]]
961	961
962	962
963		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1208	+= 5. Use AT Command =
964	964
	1210	+== 5.1 Access AT Command ==
965	965
966		-1.
967		-11. +5V Output
	1212	+(((
	1213	+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.
	1214	+)))
968	968
969		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1216	+(% 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" %)​
970	970
971		-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.
972	972
	1219	+(((
	1220	+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:
	1221	+)))
973	973
974		-The 5V output time can be controlled by AT Command.
	1223	+(% 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" %)​
975	975
976		-**AT+5VT=1000**
977	977
978		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1226	+(((
	1227	+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/]]
	1228	+)))
979	979
980	980
981		-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.
982	982
	1232	+== 5.2 Common AT Command Sequence ==
983	983
	1234	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
984	984
	1236	+If device has not joined network yet:
985	985
986		-1.
987		-11. LEDs
	1238	+(% class="box infomessage" %)
	1239	+(((
	1240	+**AT+FDR**
	1241	+)))
988	988
989		-|**LEDs**|**Feature**
990		-|**LED1**|Blink when device transmit a packet.
	1243	+(% class="box infomessage" %)
	1244	+(((
	1245	+**AT+NJM=0**
	1246	+)))
991	991
992		-1.
993		-11. Switch Jumper
	1248	+(% class="box infomessage" %)
	1249	+(((
	1250	+**ATZ**
	1251	+)))
994	994
995		-|**Switch Jumper**|**Feature**
996		-|**SW1**|(((
997		-ISP position: Upgrade firmware via UART
998	998
999		-Flash position: Configure device, check running status.
	1254	+(((
	1255	+If device already joined network:
1000	1000	)))
1001		-|**SW2**|(((
1002		-5V position: set to compatible with 5v I/O.
1003	1003
1004		-3.3v position: set to compatible with 3.3v I/O.,
	1258	+(% class="box infomessage" %)
	1259	+(((
	1260	+**AT+NJM=0**
1005	1005	)))
1006	1006
1007		-+3.3V: is always ON
	1263	+(% class="box infomessage" %)
	1264	+(((
	1265	+**ATZ**
	1266	+)))
1008	1008
1009		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1010	1010
1011		-1. Case Study
	1269	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1012	1012
1013		-User can check this URL for some case studies.
1014	1014
1015		-[[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]]
	1272	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1016	1016
	1274	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1017	1017
	1276	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1018	1018
	1278	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1019	1019
1020		-1. Use AT Command
1021		-11. Access AT Command
	1280	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1022	1022
1023		-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.
	1282	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1024	1024
1025		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1284	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1026	1026
	1286	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1027	1027
1028		-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:
	1288	+(% 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.
1029	1029
1030		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1290	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1031	1031
1032	1032
	1293	+(% style="color:red" %)**Note:**
1033	1033
1034		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1295	+(((
	1296	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1297	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1298	+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.
	1299	+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
	1300	+)))
1035	1035
	1302	+(% 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" %)​
1036	1036
1037	1037
1038		-1.
1039		-11. Common AT Command Sequence
1040		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1305	+= 6. FAQ =
1041	1041
1042		-If device has not joined network yet:
	1307	+== 6.1 How to upgrade the image? ==
1043	1043
1044		-AT+FDR
	1309	+(((
	1310	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1311	+)))
1045	1045
1046		-AT+NJM=0
	1313	+* (((
	1314	+Support new features
	1315	+)))
	1316	+* (((
	1317	+For bug fix
	1318	+)))
	1319	+* (((
	1320	+Change LoRaWAN bands.
	1321	+)))
1047	1047
1048		-ATZ
	1323	+(((
	1324	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1325	+)))
1049	1049
	1327	+(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1050	1050
1051		-If device already joined network:
	1329	+(((
	1330	+**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]].
	1331	+)))
1052	1052
1053		-AT+NJM=0
	1333	+(((
	1334	+**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1335	+)))
1054	1054
1055		-ATZ
	1337	+(((
	1338	+**Step3: **Open flashloader; choose the correct COM port to update.
	1339	+)))
1056	1056
1057		-1.
1058		-11.
1059		-111. Single-channel ABP mode (Use with LG01/LG02)
	1341	+(((
	1342	+(((
	1343	+(((
	1344	+(% 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.
	1345	+)))
	1346	+)))
	1347	+)))
1060	1060
1061		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1062	1062
1063		-AT+NJM=0 Set to ABP mode
	1350	+(% 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" %)​
1064	1064
1065		-AT+ADR=0 Set the Adaptive Data Rate Off
1066	1066
1067		-AT+DR=5  Set Data Rate
	1353	+(% 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" %)​
1068	1068
1069		-AT+TDC=60000  Set transmit interval to 60 seconds
1070	1070
1071		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1356	+(% 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" %)​
1072	1072
1073		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1074	1074
1075		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1359	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1076	1076
1077		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1361	+(% 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" %)​
1078	1078
1079		-ATZ          Reset MCU
1080	1080
1081		-**Note:**
	1364	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1082	1082
1083		-1. Make sure the device is set to ABP mode in the IoT Server.
1084		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1085		-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.
1086		-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
	1366	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1087	1087
1088		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1089	1089
	1369	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1090	1090
1091		-1. FAQ
1092		-11. How to upgrade the image?
	1371	+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"]].
1093	1093
1094		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1095	1095
1096		-* Support new features
1097		-* For bug fix
1098		-* Change LoRaWAN bands.
	1374	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1099	1099
1100		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1376	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1101	1101
1102		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1378	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1103	1103
1104		-**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]].
1105	1105
1106		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1381	+= 7. Trouble Shooting =
1107	1107
1108		-**Step3: **Open flashloader; choose the correct COM port to update.
	1383	+== 7.1 Downlink doesn’t work, how to solve it? ==
1109	1109
	1385	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1110	1110
1111		-|(((
1112		-HOLD PRO then press the RST button, SYS will be ON, then click next
1113		-)))
1114	1114
1115		-|(((
1116		-Board detected
1117		-)))
	1388	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1118	1118
1119		-|(((
1120		-
1121		-)))
	1390	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1122	1122
1123		-[[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]]
1124	1124
	1393	+= 8. Order Info =
1125	1125
	1395	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1126	1126
1127		-[[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]]
	1397	+(% style="color:blue" %)**XXX:**
1128	1128
	1399	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1400	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1401	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1402	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1403	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1404	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1405	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1406	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1407	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1408	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1129	1129
1130		-[[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]]
1131	1131
1132	1132
1133		-1.
1134		-11. How to change the LoRa Frequency Bands/Region?
1135	1135
1136		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1137	1137
	1414	+= 9.Packing Info =
1138	1138
1139	1139
1140		-1.
1141		-11. How many RS485-Slave can RS485-BL connects?
	1417	+**Package Includes**:
1142	1142
1143		-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]].
	1419	+* RS485-LN x 1
	1420	+* Stick Antenna for LoRa RF part x 1
	1421	+* Program cable x 1
1144	1144
	1423	+**Dimension and weight**:
1145	1145
	1425	+* Device Size: 13.5 x 7 x 3 cm
	1426	+* Device Weight: 105g
	1427	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1428	+* Weight / pcs : 170g
1146	1146
1147	1147
1148		-1. Trouble Shooting
1149		-11. Downlink doesn’t work, how to solve it?
1150	1150
1151		-Please see this link for debug:
1152	1152
1153		-[[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]]
1154	1154
	1434	+= 10. FCC Caution for RS485LN-US915 =
1155	1155
	1436	+(((
	1437	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1438	+)))
1156	1156
1157		-1.
1158		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1440	+(((
	1441	+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.
	1442	+)))
1159	1159
1160		-It might about the channels mapping. Please see for detail.
	1444	+(((
	1445	+
	1446	+)))
1161	1161
1162		-[[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]]
	1448	+(((
	1449	+**IMPORTANT NOTE:**
	1450	+)))
1163	1163
	1452	+(((
	1453	+**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:
	1454	+)))
1164	1164
	1456	+(((
	1457	+—Reorient or relocate the receiving antenna.
	1458	+)))
1165	1165
1166		-1. Order Info
	1460	+(((
	1461	+—Increase the separation between the equipment and receiver.
	1462	+)))
1167	1167
1168		-**Part Number: RS485-BL-XXX**
	1464	+(((
	1465	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1466	+)))
1169	1169
1170		-**XXX:**
	1468	+(((
	1469	+—Consult the dealer or an experienced radio/TV technician for help.
	1470	+)))
1171	1171
1172		-* **EU433**: frequency bands EU433
1173		-* **EU868**: frequency bands EU868
1174		-* **KR920**: frequency bands KR920
1175		-* **CN470**: frequency bands CN470
1176		-* **AS923**: frequency bands AS923
1177		-* **AU915**: frequency bands AU915
1178		-* **US915**: frequency bands US915
1179		-* **IN865**: frequency bands IN865
1180		-* **RU864**: frequency bands RU864
1181		-* **KZ865: **frequency bands KZ865
	1472	+(((
	1473	+
	1474	+)))
1182	1182
1183		-1. Packing Info
	1476	+(((
	1477	+**FCC Radiation Exposure Statement:**
	1478	+)))
1184	1184
1185		-**Package Includes**:
	1480	+(((
	1481	+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.
	1482	+)))
1186	1186
1187		-* RS485-BL x 1
1188		-* Stick Antenna for LoRa RF part x 1
1189		-* Program cable x 1
1190	1190
1191		-**Dimension and weight**:
	1485	+= 11. Support =
1192	1192
1193		-* Device Size: 13.5 x 7 x 3 cm
1194		-* Device Weight: 105g
1195		-* Package Size / pcs : 14.5 x 8 x 5 cm
1196		-* Weight / pcs : 170g
1197		-
1198		-1. Support
1199		-
1200		-* 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.
1201		-* 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
1202		-
1203		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1487	+* (((
	1488	+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.
	1489	+)))
	1490	+* (((
	1491	+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]].
	1492	+)))

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