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" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
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9	9	**Table of Contents:**
10	10
	22	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
...	...	@@ -18,40 +18,56 @@
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.
	42	+(((
	43	+
	44	+
	45	+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	)))
	47	+)))
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.
	50	+(((
	51	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
26	26	)))
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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.
	56	+(((
	57	+(% 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.
	62	+(((
	63	+(% 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	)))
	65	+
	66	+(((
	67	+(% 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"]]
	74	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
38	38
	76	+
39	39	== 1.2 Specifications ==
40	40
	79	+
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
44		-* SX1276/78 Wireless Chip
	83	+* 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:**
52	52
53	53	* RS485
54		-* Power Input 7~~ 24V DC.
	91	+* Power Input 7~~ 24V DC.
55	55
56	56	**LoRa Spec:**
57	57
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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.
	112	+* Packet engine up to 256 bytes with CRC
76	76
	114	+
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
	126	+
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
	136	+
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
	141	+
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.
	148	+)))
106	106
	150	+(((
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]]
	170	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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124	124	)))
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
	184	+
	185	+)))
	186	+
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.
137	137
138		-[[image:1653268155545-638.png||height="334" width="724"]]
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139	139
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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"]]
	203	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
146	146
	205	+
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:
	207	+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.
	211	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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157	157	)))
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160		-[[image:1652953462722-299.png]]
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161	161
	221	+
162	162	(((
163	163	(((
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.
	228	+**Add APP EUI in the application.**
169	169	)))
170	170	)))
171	171
172		-[[image:image-20220519174512-1.png]]
	232	+(% 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" %)​
173	173
174		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	234	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
175	175
176		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	236	+(% 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]]
	238	+(% 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"]]
	242	+(% 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
	246	+**Add APP KEY and DEV EUI**
188	188
	248	+(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	249	+
	250	+
189	189	(((
190		-**Step 2**: Power on RS485-BL 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.
	252	+(% 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"]]
	255	+(% 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
	257	+
195	195	== 3.3 Configure Commands to read data ==
196	196
197	197	(((
198		-There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
	261	+(((
	262	+(((
	263	+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.
199	199	)))
	265	+)))
200	200
201		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	267	+(((
	268	+(((
	269	+(% 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
	270	+)))
202	202
203		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	272	+
	273	+)))
	274	+)))
204	204
205		-**~1. RS485-MODBUS mode:**
	276	+=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
206	206
207		-AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	278	+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:
208	208
209		-**2. TTL mode:**
210		-
211		-AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
212		-
213		-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.
214		-
215		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
216		-|(((
	280	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	281	+|=(% style="width: 110px;" %)(((
217	217	**AT Commands**
218		-)))|(% style="width:285px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
219	219	**Description**
220		-)))|(% style="width:347px" %)(((
	285	+)))|=(% style="width: 190px;" %)(((
221	221	**Example**
222	222	)))
223		-|(((
	288	+|(% style="width:110px" %)(((
224	224	AT+BAUDR
225		-)))|(% style="width:285px" %)(((
	290	+)))|(% style="width:190px" %)(((
226	226	Set the baud rate (for RS485 connection). Default Value is: 9600.
227		-)))|(% style="width:347px" %)(((
	292	+)))|(% style="width:190px" %)(((
228	228	(((
229	229	AT+BAUDR=9600
230	230	)))
...	...	@@ -233,18 +233,12 @@
233	233	Options: (1200,2400,4800,14400,19200,115200)
234	234	)))
235	235	)))
236		-|(((
	301	+|(% style="width:110px" %)(((
237	237	AT+PARITY
238		-)))|(% style="width:285px" %)(((
239		-(((
	303	+)))|(% style="width:190px" %)(((
240	240	Set UART parity (for RS485 connection)
241		-)))
242		-
	305	+)))|(% style="width:190px" %)(((
243	243	(((
244		-Default Value is: no parity.
245		-)))
246		-)))|(% style="width:347px" %)(((
247		-(((
248	248	AT+PARITY=0
249	249	)))
250	250
...	...	@@ -252,17 +252,17 @@
252	252	Option: 0: no parity, 1: odd parity, 2: even parity
253	253	)))
254	254	)))
255		-|(((
	314	+|(% style="width:110px" %)(((
256	256	AT+STOPBIT
257		-)))|(% style="width:285px" %)(((
	316	+)))|(% style="width:190px" %)(((
258	258	(((
259	259	Set serial stopbit (for RS485 connection)
260	260	)))
261	261
262	262	(((
263		-Default Value is: 1bit.
	322	+
264	264	)))
265		-)))|(% style="width:347px" %)(((
	324	+)))|(% style="width:190px" %)(((
266	266	(((
267	267	AT+STOPBIT=0 for 1bit
268	268	)))
...	...	@@ -276,148 +276,83 @@
276	276	)))
277	277	)))
278	278
279		-=== 3.3.2 Configure sensors ===
280	280
281		-(((
282		-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**.
283		-)))
284	284
285		-(((
286		-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.
287		-)))
288	288
289		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
290		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
291		-|AT+CFGDEV|(% style="width:418px" %)(((
292		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	341	+=== 3.3.2 Configure sensors ===
293	293
294		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
295		-
296		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
297		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
298		-
299		-Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
300		-
301		-=== 3.3.3 Configure read commands for each sampling ===
302		-
303	303	(((
304		-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.
305		-)))
306		-
307	307	(((
308		-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.
	345	+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.
309	309	)))
310		-
311		-(((
312		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
313	313	)))
314	314
	349	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	350	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	351	+|AT+CFGDEV|(% style="width:110px" %)(((
315	315	(((
316		-This section describes how to achieve above goals.
	353	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
317	317	)))
318	318
319	319	(((
320		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
	357	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
321	321	)))
322	322
323	323	(((
324		-**Command from RS485-BL to Sensor:**
	361	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
325	325	)))
	363	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
326	326
327		-(((
328		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
329		-)))
330	330
331		-(((
332		-**Handle return from sensors to RS485-BL**:
333		-)))
334	334
335		-(((
336		-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**
337		-)))
338	338
339		-* (((
340		-**AT+DATACUT**
341		-)))
342	342
343		-(((
344		-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.
345		-)))
	369	+=== 3.3.3 Configure read commands for each sampling ===
346	346
347		-* (((
348		-**AT+SEARCH**
349		-)))
350		-
351	351	(((
352		-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.
353		-)))
	372	+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.
354	354
355		-(((
356		-**Define wait timeout:**
357		-)))
	374	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
358	358
359		-(((
360		-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
361		-)))
	376	+This section describes how to achieve above goals.
362	362
363		-(((
364		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
365		-)))
	378	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
366	366
367		-**Examples:**
368	368
369		-Below are examples for the how above AT Commands works.
	381	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
370	370
371		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
	383	+~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.
372	372
373		-(% border="1" class="table-bordered" %)
374		-|(((
375		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	385	+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.
376	376
377		-**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
	387	+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
378	378
379		-**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
380		-)))
381	381
382		-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.
	390	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
383	383
384		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	392	+Below are examples for the how above AT Commands works.
385	385
386		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
387	387
388		-(% border="1" class="table-bordered" %)
389		-|(((
390		-**AT+SEARCHx=aa,xx xx xx xx xx**
	395	+(% 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:
391	391
392		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
393		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
	397	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	398	+|(% style="width:496px" %)(((
	399	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
394	394
395		-
	401	+**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
	402	+
	403	+**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
396	396	)))
397	397
398		-Examples:
	406	+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.
399	399
400		-1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	408	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
401	401
402		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
403	403
404		-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	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
405	405
406		-[[image:1652954654347-831.png]]
407		-
408		-
409		-1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
410		-
411		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
412		-
413		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
414		-
415		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
416		-
417		-
418		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
419		-
420		-|(((
	413	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	414	+|(% style="width:510px" %)(((
421	421	**AT+DATACUTx=a,b,c**
422	422
423	423	* **a: length for the return of AT+COMMAND**
...	...	@@ -425,773 +425,1065 @@
425	425	* **c: define the position for valid value.  **
426	426	)))
427	427
428		-Examples:
	422	+**Examples:**
429	429
430		-* Grab bytes:
	424	+* (% style="color:#037691" %)**Grab bytes**
431	431
432		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	426	+(% 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" %)​
433	433
434		-* Grab a section.
435	435
436		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	429	+* (% style="color:#037691" %)**Grab a section**
437	437
438		-* Grab different sections.
	431	+(% 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" %)​
439	439
440		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
441	441
	434	+* (% style="color:#037691" %)**Grab different sections**
442	442
443		-Note:
	436	+(% 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" %)​
444	444
445		-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.
446	446
447		-Example:
	439	+
	440	+)))
448	448
449		-AT+COMMAND1=11 01 1E D0,0
	442	+=== 3.3.4 Compose the uplink payload ===
450	450
451		-AT+SEARCH1=1,1E 56 34
452		-
453		-AT+DATACUT1=0,2,1~~5
454		-
455		-Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
456		-
457		-String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
458		-
459		-Valid payload after DataCUT command: 2e 30 58 5f 36
460		-
461		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
462		-
463		-
464		-
465		-
466		-1.
467		-11.
468		-111. Compose the uplink payload
469		-
	444	+(((
470	470	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.**
471	471
	447	+
	448	+)))
472	472
473		-**Examples: AT+DATAUP=0**
	450	+(((
	451	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
474	474
475		-Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
	453	+
	454	+)))
476	476
	456	+(((
	457	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	458	+)))
	459	+
	460	+(((
477	477	Final Payload is
	462	+)))
478	478
479		-Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
	464	+(((
	465	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	466	+)))
480	480
	468	+(((
481	481	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	470	+)))
482	482
483		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	472	+(% 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" %)​
484	484
485	485
	475	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
486	486
487		-**Examples: AT+DATAUP=1**
488	488
489		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
	478	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
490	490
491	491	Final Payload is
492	492
493		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	482	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
494	494
495		-1. Battery Info (2 bytes): Battery voltage
496		-1. PAYVER (1 byte): Defined by AT+PAYVER
497		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
498		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
499		-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
500	500
501		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	485	+1. PAYVER: Defined by AT+PAYVER
	486	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	487	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	488	+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
502	502
	490	+(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
503	503
504		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
505	505
506		-DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
	493	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
507	507
508		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
	495	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
509	509
510		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	497	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
511	511
	499	+DATA3=the rest of Valid value of RETURN10= **30**
512	512
513	513
514		-Below are the uplink payloads:
	502	+(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
515	515
516		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	504	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
517	517
	506	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
518	518
519		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
	508	+ * For US915 band, max 11 bytes for each uplink.
520	520
521		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	510	+ ~* For all other bands: max 51 bytes for each uplink.
522	522
523		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
524	524
525		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	513	+Below are the uplink payloads:
526	526
527		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	515	+(% 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" %)​
528	528
529	529
530	530
531		-1.
532		-11.
533		-111. Uplink on demand
	519	+=== 3.3.5 Uplink on demand ===
534	534
535		-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.
	521	+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.
536	536
537	537	Downlink control command:
538	538
539		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	525	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
540	540
541		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	527	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
542	542
543	543
544	544
545		-1.
546		-11.
547		-111. Uplink on Interrupt
	531	+=== 3.3.6 Uplink on Interrupt ===
548	548
549		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	533	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
550	550
551		-AT+INTMOD=0  Disable Interrupt
	535	+(% 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" %)​
552	552
553		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	537	+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.
554	554
555		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
556	556
557		-AT+INTMOD=3  Interrupt trigger by rising edge.
	540	+== 3.4 Uplink Payload ==
558	558
559	559
560		-1.
561		-11. Uplink Payload
	543	+(% 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" %)​
562	562
563		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
564		-|Value|(((
565		-Battery(mV)
566		-
567		-&
568		-
569		-Interrupt _Flag
570		-)))|(((
571		-PAYLOAD_VER
572		-
573		-
574		-)))|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.
575		-
576	576	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
577	577
578	578
579		-function Decoder(bytes, port) {
	548	+== 3.5 Configure RS485-LN via AT or Downlink ==
580	580
581		-~/~/Payload Formats of RS485-BL Deceive
	550	+(((
	551	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	552	+)))
582	582
583		-return {
	554	+(((
	555	+There are two kinds of Commands:
	556	+)))
584	584
585		- ~/~/Battery,units:V
	558	+* (((
	559	+(% 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]]
	560	+)))
586	586
587		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	562	+* (((
	563	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	564	+)))
588	588
589		- ~/~/GPIO_EXTI
	566	+(((
	567	+
	568	+)))
590	590
591		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
592	592
593		- ~/~/payload of version
	571	+=== 3.5.1 Common Commands ===
594	594
595		- Pay_ver:bytes[2],
	573	+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]]
596	596
597		- };
598	598
599		- }
	576	+=== 3.5.2 Sensor related commands ===
600	600
	578	+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.
601	601
	580	+(% 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" %)​
602	602
	582	+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)
603	603
604	604
	585	+=== 3.5.3 Sensor related commands ===
605	605
606	606
607		-TTN V3 uplink screen shot.
608	608
609		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
610	610
611		-1.
612		-11. Configure RS485-BL via AT or Downlink
	590	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
613	613
614		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	592	+(((
	593	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	594	+)))
615	615
616		-There are two kinds of Commands:
	596	+* (((
	597	+(% style="color:#037691" %)**AT Command**
617	617
618		-* **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
	599	+(((
	600	+**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
	601	+)))
	602	+)))
619	619
620		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	604	+(((
	605	+
	606	+)))
621	621
622		-1.
623		-11.
624		-111. Common Commands:
	608	+* (((
	609	+(% style="color:#037691" %)**Downlink Payload**
	610	+)))
625	625
626		-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]]
	612	+(((
	613	+Format: A8 MM NN XX XX XX XX YY
	614	+)))
627	627
	616	+(((
	617	+Where:
	618	+)))
628	628
629		-1.
630		-11.
631		-111. Sensor related commands:
	620	+* (((
	621	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	622	+)))
	623	+* (((
	624	+NN: The length of RS485 command
	625	+)))
	626	+* (((
	627	+XX XX XX XX: RS485 command total NN bytes
	628	+)))
	629	+* (((
	630	+(((
	631	+YY: How many bytes will be uplink from the return of this RS485 command,
	632	+)))
632	632
633		-==== Choose Device Type (RS485 or TTL) ====
	634	+* (((
	635	+if YY=0, RS485-LN will execute the downlink command without uplink;
	636	+)))
	637	+* (((
	638	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	639	+)))
	640	+* (((
	641	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	642	+)))
	643	+)))
634	634
635		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	645	+(((
	646	+
636	636
637		-* AT Command
	648	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	649	+)))
638	638
639		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	651	+(((
	652	+To connect a Modbus Alarm with below commands.
	653	+)))
640	640
641		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	655	+* (((
	656	+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.
	657	+)))
642	642
	659	+* (((
	660	+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.
	661	+)))
643	643
644		-* Downlink Payload
	663	+(((
	664	+
645	645
646		-**0A aa**     à same as AT+MOD=aa
	666	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	667	+)))
647	647
	669	+(((
	670	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	671	+)))
648	648
	673	+(((
	674	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	675	+)))
649	649
650		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	677	+(((
	678	+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.
	679	+)))
651	651
652		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	681	+(((
	682	+
	683	+)))
653	653
654		-* AT Command
	685	+(((
	686	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	687	+)))
655	655
656		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	689	+(((
	690	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	691	+)))
657	657
658		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	693	+(((
	694	+
	695	+)))
659	659
	697	+(((
	698	+(((
	699	+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**
	700	+)))
660	660
	702	+
	703	+)))
661	661
662		-* Downlink Payload
	705	+(((
	706	+ (% 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" %)​
	707	+)))
663	663
664		-Format: A8 MM NN XX XX XX XX YY
665	665
666		-Where:
667	667
668		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
669		-* NN: The length of RS485 command
670		-* XX XX XX XX: RS485 command total NN bytes
671		-* 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
672	672
673		-**Example 1:**
	712	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
674	674
675		-To connect a Modbus Alarm with below commands.
	714	+(((
	715	+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.
	716	+)))
676	676
677		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	718	+* (((
	719	+(% style="color:#037691" %)**AT Command:**
678	678
679		-* 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.
	721	+**AT+PAYVER:    **Set PAYVER field = 1
680	680
681		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	723	+
	724	+)))
	725	+* (((
	726	+(% style="color:#037691" %)**Downlink Payload:**
	727	+)))
682	682
683		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	729	+(((
	730	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	731	+)))
684	684
685		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	733	+(((
	734	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	735	+)))
686	686
687		-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.
688	688
689	689
690		-**Example 2:**
691	691
692		-Check TTL Sensor return:
	740	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
693	693
694		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	742	+(((
	743	+AT+COMMANDx or AT+DATACUTx
	744	+)))
695	695
	746	+(((
	747	+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"]].
	748	+)))
696	696
	750	+(((
	751	+
	752	+)))
697	697
	754	+* (((
	755	+(% style="color:#037691" %)**AT Command:**
	756	+)))
698	698
699		-==== Set Payload version ====
	758	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
700	700
701		-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.
	760	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
702	702
703		-* AT Command:
704	704
705		-AT+PAYVER: Set PAYVER field = 1
	763	+* (((
	764	+(% style="color:#037691" %)**Downlink Payload:**
	765	+)))
706	706
	767	+(((
	768	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	769	+)))
707	707
708		-* Downlink Payload:
	771	+(((
	772	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	773	+)))
709	709
710		-0xAE 01   à Set PAYVER field =  0x01
	775	+(((
	776	+Format: AF MM NN LL XX XX XX XX YY
	777	+)))
711	711
712		-0xAE 0F   à Set PAYVER field =  0x0F
	779	+(((
	780	+Where:
	781	+)))
713	713
	783	+* (((
	784	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	785	+)))
	786	+* (((
	787	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	788	+)))
	789	+* (((
	790	+LL:  The length of AT+COMMAND or AT+DATACUT command
	791	+)))
	792	+* (((
	793	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	794	+)))
	795	+* (((
	796	+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.
	797	+)))
714	714
715		-==== Set RS485 Sampling Commands ====
	799	+(((
	800	+
716	716
717		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	802	+**Example:**
	803	+)))
718	718
719		-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]].
	805	+(((
	806	+(% 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
	807	+)))
720	720
	809	+(((
	810	+(% 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**
	811	+)))
721	721
722		-* AT Command:
	813	+(((
	814	+(% 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**
	815	+)))
723	723
724		-AT+COMMANDx: Configure RS485 read command to sensor.
725	725
726		-AT+DATACUTx: Configure how to handle return from RS485 devices.
727	727
728		-AT+SEARCHx: Configure search command
729	729
	820	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
730	730
731		-* Downlink Payload:
	822	+(((
	823	+**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]].
	824	+)))
732	732
733		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	826	+(((
	827	+This command is valid since v1.3 firmware version
	828	+)))
734	734
735		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	830	+(((
	831	+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.
	832	+)))
736	736
737		-Format: AF MM NN LL XX XX XX XX YY
	834	+(((
	835	+
	836	+)))
738	738
739		-Where:
	838	+(((
	839	+**Example:**
	840	+)))
740	740
741		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
742		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
743		-* LL: The length of AT+COMMAND or AT+DATACUT command
744		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
745		-* 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.
	842	+* (((
	843	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	844	+)))
	845	+* (((
	846	+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.
	847	+)))
	848	+* (((
	849	+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.
746	746
747		-Example:
	851	+
	852	+)))
748	748
749		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	854	+(% 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" %)​
750	750
751		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	856	+(% 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" %)​
752	752
753		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
754	754
755	755
756		-0xAB downlink command can be used for set AT+SEARCHx
757	757
758		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	861	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
759	759
760		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
761		-* 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
	863	+(((
	864	+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.
	865	+)))
762	762
763		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	867	+(((
	868	+Default value: 0, range:  0 ~~ 65 seconds
	869	+)))
764	764
	871	+* (((
	872	+(% style="color:#037691" %)** AT Command:**
765	765
766		-==== Fast command to handle MODBUS device ====
	874	+**AT+CMDDLaa=hex(bb cc)*1000**
	875	+)))
767	767
768		-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]].
	877	+(((
	878	+
769	769
770		-This command is valid since v1.3 firmware version
	880	+**Example:**
	881	+)))
771	771
	883	+(((
	884	+**AT+CMDDL1=1000** to send the open time to 1000ms
	885	+)))
772	772
773		-AT+MBFUN has only two value:
	887	+(((
	888	+
	889	+)))
774	774
775		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	891	+* (((
	892	+(% style="color:#037691" %)** Downlink Payload:**
	893	+)))
776	776
777		-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.
	895	+(((
	896	+**0x AA aa bb cc**
	897	+)))
778	778
779		-* AT+MBFUN=0: Disable Modbus fast reading.
	899	+(((
	900	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	901	+)))
780	780
781		-Example:
	903	+(((
	904	+**Example:**
	905	+)))
782	782
783		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
784		-* 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.
785		-* 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.
	907	+(((
	908	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	909	+)))
786	786
787		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
788	788
789	789
790		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
791	791
	914	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
792	792
793		-* Downlink Commands:
	916	+(((
	917	+Define to use one uplink or multiple uplinks for the sampling.
	918	+)))
794	794
795		-A9 aa -à Same as AT+MBFUN=aa
	920	+(((
	921	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
796	796
	923	+
	924	+)))
797	797
798		-==== RS485 command timeout ====
	926	+* (((
	927	+(% style="color:#037691" %)** AT Command:**
	928	+)))
799	799
800		-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.
	930	+**AT+DATAUP=0**
801	801
802		-Default value: 0, range:  0 ~~ 5 seconds
	932	+**AT+DATAUP=1**
803	803
804	804
805		-* AT Command:
	935	+* (((
	936	+(% style="color:#037691" %)** Downlink Payload:**
	937	+)))
806	806
807		-AT+CMDDLaa=hex(bb cc)
	939	+(((
	940	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	941	+)))
808	808
809		-Example:
	943	+(((
	944	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	945	+)))
810	810
811		-**AT+CMDDL1=1000** to send the open time to 1000ms
812	812
813	813
814		-* Downlink Payload:
815	815
816		-0x AA aa bb cc
	950	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
817	817
818		-Same as: AT+CMDDLaa=hex(bb cc)
	952	+(((
	953	+Ask device to send an uplink immediately.
	954	+)))
819	819
820		- Example:
	956	+* (((
	957	+(% style="color:#037691" %)** AT Command:**
	958	+)))
821	821
822		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	960	+(((
	961	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	962	+)))
823	823
	964	+(((
	965	+
	966	+)))
824	824
825		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	968	+* (((
	969	+(% style="color:#037691" %)** Downlink Payload:**
	970	+)))
826	826
827		-Define to use one uplink or multiple uplinks for the sampling.
	972	+(((
	973	+**0x08 FF**, RS485-LN will immediately send an uplink.
	974	+)))
828	828
829		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
830	830
831		-* AT Command:
832	832
833		-AT+DATAUP=0
834	834
835		-AT+DATAUP=1
	979	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
836	836
	981	+(((
	982	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
837	837
838		-* Downlink Payload:
	984	+
	985	+)))
839	839
840		-0xAD 00   à Same as AT+DATAUP=0
	987	+* (((
	988	+(% style="color:#037691" %)** AT Command:**
	989	+)))
841	841
842		-0xAD 01   à Same as AT+DATAUP=1
	991	+(((
	992	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	993	+)))
843	843
	995	+(((
	996	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	997	+)))
844	844
845		-==== Manually trigger an Uplink ====
	999	+(((
	1000	+Example screen shot after clear all RS485 commands.
	1001	+)))
846	846
847		-Ask device to send an uplink immediately.
	1003	+(((
	1004	+
	1005	+)))
848	848
849		-* Downlink Payload:
	1007	+(((
	1008	+The uplink screen shot is:
	1009	+)))
850	850
851		-0x08 FF, RS485-BL will immediately send an uplink.
	1011	+(% 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" %)​
852	852
853	853
854		-==== Clear RS485 Command ====
	1014	+* (((
	1015	+(% style="color:#037691" %)** Downlink Payload:**
	1016	+)))
855	855
856		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	1018	+(((
	1019	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1020	+)))
857	857
858	858
859		-* AT Command:
860	860
861		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
862	862
863		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1025	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
864	864
865		-Example screen shot after clear all RS485 commands.
	1027	+(((
	1028	+Set the Rs485 serial communication parameters:
	1029	+)))
866	866
	1031	+* (((
	1032	+(% style="color:#037691" %)** AT Command:**
	1033	+)))
867	867
	1035	+(((
	1036	+
868	868
869		-The uplink screen shot is:
	1038	+* Set Baud Rate
	1039	+)))
870	870
871		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1041	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
872	872
873	873
874		-* Downlink Payload:
	1044	+(((
	1045	+* Set UART Parity
	1046	+)))
875	875
876		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1048	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
877	877
878	878
879		-==== Set Serial Communication Parameters ====
	1051	+(((
	1052	+* Set STOPBIT
	1053	+)))
880	880
881		-Set the Rs485 serial communication parameters:
	1055	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
882	882
883		-* AT Command:
884	884
885		-Set Baud Rate:
886	886
887		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1059	+* (((
	1060	+(% style="color:#037691" %)** Downlink Payload:**
	1061	+)))
888	888
	1063	+(((
	1064	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1065	+)))
889	889
890		-Set UART parity
	1067	+(((
	1068	+**Example:**
	1069	+)))
891	891
892		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1071	+* (((
	1072	+A7 01 00 60   same as AT+BAUDR=9600
	1073	+)))
	1074	+* (((
	1075	+A7 01 04 80  same as AT+BAUDR=115200
	1076	+)))
893	893
	1078	+(((
	1079	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1080	+)))
894	894
895		-Set STOPBIT
	1082	+(((
	1083	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1084	+)))
896	896
897		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
898	898
899	899
900		-* Downlink Payload:
901	901
902		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1089	+== 3.6 Listening mode for RS485 network ==
903	903
904		-Example:
	1091	+(((
	1092	+This feature support since firmware v1.4
	1093	+)))
905	905
906		-* A7 01 00 60   same as AT+BAUDR=9600
907		-* A7 01 04 80  same as AT+BAUDR=115200
	1095	+(((
	1096	+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.
	1097	+)))
908	908
909		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1099	+(% 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" %)​
910	910
911		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1101	+(((
	1102	+To enable the listening mode, use can run the command AT+RXMODE.
	1103	+)))
912	912
	1105	+(((
	1106	+
	1107	+)))
913	913
914		-==== Control output power duration ====
	1109	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1110	+|=(% style="width: 100px;" %)(((
	1111	+**Command example**
	1112	+)))|=(% style="width: 400px;" %)(((
	1113	+**Function**
	1114	+)))
	1115	+|(% style="width:100px" %)(((
	1116	+AT+RXMODE=1,10
	1117	+)))|(% style="width:400px" %)(((
	1118	+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.
	1119	+)))
	1120	+|(% style="width:100px" %)(((
	1121	+AT+RXMODE=2,500
	1122	+)))|(% style="width:400px" %)(((
	1123	+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
	1124	+)))
	1125	+|(% style="width:100px" %)(((
	1126	+AT+RXMODE=0,0
	1127	+)))|(% style="width:400px" %)(((
	1128	+Disable listening mode. This is the default settings.
	1129	+)))
	1130	+|(% style="width:100px" %)(((
	1131	+
	1132	+)))|(% style="width:400px" %)(((
	1133	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1134	+)))
915	915
916		-User can set the output power duration before each sampling.
	1136	+(((
	1137	+(% style="color:#037691" %)** Downlink Command:**
	1138	+)))
917	917
918		-* AT Command:
	1140	+(((
	1141	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1142	+)))
919	919
920		-Example:
	1144	+(((
	1145	+
	1146	+)))
921	921
922		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1148	+(((
	1149	+**Example**:
	1150	+)))
923	923
924		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1152	+(((
	1153	+The RS485-LN is set to AT+RXMODE=2,1000
	1154	+)))
925	925
	1156	+(((
	1157	+There is a two Modbus commands in the RS485 network as below:
	1158	+)))
926	926
927		-* LoRaWAN Downlink Command:
	1160	+(((
	1161	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1162	+)))
928	928
929		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1164	+(((
	1165	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1166	+)))
930	930
931		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1168	+(((
	1169	+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
	1170	+)))
932	932
	1172	+(((
	1173	+(% 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" %)​
	1174	+)))
933	933
	1176	+(((
	1177	+
	1178	+)))
934	934
	1180	+(((
	1181	+(((
	1182	+(% 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.
	1183	+)))
	1184	+)))
935	935
936		-1.
937		-11. Buttons
938	938
939		-|**Button**|**Feature**
940		-|**RST**|Reboot RS485-BL
	1187	+== 3.7 Buttons ==
941	941
942		-1.
943		-11. +3V3 Output
944	944
945		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1190	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1191	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1192	+|(% 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**
	1193	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1194	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
946	946
947		-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.
948	948
949	949
950		-The +3V3 output time can be controlled by AT Command.
951	951
952		-**AT+3V3T=1000**
	1199	+== 3.8 LEDs ==
953	953
954		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
955	955
	1202	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1203	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1204	+|**PWR**|Always on if there is power
	1205	+|**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.
956	956
957		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
958	958
959	959
960		-1.
961		-11. +5V Output
962	962
963		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1210	+= 4. Case Study =
964	964
965		-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.
	1212	+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]]
966	966
967	967
968		-The 5V output time can be controlled by AT Command.
	1215	+= 5. Use AT Command =
969	969
970		-**AT+5VT=1000**
	1217	+== 5.1 Access AT Command ==
971	971
972		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1219	+(((
	1220	+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.
	1221	+)))
973	973
	1223	+(% 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" %)​
974	974
975		-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.
976	976
	1226	+(((
	1227	+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:
	1228	+)))
977	977
	1230	+(% 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" %)​
978	978
979	979
980		-1.
981		-11. LEDs
	1233	+(((
	1234	+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/]]
	1235	+)))
982	982
983		-|**LEDs**|**Feature**
984		-|**LED1**|Blink when device transmit a packet.
985	985
986		-1.
987		-11. Switch Jumper
988	988
989		-|**Switch Jumper**|**Feature**
990		-|**SW1**|(((
991		-ISP position: Upgrade firmware via UART
	1239	+== 5.2 Common AT Command Sequence ==
992	992
993		-Flash position: Configure device, check running status.
994		-)))
995		-|**SW2**|(((
996		-5V position: set to compatible with 5v I/O.
997	997
998		-3.3v position: set to compatible with 3.3v I/O.,
999		-)))
	1242	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1000	1000
1001		-+3.3V: is always ON
	1244	+If device has not joined network yet:
1002	1002
1003		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1246	+* (% style="color:#037691" %)**AT+FDR**
	1247	+* (% style="color:#037691" %)**AT+NJM=0**
	1248	+* (% style="color:#037691" %)**ATZ**
1004	1004
1005		-1. Case Study
	1250	+(((
	1251	+
1006	1006
1007		-User can check this URL for some case studies.
	1253	+If device already joined network:
1008	1008
1009		-[[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]]
	1255	+* (% style="color:#037691" %)**AT+NJM=0**
	1256	+* (% style="color:#037691" %)**ATZ**
1010	1010
	1258	+
	1259	+)))
1011	1011
1012	1012
	1262	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1013	1013
1014		-1. Use AT Command
1015		-11. Access AT Command
1016	1016
1017		-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.
	1265	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1018	1018
1019		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1267	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1020	1020
	1269	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1021	1021
1022		-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:
	1271	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1023	1023
1024		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1273	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1025	1025
	1275	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1026	1026
	1277	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1027	1027
1028		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1279	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1029	1029
	1281	+(% 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.
1030	1030
	1283	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1031	1031
1032		-1.
1033		-11. Common AT Command Sequence
1034		-111. Multi-channel ABP mode (Use with SX1301/LG308)
1035	1035
1036		-If device has not joined network yet:
	1286	+(% style="color:red" %)**Note:**
1037	1037
1038		-AT+FDR
	1288	+(((
	1289	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1290	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1291	+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.
	1292	+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
	1293	+)))
1039	1039
1040		-AT+NJM=0
	1295	+(% 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" %)​
1041	1041
1042		-ATZ
1043	1043
	1298	+= 6. FAQ =
1044	1044
1045		-If device already joined network:
	1300	+== 6.1 How to upgrade the image? ==
1046	1046
1047		-AT+NJM=0
	1302	+(((
	1303	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1304	+)))
1048	1048
1049		-ATZ
	1306	+* (((
	1307	+Support new features
	1308	+)))
	1309	+* (((
	1310	+For bug fix
	1311	+)))
	1312	+* (((
	1313	+Change LoRaWAN bands.
	1314	+)))
1050	1050
1051		-1.
1052		-11.
1053		-111. Single-channel ABP mode (Use with LG01/LG02)
	1316	+(((
	1317	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1318	+)))
1054	1054
1055		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1320	+(% 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" %)​
1056	1056
1057		-AT+NJM=0 Set to ABP mode
	1322	+(((
	1323	+**(% style="color:blue" %)Step1(%%):** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	1324	+)))
1058	1058
1059		-AT+ADR=0 Set the Adaptive Data Rate Off
	1326	+(((
	1327	+**(% style="color:blue" %)Step2(%%):** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1328	+)))
1060	1060
1061		-AT+DR=5  Set Data Rate
	1330	+(((
	1331	+**(% style="color:blue" %)Step3(%%): **Open flashloader; choose the correct COM port to update.
	1332	+)))
1062	1062
1063		-AT+TDC=60000  Set transmit interval to 60 seconds
	1334	+(((
	1335	+(((
	1336	+(((
	1337	+(% 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.
	1338	+)))
	1339	+)))
	1340	+)))
1064	1064
1065		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1066	1066
1067		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1343	+(% 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" %)​
1068	1068
1069		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1070	1070
1071		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1346	+(% 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" %)​
1072	1072
1073		-ATZ          Reset MCU
1074	1074
1075		-**Note:**
	1349	+(% 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" %)​
1076	1076
1077		-1. Make sure the device is set to ABP mode in the IoT Server.
1078		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1079		-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.
1080		-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
1081	1081
1082		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1352	+**(% style="color:red" %)Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1083	1083
	1354	+(% 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" %)​
1084	1084
1085		-1. FAQ
1086		-11. How to upgrade the image?
1087	1087
1088		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1357	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1089	1089
1090		-* Support new features
1091		-* For bug fix
1092		-* Change LoRaWAN bands.
	1359	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1093	1093
1094		-Below shows the hardware connection for how to upload an image to RS485-BL:
1095	1095
1096		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1362	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1097	1097
1098		-**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]].
	1364	+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"]].
1099	1099
1100		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1101	1101
1102		-**Step3: **Open flashloader; choose the correct COM port to update.
	1367	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1103	1103
	1369	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1104	1104
1105		-|(((
1106		-HOLD PRO then press the RST button, SYS will be ON, then click next
1107		-)))
	1371	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1108	1108
1109		-|(((
1110		-Board detected
1111		-)))
1112	1112
1113		-|(((
1114		-
1115		-)))
	1374	+= 7. Trouble Shooting =
1116	1116
1117		-[[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]]
	1376	+== 7.1 Downlink doesn’t work, how to solve it? ==
1118	1118
	1378	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1119	1119
1120	1120
1121		-[[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]]
	1381	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1122	1122
	1383	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1123	1123
1124		-[[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]]
1125	1125
	1386	+= 8. Order Info =
1126	1126
1127		-1.
1128		-11. How to change the LoRa Frequency Bands/Region?
	1388	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1129	1129
1130		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1390	+(% style="color:blue" %)**XXX:**
1131	1131
	1392	+* (% style="color:red" %)**EU433**(%%): frequency bands EU433
	1393	+* (% style="color:red" %)**EU868**(%%): frequency bands EU868
	1394	+* (% style="color:red" %)**KR920**(%%): frequency bands KR920
	1395	+* (% style="color:red" %)**CN470**(%%): frequency bands CN470
	1396	+* (% style="color:red" %)**AS923**(%%): frequency bands AS923
	1397	+* (% style="color:red" %)**AU915**(%%): frequency bands AU915
	1398	+* (% style="color:red" %)**US915**(%%): frequency bands US915
	1399	+* (% style="color:red" %)**IN865**(%%): frequency bands IN865
	1400	+* (% style="color:red" %)**RU864**(%%): frequency bands RU864
	1401	+* (% style="color:red" %)**KZ865**(%%): frequency bands KZ865
1132	1132
1133	1133
1134		-1.
1135		-11. How many RS485-Slave can RS485-BL connects?
1136	1136
1137		-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]].
1138	1138
	1406	+= 9.Packing Info =
1139	1139
1140	1140
	1409	+**Package Includes**:
1141	1141
1142		-1. Trouble Shooting
1143		-11. Downlink doesn’t work, how to solve it?
	1411	+* RS485-LN x 1
	1412	+* Stick Antenna for LoRa RF part x 1
	1413	+* Program cable x 1
1144	1144
1145		-Please see this link for debug:
	1415	+**Dimension and weight**:
1146	1146
1147		-[[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]]
	1417	+* Device Size: 13.5 x 7 x 3 cm
	1418	+* Device Weight: 105g
	1419	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1420	+* Weight / pcs : 170g
1148	1148
1149	1149
1150	1150
1151		-1.
1152		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1153	1153
1154		-It might about the channels mapping. Please see for detail.
	1425	+= 10. FCC Caution for RS485LN-US915 =
1155	1155
1156		-[[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]]
	1427	+(((
	1428	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1429	+)))
1157	1157
	1431	+(((
	1432	+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.
	1433	+)))
1158	1158
	1435	+(((
	1436	+
	1437	+)))
1159	1159
1160		-1. Order Info
	1439	+(((
	1440	+**IMPORTANT NOTE:**
	1441	+)))
1161	1161
1162		-**Part Number: RS485-BL-XXX**
	1443	+(((
	1444	+**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:
	1445	+)))
1163	1163
1164		-**XXX:**
	1447	+(((
	1448	+—Reorient or relocate the receiving antenna.
	1449	+)))
1165	1165
1166		-* **EU433**: frequency bands EU433
1167		-* **EU868**: frequency bands EU868
1168		-* **KR920**: frequency bands KR920
1169		-* **CN470**: frequency bands CN470
1170		-* **AS923**: frequency bands AS923
1171		-* **AU915**: frequency bands AU915
1172		-* **US915**: frequency bands US915
1173		-* **IN865**: frequency bands IN865
1174		-* **RU864**: frequency bands RU864
1175		-* **KZ865: **frequency bands KZ865
	1451	+(((
	1452	+—Increase the separation between the equipment and receiver.
	1453	+)))
1176	1176
1177		-1. Packing Info
	1455	+(((
	1456	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1457	+)))
1178	1178
1179		-**Package Includes**:
	1459	+(((
	1460	+—Consult the dealer or an experienced radio/TV technician for help.
	1461	+)))
1180	1180
1181		-* RS485-BL x 1
1182		-* Stick Antenna for LoRa RF part x 1
1183		-* Program cable x 1
	1463	+(((
	1464	+
	1465	+)))
1184	1184
1185		-**Dimension and weight**:
	1467	+(((
	1468	+**FCC Radiation Exposure Statement:**
	1469	+)))
1186	1186
1187		-* Device Size: 13.5 x 7 x 3 cm
1188		-* Device Weight: 105g
1189		-* Package Size / pcs : 14.5 x 8 x 5 cm
1190		-* Weight / pcs : 170g
	1471	+(((
	1472	+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.
	1473	+)))
1191	1191
1192		-1. Support
1193	1193
1194		-* 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.
1195		-* 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
	1476	+= 11. Support =
1196	1196
1197		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1478	+* (((
	1479	+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.
	1480	+)))
	1481	+* (((
	1482	+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]].
	1483	+)))

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