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

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Details

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Title

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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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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 ==
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18	18
19	19	(((
20	20	(((
21		-The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
	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	)))
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23	23
24	24	(((
25		-RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	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	)))
	59	+)))
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	)))
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	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
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44	44	* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46	46	** Idle: 32mA@12v
47		-
48		-*
49	49	** 20dB Transmit: 65mA@12v
50	50
51	51	**Interface for Model:**
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72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74	74	* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	112	+* Packet engine up to 256 bytes with CRC
76	76
	114	+
	115	+
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
	127	+
	128	+
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
	138	+
	139	+
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
	144	+
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.
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106	106
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107	107	v1.0: Release
108	108	)))
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109	109	)))
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110	110
111	111	= 2. Power ON Device =
112	112
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120	120	Once there is power, the RS485-LN will be on.
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
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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
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	188	+)))
	189	+
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"]]
	206	+(% 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
	208	+
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:
	210	+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.
	214	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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160		-[[image:1652953462722-299.png]]
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161	161
	224	+
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.
	231	+**Add APP EUI in the application.**
169	169	)))
170	170	)))
171	171
172		-[[image:image-20220519174512-1.png]]
	235	+(% 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"]]
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175	175
176		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	239	+(% 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]]
	241	+(% 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"]]
	245	+(% 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
	249	+**Add APP KEY and DEV EUI**
188	188
	251	+(% 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" %)​
	252	+
	253	+
189	189	(((
190		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	255	+(% 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"]]
	258	+(% 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
	260	+
195	195	== 3.3 Configure Commands to read data ==
196	196
197	197	(((
198	198	(((
199		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	265	+(((
	266	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200	200	)))
	268	+)))
201	201
202	202	(((
	271	+(((
203	203	(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
204	204	)))
	274	+
	275	+
205	205	)))
	277	+)))
206	206
207	207	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
208	208
209	209	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
210	210
211		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212		-|(((
	283	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	284	+|=(% style="width: 110px;" %)(((
213	213	**AT Commands**
214		-)))|(% style="width:285px" %)(((
	286	+)))|=(% style="width: 190px;" %)(((
215	215	**Description**
216		-)))|(% style="width:347px" %)(((
	288	+)))|=(% style="width: 190px;" %)(((
217	217	**Example**
218	218	)))
219		-|(((
	291	+|(% style="width:110px" %)(((
220	220	AT+BAUDR
221		-)))|(% style="width:285px" %)(((
	293	+)))|(% style="width:190px" %)(((
222	222	Set the baud rate (for RS485 connection). Default Value is: 9600.
223		-)))|(% style="width:347px" %)(((
	295	+)))|(% style="width:190px" %)(((
224	224	(((
225	225	AT+BAUDR=9600
226	226	)))
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229	229	Options: (1200,2400,4800,14400,19200,115200)
230	230	)))
231	231	)))
232		-|(((
	304	+|(% style="width:110px" %)(((
233	233	AT+PARITY
234		-)))|(% style="width:285px" %)(((
	306	+)))|(% style="width:190px" %)(((
235	235	Set UART parity (for RS485 connection)
236		-)))|(% style="width:347px" %)(((
	308	+)))|(% style="width:190px" %)(((
237	237	(((
238	238	AT+PARITY=0
239	239	)))
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242	242	Option: 0: no parity, 1: odd parity, 2: even parity
243	243	)))
244	244	)))
245		-|(((
	317	+|(% style="width:110px" %)(((
246	246	AT+STOPBIT
247		-)))|(% style="width:285px" %)(((
	319	+)))|(% style="width:190px" %)(((
248	248	(((
249	249	Set serial stopbit (for RS485 connection)
250	250	)))
...	...	@@ -252,7 +252,7 @@
252	252	(((
253	253
254	254	)))
255		-)))|(% style="width:347px" %)(((
	327	+)))|(% style="width:190px" %)(((
256	256	(((
257	257	AT+STOPBIT=0 for 1bit
258	258	)))
...	...	@@ -266,6 +266,8 @@
266	266	)))
267	267	)))
268	268
	341	+
	342	+
269	269	=== 3.3.2 Configure sensors ===
270	270
271	271	(((
...	...	@@ -274,140 +274,70 @@
274	274	)))
275	275	)))
276	276
277		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279		-|AT+CFGDEV|(% style="width:418px" %)(((
280		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
281		-
282		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
283		-
284		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286		-
287		-=== 3.3.3 Configure read commands for each sampling ===
288		-
	351	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	352	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	353	+|AT+CFGDEV|(% style="width:110px" %)(((
289	289	(((
290		-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.
	355	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
291	291	)))
292	292
293	293	(((
294		-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.
	359	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
295	295	)))
296	296
297	297	(((
298		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	363	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
299	299	)))
	365	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
300	300
301		-(((
302		-This section describes how to achieve above goals.
303		-)))
304	304
305		-(((
306		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
307		-)))
308	308
309		-(((
310		-**Command from RS485-BL to Sensor:**
311		-)))
	369	+=== 3.3.3 Configure read commands for each sampling ===
312	312
313	313	(((
314		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
315		-)))
	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.
316	316
317		-(((
318		-**Handle return from sensors to RS485-BL**:
319		-)))
	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.
320	320
321		-(((
322		-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**
323		-)))
	376	+This section describes how to achieve above goals.
324	324
325		-* (((
326		-**AT+DATACUT**
327		-)))
	378	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
328	328
329		-(((
330		-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.
331		-)))
332	332
333		-* (((
334		-**AT+SEARCH**
335		-)))
	381	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
336	336
337		-(((
338		-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.
339		-)))
	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.
340	340
341		-(((
342		-**Define wait timeout:**
343		-)))
	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.
344	344
345		-(((
346		-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
347		-)))
	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
348	348
349		-(((
	389	+
350	350	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351		-)))
352	352
353		-**Examples:**
354		-
355	355	Below are examples for the how above AT Commands works.
356	356
357		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
358	358
359		-(% border="1" class="table-bordered" %)
360		-|(((
361		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	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:
362	362
	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**
	400	+
363	363	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
364	364
365	365	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
366	366	)))
367	367
368		-(((
369	369	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.
370		-)))
371	371
372		-(((
373		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
374		-)))
	408	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
375	375
376		-(((
377		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
378		-)))
379	379
380		-(% border="1" class="table-bordered" %)
381		-|(((
382		-**AT+SEARCHx=aa,xx xx xx xx xx**
	411	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
383	383
384		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
385		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
386		-
387		-
388		-)))
389		-
390		-**Examples:**
391		-
392		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
393		-
394		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
395		-
396		-The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
397		-
398		-[[image:1653269403619-508.png]]
399		-
400		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
401		-
402		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
403		-
404		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
405		-
406		-[[image:1653269438444-278.png]]
407		-
408		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
409		-
410		-|(((
	413	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	414	+|(% style="width:510px" %)(((
411	411	**AT+DATACUTx=a,b,c**
412	412
413	413	* **a: length for the return of AT+COMMAND**
...	...	@@ -415,48 +415,38 @@
415	415	* **c: define the position for valid value.  **
416	416	)))
417	417
418		-Examples:
	422	+**Examples:**
419	419
420		-* Grab bytes:
	424	+* (% style="color:#037691" %)**Grab bytes**
421	421
422		-[[image:1653269551753-223.png||height="311" width="717"]]
	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" %)​
423	423
424		-* Grab a section.
425	425
426		-[[image:1653269568276-930.png||height="325" width="718"]]
	429	+* (% style="color:#037691" %)**Grab a section**
427	427
428		-* 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" %)​
429	429
430		-[[image:1653269593172-426.png||height="303" width="725"]]
431	431
432		-(% style="color:red" %)**Note:**
	434	+* (% style="color:#037691" %)**Grab different sections**
433	433
434		-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.
	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" %)​
435	435
436		-Example:
437	437
438		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	439	+
	440	+)))
439	439
440		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
441		-
442		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
443		-
444		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
445		-
446		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
447		-
448		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
449		-
450		-[[image:1653269618463-608.png]]
451		-
452	452	=== 3.3.4 Compose the uplink payload ===
453	453
454	454	(((
455	455	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.**
	446	+
	447	+
456	456	)))
457	457
458	458	(((
459		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	451	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	452	+
	453	+
460	460	)))
461	461
462	462	(((
...	...	@@ -475,10 +475,12 @@
475	475	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
476	476	)))
477	477
478		-[[image:1653269759169-150.png||height="513" width="716"]]
	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" %)​
479	479
480		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
481	481
	475	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	476	+
	477	+
482	482	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
483	483
484	484	Final Payload is
...	...	@@ -485,706 +485,1011 @@
485	485
486	486	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
487	487
488		-1. Battery Info (2 bytes): Battery voltage
489		-1. PAYVER (1 byte): Defined by AT+PAYVER
490		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
491		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
492		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
493	493
494		-[[image:1653269916228-732.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
495	495
	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" %)​
496	496
497		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
498	498
499		-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
500	500
501		-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**
502	502
503		-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**
504	504
	499	+DATA3=the rest of Valid value of RETURN10= **30**
505	505
506	506
507		-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:
508	508
509		-[[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.
510	510
	506	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
511	511
512		-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.
513	513
514		- ~* 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.
515	515
516		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
517	517
518		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	513	+Below are the uplink payloads:
519	519
520		- ~* 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" %)​
521	521
522	522
523	523
524		-1.
525		-11.
526		-111. Uplink on demand
	519	+=== 3.3.5 Uplink on demand ===
527	527
528		-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.
529	529
530	530	Downlink control command:
531	531
532		-[[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.
533	533
534		-[[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.
535	535
536	536
537	537
538		-1.
539		-11.
540		-111. Uplink on Interrupt
	531	+=== 3.3.6 Uplink on Interrupt ===
541	541
542		-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.
543	543
544		-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" %)​
545	545
546		-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.
547	547
548		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
549	549
550		-AT+INTMOD=3  Interrupt trigger by rising edge.
	540	+== 3.4 Uplink Payload ==
551	551
552	552
553		-1.
554		-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" %)​
555	555
556		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
557		-|Value|(((
558		-Battery(mV)
	545	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
559	559
560		-&
561	561
562		-Interrupt _Flag
563		-)))|(((
564		-PAYLOAD_VER
	548	+== 3.5 Configure RS485-LN via AT or Downlink ==
565	565
566		-
567		-)))|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.
	550	+(((
	551	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	552	+)))
568	568
569		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
	554	+(((
	555	+There are two kinds of Commands:
	556	+)))
570	570
	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	+)))
571	571
572		-function Decoder(bytes, port) {
	562	+* (((
	563	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	564	+)))
573	573
574		-~/~/Payload Formats of RS485-BL Deceive
	566	+(((
	567	+
	568	+)))
575	575
576		-return {
577	577
578		- ~/~/Battery,units:V
	571	+=== 3.5.1 Common Commands ===
579	579
580		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	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]]
581	581
582		- ~/~/GPIO_EXTI
583	583
584		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
	576	+=== 3.5.2 Sensor related commands ===
585	585
586		- ~/~/payload of version
	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.
587	587
588		- Pay_ver:bytes[2],
	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"]](% title="Click and drag to resize" %)​
589	589
590		- };
	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)
591	591
592		- }
593	593
594	594
	586	+=== 3.5.3 Sensor related commands ===
595	595
596	596
597	597
598	598
	591	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
599	599
600		-TTN V3 uplink screen shot.
	593	+(((
	594	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	595	+)))
601	601
602		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	597	+* (((
	598	+(% style="color:#037691" %)**AT Command**
603	603
604		-1.
605		-11. Configure RS485-BL via AT or Downlink
	600	+(((
	601	+**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
	602	+)))
	603	+)))
606	606
607		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	605	+(((
	606	+
	607	+)))
608	608
609		-There are two kinds of Commands:
	609	+* (((
	610	+(% style="color:#037691" %)**Downlink Payload**
	611	+)))
610	610
611		-* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	613	+(((
	614	+Format: A8 MM NN XX XX XX XX YY
	615	+)))
612	612
613		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	617	+(((
	618	+Where:
	619	+)))
614	614
615		-1.
616		-11.
617		-111. Common Commands:
	621	+* (((
	622	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	623	+)))
	624	+* (((
	625	+NN: The length of RS485 command
	626	+)))
	627	+* (((
	628	+XX XX XX XX: RS485 command total NN bytes
	629	+)))
	630	+* (((
	631	+(((
	632	+YY: How many bytes will be uplink from the return of this RS485 command,
	633	+)))
618	618
619		-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]]
	635	+* (((
	636	+if YY=0, RS485-LN will execute the downlink command without uplink;
	637	+)))
	638	+* (((
	639	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	640	+)))
	641	+* (((
	642	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	643	+)))
	644	+)))
620	620
	646	+(((
	647	+
621	621
622		-1.
623		-11.
624		-111. Sensor related commands:
	649	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	650	+)))
625	625
626		-==== Choose Device Type (RS485 or TTL) ====
	652	+(((
	653	+To connect a Modbus Alarm with below commands.
	654	+)))
627	627
628		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	656	+* (((
	657	+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.
	658	+)))
629	629
630		-* AT Command
	660	+* (((
	661	+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.
	662	+)))
631	631
632		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	664	+(((
	665	+
633	633
634		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	667	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	668	+)))
635	635
	670	+(((
	671	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	672	+)))
636	636
637		-* Downlink Payload
	674	+(((
	675	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	676	+)))
638	638
639		-**0A aa**     à same as AT+MOD=aa
	678	+(((
	679	+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.
	680	+)))
640	640
	682	+(((
	683	+
	684	+)))
641	641
	686	+(((
	687	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	688	+)))
642	642
643		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	690	+(((
	691	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	692	+)))
644	644
645		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	694	+(((
	695	+
	696	+)))
646	646
647		-* AT Command
	698	+(((
	699	+(((
	700	+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**
	701	+)))
648	648
649		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	703	+
	704	+)))
650	650
651		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	706	+(((
	707	+ (% 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" %)​
	708	+)))
652	652
653	653
654	654
655		-* Downlink Payload
656	656
657		-Format: A8 MM NN XX XX XX XX YY
	713	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
658	658
659		-Where:
	715	+(((
	716	+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.
	717	+)))
660	660
661		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
662		-* NN: The length of RS485 command
663		-* XX XX XX XX: RS485 command total NN bytes
664		-* 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
	719	+* (((
	720	+(% style="color:#037691" %)**AT Command:**
665	665
666		-**Example 1:**
	722	+**AT+PAYVER:    **Set PAYVER field = 1
667	667
668		-To connect a Modbus Alarm with below commands.
	724	+
	725	+)))
	726	+* (((
	727	+(% style="color:#037691" %)**Downlink Payload:**
	728	+)))
669	669
670		-* 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.
	730	+(((
	731	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	732	+)))
671	671
672		-* 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.
	734	+(((
	735	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	736	+)))
673	673
674		-So if user want to use downlink command to control to RS485 Alarm, he can use:
675	675
676		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
677	677
678		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
679	679
680		-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.
	741	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
681	681
	743	+(((
	744	+AT+COMMANDx or AT+DATACUTx
	745	+)))
682	682
683		-**Example 2:**
	747	+(((
	748	+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"]].
	749	+)))
684	684
685		-Check TTL Sensor return:
	751	+(((
	752	+
	753	+)))
686	686
687		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	755	+* (((
	756	+(% style="color:#037691" %)**AT Command:**
	757	+)))
688	688
	759	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
689	689
	761	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
690	690
691	691
692		-==== Set Payload version ====
	764	+* (((
	765	+(% style="color:#037691" %)**Downlink Payload:**
	766	+)))
693	693
694		-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.
	768	+(((
	769	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	770	+)))
695	695
696		-* AT Command:
	772	+(((
	773	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	774	+)))
697	697
698		-AT+PAYVER: Set PAYVER field = 1
	776	+(((
	777	+Format: AF MM NN LL XX XX XX XX YY
	778	+)))
699	699
	780	+(((
	781	+Where:
	782	+)))
700	700
701		-* Downlink Payload:
	784	+* (((
	785	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	786	+)))
	787	+* (((
	788	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	789	+)))
	790	+* (((
	791	+LL:  The length of AT+COMMAND or AT+DATACUT command
	792	+)))
	793	+* (((
	794	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	795	+)))
	796	+* (((
	797	+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.
	798	+)))
702	702
703		-0xAE 01   à Set PAYVER field =  0x01
	800	+(((
	801	+
704	704
705		-0xAE 0F   à Set PAYVER field =  0x0F
	803	+**Example:**
	804	+)))
706	706
	806	+(((
	807	+(% 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
	808	+)))
707	707
708		-==== Set RS485 Sampling Commands ====
	810	+(((
	811	+(% 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**
	812	+)))
709	709
710		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	814	+(((
	815	+(% 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**
	816	+)))
711	711
712		-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]].
713	713
714	714
715		-* AT Command:
716	716
717		-AT+COMMANDx: Configure RS485 read command to sensor.
	821	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
718	718
719		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	823	+(((
	824	+**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]].
	825	+)))
720	720
721		-AT+SEARCHx: Configure search command
	827	+(((
	828	+This command is valid since v1.3 firmware version
	829	+)))
722	722
	831	+(((
	832	+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.
	833	+)))
723	723
724		-* Downlink Payload:
	835	+(((
	836	+
	837	+)))
725	725
726		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	839	+(((
	840	+**Example:**
	841	+)))
727	727
728		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	843	+* (((
	844	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	845	+)))
	846	+* (((
	847	+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.
	848	+)))
	849	+* (((
	850	+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.
729	729
730		-Format: AF MM NN LL XX XX XX XX YY
	852	+
	853	+)))
731	731
732		-Where:
	855	+(% 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" %)​
733	733
734		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
735		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
736		-* LL: The length of AT+COMMAND or AT+DATACUT command
737		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
738		-* 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.
	857	+(% 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" %)​
739	739
740		-Example:
741	741
742		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
743	743
744		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
745	745
746		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	862	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
747	747
	864	+(((
	865	+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.
	866	+)))
748	748
749		-0xAB downlink command can be used for set AT+SEARCHx
	868	+(((
	869	+Default value: 0, range:  0 ~~ 65 seconds
	870	+)))
750	750
751		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	872	+* (((
	873	+(% style="color:#037691" %)** AT Command:**
752	752
753		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
754		-* 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
	875	+**AT+CMDDLaa=hex(bb cc)*1000**
	876	+)))
755	755
756		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	878	+(((
	879	+
757	757
	881	+**Example:**
	882	+)))
758	758
759		-==== Fast command to handle MODBUS device ====
	884	+(((
	885	+**AT+CMDDL1=1000** to send the open time to 1000ms
	886	+)))
760	760
761		-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]].
	888	+(((
	889	+
	890	+)))
762	762
763		-This command is valid since v1.3 firmware version
	892	+* (((
	893	+(% style="color:#037691" %)** Downlink Payload:**
	894	+)))
764	764
	896	+(((
	897	+**0x AA aa bb cc**
	898	+)))
765	765
766		-AT+MBFUN has only two value:
	900	+(((
	901	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	902	+)))
767	767
768		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	904	+(((
	905	+**Example:**
	906	+)))
769	769
770		-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.
	908	+(((
	909	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	910	+)))
771	771
772		-* AT+MBFUN=0: Disable Modbus fast reading.
773	773
774		-Example:
775	775
776		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
777		-* 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.
778		-* 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.
779	779
780		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	915	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
781	781
	917	+(((
	918	+Define to use one uplink or multiple uplinks for the sampling.
	919	+)))
782	782
783		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	921	+(((
	922	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
784	784
	924	+
	925	+)))
785	785
786		-* Downlink Commands:
	927	+* (((
	928	+(% style="color:#037691" %)** AT Command:**
	929	+)))
787	787
788		-A9 aa -à Same as AT+MBFUN=aa
	931	+**AT+DATAUP=0**
789	789
	933	+**AT+DATAUP=1**
790	790
791		-==== RS485 command timeout ====
792	792
793		-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.
	936	+* (((
	937	+(% style="color:#037691" %)** Downlink Payload:**
	938	+)))
794	794
795		-Default value: 0, range:  0 ~~ 5 seconds
	940	+(((
	941	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	942	+)))
796	796
	944	+(((
	945	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	946	+)))
797	797
798		-* AT Command:
799	799
800		-AT+CMDDLaa=hex(bb cc)
801	801
802		-Example:
803	803
804		-**AT+CMDDL1=1000** to send the open time to 1000ms
	951	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
805	805
	953	+(((
	954	+Ask device to send an uplink immediately.
	955	+)))
806	806
807		-* Downlink Payload:
	957	+* (((
	958	+(% style="color:#037691" %)** AT Command:**
	959	+)))
808	808
809		-0x AA aa bb cc
	961	+(((
	962	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	963	+)))
810	810
811		-Same as: AT+CMDDLaa=hex(bb cc)
	965	+(((
	966	+
	967	+)))
812	812
813		- Example:
	969	+* (((
	970	+(% style="color:#037691" %)** Downlink Payload:**
	971	+)))
814	814
815		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	973	+(((
	974	+**0x08 FF**, RS485-LN will immediately send an uplink.
	975	+)))
816	816
817	817
818		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
819	819
820		-Define to use one uplink or multiple uplinks for the sampling.
821	821
822		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	980	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
823	823
824		-* AT Command:
	982	+(((
	983	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
825	825
826		-AT+DATAUP=0
	985	+
	986	+)))
827	827
828		-AT+DATAUP=1
	988	+* (((
	989	+(% style="color:#037691" %)** AT Command:**
	990	+)))
829	829
	992	+(((
	993	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	994	+)))
830	830
831		-* Downlink Payload:
	996	+(((
	997	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	998	+)))
832	832
833		-0xAD 00   à Same as AT+DATAUP=0
	1000	+(((
	1001	+Example screen shot after clear all RS485 commands.
	1002	+)))
834	834
835		-0xAD 01   à Same as AT+DATAUP=1
	1004	+(((
	1005	+
	1006	+)))
836	836
	1008	+(((
	1009	+The uplink screen shot is:
	1010	+)))
837	837
838		-==== Manually trigger an Uplink ====
	1012	+(% 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" %)​
839	839
840		-Ask device to send an uplink immediately.
841	841
842		-* Downlink Payload:
	1015	+* (((
	1016	+(% style="color:#037691" %)** Downlink Payload:**
	1017	+)))
843	843
844		-0x08 FF, RS485-BL will immediately send an uplink.
	1019	+(((
	1020	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1021	+)))
845	845
846	846
847		-==== Clear RS485 Command ====
848	848
849		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
850	850
	1026	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
851	851
852		-* AT Command:
	1028	+(((
	1029	+Set the Rs485 serial communication parameters:
	1030	+)))
853	853
854		-**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1032	+* (((
	1033	+(% style="color:#037691" %)** AT Command:**
	1034	+)))
855	855
856		-Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1036	+(((
	1037	+
857	857
858		-Example screen shot after clear all RS485 commands.
	1039	+* Set Baud Rate
	1040	+)))
859	859
	1042	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
860	860
861	861
862		-The uplink screen shot is:
	1045	+(((
	1046	+* Set UART Parity
	1047	+)))
863	863
864		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1049	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
865	865
866	866
867		-* Downlink Payload:
	1052	+(((
	1053	+* Set STOPBIT
	1054	+)))
868	868
869		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1056	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
870	870
871	871
872		-==== Set Serial Communication Parameters ====
873	873
874		-Set the Rs485 serial communication parameters:
	1060	+* (((
	1061	+(% style="color:#037691" %)** Downlink Payload:**
	1062	+)))
875	875
876		-* AT Command:
	1064	+(((
	1065	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1066	+)))
877	877
878		-Set Baud Rate:
	1068	+(((
	1069	+**Example:**
	1070	+)))
879	879
880		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1072	+* (((
	1073	+A7 01 00 60   same as AT+BAUDR=9600
	1074	+)))
	1075	+* (((
	1076	+A7 01 04 80  same as AT+BAUDR=115200
	1077	+)))
881	881
	1079	+(((
	1080	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1081	+)))
882	882
883		-Set UART parity
	1083	+(((
	1084	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1085	+)))
884	884
885		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
886	886
887	887
888		-Set STOPBIT
889	889
890		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1090	+== 3.6 Listening mode for RS485 network ==
891	891
	1092	+(((
	1093	+This feature support since firmware v1.4
	1094	+)))
892	892
893		-* Downlink Payload:
	1096	+(((
	1097	+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.
	1098	+)))
894	894
895		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1100	+(% 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" %)​
896	896
897		-Example:
	1102	+(((
	1103	+To enable the listening mode, use can run the command AT+RXMODE.
	1104	+)))
898	898
899		-* A7 01 00 60   same as AT+BAUDR=9600
900		-* A7 01 04 80  same as AT+BAUDR=115200
	1106	+(((
	1107	+
	1108	+)))
901	901
902		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1110	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1111	+|=(% style="width: 100px;" %)(((
	1112	+**Command example**
	1113	+)))|=(% style="width: 400px;" %)(((
	1114	+**Function**
	1115	+)))
	1116	+|(% style="width:100px" %)(((
	1117	+AT+RXMODE=1,10
	1118	+)))|(% style="width:400px" %)(((
	1119	+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.
	1120	+)))
	1121	+|(% style="width:100px" %)(((
	1122	+AT+RXMODE=2,500
	1123	+)))|(% style="width:400px" %)(((
	1124	+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
	1125	+)))
	1126	+|(% style="width:100px" %)(((
	1127	+AT+RXMODE=0,0
	1128	+)))|(% style="width:400px" %)(((
	1129	+Disable listening mode. This is the default settings.
	1130	+)))
	1131	+|(% style="width:100px" %)(((
	1132	+
	1133	+)))|(% style="width:400px" %)(((
	1134	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1135	+)))
903	903
904		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1137	+(((
	1138	+(% style="color:#037691" %)** Downlink Command:**
	1139	+)))
905	905
	1141	+(((
	1142	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1143	+)))
906	906
907		-==== Control output power duration ====
	1145	+(((
	1146	+
	1147	+)))
908	908
909		-User can set the output power duration before each sampling.
	1149	+(((
	1150	+**Example**:
	1151	+)))
910	910
911		-* AT Command:
	1153	+(((
	1154	+The RS485-LN is set to AT+RXMODE=2,1000
	1155	+)))
912	912
913		-Example:
	1157	+(((
	1158	+There is a two Modbus commands in the RS485 network as below:
	1159	+)))
914	914
915		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1161	+(((
	1162	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1163	+)))
916	916
917		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1165	+(((
	1166	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1167	+)))
918	918
	1169	+(((
	1170	+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
	1171	+)))
919	919
920		-* LoRaWAN Downlink Command:
	1173	+(((
	1174	+(% 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" %)​
	1175	+)))
921	921
922		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1177	+(((
	1178	+
	1179	+)))
923	923
924		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1181	+(((
	1182	+(((
	1183	+(% 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.
	1184	+)))
	1185	+)))
925	925
926	926
	1188	+== 3.7 Buttons ==
927	927
928	928
929		-1.
930		-11. Buttons
	1191	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1192	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1193	+|(% 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**
	1194	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1195	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
931	931
932		-|**Button**|**Feature**
933		-|**RST**|Reboot RS485-BL
934	934
935		-1.
936		-11. +3V3 Output
937	937
938		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1199	+== 3.8 LEDs ==
939	939
940		-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.
941	941
	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.
942	942
943		-The +3V3 output time can be controlled by AT Command.
944	944
945		-**AT+3V3T=1000**
946	946
947		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1209	+= 4. Case Study =
948	948
	1211	+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]]
949	949
950		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
951	951
	1214	+= 5. Use AT Command =
952	952
953		-1.
954		-11. +5V Output
	1216	+== 5.1 Access AT Command ==
955	955
956		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1218	+(((
	1219	+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.
	1220	+)))
957	957
958		-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.
	1222	+(% 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" %)​
959	959
960	960
961		-The 5V output time can be controlled by AT Command.
	1225	+(((
	1226	+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:
	1227	+)))
962	962
963		-**AT+5VT=1000**
	1229	+(% 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" %)​
964	964
965		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
966	966
	1232	+(((
	1233	+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/]]
	1234	+)))
967	967
968		-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.
969	969
970	970
	1238	+== 5.2 Common AT Command Sequence ==
971	971
972	972
973		-1.
974		-11. LEDs
	1241	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
975	975
976		-|**LEDs**|**Feature**
977		-|**LED1**|Blink when device transmit a packet.
	1243	+If device has not joined network yet:
978	978
979		-1.
980		-11. Switch Jumper
	1245	+* (% style="color:#037691" %)**AT+FDR**
	1246	+* (% style="color:#037691" %)**AT+NJM=0**
	1247	+* (% style="color:#037691" %)**ATZ**
981	981
982		-|**Switch Jumper**|**Feature**
983		-|**SW1**|(((
984		-ISP position: Upgrade firmware via UART
	1249	+(((
	1250	+
985	985
986		-Flash position: Configure device, check running status.
987		-)))
988		-|**SW2**|(((
989		-5V position: set to compatible with 5v I/O.
	1252	+If device already joined network:
990	990
991		-3.3v position: set to compatible with 3.3v I/O.,
	1254	+* (% style="color:#037691" %)**AT+NJM=0**
	1255	+* (% style="color:#037691" %)**ATZ**
	1256	+
	1257	+
992	992	)))
993	993
994		-+3.3V: is always ON
995	995
996		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1261	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
997	997
998		-1. Case Study
999	999
1000		-User can check this URL for some case studies.
	1264	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1001	1001
1002		-[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
	1266	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1003	1003
	1268	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1004	1004
	1270	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1005	1005
	1272	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1006	1006
1007		-1. Use AT Command
1008		-11. Access AT Command
	1274	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1009	1009
1010		-RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
	1276	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1011	1011
1012		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1278	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1013	1013
	1280	+(% 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.
1014	1014
1015		-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:
	1282	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1016	1016
1017		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1018	1018
	1285	+(% style="color:red" %)**Note:**
1019	1019
	1287	+(((
	1288	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1289	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1290	+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.
	1291	+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
	1292	+)))
1020	1020
1021		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1294	+(% 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" %)​
1022	1022
1023	1023
	1297	+= 6. FAQ =
1024	1024
1025		-1.
1026		-11. Common AT Command Sequence
1027		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1299	+== 6.1 How to upgrade the image? ==
1028	1028
1029		-If device has not joined network yet:
	1301	+(((
	1302	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1303	+)))
1030	1030
1031		-AT+FDR
	1305	+* (((
	1306	+Support new features
	1307	+)))
	1308	+* (((
	1309	+For bug fix
	1310	+)))
	1311	+* (((
	1312	+Change LoRaWAN bands.
	1313	+)))
1032	1032
1033		-AT+NJM=0
	1315	+(((
	1316	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1317	+)))
1034	1034
1035		-ATZ
	1319	+(% 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" %)​
1036	1036
	1321	+(((
	1322	+(% 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]].
	1323	+)))
1037	1037
1038		-If device already joined network:
	1325	+(((
	1326	+(% 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/]].
	1327	+)))
1039	1039
1040		-AT+NJM=0
	1329	+(((
	1330	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1331	+)))
1041	1041
1042		-ATZ
	1333	+(((
	1334	+(((
	1335	+(((
	1336	+(% 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.
	1337	+)))
	1338	+)))
	1339	+)))
1043	1043
1044		-1.
1045		-11.
1046		-111. Single-channel ABP mode (Use with LG01/LG02)
1047	1047
1048		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1342	+(% 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" %)​
1049	1049
1050		-AT+NJM=0 Set to ABP mode
1051	1051
1052		-AT+ADR=0 Set the Adaptive Data Rate Off
	1345	+(% 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" %)​
1053	1053
1054		-AT+DR=5  Set Data Rate
1055	1055
1056		-AT+TDC=60000  Set transmit interval to 60 seconds
	1348	+(% 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" %)​
1057	1057
1058		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1059	1059
1060		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1351	+(% 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:
1061	1061
1062		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1353	+(% 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" %)​
1063	1063
1064		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1065	1065
1066		-ATZ          Reset MCU
	1356	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1067	1067
1068		-**Note:**
	1358	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1069	1069
1070		-1. Make sure the device is set to ABP mode in the IoT Server.
1071		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1072		-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.
1073		-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
1074	1074
1075		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1361	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1076	1076
	1363	+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"]].
1077	1077
1078		-1. FAQ
1079		-11. How to upgrade the image?
1080	1080
1081		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1366	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1082	1082
1083		-* Support new features
1084		-* For bug fix
1085		-* Change LoRaWAN bands.
	1368	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1086	1086
1087		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1370	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1088	1088
1089		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1090	1090
1091		-**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]].
	1373	+== 6.5 Can i use point to point communication for RS485-LN? ==
1092	1092
1093		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1375	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1094	1094
1095		-**Step3: **Open flashloader; choose the correct COM port to update.
1096	1096
	1378	+== 6.6 How to Use RS485-BL  to connect to RS232 devices? ==
1097	1097
1098		-|(((
1099		-HOLD PRO then press the RST button, SYS will be ON, then click next
1100		-)))
	1380	+[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1101	1101
1102		-|(((
1103		-Board detected
1104		-)))
1105	1105
1106		-|(((
1107		-
1108		-)))
	1383	+= 7. Trouble Shooting =
1109	1109
1110		-[[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]]
	1385	+== 7.1 Downlink doesn't work, how to solve it? ==
1111	1111
	1387	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1112	1112
1113	1113
1114		-[[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]]
	1390	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1115	1115
	1392	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1116	1116
1117		-[[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]]
1118	1118
	1395	+= 8. Order Info =
1119	1119
1120		-1.
1121		-11. How to change the LoRa Frequency Bands/Region?
	1397	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1122	1122
1123		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1399	+(% style="color:blue" %)**XXX:**
1124	1124
	1401	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1402	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1403	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1404	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1405	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1406	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1407	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1408	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1409	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1410	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1125	1125
1126	1126
1127		-1.
1128		-11. How many RS485-Slave can RS485-BL connects?
1129	1129
1130		-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]].
	1414	+= 9.Packing Info =
1131	1131
1132	1132
	1417	+**Package Includes**:
1133	1133
	1419	+* RS485-LN x 1
	1420	+* Stick Antenna for LoRa RF part x 1
	1421	+* Program cable x 1
1134	1134
1135		-1. Trouble Shooting
1136		-11. Downlink doesn’t work, how to solve it?
	1423	+**Dimension and weight**:
1137	1137
1138		-Please see this link for debug:
	1425	+* Device Size: 13.5 x 7 x 3 cm
	1426	+* Device Weight: 105g
	1427	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1428	+* Weight / pcs : 170g
1139	1139
1140		-[[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]]
1141	1141
1142	1142
	1432	+= 10. FCC Caution for RS485LN-US915 =
1143	1143
1144		-1.
1145		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1434	+(((
	1435	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1436	+)))
1146	1146
1147		-It might about the channels mapping. Please see for detail.
	1438	+(((
	1439	+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.
	1440	+)))
1148	1148
1149		-[[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]]
	1442	+(((
	1443	+
	1444	+)))
1150	1150
	1446	+(((
	1447	+(% style="color:red" %)**IMPORTANT NOTE:**
	1448	+)))
1151	1151
	1450	+(((
	1451	+**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:
	1452	+)))
1152	1152
1153		-1. Order Info
	1454	+(((
	1455	+—Reorient or relocate the receiving antenna.
	1456	+)))
1154	1154
1155		-**Part Number: RS485-BL-XXX**
	1458	+(((
	1459	+—Increase the separation between the equipment and receiver.
	1460	+)))
1156	1156
1157		-**XXX:**
	1462	+(((
	1463	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1464	+)))
1158	1158
1159		-* **EU433**: frequency bands EU433
1160		-* **EU868**: frequency bands EU868
1161		-* **KR920**: frequency bands KR920
1162		-* **CN470**: frequency bands CN470
1163		-* **AS923**: frequency bands AS923
1164		-* **AU915**: frequency bands AU915
1165		-* **US915**: frequency bands US915
1166		-* **IN865**: frequency bands IN865
1167		-* **RU864**: frequency bands RU864
1168		-* **KZ865: **frequency bands KZ865
	1466	+(((
	1467	+—Consult the dealer or an experienced radio/TV technician for help.
	1468	+)))
1169	1169
1170		-1. Packing Info
	1470	+(((
	1471	+
	1472	+)))
1171	1171
1172		-**Package Includes**:
	1474	+(((
	1475	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1476	+)))
1173	1173
1174		-* RS485-BL x 1
1175		-* Stick Antenna for LoRa RF part x 1
1176		-* Program cable x 1
	1478	+(((
	1479	+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.
	1480	+)))
1177	1177
1178		-**Dimension and weight**:
1179	1179
1180		-* Device Size: 13.5 x 7 x 3 cm
1181		-* Device Weight: 105g
1182		-* Package Size / pcs : 14.5 x 8 x 5 cm
1183		-* Weight / pcs : 170g
1184	1184
1185		-1. Support
	1484	+= 11. Support =
1186	1186
1187		-* 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.
1188		-* 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
1189		-
1190		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1486	+* (((
	1487	+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.
	1488	+)))
	1489	+* (((
	1490	+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]].
	1491	+)))

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