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

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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
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9	9	**Table of Contents:**
10	10
	17	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
20	20	(((
21		-The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
	37	+(((
	38	+
	39	+
	40	+The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22	22	)))
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23	23
24	24	(((
25		-RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	45	+(((
	46	+RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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.
	51	+(((
	52	+(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30	30	)))
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31	31
32	32	(((
33		-For data downlink, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
	57	+(((
	58	+(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
34	34	)))
	60	+
	61	+(((
	62	+(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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35	35	)))
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36	36
37		-[[image:1653267211009-519.png||height="419" width="724"]]
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38	38
	71	+
39	39	== 1.2 Specifications ==
40	40
	74	+
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
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44	44	* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46	46	** Idle: 32mA@12v
47		-
48		-*
49	49	** 20dB Transmit: 65mA@12v
50	50
51	51	**Interface for Model:**
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72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74	74	* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	107	+* Packet engine up to 256 bytes with CRC
76	76
	109	+
	110	+
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
	122	+
	123	+
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
	133	+
	134	+
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
	139	+
101	101	== 1.6 Hardware Change log ==
102	102
103	103	(((
104	104	(((
	144	+(((
105	105	v1.2: Add External Interrupt Pin.
	146	+)))
106	106
	148	+(((
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
	182	+
	183	+)))
	184	+
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"]]
	201	+(% 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
	203	+
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:
	205	+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.
	209	+(% 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
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162	162	(((
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164	164	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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165	165	)))
166	166
167	167	(((
168		-Add APP EUI in the application.
	226	+**Add APP EUI in the application.**
169	169	)))
170	170	)))
171	171
172		-[[image:image-20220519174512-1.png]]
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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"]]
	234	+(% 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]]
	236	+(% 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"]]
	240	+(% 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
	244	+**Add APP KEY and DEV EUI**
188	188
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	247	+
	248	+
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.
	250	+(% 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"]]
	253	+(% 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
	255	+
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.
	260	+(((
	261	+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	)))
	263	+)))
201	201
202	202	(((
	266	+(((
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	)))
	269	+
	270	+
205	205	)))
	272	+)))
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		-|(((
	278	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	279	+|=(% style="width: 110px;" %)(((
213	213	**AT Commands**
214		-)))|(% style="width:285px" %)(((
	281	+)))|=(% style="width: 190px;" %)(((
215	215	**Description**
216		-)))|(% style="width:347px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
217	217	**Example**
218	218	)))
219		-|(((
	286	+|(% style="width:110px" %)(((
220	220	AT+BAUDR
221		-)))|(% style="width:285px" %)(((
	288	+)))|(% style="width:190px" %)(((
222	222	Set the baud rate (for RS485 connection). Default Value is: 9600.
223		-)))|(% style="width:347px" %)(((
	290	+)))|(% 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		-|(((
	299	+|(% style="width:110px" %)(((
233	233	AT+PARITY
234		-)))|(% style="width:285px" %)(((
	301	+)))|(% style="width:190px" %)(((
235	235	Set UART parity (for RS485 connection)
236		-)))|(% style="width:347px" %)(((
	303	+)))|(% 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		-|(((
	312	+|(% style="width:110px" %)(((
246	246	AT+STOPBIT
247		-)))|(% style="width:285px" %)(((
	314	+)))|(% style="width:190px" %)(((
248	248	(((
249	249	Set serial stopbit (for RS485 connection)
250	250	)))
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252	252	(((
253	253
254	254	)))
255		-)))|(% style="width:347px" %)(((
	322	+)))|(% style="width:190px" %)(((
256	256	(((
257	257	AT+STOPBIT=0 for 1bit
258	258	)))
...	...	@@ -274,140 +274,68 @@
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" %)(((
	344	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	345	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	346	+|AT+CFGDEV|(% style="width:110px" %)(((
	347	+(((
280	280	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	349	+)))
281	281
	351	+(((
282	282	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	353	+)))
283	283
	355	+(((
284	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
	357	+)))
	358	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286	286
287	287	=== 3.3.3 Configure read commands for each sampling ===
288	288
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.
291		-)))
	363	+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.
292	292
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.
295		-)))
296		-
297		-(((
298	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.
299		-)))
300	300
301		-(((
302	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		-)))
	369	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
308	308
309		-(((
310		-**Command from RS485-BL to Sensor:**
311		-)))
312	312
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	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
316	316
317		-(((
318		-**Handle return from sensors to RS485-BL**:
319		-)))
	374	+~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.
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	+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.
324	324
325		-* (((
326		-**AT+DATACUT**
327		-)))
	378	+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
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		-)))
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		-)))
340		-
341		-(((
342		-**Define wait timeout:**
343		-)))
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		-)))
348		-
349		-(((
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**
	386	+(% 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
	388	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	389	+|(% style="width:496px" %)(((
	390	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	391	+
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		-)))
	399	+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**
	402	+(% 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		-|(((
	404	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	405	+|(% 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:
	413	+**Examples:**
419	419
420		-* Grab bytes:
	415	+* (% style="color:#037691" %)**Grab bytes**
421	421
422		-[[image:1653269551753-223.png||height="311" width="717"]]
	417	+(% 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"]]
	420	+* (% style="color:#037691" %)**Grab a section**
427	427
428		-* Grab different sections.
	422	+(% 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:**
	425	+* (% 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.
	427	+(% 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
	430	+
	431	+)))
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.**
	437	+
	438	+
456	456	)))
457	457
458	458	(((
459		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	442	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	443	+
	444	+
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"]]
	463	+(% 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
	466	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	467	+
	468	+
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
...	...	@@ -485,704 +485,992 @@
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||height="433" width="711"]]
	476	+1. PAYVER: Defined by AT+PAYVER
	477	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	478	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	479	+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
	481	+(% 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 = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	484	+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=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	486	+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 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	488	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
504	504
505		-Below are the uplink payloads:
	490	+DATA3=the rest of Valid value of RETURN10= **30**
506	506
507		-[[image:1653270130359-810.png]]
508	508
	493	+(% 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:
509	509
510		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	495	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
511	511
512		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	497	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
513	513
514		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	499	+ * For US915 band, max 11 bytes for each uplink.
515	515
516		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	501	+ ~* For all other bands: max 51 bytes for each uplink.
517	517
518		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
519	519
	504	+Below are the uplink payloads:
520	520
	506	+(% 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		-1.
523		-11.
524		-111. Uplink on demand
525	525
526		-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.
527	527
528		-Downlink control command:
	510	+=== 3.3.5 Uplink on demand ===
529	529
530		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	512	+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.
531	531
532		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	514	+Downlink control command:
533	533
	516	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
534	534
	518	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
535	535
536		-1.
537		-11.
538		-111. Uplink on Interrupt
539	539
540		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
541	541
542		-AT+INTMOD=0  Disable Interrupt
	522	+=== 3.3.6 Uplink on Interrupt ===
543	543
544		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	524	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
545	545
546		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	526	+(% 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" %)​
547	547
548		-AT+INTMOD=3  Interrupt trigger by rising edge.
	528	+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.
549	549
550	550
551		-1.
552		-11. Uplink Payload
	531	+== 3.4 Uplink Payload ==
553	553
554		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
555		-|Value|(((
556		-Battery(mV)
557	557
558		-&
	534	+(% 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" %)​
559	559
560		-Interrupt _Flag
561		-)))|(((
562		-PAYLOAD_VER
563		-
564		-
565		-)))|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.
566		-
567	567	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
568	568
569	569
570		-function Decoder(bytes, port) {
	539	+== 3.5 Configure RS485-LN via AT or Downlink ==
571	571
572		-~/~/Payload Formats of RS485-BL Deceive
	541	+(((
	542	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	543	+)))
573	573
574		-return {
	545	+(((
	546	+There are two kinds of Commands:
	547	+)))
575	575
576		- ~/~/Battery,units:V
	549	+* (((
	550	+(% 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]]
	551	+)))
577	577
578		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	553	+* (((
	554	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	555	+)))
579	579
580		- ~/~/GPIO_EXTI
	557	+(((
	558	+
	559	+)))
581	581
582		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
583	583
584		- ~/~/payload of version
	562	+=== 3.5.1 Common Commands ===
585	585
586		- Pay_ver:bytes[2],
	564	+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]]
587	587
588		- };
589	589
590		- }
	567	+=== 3.5.2 Sensor related commands ===
591	591
	569	+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.
592	592
	571	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
593	593
	573	+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)
594	594
595	595
	576	+=== 3.5.3 Sensor related commands ===
596	596
597	597
598		-TTN V3 uplink screen shot.
599	599
600		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
601	601
602		-1.
603		-11. Configure RS485-BL via AT or Downlink
	581	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
604	604
605		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	583	+(((
	584	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	585	+)))
606	606
607		-There are two kinds of Commands:
	587	+* (((
	588	+(% style="color:#037691" %)**AT Command**
608	608
609		-* **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
	590	+(((
	591	+**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
	592	+)))
	593	+)))
610	610
611		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	595	+(((
	596	+
	597	+)))
612	612
613		-1.
614		-11.
615		-111. Common Commands:
	599	+* (((
	600	+(% style="color:#037691" %)**Downlink Payload**
	601	+)))
616	616
617		-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]]
	603	+(((
	604	+Format: A8 MM NN XX XX XX XX YY
	605	+)))
618	618
	607	+(((
	608	+Where:
	609	+)))
619	619
620		-1.
621		-11.
622		-111. Sensor related commands:
	611	+* (((
	612	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	613	+)))
	614	+* (((
	615	+NN: The length of RS485 command
	616	+)))
	617	+* (((
	618	+XX XX XX XX: RS485 command total NN bytes
	619	+)))
	620	+* (((
	621	+(((
	622	+YY: How many bytes will be uplink from the return of this RS485 command,
	623	+)))
623	623
624		-==== Choose Device Type (RS485 or TTL) ====
	625	+* (((
	626	+if YY=0, RS485-LN will execute the downlink command without uplink;
	627	+)))
	628	+* (((
	629	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	630	+)))
	631	+* (((
	632	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	633	+)))
	634	+)))
625	625
626		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	636	+(((
	637	+
627	627
628		-* AT Command
	639	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	640	+)))
629	629
630		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	642	+(((
	643	+To connect a Modbus Alarm with below commands.
	644	+)))
631	631
632		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	646	+* (((
	647	+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.
	648	+)))
633	633
	650	+* (((
	651	+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.
	652	+)))
634	634
635		-* Downlink Payload
	654	+(((
	655	+
636	636
637		-**0A aa**     à same as AT+MOD=aa
	657	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	658	+)))
638	638
	660	+(((
	661	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	662	+)))
639	639
	664	+(((
	665	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	666	+)))
640	640
641		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	668	+(((
	669	+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.
	670	+)))
642	642
643		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	672	+(((
	673	+
	674	+)))
644	644
645		-* AT Command
	676	+(((
	677	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	678	+)))
646	646
647		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	680	+(((
	681	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	682	+)))
648	648
649		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	684	+(((
	685	+
	686	+)))
650	650
	688	+(((
	689	+(((
	690	+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**
	691	+)))
651	651
	693	+
	694	+)))
652	652
653		-* Downlink Payload
	696	+(((
	697	+ (% 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" %)​
	698	+)))
654	654
655		-Format: A8 MM NN XX XX XX XX YY
656	656
657		-Where:
658	658
659		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
660		-* NN: The length of RS485 command
661		-* XX XX XX XX: RS485 command total NN bytes
662		-* 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
663	663
664		-**Example 1:**
	703	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
665	665
666		-To connect a Modbus Alarm with below commands.
	705	+(((
	706	+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.
	707	+)))
667	667
668		-* 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.
	709	+* (((
	710	+(% style="color:#037691" %)**AT Command:**
669	669
670		-* 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.
	712	+**AT+PAYVER:    **Set PAYVER field = 1
671	671
672		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	714	+
	715	+)))
	716	+* (((
	717	+(% style="color:#037691" %)**Downlink Payload:**
	718	+)))
673	673
674		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	720	+(((
	721	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	722	+)))
675	675
676		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	724	+(((
	725	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	726	+)))
677	677
678		-A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
679	679
680	680
681		-**Example 2:**
682	682
683		-Check TTL Sensor return:
	731	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
684	684
685		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	733	+(((
	734	+AT+COMMANDx or AT+DATACUTx
	735	+)))
686	686
	737	+(((
	738	+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"]].
	739	+)))
687	687
	741	+(((
	742	+
	743	+)))
688	688
	745	+* (((
	746	+(% style="color:#037691" %)**AT Command:**
	747	+)))
689	689
690		-==== Set Payload version ====
	749	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
691	691
692		-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.
	751	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
693	693
694		-* AT Command:
695	695
696		-AT+PAYVER: Set PAYVER field = 1
	754	+* (((
	755	+(% style="color:#037691" %)**Downlink Payload:**
	756	+)))
697	697
	758	+(((
	759	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	760	+)))
698	698
699		-* Downlink Payload:
	762	+(((
	763	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	764	+)))
700	700
701		-0xAE 01   à Set PAYVER field =  0x01
	766	+(((
	767	+Format: AF MM NN LL XX XX XX XX YY
	768	+)))
702	702
703		-0xAE 0F   à Set PAYVER field =  0x0F
	770	+(((
	771	+Where:
	772	+)))
704	704
	774	+* (((
	775	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	776	+)))
	777	+* (((
	778	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	779	+)))
	780	+* (((
	781	+LL:  The length of AT+COMMAND or AT+DATACUT command
	782	+)))
	783	+* (((
	784	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	785	+)))
	786	+* (((
	787	+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.
	788	+)))
705	705
706		-==== Set RS485 Sampling Commands ====
	790	+(((
	791	+
707	707
708		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	793	+**Example:**
	794	+)))
709	709
710		-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]].
	796	+(((
	797	+(% 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
	798	+)))
711	711
	800	+(((
	801	+(% 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**
	802	+)))
712	712
713		-* AT Command:
	804	+(((
	805	+(% 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**
	806	+)))
714	714
715		-AT+COMMANDx: Configure RS485 read command to sensor.
716	716
717		-AT+DATACUTx: Configure how to handle return from RS485 devices.
718	718
719		-AT+SEARCHx: Configure search command
720	720
	811	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
721	721
722		-* Downlink Payload:
	813	+(((
	814	+**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]].
	815	+)))
723	723
724		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	817	+(((
	818	+This command is valid since v1.3 firmware version
	819	+)))
725	725
726		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	821	+(((
	822	+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.
	823	+)))
727	727
728		-Format: AF MM NN LL XX XX XX XX YY
	825	+(((
	826	+
	827	+)))
729	729
730		-Where:
	829	+(((
	830	+**Example:**
	831	+)))
731	731
732		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
733		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
734		-* LL: The length of AT+COMMAND or AT+DATACUT command
735		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
736		-* 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.
	833	+* (((
	834	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	835	+)))
	836	+* (((
	837	+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.
	838	+)))
	839	+* (((
	840	+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.
737	737
738		-Example:
	842	+
	843	+)))
739	739
740		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	845	+(% 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" %)​
741	741
742		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	847	+(% 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" %)​
743	743
744		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
745	745
746	746
747		-0xAB downlink command can be used for set AT+SEARCHx
748	748
749		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	852	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
750	750
751		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
752		-* 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
	854	+(((
	855	+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.
	856	+)))
753	753
754		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	858	+(((
	859	+Default value: 0, range:  0 ~~ 65 seconds
	860	+)))
755	755
	862	+* (((
	863	+(% style="color:#037691" %)** AT Command:**
756	756
757		-==== Fast command to handle MODBUS device ====
	865	+**AT+CMDDLaa=hex(bb cc)*1000**
	866	+)))
758	758
759		-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]].
	868	+(((
	869	+
760	760
761		-This command is valid since v1.3 firmware version
	871	+**Example:**
	872	+)))
762	762
	874	+(((
	875	+**AT+CMDDL1=1000** to send the open time to 1000ms
	876	+)))
763	763
764		-AT+MBFUN has only two value:
	878	+(((
	879	+
	880	+)))
765	765
766		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	882	+* (((
	883	+(% style="color:#037691" %)** Downlink Payload:**
	884	+)))
767	767
768		-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.
	886	+(((
	887	+**0x AA aa bb cc**
	888	+)))
769	769
770		-* AT+MBFUN=0: Disable Modbus fast reading.
	890	+(((
	891	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	892	+)))
771	771
772		-Example:
	894	+(((
	895	+**Example:**
	896	+)))
773	773
774		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
775		-* 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.
776		-* 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.
	898	+(((
	899	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	900	+)))
777	777
778		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
779	779
780	780
781		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
782	782
	905	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
783	783
784		-* Downlink Commands:
	907	+(((
	908	+Define to use one uplink or multiple uplinks for the sampling.
	909	+)))
785	785
786		-A9 aa -à Same as AT+MBFUN=aa
	911	+(((
	912	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
787	787
	914	+
	915	+)))
788	788
789		-==== RS485 command timeout ====
	917	+* (((
	918	+(% style="color:#037691" %)** AT Command:**
	919	+)))
790	790
791		-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.
	921	+**AT+DATAUP=0**
792	792
793		-Default value: 0, range:  0 ~~ 5 seconds
	923	+**AT+DATAUP=1**
794	794
795	795
796		-* AT Command:
	926	+* (((
	927	+(% style="color:#037691" %)** Downlink Payload:**
	928	+)))
797	797
798		-AT+CMDDLaa=hex(bb cc)
	930	+(((
	931	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	932	+)))
799	799
800		-Example:
	934	+(((
	935	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	936	+)))
801	801
802		-**AT+CMDDL1=1000** to send the open time to 1000ms
803	803
804	804
805		-* Downlink Payload:
806	806
807		-0x AA aa bb cc
	941	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
808	808
809		-Same as: AT+CMDDLaa=hex(bb cc)
	943	+(((
	944	+Ask device to send an uplink immediately.
	945	+)))
810	810
811		- Example:
	947	+* (((
	948	+(% style="color:#037691" %)** AT Command:**
	949	+)))
812	812
813		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	951	+(((
	952	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	953	+)))
814	814
	955	+(((
	956	+
	957	+)))
815	815
816		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	959	+* (((
	960	+(% style="color:#037691" %)** Downlink Payload:**
	961	+)))
817	817
818		-Define to use one uplink or multiple uplinks for the sampling.
	963	+(((
	964	+**0x08 FF**, RS485-LN will immediately send an uplink.
	965	+)))
819	819
820		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
821	821
822		-* AT Command:
823	823
824		-AT+DATAUP=0
825	825
826		-AT+DATAUP=1
	970	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
827	827
828		-
829		-* Downlink Payload:
830		-
831		-0xAD 00   à Same as AT+DATAUP=0
832		-
833		-0xAD 01   à Same as AT+DATAUP=1
834		-
835		-
836		-==== Manually trigger an Uplink ====
837		-
838		-Ask device to send an uplink immediately.
839		-
840		-* Downlink Payload:
841		-
842		-0x08 FF, RS485-BL will immediately send an uplink.
843		-
844		-
845		-==== Clear RS485 Command ====
846		-
	972	+(((
847	847	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
848	848
	975	+
	976	+)))
849	849
850		-* AT Command:
	978	+* (((
	979	+(% style="color:#037691" %)** AT Command:**
	980	+)))
851	851
	982	+(((
852	852	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	984	+)))
853	853
	986	+(((
854	854	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	988	+)))
855	855
	990	+(((
856	856	Example screen shot after clear all RS485 commands.
	992	+)))
857	857
	994	+(((
	995	+
	996	+)))
858	858
859		-
	998	+(((
860	860	The uplink screen shot is:
	1000	+)))
861	861
862		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1002	+(% 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" %)​
863	863
864	864
865		-* Downlink Payload:
	1005	+* (((
	1006	+(% style="color:#037691" %)** Downlink Payload:**
	1007	+)))
866	866
867		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1009	+(((
	1010	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1011	+)))
868	868
869	869
870		-==== Set Serial Communication Parameters ====
871	871
	1015	+
	1016	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1017	+
	1018	+(((
872	872	Set the Rs485 serial communication parameters:
	1020	+)))
873	873
874		-* AT Command:
	1022	+* (((
	1023	+(% style="color:#037691" %)** AT Command:**
	1024	+)))
875	875
876		-Set Baud Rate:
	1026	+(((
	1027	+
877	877
878		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1029	+* Set Baud Rate
	1030	+)))
879	879
	1032	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
880	880
881		-Set UART parity
882	882
883		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1035	+(((
	1036	+* Set UART Parity
	1037	+)))
884	884
	1039	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
885	885
886		-Set STOPBIT
887	887
888		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1042	+(((
	1043	+* Set STOPBIT
	1044	+)))
889	889
	1046	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
890	890
891		-* Downlink Payload:
892	892
893		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
894	894
895		-Example:
	1050	+* (((
	1051	+(% style="color:#037691" %)** Downlink Payload:**
	1052	+)))
896	896
897		-* A7 01 00 60   same as AT+BAUDR=9600
898		-* A7 01 04 80  same as AT+BAUDR=115200
	1054	+(((
	1055	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1056	+)))
899	899
900		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1058	+(((
	1059	+**Example:**
	1060	+)))
901	901
902		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1062	+* (((
	1063	+A7 01 00 60   same as AT+BAUDR=9600
	1064	+)))
	1065	+* (((
	1066	+A7 01 04 80  same as AT+BAUDR=115200
	1067	+)))
903	903
	1069	+(((
	1070	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1071	+)))
904	904
905		-==== Control output power duration ====
	1073	+(((
	1074	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1075	+)))
906	906
907		-User can set the output power duration before each sampling.
908	908
909		-* AT Command:
910	910
911		-Example:
912	912
913		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1080	+== 3.6 Listening mode for RS485 network ==
914	914
915		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1082	+(((
	1083	+This feature support since firmware v1.4
	1084	+)))
916	916
	1086	+(((
	1087	+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.
	1088	+)))
917	917
918		-* LoRaWAN Downlink Command:
	1090	+(% 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" %)​
919	919
920		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1092	+(((
	1093	+To enable the listening mode, use can run the command AT+RXMODE.
	1094	+)))
921	921
922		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1096	+(((
	1097	+
	1098	+)))
923	923
	1100	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1101	+|=(% style="width: 100px;" %)(((
	1102	+**Command example**
	1103	+)))|=(% style="width: 400px;" %)(((
	1104	+**Function**
	1105	+)))
	1106	+|(% style="width:100px" %)(((
	1107	+AT+RXMODE=1,10
	1108	+)))|(% style="width:400px" %)(((
	1109	+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.
	1110	+)))
	1111	+|(% style="width:100px" %)(((
	1112	+AT+RXMODE=2,500
	1113	+)))|(% style="width:400px" %)(((
	1114	+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
	1115	+)))
	1116	+|(% style="width:100px" %)(((
	1117	+AT+RXMODE=0,0
	1118	+)))|(% style="width:400px" %)(((
	1119	+Disable listening mode. This is the default settings.
	1120	+)))
	1121	+|(% style="width:100px" %)(((
	1122	+
	1123	+)))|(% style="width:400px" %)(((
	1124	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1125	+)))
924	924
	1127	+(((
	1128	+(% style="color:#037691" %)** Downlink Command:**
	1129	+)))
925	925
	1131	+(((
	1132	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1133	+)))
926	926
927		-1.
928		-11. Buttons
	1135	+(((
	1136	+
	1137	+)))
929	929
930		-|**Button**|**Feature**
931		-|**RST**|Reboot RS485-BL
	1139	+(((
	1140	+**Example**:
	1141	+)))
932	932
933		-1.
934		-11. +3V3 Output
	1143	+(((
	1144	+The RS485-LN is set to AT+RXMODE=2,1000
	1145	+)))
935	935
936		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1147	+(((
	1148	+There is a two Modbus commands in the RS485 network as below:
	1149	+)))
937	937
938		-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.
	1151	+(((
	1152	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1153	+)))
939	939
	1155	+(((
	1156	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1157	+)))
940	940
941		-The +3V3 output time can be controlled by AT Command.
	1159	+(((
	1160	+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
	1161	+)))
942	942
943		-**AT+3V3T=1000**
	1163	+(((
	1164	+(% 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" %)​
	1165	+)))
944	944
945		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1167	+(((
	1168	+
	1169	+)))
946	946
	1171	+(((
	1172	+(((
	1173	+(% 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.
	1174	+)))
	1175	+)))
947	947
948		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
949	949
	1178	+== 3.7 Buttons ==
950	950
951		-1.
952		-11. +5V Output
953	953
954		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1181	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1182	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1183	+|(% 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**
	1184	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1185	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
955	955
956		-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.
	1187	+== 3.8 LEDs ==
957	957
958	958
959		-The 5V output time can be controlled by AT Command.
	1190	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1191	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1192	+|**PWR**|Always on if there is power
	1193	+|**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.
960	960
961		-**AT+5VT=1000**
	1195	+= 4. Case Study =
962	962
963		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1197	+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]]
964	964
965	965
966		-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.
	1200	+= 5. Use AT Command =
967	967
	1202	+== 5.1 Access AT Command ==
968	968
	1204	+(((
	1205	+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.
	1206	+)))
969	969
	1208	+(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
970	970
971		-1.
972		-11. LEDs
973	973
974		-|**LEDs**|**Feature**
975		-|**LED1**|Blink when device transmit a packet.
	1211	+(((
	1212	+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:
	1213	+)))
976	976
977		-1.
978		-11. Switch Jumper
	1215	+(% 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" %)​
979	979
980		-|**Switch Jumper**|**Feature**
981		-|**SW1**|(((
982		-ISP position: Upgrade firmware via UART
983	983
984		-Flash position: Configure device, check running status.
	1218	+(((
	1219	+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/]]
985	985	)))
986		-|**SW2**|(((
987		-5V position: set to compatible with 5v I/O.
988	988
989		-3.3v position: set to compatible with 3.3v I/O.,
990		-)))
991	991
992		-+3.3V: is always ON
993	993
994		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1224	+== 5.2 Common AT Command Sequence ==
995	995
996		-1. Case Study
	1226	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
997	997
998		-User can check this URL for some case studies.
	1228	+If device has not joined network yet:
999	999
1000		-[[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]]
	1230	+* (% style="color:#037691" %)**AT+FDR**
	1231	+* (% style="color:#037691" %)**AT+NJM=0**
	1232	+* (% style="color:#037691" %)**ATZ**
1001	1001
	1234	+(((
	1235	+If device already joined network:
1002	1002
	1237	+* (% style="color:#037691" %)**AT+NJM=0**
	1238	+* (% style="color:#037691" %)**ATZ**
1003	1003
	1240	+
	1241	+)))
1004	1004
1005		-1. Use AT Command
1006		-11. Access AT Command
1007	1007
1008		-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.
	1244	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1009	1009
1010		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1011	1011
	1247	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1012	1012
1013		-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:
	1249	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1014	1014
1015		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1251	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1016	1016
	1253	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1017	1017
	1255	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1018	1018
1019		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1257	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1020	1020
	1259	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1021	1021
	1261	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1022	1022
1023		-1.
1024		-11. Common AT Command Sequence
1025		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1263	+(% 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.
1026	1026
1027		-If device has not joined network yet:
	1265	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1028	1028
1029		-AT+FDR
1030	1030
1031		-AT+NJM=0
	1268	+(% style="color:red" %)**Note:**
1032	1032
1033		-ATZ
	1270	+(((
	1271	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1272	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1273	+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.
	1274	+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
	1275	+)))
1034	1034
	1277	+(% 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" %)​
1035	1035
1036		-If device already joined network:
1037	1037
1038		-AT+NJM=0
	1280	+= 6. FAQ =
1039	1039
1040		-ATZ
	1282	+== 6.1 How to upgrade the image? ==
1041	1041
1042		-1.
1043		-11.
1044		-111. Single-channel ABP mode (Use with LG01/LG02)
	1284	+(((
	1285	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1286	+)))
1045	1045
1046		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1288	+* (((
	1289	+Support new features
	1290	+)))
	1291	+* (((
	1292	+For bug fix
	1293	+)))
	1294	+* (((
	1295	+Change LoRaWAN bands.
	1296	+)))
1047	1047
1048		-AT+NJM=0 Set to ABP mode
	1298	+(((
	1299	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1300	+)))
1049	1049
1050		-AT+ADR=0 Set the Adaptive Data Rate Off
	1302	+(% 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" %)​
1051	1051
1052		-AT+DR=5  Set Data Rate
	1304	+(((
	1305	+**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]].
	1306	+)))
1053	1053
1054		-AT+TDC=60000  Set transmit interval to 60 seconds
	1308	+(((
	1309	+**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1310	+)))
1055	1055
1056		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1312	+(((
	1313	+**Step3: **Open flashloader; choose the correct COM port to update.
	1314	+)))
1057	1057
1058		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1316	+(((
	1317	+(((
	1318	+(((
	1319	+(% 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.
	1320	+)))
	1321	+)))
	1322	+)))
1059	1059
1060		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1061	1061
1062		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1325	+(% 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" %)​
1063	1063
1064		-ATZ          Reset MCU
1065	1065
1066		-**Note:**
	1328	+(% 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" %)​
1067	1067
1068		-1. Make sure the device is set to ABP mode in the IoT Server.
1069		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1070		-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.
1071		-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
1072	1072
1073		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1331	+(% 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" %)​
1074	1074
1075	1075
1076		-1. FAQ
1077		-11. How to upgrade the image?
	1334	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1078	1078
1079		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1336	+(% 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" %)​
1080	1080
1081		-* Support new features
1082		-* For bug fix
1083		-* Change LoRaWAN bands.
1084	1084
1085		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1339	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1086	1086
1087		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1341	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1088	1088
1089		-**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]].
1090	1090
1091		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1344	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1092	1092
1093		-**Step3: **Open flashloader; choose the correct COM port to update.
	1346	+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"]].
1094	1094
1095	1095
1096		-|(((
1097		-HOLD PRO then press the RST button, SYS will be ON, then click next
1098		-)))
	1349	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1099	1099
1100		-|(((
1101		-Board detected
1102		-)))
	1351	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1103	1103
1104		-|(((
1105		-
1106		-)))
	1353	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1107	1107
1108		-[[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]]
1109	1109
	1356	+= 7. Trouble Shooting =
1110	1110
	1358	+== 7.1 Downlink doesn’t work, how to solve it? ==
1111	1111
1112		-[[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]]
	1360	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1113	1113
1114	1114
1115		-[[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]]
	1363	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1116	1116
	1365	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1117	1117
1118		-1.
1119		-11. How to change the LoRa Frequency Bands/Region?
1120	1120
1121		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1368	+= 8. Order Info =
1122	1122
	1370	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1123	1123
	1372	+(% style="color:blue" %)**XXX:**
1124	1124
1125		-1.
1126		-11. How many RS485-Slave can RS485-BL connects?
	1374	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1375	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1376	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1377	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1378	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1379	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1380	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1381	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1382	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1383	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1127	1127
1128		-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]].
1129	1129
1130	1130
	1387	+= 9.Packing Info =
1131	1131
1132	1132
1133		-1. Trouble Shooting
1134		-11. Downlink doesn’t work, how to solve it?
	1390	+**Package Includes**:
1135	1135
1136		-Please see this link for debug:
	1392	+* RS485-LN x 1
	1393	+* Stick Antenna for LoRa RF part x 1
	1394	+* Program cable x 1
1137	1137
1138		-[[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]]
	1396	+**Dimension and weight**:
1139	1139
	1398	+* Device Size: 13.5 x 7 x 3 cm
	1399	+* Device Weight: 105g
	1400	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1401	+* Weight / pcs : 170g
1140	1140
1141	1141
1142		-1.
1143		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1144	1144
1145		-It might about the channels mapping. Please see for detail.
	1405	+= 10. FCC Caution for RS485LN-US915 =
1146	1146
1147		-[[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]]
	1407	+(((
	1408	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1409	+)))
1148	1148
	1411	+(((
	1412	+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.
	1413	+)))
1149	1149
	1415	+(((
	1416	+
	1417	+)))
1150	1150
1151		-1. Order Info
	1419	+(((
	1420	+**IMPORTANT NOTE:**
	1421	+)))
1152	1152
1153		-**Part Number: RS485-BL-XXX**
	1423	+(((
	1424	+**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:
	1425	+)))
1154	1154
1155		-**XXX:**
	1427	+(((
	1428	+—Reorient or relocate the receiving antenna.
	1429	+)))
1156	1156
1157		-* **EU433**: frequency bands EU433
1158		-* **EU868**: frequency bands EU868
1159		-* **KR920**: frequency bands KR920
1160		-* **CN470**: frequency bands CN470
1161		-* **AS923**: frequency bands AS923
1162		-* **AU915**: frequency bands AU915
1163		-* **US915**: frequency bands US915
1164		-* **IN865**: frequency bands IN865
1165		-* **RU864**: frequency bands RU864
1166		-* **KZ865: **frequency bands KZ865
	1431	+(((
	1432	+—Increase the separation between the equipment and receiver.
	1433	+)))
1167	1167
1168		-1. Packing Info
	1435	+(((
	1436	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1437	+)))
1169	1169
1170		-**Package Includes**:
	1439	+(((
	1440	+—Consult the dealer or an experienced radio/TV technician for help.
	1441	+)))
1171	1171
1172		-* RS485-BL x 1
1173		-* Stick Antenna for LoRa RF part x 1
1174		-* Program cable x 1
	1443	+(((
	1444	+
	1445	+)))
1175	1175
1176		-**Dimension and weight**:
	1447	+(((
	1448	+**FCC Radiation Exposure Statement:**
	1449	+)))
1177	1177
1178		-* Device Size: 13.5 x 7 x 3 cm
1179		-* Device Weight: 105g
1180		-* Package Size / pcs : 14.5 x 8 x 5 cm
1181		-* Weight / pcs : 170g
	1451	+(((
	1452	+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.
	1453	+)))
1182	1182
1183		-1. Support
1184	1184
1185		-* 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.
1186		-* 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
	1456	+= 11. Support =
1187	1187
1188		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1458	+* (((
	1459	+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.
	1460	+)))
	1461	+* (((
	1462	+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]].
	1463	+)))

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