Summary

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92	92	* Automatic RF Sense and CAD with ultra-fast AFC.
93	93	* Packet engine up to 256 bytes with CRC
94	94
95		-
96		-
97	97	== 1.3 Features ==
98	98
99	99	* LoRaWAN Class A & Class C protocol (default Class C)
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105	105	* Support Modbus protocol
106	106	* Support Interrupt uplink (Since hardware version v1.2)
107	107
108		-
109		-
110	110	== 1.4 Applications ==
111	111
112	112	* Smart Buildings & Home Automation
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116	116	* Smart Cities
117	117	* Smart Factory
118	118
119		-
120		-
121	121	== 1.5 Firmware Change log ==
122	122
123	123	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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315	315	)))
316	316	)))
317	317
	312	+
318	318	=== 3.3.2 Configure sensors ===
319	319
320	320	(((
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326	326	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
327	327	|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
328	328	|AT+CFGDEV|(% style="width:110px" %)(((
329		-(((
330	330	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
331		-)))
332	332
333		-(((
334	334	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
335		-)))
336	336
337		-(((
338	338	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
339		-)))
340	340	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
341	341
	331	+
342	342	=== 3.3.3 Configure read commands for each sampling ===
343	343
344	344	(((
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1202	1202	|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1203	1203	|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1204	1204
	1195	+
1205	1205	== 3.8 LEDs ==
1206	1206
1207	1207
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1210	1210	|**PWR**|Always on if there is power
1211	1211	|**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.
1212	1212
	1204	+
1213	1213	= 4. Case Study =
1214	1214
1215	1215	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]]
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1261	1261	)))
1262	1262
1263	1263
1264		-(((
1265	1265	If device already joined network:
1266		-)))
1267	1267
1268	1268	(% class="box infomessage" %)
1269	1269	(((
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1302	1302
1303	1303	(% style="color:red" %)**Note:**
1304	1304
1305		-(((
1306	1306	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1307	1307	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1308	1308	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.
1309	1309	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
1310		-)))
1311	1311
1312	1312	[[image:1654162478620-421.png]]
1313	1313