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19	19	(((
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21		-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.
	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.
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25		-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.
	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.
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29		-(% 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.
	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.
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33		-(% 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.
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35		-(% 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]]
	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.
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39	39	[[image:1653267211009-519.png||height="419" width="724"]]
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41		-
42	42	== 1.2 Specifications ==
43	43
44		-
45	45	**Hardware System:**
46	46
47	47	* STM32L072CZT6 MCU
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48	48	* SX1276/78 Wireless Chip
49	49	* Power Consumption (exclude RS485 device):
50	50	** Idle: 32mA@12v
	47	+
	48	+*
51	51	** 20dB Transmit: 65mA@12v
52	52
53	53	**Interface for Model:**
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76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77	77	* Packet engine up to 256 bytes with CRC.
78	78
79		-
80		-
81	81	== 1.3 Features ==
82	82
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
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89	89	* Support Modbus protocol
90	90	* Support Interrupt uplink (Since hardware version v1.2)
91	91
92		-
93		-
94	94	== 1.4 Applications ==
95	95
96	96	* Smart Buildings & Home Automation
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523	523
524	524	~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
525	525
526		-=== 3.3.5 Uplink on demand ===
527	527
	521	+
	522	+1.
	523	+11.
	524	+111. Uplink on demand
	525	+
528	528	Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
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530	530	Downlink control command: