Summary

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82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83	83	* Packet engine up to 256 bytes with CRC
84	84
85		-
86		-
87	87	== 1.3 Features ==
88	88
89	89	* LoRaWAN Class A & Class C protocol (default Class C)
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95	95	* Support Modbus protocol
96	96	* Support Interrupt uplink (Since hardware version v1.2)
97	97
98		-
99		-
100	100	== 1.4 Applications ==
101	101
102	102	* Smart Buildings & Home Automation
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106	106	* Smart Cities
107	107	* Smart Factory
108	108
109		-
110		-
111	111	== 1.5 Firmware Change log ==
112	112
113	113	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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223	223
224	224	(((
225	225	(((
226		-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.
	220	+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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
227	227	)))
228	228
229	229	(((
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428	428
429	429	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
430	430
	425	+
431	431	1. PAYVER: Defined by AT+PAYVER
432	432	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
433	433	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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507	507
508	508	There are two kinds of Commands:
509	509
510		-* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	505	+* (% 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]]
511	511
512	512	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
513	513
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527	527
528	528	=== 3.5.3 Sensor related commands ===
529	529
530		-(% class="wikigeneratedid" id="H" %)
531		-
532	532
533	533
534	534	==== **RS485 Debug Command** ====
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737	737
738	738	* **AT Command:**
739	739
740		-No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	733	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
741	741
742	742
743	743	* **Downlink Payload:**
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745	745	**0x08 FF**, RS485-LN will immediately send an uplink.
746	746
747	747
748		-==== ====
749	749
750	750	==== **Clear RS485 Command** ====
751	751
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762	762
763	763	The uplink screen shot is:
764	764
765		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	757	+[[image:1654160691922-496.png]]
766	766
767	767
768	768	* **Downlink Payload:**
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861	861	|=**Button**|=(% style="width: 1420px;" %)**Feature**
862	862	|**ACT**|(% style="width:1420px" %)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**
863	863	|**RST**|(% style="width:1420px" %)Reboot RS485
864		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	856	+|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
865	865
866	866
867		-
868	868	== 3.8 LEDs ==
869	869
870	870	(% border="1" style="background-color:#f7faff; width:500px" %)
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873	873	|**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.
874	874
875	875
876		-
877	877	= 4. Case Study =
878	878
879	879	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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893	893	[[image:1654162368066-342.png]]
894	894
895	895
896		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
	886	+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/]]
897	897
898	898
899	899	== 5.2 Common AT Command Sequence ==
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985	985
986	986	**Step3: **Open flashloader; choose the correct COM port to update.
987	987
	978	+(((
988	988	(% 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.
	980	+)))
989	989
990	990
991	991	[[image:image-20220602175818-12.png]]
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1048	1048	* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1049	1049	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1050	1050
1051		-
1052		-
1053	1053	= 9.Packing Info =
1054	1054
1055	1055
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1066	1066	* Package Size / pcs : 14.5 x 8 x 5 cm
1067	1067	* Weight / pcs : 170g
1068	1068
1069		-
1070		-
1071	1071	= 10. FCC Caution for RS485LN-US915 =
1072	1072
1073	1073	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.