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1		-RS485-LN – RS485 to LoRaWAN Converter
	1	+RS485-BL – Waterproof RS485 to LoRaWAN Converter

Content

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1	1	(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
	2	+[[image:1652947681187-144.png||height="385" width="385"]]
3	3
4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
	7	+**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8	8
	9	+
9	9	**Table of Contents:**
10	10
11	11
...	...	@@ -14,44 +14,62 @@
14	14
15	15	= 1.Introduction =
16	16
17		-== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
	18	+== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
18	18
19	19	(((
	21	+
	22	+)))
	23	+
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.
	25	+The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
22	22	)))
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.
	29	+RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
26	26	)))
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.
	33	+RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
30	30	)))
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.
	37	+RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
34	34	)))
	39	+
	40	+(((
	41	+For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
35	35	)))
36	36
37		-[[image:1653267211009-519.png||height="419" width="724"]]
	44	+(((
	45	+For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices.
	46	+)))
38	38
	48	+(((
	49	+Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
	50	+)))
	51	+
	52	+[[image:1652953304999-717.png||height="424" width="733"]]
	53	+
39	39	== 1.2 Specifications ==
40	40
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
44		-* SX1276/78 Wireless Chip
	59	+* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46		-** Idle: 32mA@12v
	61	+** Idle: 6uA@3.3v
47	47
48		-*
49		-** 20dB Transmit: 65mA@12v
	63	+*
	64	+** 20dB Transmit: 130mA@3.3v
50	50
51	51	**Interface for Model:**
52	52
53		-* RS485
54		-* Power Input 7~~ 24V DC.
	68	+* 1 x RS485 Interface
	69	+* 1 x TTL Serial , 3.3v or 5v.
	70	+* 1 x I2C Interface, 3.3v or 5v.
	71	+* 1 x one wire interface
	72	+* 1 x Interrupt Interface
	73	+* 1 x Controllable 5V output, max
55	55
56	56	**LoRa Spec:**
57	57
...	...	@@ -60,30 +60,27 @@
60	60	** Band 2 (LF): 410 ~~ 528 Mhz
61	61	* 168 dB maximum link budget.
62	62	* +20 dBm - 100 mW constant RF output vs.
63		-* +14 dBm high efficiency PA.
64	64	* Programmable bit rate up to 300 kbps.
65	65	* High sensitivity: down to -148 dBm.
66	66	* Bullet-proof front end: IIP3 = -12.5 dBm.
67	67	* Excellent blocking immunity.
68		-* Low RX current of 10.3 mA, 200 nA register retention.
69	69	* Fully integrated synthesizer with a resolution of 61 Hz.
70		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	87	+* LoRa modulation.
71	71	* Built-in bit synchronizer for clock recovery.
72	72	* Preamble detection.
73	73	* 127 dB Dynamic Range RSSI.
74		-* Automatic RF Sense and CAD with ultra-fast AFC.
75		-* Packet engine up to 256 bytes with CRC.
	91	+* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
76	76
77	77	== 1.3 Features ==
78	78
79		-* LoRaWAN Class A & Class C protocol (default Class C)
	95	+* LoRaWAN Class A & Class C protocol (default Class A)
80	80	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
81	81	* AT Commands to change parameters
82		-* Remote configure parameters via LoRa Downlink
	98	+* Remote configure parameters via LoRaWAN Downlink
83	83	* Firmware upgradable via program port
84	84	* Support multiply RS485 devices by flexible rules
85	85	* Support Modbus protocol
86		-* Support Interrupt uplink (Since hardware version v1.2)
	102	+* Support Interrupt uplink
87	87
88	88	== 1.4 Applications ==
89	89
...	...	@@ -96,39 +96,53 @@
96	96
97	97	== 1.5 Firmware Change log ==
98	98
99		-[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
	115	+[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
100	100
101	101	== 1.6 Hardware Change log ==
102	102
103	103	(((
	120	+v1.4
	121	+)))
	122	+
104	104	(((
105		-v1.2: Add External Interrupt Pin.
	124	+~1. Change Power IC to TPS22916
	125	+)))
106	106
107		-v1.0: Release
	127	+
	128	+(((
	129	+v1.3
108	108	)))
	131	+
	132	+(((
	133	+~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
109	109	)))
110	110
111		-= 2. Power ON Device =
112	112
113	113	(((
114		-The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
	138	+v1.2
	139	+)))
115	115
116		-* Power Source VIN to RS485-LN VIN+
117		-* Power Source GND to RS485-LN VIN-
118		-
119	119	(((
120		-Once there is power, the RS485-LN will be on.
	142	+Release version ​​​​​
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
	145	+= 2. Pin mapping and Power ON Device =
	146	+
	147	+(((
	148	+The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
124	124	)))
125	125
	151	+[[image:1652953055962-143.png||height="387" width="728"]]
	152	+
	153	+
	154	+The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
	155	+
126	126	= 3. Operation Mode =
127	127
128	128	== 3.1 How it works? ==
129	129
130	130	(((
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.
	161	+The RS485-BL is configured as LoRaWAN OTAA Class A 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-BL. It will auto join the network via OTAA.
132	132	)))
133	133
134	134	== 3.2 Example to join LoRaWAN network ==
...	...	@@ -135,27 +135,23 @@
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"]]
	168	+[[image:1652953414711-647.png||height="337" width="723"]]
139	139
140	140	(((
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:
	171	+The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
	172	+)))
142	142
143		-485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
144		-
145		-[[image:1653268227651-549.png||height="592" width="720"]]
146		-
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:
	175	+The LG308 is already set to connect to [[TTN V3 network >>url: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.
	179	+**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
153	153	)))
154	154
155	155	(((
156		-Each RS485-LN is shipped with a sticker with unique device EUI:
	183	+Each RS485-BL is shipped with a sticker with unique device EUI:
157	157	)))
158		-)))
159	159
160	160	[[image:1652953462722-299.png]]
161	161
...	...	@@ -465,7 +465,7 @@
465	465
466	466
467	467	1.
468		-11.
	494	+11.
469	469	111. Compose the uplink payload
470	470
471	471	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.**
...	...	@@ -529,8 +529,8 @@
529	529
530	530
531	531
532		-1.
533		-11.
	558	+1.
	559	+11.
534	534	111. Uplink on demand
535	535
536	536	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.
...	...	@@ -543,8 +543,8 @@
543	543
544	544
545	545
546		-1.
547		-11.
	572	+1.
	573	+11.
548	548	111. Uplink on Interrupt
549	549
550	550	Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
...	...	@@ -558,7 +558,7 @@
558	558	AT+INTMOD=3  Interrupt trigger by rising edge.
559	559
560	560
561		-1.
	587	+1.
562	562	11. Uplink Payload
563	563
564	564	|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
...	...	@@ -620,15 +620,15 @@
620	620
621	621	* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
622	622
623		-1.
624		-11.
	649	+1.
	650	+11.
625	625	111. Common Commands:
626	626
627	627	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]]
628	628
629	629
630		-1.
631		-11.
	656	+1.
	657	+11.
632	632	111. Sensor related commands:
633	633
634	634	==== Choose Device Type (RS485 or TTL) ====
...	...	@@ -934,13 +934,13 @@
934	934
935	935
936	936
937		-1.
	963	+1.
938	938	11. Buttons
939	939
940	940	|**Button**|**Feature**
941	941	|**RST**|Reboot RS485-BL
942	942
943		-1.
	969	+1.
944	944	11. +3V3 Output
945	945
946	946	RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
...	...	@@ -958,7 +958,7 @@
958	958	By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
959	959
960	960
961		-1.
	987	+1.
962	962	11. +5V Output
963	963
964	964	RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
...	...	@@ -978,13 +978,13 @@
978	978
979	979
980	980
981		-1.
	1007	+1.
982	982	11. LEDs
983	983
984	984	|**LEDs**|**Feature**
985	985	|**LED1**|Blink when device transmit a packet.
986	986
987		-1.
	1013	+1.
988	988	11. Switch Jumper
989	989
990	990	|**Switch Jumper**|**Feature**
...	...	@@ -1030,7 +1030,7 @@
1030	1030
1031	1031
1032	1032
1033		-1.
	1059	+1.
1034	1034	11. Common AT Command Sequence
1035	1035	111. Multi-channel ABP mode (Use with SX1301/LG308)
1036	1036
...	...	@@ -1049,8 +1049,8 @@
1049	1049
1050	1050	ATZ
1051	1051
1052		-1.
1053		-11.
	1078	+1.
	1079	+11.
1054	1054	111. Single-channel ABP mode (Use with LG01/LG02)
1055	1055
1056	1056	AT+FDR   Reset Parameters to Factory Default, Keys Reserve
...	...	@@ -1125,7 +1125,7 @@
1125	1125	[[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]]
1126	1126
1127	1127
1128		-1.
	1154	+1.
1129	1129	11. How to change the LoRa Frequency Bands/Region?
1130	1130
1131	1131	User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
...	...	@@ -1132,7 +1132,7 @@
1132	1132
1133	1133
1134	1134
1135		-1.
	1161	+1.
1136	1136	11. How many RS485-Slave can RS485-BL connects?
1137	1137
1138	1138	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]].
...	...	@@ -1149,7 +1149,7 @@
1149	1149
1150	1150
1151	1151
1152		-1.
	1178	+1.
1153	1153	11. Why I can’t join TTN V3 in US915 /AU915 bands?
1154	1154
1155	1155	It might about the channels mapping. Please see for detail.

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