Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 2 removed)
  • 1653268091319-405.png
  • 1653268155545-638.png

Details

Page properties

Content

...	...	@@ -41,17 +41,21 @@
41	41	**Hardware System:**
42	42
43	43	* STM32L072CZT6 MCU
44		-* SX1276/78 Wireless Chip
	44	+* SX1276/78 Wireless Chip
45	45	* Power Consumption (exclude RS485 device):
46		-** Idle: 32mA@12v
	46	+** Idle: 6uA@3.3v
47	47
48	48	*
49		-** 20dB Transmit: 65mA@12v
	49	+** 20dB Transmit: 130mA@3.3v
50	50
51	51	**Interface for Model:**
52	52
53		-* RS485
54		-* Power Input 7~~ 24V DC.
	53	+* 1 x RS485 Interface
	54	+* 1 x TTL Serial , 3.3v or 5v.
	55	+* 1 x I2C Interface, 3.3v or 5v.
	56	+* 1 x one wire interface
	57	+* 1 x Interrupt Interface
	58	+* 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.
	72	+* 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.
	76	+* 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)
	80	+* 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
	83	+* 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)
	87	+* Support Interrupt uplink
87	87
88	88	== 1.4 Applications ==
89	89
...	...	@@ -96,33 +96,47 @@
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/]]
	100	+[[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	(((
	105	+v1.4
	106	+)))
	107	+
104	104	(((
105		-v1.2: Add External Interrupt Pin.
	109	+~1. Change Power IC to TPS22916
	110	+)))
106	106
107		-v1.0: Release
	112	+
	113	+(((
	114	+v1.3
108	108	)))
	116	+
	117	+(((
	118	+~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
	123	+v1.2
	124	+)))
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.
	127	+Release version ​​​​​
121	121	)))
122	122
123		-[[image:1653268091319-405.png]]
	130	+= 2. Pin mapping and Power ON Device =
	131	+
	132	+(((
	133	+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
	136	+[[image:1652953055962-143.png||height="387" width="728"]]
	137	+
	138	+
	139	+The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
	140	+
126	126	= 3. Operation Mode =
127	127
128	128	== 3.1 How it works? ==

1653268091319-405.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-399.3 KB

Content

1653268155545-638.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-113.7 KB

Content