Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -45,44 +45,114 @@
45	45
46	46	== 1.2  Specifications ==
47	47
	48	+(((
48	48	**Hardware System:**
	50	+)))
49	49
50		-* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
52		-* Power Consumption:
53		-** Idle: 4mA@12v
54		-** 20dB Transmit: 34mA@12v
	52	+* (((
	53	+STM32L072CZT6 MCU
	54	+)))
	55	+* (((
	56	+SX1276/78 Wireless Chip
	57	+)))
	58	+* (((
	59	+(((
	60	+Power Consumption:
	61	+)))
55	55
	63	+* (((
	64	+Idle: 4mA@12v
	65	+)))
	66	+* (((
	67	+20dB Transmit: 34mA@12v
	68	+)))
	69	+)))
	70	+
	71	+(((
56	56	**Interface for Model: LT22222-L:**
	73	+)))
57	57
58		-* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60		-* 2 x Relay Output (5A@250VAC / 30VDC)
61		-* 2 x 0~~20mA Analog Input (res:0.01mA)
62		-* 2 x 0~~30V Analog Input (res:0.01v)
63		-* Power Input 7~~ 24V DC.
	75	+* (((
	76	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	77	+)))
	78	+* (((
	79	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	80	+)))
	81	+* (((
	82	+2 x Relay Output (5A@250VAC / 30VDC)
	83	+)))
	84	+* (((
	85	+2 x 0~~20mA Analog Input (res:0.01mA)
	86	+)))
	87	+* (((
	88	+2 x 0~~30V Analog Input (res:0.01v)
	89	+)))
	90	+* (((
	91	+Power Input 7~~ 24V DC.
	92	+)))
64	64
	94	+(((
65	65	**LoRa Spec:**
	96	+)))
66	66
67		-* Frequency Range:
68		-** Band 1 (HF): 862 ~~ 1020 Mhz
69		-** Band 2 (LF): 410 ~~ 528 Mhz
70		-* 168 dB maximum link budget.
71		-* +20 dBm - 100 mW constant RF output vs.
72		-* +14 dBm high efficiency PA.
73		-* Programmable bit rate up to 300 kbps.
74		-* High sensitivity: down to -148 dBm.
75		-* Bullet-proof front end: IIP3 = -12.5 dBm.
76		-* Excellent blocking immunity.
77		-* Low RX current of 10.3 mA, 200 nA register retention.
78		-* Fully integrated synthesizer with a resolution of 61 Hz.
79		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80		-* Built-in bit synchronizer for clock recovery.
81		-* Preamble detection.
82		-* 127 dB Dynamic Range RSSI.
83		-* Automatic RF Sense and CAD with ultra-fast AFC.
84		-* Packet engine up to 256 bytes with CRC.
	98	+* (((
	99	+(((
	100	+Frequency Range:
	101	+)))
85	85
	103	+* (((
	104	+Band 1 (HF): 862 ~~ 1020 Mhz
	105	+)))
	106	+* (((
	107	+Band 2 (LF): 410 ~~ 528 Mhz
	108	+)))
	109	+)))
	110	+* (((
	111	+168 dB maximum link budget.
	112	+)))
	113	+* (((
	114	++20 dBm - 100 mW constant RF output vs.
	115	+)))
	116	+* (((
	117	++14 dBm high efficiency PA.
	118	+)))
	119	+* (((
	120	+Programmable bit rate up to 300 kbps.
	121	+)))
	122	+* (((
	123	+High sensitivity: down to -148 dBm.
	124	+)))
	125	+* (((
	126	+Bullet-proof front end: IIP3 = -12.5 dBm.
	127	+)))
	128	+* (((
	129	+Excellent blocking immunity.
	130	+)))
	131	+* (((
	132	+Low RX current of 10.3 mA, 200 nA register retention.
	133	+)))
	134	+* (((
	135	+Fully integrated synthesizer with a resolution of 61 Hz.
	136	+)))
	137	+* (((
	138	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	139	+)))
	140	+* (((
	141	+Built-in bit synchronizer for clock recovery.
	142	+)))
	143	+* (((
	144	+Preamble detection.
	145	+)))
	146	+* (((
	147	+127 dB Dynamic Range RSSI.
	148	+)))
	149	+* (((
	150	+Automatic RF Sense and CAD with ultra-fast AFC.
	151	+)))
	152	+* (((
	153	+Packet engine up to 256 bytes with CRC.
	154	+)))
	155	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol
...	...	@@ -129,13 +129,21 @@
129	129
130	130	== 3.1 How it works? ==
131	131
	202	+(((
132	132	The LT 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 LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	204	+)))
133	133
	206	+(((
134	134	In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
	208	+)))
135	135
	210	+(((
136	136	3.2 Example to join LoRaWAN network
	212	+)))
137	137
	214	+(((
138	138	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	216	+)))
139	139
140	140	[[image:image-20220523172350-1.png||height="266" width="864"]]
141	141
...	...	@@ -1113,9 +1113,9 @@
1113	1113
1114	1114	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1115	1115
1116		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
	1194	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1117	1117
1118		-If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1196	+If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1119	1119
1120	1120
1121	1121	**Example3**: Connect to a 220v high active sensor.
...	...	@@ -1127,7 +1127,7 @@
1127	1127
1128	1128	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1129	1129
1130		- [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
	1208	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1131	1131
1132	1132	If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1133	1133
...	...	@@ -1551,10 +1551,6 @@
1551	1551	)))
1552	1552
1553	1553	(((
1554		-
1555		-)))
1556		-
1557		-(((
1558	1558	(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1559	1559	)))
1560	1560
...	...	@@ -1588,7 +1588,7 @@
1588	1588	)))
1589	1589
1590	1590	(((
1591		-= 6. Trouble Shooting   =
	1665	+= 6. Trouble Shooting =
1592	1592	)))
1593	1593
1594	1594	(((
...	...	@@ -1637,43 +1637,43 @@
1637	1637
1638	1638	(((
1639	1639	(((
1640		-**LT-22222-L-XXX:**
	1714	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1641	1641	)))
1642	1642	)))
1643	1643
1644	1644	(((
1645	1645	(((
1646		-**XXX:**
	1720	+(% style="color:#4f81bd" %)**XXX:**
1647	1647	)))
1648	1648	)))
1649	1649
1650	1650	* (((
1651		-**EU433**: LT with frequency bands EU433
	1725	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1652	1652	)))
1653	1653	* (((
1654		-**EU868**: LT with frequency bands EU868
	1728	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1655	1655	)))
1656	1656	* (((
1657		-**KR920**: LT with frequency bands KR920
	1731	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1658	1658	)))
1659	1659	* (((
1660		-**CN470**: LT with frequency bands CN470
	1734	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1661	1661	)))
1662	1662	* (((
1663		-**AS923**: LT with frequency bands AS923
	1737	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1664	1664	)))
1665	1665	* (((
1666		-**AU915**: LT with frequency bands AU915
	1740	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1667	1667	)))
1668	1668	* (((
1669		-**US915**: LT with frequency bands US915
	1743	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1670	1670	)))
1671	1671	* (((
1672		-**IN865**: LT with frequency bands IN865
	1746	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1673	1673	)))
1674	1674
1675	1675	(((
1676		-* **CN779**: LT with frequency bands CN779
	1750	+* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1677	1677
1678	1678	= 8. Packing Info =
1679	1679	)))
...	...	@@ -1684,26 +1684,14 @@
1684	1684	)))
1685	1685	)))
1686	1686
1687		-* (((
1688	1688	(((
1689		-LT I/O Controller x 1
1690		-)))
1691		-)))
1692		-* (((
1693	1693	(((
1694		-Stick Antenna for LoRa RF part x 1
	1763	+* LT-22222-L I/O Controller x 1
	1764	+* Stick Antenna for LoRa RF part x 1
	1765	+* Bracket for controller x1
	1766	+* Program cable x 1
1695	1695	)))
1696	1696	)))
1697		-* (((
1698		-(((
1699		-Bracket for controller x1
1700		-)))
1701		-)))
1702		-* (((
1703		-(((
1704		-Program cable x 1
1705		-)))
1706		-)))
1707	1707
1708	1708	(((
1709	1709	(((