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1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

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48	48
49	49	)))
50	50
51		-
52	52	== 1.2  Specifications ==
53	53
54	54	(((
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77	77	)))
78	78
79	79	(((
80		-
81		-
82	82	**Interface for Model: LT22222-L:**
83	83	)))
84	84
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102	102	)))
103	103
104	104	(((
105		-
106		-
107	107	**LoRa Spec:**
108	108	)))
109	109
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163	163	)))
164	164	* (((
165	165	Packet engine up to 256 bytes with CRC.
	161	+
	162	+
166	166	)))
167	167
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
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176	176	* Firmware upgradable via program port
177	177	* Counting
178	178
179		-
180	180	== 1.4  Applications ==
181	181
182	182	* Smart Buildings & Home Automation
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186	186	* Smart Cities
187	187	* Smart Factory
188	188
189		-
190	190	== 1.5 Hardware Variants ==
191	191
192	192	(% border="1" style="background-color:#f7faff; width:500px" %)
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200	200	* 1 x Counting Port
201	201	)))
202	202
203		-
204	204	= 2. Power ON Device =
205	205
206	206	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
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223	223
224	224	(((
225	225	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>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	219	+
	220	+
226	226	)))
227	227
228	228
	224	+
229	229	== 3.2 Example to join LoRaWAN network ==
230	230
231	231	(((
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234	234
235	235	[[image:image-20220523172350-1.png||height="266" width="864"]]
236	236
237		-
238	238	(((
239	239	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
240	240	)))
241	241
242	242	(((
243		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
	238	+**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
244	244	)))
245	245
246	246	(((
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249	249
250	250	[[image:1653297924498-393.png]]
251	251
252		-
253	253	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
254	254
255	255	Add APP EUI in the application.
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263	263
264	264
265	265	(((
266		-(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	260	+**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
267	267	)))
268	268
269	269	[[image:1653298044601-602.png||height="405" width="709"]]
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281	281	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282	282	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283	283
	278	+
284	284	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285	285
286	286	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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319	319	* [1] RO1 relay channel is close and the RO1 LED is ON.
320	320	* [0] RO2 relay channel is open and RO2 LED is OFF;
321	321
	317	+
	318	+
322	322	**LT22222-L:**
323	323
324	324	* [1] DI2 channel is high input and DI2 LED is ON;
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334	334	** DO1 is high in case there is load between DO1 and V+.
335	335	** DO1 LED is off in both case
336	336
	334	+
	335	+
337	337	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338	338
339	339
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474	474
475	475	(((
476	476	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	476	+
	477	+
477	477	)))
478	478
479	479
480		-
481	481	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
482	482
483	483
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625	625	* **AT+MOD=1 ** **~-~->** The normal working mode
626	626	* **AT+ADDMOD6=1**   **~-~->** Enable trigger
627	627
	628	+
628	628	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
629	629
630	630	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
631	631	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
632	632
	634	+
	635	+
633	633	**AT Command to set Trigger Condition**:
634	634
635	635	(% style="color:#4f81bd" %)**Trigger base on voltage**:
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709	709
710	710	* Each bits shows if the corresponding trigger has been configured.
711	711
	715	+
	716	+
712	712	**Example:**
713	713
714	714	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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720	720
721	721	* Each bits shows which status has been trigger on this uplink.
722	722
	728	+
	729	+
723	723	**Example:**
724	724
725	725	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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731	731
732	732	* Each bits shows which status has been trigger on this uplink.
733	733
	741	+
	742	+
734	734	**Example:**
735	735
736	736	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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759	759	)))
760	760
761	761
	771	+
762	762	== 3.4 ​Configure LT via AT or Downlink ==
763	763
764	764	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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771	771
772	772	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
773	773
	784	+
	785	+
774	774	=== 3.4.1 Common Commands ===
775	775
776	776	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, 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]]
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2002	2002	)))
2003	2003
2004	2004	(((
2005		-== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2017	+
2006	2006
2007		-If the device is not shut down, but directly powered off.
2008		-
2009		-It will default that this is a power-off state.
2010		-
2011		-In modes 2 to 5, DO RO status and pulse count are saved in flash.
2012		-
2013		-After restart, the status before power failure will be read from flash.
2014		-
2015	2015	= 6. Trouble Shooting =
2016	2016	)))
2017	2017