Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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19	19	== 1.1 What is LT Series I/O Controller ==
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21	21	(((
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23		-
24	24	The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
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51	51	)))
52	52
53		-
54	54	== 1.2  Specifications ==
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79	79	)))
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81	81	(((
82		-
83		-
84	84	**Interface for Model: LT22222-L:**
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105	105
106	106	(((
107		-
108		-
109	109	**LoRa Spec:**
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166	166	* (((
167	167	Packet engine up to 256 bytes with CRC.
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169		-
170		-
171	171
172	172	)))
173	173
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181	181	* Firmware upgradable via program port
182	182	* Counting
183	183
184		-
185		-
186		-
187	187	== 1.4  Applications ==
188	188
189	189	* Smart Buildings & Home Automation
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193	193	* Smart Cities
194	194	* Smart Factory
195	195
196		-
197		-
198		-
199	199	== 1.5 Hardware Variants ==
200	200
201	201	(% border="1" style="background-color:#f7faff; width:500px" %)
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209	209	* 1 x Counting Port
210	210	)))
211	211
212		-
213		-
214	214	= 2. Power ON Device =
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216	216	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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233	233
234	234	(((
235	235	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.
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236	236	)))
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	224	+
239	239	== 3.2 Example to join LoRaWAN network ==
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245	245	[[image:image-20220523172350-1.png||height="266" width="864"]]
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247		-
248	248	(((
249	249	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:
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253		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
	238	+**(% style="color:blue" %)Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
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260	260	[[image:1653297924498-393.png]]
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262		-
263	263	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
264	264
265	265	Add APP EUI in the application.
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275	275	(((
276		-(% 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	+**(% 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.
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278	278
279	279	[[image:1653298044601-602.png||height="405" width="709"]]
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291	291	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
292	292	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
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	279	+
294	294	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
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296	296	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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329	329	* [1] RO1 relay channel is close and the RO1 LED is ON.
330	330	* [0] RO2 relay channel is open and RO2 LED is OFF;
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	318	+
	319	+
332	332	**LT22222-L:**
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334	334	* [1] DI2 channel is high input and DI2 LED is ON;
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344	344	** DO1 is high in case there is load between DO1 and V+.
345	345	** DO1 LED is off in both case
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	336	+
347	347	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
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484	484
485	485	(((
486	486	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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487	487	)))
488	488
489	489
490		-
491	491	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
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635	635	* **AT+MOD=1 ** **~-~->** The normal working mode
636	636	* **AT+ADDMOD6=1**   **~-~->** Enable trigger
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638	638	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
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640	640	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
641	641	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.**
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	636	+
643	643	**AT Command to set Trigger Condition**:
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645	645	(% style="color:#4f81bd" %)**Trigger base on voltage**:
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720	720	* Each bits shows if the corresponding trigger has been configured.
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722	722	**Example:**
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724	724	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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731	731	* Each bits shows which status has been trigger on this uplink.
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	729	+
	730	+
733	733	**Example:**
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735	735	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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742	742	* Each bits shows which status has been trigger on this uplink.
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744	744	**Example:**
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746	746	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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	772	+
772	772	== 3.4 ​Configure LT via AT or Downlink ==
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774	774	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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781	781
782	782	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
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	785	+
	786	+
784	784	=== 3.4.1 Common Commands ===
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786	786	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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2012	2012	)))
2013	2013
2014	2014	(((
2015		-== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2018	+
2016	2016
2017		-If the device is not shut down, but directly powered off.
2018		-
2019		-It will default that this is a power-off state.
2020		-
2021		-In modes 2 to 5, DO RO status and pulse count are saved in flash.
2022		-
2023		-After restart, the status before power failure will be read from flash.
2024		-
2025	2025	= 6. Trouble Shooting =
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