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... ... @@ -10,27 +10,36 @@
10 10  
11 11  == 1.1 What is LT Series I/O Controller ==
12 12  
13 +(((
13 13  The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
15 +)))
14 14  
17 +(((
15 15  The LT I/O Controllers allows the user to send data 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.
19 +)))
16 16  
21 +(((
17 17  The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
23 +)))
18 18  
25 +(((
19 19  The use environment includes:
27 +)))
20 20  
29 +(((
21 21  1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
31 +)))
22 22  
33 +(((
23 23  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
35 +)))
24 24  
37 +(((
38 +[[image:1653295757274-912.png]]
39 +)))
25 25  
26 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
41 +== 1.2  Specifications ==
27 27  
28 -
29 -
30 -
31 -1.
32 -11. Specifications
33 -
34 34  **Hardware System:**
35 35  
36 36  * STM32L072CZT6 MCU
... ... @@ -37,21 +37,8 @@
37 37  * SX1276/78 Wireless Chip
38 38  * Power Consumption:
39 39  ** Idle: 4mA@12v
40 -
41 -*
42 42  ** 20dB Transmit: 34mA@12v
43 43  
44 -
45 -**Interface for Model: LT33222-L:**
46 -
47 -* 3 x Digital Input ( Detect Low signal , Max, 6V)
48 -* 3 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
49 -* 2 x Relay Output (5A@250VAC / 30VDC)
50 -* 2 x 0~~20mA Analog Input (res:0.01mA)
51 -* 2 x 0~~30V Analog Input (res:0.01v)
52 -* Power Input 7~~ 24V DC.
53 -*
54 -
55 55  **Interface for Model: LT22222-L:**
56 56  
57 57  * 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
... ... @@ -61,7 +61,6 @@
61 61  * 2 x 0~~30V Analog Input (res:0.01v)
62 62  * Power Input 7~~ 24V DC.
63 63  
64 -
65 65  **LoRa Spec:**
66 66  
67 67  * Frequency Range:
... ... @@ -83,9 +83,8 @@
83 83  * Automatic RF Sense and CAD with ultra-fast AFC.
84 84  * Packet engine up to 256 bytes with CRC.
85 85  
81 +== 1.3 Features ==
86 86  
87 -*
88 -*1. Features
89 89  * LoRaWAN Class A & Class C protocol
90 90  * Optional Customized LoRa Protocol
91 91  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -94,10 +94,8 @@
94 94  * Firmware upgradable via program port
95 95  * Counting
96 96  
91 +== 1.4  Applications ==
97 97  
98 -
99 -*
100 -*1. Applications
101 101  * Smart Buildings & Home Automation
102 102  * Logistics and Supply Chain Management
103 103  * Smart Metering
... ... @@ -105,26 +105,11 @@
105 105  * Smart Cities
106 106  * Smart Factory
107 107  
100 +== 1.5 Hardware Variants ==
108 108  
109 -
110 -
111 -1.
112 -11. Hardware Variants
113 -
114 -
115 -|**Model**|**Photo**|**Description**
116 -|**LT33222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]|(((
117 -* 3 x Digital Input
118 -* 3 x Digital Output
119 -* 2 x Relay Output (5A@250VAC / 30VDC)
120 -* 2 x 0~~20mA Analog Input (res:0.01mA)
121 -* 2 x 0~~30V Analog Input (res:0.01v)
122 -* 1 x Counting Port
123 -)))
124 -
125 -
126 -|**Model**|**Photo**|**Description**
127 -|**LT22222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.jpg]]|(((
102 +(% border="1" style="background-color:#f7faff; width:540px" %)
103 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
128 128  * 2 x Digital Input (Bi-direction)
129 129  * 2 x Digital Output
130 130  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -133,126 +133,82 @@
133 133  * 1 x Counting Port
134 134  )))
135 135  
113 += 2. Power ON Device =
136 136  
137 -
138 -1.
139 -11. Firmware Change log
140 -
141 -[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
142 -
143 -http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
144 -
145 -
146 -**Change log:**
147 -
148 -[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
149 -
150 -
151 -
152 -1. Power ON Device
153 -
154 -
155 155  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.
156 156  
117 +(((
157 157  PWR will on when device is properly powered.
119 +)))
158 158  
159 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
121 +[[image:1653297104069-180.png]]
160 160  
123 += 3. Operation Mode =
161 161  
125 +== 3.1 How it works? ==
162 162  
127 +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. 
163 163  
164 -
165 -1. Operation Mode
166 -11. How it works?
167 -
168 -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. 
169 -
170 -
171 171  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:#AT_Command]] to set the keys in the devices.
172 172  
131 +3.2 Example to join LoRaWAN network
173 173  
174 -1.
175 -11. Example to join LoRaWAN network
176 -
177 177  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.
178 178  
179 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
135 +[[image:image-20220523172350-1.png||height="266" width="864"]]
180 180  
181 181  
138 +(((
182 182  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:
140 +)))
183 183  
142 +(((
184 184  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
144 +)))
185 185  
146 +(((
186 186  Each LT is shipped with a sticker with the default device EUI as below:
148 +)))
187 187  
188 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
150 +[[image:1653297924498-393.png]]
189 189  
190 -
191 -
192 -
193 193  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
194 194  
195 195  Add APP EUI in the application.
196 196  
197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
198 198  
199 199  Add APP KEY and DEV EUI
200 200  
201 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
160 +[[image:1653298023685-319.png]]
202 202  
162 +(((
203 203  **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.
164 +)))
204 204  
205 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166 +[[image:1653298044601-602.png||height="405" width="709"]]
206 206  
168 +== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
207 207  
208 -1.
209 -11. Uplink Payload
210 -
211 211  There are five working modes + one interrupt mode on LT for different type application:
212 212  
213 -* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
214 -* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
215 -* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
216 -* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
217 -* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
218 -* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
172 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
173 +* **MOD2**: Double DI Counting + DO + RO
174 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
175 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
176 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
177 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
219 219  
179 +=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
220 220  
221 -1.
222 -11.
223 -111. AT+MOD=1, 2ACI+2AVI
224 -
225 225  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
226 226  
183 +[[image:image-20220523174024-3.png]]
227 227  
228 -|Size(bytes)|2|2|2|2|1|1|1
229 -|Value|(((
230 -AVI1
231 231  
232 -voltage
233 -)))|(((
234 -AVI2
235 -
236 -voltage
237 -)))|(((
238 -ACI1
239 -
240 -Current
241 -)))|(((
242 -ACI2
243 -
244 -Current
245 -)))|DIDORO*|(((
246 -Reserve
247 -
248 -
249 -)))|MOD
250 -
251 -
252 252  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
253 253  
254 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
255 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
188 +[[image:image-20220523174254-4.png]]
256 256  
257 257  * RO is for relay. ROx=1 : close，ROx=0 always open.
258 258  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -313,6 +313,7 @@
313 313  
314 314  Total : 11 bytes payload
315 315  
249 +(% border="1" style="background-color:#f7faff" %)
316 316  |Size(bytes)|4|4|1|1|1
317 317  |Value|COUNT1|COUNT2 |DIDORO*|(((
318 318  Reserve
... ... @@ -323,6 +323,7 @@
323 323  
324 324  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
325 325  
260 +(% border="1" style="background-color:#f7faff" %)
326 326  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
327 327  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
328 328  
... ... @@ -384,6 +384,7 @@
384 384  **LT22222-L**: This mode the DI1 is used as a counting pin.
385 385  
386 386  
322 +(% border="1" style="background-color:#f7faff" %)
387 387  |Size(bytes)|4|2|2|1|1|1
388 388  |Value|COUNT1|(((
389 389  ACI1
... ... @@ -398,6 +398,7 @@
398 398  
399 399  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
400 400  
337 +(% border="1" style="background-color:#f7faff" %)
401 401  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
402 402  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
403 403  
... ... @@ -432,6 +432,7 @@
432 432  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
433 433  
434 434  
372 +(% border="1" style="background-color:#f7faff" %)
435 435  |Size(bytes)|4|4|1|1|1
436 436  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
437 437  Reserve
... ... @@ -442,6 +442,7 @@
442 442  
443 443  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
444 444  
383 +(% border="1" style="background-color:#f7faff" %)
445 445  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
446 446  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
447 447  
... ... @@ -484,6 +484,7 @@
484 484  **LT22222-L**: This mode the DI1 is used as a counting pin.
485 485  
486 486  
426 +(% border="1" style="background-color:#f7faff" %)
487 487  |Size(bytes)|2|2|2|2|1|1|1
488 488  |Value|(((
489 489  AVI1
... ... @@ -507,6 +507,7 @@
507 507  
508 508  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
509 509  
450 +(% border="1" style="background-color:#f7faff" %)
510 510  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
511 511  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
512 512  
... ... @@ -619,6 +619,7 @@
619 619  
620 620  MOD6 Payload : total 11 bytes payload
621 621  
563 +(% border="1" style="background-color:#f7faff" %)
622 622  |Size(bytes)|1|1|1|6|1|1
623 623  |Value|(((
624 624  TRI_A
... ... @@ -642,6 +642,7 @@
642 642  
643 643  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
644 644  
587 +(% border="1" style="background-color:#f7faff" %)
645 645  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
646 646  |(((
647 647  AV1_
... ... @@ -686,6 +686,7 @@
686 686  
687 687  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
688 688  
632 +(% border="1" style="background-color:#f7faff" %)
689 689  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
690 690  |(((
691 691  AV1_
... ... @@ -732,6 +732,7 @@
732 732  
733 733  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
734 734  
679 +(% border="1" style="background-color:#f7faff" %)
735 735  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
736 736  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
737 737  
... ... @@ -991,6 +991,7 @@
991 991  
992 992  01: Low,  00: High ,  11: No action
993 993  
939 +(% border="1" style="background-color:#f7faff" %)
994 994  |Downlink Code|DO1|DO2|DO3
995 995  |02  01  00  11|Low|High|No Action
996 996  |02  00  11  01|High|No Action|Low
... ... @@ -1028,6 +1028,7 @@
1028 1028  
1029 1029  **Third Byte**: Control Method and Ports status:
1030 1030  
977 +(% border="1" style="background-color:#f7faff" %)
1031 1031  |Second Byte|Status
1032 1032  |0x01|DO1 set to low
1033 1033  |0x00|DO1 set to high
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