Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 4.2 >
edited by Xiaoling
on 2022/05/23 17:00
To version < 13.3 >
edited by Xiaoling
on 2022/05/23 17:46
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... ... @@ -46,8 +46,6 @@
46 46  * SX1276/78 Wireless Chip
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
49 -
50 -*
51 51  ** 20dB Transmit: 34mA@12v
52 52  
53 53  **Interface for Model: LT22222-L:**
... ... @@ -90,7 +90,7 @@
90 90  * Firmware upgradable via program port
91 91  * Counting
92 92  
93 -== 1.4  Applications​​​​​​​ ==
91 +== 1.4  Applications ==
94 94  
95 95  * Smart Buildings & Home Automation
96 96  * Logistics and Supply Chain Management
... ... @@ -101,9 +101,9 @@
101 101  
102 102  == 1.5 Hardware Variants ==
103 103  
104 -(% border="1" style="background-color:#f7faff; width:566px" %)
105 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:329px" %)**Description**
106 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:329px" %)(((
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" %)(((
107 107  * 2 x Digital Input (Bi-direction)
108 108  * 2 x Digital Output
109 109  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -112,126 +112,82 @@
112 112  * 1 x Counting Port
113 113  )))
114 114  
113 += 2. Power ON Device =
115 115  
116 -
117 -1.
118 -11. Firmware Change log
119 -
120 -[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
121 -
122 -http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
123 -
124 -
125 -**Change log:**
126 -
127 -[[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]]
128 -
129 -
130 -
131 -1. Power ON Device
132 -
133 -
134 134  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.
135 135  
117 +(((
136 136  PWR will on when device is properly powered.
119 +)))
137 137  
138 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
121 +[[image:1653297104069-180.png]]
139 139  
123 += 3. Operation Mode =
140 140  
125 +== 3.1 How it works? ==
141 141  
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. 
142 142  
143 -
144 -1. Operation Mode
145 -11. How it works?
146 -
147 -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. 
148 -
149 -
150 150  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.
151 151  
131 +3.2 Example to join LoRaWAN network
152 152  
153 -1.
154 -11. Example to join LoRaWAN network
155 -
156 156  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.
157 157  
158 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
135 +[[image:image-20220523172350-1.png||height="266" width="864"]]
159 159  
160 160  
138 +(((
161 161  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 +)))
162 162  
142 +(((
163 163  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
144 +)))
164 164  
146 +(((
165 165  Each LT is shipped with a sticker with the default device EUI as below:
148 +)))
166 166  
167 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
150 +[[image:1653297924498-393.png]]
168 168  
169 -
170 -
171 -
172 172  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
173 173  
174 174  Add APP EUI in the application.
175 175  
176 -[[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"]]
177 177  
178 178  Add APP KEY and DEV EUI
179 179  
180 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
160 +[[image:1653298023685-319.png]]
181 181  
162 +(((
182 182  **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 +)))
183 183  
184 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166 +[[image:1653298044601-602.png||height="405" width="709"]]
185 185  
168 +== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
186 186  
187 -1.
188 -11. Uplink Payload
189 -
190 190  There are five working modes + one interrupt mode on LT for different type application:
191 191  
192 -* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
193 -* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
194 -* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
195 -* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
196 -* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
197 -* [[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
198 198  
179 +=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
199 199  
200 -1.
201 -11.
202 -111. AT+MOD=1, 2ACI+2AVI
203 -
204 204  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
205 205  
183 +[[image:image-20220523174024-3.png]]
206 206  
207 -|Size(bytes)|2|2|2|2|1|1|1
208 -|Value|(((
209 -AVI1
210 210  
211 -voltage
212 -)))|(((
213 -AVI2
214 -
215 -voltage
216 -)))|(((
217 -ACI1
218 -
219 -Current
220 -)))|(((
221 -ACI2
222 -
223 -Current
224 -)))|DIDORO*|(((
225 -Reserve
226 -
227 -
228 -)))|MOD
229 -
230 -
231 231  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
232 232  
233 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
234 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
188 +[[image:image-20220523174254-4.png]]
235 235  
236 236  * RO is for relay. ROx=1 : close，ROx=0 always open.
237 237  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -292,6 +292,7 @@
292 292  
293 293  Total : 11 bytes payload
294 294  
249 +(% border="1" style="background-color:#f7faff" %)
295 295  |Size(bytes)|4|4|1|1|1
296 296  |Value|COUNT1|COUNT2 |DIDORO*|(((
297 297  Reserve
... ... @@ -302,6 +302,7 @@
302 302  
303 303  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
304 304  
260 +(% border="1" style="background-color:#f7faff" %)
305 305  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
306 306  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
307 307  
... ... @@ -363,6 +363,7 @@
363 363  **LT22222-L**: This mode the DI1 is used as a counting pin.
364 364  
365 365  
322 +(% border="1" style="background-color:#f7faff" %)
366 366  |Size(bytes)|4|2|2|1|1|1
367 367  |Value|COUNT1|(((
368 368  ACI1
... ... @@ -377,6 +377,7 @@
377 377  
378 378  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
379 379  
337 +(% border="1" style="background-color:#f7faff" %)
380 380  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
381 381  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
382 382  
... ... @@ -411,6 +411,7 @@
411 411  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.
412 412  
413 413  
372 +(% border="1" style="background-color:#f7faff" %)
414 414  |Size(bytes)|4|4|1|1|1
415 415  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
416 416  Reserve
... ... @@ -421,6 +421,7 @@
421 421  
422 422  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
423 423  
383 +(% border="1" style="background-color:#f7faff" %)
424 424  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
425 425  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
426 426  
... ... @@ -463,6 +463,7 @@
463 463  **LT22222-L**: This mode the DI1 is used as a counting pin.
464 464  
465 465  
426 +(% border="1" style="background-color:#f7faff" %)
466 466  |Size(bytes)|2|2|2|2|1|1|1
467 467  |Value|(((
468 468  AVI1
... ... @@ -486,6 +486,7 @@
486 486  
487 487  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
488 488  
450 +(% border="1" style="background-color:#f7faff" %)
489 489  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
490 490  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
491 491  
... ... @@ -598,6 +598,7 @@
598 598  
599 599  MOD6 Payload : total 11 bytes payload
600 600  
563 +(% border="1" style="background-color:#f7faff" %)
601 601  |Size(bytes)|1|1|1|6|1|1
602 602  |Value|(((
603 603  TRI_A
... ... @@ -621,6 +621,7 @@
621 621  
622 622  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
623 623  
587 +(% border="1" style="background-color:#f7faff" %)
624 624  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
625 625  |(((
626 626  AV1_
... ... @@ -665,6 +665,7 @@
665 665  
666 666  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
667 667  
632 +(% border="1" style="background-color:#f7faff" %)
668 668  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
669 669  |(((
670 670  AV1_
... ... @@ -711,6 +711,7 @@
711 711  
712 712  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
713 713  
679 +(% border="1" style="background-color:#f7faff" %)
714 714  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
715 715  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
716 716  
... ... @@ -970,6 +970,7 @@
970 970  
971 971  01: Low,  00: High ,  11: No action
972 972  
939 +(% border="1" style="background-color:#f7faff" %)
973 973  |Downlink Code|DO1|DO2|DO3
974 974  |02  01  00  11|Low|High|No Action
975 975  |02  00  11  01|High|No Action|Low
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1007 1007  
1008 1008  **Third Byte**: Control Method and Ports status:
1009 1009  
977 +(% border="1" style="background-color:#f7faff" %)
1010 1010  |Second Byte|Status
1011 1011  |0x01|DO1 set to low
1012 1012  |0x00|DO1 set to high
... ... @@ -1015,6 +1015,7 @@
1015 1015  
1016 1016  **Fourth Byte**: Control Method and Ports status:
1017 1017  
986 +(% border="1" style="background-color:#f7faff" %)
1018 1018  |Second Byte|Status
1019 1019  |0x01|DO2 set to low
1020 1020  |0x00|DO2 set to high
... ... @@ -1023,6 +1023,7 @@
1023 1023  
1024 1024  **Fifth Byte**: Control Method and Ports status:
1025 1025  
995 +(% border="1" style="background-color:#f7faff" %)
1026 1026  |Second Byte|Status
1027 1027  |0x01|DO3 set to low
1028 1028  |0x00|DO3 set to high
... ... @@ -1075,6 +1075,7 @@
1075 1075  
1076 1076  01: Close ,  00: Open , 11: No action
1077 1077  
1048 +(% border="1" style="background-color:#f7faff" %)
1078 1078  |Downlink Code|RO1|RO2
1079 1079  |03  00  11|Open|No Action
1080 1080  |03  01  11|Close|No Action
... ... @@ -1112,6 +1112,7 @@
1112 1112  
1113 1113  **Third Byte(bb)**: Control Method and Ports status:
1114 1114  
1086 +(% border="1" style="background-color:#f7faff" %)
1115 1115  |Value|Status
1116 1116  |0x11|RO1 and RO2 to NO
1117 1117  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1400,6 +1400,7 @@
1400 1400  11. LEDs Indicators
1401 1401  
1402 1402  
1375 +(% border="1" style="background-color:#f7faff" %)
1403 1403  |**LEDs**|**Feature**
1404 1404  |**PWR**|Always on if there is power
1405 1405  |**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
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