Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.13 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 68.13 >
edited by Xiaoling
on 2022/05/25 15:14
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -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.
19 +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.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -44,15 +44,11 @@
44 44  
45 45  (((
46 46  [[image:1653295757274-912.png]]
47 -
48 -
49 49  )))
50 50  
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
54 -
55 -
56 56  **Hardware System:**
57 57  )))
58 58  
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -160,12 +160,8 @@
160 160  )))
161 161  * (((
162 162  Packet engine up to 256 bytes with CRC.
163 -
164 -
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  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.
... ... @@ -214,8 +214,6 @@
214 214  
215 215  [[image:1653297104069-180.png]]
216 216  
217 -
218 -
219 219  = 3. Operation Mode =
220 220  
221 221  == 3.1 How it works? ==
... ... @@ -226,12 +226,8 @@
226 226  
227 227  (((
228 228  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.
229 -
230 -
231 231  )))
232 232  
233 -
234 -
235 235  == 3.2 Example to join LoRaWAN network ==
236 236  
237 237  (((
... ... @@ -260,12 +260,10 @@
260 260  
261 261  [[image:1653297955910-247.png||height="321" width="716"]]
262 262  
263 -
264 264  Add APP KEY and DEV EUI
265 265  
266 266  [[image:1653298023685-319.png]]
267 267  
268 -
269 269  (((
270 270  **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.
271 271  )))
... ... @@ -272,8 +272,6 @@
272 272  
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
275 -
276 -
277 277  == 3.3 Uplink Payload ==
278 278  
279 279  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -432,8 +432,6 @@
432 432  )))
433 433  )))
434 434  
435 -
436 -
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -474,8 +474,6 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
477 -
478 -
479 479  )))
480 480  
481 481  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -558,7 +558,6 @@
558 558  )))
559 559  )))
560 560  
561 -
562 562  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
563 563  
564 564  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -599,8 +599,6 @@
599 599  
600 600  (((
601 601  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
602 -
603 -
604 604  )))
605 605  
606 606  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -629,7 +629,6 @@
629 629  
630 630  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
631 631  
632 -
633 633  (% style="color:#4f81bd" %)**Trigger base on current**:
634 634  
635 635  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -638,7 +638,6 @@
638 638  
639 639  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
640 640  
641 -
642 642  (% style="color:#4f81bd" %)**Trigger base on DI status**:
643 643  
644 644  DI status trigger Flag.
... ... @@ -725,13 +725,10 @@
725 725  
726 726  When device got this command, it will send the MOD6 payload.
727 727  
728 -
729 729  === 3.3.7 Payload Decoder ===
730 730  
731 731  (((
732 732  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
733 -
734 -
735 735  )))
736 736  
737 737  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -742,7 +742,7 @@
742 742  There are two kinds of Commands:
743 743  )))
744 744  
745 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
699 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
746 746  
747 747  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
748 748  
... ... @@ -750,7 +750,6 @@
750 750  
751 751  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]]
752 752  
753 -
754 754  === 3.4.2 Sensor related commands ===
755 755  
756 756  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -773,7 +773,6 @@
773 773  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
774 774  )))
775 775  
776 -
777 777  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
778 778  
779 779  Set work mode.
... ... @@ -794,7 +794,6 @@
794 794  **0x0A aa     ~/~/ Same as AT+MOD=aa**
795 795  )))
796 796  
797 -
798 798  ==== 3.4.2.3 Poll an uplink ====
799 799  
800 800  * AT Command:
... ... @@ -810,10 +810,9 @@
810 810  
811 811  **Example**: 0x08FF, ask device to send an Uplink
812 812  
813 -
814 814  ==== 3.4.2.4 Enable Trigger Mode ====
815 815  
816 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
766 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
817 817  
818 818  * AT Command:
819 819  
... ... @@ -833,7 +833,6 @@
833 833  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
834 834  )))
835 835  
836 -
837 837  ==== 3.4.2.5 Poll trigger settings ====
838 838  
839 839  Poll trigger settings,
... ... @@ -849,7 +849,6 @@
849 849  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
850 850  )))
851 851  
852 -
853 853  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
854 854  
855 855  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -872,7 +872,6 @@
872 872  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
873 873  )))
874 874  
875 -
876 876  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
877 877  
878 878  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -899,7 +899,6 @@
899 899  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
900 900  )))
901 901  
902 -
903 903  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
904 904  
905 905  Set DI2 trigger.
... ... @@ -926,10 +926,9 @@
926 926  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
927 927  )))
928 928  
929 -
930 930  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
931 931  
932 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
877 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
933 933  
934 934  * AT Command:
935 935  
... ... @@ -942,19 +942,18 @@
942 942  
943 943  (% class="box infomessage" %)
944 944  (((
945 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
890 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
946 946  )))
947 947  
948 -
949 949  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
950 950  
951 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
895 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
952 952  
953 953  * AT Command:
954 954  
955 955  (% class="box infomessage" %)
956 956  (((
957 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
901 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
958 958  )))
959 959  
960 960  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -961,10 +961,9 @@
961 961  
962 962  (% class="box infomessage" %)
963 963  (((
964 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
908 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
965 965  )))
966 966  
967 -
968 968  ==== 3.4.2.11 Trigger – Set minimum interval ====
969 969  
970 970  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -983,7 +983,6 @@
983 983  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
984 984  )))
985 985  
986 -
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 989  * AT Command:
... ... @@ -1158,13 +1158,13 @@
1158 1158  
1159 1159  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1160 1160  
1161 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1103 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1162 1162  
1163 1163  * AT Command:
1164 1164  
1165 1165  (% class="box infomessage" %)
1166 1166  (((
1167 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1109 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1168 1168  )))
1169 1169  
1170 1170  * Downlink Payload (prefix 0xA5):
... ... @@ -1174,7 +1174,6 @@
1174 1174  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1175 1175  )))
1176 1176  
1177 -
1178 1178  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1179 1179  
1180 1180  * AT Command:
... ... @@ -1199,7 +1199,6 @@
1199 1199  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1200 1200  )))
1201 1201  
1202 -
1203 1203  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1204 1204  
1205 1205  Clear counting for counting mode
... ... @@ -1218,7 +1218,6 @@
1218 1218  **0x A6 01     ~/~/ clear all counting,**
1219 1219  )))
1220 1220  
1221 -
1222 1222  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1223 1223  
1224 1224  * AT Command:
... ... @@ -1237,8 +1237,6 @@
1237 1237  
1238 1238  (((
1239 1239  range: aa bb cc:0 to 16777215,  (unit:second)
1240 -
1241 -
1242 1242  )))
1243 1243  
1244 1244  == 3.5 Integrate with Mydevice ==
... ... @@ -1259,7 +1259,6 @@
1259 1259  
1260 1260  [[image:image-20220524094641-12.png||height="402" width="718"]]
1261 1261  
1262 -
1263 1263  **Step 3**: Create an account or log in Mydevices.
1264 1264  
1265 1265  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1268,7 +1268,6 @@
1268 1268  
1269 1269  [[image:1653356838789-523.png||height="337" width="740"]]
1270 1270  
1271 -
1272 1272  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1273 1273  
1274 1274  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1281,7 +1281,6 @@
1281 1281  
1282 1282  [[image:image-20220524094909-5.png||height="341" width="734"]]
1283 1283  
1284 -
1285 1285  == 3.6 Interface Detail ==
1286 1286  
1287 1287  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1290,7 +1290,6 @@
1290 1290  
1291 1291  [[image:1653356991268-289.png]]
1292 1292  
1293 -
1294 1294  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1295 1295  
1296 1296  (((
... ... @@ -1306,105 +1306,51 @@
1306 1306  [[image:1653357170703-587.png]]
1307 1307  
1308 1308  (((
1309 -(((
1310 1310  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1311 1311  )))
1312 -)))
1313 1313  
1314 -(((
1315 -
1316 -)))
1317 1317  
1318 -(((
1319 1319  **Example1**: Connect to a Low active sensor.
1320 -)))
1321 1321  
1322 -(((
1323 1323  This type of sensor will output a low signal GND when active.
1324 -)))
1325 1325  
1326 -* (((
1327 -Connect sensor’s output to DI1-
1328 -)))
1329 -* (((
1330 -Connect sensor’s VCC to DI1+.
1331 -)))
1250 +* Connect sensor’s output to DI1-
1251 +* Connect sensor’s VCC to DI1+.
1332 1332  
1333 -(((
1334 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1335 -)))
1253 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1336 1336  
1337 -(((
1338 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1339 -)))
1255 +[[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:/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:/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.**
1340 1340  
1341 -(((
1342 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1343 -)))
1257 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1344 1344  
1345 -(((
1346 -
1347 -)))
1348 1348  
1349 -(((
1350 1350  **Example2**: Connect to a High active sensor.
1351 -)))
1352 1352  
1353 -(((
1354 1354  This type of sensor will output a high signal (example 24v) when active.
1355 -)))
1356 1356  
1357 -* (((
1358 -Connect sensor’s output to DI1+
1359 -)))
1360 -* (((
1361 -Connect sensor’s GND DI1-.
1362 -)))
1264 +* Connect sensor’s output to DI1+
1265 +* Connect sensor’s GND DI1-.
1363 1363  
1364 -(((
1365 1365  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1366 -)))
1367 1367  
1368 -(((
1369 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1370 -)))
1269 +[[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:/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:/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.**
1371 1371  
1372 -(((
1373 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1374 -)))
1271 +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:/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:/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.
1375 1375  
1376 -(((
1377 -
1378 -)))
1379 1379  
1380 -(((
1381 1381  **Example3**: Connect to a 220v high active sensor.
1382 -)))
1383 1383  
1384 -(((
1385 1385  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1386 -)))
1387 1387  
1388 -* (((
1389 -Connect sensor’s output to DI1+ with a serial 50K resistor
1390 -)))
1391 -* (((
1392 -Connect sensor’s GND DI1-.
1393 -)))
1278 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 +* Connect sensor’s GND DI1-.
1394 1394  
1395 -(((
1396 1396  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1397 -)))
1398 1398  
1399 -(((
1400 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1401 -)))
1283 + [[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:/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:/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.**
1402 1402  
1403 -(((
1404 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% 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.
1405 -)))
1285 +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.
1406 1406  
1407 -
1408 1408  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1409 1409  
1410 1410  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1411,7 +1411,6 @@
1411 1411  
1412 1412  [[image:1653357531600-905.png]]
1413 1413  
1414 -
1415 1415  === 3.6.4 Analog Input Interface ===
1416 1416  
1417 1417  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1439,7 +1439,6 @@
1439 1439  
1440 1440  [[image:1653357648330-671.png||height="155" width="733"]]
1441 1441  
1442 -
1443 1443  === 3.6.5 Relay Output ===
1444 1444  
1445 1445  (((
... ... @@ -1450,12 +1450,10 @@
1450 1450  
1451 1451  [[image:image-20220524100215-10.png||height="382" width="723"]]
1452 1452  
1453 -
1454 1454  == 3.7 LEDs Indicators ==
1455 1455  
1456 1456  [[image:image-20220524100748-11.png]]
1457 1457  
1458 -
1459 1459  = 4. Use AT Command =
1460 1460  
1461 1461  == 4.1 Access AT Command ==
... ... @@ -1656,8 +1656,6 @@
1656 1656  
1657 1657  (((
1658 1658  AT+CFG: Print all settings
1659 -
1660 -
1661 1661  )))
1662 1662  
1663 1663  == 4.2 Common AT Command Sequence ==
... ... @@ -1699,8 +1699,6 @@
1699 1699  
1700 1700  (((
1701 1701  (% style="background-color:#dcdcdc" %)ATZ
1702 -
1703 -
1704 1704  )))
1705 1705  
1706 1706  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1782,7 +1782,6 @@
1782 1782  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1783 1783  ATZ
1784 1784  
1785 -
1786 1786  = 5. FAQ =
1787 1787  
1788 1788  == 5.1 How to upgrade the image? ==
... ... @@ -1813,7 +1813,6 @@
1813 1813  
1814 1814  [[image:1653360054704-518.png||height="186" width="745"]]
1815 1815  
1816 -
1817 1817  (((
1818 1818  (((
1819 1819  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1822,8 +1822,6 @@
1822 1822  
1823 1823  (((
1824 1824  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1825 -
1826 -
1827 1827  )))
1828 1828  
1829 1829  (((
... ... @@ -1877,18 +1877,10 @@
1877 1877  
1878 1878  [[image:1653360498588-932.png||height="485" width="726"]]
1879 1879  
1880 -
1881 1881  == 5.4 Can I see counting event in Serial? ==
1882 1882  
1883 1883  (((
1884 1884  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1885 -
1886 -
1887 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1888 -
1889 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1890 -
1891 -
1892 1892  )))
1893 1893  
1894 1894  (((
... ... @@ -1902,8 +1902,11 @@
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1764 +Please see this link for how to debug: [[How it work>>LoRaWAN_Communication_Debug]]
1906 1906  
1766 +
1767 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1768 +
1907 1907  
1908 1908  )))
1909 1909  
... ... @@ -1912,7 +1912,9 @@
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1777 +See this link for trouble shooting:
1778 +
1779 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1916 1916  )))
1917 1917  
1918 1918  (((
... ... @@ -1924,7 +1924,9 @@
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1791 +It might be about the channels mapping. Please see this link for detail:
1792 +
1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1928 1928  )))
1929 1929  
1930 1930  (((
... ... @@ -1998,8 +1998,6 @@
1998 1998  (((
1999 1999  * (((
2000 2000  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2001 -
2002 -
2003 2003  )))
2004 2004  
2005 2005  = 8. Packing Info =
... ... @@ -2032,8 +2032,6 @@
2032 2032  * Device Weight: 105g
2033 2033  * Package Size / pcs : 14.5 x 8 x 5 cm
2034 2034  * Weight / pcs : 170g
2035 -
2036 -
2037 2037  )))
2038 2038  )))
2039 2039  
... ... @@ -2055,8 +2055,6 @@
2055 2055  (((
2056 2056  (((
2057 2057   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2058 -
2059 -
2060 2060  )))
2061 2061  
2062 2062  (((
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