Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -36,13 +36,11 @@ 36 36 ))) 37 37 38 38 ((( 39 -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.39 +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. 40 40 ))) 41 41 42 42 ((( 43 43 2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless. 44 - 45 - 46 46 ))) 47 47 48 48 ((( ... ... @@ -168,13 +168,11 @@ 168 168 Packet engine up to 256 bytes with CRC. 169 169 170 170 171 - 172 172 173 173 ))) 174 174 175 175 == 1.3 Features == 176 176 177 - 178 178 * LoRaWAN Class A & Class C protocol 179 179 * Optional Customized LoRa Protocol 180 180 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865 ... ... @@ -183,10 +183,8 @@ 183 183 * Firmware upgradable via program port 184 184 * Counting 185 185 186 - 187 187 == 1.4 Applications == 188 188 189 - 190 190 * Smart Buildings & Home Automation 191 191 * Logistics and Supply Chain Management 192 192 * Smart Metering ... ... @@ -194,10 +194,8 @@ 194 194 * Smart Cities 195 195 * Smart Factory 196 196 197 - 198 198 == 1.5 Hardware Variants == 199 199 200 - 201 201 (% border="1" style="background-color:#f7faff; width:500px" %) 202 202 |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description** 203 203 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)((( ... ... @@ -211,7 +211,6 @@ 211 211 212 212 = 2. Power ON Device = 213 213 214 - 215 215 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. 216 216 217 217 ((( ... ... @@ -226,7 +226,6 @@ 226 226 227 227 == 3.1 How it works? == 228 228 229 - 230 230 ((( 231 231 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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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. 232 232 ))) ... ... @@ -236,14 +236,10 @@ 236 236 ))) 237 237 238 238 239 - 240 240 == 3.2 Example to join LoRaWAN network == 241 241 242 - 243 243 ((( 244 244 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. 245 - 246 - 247 247 ))) 248 248 249 249 [[image:image-20220523172350-1.png||height="266" width="864"]] ... ... @@ -251,8 +251,6 @@ 251 251 252 252 ((( 253 253 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: 254 - 255 - 256 256 ))) 257 257 258 258 ((( ... ... @@ -278,7 +278,6 @@ 278 278 [[image:1653298023685-319.png]] 279 279 280 280 281 - 282 282 ((( 283 283 (% 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. 284 284 ))) ... ... @@ -289,7 +289,6 @@ 289 289 290 290 == 3.3 Uplink Payload == 291 291 292 - 293 293 There are five working modes + one interrupt mode on LT for different type application: 294 294 295 295 * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO ... ... @@ -299,10 +299,8 @@ 299 299 * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 300 300 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 301 301 302 - 303 303 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 304 304 305 - 306 306 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 307 307 308 308 [[image:image-20220523174024-3.png]] ... ... @@ -354,7 +354,6 @@ 354 354 ** DO1 is high in case there is load between DO1 and V+. 355 355 ** DO1 LED is off in both case 356 356 357 - 358 358 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 359 359 360 360 ... ... @@ -423,7 +423,6 @@ 423 423 424 424 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 425 425 426 - 427 427 **LT22222-L**: This mode the DI1 is used as a counting pin. 428 428 429 429 [[image:image-20220523181246-5.png]] ... ... @@ -709,14 +709,14 @@ 709 709 ((( 710 710 711 711 712 -**Decoder for TTN/loraserver/ChirpStack**: [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]] 690 +**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/]] 691 + 692 + 713 713 ))) 714 714 715 715 716 - 717 717 == 3.4 Configure LT via AT or Downlink == 718 718 719 - 720 720 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 721 721 722 722 ((( ... ... @@ -727,11 +727,8 @@ 727 727 728 728 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 729 729 730 - 731 - 732 732 === 3.4.1 Common Commands === 733 733 734 - 735 735 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]] 736 736 737 737 ... ... @@ -741,7 +741,6 @@ 741 741 742 742 ==== 3.4.2.1 Set Transmit Interval ==== 743 743 744 - 745 745 Set device uplink interval. 746 746 747 747 * (% style="color:#037691" %)**AT Command:** ... ... @@ -761,7 +761,6 @@ 761 761 762 762 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 763 763 764 - 765 765 Set work mode. 766 766 767 767 * (% style="color:#037691" %)**AT Command:** ... ... @@ -781,7 +781,6 @@ 781 781 782 782 ==== 3.4.2.3 Poll an uplink ==== 783 783 784 - 785 785 * (% style="color:#037691" %)**AT Command:** 786 786 787 787 There is no AT Command to poll uplink ... ... @@ -798,7 +798,6 @@ 798 798 799 799 ==== 3.4.2.4 Enable Trigger Mode ==== 800 800 801 - 802 802 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 803 803 804 804 * (% style="color:#037691" %)**AT Command:** ... ... @@ -819,7 +819,6 @@ 819 819 820 820 ==== 3.4.2.5 Poll trigger settings ==== 821 821 822 - 823 823 Poll trigger settings, 824 824 825 825 * (% style="color:#037691" %)**AT Command:** ... ... @@ -836,7 +836,6 @@ 836 836 837 837 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 838 838 839 - 840 840 Enable Disable DI1/DI2/DI2 as trigger, 841 841 842 842 * (% style="color:#037691" %)**AT Command:** ... ... @@ -857,7 +857,6 @@ 857 857 858 858 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 859 859 860 - 861 861 Set DI1 or DI3(for LT-33222-L) trigger. 862 862 863 863 * (% style="color:#037691" %)**AT Command:** ... ... @@ -877,10 +877,8 @@ 877 877 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 878 878 * **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 879 879 880 - 881 881 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 882 882 883 - 884 884 Set DI2 trigger. 885 885 886 886 * (% style="color:#037691" %)**AT Command:** ... ... @@ -907,7 +907,6 @@ 907 907 908 908 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 909 909 910 - 911 911 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 912 912 913 913 * (% style="color:#037691" %)**AT Command** ... ... @@ -924,7 +924,6 @@ 924 924 925 925 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 926 926 927 - 928 928 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 929 929 930 930 * (% style="color:#037691" %)**AT Command** ... ... @@ -941,7 +941,6 @@ 941 941 942 942 ==== 3.4.2.11 Trigger – Set minimum interval ==== 943 943 944 - 945 945 Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 946 946 947 947 * (% style="color:#037691" %)**AT Command** ... ... @@ -964,7 +964,6 @@ 964 964 965 965 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 966 966 967 - 968 968 * (% style="color:#037691" %)**AT Command** 969 969 970 970 There is no AT Command to control Digital Output ... ... @@ -996,7 +996,6 @@ 996 996 997 997 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 998 998 999 - 1000 1000 * (% style="color:#037691" %)**AT Command** 1001 1001 1002 1002 There is no AT Command to control Digital Output ... ... @@ -1063,7 +1063,6 @@ 1063 1063 1064 1064 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1065 1065 1066 - 1067 1067 * (% style="color:#037691" %)**AT Command:** 1068 1068 1069 1069 There is no AT Command to control Relay Output ... ... @@ -1093,7 +1093,6 @@ 1093 1093 1094 1094 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1095 1095 1096 - 1097 1097 * (% style="color:#037691" %)**AT Command:** 1098 1098 1099 1099 There is no AT Command to control Relay Output ... ... @@ -1117,7 +1117,7 @@ 1117 1117 1118 1118 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1119 1119 1120 -[[image:image-20220 714135731-1.png||height="406" width="627"]]1079 +[[image:image-20220524093831-10.png]] 1121 1121 1122 1122 1123 1123 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms ... ... @@ -1127,21 +1127,21 @@ 1127 1127 1128 1128 **Example payload:** 1129 1129 1130 -**~1. 05 01 11 07 D** 1089 +**~1. 05 01 11 07 D0** 1131 1131 1132 -Relay1 and Relay 2 will be set to N C, last 2 seconds, then change back to original state.1091 +Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state. 1133 1133 1134 1134 **2. 05 01 10 07 D0** 1135 1135 1136 -Relay1 will change to N C, Relay2 will change to NO, last 2 seconds, then both change back to original state.1095 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state. 1137 1137 1138 1138 **3. 05 00 01 07 D0** 1139 1139 1140 -Relay1 will change to N O, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.1099 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC. 1141 1141 1142 1142 **4. 05 00 00 07 D0** 1143 1143 1144 -Relay 1 & relay2 will change to N O, last 2 seconds, then both change to NC.1103 +Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1145 1145 1146 1146 1147 1147 ... ... @@ -1148,7 +1148,6 @@ 1148 1148 1149 1149 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1150 1150 1151 - 1152 1152 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1153 1153 1154 1154 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1165,7 +1165,6 @@ 1165 1165 1166 1166 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1167 1167 1168 - 1169 1169 * (% style="color:#037691" %)**AT Command:** 1170 1170 1171 1171 **AT+SETCNT=aa,(bb cc dd ee) ** ... ... @@ -1188,7 +1188,6 @@ 1188 1188 1189 1189 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1190 1190 1191 - 1192 1192 Clear counting for counting mode 1193 1193 1194 1194 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1205,7 +1205,6 @@ 1205 1205 1206 1206 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1207 1207 1208 - 1209 1209 * (% style="color:#037691" %)**AT Command:** 1210 1210 1211 1211 **AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) ... ... @@ -1225,7 +1225,6 @@ 1225 1225 1226 1226 == 3.5 Integrate with Mydevice == 1227 1227 1228 - 1229 1229 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1230 1230 1231 1231 ((( ... ... @@ -1234,15 +1234,14 @@ 1234 1234 1235 1235 ((( 1236 1236 (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1237 - 1238 - 1239 1239 ))) 1240 1240 1241 -[[image: image-20220719105525-1.png||height="377" width="677"]]1193 +[[image:1653356737703-362.png||height="232" width="732"]] 1242 1242 1195 +[[image:image-20220524094641-11.png||height="390" width="723"]] 1243 1243 1244 1244 1245 -[[image:image-20220 719110247-2.png||height="388" width="683"]]1198 +[[image:image-20220524094641-12.png||height="402" width="718"]] 1246 1246 1247 1247 1248 1248 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. ... ... @@ -1275,10 +1275,8 @@ 1275 1275 1276 1276 == 3.6 Interface Detail == 1277 1277 1278 - 1279 1279 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1280 1280 1281 - 1282 1282 Support NPN Type sensor 1283 1283 1284 1284 [[image:1653356991268-289.png]] ... ... @@ -1287,7 +1287,6 @@ 1287 1287 1288 1288 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1289 1289 1290 - 1291 1291 ((( 1292 1292 The DI port of LT-22222-L can support NPN or PNP output sensor. 1293 1293 ))) ... ... @@ -1294,9 +1294,7 @@ 1294 1294 1295 1295 ((( 1296 1296 ((( 1297 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high. 1298 - 1299 - 1247 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high 1300 1300 ))) 1301 1301 ))) 1302 1302 ... ... @@ -1341,8 +1341,6 @@ 1341 1341 1342 1342 ((( 1343 1343 1344 - 1345 - 1346 1346 ))) 1347 1347 1348 1348 ((( ... ... @@ -1374,8 +1374,6 @@ 1374 1374 1375 1375 ((( 1376 1376 1377 - 1378 - 1379 1379 ))) 1380 1380 1381 1381 ((( ... ... @@ -1409,7 +1409,6 @@ 1409 1409 1410 1410 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1411 1411 1412 - 1413 1413 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1414 1414 1415 1415 [[image:1653357531600-905.png]] ... ... @@ -1418,7 +1418,6 @@ 1418 1418 1419 1419 === 3.6.4 Analog Input Interface === 1420 1420 1421 - 1422 1422 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: 1423 1423 1424 1424 ... ... @@ -1450,7 +1450,6 @@ 1450 1450 1451 1451 === 3.6.5 Relay Output === 1452 1452 1453 - 1454 1454 ((( 1455 1455 The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below: 1456 1456 ))) ... ... @@ -1463,7 +1463,6 @@ 1463 1463 1464 1464 == 3.7 LEDs Indicators == 1465 1465 1466 - 1467 1467 [[image:image-20220524100748-11.png]] 1468 1468 1469 1469 ... ... @@ -1470,10 +1470,8 @@ 1470 1470 1471 1471 = 4. Use AT Command = 1472 1472 1473 - 1474 1474 == 4.1 Access AT Command == 1475 1475 1476 - 1477 1477 LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below. 1478 1478 1479 1479 [[image:1653358238933-385.png]] ... ... @@ -1678,7 +1678,6 @@ 1678 1678 1679 1679 == 4.2 Common AT Command Sequence == 1680 1680 1681 - 1682 1682 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1683 1683 1684 1684 ((( ... ... @@ -1802,16 +1802,13 @@ 1802 1802 1803 1803 === 4.2.3 Change to Class A === 1804 1804 1805 - 1806 1806 If sensor JOINED 1807 1807 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1808 1808 ATZ 1809 1809 1810 1810 1811 - 1812 1812 = 5. FAQ = 1813 1813 1814 - 1815 1815 == 5.1 How to upgrade the image? == 1816 1816 1817 1817 ... ... @@ -1834,8 +1834,6 @@ 1834 1834 1835 1835 (% style="color:blue" %)**For LT-22222-L**(%%): 1836 1836 Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode. 1837 - 1838 - 1839 1839 ))) 1840 1840 1841 1841 [[image:image-20220524103407-12.png]] ... ... @@ -1847,7 +1847,6 @@ 1847 1847 1848 1848 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1849 1849 1850 - 1851 1851 [[image:1653360054704-518.png||height="186" width="745"]] 1852 1852 1853 1853 ... ... @@ -1856,8 +1856,6 @@ 1856 1856 1857 1857 1858 1858 == 5.2 How to change the LoRa Frequency Bands/Region? == 1859 - 1860 - 1861 1861 ))) 1862 1862 ))) 1863 1863 ... ... @@ -1868,10 +1868,7 @@ 1868 1868 ((( 1869 1869 1870 1870 1871 - 1872 1872 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1873 - 1874 - 1875 1875 ))) 1876 1876 1877 1877 ((( ... ... @@ -1889,7 +1889,7 @@ 1889 1889 ))) 1890 1890 1891 1891 ((( 1892 -(% style="color:b lue" %)**Step1**(%%):1818 +(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device. 1893 1893 ))) 1894 1894 1895 1895 ((( ... ... @@ -1897,12 +1897,12 @@ 1897 1897 ))) 1898 1898 1899 1899 ((( 1900 -(% style="color:red" %) **Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**1826 +(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1901 1901 ))) 1902 1902 1903 1903 1904 1904 ((( 1905 -(% style="color:b lue" %)**Step2**(%%)**:1831 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1906 1906 ))) 1907 1907 1908 1908 ((( ... ... @@ -1926,21 +1926,16 @@ 1926 1926 [[image:1653360498588-932.png||height="485" width="726"]] 1927 1927 1928 1928 1929 - 1930 1930 == 5.4 Can I see counting event in Serial? == 1931 1931 1932 - 1933 1933 ((( 1934 -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.1858 +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. 1935 1935 1936 1936 1937 - 1938 1938 == 5.5 Can i use point to point communication for LT-22222-L? == 1939 1939 1940 - 1941 1941 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1942 1942 1943 - 1944 1944 1945 1945 ))) 1946 1946 ... ... @@ -1947,7 +1947,6 @@ 1947 1947 ((( 1948 1948 == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1949 1949 1950 - 1951 1951 If the device is not shut down, but directly powered off. 1952 1952 1953 1953 It will default that this is a power-off state. ... ... @@ -1957,7 +1957,6 @@ 1957 1957 After restart, the status before power failure will be read from flash. 1958 1958 1959 1959 1960 - 1961 1961 = 6. Trouble Shooting = 1962 1962 ))) 1963 1963 ... ... @@ -1964,8 +1964,6 @@ 1964 1964 ((( 1965 1965 ((( 1966 1966 == 6.1 Downlink doesn't work, how to solve it? == 1967 - 1968 - 1969 1969 ))) 1970 1970 ))) 1971 1971 ... ... @@ -1976,10 +1976,7 @@ 1976 1976 ((( 1977 1977 1978 1978 1979 - 1980 1980 == 6.2 Have trouble to upload image. == 1981 - 1982 - 1983 1983 ))) 1984 1984 1985 1985 ((( ... ... @@ -1989,10 +1989,7 @@ 1989 1989 ((( 1990 1990 1991 1991 1992 - 1993 1993 == 6.3 Why I can't join TTN in US915 /AU915 bands? == 1994 - 1995 - 1996 1996 ))) 1997 1997 1998 1998 ((( ... ... @@ -2000,7 +2000,6 @@ 2000 2000 ))) 2001 2001 2002 2002 2003 - 2004 2004 = 7. Order Info = 2005 2005 2006 2006 ... ... @@ -2020,6 +2020,8 @@ 2020 2020 2021 2021 2022 2022 1933 + 1934 + 2023 2023 = 8. Packing Info = 2024 2024 2025 2025 ... ... @@ -2039,26 +2039,23 @@ 2039 2039 2040 2040 2041 2041 2042 -= 9. Support = 2043 2043 2044 2044 1956 += 9. Support = 1957 + 2045 2045 * ((( 2046 2046 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 2047 2047 ))) 2048 2048 * ((( 2049 2049 Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1963 +))) 2050 2050 2051 2051 2052 2052 2053 2053 2054 - 2055 -))) 2056 - 2057 2057 = 10. Reference = 2058 2058 2059 - 2060 2060 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2061 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 1971 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 1972 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2062 2062 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2063 - 2064 -
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