Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.22 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.76 >
edited by Xiaoling
on 2022/06/10 09:24
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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  )))
... ... @@ -164,8 +164,6 @@
164 164  
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.
... ... @@ -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.
... ... @@ -622,6 +622,7 @@
622 622  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
623 623  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.**
624 624  
610 +
625 625  **AT Command to set Trigger Condition**:
626 626  
627 627  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -673,14 +673,17 @@
673 673  
674 674   Yy4 yy4: AC2 or AV2 high limit.
675 675  
662 +
676 676  **Example1**: AA 00 13 88 00 00 00 00 00 00
677 677  
678 678  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679 679  
667 +
680 680  **Example2**: AA 02 01 00
681 681  
682 682  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683 683  
672 +
684 684  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
685 685  
686 686  MOD6 Payload : total 11 bytes payload
... ... @@ -687,6 +687,7 @@
687 687  
688 688  [[image:image-20220524085923-1.png]]
689 689  
679 +
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 692  [[image:image-20220524090106-2.png]]
... ... @@ -693,6 +693,7 @@
693 693  
694 694  * Each bits shows if the corresponding trigger has been configured.
695 695  
686 +
696 696  **Example:**
697 697  
698 698  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -704,6 +704,7 @@
704 704  
705 705  * Each bits shows which status has been trigger on this uplink.
706 706  
698 +
707 707  **Example:**
708 708  
709 709  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -715,6 +715,7 @@
715 715  
716 716  * Each bits shows which status has been trigger on this uplink.
717 717  
710 +
718 718  **Example:**
719 719  
720 720  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -777,6 +777,7 @@
777 777  
778 778  **Example: **AT+TDC=30000. Means set interval to 30 seconds
779 779  
773 +
780 780  * Downlink Payload (prefix 0x01):
781 781  
782 782  (% class="box infomessage" %)
... ... @@ -799,6 +799,7 @@
799 799  
800 800  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
801 801  
796 +
802 802  * Downlink Payload (prefix 0x0A):
803 803  
804 804  (% class="box infomessage" %)
... ... @@ -814,6 +814,7 @@
814 814  
815 815  There is no AT Command to poll uplink
816 816  
812 +
817 817  * Downlink Payload (prefix 0x08):
818 818  
819 819  (% class="box infomessage" %)
... ... @@ -840,6 +840,7 @@
840 840  
841 841  0: Disable Trigger Mode
842 842  
839 +
843 843  * Downlink Payload (prefix 0x0A 06):
844 844  
845 845  (% class="box infomessage" %)
... ... @@ -857,6 +857,7 @@
857 857  
858 858  There is no AT Command for this feature.
859 859  
857 +
860 860  * Downlink Payload (prefix 0x AB 06):
861 861  
862 862  (% class="box infomessage" %)
... ... @@ -865,6 +865,7 @@
865 865  )))
866 866  
867 867  
866 +
868 868  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
869 869  
870 870  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -876,6 +876,7 @@
876 876  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
877 877  )))
878 878  
878 +
879 879  **Example:**
880 880  
881 881  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -888,6 +888,7 @@
888 888  )))
889 889  
890 890  
891 +
891 891  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
892 892  
893 893  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -903,10 +903,12 @@
903 903  
904 904  b : delay timing.
905 905  
907 +
906 906  **Example:**
907 907  
908 908  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
909 909  
912 +
910 910  * Downlink Payload (prefix 0x09 01 ):
911 911  
912 912  (% class="box infomessage" %)
... ... @@ -915,6 +915,7 @@
915 915  )))
916 916  
917 917  
921 +
918 918  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
919 919  
920 920  Set DI2 trigger.
... ... @@ -930,10 +930,12 @@
930 930  
931 931  b : delay timing.
932 932  
937 +
933 933  **Example:**
934 934  
935 935  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
936 936  
942 +
937 937  * Downlink Payload (prefix 0x09 02 ):
938 938  
939 939  (% class="box infomessage" %)
... ... @@ -942,6 +942,7 @@
942 942  )))
943 943  
944 944  
951 +
945 945  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
946 946  
947 947  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -953,6 +953,7 @@
953 953  **AT+ACLIM. **
954 954  )))
955 955  
963 +
956 956  * Downlink Payload (prefix 0xAA 01 ):
957 957  
958 958  (% class="box infomessage" %)
... ... @@ -961,6 +961,7 @@
961 961  )))
962 962  
963 963  
972 +
964 964  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
965 965  
966 966  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -972,6 +972,7 @@
972 972  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
973 973  )))
974 974  
984 +
975 975  * Downlink Payload (prefix 0xAA 00 ):
976 976  
977 977  (% class="box infomessage" %)
... ... @@ -980,6 +980,7 @@
980 980  )))
981 981  
982 982  
993 +
983 983  ==== 3.4.2.11 Trigger – Set minimum interval ====
984 984  
985 985  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -991,6 +991,7 @@
991 991  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
992 992  )))
993 993  
1005 +
994 994  * Downlink Payload (prefix 0xAC ):
995 995  
996 996  (% class="box infomessage" %)
... ... @@ -999,6 +999,7 @@
999 999  )))
1000 1000  
1001 1001  
1014 +
1002 1002  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1003 1003  
1004 1004  * AT Command:
... ... @@ -1005,6 +1005,7 @@
1005 1005  
1006 1006  There is no AT Command to control Digital Output
1007 1007  
1021 +
1008 1008  * Downlink Payload (prefix 0x02):
1009 1009  
1010 1010  (% class="box infomessage" %)
... ... @@ -1031,6 +1031,7 @@
1031 1031  )))
1032 1032  
1033 1033  
1048 +
1034 1034  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1035 1035  
1036 1036  * AT Command:
... ... @@ -1037,6 +1037,7 @@
1037 1037  
1038 1038  There is no AT Command to control Digital Output
1039 1039  
1055 +
1040 1040  * Downlink Payload (prefix 0xA9):
1041 1041  
1042 1042  (% class="box infomessage" %)
... ... @@ -1056,18 +1056,22 @@
1056 1056  
1057 1057  00: DO pins will change to an inverter state after timeout 
1058 1058  
1075 +
1059 1059  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1060 1060  
1061 1061  [[image:image-20220524093238-6.png]]
1062 1062  
1080 +
1063 1063  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1064 1064  
1065 1065  [[image:image-20220524093328-7.png]]
1066 1066  
1085 +
1067 1067  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1068 1068  
1069 1069  [[image:image-20220524093351-8.png]]
1070 1070  
1090 +
1071 1071  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1072 1072  
1073 1073   Latching time. Unit: ms
... ... @@ -1074,6 +1074,7 @@
1074 1074  
1075 1075  Device will upload a packet if downlink code executes successfully.
1076 1076  
1097 +
1077 1077  **Example payload:**
1078 1078  
1079 1079  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1093,12 +1093,14 @@
1093 1093  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1094 1094  
1095 1095  
1096 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1097 1097  
1118 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1119 +
1098 1098  * AT Command:
1099 1099  
1100 1100  There is no AT Command to control Relay Output
1101 1101  
1124 +
1102 1102  * Downlink Payload (prefix 0x03):
1103 1103  
1104 1104  (% class="box infomessage" %)
... ... @@ -1121,6 +1121,7 @@
1121 1121  Device will upload a packet if downlink code executes successfully.
1122 1122  
1123 1123  
1147 +
1124 1124  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1125 1125  
1126 1126  * AT Command:
... ... @@ -1127,6 +1127,7 @@
1127 1127  
1128 1128  There is no AT Command to control Relay Output
1129 1129  
1154 +
1130 1130  * Downlink Payload (prefix 0x05):
1131 1131  
1132 1132  (% class="box infomessage" %)
... ... @@ -1144,14 +1144,17 @@
1144 1144  
1145 1145  00: Relays will change to an inverter state after timeout
1146 1146  
1172 +
1147 1147  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1148 1148  
1149 1149  [[image:image-20220524093831-10.png]]
1150 1150  
1177 +
1151 1151  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1152 1152  
1153 1153  Device will upload a packet if downlink code executes successfully.
1154 1154  
1182 +
1155 1155  **Example payload:**
1156 1156  
1157 1157  **~1. 05 01 11 07 D0**
... ... @@ -1171,6 +1171,7 @@
1171 1171  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1172 1172  
1173 1173  
1202 +
1174 1174  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1175 1175  
1176 1176  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1182,6 +1182,7 @@
1182 1182  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1183 1183  )))
1184 1184  
1214 +
1185 1185  * Downlink Payload (prefix 0xA5):
1186 1186  
1187 1187  (% class="box infomessage" %)
... ... @@ -1190,6 +1190,7 @@
1190 1190  )))
1191 1191  
1192 1192  
1223 +
1193 1193  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1194 1194  
1195 1195  * AT Command:
... ... @@ -1207,6 +1207,7 @@
1207 1207  
1208 1208  Bb cc dd ee: number to be set
1209 1209  
1241 +
1210 1210  * Downlink Payload (prefix 0xA8):
1211 1211  
1212 1212  (% class="box infomessage" %)
... ... @@ -1215,6 +1215,7 @@
1215 1215  )))
1216 1216  
1217 1217  
1250 +
1218 1218  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1219 1219  
1220 1220  Clear counting for counting mode
... ... @@ -1234,6 +1234,7 @@
1234 1234  )))
1235 1235  
1236 1236  
1270 +
1237 1237  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1238 1238  
1239 1239  * AT Command:
... ... @@ -1256,16 +1256,17 @@
1256 1256  
1257 1257  )))
1258 1258  
1293 +
1259 1259  == 3.5 Integrate with Mydevice ==
1260 1260  
1261 1261  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:
1262 1262  
1263 1263  (((
1264 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1299 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1265 1265  )))
1266 1266  
1267 1267  (((
1268 -**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:
1303 +(% 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:
1269 1269  )))
1270 1270  
1271 1271  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1272,12 +1272,13 @@
1272 1272  
1273 1273  [[image:image-20220524094641-11.png||height="390" width="723"]]
1274 1274  
1310 +
1275 1275  [[image:image-20220524094641-12.png||height="402" width="718"]]
1276 1276  
1277 1277  
1278 -**Step 3**: Create an account or log in Mydevices.
1314 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1279 1279  
1280 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1316 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1281 1281  
1282 1282  Search under The things network
1283 1283  
... ... @@ -1284,19 +1284,25 @@
1284 1284  [[image:1653356838789-523.png||height="337" width="740"]]
1285 1285  
1286 1286  
1323 +
1287 1287  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1288 1288  
1289 1289  [[image:image-20220524094909-1.png||height="335" width="729"]]
1290 1290  
1328 +
1291 1291  [[image:image-20220524094909-2.png||height="337" width="729"]]
1292 1292  
1331 +
1293 1293  [[image:image-20220524094909-3.png||height="338" width="727"]]
1294 1294  
1334 +
1295 1295  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1296 1296  
1337 +
1297 1297  [[image:image-20220524094909-5.png||height="341" width="734"]]
1298 1298  
1299 1299  
1341 +
1300 1300  == 3.6 Interface Detail ==
1301 1301  
1302 1302  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1306,6 +1306,7 @@
1306 1306  [[image:1653356991268-289.png]]
1307 1307  
1308 1308  
1351 +
1309 1309  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1310 1310  
1311 1311  (((
... ... @@ -1331,7 +1331,7 @@
1331 1331  )))
1332 1332  
1333 1333  (((
1334 -**Example1**: Connect to a Low active sensor.
1377 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1335 1335  )))
1336 1336  
1337 1337  (((
... ... @@ -1362,7 +1362,7 @@
1362 1362  )))
1363 1363  
1364 1364  (((
1365 -**Example2**: Connect to a High active sensor.
1408 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1366 1366  )))
1367 1367  
1368 1368  (((
... ... @@ -1393,7 +1393,7 @@
1393 1393  )))
1394 1394  
1395 1395  (((
1396 -**Example3**: Connect to a 220v high active sensor.
1439 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1397 1397  )))
1398 1398  
1399 1399  (((
... ... @@ -1420,6 +1420,7 @@
1420 1420  )))
1421 1421  
1422 1422  
1466 +
1423 1423  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1424 1424  
1425 1425  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1427,12 +1427,14 @@
1427 1427  [[image:1653357531600-905.png]]
1428 1428  
1429 1429  
1474 +
1430 1430  === 3.6.4 Analog Input Interface ===
1431 1431  
1432 1432  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:
1433 1433  
1434 -**AC2 = (IN2 voltage )/12**
1435 1435  
1480 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1481 +
1436 1436  [[image:1653357592296-182.png]]
1437 1437  
1438 1438  Example to connect a 4~~20mA sensor
... ... @@ -1439,22 +1439,24 @@
1439 1439  
1440 1440  We take the wind speed sensor as an example for reference only.
1441 1441  
1442 -Specifications of the wind speed sensor:
1443 1443  
1444 -Red:12~~24v
1489 +**Specifications of the wind speed sensor:**
1445 1445  
1446 -Yellow:4~~20mA
1491 +Red:  12~~24v
1447 1447  
1448 -Black:GND
1493 +Yellow:  4~~20mA
1449 1449  
1495 +Black:  GND
1450 1450  
1451 -Connection diagram:
1452 1452  
1498 +**Connection diagram:**
1499 +
1453 1453  [[image:1653357640609-758.png]]
1454 1454  
1455 1455  [[image:1653357648330-671.png||height="155" width="733"]]
1456 1456  
1457 1457  
1505 +
1458 1458  === 3.6.5 Relay Output ===
1459 1459  
1460 1460  (((
... ... @@ -1466,6 +1466,7 @@
1466 1466  [[image:image-20220524100215-10.png||height="382" width="723"]]
1467 1467  
1468 1468  
1517 +
1469 1469  == 3.7 LEDs Indicators ==
1470 1470  
1471 1471  [[image:image-20220524100748-11.png]]
... ... @@ -1479,6 +1479,7 @@
1479 1479  
1480 1480  [[image:1653358238933-385.png]]
1481 1481  
1531 +
1482 1482  (((
1483 1483  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1484 1484  )))
... ... @@ -1485,6 +1485,7 @@
1485 1485  
1486 1486  [[image:1653358355238-883.png]]
1487 1487  
1538 +
1488 1488  (((
1489 1489  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1490 1490  )))
... ... @@ -1675,12 +1675,16 @@
1675 1675  
1676 1676  )))
1677 1677  
1729 +
1730 +
1678 1678  == 4.2 Common AT Command Sequence ==
1679 1679  
1680 1680  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1681 1681  
1682 1682  (((
1683 -If device has not joined network yet:
1736 +
1737 +
1738 +**If device has not joined network yet:**
1684 1684  )))
1685 1685  
1686 1686  (((
... ... @@ -1705,7 +1705,7 @@
1705 1705  
1706 1706  
1707 1707  (((
1708 -If device already joined network:
1763 +**If device already joined network:**
1709 1709  )))
1710 1710  
1711 1711  (((
... ... @@ -1718,10 +1718,14 @@
1718 1718  
1719 1719  )))
1720 1720  
1776 +
1777 +
1721 1721  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1722 1722  
1723 1723  (((
1724 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1781 +
1782 +
1783 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1725 1725  )))
1726 1726  
1727 1727  (((
... ... @@ -1729,7 +1729,7 @@
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1791 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1733 1733  )))
1734 1734  
1735 1735  (((
... ... @@ -1737,39 +1737,41 @@
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1799 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1803 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1807 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1811 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1815 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1757 1757  )))
1758 1758  
1759 1759  (((
1760 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1819 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1823 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1765 1765  )))
1766 1766  
1767 1767  (((
1768 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1827 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1769 1769  )))
1770 1770  
1771 1771  (((
1772 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1831 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1832 +
1833 +
1773 1773  )))
1774 1774  
1775 1775  (((
... ... @@ -1791,6 +1791,7 @@
1791 1791  
1792 1792  )))
1793 1793  
1855 +
1794 1794  === 4.2.3 Change to Class A ===
1795 1795  
1796 1796  If sensor JOINED
... ... @@ -1802,19 +1802,25 @@
1802 1802  
1803 1803  == 5.1 How to upgrade the image? ==
1804 1804  
1867 +
1805 1805  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1806 1806  
1807 1807  * Support new features
1808 1808  * For bug fix
1809 1809  * Change LoRaWAN bands.
1873 +
1810 1810  Below shows the hardware connection for how to upload an image to the LT:
1811 -* [[image:1653359603330-121.png]]
1812 1812  
1876 +[[image:1653359603330-121.png]]
1877 +
1878 +
1813 1813  (((
1814 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1815 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1816 -**Step3: **Open flashloader; choose the correct COM port to update.
1817 -**For LT-22222-L**:
1880 +(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1881 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1882 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1883 +
1884 +
1885 +(% style="color:blue" %)**For LT-22222-L**(%%):
1818 1818  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1819 1819  )))
1820 1820  
... ... @@ -1824,6 +1824,7 @@
1824 1824  
1825 1825  [[image:image-20220524104033-15.png]]
1826 1826  
1895 +
1827 1827  (% 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:
1828 1828  
1829 1829  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1831,6 +1831,8 @@
1831 1831  
1832 1832  (((
1833 1833  (((
1903 +
1904 +
1834 1834  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1835 1835  )))
1836 1836  )))
... ... @@ -1837,11 +1837,11 @@
1837 1837  
1838 1838  (((
1839 1839  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1840 -
1841 -
1842 1842  )))
1843 1843  
1844 1844  (((
1914 +
1915 +
1845 1845  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1846 1846  )))
1847 1847  
... ... @@ -1854,6 +1854,8 @@
1854 1854  (((
1855 1855  (((
1856 1856  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1928 +
1929 +
1857 1857  )))
1858 1858  )))
1859 1859  
... ... @@ -1869,23 +1869,25 @@
1869 1869  (% 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.
1870 1870  )))
1871 1871  
1945 +
1872 1872  (((
1873 1873  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1874 1874  )))
1875 1875  
1876 1876  (((
1877 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1878 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1879 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1880 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1881 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1882 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1883 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1884 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1885 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1886 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1951 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1952 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1953 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1954 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1955 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1956 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1957 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1958 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1959 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1960 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1887 1887  )))
1888 1888  
1963 +
1889 1889  (((
1890 1890  As shown in below:
1891 1891  )))
... ... @@ -1902,11 +1902,11 @@
1902 1902  == 5.5 Can i use point to point communication for LT-22222-L? ==
1903 1903  
1904 1904  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1905 -
1906 -
1907 1907  )))
1908 1908  
1909 1909  (((
1983 +
1984 +
1910 1910  = 6. Trouble Shooting =
1911 1911  )))
1912 1912  
... ... @@ -1918,11 +1918,11 @@
1918 1918  
1919 1919  (((
1920 1920  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1921 -
1922 -
1923 1923  )))
1924 1924  
1925 1925  (((
1999 +
2000 +
1926 1926  == 6.2 Have trouble to upload image. ==
1927 1927  )))
1928 1928  
... ... @@ -1932,9 +1932,7 @@
1932 1932  
1933 1933  (((
1934 1934  
1935 -)))
1936 1936  
1937 -(((
1938 1938  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1939 1939  )))
1940 1940  
... ... @@ -1942,147 +1942,55 @@
1942 1942  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1943 1943  )))
1944 1944  
1945 -(((
1946 -
1947 -)))
1948 1948  
1949 -(((
2019 +
1950 1950  = 7. Order Info =
1951 -)))
1952 1952  
1953 -(((
1954 -(((
2022 +
1955 1955  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1956 -)))
1957 -)))
1958 1958  
1959 -(((
1960 -(((
2025 +
1961 1961  (% style="color:#4f81bd" %)**XXX:**
1962 -)))
1963 -)))
1964 1964  
1965 -(((
1966 -* (((
1967 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1968 -)))
1969 -)))
2028 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2029 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2030 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2031 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2032 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2033 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2034 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2035 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2036 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1970 1970  
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1974 -)))
1975 -)))
1976 -
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1980 -)))
1981 -)))
1982 -
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1986 -)))
1987 -)))
1988 -
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1992 -)))
1993 -)))
1994 -
1995 -(((
1996 -* (((
1997 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1998 -)))
1999 -)))
2000 -
2001 -(((
2002 -* (((
2003 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2004 -)))
2005 -)))
2006 -
2007 -(((
2008 -* (((
2009 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2010 -)))
2011 -)))
2012 -
2013 -(((
2014 -* (((
2015 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2016 -
2017 -
2018 -)))
2019 -
2020 2020  = 8. Packing Info =
2021 -)))
2022 2022  
2023 -(((
2024 -(((
2040 +
2025 2025  **Package Includes**:
2026 -)))
2027 -)))
2028 2028  
2029 -(((
2030 -(((
2031 2031  * LT-22222-L I/O Controller x 1
2032 2032  * Stick Antenna for LoRa RF part x 1
2033 2033  * Bracket for controller x1
2034 2034  * Program cable x 1
2035 -)))
2036 -)))
2037 2037  
2038 -(((
2039 -(((
2040 2040  **Dimension and weight**:
2041 -)))
2042 -)))
2043 2043  
2044 -(((
2045 -(((
2046 2046  * Device Size: 13.5 x 7 x 3 cm
2047 2047  * Device Weight: 105g
2048 2048  * Package Size / pcs : 14.5 x 8 x 5 cm
2049 2049  * Weight / pcs : 170g
2050 2050  
2051 -
2052 -)))
2053 -)))
2054 -
2055 -(((
2056 2056  = 9. Support =
2057 -)))
2058 2058  
2059 2059  * (((
2060 -(((
2061 2061  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.
2062 2062  )))
2063 -)))
2064 2064  * (((
2065 -(((
2066 -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
2061 +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]]
2067 2067  )))
2068 -)))
2069 2069  
2070 -(((
2071 -(((
2072 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2073 -
2074 -
2075 -)))
2076 -
2077 -(((
2078 2078  = 10. Reference​​​​​ =
2079 2079  
2080 -* Product Page:
2081 -
2082 -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]]
2083 -
2066 +* 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]]
2084 2084  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2085 2085  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2086 2086  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2087 -)))
2088 -)))

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