Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.18 >
edited by Xiaoling
on 2022/06/10 08:40
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
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.
... ... @@ -503,6 +503,8 @@
503 503  )))
504 504  
505 505  (((
491 +
492 +
506 506  **To use this mode, please run:**
507 507  )))
508 508  
... ... @@ -529,6 +529,8 @@
529 529  )))
530 530  
531 531  (((
519 +
520 +
532 532  **Plus below command for AVI1 Counting:**
533 533  )))
534 534  
... ... @@ -564,11 +564,14 @@
564 564  
565 565  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566 566  
556 +
567 567  **LT22222-L**: This mode the DI1 is used as a counting pin.
568 568  
569 569  [[image:image-20220523182334-9.png]]
570 570  
571 571  (((
562 +
563 +
572 572  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
573 573  )))
574 574  
... ... @@ -583,6 +583,8 @@
583 583  )))
584 584  
585 585  (((
578 +
579 +
586 586  **To use this mode, please run:**
587 587  )))
588 588  
... ... @@ -602,8 +602,6 @@
602 602  
603 603  (((
604 604  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
605 -
606 -
607 607  )))
608 608  
609 609  
... ... @@ -617,11 +617,13 @@
617 617  * **AT+MOD=1 ** **~-~->** The normal working mode
618 618  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
619 619  
612 +
620 620  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
621 621  
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  
618 +
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  
670 +
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  
675 +
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  
680 +
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  
687 +
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  
694 +
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  
706 +
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  
718 +
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  
781 +
780 780  * Downlink Payload (prefix 0x01):
781 781  
782 782  (% class="box infomessage" %)
... ... @@ -785,6 +785,7 @@
785 785  )))
786 786  
787 787  
790 +
788 788  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
789 789  
790 790  Set work mode.
... ... @@ -798,6 +798,7 @@
798 798  
799 799  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
800 800  
804 +
801 801  * Downlink Payload (prefix 0x0A):
802 802  
803 803  (% class="box infomessage" %)
... ... @@ -806,6 +806,7 @@
806 806  )))
807 807  
808 808  
813 +
809 809  ==== 3.4.2.3 Poll an uplink ====
810 810  
811 811  * AT Command:
... ... @@ -812,6 +812,7 @@
812 812  
813 813  There is no AT Command to poll uplink
814 814  
820 +
815 815  * Downlink Payload (prefix 0x08):
816 816  
817 817  (% class="box infomessage" %)
... ... @@ -822,6 +822,7 @@
822 822  **Example**: 0x08FF, ask device to send an Uplink
823 823  
824 824  
831 +
825 825  ==== 3.4.2.4 Enable Trigger Mode ====
826 826  
827 827  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -837,6 +837,7 @@
837 837  
838 838  0: Disable Trigger Mode
839 839  
847 +
840 840  * Downlink Payload (prefix 0x0A 06):
841 841  
842 842  (% class="box infomessage" %)
... ... @@ -845,6 +845,7 @@
845 845  )))
846 846  
847 847  
856 +
848 848  ==== 3.4.2.5 Poll trigger settings ====
849 849  
850 850  Poll trigger settings,
... ... @@ -853,6 +853,7 @@
853 853  
854 854  There is no AT Command for this feature.
855 855  
865 +
856 856  * Downlink Payload (prefix 0x AB 06):
857 857  
858 858  (% class="box infomessage" %)
... ... @@ -861,6 +861,7 @@
861 861  )))
862 862  
863 863  
874 +
864 864  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
865 865  
866 866  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -872,6 +872,7 @@
872 872  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
873 873  )))
874 874  
886 +
875 875  **Example:**
876 876  
877 877  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -884,6 +884,7 @@
884 884  )))
885 885  
886 886  
899 +
887 887  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
888 888  
889 889  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -899,10 +899,12 @@
899 899  
900 900  b : delay timing.
901 901  
915 +
902 902  **Example:**
903 903  
904 904  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
905 905  
920 +
906 906  * Downlink Payload (prefix 0x09 01 ):
907 907  
908 908  (% class="box infomessage" %)
... ... @@ -911,6 +911,7 @@
911 911  )))
912 912  
913 913  
929 +
914 914  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
915 915  
916 916  Set DI2 trigger.
... ... @@ -926,10 +926,12 @@
926 926  
927 927  b : delay timing.
928 928  
945 +
929 929  **Example:**
930 930  
931 931  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
932 932  
950 +
933 933  * Downlink Payload (prefix 0x09 02 ):
934 934  
935 935  (% class="box infomessage" %)
... ... @@ -938,6 +938,7 @@
938 938  )))
939 939  
940 940  
959 +
941 941  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
942 942  
943 943  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -949,6 +949,7 @@
949 949  **AT+ACLIM. **
950 950  )))
951 951  
971 +
952 952  * Downlink Payload (prefix 0xAA 01 ):
953 953  
954 954  (% class="box infomessage" %)
... ... @@ -957,6 +957,7 @@
957 957  )))
958 958  
959 959  
980 +
960 960  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
961 961  
962 962  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -968,6 +968,7 @@
968 968  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 969  )))
970 970  
992 +
971 971  * Downlink Payload (prefix 0xAA 00 ):
972 972  
973 973  (% class="box infomessage" %)
... ... @@ -976,6 +976,7 @@
976 976  )))
977 977  
978 978  
1001 +
979 979  ==== 3.4.2.11 Trigger – Set minimum interval ====
980 980  
981 981  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -987,6 +987,7 @@
987 987  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
988 988  )))
989 989  
1013 +
990 990  * Downlink Payload (prefix 0xAC ):
991 991  
992 992  (% class="box infomessage" %)
... ... @@ -995,6 +995,7 @@
995 995  )))
996 996  
997 997  
1022 +
998 998  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
999 999  
1000 1000  * AT Command:
... ... @@ -1001,6 +1001,7 @@
1001 1001  
1002 1002  There is no AT Command to control Digital Output
1003 1003  
1029 +
1004 1004  * Downlink Payload (prefix 0x02):
1005 1005  
1006 1006  (% class="box infomessage" %)
... ... @@ -1027,6 +1027,7 @@
1027 1027  )))
1028 1028  
1029 1029  
1056 +
1030 1030  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1031 1031  
1032 1032  * AT Command:
... ... @@ -1033,6 +1033,7 @@
1033 1033  
1034 1034  There is no AT Command to control Digital Output
1035 1035  
1063 +
1036 1036  * Downlink Payload (prefix 0xA9):
1037 1037  
1038 1038  (% class="box infomessage" %)
... ... @@ -1052,18 +1052,22 @@
1052 1052  
1053 1053  00: DO pins will change to an inverter state after timeout 
1054 1054  
1083 +
1055 1055  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1056 1056  
1057 1057  [[image:image-20220524093238-6.png]]
1058 1058  
1088 +
1059 1059  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1060 1060  
1061 1061  [[image:image-20220524093328-7.png]]
1062 1062  
1093 +
1063 1063  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1064 1064  
1065 1065  [[image:image-20220524093351-8.png]]
1066 1066  
1098 +
1067 1067  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1068 1068  
1069 1069   Latching time. Unit: ms
... ... @@ -1070,6 +1070,7 @@
1070 1070  
1071 1071  Device will upload a packet if downlink code executes successfully.
1072 1072  
1105 +
1073 1073  **Example payload:**
1074 1074  
1075 1075  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1089,12 +1089,14 @@
1089 1089  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
1090 1090  
1091 1091  
1092 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1093 1093  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1094 1094  * AT Command:
1095 1095  
1096 1096  There is no AT Command to control Relay Output
1097 1097  
1132 +
1098 1098  * Downlink Payload (prefix 0x03):
1099 1099  
1100 1100  (% class="box infomessage" %)
... ... @@ -1117,6 +1117,7 @@
1117 1117  Device will upload a packet if downlink code executes successfully.
1118 1118  
1119 1119  
1155 +
1120 1120  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1121 1121  
1122 1122  * AT Command:
... ... @@ -1123,6 +1123,7 @@
1123 1123  
1124 1124  There is no AT Command to control Relay Output
1125 1125  
1162 +
1126 1126  * Downlink Payload (prefix 0x05):
1127 1127  
1128 1128  (% class="box infomessage" %)
... ... @@ -1140,14 +1140,17 @@
1140 1140  
1141 1141  00: Relays will change to an inverter state after timeout
1142 1142  
1180 +
1143 1143  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1144 1144  
1145 1145  [[image:image-20220524093831-10.png]]
1146 1146  
1185 +
1147 1147  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1148 1148  
1149 1149  Device will upload a packet if downlink code executes successfully.
1150 1150  
1190 +
1151 1151  **Example payload:**
1152 1152  
1153 1153  **~1. 05 01 11 07 D0**
... ... @@ -1167,6 +1167,7 @@
1167 1167  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1168 1168  
1169 1169  
1210 +
1170 1170  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1171 1171  
1172 1172  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1178,6 +1178,7 @@
1178 1178  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1179 1179  )))
1180 1180  
1222 +
1181 1181  * Downlink Payload (prefix 0xA5):
1182 1182  
1183 1183  (% class="box infomessage" %)
... ... @@ -1186,6 +1186,7 @@
1186 1186  )))
1187 1187  
1188 1188  
1231 +
1189 1189  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1190 1190  
1191 1191  * AT Command:
... ... @@ -1203,6 +1203,7 @@
1203 1203  
1204 1204  Bb cc dd ee: number to be set
1205 1205  
1249 +
1206 1206  * Downlink Payload (prefix 0xA8):
1207 1207  
1208 1208  (% class="box infomessage" %)
... ... @@ -1211,6 +1211,7 @@
1211 1211  )))
1212 1212  
1213 1213  
1258 +
1214 1214  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1215 1215  
1216 1216  Clear counting for counting mode
... ... @@ -1230,6 +1230,7 @@
1230 1230  )))
1231 1231  
1232 1232  
1278 +
1233 1233  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1234 1234  
1235 1235  * AT Command:
... ... @@ -1252,16 +1252,17 @@
1252 1252  
1253 1253  )))
1254 1254  
1301 +
1255 1255  == 3.5 Integrate with Mydevice ==
1256 1256  
1257 1257  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:
1258 1258  
1259 1259  (((
1260 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1307 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1261 1261  )))
1262 1262  
1263 1263  (((
1264 -**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:
1311 +(% 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:
1265 1265  )))
1266 1266  
1267 1267  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1268,12 +1268,13 @@
1268 1268  
1269 1269  [[image:image-20220524094641-11.png||height="390" width="723"]]
1270 1270  
1318 +
1271 1271  [[image:image-20220524094641-12.png||height="402" width="718"]]
1272 1272  
1273 1273  
1274 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1275 1275  
1276 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1324 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1277 1277  
1278 1278  Search under The things network
1279 1279  
... ... @@ -1280,19 +1280,25 @@
1280 1280  [[image:1653356838789-523.png||height="337" width="740"]]
1281 1281  
1282 1282  
1331 +
1283 1283  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1284 1284  
1285 1285  [[image:image-20220524094909-1.png||height="335" width="729"]]
1286 1286  
1336 +
1287 1287  [[image:image-20220524094909-2.png||height="337" width="729"]]
1288 1288  
1339 +
1289 1289  [[image:image-20220524094909-3.png||height="338" width="727"]]
1290 1290  
1342 +
1291 1291  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1292 1292  
1345 +
1293 1293  [[image:image-20220524094909-5.png||height="341" width="734"]]
1294 1294  
1295 1295  
1349 +
1296 1296  == 3.6 Interface Detail ==
1297 1297  
1298 1298  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1302,6 +1302,7 @@
1302 1302  [[image:1653356991268-289.png]]
1303 1303  
1304 1304  
1359 +
1305 1305  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1306 1306  
1307 1307  (((
... ... @@ -1327,7 +1327,7 @@
1327 1327  )))
1328 1328  
1329 1329  (((
1330 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1331 1331  )))
1332 1332  
1333 1333  (((
... ... @@ -1358,7 +1358,7 @@
1358 1358  )))
1359 1359  
1360 1360  (((
1361 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1362 1362  )))
1363 1363  
1364 1364  (((
... ... @@ -1389,7 +1389,7 @@
1389 1389  )))
1390 1390  
1391 1391  (((
1392 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1393 1393  )))
1394 1394  
1395 1395  (((
... ... @@ -1416,6 +1416,7 @@
1416 1416  )))
1417 1417  
1418 1418  
1474 +
1419 1419  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1420 1420  
1421 1421  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1423,12 +1423,14 @@
1423 1423  [[image:1653357531600-905.png]]
1424 1424  
1425 1425  
1482 +
1426 1426  === 3.6.4 Analog Input Interface ===
1427 1427  
1428 1428  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:
1429 1429  
1430 -**AC2 = (IN2 voltage )/12**
1431 1431  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1432 1432  [[image:1653357592296-182.png]]
1433 1433  
1434 1434  Example to connect a 4~~20mA sensor
... ... @@ -1435,22 +1435,24 @@
1435 1435  
1436 1436  We take the wind speed sensor as an example for reference only.
1437 1437  
1438 -Specifications of the wind speed sensor:
1439 1439  
1440 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1441 1441  
1442 -Yellow:4~~20mA
1499 +Red:  12~~24v
1443 1443  
1444 -Black:GND
1501 +Yellow:  4~~20mA
1445 1445  
1503 +Black:  GND
1446 1446  
1447 -Connection diagram:
1448 1448  
1506 +**Connection diagram:**
1507 +
1449 1449  [[image:1653357640609-758.png]]
1450 1450  
1451 1451  [[image:1653357648330-671.png||height="155" width="733"]]
1452 1452  
1453 1453  
1513 +
1454 1454  === 3.6.5 Relay Output ===
1455 1455  
1456 1456  (((
... ... @@ -1462,6 +1462,7 @@
1462 1462  [[image:image-20220524100215-10.png||height="382" width="723"]]
1463 1463  
1464 1464  
1525 +
1465 1465  == 3.7 LEDs Indicators ==
1466 1466  
1467 1467  [[image:image-20220524100748-11.png]]
... ... @@ -1475,6 +1475,7 @@
1475 1475  
1476 1476  [[image:1653358238933-385.png]]
1477 1477  
1539 +
1478 1478  (((
1479 1479  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:
1480 1480  )))
... ... @@ -1481,6 +1481,7 @@
1481 1481  
1482 1482  [[image:1653358355238-883.png]]
1483 1483  
1546 +
1484 1484  (((
1485 1485  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/]]
1486 1486  )))
... ... @@ -1671,12 +1671,16 @@
1671 1671  
1672 1672  )))
1673 1673  
1737 +
1738 +
1674 1674  == 4.2 Common AT Command Sequence ==
1675 1675  
1676 1676  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1677 1677  
1678 1678  (((
1679 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1680 1680  )))
1681 1681  
1682 1682  (((
... ... @@ -1701,7 +1701,7 @@
1701 1701  
1702 1702  
1703 1703  (((
1704 -If device already joined network:
1771 +**If device already joined network:**
1705 1705  )))
1706 1706  
1707 1707  (((
... ... @@ -1714,10 +1714,14 @@
1714 1714  
1715 1715  )))
1716 1716  
1784 +
1785 +
1717 1717  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1718 1718  
1719 1719  (((
1720 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1789 +
1790 +
1791 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1721 1721  )))
1722 1722  
1723 1723  (((
... ... @@ -1725,7 +1725,7 @@
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1729 1729  )))
1730 1730  
1731 1731  (((
... ... @@ -1733,39 +1733,41 @@
1733 1733  )))
1734 1734  
1735 1735  (((
1736 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1811 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1819 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1823 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1827 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1757 1757  )))
1758 1758  
1759 1759  (((
1760 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1831 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -(% 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.
1835 +(% 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.
1765 1765  )))
1766 1766  
1767 1767  (((
1768 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1769 1769  )))
1770 1770  
1771 1771  (((
... ... @@ -1787,6 +1787,7 @@
1787 1787  
1788 1788  )))
1789 1789  
1863 +
1790 1790  === 4.2.3 Change to Class A ===
1791 1791  
1792 1792  If sensor JOINED
... ... @@ -1798,19 +1798,25 @@
1798 1798  
1799 1799  == 5.1 How to upgrade the image? ==
1800 1800  
1875 +
1801 1801  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1802 1802  
1803 1803  * Support new features
1804 1804  * For bug fix
1805 1805  * Change LoRaWAN bands.
1881 +
1806 1806  Below shows the hardware connection for how to upload an image to the LT:
1807 -* [[image:1653359603330-121.png]]
1808 1808  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1809 1809  (((
1810 -**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]].
1811 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1812 -**Step3: **Open flashloader; choose the correct COM port to update.
1813 -**For LT-22222-L**:
1888 +(% 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]].
1889 +(% 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/]].
1890 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1891 +
1892 +
1893 +(% style="color:blue" %)**For LT-22222-L**(%%):
1814 1814  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.
1815 1815  )))
1816 1816  
... ... @@ -1820,6 +1820,7 @@
1820 1820  
1821 1821  [[image:image-20220524104033-15.png]]
1822 1822  
1903 +
1823 1823  (% 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:
1824 1824  
1825 1825  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1827,6 +1827,8 @@
1827 1827  
1828 1828  (((
1829 1829  (((
1911 +
1912 +
1830 1830  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1831 1831  )))
1832 1832  )))
... ... @@ -1833,11 +1833,11 @@
1833 1833  
1834 1834  (((
1835 1835  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1836 -
1837 -
1838 1838  )))
1839 1839  
1840 1840  (((
1922 +
1923 +
1841 1841  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1842 1842  )))
1843 1843  
... ... @@ -1850,6 +1850,8 @@
1850 1850  (((
1851 1851  (((
1852 1852  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1853 1853  )))
1854 1854  )))
1855 1855  
... ... @@ -1865,23 +1865,25 @@
1865 1865  (% 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.
1866 1866  )))
1867 1867  
1953 +
1868 1868  (((
1869 1869  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1870 1870  )))
1871 1871  
1872 1872  (((
1873 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1874 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1875 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1876 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1877 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1878 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1879 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1880 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1881 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1882 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1959 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1960 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1961 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1962 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1963 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1964 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1965 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1966 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1967 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1968 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1883 1883  )))
1884 1884  
1971 +
1885 1885  (((
1886 1886  As shown in below:
1887 1887  )))
... ... @@ -1898,11 +1898,11 @@
1898 1898  == 5.5 Can i use point to point communication for LT-22222-L? ==
1899 1899  
1900 1900  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1901 -
1902 -
1903 1903  )))
1904 1904  
1905 1905  (((
1991 +
1992 +
1906 1906  = 6. Trouble Shooting =
1907 1907  )))
1908 1908  
... ... @@ -1914,11 +1914,11 @@
1914 1914  
1915 1915  (((
1916 1916  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1917 -
1918 -
1919 1919  )))
1920 1920  
1921 1921  (((
2007 +
2008 +
1922 1922  == 6.2 Have trouble to upload image. ==
1923 1923  )))
1924 1924  
... ... @@ -1928,9 +1928,7 @@
1928 1928  
1929 1929  (((
1930 1930  
1931 -)))
1932 1932  
1933 -(((
1934 1934  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1935 1935  )))
1936 1936  
... ... @@ -1938,147 +1938,55 @@
1938 1938  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1939 1939  )))
1940 1940  
1941 -(((
1942 -
1943 -)))
1944 1944  
1945 -(((
2027 +
1946 1946  = 7. Order Info =
1947 -)))
1948 1948  
1949 -(((
1950 -(((
2030 +
1951 1951  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1952 -)))
1953 -)))
1954 1954  
1955 -(((
1956 -(((
2033 +
1957 1957  (% style="color:#4f81bd" %)**XXX:**
1958 -)))
1959 -)))
1960 1960  
1961 -(((
1962 -* (((
1963 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1964 -)))
1965 -)))
2036 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2037 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2038 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2039 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2040 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2041 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2042 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2043 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2044 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1966 1966  
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1970 -)))
1971 -)))
1972 -
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1976 -)))
1977 -)))
1978 -
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1994 -)))
1995 -)))
1996 -
1997 -(((
1998 -* (((
1999 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2000 -)))
2001 -)))
2002 -
2003 -(((
2004 -* (((
2005 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2006 -)))
2007 -)))
2008 -
2009 -(((
2010 -* (((
2011 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2012 -
2013 -
2014 -)))
2015 -
2016 2016  = 8. Packing Info =
2017 -)))
2018 2018  
2019 -(((
2020 -(((
2048 +
2021 2021  **Package Includes**:
2022 -)))
2023 -)))
2024 2024  
2025 -(((
2026 -(((
2027 2027  * LT-22222-L I/O Controller x 1
2028 2028  * Stick Antenna for LoRa RF part x 1
2029 2029  * Bracket for controller x1
2030 2030  * Program cable x 1
2031 -)))
2032 -)))
2033 2033  
2034 -(((
2035 -(((
2036 2036  **Dimension and weight**:
2037 -)))
2038 -)))
2039 2039  
2040 -(((
2041 -(((
2042 2042  * Device Size: 13.5 x 7 x 3 cm
2043 2043  * Device Weight: 105g
2044 2044  * Package Size / pcs : 14.5 x 8 x 5 cm
2045 2045  * Weight / pcs : 170g
2046 2046  
2047 -
2048 -)))
2049 -)))
2050 -
2051 -(((
2052 2052  = 9. Support =
2053 -)))
2054 2054  
2055 2055  * (((
2056 -(((
2057 2057  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.
2058 2058  )))
2059 -)))
2060 2060  * (((
2061 -(((
2062 -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
2069 +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]]
2063 2063  )))
2064 -)))
2065 2065  
2066 -(((
2067 -(((
2068 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2069 -
2070 -
2071 -)))
2072 -
2073 -(((
2074 2074  = 10. Reference​​​​​ =
2075 2075  
2076 -* Product Page:
2077 -
2078 -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]]
2079 -
2074 +* 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]]
2080 2080  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2081 2081  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2082 2082  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2083 -)))
2084 -)))

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