Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.31 >
edited by Xiaoling
on 2022/06/20 13:35
To version < 90.6 >
edited by Xiaoling
on 2022/08/18 12:00
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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -181,8 +181,11 @@
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
186 +
187 +
184 184  == 1.4  Applications ==
185 185  
190 +
186 186  * Smart Buildings & Home Automation
187 187  * Logistics and Supply Chain Management
188 188  * Smart Metering
... ... @@ -190,8 +190,11 @@
190 190  * Smart Cities
191 191  * Smart Factory
192 192  
198 +
199 +
193 193  == 1.5 Hardware Variants ==
194 194  
202 +
195 195  (% border="1" style="background-color:#f7faff; width:500px" %)
196 196  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
197 197  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -204,9 +204,9 @@
204 204  )))
205 205  
206 206  
207 -
208 208  = 2. Power ON Device =
209 209  
217 +
210 210  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.
211 211  
212 212  (((
... ... @@ -221,19 +221,24 @@
221 221  
222 222  == 3.1 How it works? ==
223 223  
232 +
224 224  (((
225 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
234 +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. 
226 226  )))
227 227  
228 228  (((
229 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
238 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
230 230  )))
231 231  
232 232  
242 +
233 233  == 3.2 Example to join LoRaWAN network ==
234 234  
245 +
235 235  (((
236 236  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. 
248 +
249 +
237 237  )))
238 238  
239 239  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -241,6 +241,8 @@
241 241  
242 242  (((
243 243  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:
257 +
258 +
244 244  )))
245 245  
246 246  (((
... ... @@ -266,6 +266,7 @@
266 266  [[image:1653298023685-319.png]]
267 267  
268 268  
284 +
269 269  (((
270 270  (% 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.
271 271  )))
... ... @@ -276,17 +276,21 @@
276 276  
277 277  == 3.3 Uplink Payload ==
278 278  
295 +
279 279  There are five working modes + one interrupt mode on LT for different type application:
280 280  
281 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282 -* **MOD2**: Double DI Counting + DO + RO
283 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
298 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
299 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
300 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
301 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
302 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
303 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
305 +
306 +
288 288  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289 289  
309 +
290 290  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
291 291  
292 292  [[image:image-20220523174024-3.png]]
... ... @@ -338,6 +338,8 @@
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  
361 +
362 +
341 341  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
342 342  
343 343  
... ... @@ -406,11 +406,14 @@
406 406  
407 407  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
408 408  
431 +
409 409  **LT22222-L**: This mode the DI1 is used as a counting pin.
410 410  
411 411  [[image:image-20220523181246-5.png]]
412 412  
413 413  (((
437 +
438 +
414 414  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
415 415  )))
416 416  
... ... @@ -424,6 +424,7 @@
424 424  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
425 425  )))
426 426  
452 +
427 427  (((
428 428  **To use counting mode, please run:**
429 429  )))
... ... @@ -556,8 +556,8 @@
556 556  
557 557  For example, if user has configured below commands:
558 558  
559 -* **AT+MOD=1 ** **~-~->** The normal working mode
560 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
561 561  
562 562  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
563 563  
... ... @@ -564,9 +564,9 @@
564 564  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
565 565  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.**
566 566  
567 -
568 568  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
569 569  
595 +
570 570  (% style="color:#4f81bd" %)**Trigger base on voltage**:
571 571  
572 572  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -688,14 +688,14 @@
688 688  (((
689 689  
690 690  
691 -**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/]]
692 -
693 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
694 694  )))
695 695  
696 696  
721 +
697 697  == 3.4 ​Configure LT via AT or Downlink ==
698 698  
724 +
699 699  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
700 700  
701 701  (((
... ... @@ -706,8 +706,12 @@
706 706  
707 707  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
708 708  
735 +
736 +
737 +
709 709  === 3.4.1 Common Commands ===
710 710  
740 +
711 711  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]]
712 712  
713 713  
... ... @@ -714,8 +714,10 @@
714 714  
715 715  === 3.4.2 Sensor related commands ===
716 716  
747 +
717 717  ==== 3.4.2.1 Set Transmit Interval ====
718 718  
750 +
719 719  Set device uplink interval.
720 720  
721 721  * (% style="color:#037691" %)**AT Command:**
... ... @@ -735,6 +735,7 @@
735 735  
736 736  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
737 737  
770 +
738 738  Set work mode.
739 739  
740 740  * (% style="color:#037691" %)**AT Command:**
... ... @@ -747,7 +747,7 @@
747 747  
748 748  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
749 749  
750 -(% style="color:#037691" %)**​​​​​​​**(%%)**0x0A aa    ** ~/~/ Same as AT+MOD=aa
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
751 751  
752 752  
753 753  
... ... @@ -754,6 +754,7 @@
754 754  
755 755  ==== 3.4.2.3 Poll an uplink ====
756 756  
790 +
757 757  * (% style="color:#037691" %)**AT Command:**
758 758  
759 759  There is no AT Command to poll uplink
... ... @@ -767,16 +767,15 @@
767 767  
768 768  
769 769  
804 +
770 770  ==== 3.4.2.4 Enable Trigger Mode ====
771 771  
807 +
772 772  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
773 773  
774 -* (% style="color:#037691" %)AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
775 775  
776 -(% class="box infomessage" %)
777 -(((
778 778  **AT+ADDMOD6=1 or 0**
779 -)))
780 780  
781 781  1: Enable Trigger Mode
782 782  
... ... @@ -783,38 +783,36 @@
783 783  0: Disable Trigger Mode
784 784  
785 785  
786 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
787 787  
788 -(% class="box infomessage" %)
789 -(((
790 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
791 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
792 792  
793 793  
794 794  
825 +
795 795  ==== 3.4.2.5 Poll trigger settings ====
796 796  
828 +
797 797  Poll trigger settings,
798 798  
799 -* (% style="color:#037691" %)AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
800 800  
801 801  There is no AT Command for this feature.
802 802  
803 803  
804 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
805 805  
806 -(% class="box infomessage" %)
807 -(((
808 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
809 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
810 810  
811 811  
812 812  
842 +
813 813  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
814 814  
845 +
815 815  Enable Disable DI1/DI2/DI2 as trigger,
816 816  
817 -* (% style="color:#037691" %)AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
818 818  
819 819  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
820 820  
... ... @@ -823,7 +823,7 @@
823 823  
824 824  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
825 825  
826 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
827 827  
828 828  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
829 829  
... ... @@ -832,9 +832,10 @@
832 832  
833 833  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
834 834  
866 +
835 835  Set DI1 or DI3(for LT-33222-L) trigger.
836 836  
837 -* (% style="color:#037691" %)AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
838 838  
839 839  **AT+TRIG1=a,b**
840 840  
... ... @@ -852,8 +852,10 @@
852 852  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
853 853  
854 854  
887 +
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
890 +
857 857  Set DI2 trigger.
858 858  
859 859  * (% style="color:#037691" %)**AT Command:**
... ... @@ -880,6 +880,7 @@
880 880  
881 881  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
882 882  
917 +
883 883  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
884 884  
885 885  * (% style="color:#037691" %)**AT Command**
... ... @@ -896,6 +896,7 @@
896 896  
897 897  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
898 898  
934 +
899 899  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
900 900  
901 901  * (% style="color:#037691" %)**AT Command**
... ... @@ -912,11 +912,12 @@
912 912  
913 913  ==== 3.4.2.11 Trigger – Set minimum interval ====
914 914  
915 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
916 916  
952 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
953 +
917 917  * (% style="color:#037691" %)**AT Command**
918 918  
919 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
920 920  
921 921  
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -923,11 +923,18 @@
923 923  
924 924  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
925 925  
963 +(((
964 +
926 926  
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
967 +)))
927 927  
928 928  
970 +
971 +
929 929  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930 930  
974 +
931 931  * (% style="color:#037691" %)**AT Command**
932 932  
933 933  There is no AT Command to control Digital Output
... ... @@ -959,6 +959,7 @@
959 959  
960 960  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
961 961  
1006 +
962 962  * (% style="color:#037691" %)**AT Command**
963 963  
964 964  There is no AT Command to control Digital Output
... ... @@ -1025,6 +1025,7 @@
1025 1025  
1026 1026  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1027 1027  
1073 +
1028 1028  * (% style="color:#037691" %)**AT Command:**
1029 1029  
1030 1030  There is no AT Command to control Relay Output
... ... @@ -1054,6 +1054,7 @@
1054 1054  
1055 1055  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1056 1056  
1103 +
1057 1057  * (% style="color:#037691" %)**AT Command:**
1058 1058  
1059 1059  There is no AT Command to control Relay Output
... ... @@ -1077,7 +1077,7 @@
1077 1077  
1078 1078  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1079 1079  
1080 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1081 1081  
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1087,21 +1087,21 @@
1087 1087  
1088 1088  **Example payload:**
1089 1089  
1090 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1091 1091  
1092 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1139 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1093 1093  
1094 1094  **2. 05 01 10 07 D0**
1095 1095  
1096 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1143 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1097 1097  
1098 1098  **3. 05 00 01 07 D0**
1099 1099  
1100 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1147 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1101 1101  
1102 1102  **4. 05 00 00 07 D0**
1103 1103  
1104 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1151 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1105 1105  
1106 1106  
1107 1107  
... ... @@ -1108,6 +1108,7 @@
1108 1108  
1109 1109  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1110 1110  
1158 +
1111 1111  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1112 1112  
1113 1113  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1124,9 +1124,10 @@
1124 1124  
1125 1125  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1126 1126  
1175 +
1127 1127  * (% style="color:#037691" %)**AT Command:**
1128 1128  
1129 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1130 1130  
1131 1131  aa: 1: Set count1,
1132 1132  
... ... @@ -1146,11 +1146,12 @@
1146 1146  
1147 1147  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1148 1148  
1198 +
1149 1149  Clear counting for counting mode
1150 1150  
1151 1151  * (% style="color:#037691" %)**AT Command:**
1152 1152  
1153 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1154 1154  
1155 1155  
1156 1156  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1162,6 +1162,7 @@
1162 1162  
1163 1163  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1164 1164  
1215 +
1165 1165  * (% style="color:#037691" %)**AT Command:**
1166 1166  
1167 1167  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1181,6 +1181,7 @@
1181 1181  
1182 1182  == 3.5 Integrate with Mydevice ==
1183 1183  
1235 +
1184 1184  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:
1185 1185  
1186 1186  (((
... ... @@ -1189,14 +1189,15 @@
1189 1189  
1190 1190  (((
1191 1191  (% 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:
1244 +
1245 +
1192 1192  )))
1193 1193  
1194 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1195 1195  
1196 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1197 1197  
1198 1198  
1199 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1200 1200  
1201 1201  
1202 1202  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1229,8 +1229,10 @@
1229 1229  
1230 1230  == 3.6 Interface Detail ==
1231 1231  
1285 +
1232 1232  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1233 1233  
1288 +
1234 1234  Support NPN Type sensor
1235 1235  
1236 1236  [[image:1653356991268-289.png]]
... ... @@ -1239,6 +1239,7 @@
1239 1239  
1240 1240  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1241 1241  
1297 +
1242 1242  (((
1243 1243  The DI port of LT-22222-L can support NPN or PNP output sensor.
1244 1244  )))
... ... @@ -1245,7 +1245,9 @@
1245 1245  
1246 1246  (((
1247 1247  (((
1248 -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
1304 +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.
1305 +
1306 +
1249 1249  )))
1250 1250  )))
1251 1251  
... ... @@ -1290,6 +1290,8 @@
1290 1290  
1291 1291  (((
1292 1292  
1351 +
1352 +
1293 1293  )))
1294 1294  
1295 1295  (((
... ... @@ -1321,6 +1321,8 @@
1321 1321  
1322 1322  (((
1323 1323  
1384 +
1385 +
1324 1324  )))
1325 1325  
1326 1326  (((
... ... @@ -1354,6 +1354,7 @@
1354 1354  
1355 1355  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1356 1356  
1419 +
1357 1357  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1358 1358  
1359 1359  [[image:1653357531600-905.png]]
... ... @@ -1362,6 +1362,7 @@
1362 1362  
1363 1363  === 3.6.4 Analog Input Interface ===
1364 1364  
1428 +
1365 1365  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:
1366 1366  
1367 1367  
... ... @@ -1393,6 +1393,7 @@
1393 1393  
1394 1394  === 3.6.5 Relay Output ===
1395 1395  
1460 +
1396 1396  (((
1397 1397  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:
1398 1398  )))
... ... @@ -1405,13 +1405,17 @@
1405 1405  
1406 1406  == 3.7 LEDs Indicators ==
1407 1407  
1473 +
1408 1408  [[image:image-20220524100748-11.png]]
1409 1409  
1410 1410  
1477 +
1411 1411  = 4. Use AT Command =
1412 1412  
1480 +
1413 1413  == 4.1 Access AT Command ==
1414 1414  
1483 +
1415 1415  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.
1416 1416  
1417 1417  [[image:1653358238933-385.png]]
... ... @@ -1610,8 +1610,6 @@
1610 1610  
1611 1611  (((
1612 1612  AT+CFG: Print all settings
1613 -
1614 -
1615 1615  )))
1616 1616  
1617 1617  
... ... @@ -1618,6 +1618,7 @@
1618 1618  
1619 1619  == 4.2 Common AT Command Sequence ==
1620 1620  
1688 +
1621 1621  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1622 1622  
1623 1623  (((
... ... @@ -1657,8 +1657,6 @@
1657 1657  
1658 1658  (((
1659 1659  (% style="background-color:#dcdcdc" %)ATZ
1660 -
1661 -
1662 1662  )))
1663 1663  
1664 1664  
... ... @@ -1743,13 +1743,16 @@
1743 1743  
1744 1744  === 4.2.3 Change to Class A ===
1745 1745  
1812 +
1746 1746  If sensor JOINED
1747 1747  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1748 1748  ATZ
1749 1749  
1750 1750  
1818 +
1751 1751  = 5. FAQ =
1752 1752  
1821 +
1753 1753  == 5.1 How to upgrade the image? ==
1754 1754  
1755 1755  
... ... @@ -1771,7 +1771,9 @@
1771 1771  
1772 1772  
1773 1773  (% style="color:blue" %)**For LT-22222-L**(%%):
1774 -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.
1843 +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.
1844 +
1845 +
1775 1775  )))
1776 1776  
1777 1777   [[image:image-20220524103407-12.png]]
... ... @@ -1783,6 +1783,7 @@
1783 1783  
1784 1784  (% 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:
1785 1785  
1857 +
1786 1786  [[image:1653360054704-518.png||height="186" width="745"]]
1787 1787  
1788 1788  
... ... @@ -1791,6 +1791,8 @@
1791 1791  
1792 1792  
1793 1793  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1794 1794  )))
1795 1795  )))
1796 1796  
... ... @@ -1801,7 +1801,10 @@
1801 1801  (((
1802 1802  
1803 1803  
1878 +
1804 1804  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1805 1805  )))
1806 1806  
1807 1807  (((
... ... @@ -1819,7 +1819,7 @@
1819 1819  )))
1820 1820  
1821 1821  (((
1822 -(% 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.
1899 +(% style="color:blue" %)**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.
1823 1823  )))
1824 1824  
1825 1825  (((
... ... @@ -1827,12 +1827,12 @@
1827 1827  )))
1828 1828  
1829 1829  (((
1830 -(% 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.
1907 +(% 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.**
1831 1831  )))
1832 1832  
1833 1833  
1834 1834  (((
1835 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1912 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1836 1836  )))
1837 1837  
1838 1838  (((
... ... @@ -1856,20 +1856,28 @@
1856 1856  [[image:1653360498588-932.png||height="485" width="726"]]
1857 1857  
1858 1858  
1936 +
1859 1859  == 5.4 Can I see counting event in Serial? ==
1860 1860  
1939 +
1861 1861  (((
1862 -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.
1941 +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.
1863 1863  
1864 1864  
1944 +
1865 1865  == 5.5 Can i use point to point communication for LT-22222-L? ==
1866 1866  
1947 +
1867 1867  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1868 1868  )))
1869 1869  
1870 1870  (((
1871 1871  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1872 1872  
1957 +
1873 1873  If the device is not shut down, but directly powered off.
1874 1874  
1875 1875  It will default that this is a power-off state.
... ... @@ -1878,12 +1878,16 @@
1878 1878  
1879 1879  After restart, the status before power failure will be read from flash.
1880 1880  
1966 +
1967 +
1881 1881  = 6. Trouble Shooting =
1882 1882  )))
1883 1883  
1884 1884  (((
1885 1885  (((
1886 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1887 1887  )))
1888 1888  )))
1889 1889  
... ... @@ -1894,7 +1894,10 @@
1894 1894  (((
1895 1895  
1896 1896  
1986 +
1897 1897  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1898 1898  )))
1899 1899  
1900 1900  (((
... ... @@ -1904,7 +1904,10 @@
1904 1904  (((
1905 1905  
1906 1906  
1907 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1999 +
2000 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 +
2002 +
1908 1908  )))
1909 1909  
1910 1910  (((
... ... @@ -1918,19 +1918,21 @@
1918 1918  
1919 1919  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 1920  
1921 -
1922 1922  (% style="color:#4f81bd" %)**XXX:**
1923 1923  
1924 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1925 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1926 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1927 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1928 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1929 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1930 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1931 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1932 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2018 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2019 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2020 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2021 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2022 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2023 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2024 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2025 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2026 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1933 1933  
2028 +
2029 +
2030 +
1934 1934  = 8. Packing Info =
1935 1935  
1936 1936  
... ... @@ -1948,18 +1948,29 @@
1948 1948  * Package Size / pcs : 14.5 x 8 x 5 cm
1949 1949  * Weight / pcs : 170g
1950 1950  
2048 +
2049 +
2050 +
1951 1951  = 9. Support =
1952 1952  
2053 +
1953 1953  * (((
1954 1954  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.
1955 1955  )))
1956 1956  * (((
1957 1957  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]]
2059 +
2060 +
2061 +
2062 +
2063 +
1958 1958  )))
1959 1959  
1960 1960  = 10. Reference​​​​​ =
1961 1961  
2068 +
1962 1962  * 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]]
1963 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1964 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2070 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1965 1965  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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