Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.30 >
edited by Xiaoling
on 2022/06/20 13:34
To version < 90.7 >
edited by Xiaoling
on 2022/08/18 13:38
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Summary

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... ... @@ -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:**
... ... @@ -747,41 +747,36 @@
747 747  
748 748  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
749 749  
750 -(% class="box infomessage" %)
751 -(((
752 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
753 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
754 754  
755 755  
756 756  
787 +
757 757  ==== 3.4.2.3 Poll an uplink ====
758 758  
759 -* (% style="color:#037691" %)AT Command:
760 760  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
761 761  There is no AT Command to poll uplink
762 762  
763 763  
764 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
765 765  
766 -(% class="box infomessage" %)
767 -(((
768 -**0x08 FF     ~/~/ Poll an uplink,**
769 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
770 770  
771 771  **Example**: 0x08FF, ask device to send an Uplink
772 772  
773 773  
774 774  
804 +
775 775  ==== 3.4.2.4 Enable Trigger Mode ====
776 776  
807 +
777 777  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
778 778  
779 -* (% style="color:#037691" %)AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
780 780  
781 -(% class="box infomessage" %)
782 -(((
783 783  **AT+ADDMOD6=1 or 0**
784 -)))
785 785  
786 786  1: Enable Trigger Mode
787 787  
... ... @@ -788,38 +788,36 @@
788 788  0: Disable Trigger Mode
789 789  
790 790  
791 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
792 792  
793 -(% class="box infomessage" %)
794 -(((
795 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
796 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
797 797  
798 798  
799 799  
825 +
800 800  ==== 3.4.2.5 Poll trigger settings ====
801 801  
828 +
802 802  Poll trigger settings,
803 803  
804 -* (% style="color:#037691" %)AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
805 805  
806 806  There is no AT Command for this feature.
807 807  
808 808  
809 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
810 810  
811 -(% class="box infomessage" %)
812 -(((
813 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
814 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
815 815  
816 816  
817 817  
842 +
818 818  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
819 819  
845 +
820 820  Enable Disable DI1/DI2/DI2 as trigger,
821 821  
822 -* (% style="color:#037691" %)AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
823 823  
824 824  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
825 825  
... ... @@ -828,7 +828,7 @@
828 828  
829 829  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
830 830  
831 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
832 832  
833 833  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
834 834  
... ... @@ -837,9 +837,10 @@
837 837  
838 838  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
839 839  
866 +
840 840  Set DI1 or DI3(for LT-33222-L) trigger.
841 841  
842 -* (% style="color:#037691" %)AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
843 843  
844 844  **AT+TRIG1=a,b**
845 845  
... ... @@ -857,8 +857,10 @@
857 857  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
858 858  
859 859  
887 +
860 860  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
861 861  
890 +
862 862  Set DI2 trigger.
863 863  
864 864  * (% style="color:#037691" %)**AT Command:**
... ... @@ -885,6 +885,7 @@
885 885  
886 886  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
887 887  
917 +
888 888  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
889 889  
890 890  * (% style="color:#037691" %)**AT Command**
... ... @@ -901,6 +901,7 @@
901 901  
902 902  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
903 903  
934 +
904 904  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
905 905  
906 906  * (% style="color:#037691" %)**AT Command**
... ... @@ -917,11 +917,12 @@
917 917  
918 918  ==== 3.4.2.11 Trigger – Set minimum interval ====
919 919  
920 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
921 921  
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 +
922 922  * (% style="color:#037691" %)**AT Command**
923 923  
924 -**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.
925 925  
926 926  
927 927  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -928,11 +928,18 @@
928 928  
929 929  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
930 930  
963 +(((
964 +
931 931  
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
967 +)))
932 932  
933 933  
970 +
971 +
934 934  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
935 935  
974 +
936 936  * (% style="color:#037691" %)**AT Command**
937 937  
938 938  There is no AT Command to control Digital Output
... ... @@ -964,6 +964,7 @@
964 964  
965 965  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
966 966  
1006 +
967 967  * (% style="color:#037691" %)**AT Command**
968 968  
969 969  There is no AT Command to control Digital Output
... ... @@ -1030,6 +1030,7 @@
1030 1030  
1031 1031  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1032 1032  
1073 +
1033 1033  * (% style="color:#037691" %)**AT Command:**
1034 1034  
1035 1035  There is no AT Command to control Relay Output
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1061 1061  
1103 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1082,7 +1082,7 @@
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1084 1084  
1085 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1086 1086  
1087 1087  
1088 1088  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1092,21 +1092,21 @@
1092 1092  
1093 1093  **Example payload:**
1094 1094  
1095 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1096 1096  
1097 -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.
1098 1098  
1099 1099  **2. 05 01 10 07 D0**
1100 1100  
1101 -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.
1102 1102  
1103 1103  **3. 05 00 01 07 D0**
1104 1104  
1105 -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.
1106 1106  
1107 1107  **4. 05 00 00 07 D0**
1108 1108  
1109 -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.
1110 1110  
1111 1111  
1112 1112  
... ... @@ -1113,6 +1113,7 @@
1113 1113  
1114 1114  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1115 1115  
1158 +
1116 1116  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1117 1117  
1118 1118  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1129,9 +1129,10 @@
1129 1129  
1130 1130  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1131 1131  
1175 +
1132 1132  * (% style="color:#037691" %)**AT Command:**
1133 1133  
1134 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1135 1135  
1136 1136  aa: 1: Set count1,
1137 1137  
... ... @@ -1151,11 +1151,12 @@
1151 1151  
1152 1152  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1153 1153  
1198 +
1154 1154  Clear counting for counting mode
1155 1155  
1156 1156  * (% style="color:#037691" %)**AT Command:**
1157 1157  
1158 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1159 1159  
1160 1160  
1161 1161  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1167,6 +1167,7 @@
1167 1167  
1168 1168  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1169 1169  
1215 +
1170 1170  * (% style="color:#037691" %)**AT Command:**
1171 1171  
1172 1172  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1186,6 +1186,7 @@
1186 1186  
1187 1187  == 3.5 Integrate with Mydevice ==
1188 1188  
1235 +
1189 1189  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:
1190 1190  
1191 1191  (((
... ... @@ -1194,14 +1194,15 @@
1194 1194  
1195 1195  (((
1196 1196  (% 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 +
1197 1197  )))
1198 1198  
1199 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1200 1200  
1201 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1202 1202  
1203 1203  
1204 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1205 1205  
1206 1206  
1207 1207  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1234,8 +1234,10 @@
1234 1234  
1235 1235  == 3.6 Interface Detail ==
1236 1236  
1285 +
1237 1237  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1238 1238  
1288 +
1239 1239  Support NPN Type sensor
1240 1240  
1241 1241  [[image:1653356991268-289.png]]
... ... @@ -1244,6 +1244,7 @@
1244 1244  
1245 1245  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1246 1246  
1297 +
1247 1247  (((
1248 1248  The DI port of LT-22222-L can support NPN or PNP output sensor.
1249 1249  )))
... ... @@ -1250,7 +1250,9 @@
1250 1250  
1251 1251  (((
1252 1252  (((
1253 -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 +
1254 1254  )))
1255 1255  )))
1256 1256  
... ... @@ -1295,6 +1295,8 @@
1295 1295  
1296 1296  (((
1297 1297  
1351 +
1352 +
1298 1298  )))
1299 1299  
1300 1300  (((
... ... @@ -1326,6 +1326,8 @@
1326 1326  
1327 1327  (((
1328 1328  
1384 +
1385 +
1329 1329  )))
1330 1330  
1331 1331  (((
... ... @@ -1359,6 +1359,7 @@
1359 1359  
1360 1360  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1361 1361  
1419 +
1362 1362  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1363 1363  
1364 1364  [[image:1653357531600-905.png]]
... ... @@ -1367,6 +1367,7 @@
1367 1367  
1368 1368  === 3.6.4 Analog Input Interface ===
1369 1369  
1428 +
1370 1370  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:
1371 1371  
1372 1372  
... ... @@ -1398,6 +1398,7 @@
1398 1398  
1399 1399  === 3.6.5 Relay Output ===
1400 1400  
1460 +
1401 1401  (((
1402 1402  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:
1403 1403  )))
... ... @@ -1410,13 +1410,17 @@
1410 1410  
1411 1411  == 3.7 LEDs Indicators ==
1412 1412  
1473 +
1413 1413  [[image:image-20220524100748-11.png]]
1414 1414  
1415 1415  
1477 +
1416 1416  = 4. Use AT Command =
1417 1417  
1480 +
1418 1418  == 4.1 Access AT Command ==
1419 1419  
1483 +
1420 1420  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.
1421 1421  
1422 1422  [[image:1653358238933-385.png]]
... ... @@ -1615,8 +1615,6 @@
1615 1615  
1616 1616  (((
1617 1617  AT+CFG: Print all settings
1618 -
1619 -
1620 1620  )))
1621 1621  
1622 1622  
... ... @@ -1623,6 +1623,7 @@
1623 1623  
1624 1624  == 4.2 Common AT Command Sequence ==
1625 1625  
1688 +
1626 1626  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1627 1627  
1628 1628  (((
... ... @@ -1662,8 +1662,6 @@
1662 1662  
1663 1663  (((
1664 1664  (% style="background-color:#dcdcdc" %)ATZ
1665 -
1666 -
1667 1667  )))
1668 1668  
1669 1669  
... ... @@ -1748,13 +1748,16 @@
1748 1748  
1749 1749  === 4.2.3 Change to Class A ===
1750 1750  
1812 +
1751 1751  If sensor JOINED
1752 1752  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1753 1753  ATZ
1754 1754  
1755 1755  
1818 +
1756 1756  = 5. FAQ =
1757 1757  
1821 +
1758 1758  == 5.1 How to upgrade the image? ==
1759 1759  
1760 1760  
... ... @@ -1776,7 +1776,9 @@
1776 1776  
1777 1777  
1778 1778  (% style="color:blue" %)**For LT-22222-L**(%%):
1779 -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 +
1780 1780  )))
1781 1781  
1782 1782   [[image:image-20220524103407-12.png]]
... ... @@ -1788,6 +1788,7 @@
1788 1788  
1789 1789  (% 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:
1790 1790  
1857 +
1791 1791  [[image:1653360054704-518.png||height="186" width="745"]]
1792 1792  
1793 1793  
... ... @@ -1796,6 +1796,8 @@
1796 1796  
1797 1797  
1798 1798  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1799 1799  )))
1800 1800  )))
1801 1801  
... ... @@ -1806,7 +1806,10 @@
1806 1806  (((
1807 1807  
1808 1808  
1878 +
1809 1809  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1810 1810  )))
1811 1811  
1812 1812  (((
... ... @@ -1824,7 +1824,7 @@
1824 1824  )))
1825 1825  
1826 1826  (((
1827 -(% 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.
1828 1828  )))
1829 1829  
1830 1830  (((
... ... @@ -1832,12 +1832,12 @@
1832 1832  )))
1833 1833  
1834 1834  (((
1835 -(% 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.**
1836 1836  )))
1837 1837  
1838 1838  
1839 1839  (((
1840 -(% 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:
1841 1841  )))
1842 1842  
1843 1843  (((
... ... @@ -1861,20 +1861,28 @@
1861 1861  [[image:1653360498588-932.png||height="485" width="726"]]
1862 1862  
1863 1863  
1936 +
1864 1864  == 5.4 Can I see counting event in Serial? ==
1865 1865  
1939 +
1866 1866  (((
1867 -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.
1868 1868  
1869 1869  
1944 +
1870 1870  == 5.5 Can i use point to point communication for LT-22222-L? ==
1871 1871  
1947 +
1872 1872  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1873 1873  )))
1874 1874  
1875 1875  (((
1876 1876  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1877 1877  
1957 +
1878 1878  If the device is not shut down, but directly powered off.
1879 1879  
1880 1880  It will default that this is a power-off state.
... ... @@ -1883,12 +1883,16 @@
1883 1883  
1884 1884  After restart, the status before power failure will be read from flash.
1885 1885  
1966 +
1967 +
1886 1886  = 6. Trouble Shooting =
1887 1887  )))
1888 1888  
1889 1889  (((
1890 1890  (((
1891 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1892 1892  )))
1893 1893  )))
1894 1894  
... ... @@ -1899,7 +1899,10 @@
1899 1899  (((
1900 1900  
1901 1901  
1986 +
1902 1902  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1909,7 +1909,10 @@
1909 1909  (((
1910 1910  
1911 1911  
1912 -== 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 +
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1923,19 +1923,21 @@
1923 1923  
1924 1924  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1925 1925  
1926 -
1927 1927  (% style="color:#4f81bd" %)**XXX:**
1928 1928  
1929 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1930 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1931 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1932 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1933 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1934 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1935 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1936 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1937 -* (% 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
1938 1938  
2028 +
2029 +
2030 +
1939 1939  = 8. Packing Info =
1940 1940  
1941 1941  
... ... @@ -1953,18 +1953,29 @@
1953 1953  * Package Size / pcs : 14.5 x 8 x 5 cm
1954 1954  * Weight / pcs : 170g
1955 1955  
2048 +
2049 +
2050 +
1956 1956  = 9. Support =
1957 1957  
2053 +
1958 1958  * (((
1959 1959  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.
1960 1960  )))
1961 1961  * (((
1962 1962  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 +
1963 1963  )))
1964 1964  
1965 1965  = 10. Reference​​​​​ =
1966 1966  
2068 +
1967 1967  * 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]]
1968 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1969 -* [[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]]
1970 1970  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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