Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -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:** ... ... @@ -37,11 +37,13 @@ 37 37 ))) 38 38 39 39 ((( 40 -1) If user ’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.39 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless. 41 41 ))) 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 ... ... @@ -182,9 +182,9 @@ 182 182 * Counting 183 183 184 184 185 - 186 186 == 1.4 Applications == 187 187 189 + 188 188 * Smart Buildings & Home Automation 189 189 * Logistics and Supply Chain Management 190 190 * Smart Metering ... ... @@ -193,9 +193,9 @@ 193 193 * Smart Factory 194 194 195 195 196 - 197 197 == 1.5 Hardware Variants == 198 198 200 + 199 199 (% border="1" style="background-color:#f7faff; width:500px" %) 200 200 |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description** 201 201 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)((( ... ... @@ -207,9 +207,9 @@ 207 207 * 1 x Counting Port 208 208 ))) 209 209 210 - 211 211 = 2. Power ON Device = 212 212 214 + 213 213 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. 214 214 215 215 ((( ... ... @@ -224,19 +224,24 @@ 224 224 225 225 == 3.1 How it works? == 226 226 229 + 227 227 ((( 228 -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.231 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 229 229 ))) 230 230 231 231 ((( 232 -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.235 +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. 233 233 ))) 234 234 235 235 239 + 236 236 == 3.2 Example to join LoRaWAN network == 237 237 242 + 238 238 ((( 239 239 This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 245 + 246 + 240 240 ))) 241 241 242 242 [[image:image-20220523172350-1.png||height="266" width="864"]] ... ... @@ -244,6 +244,8 @@ 244 244 245 245 ((( 246 246 The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN: 254 + 255 + 247 247 ))) 248 248 249 249 ((( ... ... @@ -269,6 +269,7 @@ 269 269 [[image:1653298023685-319.png]] 270 270 271 271 281 + 272 272 ((( 273 273 (% 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. 274 274 ))) ... ... @@ -279,19 +279,20 @@ 279 279 280 280 == 3.3 Uplink Payload == 281 281 292 + 282 282 There are five working modes + one interrupt mode on LT for different type application: 283 283 284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO 285 -* **MOD2**: Double DI Counting + DO + RO 286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO 287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO 288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 295 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO 296 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO 297 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO 298 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO 299 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 300 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 290 290 291 291 292 - 293 293 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 294 294 305 + 295 295 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 296 296 297 297 [[image:image-20220523174024-3.png]] ... ... @@ -344,7 +344,6 @@ 344 344 ** DO1 LED is off in both case 345 345 346 346 347 - 348 348 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 349 349 350 350 ... ... @@ -394,34 +394,33 @@ 394 394 395 395 ((( 396 396 **For LT22222-L:** 397 -))) 398 398 399 -(% class="box infomessage" %) 400 -((( 401 -((( 402 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 403 403 404 -**AT+TRIG1= 1,100(set DI1 port to trigger onhighlevel, valid signal is 100ms409 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (set DI1 port to trigger on low level, valid signal is 100ms) ** 405 405 406 -**AT+TRIG 2=0,100 (set DI2port to trigger onlowlevel, valid signal is 100ms) **411 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (set DI1 port to trigger on high level, valid signal is 100ms ) ** 407 407 408 -**AT+TRIG2= 1,100 (set DI2 port to trigger onhighlevel, valid signal is 100ms413 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (set DI2 port to trigger on low level, valid signal is 100ms) ** 409 409 410 -**AT+ SETCNT=1,60SetCOUNT1valueto60)**415 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (set DI2 port to trigger on high level, valid signal is 100ms ) ** 411 411 412 -**AT+SETCNT=2,60 (Set COUNT2 value to 60)** 417 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (Set COUNT1 value to 60)** 418 + 419 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)** (Set COUNT2 value to 60)** 413 413 ))) 414 -))) 415 415 416 416 417 417 418 418 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 419 419 426 + 420 420 **LT22222-L**: This mode the DI1 is used as a counting pin. 421 421 422 422 [[image:image-20220523181246-5.png]] 423 423 424 424 ((( 432 + 433 + 425 425 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 426 426 ))) 427 427 ... ... @@ -435,6 +435,7 @@ 435 435 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 436 436 ))) 437 437 447 + 438 438 ((( 439 439 **To use counting mode, please run:** 440 440 ))) ... ... @@ -503,22 +503,19 @@ 503 503 504 504 505 505 **Plus below command for AVI1 Counting:** 506 -))) 507 507 508 -(% class="box infomessage" %) 509 -((( 510 -((( 511 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 512 512 513 -(% style="color:blue" %)**AT+ VOLMAX=20000**(%%)**(IfAVI1voltagehigherthanVOLMAX(20000mV=20v), counterincrease1)**518 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 514 514 515 -(% style="color:blue" %)**AT+VOLMAX=20000 ,0**(%%)**lower than VOLMAX (20000mV =20v), counter increase 1)**520 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 516 516 517 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 522 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 523 + 524 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 518 518 ))) 519 -))) 520 520 521 521 528 + 522 522 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 523 523 524 524 ... ... @@ -570,8 +570,8 @@ 570 570 571 571 For example, if user has configured below commands: 572 572 573 -* **AT+MOD=1 ** **~-~->** The normal working mode 574 -* **AT+ADDMOD6=1** **~-~->** Enable trigger 580 +* **AT+MOD=1 ** **~-~->** The normal working mode 581 +* **AT+ADDMOD6=1** **~-~->** Enable trigger 575 575 576 576 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 577 577 ... ... @@ -580,6 +580,7 @@ 580 580 581 581 (% style="color:#037691" %)**AT Command to set Trigger Condition**: 582 582 590 + 583 583 (% style="color:#4f81bd" %)**Trigger base on voltage**: 584 584 585 585 Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH> ... ... @@ -701,14 +701,14 @@ 701 701 ((( 702 702 703 703 704 -**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/]] 705 - 706 - 712 +**Decoder for TTN/loraserver/ChirpStack**: [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]] 707 707 ))) 708 708 709 709 716 + 710 710 == 3.4 Configure LT via AT or Downlink == 711 711 719 + 712 712 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 713 713 714 714 ((( ... ... @@ -723,6 +723,7 @@ 723 723 724 724 === 3.4.1 Common Commands === 725 725 734 + 726 726 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]] 727 727 728 728 ... ... @@ -729,80 +729,72 @@ 729 729 730 730 === 3.4.2 Sensor related commands === 731 731 741 + 732 732 ==== 3.4.2.1 Set Transmit Interval ==== 733 733 744 + 734 734 Set device uplink interval. 735 735 736 736 * (% style="color:#037691" %)**AT Command:** 737 737 738 -(% class="box infomessage" %) 739 -((( 740 740 **AT+TDC=N ** 741 -))) 742 742 751 + 743 743 **Example: **AT+TDC=30000. Means set interval to 30 seconds 744 744 745 745 746 746 * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 747 747 748 -(% class="box infomessage" %) 749 -((( 750 750 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** 751 -))) 752 752 753 753 754 754 761 + 755 755 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 756 756 764 + 757 757 Set work mode. 758 758 759 759 * (% style="color:#037691" %)**AT Command:** 760 760 761 -(% class="box infomessage" %) 762 -((( 763 763 **AT+MOD=N ** 764 -))) 765 765 771 + 766 766 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 767 767 768 768 769 769 * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 770 770 771 -(% class="box infomessage" %) 772 -((( 773 -**0x0A aa ~/~/ Same as AT+MOD=aa** 774 -))) 777 +**0x0A aa ** ~/~/ Same as AT+MOD=aa 775 775 776 776 777 777 781 + 778 778 ==== 3.4.2.3 Poll an uplink ==== 779 779 780 -* (% style="color:#037691" %)AT Command: 781 781 785 +* (% style="color:#037691" %)**AT Command:** 786 + 782 782 There is no AT Command to poll uplink 783 783 784 784 785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08): 790 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):** 786 786 787 -(% class="box infomessage" %) 788 -((( 789 -**0x08 FF ~/~/ Poll an uplink,** 790 -))) 792 +**0x08 FF **~/~/ Poll an uplink 791 791 792 792 **Example**: 0x08FF, ask device to send an Uplink 793 793 794 794 795 795 798 + 796 796 ==== 3.4.2.4 Enable Trigger Mode ==== 797 797 801 + 798 798 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 799 799 800 -* (% style="color:#037691" %)AT Command: 804 +* (% style="color:#037691" %)**AT Command:** 801 801 802 -(% class="box infomessage" %) 803 -((( 804 804 **AT+ADDMOD6=1 or 0** 805 -))) 806 806 807 807 1: Enable Trigger Mode 808 808 ... ... @@ -809,43 +809,38 @@ 809 809 0: Disable Trigger Mode 810 810 811 811 812 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06): 813 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** 813 813 814 -(% class="box infomessage" %) 815 -((( 816 -**0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** 817 -))) 815 +**0x0A 06 aa ** ~/~/ Same as AT+ADDMOD6=aa 818 818 819 819 820 820 819 + 821 821 ==== 3.4.2.5 Poll trigger settings ==== 822 822 822 + 823 823 Poll trigger settings, 824 824 825 -* (% style="color:#037691" %)AT Command: 825 +* (% style="color:#037691" %)**AT Command:** 826 826 827 827 There is no AT Command for this feature. 828 828 829 829 830 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06): 830 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 831 831 832 -(% class="box infomessage" %) 833 -((( 834 -**0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** 835 -))) 832 +**0xAB 06 **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command 836 836 837 837 838 838 836 + 839 839 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 840 840 839 + 841 841 Enable Disable DI1/DI2/DI2 as trigger, 842 842 843 -* (% style="color:#037691" %)AT Command: 842 +* (% style="color:#037691" %)**AT Command:** 844 844 845 -(% class="box infomessage" %) 846 -((( 847 847 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 848 -))) 849 849 850 850 851 851 **Example:** ... ... @@ -852,25 +852,21 @@ 852 852 853 853 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 854 854 855 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02): 851 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** 856 856 857 -(% class="box infomessage" %) 858 -((( 859 -**0xAA 02 aa bb ~/~/ Same as AT+DTRI=aa,bb** 860 -))) 853 +**0xAA 02 aa bb **~/~/ Same as AT+DTRI=aa,bb 861 861 862 862 863 863 857 + 864 864 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 865 865 860 + 866 866 Set DI1 or DI3(for LT-33222-L) trigger. 867 867 868 -* (% style="color:#037691" %)AT Command: 863 +* (% style="color:#037691" %)**AT Command:** 869 869 870 -(% class="box infomessage" %) 871 -((( 872 872 **AT+TRIG1=a,b** 873 -))) 874 874 875 875 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 876 876 ... ... @@ -882,26 +882,20 @@ 882 882 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 883 883 884 884 885 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ): 877 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 878 +* **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 886 886 887 -(% class="box infomessage" %) 888 -((( 889 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 890 -))) 891 891 892 - 893 - 894 894 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 895 895 883 + 896 896 Set DI2 trigger. 897 897 898 -* (% style="color:#037691" %)AT Command: 886 +* (% style="color:#037691" %)**AT Command:** 899 899 900 -(% class="box infomessage" %) 901 -((( 902 902 **AT+TRIG2=a,b** 903 -))) 904 904 890 + 905 905 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 906 906 907 907 b : delay timing. ... ... @@ -912,93 +912,82 @@ 912 912 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 913 913 914 914 915 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ): 901 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** 916 916 917 -(% class="box infomessage" %) 918 -((( 919 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 920 -))) 903 +**0x09 02 aa bb cc **~/~/ same as AT+TRIG1=aa,0x(bb cc) 921 921 922 922 923 923 907 + 924 924 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 925 925 910 + 926 926 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 927 927 928 -* (% style="color:#037691" %)AT Command :913 +* (% style="color:#037691" %)**AT Command** 929 929 930 -(% class="box infomessage" %) 931 -((( 932 -**AT+ACLIM. ** 933 -))) 915 +**AT+ACLIM** 934 934 935 935 936 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ) :918 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** 937 937 938 -(% class="box infomessage" %) 939 -((( 940 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 941 -))) 920 +**0x AA 01 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 942 942 943 943 944 944 924 + 945 945 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 946 946 927 + 947 947 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 948 948 949 -* (% style="color:#037691" %)AT Command :930 +* (% style="color:#037691" %)**AT Command** 950 950 951 -(% class="box infomessage" %) 952 -((( 953 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 954 -))) 932 +**AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 955 955 956 956 957 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ) :935 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** 958 958 959 -(% class="box infomessage" %) 960 -((( 961 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** 962 -))) 937 +**0x AA 00 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 963 963 964 964 965 965 941 + 966 966 ==== 3.4.2.11 Trigger – Set minimum interval ==== 967 967 968 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. 969 969 970 - *(%style="color:#037691"%)ATCommand:945 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 971 971 972 -(% class="box infomessage" %) 973 -((( 974 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 975 -))) 947 +* (% style="color:#037691" %)**AT Command** 976 976 949 +**AT+ATDC=5 ** Device won't response the second trigger within 5 minute after the first trigger. 977 977 978 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ): 979 979 980 -(% class="box infomessage" %) 952 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** 953 + 954 +**0x AC aa bb ** ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min) 955 + 981 981 ((( 982 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** 957 + 958 + 959 +(% style="color:red" %)Note: ATDC setting must be more than 5min 983 983 ))) 984 984 985 985 986 986 964 + 987 987 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 988 988 989 -* (% style="color:#037691" %)AT Command: 990 990 968 +* (% style="color:#037691" %)**AT Command** 969 + 991 991 There is no AT Command to control Digital Output 992 992 993 993 994 -* (% style="color:#037691" %)Downlink Payload (prefix 0x02): 973 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)** 974 +* **0x02 aa bb cc **~/~/ Set DO1/DO2/DO3 output 995 995 996 -(% class="box infomessage" %) 997 997 ((( 998 -**0x02 aa bb cc ~/~/ Set DO1/DO2/DO3 output** 999 -))) 1000 - 1001 -((( 1002 1002 If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low. 1003 1003 ))) 1004 1004 ... ... @@ -1018,22 +1018,20 @@ 1018 1018 1019 1019 1020 1020 996 + 1021 1021 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1022 1022 1023 -* (% style="color:#037691" %)AT Command: 1024 1024 1000 +* (% style="color:#037691" %)**AT Command** 1001 + 1025 1025 There is no AT Command to control Digital Output 1026 1026 1027 1027 1028 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA9) :1005 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)** 1029 1029 1030 -(% class="box infomessage" %) 1031 -((( 1032 -((( 1033 -**0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 1034 -))) 1035 -))) 1007 +**0xA9 aa bb cc **~/~/ Set DO1/DO2/DO3 output with time control 1036 1036 1009 + 1037 1037 This is to control the digital output time of DO pin. Include four bytes: 1038 1038 1039 1039 (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9) ... ... @@ -1087,20 +1087,20 @@ 1087 1087 1088 1088 1089 1089 1063 + 1090 1090 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1091 1091 1092 -* (% style="color:#037691" %)AT Command: 1093 1093 1067 +* (% style="color:#037691" %)**AT Command:** 1068 + 1094 1094 There is no AT Command to control Relay Output 1095 1095 1096 1096 1097 -* (% style="color:#037691" %)Downlink Payload (prefix 0x03): 1072 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):** 1098 1098 1099 -(% class="box infomessage" %) 1100 -((( 1101 -**0x03 aa bb ~/~/ Set RO1/RO2 output** 1102 -))) 1074 +**0x03 aa bb **~/~/ Set RO1/RO2 output 1103 1103 1076 + 1104 1104 ((( 1105 1105 If payload = 0x030100, it means set RO1 to close and RO2 to open. 1106 1106 ))) ... ... @@ -1117,20 +1117,20 @@ 1117 1117 1118 1118 1119 1119 1093 + 1120 1120 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1121 1121 1122 -* (% style="color:#037691" %)AT Command: 1123 1123 1097 +* (% style="color:#037691" %)**AT Command:** 1098 + 1124 1124 There is no AT Command to control Relay Output 1125 1125 1126 1126 1127 -* (% style="color:#037691" %)Downlink Payload (prefix 0x05): 1102 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):** 1128 1128 1129 -(% class="box infomessage" %) 1130 -((( 1131 -**0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** 1132 -))) 1104 +**0x05 aa bb cc dd **~/~/ Set RO1/RO2 relay with time control 1133 1133 1106 + 1134 1134 This is to control the relay output time of relay. Include four bytes: 1135 1135 1136 1136 (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05) ... ... @@ -1144,7 +1144,7 @@ 1144 1144 1145 1145 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1146 1146 1147 -[[image:image-20220 524093831-10.png]]1120 +[[image:image-20220714135731-1.png||height="406" width="627"]] 1148 1148 1149 1149 1150 1150 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms ... ... @@ -1154,53 +1154,48 @@ 1154 1154 1155 1155 **Example payload:** 1156 1156 1157 -**~1. 05 01 11 07 D 0**1130 +**~1. 05 01 11 07 D** 1158 1158 1159 -Relay1 and Relay 2 will be set to N O, last 2 seconds, then change back to original state.1132 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state. 1160 1160 1161 1161 **2. 05 01 10 07 D0** 1162 1162 1163 -Relay1 will change to N O, Relay2 will change to NC, last 2 seconds, then both change back to original state.1136 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state. 1164 1164 1165 1165 **3. 05 00 01 07 D0** 1166 1166 1167 -Relay1 will change to N C, Relay2 will change to NO, last 2 seconds, then relay change to NO,C.1140 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO. 1168 1168 1169 1169 **4. 05 00 00 07 D0** 1170 1170 1171 -Relay 1 & relay2 will change to N C, last 2 seconds, then both change to NO.1144 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC. 1172 1172 1173 1173 1174 1174 1148 + 1175 1175 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1176 1176 1151 + 1177 1177 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1178 1178 1179 -* (% style="color:#037691" %)AT Command: 1154 +* (% style="color:#037691" %)**AT Command:** 1180 1180 1181 -(% class="box infomessage" %) 1182 -((( 1183 -**AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1184 -))) 1156 +**AT+VOLMAX ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1185 1185 1186 1186 1187 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA5): 1159 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):** 1188 1188 1189 -(% class="box infomessage" %) 1190 -((( 1191 -**0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1192 -))) 1161 +**0xA5 aa bb cc **~/~/ Same as AT+VOLMAX=(aa bb),cc 1193 1193 1194 1194 1195 1195 1165 + 1196 1196 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1197 1197 1198 -* (% style="color:#037691" %)AT Command: 1199 1199 1200 -(% class="box infomessage" %)1201 - (((1169 +* (% style="color:#037691" %)**AT Command:** 1170 + 1202 1202 **AT+SETCNT=aa,(bb cc dd ee) ** 1203 -))) 1204 1204 1205 1205 aa: 1: Set count1, 1206 1206 ... ... @@ -1211,22 +1211,21 @@ 1211 1211 Bb cc dd ee: number to be set 1212 1212 1213 1213 1214 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA8): 1182 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):** 1215 1215 1216 -(% class="box infomessage" %) 1217 -((( 1218 -**0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1219 -))) 1184 +**0x A8 aa bb cc dd ee **~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1220 1220 1221 1221 1222 1222 1188 + 1223 1223 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1224 1224 1191 + 1225 1225 Clear counting for counting mode 1226 1226 1227 1227 * (% style="color:#037691" %)**AT Command:** 1228 1228 1229 - (% style="color:#037691" %)(%%)**AT+CLRCOUNT ** ~/~/ clear all counting1196 +**AT+CLRCOUNT ** ~/~/ clear all counting 1230 1230 1231 1231 1232 1232 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):** ... ... @@ -1235,8 +1235,10 @@ 1235 1235 1236 1236 1237 1237 1205 + 1238 1238 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1239 1239 1208 + 1240 1240 * (% style="color:#037691" %)**AT Command:** 1241 1241 1242 1242 **AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) ... ... @@ -1253,8 +1253,10 @@ 1253 1253 ))) 1254 1254 1255 1255 1225 + 1256 1256 == 3.5 Integrate with Mydevice == 1257 1257 1228 + 1258 1258 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: 1259 1259 1260 1260 ((( ... ... @@ -1263,14 +1263,15 @@ 1263 1263 1264 1264 ((( 1265 1265 (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1237 + 1238 + 1266 1266 ))) 1267 1267 1268 -[[image:1 653356737703-362.png||height="232" width="732"]]1241 +[[image:image-20220719105525-1.png||height="377" width="677"]] 1269 1269 1270 -[[image:image-20220524094641-11.png||height="390" width="723"]] 1271 1271 1272 1272 1273 -[[image:image-20220 524094641-12.png||height="402" width="718"]]1245 +[[image:image-20220719110247-2.png||height="388" width="683"]] 1274 1274 1275 1275 1276 1276 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. ... ... @@ -1303,8 +1303,10 @@ 1303 1303 1304 1304 == 3.6 Interface Detail == 1305 1305 1278 + 1306 1306 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1307 1307 1281 + 1308 1308 Support NPN Type sensor 1309 1309 1310 1310 [[image:1653356991268-289.png]] ... ... @@ -1313,6 +1313,7 @@ 1313 1313 1314 1314 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1315 1315 1290 + 1316 1316 ((( 1317 1317 The DI port of LT-22222-L can support NPN or PNP output sensor. 1318 1318 ))) ... ... @@ -1319,7 +1319,9 @@ 1319 1319 1320 1320 ((( 1321 1321 ((( 1322 -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 1297 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high. 1298 + 1299 + 1323 1323 ))) 1324 1324 ))) 1325 1325 ... ... @@ -1364,6 +1364,8 @@ 1364 1364 1365 1365 ((( 1366 1366 1344 + 1345 + 1367 1367 ))) 1368 1368 1369 1369 ((( ... ... @@ -1395,6 +1395,8 @@ 1395 1395 1396 1396 ((( 1397 1397 1377 + 1378 + 1398 1398 ))) 1399 1399 1400 1400 ((( ... ... @@ -1428,6 +1428,7 @@ 1428 1428 1429 1429 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1430 1430 1412 + 1431 1431 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1432 1432 1433 1433 [[image:1653357531600-905.png]] ... ... @@ -1436,6 +1436,7 @@ 1436 1436 1437 1437 === 3.6.4 Analog Input Interface === 1438 1438 1421 + 1439 1439 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: 1440 1440 1441 1441 ... ... @@ -1467,6 +1467,7 @@ 1467 1467 1468 1468 === 3.6.5 Relay Output === 1469 1469 1453 + 1470 1470 ((( 1471 1471 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: 1472 1472 ))) ... ... @@ -1479,13 +1479,17 @@ 1479 1479 1480 1480 == 3.7 LEDs Indicators == 1481 1481 1466 + 1482 1482 [[image:image-20220524100748-11.png]] 1483 1483 1484 1484 1470 + 1485 1485 = 4. Use AT Command = 1486 1486 1473 + 1487 1487 == 4.1 Access AT Command == 1488 1488 1476 + 1489 1489 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. 1490 1490 1491 1491 [[image:1653358238933-385.png]] ... ... @@ -1684,8 +1684,6 @@ 1684 1684 1685 1685 ((( 1686 1686 AT+CFG: Print all settings 1687 - 1688 - 1689 1689 ))) 1690 1690 1691 1691 ... ... @@ -1692,6 +1692,7 @@ 1692 1692 1693 1693 == 4.2 Common AT Command Sequence == 1694 1694 1681 + 1695 1695 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1696 1696 1697 1697 ((( ... ... @@ -1731,8 +1731,6 @@ 1731 1731 1732 1732 ((( 1733 1733 (% style="background-color:#dcdcdc" %)ATZ 1734 - 1735 - 1736 1736 ))) 1737 1737 1738 1738 ... ... @@ -1817,13 +1817,16 @@ 1817 1817 1818 1818 === 4.2.3 Change to Class A === 1819 1819 1805 + 1820 1820 If sensor JOINED 1821 1821 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1822 1822 ATZ 1823 1823 1824 1824 1811 + 1825 1825 = 5. FAQ = 1826 1826 1814 + 1827 1827 == 5.1 How to upgrade the image? == 1828 1828 1829 1829 ... ... @@ -1845,7 +1845,9 @@ 1845 1845 1846 1846 1847 1847 (% style="color:blue" %)**For LT-22222-L**(%%): 1848 -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. 1836 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode. 1837 + 1838 + 1849 1849 ))) 1850 1850 1851 1851 [[image:image-20220524103407-12.png]] ... ... @@ -1857,6 +1857,7 @@ 1857 1857 1858 1858 (% 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: 1859 1859 1850 + 1860 1860 [[image:1653360054704-518.png||height="186" width="745"]] 1861 1861 1862 1862 ... ... @@ -1865,6 +1865,8 @@ 1865 1865 1866 1866 1867 1867 == 5.2 How to change the LoRa Frequency Bands/Region? == 1859 + 1860 + 1868 1868 ))) 1869 1869 ))) 1870 1870 ... ... @@ -1875,7 +1875,10 @@ 1875 1875 ((( 1876 1876 1877 1877 1871 + 1878 1878 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1873 + 1874 + 1879 1879 ))) 1880 1880 1881 1881 ((( ... ... @@ -1893,7 +1893,7 @@ 1893 1893 ))) 1894 1894 1895 1895 ((( 1896 -(% 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.1892 +(% 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. 1897 1897 ))) 1898 1898 1899 1899 ((( ... ... @@ -1901,12 +1901,12 @@ 1901 1901 ))) 1902 1902 1903 1903 ((( 1904 -(% 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. 1900 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.** 1905 1905 ))) 1906 1906 1907 1907 1908 1908 ((( 1909 -(% style="color: #4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:1905 +(% style="color:blue" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1910 1910 ))) 1911 1911 1912 1912 ((( ... ... @@ -1930,20 +1930,28 @@ 1930 1930 [[image:1653360498588-932.png||height="485" width="726"]] 1931 1931 1932 1932 1929 + 1933 1933 == 5.4 Can I see counting event in Serial? == 1934 1934 1932 + 1935 1935 ((( 1936 -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.1934 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first. 1937 1937 1938 1938 1937 + 1939 1939 == 5.5 Can i use point to point communication for LT-22222-L? == 1940 1940 1940 + 1941 1941 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1942 + 1943 + 1944 + 1942 1942 ))) 1943 1943 1944 1944 ((( 1945 1945 == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1946 1946 1950 + 1947 1947 If the device is not shut down, but directly powered off. 1948 1948 1949 1949 It will default that this is a power-off state. ... ... @@ -1952,12 +1952,16 @@ 1952 1952 1953 1953 After restart, the status before power failure will be read from flash. 1954 1954 1959 + 1960 + 1955 1955 = 6. Trouble Shooting = 1956 1956 ))) 1957 1957 1958 1958 ((( 1959 1959 ((( 1960 -== 6.1 Downlink doesn’t work, how to solve it? == 1966 +== 6.1 Downlink doesn't work, how to solve it? == 1967 + 1968 + 1961 1961 ))) 1962 1962 ))) 1963 1963 ... ... @@ -1968,7 +1968,10 @@ 1968 1968 ((( 1969 1969 1970 1970 1979 + 1971 1971 == 6.2 Have trouble to upload image. == 1981 + 1982 + 1972 1972 ))) 1973 1973 1974 1974 ((( ... ... @@ -1978,7 +1978,10 @@ 1978 1978 ((( 1979 1979 1980 1980 1981 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1992 + 1993 +== 6.3 Why I can't join TTN in US915 /AU915 bands? == 1994 + 1995 + 1982 1982 ))) 1983 1983 1984 1984 ((( ... ... @@ -1992,19 +1992,20 @@ 1992 1992 1993 1993 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1994 1994 1995 - 1996 1996 (% style="color:#4f81bd" %)**XXX:** 1997 1997 1998 -* (% style="color: #4f81bd" %)**EU433**(%%): LT with frequency bands EU4331999 -* (% style="color: #4f81bd" %)**EU868**(%%): LT with frequency bands EU8682000 -* (% style="color: #4f81bd" %)**KR920**(%%): LT with frequency bands KR9202001 -* (% style="color: #4f81bd" %)**CN470**(%%): LT with frequency bands CN4702002 -* (% style="color: #4f81bd" %)**AS923**(%%): LT with frequency bands AS9232003 -* (% style="color: #4f81bd" %)**AU915**(%%): LT with frequency bands AU9152004 -* (% style="color: #4f81bd" %)**US915**(%%): LT with frequency bands US9152005 -* (% style="color: #4f81bd" %)**IN865**(%%): LT with frequency bands IN8652006 -* (% style="color: #4f81bd" %)**CN779**(%%): LT with frequency bands CN7792011 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2012 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2013 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2014 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2015 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2016 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2017 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2018 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2019 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2007 2007 2021 + 2022 + 2008 2008 = 8. Packing Info = 2009 2009 2010 2010 ... ... @@ -2022,18 +2022,28 @@ 2022 2022 * Package Size / pcs : 14.5 x 8 x 5 cm 2023 2023 * Weight / pcs : 170g 2024 2024 2040 + 2041 + 2025 2025 = 9. Support = 2026 2026 2044 + 2027 2027 * ((( 2028 2028 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. 2029 2029 ))) 2030 2030 * ((( 2031 2031 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]] 2050 + 2051 + 2052 + 2053 + 2054 + 2032 2032 ))) 2033 2033 2034 2034 = 10. Reference = 2035 2035 2059 + 2036 2036 * 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]] 2037 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2038 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2061 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2039 2039 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2063 + 2064 +
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