Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
Change comment:
There is no comment for this version
Summary
-
Page properties (2 modified, 0 added, 0 removed)
Details
- Page properties
-
- Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Bei - Content
-
... ... @@ -21,10 +21,8 @@ 21 21 ((( 22 22 23 23 24 -((( 25 25 The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring. 26 26 ))) 27 -))) 28 28 29 29 ((( 30 30 The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. ... ... @@ -186,6 +186,7 @@ 186 186 * Firmware upgradable via program port 187 187 * Counting 188 188 187 + 189 189 == 1.4 Applications == 190 190 191 191 ... ... @@ -196,6 +196,7 @@ 196 196 * Smart Cities 197 197 * Smart Factory 198 198 198 + 199 199 == 1.5 Hardware Variants == 200 200 201 201 ... ... @@ -210,12 +210,11 @@ 210 210 * 1 x Counting Port 211 211 ))) 212 212 213 + 213 213 = 2. Power ON Device = 214 214 215 215 216 -((( 217 217 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. 218 -))) 219 219 220 220 ((( 221 221 PWR will on when device is properly powered. ... ... @@ -274,12 +274,12 @@ 274 274 275 275 Input these keys in the LoRaWAN Server portal. Below is TTN screen shot: 276 276 277 - **Add APP EUI in the application.**276 +Add APP EUI in the application. 278 278 279 279 [[image:1653297955910-247.png||height="321" width="716"]] 280 280 281 281 282 - **Add APP KEY and DEV EUI**281 +Add APP KEY and DEV EUI 283 283 284 284 [[image:1653298023685-319.png]] 285 285 ... ... @@ -287,8 +287,6 @@ 287 287 288 288 ((( 289 289 (% 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. 290 - 291 - 292 292 ))) 293 293 294 294 [[image:1653298044601-602.png||height="405" width="709"]] ... ... @@ -311,9 +311,7 @@ 311 311 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 312 312 313 313 314 -((( 315 315 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 316 -))) 317 317 318 318 [[image:image-20220523174024-3.png]] 319 319 ... ... @@ -365,12 +365,11 @@ 365 365 ** DO1 LED is off in both case 366 366 367 367 363 + 368 368 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 369 369 370 370 371 -((( 372 372 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 373 -))) 374 374 375 375 ((( 376 376 Total : 11 bytes payload ... ... @@ -402,15 +402,11 @@ 402 402 (% class="box infomessage" %) 403 403 ((( 404 404 ((( 405 -((( 406 406 **AT+MOD=2** 407 -))) 408 408 409 -((( 410 410 **ATZ** 411 411 ))) 412 412 ))) 413 -))) 414 414 415 415 ((( 416 416 ... ... @@ -470,15 +470,11 @@ 470 470 (% class="box infomessage" %) 471 471 ((( 472 472 ((( 473 -((( 474 474 **AT+MOD=3** 475 -))) 476 476 477 -((( 478 478 **ATZ** 479 479 ))) 480 480 ))) 481 -))) 482 482 483 483 ((( 484 484 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. ... ... @@ -489,13 +489,9 @@ 489 489 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 490 490 491 491 492 -((( 493 493 **LT22222-L**: This mode the DI1 is used as a counting pin. 494 -))) 495 495 496 -((( 497 497 The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour. 498 -))) 499 499 500 500 [[image:image-20220523181903-8.png]] 501 501 ... ... @@ -523,17 +523,14 @@ 523 523 (% class="box infomessage" %) 524 524 ((( 525 525 ((( 526 -((( 527 527 **AT+MOD=4** 528 -))) 529 529 530 -((( 531 531 **ATZ** 532 532 ))) 533 533 ))) 534 -))) 535 535 536 536 515 + 537 537 ((( 538 538 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 539 539 ))) ... ... @@ -587,15 +587,11 @@ 587 587 (% class="box infomessage" %) 588 588 ((( 589 589 ((( 590 -((( 591 591 **AT+MOD=5** 592 -))) 593 593 594 -((( 595 595 **ATZ** 596 596 ))) 597 597 ))) 598 -))) 599 599 600 600 ((( 601 601 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. ... ... @@ -618,6 +618,7 @@ 618 618 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 619 619 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.** 620 620 596 + 621 621 (% style="color:#037691" %)**AT Command to set Trigger Condition**: 622 622 623 623 ... ... @@ -743,12 +743,13 @@ 743 743 744 744 745 745 722 + 746 746 === 3.3.7 Payload Decoder === 747 747 748 748 ((( 749 749 750 750 751 -**Decoder for TTN/loraserver/ChirpStack**: github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]728 +**Decoder for TTN/loraserver/ChirpStack**: [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]] 752 752 ))) 753 753 754 754 ... ... @@ -756,26 +756,21 @@ 756 756 == 3.4 Configure LT via AT or Downlink == 757 757 758 758 759 -((( 760 760 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 761 -))) 762 762 763 763 ((( 764 -((( 765 765 There are two kinds of Commands: 766 766 ))) 767 -))) 768 768 769 -* (% style="color:b lue" %)**Common Commands**(%%): They should be available for each sensor, 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]]742 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]] 770 770 771 -* (% style="color:b lue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below:744 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 772 772 746 + 773 773 === 3.4.1 Common Commands === 774 774 775 775 776 -((( 777 777 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]] 778 -))) 779 779 780 780 781 781 ... ... @@ -789,7 +789,7 @@ 789 789 790 790 * (% style="color:#037691" %)**AT Command:** 791 791 792 - (% style="color:blue" %)**AT+TDC=N **764 +**AT+TDC=N ** 793 793 794 794 795 795 **Example: **AT+TDC=30000. Means set interval to 30 seconds ... ... @@ -797,10 +797,11 @@ 797 797 798 798 * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 799 799 800 - (% style="color:blue" %)**0x01 aa bb cc**(%%)**~/~/ Same as AT+TDC=0x(aa bb cc)**772 +**0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** 801 801 802 802 803 803 776 + 804 804 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 805 805 806 806 ... ... @@ -808,7 +808,7 @@ 808 808 809 809 * (% style="color:#037691" %)**AT Command:** 810 810 811 - (% style="color:blue" %)**AT+MOD=N **784 +**AT+MOD=N ** 812 812 813 813 814 814 **Example**: AT+MOD=2. Set work mode to Double DI counting mode ... ... @@ -816,10 +816,11 @@ 816 816 817 817 * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 818 818 819 - (% style="color:blue" %)**0x0A aa **(%%)****~/~/ Same as AT+MOD=aa792 +**0x0A aa ** ~/~/ Same as AT+MOD=aa 820 820 821 821 822 822 796 + 823 823 ==== 3.4.2.3 Poll an uplink ==== 824 824 825 825 ... ... @@ -830,7 +830,7 @@ 830 830 831 831 * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):** 832 832 833 - (% style="color:blue" %)**0x08 FF **(%%)** **~/~/ Poll an uplink807 +**0x08 FF **~/~/ Poll an uplink 834 834 835 835 836 836 **Example**: 0x08FF, ask device to send an Uplink ... ... @@ -837,6 +837,7 @@ 837 837 838 838 839 839 814 + 840 840 ==== 3.4.2.4 Enable Trigger Mode ==== 841 841 842 842 ... ... @@ -844,16 +844,16 @@ 844 844 845 845 * (% style="color:#037691" %)**AT Command:** 846 846 847 - (% style="color:blue" %)**AT+ADDMOD6=1 or 0**822 +**AT+ADDMOD6=1 or 0** 848 848 849 - (% style="color:red" %)**1:**(%%)Enable Trigger Mode824 +1: Enable Trigger Mode 850 850 851 - (% style="color:red" %)**0:**(%%)Disable Trigger Mode826 +0: Disable Trigger Mode 852 852 853 853 854 854 * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** 855 855 856 - (% style="color:blue" %)**0x0A 06 aa **(%%)831 +**0x0A 06 aa ** ~/~/ Same as AT+ADDMOD6=aa 857 857 858 858 859 859 ... ... @@ -870,10 +870,11 @@ 870 870 871 871 * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 872 872 873 - (% style="color:blue" %)**0xAB 06 **(%%)~/~/ Poll trigger settings, device will uplink trigger settings once receive this command848 +**0xAB 06 **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command 874 874 875 875 876 876 852 + 877 877 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 878 878 879 879 ... ... @@ -881,7 +881,7 @@ 881 881 882 882 * (% style="color:#037691" %)**AT Command:** 883 883 884 - (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**860 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 885 885 886 886 887 887 **Example:** ... ... @@ -890,10 +890,11 @@ 890 890 891 891 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** 892 892 893 - (% style="color:blue" %)**0xAA 02 aa bb **(%%)~/~/ Same as AT+DTRI=aa,bb869 +**0xAA 02 aa bb **~/~/ Same as AT+DTRI=aa,bb 894 894 895 895 896 896 873 + 897 897 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 898 898 899 899 ... ... @@ -901,11 +901,11 @@ 901 901 902 902 * (% style="color:#037691" %)**AT Command:** 903 903 904 - (% style="color:blue" %)**AT+TRIG1=a,b**881 +**AT+TRIG1=a,b** 905 905 906 - (% style="color:red" %)**a :**(%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).883 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 907 907 908 - (% style="color:red" %)**b :**(%%)delay timing.885 +b : delay timing. 909 909 910 910 911 911 **Example:** ... ... @@ -914,11 +914,9 @@ 914 914 915 915 916 916 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 894 +* **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 917 917 918 -(% style="color:blue" %)**0x09 01 aa bb cc ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc) 919 919 920 - 921 - 922 922 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 923 923 924 924 ... ... @@ -926,13 +926,14 @@ 926 926 927 927 * (% style="color:#037691" %)**AT Command:** 928 928 929 - (% style="color:blue" %)**AT+TRIG2=a,b**904 +**AT+TRIG2=a,b** 930 930 931 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 932 932 933 - (%style="color:red"%)**b:**(%%)delaytiming.907 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 934 934 909 +b : delay timing. 935 935 911 + 936 936 **Example:** 937 937 938 938 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) ... ... @@ -940,10 +940,11 @@ 940 940 941 941 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** 942 942 943 - (% style="color:blue" %)**0x09 02 aa bb cc **(%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)919 +**0x09 02 aa bb cc **~/~/ same as AT+TRIG1=aa,0x(bb cc) 944 944 945 945 946 946 923 + 947 947 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 948 948 949 949 ... ... @@ -951,15 +951,16 @@ 951 951 952 952 * (% style="color:#037691" %)**AT Command** 953 953 954 - (% style="color:blue" %)**AT+ACLIM**931 +**AT+ACLIM** 955 955 956 956 957 957 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** 958 958 959 - (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh **(%%)~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]936 +**0x AA 01 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 960 960 961 961 962 962 940 + 963 963 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 964 964 965 965 ... ... @@ -967,15 +967,16 @@ 967 967 968 968 * (% style="color:#037691" %)**AT Command** 969 969 970 - (% style="color:blue" %)**AT+AVLIM**(%%)**See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**948 +**AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 971 971 972 972 973 973 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** 974 974 975 - (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh **(%%)~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]953 +**0x AA 00 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 976 976 977 977 978 978 957 + 979 979 ==== 3.4.2.11 Trigger – Set minimum interval ==== 980 980 981 981 ... ... @@ -983,12 +983,12 @@ 983 983 984 984 * (% style="color:#037691" %)**AT Command** 985 985 986 - (% style="color:blue" %)**AT+ATDC=5 **(%%)Device won't response the second trigger within 5 minute after the first trigger.965 +**AT+ATDC=5 ** Device won't response the second trigger within 5 minute after the first trigger. 987 987 988 988 989 989 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** 990 990 991 - (% style="color:blue" %)**0x AC aa bb **(%%)~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)970 +**0x AC aa bb ** ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min) 992 992 993 993 ((( 994 994 ... ... @@ -998,6 +998,7 @@ 998 998 999 999 1000 1000 980 + 1001 1001 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1002 1002 1003 1003 ... ... @@ -1007,7 +1007,7 @@ 1007 1007 1008 1008 1009 1009 * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)** 1010 -* (% style="color:blue" %)**0x02 aa bb cc **(%%)~/~/ Set DO1/DO2/DO3 output990 +* **0x02 aa bb cc **~/~/ Set DO1/DO2/DO3 output 1011 1011 1012 1012 ((( 1013 1013 If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low. ... ... @@ -1029,6 +1029,7 @@ 1029 1029 1030 1030 1031 1031 1012 + 1032 1032 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1033 1033 1034 1034 ... ... @@ -1039,7 +1039,7 @@ 1039 1039 1040 1040 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)** 1041 1041 1042 - (% style="color:blue" %)**0xA9 aa bb cc **(%%)~/~/ Set DO1/DO2/DO3 output with time control1023 +**0xA9 aa bb cc **~/~/ Set DO1/DO2/DO3 output with time control 1043 1043 1044 1044 1045 1045 This is to control the digital output time of DO pin. Include four bytes: ... ... @@ -1095,6 +1095,7 @@ 1095 1095 1096 1096 1097 1097 1079 + 1098 1098 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1099 1099 1100 1100 ... ... @@ -1105,7 +1105,7 @@ 1105 1105 1106 1106 * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):** 1107 1107 1108 - (% style="color:blue" %)**0x03 aa bb **(%%)~/~/ Set RO1/RO2 output1090 +**0x03 aa bb **~/~/ Set RO1/RO2 output 1109 1109 1110 1110 1111 1111 ((( ... ... @@ -1135,7 +1135,7 @@ 1135 1135 1136 1136 * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):** 1137 1137 1138 - (% style="color:blue" %)**0x05 aa bb cc dd **(%%)~/~/ Set RO1/RO2 relay with time control1120 +**0x05 aa bb cc dd **~/~/ Set RO1/RO2 relay with time control 1139 1139 1140 1140 1141 1141 This is to control the relay output time of relay. Include four bytes: ... ... @@ -1186,33 +1186,39 @@ 1186 1186 1187 1187 * (% style="color:#037691" %)**AT Command:** 1188 1188 1189 - (% style="color:blue" %)**AT+VOLMAX **(%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]1171 +**AT+VOLMAX ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1190 1190 1191 1191 1192 1192 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):** 1193 1193 1194 - (% style="color:blue" %)**0xA5 aa bb cc **(%%)~/~/ Same as AT+VOLMAX=(aa bb),cc1176 +**0xA5 aa bb cc **~/~/ Same as AT+VOLMAX=(aa bb),cc 1195 1195 1196 1196 1197 1197 1180 + 1198 1198 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1199 1199 1200 1200 1201 1201 * (% style="color:#037691" %)**AT Command:** 1202 1202 1203 - (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **1186 +**AT+SETCNT=aa,(bb cc dd ee) ** 1204 1204 1205 - (% style="color:red" %)**aa:**(%%)1: Set count1; 2: Set count2; 3: Set AV1 count1188 +aa: 1: Set count1, 1206 1206 1207 - (% style="color:red"%)**bb cc ddee:**(%%)numberto be set1190 +2: Set count2, 1208 1208 1192 +3: Set AV1 count 1209 1209 1194 +Bb cc dd ee: number to be set 1195 + 1196 + 1210 1210 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):** 1211 1211 1212 - (% style="color:blue" %)**0x A8 aa bb cc dd ee **(%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)1199 +**0x A8 aa bb cc dd ee **~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1213 1213 1214 1214 1215 1215 1203 + 1216 1216 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1217 1217 1218 1218 ... ... @@ -1220,79 +1220,87 @@ 1220 1220 1221 1221 * (% style="color:#037691" %)**AT Command:** 1222 1222 1223 - (% style="color:blue" %)**AT+CLRCOUNT **(%%)~/~/ clear all counting1211 +**AT+CLRCOUNT ** ~/~/ clear all counting 1224 1224 1225 1225 1226 1226 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):** 1227 1227 1228 - (% style="color:blue" %)**0x A6 01 **(%%)~/~/ clear all counting1216 +**0x A6 01 ** ~/~/ clear all counting 1229 1229 1230 1230 1231 1231 1220 + 1232 1232 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1233 1233 1234 1234 1235 1235 * (% style="color:#037691" %)**AT Command:** 1236 1236 1237 - (% style="color:blue" %)**AT+COUTIME=60 **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)1226 +**AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) 1238 1238 1239 1239 1240 1240 * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):** 1241 1241 1242 - (% style="color:blue" %)**0x A7 aa bb cc **(%%)~/~/ same as AT+COUTIME =aa bb cc,1231 +**0x A7 aa bb cc **~/~/ same as AT+COUTIME =aa bb cc, 1243 1243 1244 1244 ((( 1245 1245 range: aa bb cc:0 to 16777215, (unit:second) 1246 -))) 1247 1247 1248 1248 1249 1249 1238 + 1239 +))) 1240 + 1250 1250 ==== 3.4.2.20 Reset save DR DO state ==== 1251 1251 1252 1252 1253 1253 * (% style="color:#037691" %)**AT Command:** 1254 1254 1255 - (% style="color:blue" %)**AT+RODORET=1(%%)~/~/ RODO will close when the device joining the network. (default)1246 +**AT+RODORET=1 **~/~/ RODO will close when the device joining the network. (default) 1256 1256 1257 - (% style="color:blue" %)**AT+RODORET=0(%%)~/~/1248 +**AT+RODORET=0 **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network. 1258 1258 1259 1259 1260 1260 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):** 1261 1261 1262 - (% style="color:blue" %)**0x AD aa **(%%)~/~/ same as AT+RODORET =aa1253 +**0x AD aa **~/~/ same as AT+RODORET =aa 1263 1263 1255 +((( 1256 + 1264 1264 1265 1265 1259 + 1266 1266 ==== 3.4.2.21 Encrypted payload ==== 1267 1267 1268 1268 1269 1269 * (% style="color:#037691" %)**AT Command:** 1270 1270 1271 - (% style="color:blue" %)**AT+DECRYPT=1 **(%%)~/~/ The payload is uploaded without encryption1265 +**AT+DECRYPT=1 **~/~/ The payload is uploaded without encryption 1272 1272 1273 - (% style="color:blue" %)**AT+DECRYPT=0(%%)~/~/1267 +**AT+DECRYPT=0 **~/~/Encrypt when uploading payload (default) 1274 1274 1275 1275 1276 1276 1271 + 1277 1277 ==== 3.4.2.22 Get sensor value ==== 1278 1278 1279 1279 1280 1280 * (% style="color:#037691" %)**AT Command:** 1281 1281 1282 - (% style="color:blue" %)**AT+GETSENSORVALUE=0(%%)~/~/ The serial port gets the reading of the current sensor1277 +**AT+GETSENSORVALUE=0 **~/~/ The serial port gets the reading of the current sensor 1283 1283 1284 - (% style="color:blue" %)**AT+GETSENSORVALUE=1(%%)~/~/1279 +**AT+GETSENSORVALUE=1 **~/~/The serial port gets the current sensor reading and uploads it. 1285 1285 1286 1286 1287 1287 1283 + 1288 1288 ==== 3.4.2.23 Resets the downlink packet count ==== 1289 1289 1290 1290 1291 1291 * (% style="color:#037691" %)**AT Command:** 1292 1292 1293 - (% style="color:blue" %)**AT+DISFCNTCHECK=0(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)1289 +**AT+DISFCNTCHECK=0 **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default) 1294 1294 1295 - (% style="color:blue" %)**AT+DISFCNTCHECK=1(%%)~/~/1291 +**AT+DISFCNTCHECK=1 **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count. 1296 1296 1297 1297 1298 1298 ... ... @@ -1302,14 +1302,14 @@ 1302 1302 1303 1303 * (% style="color:#037691" %)**AT Command:** 1304 1304 1305 - (%style="color:blue"%)**AT+DISMACANS=0**(%%)~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)1301 + **AT+DISMACANS=0** ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default) 1306 1306 1307 - (%style="color:blue"%)**AT+DISMACANS=1**(%%)~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.1303 + **AT+DISMACANS=1** ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part. 1308 1308 1309 1309 1310 1310 * (% style="color:#037691" %)**Downlink Payload **(%%)**:** 1311 1311 1312 - (% style="color:blue" %)**0x21 00 01 **(%%)~/~/ Set the DISMACANS=11308 +**0x21 00 01 ** ~/~/ Set the DISMACANS=1 1313 1313 1314 1314 1315 1315 ... ... @@ -1319,17 +1319,14 @@ 1319 1319 1320 1320 * (% style="color:#037691" %)**AT Command**(%%)**:** 1321 1321 1322 - (%style="color:blue"%)**AT+RPL=5**(%%)~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.1318 + **AT+RPL=5** ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100. 1323 1323 1324 1324 Example:**aa xx xx xx xx** ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent. 1325 1325 1326 - 1327 1327 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]] 1328 1328 1329 1329 For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77. 1330 1330 1331 - 1332 - 1333 1333 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]] 1334 1334 1335 1335 For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned. ... ... @@ -1342,7 +1342,7 @@ 1342 1342 * ((( 1343 1343 (% style="color:#037691" %)**Downlink Payload**(%%)**:** 1344 1344 1345 - (% style="color:blue" %)**26 01 **(%%)1338 +**26 01 ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time. 1346 1346 1347 1347 1348 1348 ))) ... ... @@ -1352,6 +1352,8 @@ 1352 1352 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]] 1353 1353 1354 1354 1348 + 1349 +))) 1355 1355 1356 1356 == 3.5 Integrate with Mydevice == 1357 1357 ... ... @@ -1561,13 +1561,13 @@ 1561 1561 We take the wind speed sensor as an example for reference only. 1562 1562 1563 1563 1564 - (% style="color:blue" %)**Specifications of the wind speed sensor:**1559 +**Specifications of the wind speed sensor:** 1565 1565 1566 - **Red: 12~~24v**1561 +Red: 12~~24v 1567 1567 1568 - **Yellow: 4~~20mA**1563 +Yellow: 4~~20mA 1569 1569 1570 - **Black: GND**1565 +Black: GND 1571 1571 1572 1572 1573 1573 **Connection diagram:** ... ... @@ -1605,14 +1605,8 @@ 1605 1605 == 4.1 Access AT Command == 1606 1606 1607 1607 1608 -((( 1609 1609 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. 1610 -))) 1611 1611 1612 -((( 1613 - 1614 -))) 1615 - 1616 1616 [[image:1653358238933-385.png]] 1617 1617 1618 1618 ... ... @@ -1640,7 +1640,7 @@ 1640 1640 ))) 1641 1641 1642 1642 ((( 1643 -AT+<CMD>=? : 1632 +AT+<CMD>=? : Get the value 1644 1644 ))) 1645 1645 1646 1646 ((( ... ... @@ -1668,11 +1668,11 @@ 1668 1668 ))) 1669 1669 1670 1670 ((( 1671 -AT+APPSKEY: 1660 +AT+APPSKEY: Get or Set the Application Session Key 1672 1672 ))) 1673 1673 1674 1674 ((( 1675 -AT+APPEUI: 1664 +AT+APPEUI: Get or Set the Application EUI 1676 1676 ))) 1677 1677 1678 1678 ((( ... ... @@ -1684,7 +1684,7 @@ 1684 1684 ))) 1685 1685 1686 1686 ((( 1687 -AT+DR: 1676 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1688 1688 ))) 1689 1689 1690 1690 ((( ... ... @@ -1720,7 +1720,7 @@ 1720 1720 ))) 1721 1721 1722 1722 ((( 1723 -AT+NJM: 1712 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1724 1724 ))) 1725 1725 1726 1726 ((( ... ... @@ -1764,7 +1764,7 @@ 1764 1764 ))) 1765 1765 1766 1766 ((( 1767 -AT+VER: 1756 +AT+VER: Get current image version and Frequency Band 1768 1768 ))) 1769 1769 1770 1770 ((( ... ... @@ -1772,7 +1772,7 @@ 1772 1772 ))) 1773 1773 1774 1774 ((( 1775 -AT+CFS: 1764 +AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1776 1776 ))) 1777 1777 1778 1778 ((( ... ... @@ -1821,42 +1821,40 @@ 1821 1821 ((( 1822 1822 1823 1823 1824 -((( 1825 -(% style="color:blue" %)**If device has not joined network yet:** 1813 +**If device has not joined network yet:** 1826 1826 ))) 1827 -))) 1828 1828 1829 1829 ((( 1830 -(% style="background-color:#dcdcdc" %) **123456**1817 +(% style="background-color:#dcdcdc" %)123456 1831 1831 ))) 1832 1832 1833 1833 ((( 1834 -(% style="background-color:#dcdcdc" %) **AT+FDR**1821 +(% style="background-color:#dcdcdc" %)AT+FDR 1835 1835 ))) 1836 1836 1837 1837 ((( 1838 -(% style="background-color:#dcdcdc" %) **123456**1825 +(% style="background-color:#dcdcdc" %)123456 1839 1839 ))) 1840 1840 1841 1841 ((( 1842 -(% style="background-color:#dcdcdc" %) **AT+NJM=0**1829 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1843 1843 ))) 1844 1844 1845 1845 ((( 1846 -(% style="background-color:#dcdcdc" %) **ATZ**1833 +(% style="background-color:#dcdcdc" %)ATZ 1847 1847 ))) 1848 1848 1849 1849 1850 1850 ((( 1851 - (% style="color:blue" %)**If device already joined network:**1838 +**If device already joined network:** 1852 1852 ))) 1853 1853 1854 1854 ((( 1855 -(% style="background-color:#dcdcdc" %) **AT+NJM=0**1842 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1856 1856 ))) 1857 1857 1858 1858 ((( 1859 -(% style="background-color:#dcdcdc" %) **ATZ**1846 +(% style="background-color:#dcdcdc" %)ATZ 1860 1860 ))) 1861 1861 1862 1862 ... ... @@ -1866,57 +1866,55 @@ 1866 1866 ((( 1867 1867 1868 1868 1869 -((( 1870 -(% style="background-color:#dcdcdc" %)**123456**(%%) ~/~/ Enter Password to have AT access. 1856 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1871 1871 ))) 1872 -))) 1873 1873 1874 1874 ((( 1875 -(% style="background-color:#dcdcdc" %) **AT+FDR**(%%)~/~/Reset Parameters to Factory Default, Keys Reserve1860 +(% style="background-color:#dcdcdc" %) AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1876 1876 ))) 1877 1877 1878 1878 ((( 1879 -(% style="background-color:#dcdcdc" %) **123456**(%%)~/~/Enter Password to have AT access.1864 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1880 1880 ))) 1881 1881 1882 1882 ((( 1883 -(% style="background-color:#dcdcdc" %) **AT+CLASS=C**(%%)~/~/Set to work in CLASS C1868 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C 1884 1884 ))) 1885 1885 1886 1886 ((( 1887 -(% style="background-color:#dcdcdc" %) **AT+NJM=0**(%%)~/~/Set to ABP mode1872 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1888 1888 ))) 1889 1889 1890 1890 ((( 1891 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)~/~/Set the Adaptive Data Rate Off1876 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1892 1892 ))) 1893 1893 1894 1894 ((( 1895 -(% style="background-color:#dcdcdc" %) **AT+DR=5**(%%)~/~/Set Data Rate1880 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1896 1896 ))) 1897 1897 1898 1898 ((( 1899 -(% style="background-color:#dcdcdc" %) **AT+TDC=60000**(%%)~/~/Set transmit interval to 60 seconds1884 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1900 1900 ))) 1901 1901 1902 1902 ((( 1903 -(% style="background-color:#dcdcdc" %) **AT+CHS=868400000**(%%)~/~/Set transmit frequency to 868.4Mhz1888 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1904 1904 ))) 1905 1905 1906 1906 ((( 1907 -(% style="background-color:#dcdcdc" %) **AT+RX2FQ=868400000**(%%)~/~/Set RX2Frequency to 868.4Mhz (according to the result from server)1892 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1908 1908 ))) 1909 1909 1910 1910 ((( 1911 -(% style="background-color:#dcdcdc" %) **AT+RX2DR=5**(%%)****~/~/Set RX2DR to match the downlink DR from server. see below1896 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1912 1912 ))) 1913 1913 1914 1914 ((( 1915 -(% style="background-color:#dcdcdc" %) **AT+DADDR=26 01 1A F1**(%%)~/~/Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.1900 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1916 1916 ))) 1917 1917 1918 1918 ((( 1919 -(% style="background-color:#dcdcdc" %) **ATZ**(%%)~/~/Reset MCU1904 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1920 1920 1921 1921 1922 1922 ))) ... ... @@ -1926,15 +1926,11 @@ 1926 1926 ))) 1927 1927 1928 1928 ((( 1929 -**~1. Make sure the device is set to ABP mode in the IoT Server.** 1914 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1915 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1916 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1917 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1930 1930 1931 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.** 1932 - 1933 -**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php? 1934 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.** 1935 - 1936 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5** 1937 - 1938 1938 1939 1939 ))) 1940 1940 ... ... @@ -1950,15 +1950,12 @@ 1950 1950 === 4.2.3 Change to Class A === 1951 1951 1952 1952 1953 -((( 1954 -(% style="color:blue" %)**If sensor JOINED:** 1934 +If sensor JOINED 1935 +(% style="background-color:#dcdcdc" %)AT+CLASS=A 1936 +ATZ 1955 1955 1956 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A 1957 -ATZ** 1958 -))) 1959 1959 1960 1960 1961 - 1962 1962 = 5. FAQ = 1963 1963 1964 1964 ... ... @@ -1982,10 +1982,8 @@ 1982 1982 (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1983 1983 1984 1984 1985 -((( 1986 1986 (% style="color:blue" %)**For LT-22222-L**(%%): 1987 1987 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. 1988 -))) 1989 1989 1990 1990 1991 1991 ))) ... ... @@ -2036,6 +2036,7 @@ 2036 2036 ((( 2037 2037 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 2038 2038 2015 + 2039 2039 2040 2040 ))) 2041 2041 ))) ... ... @@ -2065,15 +2065,16 @@ 2065 2065 ))) 2066 2066 2067 2067 ((( 2068 -(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter Password to have AT access. 2069 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset Parameters to Factory Default, Keys Reserve 2070 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode 2071 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Set the Adaptive Data Rate Off 2072 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Set AT+DR=3 for 915 band) 2073 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds 2074 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz 2075 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%) : Set Device Address to 26 01 1A F1 2076 -(% style="background-color:#dcdcdc" %)**ATZ** (%%) : Reset MCU 2045 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 2046 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 2047 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 2048 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 2049 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 2050 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 2051 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 2052 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 2053 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 2054 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 2077 2077 ))) 2078 2078 2079 2079 ... ... @@ -2096,7 +2096,7 @@ 2096 2096 == 5.5 Can i use point to point communication for LT-22222-L? == 2097 2097 2098 2098 2099 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] ,this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].2077 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 2100 2100 2101 2101 2102 2102 ... ... @@ -2115,21 +2115,15 @@ 2115 2115 After restart, the status before power failure will be read from flash. 2116 2116 2117 2117 2118 - 2119 2119 == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? == 2120 2120 2121 - 2122 2122 LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below: 2123 2123 2124 - 2125 2125 [[image:image-20221006170630-1.png||height="610" width="945"]] 2126 2126 2127 2127 2128 -== 5.8 Can LT22222 save RO state? == 2129 2129 2130 -Firmware version needs to be no less than 1.6.0. 2131 2131 2132 - 2133 2133 = 6. Trouble Shooting = 2134 2134 2135 2135 ... ... @@ -2192,6 +2192,7 @@ 2192 2192 * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2193 2193 * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2194 2194 2167 + 2195 2195 = 8. Packing Info = 2196 2196 2197 2197 ... ... @@ -2209,7 +2209,6 @@ 2209 2209 * Package Size / pcs : 14.5 x 8 x 5 cm 2210 2210 * Weight / pcs : 170g 2211 2211 2212 - 2213 2213 2214 2214 = 9. Support = 2215 2215