Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -45,44 +45,114 @@ 45 45 46 46 == 1.2 Specifications == 47 47 48 +((( 48 48 **Hardware System:** 50 +))) 49 49 50 -* STM32L072CZT6 MCU 51 -* SX1276/78 Wireless Chip 52 -* Power Consumption: 53 -** Idle: 4mA@12v 54 -** 20dB Transmit: 34mA@12v 52 +* ((( 53 +STM32L072CZT6 MCU 54 +))) 55 +* ((( 56 +SX1276/78 Wireless Chip 57 +))) 58 +* ((( 59 +((( 60 +Power Consumption: 61 +))) 55 55 63 +* ((( 64 +Idle: 4mA@12v 65 +))) 66 +* ((( 67 +20dB Transmit: 34mA@12v 68 +))) 69 +))) 70 + 71 +((( 56 56 **Interface for Model: LT22222-L:** 73 +))) 57 57 58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 60 -* 2 x Relay Output (5A@250VAC / 30VDC) 61 -* 2 x 0~~20mA Analog Input (res:0.01mA) 62 -* 2 x 0~~30V Analog Input (res:0.01v) 63 -* Power Input 7~~ 24V DC. 75 +* ((( 76 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 77 +))) 78 +* ((( 79 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 80 +))) 81 +* ((( 82 +2 x Relay Output (5A@250VAC / 30VDC) 83 +))) 84 +* ((( 85 +2 x 0~~20mA Analog Input (res:0.01mA) 86 +))) 87 +* ((( 88 +2 x 0~~30V Analog Input (res:0.01v) 89 +))) 90 +* ((( 91 +Power Input 7~~ 24V DC. 92 +))) 64 64 94 +((( 65 65 **LoRa Spec:** 96 +))) 66 66 67 -* Frequency Range: 68 -** Band 1 (HF): 862 ~~ 1020 Mhz 69 -** Band 2 (LF): 410 ~~ 528 Mhz 70 -* 168 dB maximum link budget. 71 -* +20 dBm - 100 mW constant RF output vs. 72 -* +14 dBm high efficiency PA. 73 -* Programmable bit rate up to 300 kbps. 74 -* High sensitivity: down to -148 dBm. 75 -* Bullet-proof front end: IIP3 = -12.5 dBm. 76 -* Excellent blocking immunity. 77 -* Low RX current of 10.3 mA, 200 nA register retention. 78 -* Fully integrated synthesizer with a resolution of 61 Hz. 79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 80 -* Built-in bit synchronizer for clock recovery. 81 -* Preamble detection. 82 -* 127 dB Dynamic Range RSSI. 83 -* Automatic RF Sense and CAD with ultra-fast AFC. 84 -* Packet engine up to 256 bytes with CRC. 98 +* ((( 99 +((( 100 +Frequency Range: 101 +))) 85 85 103 +* ((( 104 +Band 1 (HF): 862 ~~ 1020 Mhz 105 +))) 106 +* ((( 107 +Band 2 (LF): 410 ~~ 528 Mhz 108 +))) 109 +))) 110 +* ((( 111 +168 dB maximum link budget. 112 +))) 113 +* ((( 114 ++20 dBm - 100 mW constant RF output vs. 115 +))) 116 +* ((( 117 ++14 dBm high efficiency PA. 118 +))) 119 +* ((( 120 +Programmable bit rate up to 300 kbps. 121 +))) 122 +* ((( 123 +High sensitivity: down to -148 dBm. 124 +))) 125 +* ((( 126 +Bullet-proof front end: IIP3 = -12.5 dBm. 127 +))) 128 +* ((( 129 +Excellent blocking immunity. 130 +))) 131 +* ((( 132 +Low RX current of 10.3 mA, 200 nA register retention. 133 +))) 134 +* ((( 135 +Fully integrated synthesizer with a resolution of 61 Hz. 136 +))) 137 +* ((( 138 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 139 +))) 140 +* ((( 141 +Built-in bit synchronizer for clock recovery. 142 +))) 143 +* ((( 144 +Preamble detection. 145 +))) 146 +* ((( 147 +127 dB Dynamic Range RSSI. 148 +))) 149 +* ((( 150 +Automatic RF Sense and CAD with ultra-fast AFC. 151 +))) 152 +* ((( 153 +Packet engine up to 256 bytes with CRC. 154 +))) 155 + 86 86 == 1.3 Features == 87 87 88 88 * LoRaWAN Class A & Class C protocol ... ... @@ -129,13 +129,21 @@ 129 129 130 130 == 3.1 How it works? == 131 131 202 +((( 132 132 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. 204 +))) 133 133 134 -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>>path:#AT_Command]] to set the keys in the devices. 206 +((( 207 +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>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices. 208 +))) 135 135 210 +((( 136 136 3.2 Example to join LoRaWAN network 212 +))) 137 137 214 +((( 138 138 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. 216 +))) 139 139 140 140 [[image:image-20220523172350-1.png||height="266" width="864"]] 141 141 ... ... @@ -235,7 +235,9 @@ 235 235 236 236 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 237 237 316 +((( 238 238 Total : 11 bytes payload 318 +))) 239 239 240 240 [[image:image-20220523180452-3.png]] 241 241 ... ... @@ -249,53 +249,77 @@ 249 249 * FIRST: Indicate this is the first packet after join network. 250 250 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 251 251 332 +((( 252 252 (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L. 334 +))) 253 253 336 +((( 254 254 **To use counting mode, please run:** 338 +))) 255 255 256 256 (% class="box infomessage" %) 257 257 ((( 342 +((( 258 258 **AT+MOD=2** 259 259 ))) 345 +))) 260 260 261 261 (% class="box infomessage" %) 262 262 ((( 349 +((( 263 263 **ATZ** 264 264 ))) 352 +))) 265 265 354 +((( 266 266 (% style="color:#4f81bd" %)**AT Commands for counting:** 356 +))) 267 267 358 +((( 268 268 **For LT22222-L:** 360 +))) 269 269 270 270 (% class="box infomessage" %) 271 271 ((( 364 +((( 272 272 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 273 273 ))) 367 +))) 274 274 275 275 (% class="box infomessage" %) 276 276 ((( 371 +((( 277 277 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 278 278 ))) 374 +))) 279 279 280 280 (% class="box infomessage" %) 281 281 ((( 378 +((( 282 282 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 283 283 ))) 381 +))) 284 284 285 285 (% class="box infomessage" %) 286 286 ((( 385 +((( 287 287 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 288 288 ))) 388 +))) 289 289 290 290 (% class="box infomessage" %) 291 291 ((( 392 +((( 292 292 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 293 293 ))) 395 +))) 294 294 295 295 (% class="box infomessage" %) 296 296 ((( 399 +((( 297 297 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 298 298 ))) 402 +))) 299 299 300 300 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 301 301 ... ... @@ -313,21 +313,31 @@ 313 313 * FIRST: Indicate this is the first packet after join network. 314 314 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 315 315 420 +((( 316 316 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 422 +))) 317 317 424 +((( 318 318 **To use counting mode, please run:** 426 +))) 319 319 320 320 (% class="box infomessage" %) 321 321 ((( 430 +((( 322 322 **AT+MOD=3** 323 323 ))) 433 +))) 324 324 325 325 (% class="box infomessage" %) 326 326 ((( 437 +((( 327 327 **ATZ** 328 328 ))) 440 +))) 329 329 330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 442 +((( 443 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 444 +))) 331 331 332 332 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 333 333 ... ... @@ -347,44 +347,67 @@ 347 347 * FIRST: Indicate this is the first packet after join network. 348 348 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 349 349 464 +((( 350 350 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 466 +))) 351 351 468 +((( 352 352 **To use this mode, please run:** 470 +))) 353 353 354 354 (% class="box infomessage" %) 355 355 ((( 474 +((( 356 356 **AT+MOD=4** 357 357 ))) 477 +))) 358 358 359 359 (% class="box infomessage" %) 360 360 ((( 481 +((( 361 361 **ATZ** 362 362 ))) 484 +))) 363 363 486 +((( 487 + 488 +))) 364 364 365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 490 +((( 491 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 492 +))) 366 366 494 +((( 367 367 **Plus below command for AVI1 Counting:** 496 +))) 368 368 369 369 (% class="box infomessage" %) 370 370 ((( 500 +((( 371 371 **AT+SETCNT=3,60 (set AVI Count to 60)** 372 372 ))) 503 +))) 373 373 374 374 (% class="box infomessage" %) 375 375 ((( 507 +((( 376 376 **AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 377 377 ))) 510 +))) 378 378 379 379 (% class="box infomessage" %) 380 380 ((( 514 +((( 381 381 **AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 382 382 ))) 517 +))) 383 383 384 384 (% class="box infomessage" %) 385 385 ((( 521 +((( 386 386 **AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 387 387 ))) 524 +))) 388 388 389 389 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 390 390 ... ... @@ -398,23 +398,35 @@ 398 398 399 399 * RO is for relay. ROx=1 : close,ROx=0 always open. 400 400 * FIRST: Indicate this is the first packet after join network. 401 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 538 +* ((( 539 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 540 +))) 402 402 542 +((( 403 403 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 544 +))) 404 404 546 +((( 405 405 **To use this mode, please run:** 548 +))) 406 406 407 407 (% class="box infomessage" %) 408 408 ((( 552 +((( 409 409 **AT+MOD=5** 410 410 ))) 555 +))) 411 411 412 412 (% class="box infomessage" %) 413 413 ((( 559 +((( 414 414 **ATZ** 415 415 ))) 562 +))) 416 416 417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 564 +((( 565 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 566 +))) 418 418 419 419 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 420 420 ... ... @@ -463,7 +463,7 @@ 463 463 464 464 **Downlink Command to set Trigger Condition** 465 465 466 -Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]615 +Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 467 467 468 468 Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4 469 469 ... ... @@ -483,7 +483,7 @@ 483 483 484 484 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 485 485 486 -Example2: AA 02 01 00 635 +**Example2**: AA 02 01 00 487 487 488 488 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 489 489 ... ... @@ -822,8 +822,10 @@ 822 822 823 823 (% class="box infomessage" %) 824 824 ((( 974 +((( 825 825 **0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 826 826 ))) 977 +))) 827 827 828 828 This is to control the digital output time of DO pin. Include four bytes: 829 829 ... ... @@ -845,11 +845,7 @@ 845 845 846 846 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 847 847 848 -(% border="1" style="background-color:#f7faff" %) 849 -|Second Byte|Status 850 -|0x01|DO3 set to low 851 -|0x00|DO3 set to high 852 -|0x11|DO3 NO Action 999 +[[image:image-20220524093351-8.png]] 853 853 854 854 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 855 855 ... ... @@ -857,147 +857,129 @@ 857 857 858 858 Device will upload a packet if downlink code executes successfully. 859 859 1007 +**Example payload:** 860 860 1009 +**~1. A9 01 01 01 01 07 D0** 861 861 862 -Example payload: 863 - 864 -1. A9 01 01 01 01 07 D0 865 - 866 866 DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state. 867 867 1013 +**2. A9 01 00 01 11 07 D0** 868 868 869 -1. A9 01 00 01 11 07 D0 870 - 871 871 DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state. 872 872 1017 +**3. A9 00 00 00 00 07 D0** 873 873 874 -1. A9 00 00 00 00 07 D0 875 - 876 876 DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low. 877 877 1021 +**4. A9 00 11 01 00 07 D0** 878 878 879 -1. A9 00 11 01 00 07 D0 880 - 881 881 DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low 882 882 883 883 1026 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 884 884 885 - 886 -==== Relay ~-~- Control Relay Output RO1/RO2 ==== 887 - 888 888 * AT Command: 889 889 890 890 There is no AT Command to control Relay Output 891 891 892 - 893 893 * Downlink Payload (prefix 0x03): 894 894 895 -0x03 aa bb ~/~/ Set RO1/RO2 output 1034 +(% class="box infomessage" %) 1035 +((( 1036 +**0x03 aa bb ~/~/ Set RO1/RO2 output** 1037 +))) 896 896 1039 +((( 897 897 If payload = 0x030100, it means set RO1 to close and RO2 to open. 1041 +))) 898 898 1043 +((( 899 899 01: Close , 00: Open , 11: No action 1045 +))) 900 900 901 -(% border="1" style="background-color:#f7faff" %) 902 -|Downlink Code|RO1|RO2 903 -|03 00 11|Open|No Action 904 -|03 01 11|Close|No Action 905 -|03 11 00|No Action|Open 906 -|03 11 01|No Action|Close 907 -|03 00 00|Open|Open 908 -|03 01 01|Close|Close 909 -|03 01 00|Close|Open 910 -|03 00 01|Open|Close 1047 +((( 1048 +[[image:image-20220524093724-9.png]] 1049 +))) 911 911 912 912 Device will upload a packet if downlink code executes successfully. 913 913 914 914 915 -==== Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1054 +==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 916 916 917 917 * AT Command: 918 918 919 919 There is no AT Command to control Relay Output 920 920 921 - 922 922 * Downlink Payload (prefix 0x05): 923 923 924 -0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control: 1062 +(% class="box infomessage" %) 1063 +((( 1064 +**0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** 1065 +))) 925 925 926 926 This is to control the relay output time of relay. Include four bytes: 927 927 928 -**First Byte:** Type code (0x05) 1069 +(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05) 929 929 930 -**Second Byte(aa)**: Inverter Mode 1071 +(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode 931 931 932 932 01: Relays will change back to original state after timeout. 933 933 934 934 00: Relays will change to an inverter state after timeout 935 935 1077 +(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 936 936 937 - **Third Byte(bb)**:Control Methodand Ports status:1079 +[[image:image-20220524093831-10.png]] 938 938 939 -(% border="1" style="background-color:#f7faff" %) 940 -|Value|Status 941 -|0x11|RO1 and RO2 to NO 942 -|0x10|RO2 to NO, RO1 to NC 943 -|0x01|RO2 to NC, RO1 to NO 944 -|0x00|RO1 and RO2 to NC. 945 -|0x20|RO1 No Action, RO2 to NC 946 -|0x21|RO1 No Action, RO2 to NO 947 -|0x02|RO1 to NC, RO2 No Action 948 -|0x12|RO1 to NO, RO2 No Action 1081 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 949 949 950 -**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms 951 - 952 952 Device will upload a packet if downlink code executes successfully. 953 953 954 - 955 - 956 956 **Example payload:** 957 957 958 -1. 05 01 11 07 D0 1087 +**~1. 05 01 11 07 D0** 959 959 960 960 Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state. 961 961 1091 +**2. 05 01 10 07 D0** 962 962 963 -1. 05 01 10 07 D0 964 - 965 965 Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state. 966 966 1095 +**3. 05 00 01 07 D0** 967 967 968 -1. 05 00 01 07 D0 969 - 970 970 Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC. 971 971 1099 +**4. 05 00 00 07 D0** 972 972 973 -1. 05 00 00 07 D0 974 - 975 975 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 976 976 977 977 1104 +==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 978 978 1106 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]] 979 979 980 - 981 - 982 -==== Counting ~-~- Voltage threshold counting ==== 983 - 984 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]] 985 - 986 986 * AT Command: 987 987 988 -AT+VOLMAX ~/~/ See [[MOD4>>path:#MOD4]] 1110 +(% class="box infomessage" %) 1111 +((( 1112 +**AT+VOLMAX ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]** 1113 +))) 989 989 990 - 991 991 * Downlink Payload (prefix 0xA5): 992 992 993 -0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc 1117 +(% class="box infomessage" %) 1118 +((( 1119 +**0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1120 +))) 994 994 1122 +==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 995 995 996 -==== Counting ~-~- Pre-configure the Count Number ==== 997 - 998 998 * AT Command: 999 999 1000 -AT+SETCNT=aa,(bb cc dd ee) 1126 +(% class="box infomessage" %) 1127 +((( 1128 +**AT+SETCNT=aa,(bb cc dd ee) ** 1129 +))) 1001 1001 1002 1002 aa: 1: Set count1, 1003 1003 ... ... @@ -1007,115 +1007,108 @@ 1007 1007 1008 1008 Bb cc dd ee: number to be set 1009 1009 1010 - 1011 1011 * Downlink Payload (prefix 0xA8): 1012 1012 1013 -0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1141 +(% class="box infomessage" %) 1142 +((( 1143 +**0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1144 +))) 1014 1014 1146 +==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1015 1015 1016 - 1017 - 1018 - 1019 -==== Counting ~-~- Clear Counting ==== 1020 - 1021 1021 Clear counting for counting mode 1022 1022 1023 1023 * AT Command: 1024 1024 1025 -AT+CLRCOUNT ~/~/ clear all counting 1152 +(% class="box infomessage" %) 1153 +((( 1154 +**AT+CLRCOUNT ~/~/ clear all counting** 1155 +))) 1026 1026 1027 - 1028 1028 * Downlink Payload (prefix 0xA6): 1029 1029 1030 -0x A6 01 ~/~/ clear all counting, 1159 +(% class="box infomessage" %) 1160 +((( 1161 +**0x A6 01 ~/~/ clear all counting,** 1162 +))) 1031 1031 1164 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1032 1032 1033 - 1034 - 1035 -==== Counting ~-~- Change counting mode save time ==== 1036 - 1037 1037 * AT Command: 1038 1038 1039 -AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) 1168 +(% class="box infomessage" %) 1169 +((( 1170 +**AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)** 1171 +))) 1040 1040 1041 - 1042 1042 * Downlink Payload (prefix 0xA7): 1043 1043 1044 -0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc, 1175 +(% class="box infomessage" %) 1176 +((( 1177 +**0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1178 +))) 1045 1045 1046 1046 range: aa bb cc:0 to 16777215, (unit:second) 1047 1047 1182 +== 3.5 Integrate with Mydevice == 1048 1048 1049 - 1050 - 1051 -1. 1052 -11. Integrate with Mydevice 1053 - 1054 1054 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: 1055 1055 1186 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1056 1056 1057 -Step 1:Besure thatyour deviceisprogrammed andproperly connectedto the networkatthistime.1188 +**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: 1058 1058 1059 - Step 2: To configurethe Applicationto forward data to Mydevices you will need to add integration. To add theMydevices integration,perform the following steps:1190 +[[image:1653356737703-362.png||height="232" width="732"]] 1060 1060 1192 +[[image:image-20220524094641-11.png||height="390" width="723"]] 1061 1061 1062 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]1194 +[[image:image-20220524094641-12.png||height="402" width="718"]] 1063 1063 1196 +**Step 3**: Create an account or log in Mydevices. 1064 1064 1065 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]1198 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1066 1066 1067 - 1068 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]] 1069 - 1070 - 1071 - 1072 -Step 3: Create an account or log in Mydevices. 1073 - 1074 -Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI. 1075 - 1076 1076 Search under The things network 1077 1077 1078 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]1202 +[[image:1653356838789-523.png||height="337" width="740"]] 1079 1079 1080 - 1081 1081 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1082 1082 1083 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]1206 +[[image:image-20220524094909-1.png||height="335" width="729"]] 1084 1084 1208 +[[image:image-20220524094909-2.png||height="337" width="729"]] 1085 1085 1086 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]1210 +[[image:image-20220524094909-3.png||height="338" width="727"]] 1087 1087 1212 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1088 1088 1089 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]1214 +[[image:image-20220524094909-5.png||height="341" width="734"]] 1090 1090 1216 +== 3.6 Interface Detail == 1091 1091 1092 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]1218 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1093 1093 1094 - 1095 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]] 1096 - 1097 - 1098 -1. 1099 -11. Interface Detail 1100 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) 1101 - 1102 1102 Support NPN Type sensor 1103 1103 1104 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]1222 +[[image:1653356991268-289.png]] 1105 1105 1224 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1106 1106 1107 - 1108 -1. 1109 -11. 1110 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L) 1111 - 1226 +((( 1112 1112 The DI port of LT-22222-L can support NPN or PNP output sensor. 1228 +))) 1113 1113 1230 +((( 1231 +((( 1114 1114 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 1233 +))) 1234 +))) 1115 1115 1116 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]1236 +[[image:1653357170703-587.png]] 1117 1117 1238 +((( 1118 1118 When use need to connect a device to the DI port, both DI1+ and DI1- must be connected. 1240 +))) 1119 1119 1120 1120 1121 1121 **Example1**: Connect to a Low active sensor. ... ... @@ -1125,11 +1125,11 @@ 1125 1125 * Connect sensor’s output to DI1- 1126 1126 * Connect sensor’s VCC to DI1+. 1127 1127 1128 -So when sensor active, the current between NEC2501 pin1 and pin2 is :1250 +So when sensor active, the current between NEC2501 pin1 and pin2 is: 1129 1129 1130 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.1252 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.** 1131 1131 1132 -If DI1+ = 12v, the //IF// [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]= 12mA , So the LT-22222-L will be able to detect this active signal.1254 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1133 1133 1134 1134 1135 1135 **Example2**: Connect to a High active sensor. ... ... @@ -1141,12 +1141,12 @@ 1141 1141 1142 1142 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1143 1143 1144 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.1266 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1145 1145 1146 -If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]1268 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1147 1147 1148 1148 1149 -**Example3**: Connect to a 220v high active sensor. 公司测试一下1271 +**Example3**: Connect to a 220v high active sensor. 1150 1150 1151 1151 Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 1152 1152 ... ... @@ -1155,34 +1155,24 @@ 1155 1155 1156 1156 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1157 1157 1158 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]1280 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1159 1159 1160 -If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.1282 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1161 1161 1284 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1162 1162 1163 -1. 1164 -11. 1165 -111. Digital Output Port: DO1/DO2 /DO3 1166 - 1167 1167 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1168 1168 1169 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1288 +[[image:1653357531600-905.png]] 1170 1170 1290 +=== 3.6.4 Analog Input Interface === 1171 1171 1172 - 1173 - 1174 -1. 1175 -11. 1176 -111. Analog Input Interface 1177 - 1178 1178 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: 1179 1179 1180 -AC2 = (IN2 voltage )/12 1294 +**AC2 = (IN2 voltage )/12** 1181 1181 1182 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]1296 +[[image:1653357592296-182.png]] 1183 1183 1184 - 1185 - 1186 1186 Example to connect a 4~~20mA sensor 1187 1187 1188 1188 We take the wind speed sensor as an example for reference only. ... ... @@ -1198,423 +1198,579 @@ 1198 1198 1199 1199 Connection diagram: 1200 1200 1201 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]1313 +[[image:1653357640609-758.png]] 1202 1202 1203 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]1315 +[[image:1653357648330-671.png||height="155" width="733"]] 1204 1204 1317 +=== 3.6.5 Relay Output === 1205 1205 1206 - 1207 -1. 1208 -11. 1209 -111. Relay Output 1210 - 1319 +((( 1211 1211 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: 1321 +))) 1212 1212 1213 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]1323 +[[image:image-20220524100215-9.png]] 1214 1214 1325 +[[image:image-20220524100215-10.png||height="382" width="723"]] 1215 1215 1216 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]1327 +== 3.7 LEDs Indicators == 1217 1217 1329 +[[image:image-20220524100748-11.png]] 1218 1218 1331 += 4. Use AT Command = 1219 1219 1333 +== 4.1 Access AT Command == 1220 1220 1221 - 1222 -1. 1223 -11. LEDs Indicators 1224 - 1225 -(% border="1" style="background-color:#f7faff" %) 1226 -|**LEDs**|**Feature** 1227 -|**PWR**|Always on if there is power 1228 -|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message. 1229 -|**TX**|((( 1230 -Device boot: TX blinks 5 times. 1231 - 1232 -Successful join network: TX ON for 5 seconds. 1233 - 1234 -Transmit a LoRa packet: TX blinks once 1235 -))) 1236 -|**RX**|RX blinks once when receive a packet. 1237 -|**DO1**| 1238 -|**DO2**| 1239 -|**DO3**| 1240 -|**DI2**|((( 1241 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1242 - 1243 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1244 -))) 1245 -|**DI2**|((( 1246 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1247 - 1248 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1249 -))) 1250 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high 1251 -|**DI2**|((( 1252 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1253 - 1254 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1255 -))) 1256 -|**RO1**| 1257 -|**RO2**| 1258 - 1259 -1. Use AT Command 1260 -11. Access AT Command 1261 - 1262 1262 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. 1263 1263 1264 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]1337 +[[image:1653358238933-385.png]] 1265 1265 1339 +In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1266 1266 1267 - In PC, User needs to set **serial tool**(such as[[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it.As shownbelow:1341 +[[image:1653358355238-883.png]] 1268 1268 1269 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]] 1270 - 1271 - 1272 1272 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1273 1273 1345 +((( 1274 1274 AT+<CMD>? : Help on <CMD> 1347 +))) 1275 1275 1349 +((( 1276 1276 AT+<CMD> : Run <CMD> 1351 +))) 1277 1277 1353 +((( 1278 1278 AT+<CMD>=<value> : Set the value 1355 +))) 1279 1279 1357 +((( 1280 1280 AT+<CMD>=? : Get the value 1359 +))) 1281 1281 1361 +((( 1282 1282 ATZ: Trig a reset of the MCU 1363 +))) 1283 1283 1365 +((( 1284 1284 AT+FDR: Reset Parameters to Factory Default, Keys Reserve 1367 +))) 1285 1285 1369 +((( 1286 1286 AT+DEUI: Get or Set the Device EUI 1371 +))) 1287 1287 1373 +((( 1288 1288 AT+DADDR: Get or Set the Device Address 1375 +))) 1289 1289 1377 +((( 1290 1290 AT+APPKEY: Get or Set the Application Key 1379 +))) 1291 1291 1381 +((( 1292 1292 AT+NWKSKEY: Get or Set the Network Session Key 1383 +))) 1293 1293 1385 +((( 1294 1294 AT+APPSKEY: Get or Set the Application Session Key 1387 +))) 1295 1295 1389 +((( 1296 1296 AT+APPEUI: Get or Set the Application EUI 1391 +))) 1297 1297 1393 +((( 1298 1298 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on) 1395 +))) 1299 1299 1397 +((( 1300 1300 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec) 1399 +))) 1301 1301 1401 +((( 1302 1302 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1403 +))) 1303 1303 1405 +((( 1304 1304 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1407 +))) 1305 1305 1409 +((( 1306 1306 AT+PNM: Get or Set the public network mode. (0: off, 1: on) 1411 +))) 1307 1307 1413 +((( 1308 1308 AT+RX2FQ: Get or Set the Rx2 window frequency 1415 +))) 1309 1309 1417 +((( 1310 1310 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X) 1419 +))) 1311 1311 1421 +((( 1312 1312 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms 1423 +))) 1313 1313 1425 +((( 1314 1314 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms 1427 +))) 1315 1315 1429 +((( 1316 1316 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1431 +))) 1317 1317 1433 +((( 1318 1318 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1435 +))) 1319 1319 1437 +((( 1320 1320 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1439 +))) 1321 1321 1441 +((( 1322 1322 AT+NWKID: Get or Set the Network ID 1443 +))) 1323 1323 1445 +((( 1324 1324 AT+FCU: Get or Set the Frame Counter Uplink 1447 +))) 1325 1325 1449 +((( 1326 1326 AT+FCD: Get or Set the Frame Counter Downlink 1451 +))) 1327 1327 1453 +((( 1328 1328 AT+CLASS: Get or Set the Device Class 1455 +))) 1329 1329 1457 +((( 1330 1330 AT+JOIN: Join network 1459 +))) 1331 1331 1461 +((( 1332 1332 AT+NJS: Get OTAA Join Status 1463 +))) 1333 1333 1465 +((( 1334 1334 AT+SENDB: Send hexadecimal data along with the application port 1467 +))) 1335 1335 1469 +((( 1336 1336 AT+SEND: Send text data along with the application port 1471 +))) 1337 1337 1473 +((( 1338 1338 AT+RECVB: Print last received data in binary format (with hexadecimal values) 1475 +))) 1339 1339 1477 +((( 1340 1340 AT+RECV: Print last received data in raw format 1479 +))) 1341 1341 1481 +((( 1342 1342 AT+VER: Get current image version and Frequency Band 1483 +))) 1343 1343 1485 +((( 1344 1344 AT+CFM: Get or Set the confirmation mode (0-1) 1487 +))) 1345 1345 1489 +((( 1346 1346 AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1491 +))) 1347 1347 1493 +((( 1348 1348 AT+SNR: Get the SNR of the last received packet 1495 +))) 1349 1349 1497 +((( 1350 1350 AT+RSSI: Get the RSSI of the last received packet 1499 +))) 1351 1351 1501 +((( 1352 1352 AT+TDC: Get or set the application data transmission interval in ms 1503 +))) 1353 1353 1505 +((( 1354 1354 AT+PORT: Get or set the application port 1507 +))) 1355 1355 1509 +((( 1356 1356 AT+DISAT: Disable AT commands 1511 +))) 1357 1357 1513 +((( 1358 1358 AT+PWORD: Set password, max 9 digits 1515 +))) 1359 1359 1517 +((( 1360 1360 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode 1519 +))) 1361 1361 1521 +((( 1362 1362 AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470 1523 +))) 1363 1363 1525 +((( 1364 1364 AT+CFG: Print all settings 1527 +))) 1365 1365 1529 +== 4.2 Common AT Command Sequence == 1366 1366 1531 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1367 1367 1368 -1. 1369 -11. Common AT Command Sequence 1370 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1371 - 1533 +((( 1372 1372 If device has not joined network yet: 1535 +))) 1373 1373 1374 -123456 1537 +((( 1538 +(% style="background-color:#dcdcdc" %)123456 1539 +))) 1375 1375 1376 -AT+FDR 1541 +((( 1542 +(% style="background-color:#dcdcdc" %)AT+FDR 1543 +))) 1377 1377 1378 -123456 1545 +((( 1546 +(% style="background-color:#dcdcdc" %)123456 1547 +))) 1379 1379 1380 -AT+NJM=0 1549 +((( 1550 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1551 +))) 1381 1381 1382 -ATZ 1553 +((( 1554 +(% style="background-color:#dcdcdc" %)ATZ 1555 +))) 1383 1383 1384 1384 1558 +((( 1385 1385 If device already joined network: 1560 +))) 1386 1386 1387 -AT+NJM=0 1562 +((( 1563 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1564 +))) 1388 1388 1389 -ATZ 1566 +((( 1567 +(% style="background-color:#dcdcdc" %)ATZ 1568 +))) 1390 1390 1391 -1. 1392 -11. 1393 -111. Single-channel ABP mode (Use with LG01/LG02) 1570 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1394 1394 1395 -123456 Enter Password to have AT access. 1572 +((( 1573 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1574 +))) 1396 1396 1397 -AT+FDR Reset Parameters to Factory Default, Keys Reserve 1576 +((( 1577 +(% style="background-color:#dcdcdc" %) AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1578 +))) 1398 1398 1399 -123456 Enter Password to have AT access. 1580 +((( 1581 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1582 +))) 1400 1400 1401 -AT+CLASS=C Set to work in CLASS C 1584 +((( 1585 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C 1586 +))) 1402 1402 1403 -AT+NJM=0 Set to ABP mode 1588 +((( 1589 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1590 +))) 1404 1404 1405 -AT+ADR=0 Set the Adaptive Data Rate Off 1592 +((( 1593 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1594 +))) 1406 1406 1407 -AT+DR=5 Set Data Rate 1596 +((( 1597 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1598 +))) 1408 1408 1409 -AT+TDC=60000 Set transmit interval to 60 seconds 1600 +((( 1601 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1602 +))) 1410 1410 1411 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz 1604 +((( 1605 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1606 +))) 1412 1412 1413 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1608 +((( 1609 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1610 +))) 1414 1414 1415 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1612 +((( 1613 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1614 +))) 1416 1416 1417 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1616 +((( 1617 +(% 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. 1618 +))) 1418 1418 1419 -ATZ Reset MCU 1620 +((( 1621 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1622 +))) 1420 1420 1421 -**Note:** 1624 +((( 1625 +(% style="color:red" %)**Note:** 1626 +))) 1422 1422 1423 -1. Make sure the device is set to ABP mode in the IoT Server. 1424 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1425 -1. 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. 1426 -1. 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 1628 +((( 1629 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1630 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1631 +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. 1632 +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 1633 +))) 1427 1427 1428 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] 1635 +((( 1636 +[[image:1653359097980-169.png||height="188" width="729"]] 1637 +))) 1429 1429 1639 +((( 1640 + 1641 +))) 1430 1430 1431 -1. 1432 -11. 1433 -111. Change to Class A 1643 +=== 4.2.3 Change to Class A === 1434 1434 1435 1435 If sensor JOINED 1436 - 1437 -AT+CLASS=A 1438 - 1646 +(% style="background-color:#dcdcdc" %)AT+CLASS=A 1439 1439 ATZ 1440 1440 1649 += 5. FAQ = 1441 1441 1651 +== 5.1 How to upgrade the image? == 1442 1442 1443 - 1444 - 1445 -1. FAQ 1446 - 1447 -1. 1448 -11. How to upgrade the image? 1449 - 1450 1450 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1451 1451 1452 1452 * Support new features 1453 1453 * For bug fix 1454 1454 * Change LoRaWAN bands. 1455 - 1456 1456 Below shows the hardware connection for how to upload an image to the LT: 1659 +* [[image:1653359603330-121.png]] 1457 1457 1458 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1459 - 1460 - 1461 1461 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1462 - 1463 1463 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1464 - 1465 1465 **Step3: **Open flashloader; choose the correct COM port to update. 1664 +**For LT-22222-L**: 1665 +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. 1466 1466 1467 - **ForLT-33222-L**:1667 + [[image:image-20220524103407-12.png]] 1468 1468 1469 - Hold down the PRO button and thenmomentarily press the RST reset button and the **DO2 led** will changefrom OFF to ON. When **DO2 LED**is on, itmeans thedevice is in download mode.1669 +[[image:image-20220524103429-13.png]] 1470 1470 1471 - **For LT-22222-L**:1671 +[[image:image-20220524104033-15.png]] 1472 1472 1473 - HolddownthePRO button and thenmomentarilypress theRSTresetbutton andthe**DO1 led** will change fromOFFtoON.When**DO1 LED**is on,itmeansthe device isin download mode.1673 +(% 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: 1474 1474 1675 +[[image:1653360054704-518.png||height="186" width="745"]] 1475 1475 1677 +((( 1678 +((( 1679 +== 5.2 How to change the LoRa Frequency Bands/Region? == 1680 +))) 1681 +))) 1476 1476 1477 - |(((1478 - Board detected1683 +((( 1684 +User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download. 1479 1479 ))) 1480 1480 1481 - |(((1482 - 1687 +((( 1688 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1483 1483 ))) 1484 1484 1485 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] 1486 - 1487 - 1488 - 1489 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] 1490 - 1491 - 1492 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]] 1493 - 1494 - 1495 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1496 - 1497 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]] 1498 - 1499 - 1500 -1. 1501 -11. How to change the LoRa Frequency Bands/Region? 1502 - 1503 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. 1504 - 1505 - 1506 -1. 1507 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02? 1508 - 1691 +((( 1692 +((( 1509 1509 In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency. 1694 +))) 1695 +))) 1510 1510 1697 +((( 1698 +((( 1511 1511 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1700 +))) 1701 +))) 1512 1512 1703 +((( 1704 +(% 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. 1705 +))) 1513 1513 1514 -**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. 1707 +((( 1708 +[[image:1653360231087-571.png||height="401" width="727"]] 1709 +))) 1515 1515 1516 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]1711 +(% 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. 1517 1517 1518 - Note:userjustneed to makesureabove threekeysmatch, User canchangeeitherin TTN or Deviceto make thenmatch.InTTN, NETSKEY andAPPSKEYcan be configuredby userinsettingpage, butDeviceAddris generatedby TTN.1713 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1519 1519 1715 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1716 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1717 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1718 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1719 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1720 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1721 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1722 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1723 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1724 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1520 1520 1521 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1522 - 1523 -123456 Enter Password to have AT access. 1524 - 1525 -AT+FDR Reset Parameters to Factory Default, Keys Reserve 1526 - 1527 -123456 Enter Password to have AT access. 1528 - 1529 -AT+NJM=0 Set to ABP mode 1530 - 1531 -AT+ADR=0 Set the Adaptive Data Rate Off 1532 - 1533 -AT+DR=5 Set Data Rate (Set AT+DR=3 for 915 band) 1534 - 1535 -AT+TDC=60000 Set transmit interval to 60 seconds 1536 - 1537 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz 1538 - 1539 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1 1540 - 1541 -ATZ Reset MCU 1542 - 1543 1543 As shown in below: 1544 1544 1545 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]1728 +[[image:1653360498588-932.png||height="485" width="726"]] 1546 1546 1730 +== 5.4 Can I see counting event in Serial? == 1547 1547 1548 - 1549 -1. 1550 -11. Can I see counting event in Serial? 1551 - 1732 +((( 1552 1552 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. 1734 +))) 1553 1553 1736 +((( 1737 += 6. Trouble Shooting = 1738 +))) 1554 1554 1740 +((( 1741 +((( 1742 +== 6.1 Downlink doesn’t work, how to solve it? == 1743 +))) 1744 +))) 1555 1555 1556 - 1557 -1. Trouble Shooting 1558 -11. Downlink doesn’t work, how to solve it? 1559 - 1746 +((( 1560 1560 Please see this link for how to debug: 1561 1561 1749 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]] 1750 +))) 1751 + 1752 +((( 1562 1562 [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]] 1754 +))) 1563 1563 1756 +((( 1757 +== 6.2 Have trouble to upload image. == 1758 +))) 1564 1564 1565 -1. 1566 -11. Have trouble to upload image. 1567 - 1760 +((( 1568 1568 See this link for trouble shooting: 1762 +))) 1569 1569 1764 +((( 1570 1570 [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]] 1766 +))) 1571 1571 1768 +((( 1769 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1770 +))) 1572 1572 1573 -1. 1574 -11. Why I can’t join TTN in US915 /AU915 bands? 1575 - 1772 +((( 1576 1576 It might be about the channels mapping. Please see this link for detail: 1774 +))) 1577 1577 1776 +((( 1578 1578 [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]] 1778 +))) 1579 1579 1780 +((( 1781 += 7. Order Info = 1782 +))) 1580 1580 1784 +((( 1785 +((( 1786 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1787 +))) 1788 +))) 1581 1581 1790 +((( 1791 +((( 1792 +(% style="color:#4f81bd" %)**XXX:** 1793 +))) 1794 +))) 1582 1582 1583 -1. Order Info 1796 +* ((( 1797 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1798 +))) 1799 +* ((( 1800 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1801 +))) 1802 +* ((( 1803 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1804 +))) 1805 +* ((( 1806 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1807 +))) 1808 +* ((( 1809 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1810 +))) 1811 +* ((( 1812 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1813 +))) 1814 +* ((( 1815 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1816 +))) 1817 +* ((( 1818 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1819 +))) 1584 1584 1585 -**For LT-33222-L-XXX or LT-22222-L-XXX:** 1821 +((( 1822 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1586 1586 1587 -**XXX:** 1824 += 8. Packing Info = 1825 +))) 1588 1588 1589 -* **EU433**: LT with frequency bands EU433 1590 -* **EU868**: LT with frequency bands EU868 1591 -* **KR920**: LT with frequency bands KR920 1592 -* **CN470**: LT with frequency bands CN470 1593 -* **AS923**: LT with frequency bands AS923 1594 -* **AU915**: LT with frequency bands AU915 1595 -* **US915**: LT with frequency bands US915 1596 -* **IN865**: LT with frequency bands IN865 1597 -* **CN779**: LT with frequency bands CN779 1598 - 1599 -1. Packing Info 1600 - 1827 +((( 1828 +((( 1601 1601 **Package Includes**: 1830 +))) 1831 +))) 1602 1602 1603 -* LT I/O Controller x 1 1833 +((( 1834 +((( 1835 +* LT-22222-L I/O Controller x 1 1604 1604 * Stick Antenna for LoRa RF part x 1 1605 1605 * Bracket for controller x1 1606 1606 * Program cable x 1 1839 +))) 1840 +))) 1607 1607 1842 +((( 1843 +((( 1608 1608 **Dimension and weight**: 1845 +))) 1846 +))) 1609 1609 1848 +((( 1849 +((( 1610 1610 * Device Size: 13.5 x 7 x 3 cm 1611 1611 * Device Weight: 105g 1612 1612 * Package Size / pcs : 14.5 x 8 x 5 cm 1613 1613 * Weight / pcs : 170g 1854 +))) 1855 +))) 1614 1614 1615 -1. Support 1857 +((( 1858 += 9. Support = 1859 +))) 1616 1616 1617 -* 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. 1618 -* 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 1861 +* ((( 1862 +((( 1863 +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. 1864 +))) 1865 +))) 1866 +* ((( 1867 +((( 1868 +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 1869 +))) 1870 +))) 1619 1619 1620 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1872 +((( 1873 +((( 1874 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1875 +))) 1876 + 1877 +((( 1878 += 10. Reference = 1879 + 1880 +* Product Page: 1881 + 1882 +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]] 1883 + 1884 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 1885 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1886 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 1887 +))) 1888 +)))
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