Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -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 ... ... @@ -129,17 +129,22 @@ 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>>||anchor="H4.UseATCommand"]] to set the keys in the devices. 208 +))) 135 135 136 -3.2 Example to join LoRaWAN network 210 +== 3.2 Example to join LoRaWAN network == 137 137 212 +((( 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. 214 +))) 139 139 140 140 [[image:image-20220523172350-1.png||height="266" width="864"]] 141 141 142 - 143 143 ((( 144 144 The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN: 145 145 ))) ... ... @@ -235,7 +235,9 @@ 235 235 236 236 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 237 237 313 +((( 238 238 Total : 11 bytes payload 315 +))) 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. 251 251 329 +((( 252 252 (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L. 331 +))) 253 253 333 +((( 254 254 **To use counting mode, please run:** 335 +))) 255 255 256 256 (% class="box infomessage" %) 257 257 ((( 339 +((( 258 258 **AT+MOD=2** 259 259 ))) 342 +))) 260 260 261 261 (% class="box infomessage" %) 262 262 ((( 346 +((( 263 263 **ATZ** 264 264 ))) 349 +))) 265 265 351 +((( 266 266 (% style="color:#4f81bd" %)**AT Commands for counting:** 353 +))) 267 267 355 +((( 268 268 **For LT22222-L:** 357 +))) 269 269 270 270 (% class="box infomessage" %) 271 271 ((( 361 +((( 272 272 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 273 273 ))) 364 +))) 274 274 275 275 (% class="box infomessage" %) 276 276 ((( 368 +((( 277 277 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 278 278 ))) 371 +))) 279 279 280 280 (% class="box infomessage" %) 281 281 ((( 375 +((( 282 282 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 283 283 ))) 378 +))) 284 284 285 285 (% class="box infomessage" %) 286 286 ((( 382 +((( 287 287 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 288 288 ))) 385 +))) 289 289 290 290 (% class="box infomessage" %) 291 291 ((( 389 +((( 292 292 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 293 293 ))) 392 +))) 294 294 295 295 (% class="box infomessage" %) 296 296 ((( 396 +((( 297 297 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 298 298 ))) 399 +))) 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. 315 315 417 +((( 316 316 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 419 +))) 317 317 421 +((( 318 318 **To use counting mode, please run:** 423 +))) 319 319 320 320 (% class="box infomessage" %) 321 321 ((( 427 +((( 322 322 **AT+MOD=3** 323 323 ))) 430 +))) 324 324 325 325 (% class="box infomessage" %) 326 326 ((( 434 +((( 327 327 **ATZ** 328 328 ))) 437 +))) 329 329 330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 439 +((( 440 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 441 +))) 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. 349 349 461 +((( 350 350 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 463 +))) 351 351 465 +((( 352 352 **To use this mode, please run:** 467 +))) 353 353 354 354 (% class="box infomessage" %) 355 355 ((( 471 +((( 356 356 **AT+MOD=4** 357 357 ))) 474 +))) 358 358 359 359 (% class="box infomessage" %) 360 360 ((( 478 +((( 361 361 **ATZ** 362 362 ))) 481 +))) 363 363 483 +((( 484 + 485 +))) 364 364 365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 487 +((( 488 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 489 +))) 366 366 491 +((( 367 367 **Plus below command for AVI1 Counting:** 493 +))) 368 368 369 369 (% class="box infomessage" %) 370 370 ((( 497 +((( 371 371 **AT+SETCNT=3,60 (set AVI Count to 60)** 372 372 ))) 500 +))) 373 373 374 374 (% class="box infomessage" %) 375 375 ((( 504 +((( 376 376 **AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 377 377 ))) 507 +))) 378 378 379 379 (% class="box infomessage" %) 380 380 ((( 511 +((( 381 381 **AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 382 382 ))) 514 +))) 383 383 384 384 (% class="box infomessage" %) 385 385 ((( 518 +((( 386 386 **AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 387 387 ))) 521 +))) 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. 535 +* ((( 536 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 537 +))) 402 402 539 +((( 403 403 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 541 +))) 404 404 543 +((( 405 405 **To use this mode, please run:** 545 +))) 406 406 407 407 (% class="box infomessage" %) 408 408 ((( 549 +((( 409 409 **AT+MOD=5** 410 410 ))) 552 +))) 411 411 412 412 (% class="box infomessage" %) 413 413 ((( 556 +((( 414 414 **ATZ** 415 415 ))) 559 +))) 416 416 417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]]. 561 +((( 562 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 563 +))) 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]]612 +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 00 632 +**Example2**: AA 02 01 00 487 487 488 488 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 489 489 ... ... @@ -556,7 +556,7 @@ 556 556 557 557 === 3.4.1 Common Commands === 558 558 559 -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>> http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]705 +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]] 560 560 561 561 === 3.4.2 Sensor related commands === 562 562 ... ... @@ -822,8 +822,10 @@ 822 822 823 823 (% class="box infomessage" %) 824 824 ((( 971 +((( 825 825 **0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 826 826 ))) 974 +))) 827 827 828 828 This is to control the digital output time of DO pin. Include four bytes: 829 829 ... ... @@ -1026,24 +1026,29 @@ 1026 1026 **0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1027 1027 ))) 1028 1028 1177 +((( 1029 1029 range: aa bb cc:0 to 16777215, (unit:second) 1179 +))) 1030 1030 1031 1031 == 3.5 Integrate with Mydevice == 1032 1032 1033 1033 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: 1034 1034 1185 +((( 1035 1035 **Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1187 +))) 1036 1036 1189 +((( 1037 1037 **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: 1191 +))) 1038 1038 1039 1039 [[image:1653356737703-362.png||height="232" width="732"]] 1040 1040 1041 1041 [[image:image-20220524094641-11.png||height="390" width="723"]] 1042 1042 1043 - 1044 1044 [[image:image-20220524094641-12.png||height="402" width="718"]] 1045 1045 1046 -**Step 3: Create an account or log in Mydevices.1199 +**Step 3**: Create an account or log in Mydevices. 1047 1047 1048 1048 **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1049 1049 ... ... @@ -1053,7 +1053,6 @@ 1053 1053 1054 1054 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1055 1055 1056 - 1057 1057 [[image:image-20220524094909-1.png||height="335" width="729"]] 1058 1058 1059 1059 [[image:image-20220524094909-2.png||height="337" width="729"]] ... ... @@ -1064,10 +1064,6 @@ 1064 1064 1065 1065 [[image:image-20220524094909-5.png||height="341" width="734"]] 1066 1066 1067 - 1068 - 1069 - 1070 - 1071 1071 == 3.6 Interface Detail == 1072 1072 1073 1073 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1083,8 +1083,10 @@ 1083 1083 ))) 1084 1084 1085 1085 ((( 1234 +((( 1086 1086 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 1087 1087 ))) 1237 +))) 1088 1088 1089 1089 [[image:1653357170703-587.png]] 1090 1090 ... ... @@ -1102,7 +1102,7 @@ 1102 1102 1103 1103 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1104 1104 1105 - IF// = DI1+ / 1K.1255 +[[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:/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:/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:/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:/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:/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:/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:/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.** 1106 1106 1107 1107 If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1108 1108 ... ... @@ -1116,9 +1116,9 @@ 1116 1116 1117 1117 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1118 1118 1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1269 +[[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:/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:/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:/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:/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:/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:/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:/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.** 1120 1120 1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1271 +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:/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:/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:/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:/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:/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:/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:/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. 1122 1122 1123 1123 1124 1124 **Example3**: Connect to a 220v high active sensor. ... ... @@ -1130,9 +1130,9 @@ 1130 1130 1131 1131 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1132 1132 1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1283 + [[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:/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:/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:/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:/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:/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:/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:/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.** 1134 1134 1135 -If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %) 1285 +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. 1136 1136 1137 1137 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1138 1138 ... ... @@ -1173,12 +1173,10 @@ 1173 1173 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: 1174 1174 ))) 1175 1175 1176 - 1177 1177 [[image:image-20220524100215-9.png]] 1178 1178 1179 1179 [[image:image-20220524100215-10.png||height="382" width="723"]] 1180 1180 1181 - 1182 1182 == 3.7 LEDs Indicators == 1183 1183 1184 1184 [[image:image-20220524100748-11.png]] ... ... @@ -1189,360 +1189,597 @@ 1189 1189 1190 1190 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. 1191 1191 1192 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]1340 +[[image:1653358238933-385.png]] 1193 1193 1342 +((( 1343 +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: 1344 +))) 1194 1194 1195 - 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:1346 +[[image:1653358355238-883.png]] 1196 1196 1197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]] 1198 - 1199 - 1348 +((( 1200 1200 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/]] 1350 +))) 1201 1201 1352 +((( 1202 1202 AT+<CMD>? : Help on <CMD> 1354 +))) 1203 1203 1356 +((( 1204 1204 AT+<CMD> : Run <CMD> 1358 +))) 1205 1205 1360 +((( 1206 1206 AT+<CMD>=<value> : Set the value 1362 +))) 1207 1207 1364 +((( 1208 1208 AT+<CMD>=? : Get the value 1366 +))) 1209 1209 1368 +((( 1210 1210 ATZ: Trig a reset of the MCU 1370 +))) 1211 1211 1372 +((( 1212 1212 AT+FDR: Reset Parameters to Factory Default, Keys Reserve 1374 +))) 1213 1213 1376 +((( 1214 1214 AT+DEUI: Get or Set the Device EUI 1378 +))) 1215 1215 1380 +((( 1216 1216 AT+DADDR: Get or Set the Device Address 1382 +))) 1217 1217 1384 +((( 1218 1218 AT+APPKEY: Get or Set the Application Key 1386 +))) 1219 1219 1388 +((( 1220 1220 AT+NWKSKEY: Get or Set the Network Session Key 1390 +))) 1221 1221 1392 +((( 1222 1222 AT+APPSKEY: Get or Set the Application Session Key 1394 +))) 1223 1223 1396 +((( 1224 1224 AT+APPEUI: Get or Set the Application EUI 1398 +))) 1225 1225 1400 +((( 1226 1226 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on) 1402 +))) 1227 1227 1404 +((( 1228 1228 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec) 1406 +))) 1229 1229 1408 +((( 1230 1230 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1410 +))) 1231 1231 1412 +((( 1232 1232 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1414 +))) 1233 1233 1416 +((( 1234 1234 AT+PNM: Get or Set the public network mode. (0: off, 1: on) 1418 +))) 1235 1235 1420 +((( 1236 1236 AT+RX2FQ: Get or Set the Rx2 window frequency 1422 +))) 1237 1237 1424 +((( 1238 1238 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X) 1426 +))) 1239 1239 1428 +((( 1240 1240 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms 1430 +))) 1241 1241 1432 +((( 1242 1242 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms 1434 +))) 1243 1243 1436 +((( 1244 1244 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1438 +))) 1245 1245 1440 +((( 1246 1246 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1442 +))) 1247 1247 1444 +((( 1248 1248 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1446 +))) 1249 1249 1448 +((( 1250 1250 AT+NWKID: Get or Set the Network ID 1450 +))) 1251 1251 1452 +((( 1252 1252 AT+FCU: Get or Set the Frame Counter Uplink 1454 +))) 1253 1253 1456 +((( 1254 1254 AT+FCD: Get or Set the Frame Counter Downlink 1458 +))) 1255 1255 1460 +((( 1256 1256 AT+CLASS: Get or Set the Device Class 1462 +))) 1257 1257 1464 +((( 1258 1258 AT+JOIN: Join network 1466 +))) 1259 1259 1468 +((( 1260 1260 AT+NJS: Get OTAA Join Status 1470 +))) 1261 1261 1472 +((( 1262 1262 AT+SENDB: Send hexadecimal data along with the application port 1474 +))) 1263 1263 1476 +((( 1264 1264 AT+SEND: Send text data along with the application port 1478 +))) 1265 1265 1480 +((( 1266 1266 AT+RECVB: Print last received data in binary format (with hexadecimal values) 1482 +))) 1267 1267 1484 +((( 1268 1268 AT+RECV: Print last received data in raw format 1486 +))) 1269 1269 1488 +((( 1270 1270 AT+VER: Get current image version and Frequency Band 1490 +))) 1271 1271 1492 +((( 1272 1272 AT+CFM: Get or Set the confirmation mode (0-1) 1494 +))) 1273 1273 1496 +((( 1274 1274 AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1498 +))) 1275 1275 1500 +((( 1276 1276 AT+SNR: Get the SNR of the last received packet 1502 +))) 1277 1277 1504 +((( 1278 1278 AT+RSSI: Get the RSSI of the last received packet 1506 +))) 1279 1279 1508 +((( 1280 1280 AT+TDC: Get or set the application data transmission interval in ms 1510 +))) 1281 1281 1512 +((( 1282 1282 AT+PORT: Get or set the application port 1514 +))) 1283 1283 1516 +((( 1284 1284 AT+DISAT: Disable AT commands 1518 +))) 1285 1285 1520 +((( 1286 1286 AT+PWORD: Set password, max 9 digits 1522 +))) 1287 1287 1524 +((( 1288 1288 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode 1526 +))) 1289 1289 1528 +((( 1290 1290 AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470 1530 +))) 1291 1291 1532 +((( 1292 1292 AT+CFG: Print all settings 1534 +))) 1293 1293 1536 +== 4.2 Common AT Command Sequence == 1294 1294 1538 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1295 1295 1296 -1. 1297 -11. Common AT Command Sequence 1298 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1299 - 1540 +((( 1300 1300 If device has not joined network yet: 1542 +))) 1301 1301 1302 -123456 1544 +((( 1545 +(% style="background-color:#dcdcdc" %)123456 1546 +))) 1303 1303 1304 -AT+FDR 1548 +((( 1549 +(% style="background-color:#dcdcdc" %)AT+FDR 1550 +))) 1305 1305 1306 -123456 1552 +((( 1553 +(% style="background-color:#dcdcdc" %)123456 1554 +))) 1307 1307 1308 -AT+NJM=0 1556 +((( 1557 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1558 +))) 1309 1309 1310 -ATZ 1560 +((( 1561 +(% style="background-color:#dcdcdc" %)ATZ 1562 +))) 1311 1311 1312 1312 1565 +((( 1313 1313 If device already joined network: 1567 +))) 1314 1314 1315 -AT+NJM=0 1569 +((( 1570 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1571 +))) 1316 1316 1317 -ATZ 1573 +((( 1574 +(% style="background-color:#dcdcdc" %)ATZ 1575 +))) 1318 1318 1319 -1. 1320 -11. 1321 -111. Single-channel ABP mode (Use with LG01/LG02) 1577 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1322 1322 1323 -123456 Enter Password to have AT access. 1579 +((( 1580 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1581 +))) 1324 1324 1325 -AT+FDR Reset Parameters to Factory Default, Keys Reserve 1583 +((( 1584 +(% style="background-color:#dcdcdc" %) AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1585 +))) 1326 1326 1327 -123456 Enter Password to have AT access. 1587 +((( 1588 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1589 +))) 1328 1328 1329 -AT+CLASS=C Set to work in CLASS C 1591 +((( 1592 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C 1593 +))) 1330 1330 1331 -AT+NJM=0 Set to ABP mode 1595 +((( 1596 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1597 +))) 1332 1332 1333 -AT+ADR=0 Set the Adaptive Data Rate Off 1599 +((( 1600 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1601 +))) 1334 1334 1335 -AT+DR=5 Set Data Rate 1603 +((( 1604 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1605 +))) 1336 1336 1337 -AT+TDC=60000 Set transmit interval to 60 seconds 1607 +((( 1608 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1609 +))) 1338 1338 1339 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz 1611 +((( 1612 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1613 +))) 1340 1340 1341 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1615 +((( 1616 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1617 +))) 1342 1342 1343 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1619 +((( 1620 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1621 +))) 1344 1344 1345 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1623 +((( 1624 +(% 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. 1625 +))) 1346 1346 1347 -ATZ Reset MCU 1627 +((( 1628 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1629 +))) 1348 1348 1349 -**Note:** 1631 +((( 1632 +(% style="color:red" %)**Note:** 1633 +))) 1350 1350 1351 -1. Make sure the device is set to ABP mode in the IoT Server. 1352 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1353 -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. 1354 -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 1635 +((( 1636 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1637 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1638 +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. 1639 +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 1640 +))) 1355 1355 1356 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] 1642 +((( 1643 +[[image:1653359097980-169.png||height="188" width="729"]] 1644 +))) 1357 1357 1646 +((( 1647 + 1648 +))) 1358 1358 1359 -1. 1360 -11. 1361 -111. Change to Class A 1650 +=== 4.2.3 Change to Class A === 1362 1362 1363 1363 If sensor JOINED 1364 - 1365 -AT+CLASS=A 1366 - 1653 +(% style="background-color:#dcdcdc" %)AT+CLASS=A 1367 1367 ATZ 1368 1368 1656 += 5. FAQ = 1369 1369 1658 +== 5.1 How to upgrade the image? == 1370 1370 1371 - 1372 - 1373 -1. FAQ 1374 - 1375 -1. 1376 -11. How to upgrade the image? 1377 - 1378 1378 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1379 1379 1380 1380 * Support new features 1381 1381 * For bug fix 1382 1382 * Change LoRaWAN bands. 1383 - 1384 1384 Below shows the hardware connection for how to upload an image to the LT: 1666 +* [[image:1653359603330-121.png]] 1385 1385 1386 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1387 - 1388 - 1668 +((( 1389 1389 **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]]. 1390 - 1391 1391 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1392 - 1393 1393 **Step3: **Open flashloader; choose the correct COM port to update. 1394 - 1395 -**For LT-33222-L**: 1396 - 1397 -Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode. 1398 - 1399 1399 **For LT-22222-L**: 1400 - 1401 1401 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. 1402 - 1403 - 1404 - 1405 -|((( 1406 -Board detected 1407 1407 ))) 1408 1408 1409 -|((( 1410 - 1411 -))) 1676 + [[image:image-20220524103407-12.png]] 1412 1412 1413 -[[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]]1678 +[[image:image-20220524103429-13.png]] 1414 1414 1680 +[[image:image-20220524104033-15.png]] 1415 1415 1682 +(% 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: 1416 1416 1417 -[[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]]1684 +[[image:1653360054704-518.png||height="186" width="745"]] 1418 1418 1686 +((( 1687 +((( 1688 +== 5.2 How to change the LoRa Frequency Bands/Region? == 1689 +))) 1690 +))) 1419 1419 1420 -[[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]] 1692 +((( 1693 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1694 +))) 1421 1421 1696 +((( 1697 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1698 +))) 1422 1422 1423 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1424 - 1425 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]] 1426 - 1427 - 1428 -1. 1429 -11. How to change the LoRa Frequency Bands/Region? 1430 - 1431 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. 1432 - 1433 - 1434 -1. 1435 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02? 1436 - 1700 +((( 1701 +((( 1437 1437 In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency. 1703 +))) 1704 +))) 1438 1438 1706 +((( 1707 +((( 1439 1439 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1709 +))) 1710 +))) 1440 1440 1712 +((( 1713 +(% 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. 1714 +))) 1441 1441 1442 -**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. 1716 +((( 1717 +[[image:1653360231087-571.png||height="401" width="727"]] 1718 +))) 1443 1443 1444 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]] 1720 +((( 1721 +(% 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. 1722 +))) 1445 1445 1446 -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. 1724 +((( 1725 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1726 +))) 1447 1447 1728 +((( 1729 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1730 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1731 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1732 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1733 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1734 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1735 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1736 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1737 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1738 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1739 +))) 1448 1448 1449 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1741 +((( 1742 +As shown in below: 1743 +))) 1450 1450 1451 -1 23456 EnterPasswordohave AT access.1745 +[[image:1653360498588-932.png||height="485" width="726"]] 1452 1452 1453 - AT+FDRResetParametersto Factory Default,KeysReserve1747 +== 5.4 Can I see counting event in Serial? == 1454 1454 1455 -123456 Enter Password to have AT access. 1749 +((( 1750 +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. 1751 +))) 1456 1456 1457 -AT+NJM=0 Set to ABP mode 1753 +((( 1754 += 6. Trouble Shooting = 1755 +))) 1458 1458 1459 -AT+ADR=0 Set the Adaptive Data Rate Off 1757 +((( 1758 +((( 1759 +== 6.1 Downlink doesn’t work, how to solve it? == 1760 +))) 1761 +))) 1460 1460 1461 -AT+DR=5 Set Data Rate (Set AT+DR=3 for 915 band) 1763 +((( 1764 +Please see this link for how to debug: [[How it work>>LoRaWAN_Communication_Debug]] 1462 1462 1463 -AT+TDC=60000 Set transmit interval to 60 seconds 1464 1464 1465 -A T+CHS=868400000 Setsmit frequencyto868.4Mhz1767 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]] 1466 1466 1467 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1 1769 + 1770 +))) 1468 1468 1469 -ATZ Reset MCU 1772 +((( 1773 +== 6.2 Have trouble to upload image. == 1774 +))) 1470 1470 1471 -As shown in below: 1776 +((( 1777 +See this link for trouble shooting: 1472 1472 1473 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]] 1779 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 1780 +))) 1474 1474 1782 +((( 1783 + 1784 +))) 1475 1475 1786 +((( 1787 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1788 +))) 1476 1476 1477 - 1.1478 - 11. CanIseecounting event inSerial?1790 +((( 1791 +It might be about the channels mapping. Please see this link for detail: 1479 1479 1480 -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. 1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]] 1794 +))) 1481 1481 1796 +((( 1797 + 1798 +))) 1482 1482 1800 +((( 1801 += 7. Order Info = 1802 +))) 1483 1483 1804 +((( 1805 +((( 1806 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1807 +))) 1808 +))) 1484 1484 1485 -1. Trouble Shooting 1486 -11. Downlink doesn’t work, how to solve it? 1810 +((( 1811 +((( 1812 +(% style="color:#4f81bd" %)**XXX:** 1813 +))) 1814 +))) 1487 1487 1488 -Please see this link for how to debug: 1816 +((( 1817 +* ((( 1818 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1819 +))) 1820 +))) 1489 1489 1490 -[[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]] 1822 +((( 1823 +* ((( 1824 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1825 +))) 1826 +))) 1491 1491 1828 +((( 1829 +* ((( 1830 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1831 +))) 1832 +))) 1492 1492 1493 -1. 1494 -11. Have trouble to upload image. 1834 +((( 1835 +* ((( 1836 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1837 +))) 1838 +))) 1495 1495 1496 -See this link for trouble shooting: 1840 +((( 1841 +* ((( 1842 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1843 +))) 1844 +))) 1497 1497 1498 -[[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]] 1846 +((( 1847 +* ((( 1848 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1849 +))) 1850 +))) 1499 1499 1852 +((( 1853 +* ((( 1854 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1855 +))) 1856 +))) 1500 1500 1501 -1. 1502 -11. Why I can’t join TTN in US915 /AU915 bands? 1858 +((( 1859 +* ((( 1860 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1861 +))) 1862 +))) 1503 1503 1504 -It might be about the channels mapping. Please see this link for detail: 1864 +((( 1865 +* ((( 1866 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1867 +))) 1505 1505 1506 -[[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]] 1869 += 8. Packing Info = 1870 +))) 1507 1507 1508 - 1509 - 1510 - 1511 -1. Order Info 1512 - 1513 -**For LT-33222-L-XXX or LT-22222-L-XXX:** 1514 - 1515 -**XXX:** 1516 - 1517 -* **EU433**: LT with frequency bands EU433 1518 -* **EU868**: LT with frequency bands EU868 1519 -* **KR920**: LT with frequency bands KR920 1520 -* **CN470**: LT with frequency bands CN470 1521 -* **AS923**: LT with frequency bands AS923 1522 -* **AU915**: LT with frequency bands AU915 1523 -* **US915**: LT with frequency bands US915 1524 -* **IN865**: LT with frequency bands IN865 1525 -* **CN779**: LT with frequency bands CN779 1526 - 1527 -1. Packing Info 1528 - 1872 +((( 1873 +((( 1529 1529 **Package Includes**: 1875 +))) 1876 +))) 1530 1530 1531 -* LT I/O Controller x 1 1878 +((( 1879 +((( 1880 +* LT-22222-L I/O Controller x 1 1532 1532 * Stick Antenna for LoRa RF part x 1 1533 1533 * Bracket for controller x1 1534 1534 * Program cable x 1 1884 +))) 1885 +))) 1535 1535 1887 +((( 1888 +((( 1536 1536 **Dimension and weight**: 1890 +))) 1891 +))) 1537 1537 1893 +((( 1894 +((( 1538 1538 * Device Size: 13.5 x 7 x 3 cm 1539 1539 * Device Weight: 105g 1540 1540 * Package Size / pcs : 14.5 x 8 x 5 cm 1541 1541 * Weight / pcs : 170g 1899 +))) 1900 +))) 1542 1542 1543 -1. Support 1902 +((( 1903 += 9. Support = 1904 +))) 1544 1544 1545 -* 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. 1546 -* 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 1906 +* ((( 1907 +((( 1908 +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. 1909 +))) 1910 +))) 1911 +* ((( 1912 +((( 1913 +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 1914 +))) 1915 +))) 1547 1547 1548 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1917 +((( 1918 +((( 1919 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1920 +))) 1921 + 1922 +((( 1923 += 10. Reference = 1924 + 1925 +* Product Page: 1926 + 1927 +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]] 1928 + 1929 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 1930 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1931 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 1932 +))) 1933 +)))
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