Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 11 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -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 ... ... @@ -1169,415 +1169,615 @@ 1169 1169 1170 1170 === 3.6.5 Relay Output === 1171 1171 1322 +((( 1172 1172 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: 1324 +))) 1173 1173 1174 - 1175 1175 [[image:image-20220524100215-9.png]] 1176 1176 1177 - 1178 1178 [[image:image-20220524100215-10.png||height="382" width="723"]] 1179 1179 1330 +== 3.7 LEDs Indicators == 1180 1180 1332 +[[image:image-20220524100748-11.png]] 1181 1181 1334 += 4. Use AT Command = 1182 1182 1336 +== 4.1 Access AT Command == 1183 1183 1338 +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. 1184 1184 1185 -1. 1186 -11. LEDs Indicators 1340 +[[image:1653358238933-385.png]] 1187 1187 1188 -(% border="1" style="background-color:#f7faff" %) 1189 -|**LEDs**|**Feature** 1190 -|**PWR**|Always on if there is power 1191 -|**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. 1192 -|**TX**|((( 1193 -Device boot: TX blinks 5 times. 1194 - 1195 -Successful join network: TX ON for 5 seconds. 1196 - 1197 -Transmit a LoRa packet: TX blinks once 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: 1198 1198 ))) 1199 -|**RX**|RX blinks once when receive a packet. 1200 -|**DO1**| 1201 -|**DO2**| 1202 -|**DO3**| 1203 -|**DI2**|((( 1204 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1205 1205 1206 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1207 -))) 1208 -|**DI2**|((( 1209 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1346 +[[image:1653358355238-883.png]] 1210 1210 1211 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1348 +((( 1349 +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/]] 1212 1212 ))) 1213 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high 1214 -|**DI2**|((( 1215 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1216 1216 1217 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1352 +((( 1353 +AT+<CMD>? : Help on <CMD> 1218 1218 ))) 1219 -|**RO1**| 1220 -|**RO2**| 1221 1221 1222 -1. Use AT Command 1223 -11. Access AT Command 1224 - 1225 -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. 1226 - 1227 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1228 - 1229 - 1230 -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 shown below: 1231 - 1232 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]] 1233 - 1234 - 1235 -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/]] 1236 - 1237 -AT+<CMD>? : Help on <CMD> 1238 - 1356 +((( 1239 1239 AT+<CMD> : Run <CMD> 1358 +))) 1240 1240 1360 +((( 1241 1241 AT+<CMD>=<value> : Set the value 1362 +))) 1242 1242 1364 +((( 1243 1243 AT+<CMD>=? : Get the value 1366 +))) 1244 1244 1368 +((( 1245 1245 ATZ: Trig a reset of the MCU 1370 +))) 1246 1246 1372 +((( 1247 1247 AT+FDR: Reset Parameters to Factory Default, Keys Reserve 1374 +))) 1248 1248 1376 +((( 1249 1249 AT+DEUI: Get or Set the Device EUI 1378 +))) 1250 1250 1380 +((( 1251 1251 AT+DADDR: Get or Set the Device Address 1382 +))) 1252 1252 1384 +((( 1253 1253 AT+APPKEY: Get or Set the Application Key 1386 +))) 1254 1254 1388 +((( 1255 1255 AT+NWKSKEY: Get or Set the Network Session Key 1390 +))) 1256 1256 1392 +((( 1257 1257 AT+APPSKEY: Get or Set the Application Session Key 1394 +))) 1258 1258 1396 +((( 1259 1259 AT+APPEUI: Get or Set the Application EUI 1398 +))) 1260 1260 1400 +((( 1261 1261 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on) 1402 +))) 1262 1262 1404 +((( 1263 1263 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec) 1406 +))) 1264 1264 1408 +((( 1265 1265 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1410 +))) 1266 1266 1412 +((( 1267 1267 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1414 +))) 1268 1268 1416 +((( 1269 1269 AT+PNM: Get or Set the public network mode. (0: off, 1: on) 1418 +))) 1270 1270 1420 +((( 1271 1271 AT+RX2FQ: Get or Set the Rx2 window frequency 1422 +))) 1272 1272 1424 +((( 1273 1273 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X) 1426 +))) 1274 1274 1428 +((( 1275 1275 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms 1430 +))) 1276 1276 1432 +((( 1277 1277 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms 1434 +))) 1278 1278 1436 +((( 1279 1279 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1438 +))) 1280 1280 1440 +((( 1281 1281 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1442 +))) 1282 1282 1444 +((( 1283 1283 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1446 +))) 1284 1284 1448 +((( 1285 1285 AT+NWKID: Get or Set the Network ID 1450 +))) 1286 1286 1452 +((( 1287 1287 AT+FCU: Get or Set the Frame Counter Uplink 1454 +))) 1288 1288 1456 +((( 1289 1289 AT+FCD: Get or Set the Frame Counter Downlink 1458 +))) 1290 1290 1460 +((( 1291 1291 AT+CLASS: Get or Set the Device Class 1462 +))) 1292 1292 1464 +((( 1293 1293 AT+JOIN: Join network 1466 +))) 1294 1294 1468 +((( 1295 1295 AT+NJS: Get OTAA Join Status 1470 +))) 1296 1296 1472 +((( 1297 1297 AT+SENDB: Send hexadecimal data along with the application port 1474 +))) 1298 1298 1476 +((( 1299 1299 AT+SEND: Send text data along with the application port 1478 +))) 1300 1300 1480 +((( 1301 1301 AT+RECVB: Print last received data in binary format (with hexadecimal values) 1482 +))) 1302 1302 1484 +((( 1303 1303 AT+RECV: Print last received data in raw format 1486 +))) 1304 1304 1488 +((( 1305 1305 AT+VER: Get current image version and Frequency Band 1490 +))) 1306 1306 1492 +((( 1307 1307 AT+CFM: Get or Set the confirmation mode (0-1) 1494 +))) 1308 1308 1496 +((( 1309 1309 AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1498 +))) 1310 1310 1500 +((( 1311 1311 AT+SNR: Get the SNR of the last received packet 1502 +))) 1312 1312 1504 +((( 1313 1313 AT+RSSI: Get the RSSI of the last received packet 1506 +))) 1314 1314 1508 +((( 1315 1315 AT+TDC: Get or set the application data transmission interval in ms 1510 +))) 1316 1316 1512 +((( 1317 1317 AT+PORT: Get or set the application port 1514 +))) 1318 1318 1516 +((( 1319 1319 AT+DISAT: Disable AT commands 1518 +))) 1320 1320 1520 +((( 1321 1321 AT+PWORD: Set password, max 9 digits 1522 +))) 1322 1322 1524 +((( 1323 1323 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode 1526 +))) 1324 1324 1528 +((( 1325 1325 AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470 1530 +))) 1326 1326 1532 +((( 1327 1327 AT+CFG: Print all settings 1534 +))) 1328 1328 1536 +== 4.2 Common AT Command Sequence == 1329 1329 1538 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1330 1330 1331 -1. 1332 -11. Common AT Command Sequence 1333 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1334 - 1540 +((( 1335 1335 If device has not joined network yet: 1542 +))) 1336 1336 1337 -123456 1544 +((( 1545 +(% style="background-color:#dcdcdc" %)123456 1546 +))) 1338 1338 1339 -AT+FDR 1548 +((( 1549 +(% style="background-color:#dcdcdc" %)AT+FDR 1550 +))) 1340 1340 1341 -123456 1552 +((( 1553 +(% style="background-color:#dcdcdc" %)123456 1554 +))) 1342 1342 1343 -AT+NJM=0 1556 +((( 1557 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1558 +))) 1344 1344 1345 -ATZ 1560 +((( 1561 +(% style="background-color:#dcdcdc" %)ATZ 1562 +))) 1346 1346 1347 1347 1565 +((( 1348 1348 If device already joined network: 1567 +))) 1349 1349 1350 -AT+NJM=0 1569 +((( 1570 +(% style="background-color:#dcdcdc" %)AT+NJM=0 1571 +))) 1351 1351 1352 -ATZ 1573 +((( 1574 +(% style="background-color:#dcdcdc" %)ATZ 1575 +))) 1353 1353 1354 -1. 1355 -11. 1356 -111. Single-channel ABP mode (Use with LG01/LG02) 1577 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1357 1357 1358 -123456 Enter Password to have AT access. 1579 +((( 1580 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1581 +))) 1359 1359 1360 -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 +))) 1361 1361 1362 -123456 Enter Password to have AT access. 1587 +((( 1588 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1589 +))) 1363 1363 1364 -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 +))) 1365 1365 1366 -AT+NJM=0 Set to ABP mode 1595 +((( 1596 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1597 +))) 1367 1367 1368 -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 +))) 1369 1369 1370 -AT+DR=5 Set Data Rate 1603 +((( 1604 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1605 +))) 1371 1371 1372 -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 +))) 1373 1373 1374 -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 +))) 1375 1375 1376 -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 +))) 1377 1377 1378 -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 +))) 1379 1379 1380 -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 +))) 1381 1381 1382 -ATZ Reset MCU 1627 +((( 1628 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1629 +))) 1383 1383 1384 -**Note:** 1631 +((( 1632 +(% style="color:red" %)**Note:** 1633 +))) 1385 1385 1386 -1. Make sure the device is set to ABP mode in the IoT Server. 1387 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1388 -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. 1389 -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 +))) 1390 1390 1391 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] 1642 +((( 1643 +[[image:1653359097980-169.png||height="188" width="729"]] 1644 +))) 1392 1392 1646 +((( 1647 + 1648 +))) 1393 1393 1394 -1. 1395 -11. 1396 -111. Change to Class A 1650 +=== 4.2.3 Change to Class A === 1397 1397 1398 1398 If sensor JOINED 1399 - 1400 -AT+CLASS=A 1401 - 1653 +(% style="background-color:#dcdcdc" %)AT+CLASS=A 1402 1402 ATZ 1403 1403 1656 += 5. FAQ = 1404 1404 1658 +== 5.1 How to upgrade the image? == 1405 1405 1406 - 1407 - 1408 -1. FAQ 1409 - 1410 -1. 1411 -11. How to upgrade the image? 1412 - 1413 1413 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1414 1414 1415 1415 * Support new features 1416 1416 * For bug fix 1417 1417 * Change LoRaWAN bands. 1418 - 1419 1419 Below shows the hardware connection for how to upload an image to the LT: 1666 +* [[image:1653359603330-121.png]] 1420 1420 1421 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1422 - 1423 - 1668 +((( 1424 1424 **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]]. 1425 - 1426 1426 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1427 - 1428 1428 **Step3: **Open flashloader; choose the correct COM port to update. 1429 - 1430 -**For LT-33222-L**: 1431 - 1432 -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. 1433 - 1434 1434 **For LT-22222-L**: 1435 - 1436 1436 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. 1437 - 1438 - 1439 - 1440 -|((( 1441 -Board detected 1442 1442 ))) 1443 1443 1444 -|((( 1445 - 1446 -))) 1676 + [[image:image-20220524103407-12.png]] 1447 1447 1448 -[[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]] 1449 1449 1680 +[[image:image-20220524104033-15.png]] 1450 1450 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: 1451 1451 1452 -[[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"]] 1453 1453 1686 +((( 1687 +((( 1688 +== 5.2 How to change the LoRa Frequency Bands/Region? == 1689 +))) 1690 +))) 1454 1454 1455 -[[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 +))) 1456 1456 1696 +((( 1697 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1698 +))) 1457 1457 1458 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1459 - 1460 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]] 1461 - 1462 - 1463 -1. 1464 -11. How to change the LoRa Frequency Bands/Region? 1465 - 1466 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. 1467 - 1468 - 1469 -1. 1470 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02? 1471 - 1700 +((( 1701 +((( 1472 1472 In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency. 1703 +))) 1704 +))) 1473 1473 1706 +((( 1707 +((( 1474 1474 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1709 +))) 1710 +))) 1475 1475 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 +))) 1476 1476 1477 -**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 +))) 1478 1478 1479 -[[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 +))) 1480 1480 1481 -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 +))) 1482 1482 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 +))) 1483 1483 1484 -**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 +))) 1485 1485 1486 -1 23456 EnterPasswordohave AT access.1745 +[[image:1653360498588-932.png||height="485" width="726"]] 1487 1487 1488 - AT+FDRResetParametersto Factory Default,KeysReserve1747 +== 5.4 Can I see counting event in Serial? == 1489 1489 1490 -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 +))) 1491 1491 1492 -AT+NJM=0 Set to ABP mode 1753 +((( 1754 += 6. Trouble Shooting = 1755 +))) 1493 1493 1494 -AT+ADR=0 Set the Adaptive Data Rate Off 1757 +((( 1758 +((( 1759 +== 6.1 Downlink doesn’t work, how to solve it? == 1760 +))) 1761 +))) 1495 1495 1496 -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]] 1497 1497 1498 -AT+TDC=60000 Set transmit interval to 60 seconds 1499 1499 1500 -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]] 1501 1501 1502 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1 1769 + 1770 +))) 1503 1503 1504 -ATZ Reset MCU 1772 +((( 1773 +== 6.2 Have trouble to upload image. == 1774 +))) 1505 1505 1506 -As shown in below: 1776 +((( 1777 +See this link for trouble shooting: 1507 1507 1508 -[[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 +))) 1509 1509 1782 +((( 1783 + 1784 +))) 1510 1510 1786 +((( 1787 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1788 +))) 1511 1511 1512 - 1.1513 - 11. CanIseecounting event inSerial?1790 +((( 1791 +It might be about the channels mapping. Please see this link for detail: 1514 1514 1515 -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 +))) 1516 1516 1796 +((( 1797 + 1798 +))) 1517 1517 1800 +((( 1801 += 7. Order Info = 1802 +))) 1518 1518 1804 +((( 1805 +((( 1806 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1807 +))) 1808 +))) 1519 1519 1520 -1. Trouble Shooting 1521 -11. Downlink doesn’t work, how to solve it? 1810 +((( 1811 +((( 1812 +(% style="color:#4f81bd" %)**XXX:** 1813 +))) 1814 +))) 1522 1522 1523 -Please see this link for how to debug: 1816 +((( 1817 +* ((( 1818 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1819 +))) 1820 +))) 1524 1524 1525 -[[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 +))) 1526 1526 1828 +((( 1829 +* ((( 1830 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1831 +))) 1832 +))) 1527 1527 1528 -1. 1529 -11. Have trouble to upload image. 1834 +((( 1835 +* ((( 1836 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1837 +))) 1838 +))) 1530 1530 1531 -See this link for trouble shooting: 1840 +((( 1841 +* ((( 1842 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1843 +))) 1844 +))) 1532 1532 1533 -[[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 +))) 1534 1534 1852 +((( 1853 +* ((( 1854 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1855 +))) 1856 +))) 1535 1535 1536 -1. 1537 -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 +))) 1538 1538 1539 -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 +))) 1540 1540 1541 -[[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 +))) 1542 1542 1543 - 1544 - 1545 - 1546 -1. Order Info 1547 - 1548 -**For LT-33222-L-XXX or LT-22222-L-XXX:** 1549 - 1550 -**XXX:** 1551 - 1552 -* **EU433**: LT with frequency bands EU433 1553 -* **EU868**: LT with frequency bands EU868 1554 -* **KR920**: LT with frequency bands KR920 1555 -* **CN470**: LT with frequency bands CN470 1556 -* **AS923**: LT with frequency bands AS923 1557 -* **AU915**: LT with frequency bands AU915 1558 -* **US915**: LT with frequency bands US915 1559 -* **IN865**: LT with frequency bands IN865 1560 -* **CN779**: LT with frequency bands CN779 1561 - 1562 -1. Packing Info 1563 - 1872 +((( 1873 +((( 1564 1564 **Package Includes**: 1875 +))) 1876 +))) 1565 1565 1566 -* LT I/O Controller x 1 1878 +((( 1879 +((( 1880 +* LT-22222-L I/O Controller x 1 1567 1567 * Stick Antenna for LoRa RF part x 1 1568 1568 * Bracket for controller x1 1569 1569 * Program cable x 1 1884 +))) 1885 +))) 1570 1570 1887 +((( 1888 +((( 1571 1571 **Dimension and weight**: 1890 +))) 1891 +))) 1572 1572 1893 +((( 1894 +((( 1573 1573 * Device Size: 13.5 x 7 x 3 cm 1574 1574 * Device Weight: 105g 1575 1575 * Package Size / pcs : 14.5 x 8 x 5 cm 1576 1576 * Weight / pcs : 170g 1899 +))) 1900 +))) 1577 1577 1578 -1. Support 1902 +((( 1903 += 9. Support = 1904 +))) 1579 1579 1580 -* 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. 1581 -* 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 +))) 1582 1582 1583 -[[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 +)))
- 1653358238933-385.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +412.4 KB - Content
- 1653358355238-883.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +120.4 KB - Content
- 1653359097980-169.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +158.9 KB - Content
- 1653359603330-121.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +598.0 KB - Content
- 1653360054704-518.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +84.7 KB - Content
- 1653360231087-571.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +94.8 KB - Content
- 1653360498588-932.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +93.9 KB - Content
- image-20220524103407-12.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +66.5 KB - Content
- image-20220524103429-13.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +127.2 KB - Content
- image-20220524103652-14.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +88.6 KB - Content
- image-20220524104033-15.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +83.7 KB - Content