Changes for page LWL02 -- LoRaWAN Water Leak Sensor User Manual
Last modified by Mengting Qiu on 2024/05/29 11:20
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... ... @@ -273,36 +273,69 @@ 273 273 274 274 == 4.6 Alarm Base on Timeout == 275 275 276 +((( 276 276 LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc. 278 +))) 277 277 278 - 280 +((( 279 279 User configure this feature by using: 282 +))) 280 280 284 +((( 285 + 286 +))) 281 281 288 +((( 282 282 (% style="color:blue" %)**AT Command**(%%) to configure: 290 +))) 283 283 284 -* **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open 292 +* ((( 293 +**AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open 294 +))) 285 285 296 +((( 286 286 status for more than 30 seconds. LWL02 will send an uplink packet, the Alarm bit (the lowest bit of 10^^th^^ byte of payload) on this uplink packet is set to 1. 298 +))) 287 287 288 -* **AT+TTIG=0,0** **~-~->** Default Value, disable timeout Alarm. 300 +* ((( 301 +**AT+TTIG=0,0** **~-~->** Default Value, disable timeout Alarm. 302 +))) 289 289 304 +((( 290 290 (% style="color:blue" %)**Downlink Command**(%%) to configure: 306 +))) 291 291 308 +((( 292 292 **Command: 0xA9 aa bb cc** 310 +))) 293 293 312 +((( 294 294 A9: Command Type Code 314 +))) 295 295 316 +((( 296 296 aa: status to be monitor 318 +))) 297 297 320 +((( 298 298 bb cc: timeout. 322 +))) 299 299 324 +((( 325 + 326 +))) 300 300 328 +((( 301 301 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30 330 +))) 302 302 332 +((( 303 303 Or 334 +))) 304 304 336 +((( 305 305 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm. 338 +))) 306 306 307 307 308 308 ... ... @@ -316,6 +316,7 @@ 316 316 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once 317 317 318 318 352 + 319 319 = 5. Battery & How to replace = 320 320 321 321 == 5.1 Battery Type and replace == ... ... @@ -347,8 +347,6 @@ 347 347 348 348 349 349 350 - 351 - 352 352 == 5.2 Power Consumption Analyze == 353 353 354 354 Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life: ... ... @@ -365,15 +365,18 @@ 365 365 366 366 [[image:image-20220608160336-1.png]] 367 367 368 -USB to TTL <- -> LWL02 369 369 370 - RX<- ->TX401 +(% style="background-color:yellow" %)**USB to TTL <- -> LWL02** 371 371 372 -TX <- -> RX 373 373 374 - GND<- ->GND404 +(% style="background-color:yellow" %)**RX <- -> TX** 375 375 376 376 407 +(% style="background-color:yellow" %)**TX <- -> RX** 408 + 409 + 410 +(% style="background-color:yellow" %)**GND <- -> GND** 411 + 377 377 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 **115200** to access to access serial console of LWL02. Below is the output for reference: 378 378 379 379 The AT Access password is **123456**. ... ... @@ -454,3 +454,4 @@ 454 454 * 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. 455 455 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 456 456 492 +