Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.15 >
edited by Xiaoling
on 2023/06/19 16:14
To version < 128.4 >
edited by Xiaoling
on 2023/11/17 08:45
>
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... ... @@ -204,7 +204,6 @@
204 204  
205 205  * Smart Factory
206 206  
207 -
208 208  == 1.5 Hardware Variants ==
209 209  
210 210  
... ... @@ -293,7 +293,6 @@
293 293  [[image:1653298023685-319.png]]
294 294  
295 295  
296 -
297 297  (((
298 298  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
299 299  
... ... @@ -349,7 +349,7 @@
349 349  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
350 350  )))
351 351  
352 -* RO is for relay. ROx=1 : close，ROx=0 always open.
350 +* RO is for relay. ROx=1 : close, ROx=0 always open.
353 353  * DI is for digital input. DIx=1: high or float, DIx=0: low.
354 354  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
355 355  
... ... @@ -360,7 +360,7 @@
360 360  
361 361  **The value for the interface is:  **
362 362  
363 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
361 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
364 364  
365 365  AVI2 channel voltage is 0x04AC/1000=1.196V
366 366  
... ... @@ -388,7 +388,6 @@
388 388  ** DO1 is high in case there is load between DO1 and V+.
389 389  ** DO1 LED is off in both case
390 390  
391 -
392 392  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
393 393  
394 394  
... ... @@ -413,7 +413,7 @@
413 413  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
414 414  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
415 415  
416 -RO is for relay. ROx=1 : close，ROx=0 always open.
413 +RO is for relay. ROx=1 : close , ROx=0 always open.
417 417  )))
418 418  
419 419  * FIRST: Indicate this is the first packet after join network.
... ... @@ -421,6 +421,8 @@
421 421  
422 422  (((
423 423  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
421 +
422 +
424 424  )))
425 425  
426 426  (((
... ... @@ -427,7 +427,6 @@
427 427  **To use counting mode, please run:**
428 428  )))
429 429  
430 -
431 431  (((
432 432  (% class="box infomessage" %)
433 433  (((
... ... @@ -481,7 +481,7 @@
481 481  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
482 482  )))
483 483  
484 -* RO is for relay. ROx=1 : close，ROx=0 always open.
482 +* RO is for relay. ROx=1 : close, ROx=0 always open.
485 485  * FIRST: Indicate this is the first packet after join network.
486 486  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
487 487  
... ... @@ -533,7 +533,7 @@
533 533  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
534 534  )))
535 535  
536 -* RO is for relay. ROx=1 : close，ROx=0 always open.
534 +* RO is for relay. ROx=1 : close, ROx=0 always open.
537 537  * FIRST: Indicate this is the first packet after join network.
538 538  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
539 539  
... ... @@ -598,7 +598,7 @@
598 598  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
599 599  )))
600 600  
601 -* RO is for relay. ROx=1 : close，ROx=0 always open.
599 +* RO is for relay. ROx=1 : close, ROx=0 always open.
602 602  * FIRST: Indicate this is the first packet after join network.
603 603  * (((
604 604  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -641,7 +641,6 @@
641 641  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
642 642  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
643 643  
644 -
645 645  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
646 646  
647 647  
... ... @@ -1140,7 +1140,7 @@
1140 1140  
1141 1141  
1142 1142  
1143 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1140 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1144 1144  
1145 1145  
1146 1146  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1432,7 +1432,6 @@
1432 1432  [[image:1653356838789-523.png||height="337" width="740"]]
1433 1433  
1434 1434  
1435 -
1436 1436  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1437 1437  
1438 1438  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1586,7 +1586,6 @@
1586 1586  [[image:image-20230616235145-1.png]]
1587 1587  
1588 1588  
1589 -
1590 1590  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1591 1591  
1592 1592  
... ... @@ -2027,8 +2027,6 @@
2027 2027  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2028 2028  
2029 2029  **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.**
2030 -
2031 -
2032 2032  )))
2033 2033  
2034 2034  (((
... ... @@ -2035,9 +2035,6 @@
2035 2035  [[image:1653359097980-169.png||height="188" width="729"]]
2036 2036  )))
2037 2037  
2038 -(((
2039 -
2040 -)))
2041 2041  
2042 2042  === 4.2.3 Change to Class A ===
2043 2043  
... ... @@ -2045,8 +2045,9 @@
2045 2045  (((
2046 2046  (% style="color:blue" %)**If sensor JOINED:**
2047 2047  
2048 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2049 -ATZ**
2038 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2039 +
2040 +(% style="background-color:#dcdcdc" %)**ATZ**
2050 2050  )))
2051 2051  
2052 2052  
... ... @@ -2099,7 +2099,6 @@
2099 2099  
2100 2100  (% 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:
2101 2101  
2102 -
2103 2103  [[image:1653360054704-518.png||height="186" width="745"]]
2104 2104  
2105 2105  
... ... @@ -2163,13 +2163,21 @@
2163 2163  
2164 2164  (((
2165 2165  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2156 +
2166 2166  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2158 +
2167 2167  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2160 +
2168 2168  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2162 +
2169 2169  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2164 +
2170 2170  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2166 +
2171 2171  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2168 +
2172 2172  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2170 +
2173 2173  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2174 2174  )))
2175 2175  
... ... @@ -2181,7 +2181,7 @@
2181 2181  [[image:1653360498588-932.png||height="485" width="726"]]
2182 2182  
2183 2183  
2184 -== 6.4 How to change the uplink interval？ ==
2182 +== 6.4 How to change the uplink interval? ==
2185 2185  
2186 2186  
2187 2187  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
... ... @@ -2230,6 +2230,12 @@
2230 2230  Firmware version needs to be no less than 1.6.0.
2231 2231  
2232 2232  
2231 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2232 +
2233 +
2234 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2235 +
2236 +
2233 2233  = 7. Trouble Shooting =
2234 2234  )))
2235 2235  
... ... @@ -2270,6 +2270,13 @@
2270 2270  )))
2271 2271  
2272 2272  
2277 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2278 +
2279 +
2280 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2281 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2282 +
2283 +
2273 2273  = 8. Order Info =
2274 2274  
2275 2275  

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