Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.6 >
edited by Xiaoling
on 2023/06/19 15:50
To version < 122.11 >
edited by Xiaoling
on 2023/06/08 18:04
>
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... ... @@ -189,6 +189,8 @@
189 189  
190 190  * Counting
191 191  
192 +
193 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -206,12 +206,11 @@
206 206  
207 207  
208 208  
209 -
210 210  == 1.5 Hardware Variants ==
211 211  
212 212  
213 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
214 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
215 215  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
216 216  (% style="text-align:center" %)
217 217  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -224,6 +224,8 @@
224 224  * 1 x Counting Port
225 225  )))
226 226  
228 +
229 +
227 227  = 2. Power ON Device =
228 228  
229 229  
... ... @@ -322,6 +322,8 @@
322 322  
323 323  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
324 324  
328 +
329 +
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326 326  
327 327  
... ... @@ -328,7 +328,7 @@
328 328  (((
329 329  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330 330  
331 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
336 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
332 332  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
333 333  |Value|(((
334 334  AVI1 voltage
... ... @@ -346,7 +346,7 @@
346 346  (((
347 347  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
348 348  
349 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
354 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
350 350  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
351 351  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
352 352  )))
... ... @@ -392,7 +392,6 @@
392 392  
393 393  
394 394  
395 -
396 396  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
397 397  
398 398  
... ... @@ -403,7 +403,7 @@
403 403  (((
404 404  Total : 11 bytes payload
405 405  
406 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
407 407  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
408 408  |Value|COUNT1|COUNT2 |DIDORO*|(((
409 409  Reserve
... ... @@ -413,7 +413,7 @@
413 413  (((
414 414  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
415 415  
416 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
420 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
417 417  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
418 418  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
419 419  
... ... @@ -858,6 +858,8 @@
858 858  
859 859  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
860 860  
865 +
866 +
861 861  === 3.4.1 Common Commands ===
862 862  
863 863  
... ... @@ -907,6 +907,7 @@
907 907  
908 908  * (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
909 909  
916 +
910 910  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
911 911  
912 912  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
... ... @@ -1011,6 +1011,7 @@
1011 1011  
1012 1012  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1013 1013  
1021 +
1014 1014  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1015 1015  
1016 1016  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1024,6 +1024,7 @@
1024 1024  
1025 1025  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1026 1026  
1035 +
1027 1027  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1028 1028  
1029 1029  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1037,6 +1037,7 @@
1037 1037  
1038 1038  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1039 1039  
1049 +
1040 1040  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1041 1041  
1042 1042  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
... ... @@ -1066,7 +1066,7 @@
1066 1066  (((
1067 1067  01: Low,  00: High ,  11: No action
1068 1068  
1069 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1079 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1070 1070  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1071 1071  |02  01  00  11|Low|High|No Action
1072 1072  |02  00  11  01|High|No Action|Low
... ... @@ -1268,6 +1268,7 @@
1268 1268  
1269 1269  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1270 1270  
1281 +
1271 1271  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1272 1272  
1273 1273  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1295,8 +1295,9 @@
1295 1295  
1296 1296  Clear counting for counting mode
1297 1297  
1298 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1309 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT  **(%%) ~/~/ clear all counting
1299 1299  
1311 +
1300 1300  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1301 1301  
1302 1302  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1487,12 +1487,12 @@
1487 1487  
1488 1488  
1489 1489  (((
1490 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1502 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1491 1491  )))
1492 1492  
1493 1493  (((
1494 1494  (((
1495 -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). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1507 +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.
1496 1496  
1497 1497  
1498 1498  )))
... ... @@ -1600,16 +1600,6 @@
1600 1600  )))
1601 1601  
1602 1602  
1603 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1604 -
1605 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1606 -
1607 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1608 -
1609 -[[image:image-20230616235145-1.png]]
1610 -
1611 -
1612 -
1613 1613  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1614 1614  
1615 1615  
... ... @@ -1719,6 +1719,8 @@
1719 1719  |**RO1**|
1720 1720  |**RO2**|
1721 1721  
1724 +
1725 +
1722 1722  = 4. Use AT Command =
1723 1723  
1724 1724  == 4.1 Access AT Command ==
... ... @@ -2099,7 +2099,7 @@
2099 2099  
2100 2100  (((
2101 2101  (% style="color:blue" %)**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]].
2102 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2106 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2103 2103  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2104 2104  
2105 2105  
... ... @@ -2310,6 +2310,8 @@
2310 2310  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2311 2311  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2312 2312  
2317 +
2318 +
2313 2313  = 9. Packing Info =
2314 2314  
2315 2315  
... ... @@ -2327,6 +2327,8 @@
2327 2327  * Package Size / pcs : 14.5 x 8 x 5 cm
2328 2328  * Weight / pcs : 170g
2329 2329  
2336 +
2337 +
2330 2330  = 10. Support =
2331 2331  
2332 2332  
... ... @@ -2347,4 +2347,5 @@
2347 2347  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2348 2348  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2349 2349  
2358 +
2350 2350  
image-20230616235145-1.png
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... ... @@ -1,1 +1,0 @@
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