Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.5 >
edited by Xiaoling
on 2023/06/19 15:49
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  )))
... ... @@ -390,6 +390,8 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
398 +
399 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -855,6 +855,8 @@
855 855  
856 856  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
857 857  
865 +
866 +
858 858  === 3.4.1 Common Commands ===
859 859  
860 860  
... ... @@ -904,6 +904,7 @@
904 904  
905 905  * (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
906 906  
916 +
907 907  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
908 908  
909 909  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
... ... @@ -1008,6 +1008,7 @@
1008 1008  
1009 1009  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1010 1010  
1021 +
1011 1011  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1012 1012  
1013 1013  (% 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"]]
... ... @@ -1021,6 +1021,7 @@
1021 1021  
1022 1022  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1023 1023  
1035 +
1024 1024  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1025 1025  
1026 1026  (% 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"]]
... ... @@ -1034,6 +1034,7 @@
1034 1034  
1035 1035  * (% 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.
1036 1036  
1049 +
1037 1037  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1038 1038  
1039 1039  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
... ... @@ -1063,7 +1063,7 @@
1063 1063  (((
1064 1064  01: Low,  00: High ,  11: No action
1065 1065  
1066 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1079 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1067 1067  |(% 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**
1068 1068  |02  01  00  11|Low|High|No Action
1069 1069  |02  00  11  01|High|No Action|Low
... ... @@ -1265,6 +1265,7 @@
1265 1265  
1266 1266  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1267 1267  
1281 +
1268 1268  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1269 1269  
1270 1270  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1292,8 +1292,9 @@
1292 1292  
1293 1293  Clear counting for counting mode
1294 1294  
1295 -* (% 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
1296 1296  
1311 +
1297 1297  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1298 1298  
1299 1299  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1484,12 +1484,12 @@
1484 1484  
1485 1485  
1486 1486  (((
1487 -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.
1488 1488  )))
1489 1489  
1490 1490  (((
1491 1491  (((
1492 -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.
1493 1493  
1494 1494  
1495 1495  )))
... ... @@ -1597,16 +1597,6 @@
1597 1597  )))
1598 1598  
1599 1599  
1600 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1601 -
1602 -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.
1603 -
1604 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1605 -
1606 -[[image:image-20230616235145-1.png]]
1607 -
1608 -
1609 -
1610 1610  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1611 1611  
1612 1612  
... ... @@ -1716,6 +1716,8 @@
1716 1716  |**RO1**|
1717 1717  |**RO2**|
1718 1718  
1724 +
1725 +
1719 1719  = 4. Use AT Command =
1720 1720  
1721 1721  == 4.1 Access AT Command ==
... ... @@ -2096,7 +2096,7 @@
2096 2096  
2097 2097  (((
2098 2098  (% 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]].
2099 -(% 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]].
2100 2100  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2101 2101  
2102 2102  
... ... @@ -2307,6 +2307,8 @@
2307 2307  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2308 2308  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2309 2309  
2317 +
2318 +
2310 2310  = 9. Packing Info =
2311 2311  
2312 2312  
... ... @@ -2324,6 +2324,8 @@
2324 2324  * Package Size / pcs : 14.5 x 8 x 5 cm
2325 2325  * Weight / pcs : 170g
2326 2326  
2336 +
2337 +
2327 2327  = 10. Support =
2328 2328  
2329 2329  
... ... @@ -2344,4 +2344,5 @@
2344 2344  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2345 2345  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2346 2346  
2358 +
2347 2347  
image-20230616235145-1.png
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... ... @@ -1,1 +1,0 @@
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