Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.3 >
edited by Xiaoling
on 2023/06/19 15:44
To version < 122.11 >
edited by Xiaoling
on 2023/06/08 18:04
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -189,6 +189,8 @@
189 189  
190 190  * Counting
191 191  
192 +
193 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -204,10 +204,12 @@
204 204  
205 205  * Smart Factory
206 206  
209 +
210 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 211  |(% 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**
212 212  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 213  (% style="text-align:center" %)
... ... @@ -221,6 +221,8 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
228 +
229 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -319,6 +319,8 @@
319 319  
320 320  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
321 321  
328 +
329 +
322 322  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
323 323  
324 324  
... ... @@ -387,6 +387,8 @@
387 387  ** DO1 is high in case there is load between DO1 and V+.
388 388  ** DO1 LED is off in both case
389 389  
398 +
399 +
390 390  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
391 391  
392 392  
... ... @@ -852,6 +852,8 @@
852 852  
853 853  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
854 854  
865 +
866 +
855 855  === 3.4.1 Common Commands ===
856 856  
857 857  
... ... @@ -901,6 +901,7 @@
901 901  
902 902  * (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
903 903  
916 +
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
905 905  
906 906  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
... ... @@ -1005,6 +1005,7 @@
1005 1005  
1006 1006  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1007 1007  
1021 +
1008 1008  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1009 1009  
1010 1010  (% 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"]]
... ... @@ -1018,6 +1018,7 @@
1018 1018  
1019 1019  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1020 1020  
1035 +
1021 1021  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1022 1022  
1023 1023  (% 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"]]
... ... @@ -1031,6 +1031,7 @@
1031 1031  
1032 1032  * (% 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.
1033 1033  
1049 +
1034 1034  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1035 1035  
1036 1036  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
... ... @@ -1060,7 +1060,7 @@
1060 1060  (((
1061 1061  01: Low,  00: High ,  11: No action
1062 1062  
1063 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1079 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1064 1064  |(% 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**
1065 1065  |02  01  00  11|Low|High|No Action
1066 1066  |02  00  11  01|High|No Action|Low
... ... @@ -1262,6 +1262,7 @@
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1264 1264  
1281 +
1265 1265  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1266 1266  
1267 1267  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1289,8 +1289,9 @@
1289 1289  
1290 1290  Clear counting for counting mode
1291 1291  
1292 -* (% 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
1293 1293  
1311 +
1294 1294  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1295 1295  
1296 1296  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1481,12 +1481,12 @@
1481 1481  
1482 1482  
1483 1483  (((
1484 -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.
1485 1485  )))
1486 1486  
1487 1487  (((
1488 1488  (((
1489 -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.
1490 1490  
1491 1491  
1492 1492  )))
... ... @@ -1594,16 +1594,6 @@
1594 1594  )))
1595 1595  
1596 1596  
1597 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1598 -
1599 -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.
1600 -
1601 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1602 -
1603 -[[image:image-20230616235145-1.png]]
1604 -
1605 -
1606 -
1607 1607  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1608 1608  
1609 1609  
... ... @@ -1713,6 +1713,8 @@
1713 1713  |**RO1**|
1714 1714  |**RO2**|
1715 1715  
1724 +
1725 +
1716 1716  = 4. Use AT Command =
1717 1717  
1718 1718  == 4.1 Access AT Command ==
... ... @@ -2093,7 +2093,7 @@
2093 2093  
2094 2094  (((
2095 2095  (% 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]].
2096 -(% 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]].
2097 2097  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2098 2098  
2099 2099  
... ... @@ -2304,6 +2304,8 @@
2304 2304  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2305 2305  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2306 2306  
2317 +
2318 +
2307 2307  = 9. Packing Info =
2308 2308  
2309 2309  
... ... @@ -2321,6 +2321,8 @@
2321 2321  * Package Size / pcs : 14.5 x 8 x 5 cm
2322 2322  * Weight / pcs : 170g
2323 2323  
2336 +
2337 +
2324 2324  = 10. Support =
2325 2325  
2326 2326  
... ... @@ -2341,4 +2341,5 @@
2341 2341  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2342 2342  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 2343  
2358 +
2344 2344  
image-20230616235145-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -19.4 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0