Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.11 >
edited by Xiaoling
on 2023/06/08 18:04
To version < 126.1 >
edited by Edwin Chen
on 2023/06/17 09:43
>
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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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189 189  
190 190  * Counting
191 191  
192 -
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
... ... @@ -206,8 +206,6 @@
206 206  
207 207  * Smart Factory
208 208  
209 -
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
... ... @@ -225,8 +225,6 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
228 -
229 -
230 230  = 2. Power ON Device =
231 231  
232 232  
... ... @@ -325,8 +325,6 @@
325 325  
326 326  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
327 327  
328 -
329 -
330 330  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
331 331  
332 332  
... ... @@ -395,8 +395,6 @@
395 395  ** DO1 is high in case there is load between DO1 and V+.
396 396  ** DO1 LED is off in both case
397 397  
398 -
399 -
400 400  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
401 401  
402 402  
... ... @@ -862,8 +862,6 @@
862 862  
863 863  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
864 864  
865 -
866 -
867 867  === 3.4.1 Common Commands ===
868 868  
869 869  
... ... @@ -913,7 +913,6 @@
913 913  
914 914  * (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
915 915  
916 -
917 917  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
918 918  
919 919  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
... ... @@ -1018,7 +1018,6 @@
1018 1018  
1019 1019  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1020 1020  
1021 -
1022 1022  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1023 1023  
1024 1024  (% 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"]]
... ... @@ -1032,7 +1032,6 @@
1032 1032  
1033 1033  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1034 1034  
1035 -
1036 1036  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1037 1037  
1038 1038  (% 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"]]
... ... @@ -1046,7 +1046,6 @@
1046 1046  
1047 1047  * (% 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.
1048 1048  
1049 -
1050 1050  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1051 1051  
1052 1052  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
... ... @@ -1278,7 +1278,6 @@
1278 1278  
1279 1279  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1280 1280  
1281 -
1282 1282  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1283 1283  
1284 1284  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1306,9 +1306,8 @@
1306 1306  
1307 1307  Clear counting for counting mode
1308 1308  
1309 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT  **(%%) ~/~/ clear all counting
1292 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1310 1310  
1311 -
1312 1312  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1313 1313  
1314 1314  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1499,12 +1499,12 @@
1499 1499  
1500 1500  
1501 1501  (((
1502 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1484 +The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1503 1503  )))
1504 1504  
1505 1505  (((
1506 1506  (((
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.
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.
1508 1508  
1509 1509  
1510 1510  )))
... ... @@ -1612,6 +1612,16 @@
1612 1612  )))
1613 1613  
1614 1614  
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 +
1615 1615  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1616 1616  
1617 1617  
... ... @@ -1721,8 +1721,6 @@
1721 1721  |**RO1**|
1722 1722  |**RO2**|
1723 1723  
1724 -
1725 -
1726 1726  = 4. Use AT Command =
1727 1727  
1728 1728  == 4.1 Access AT Command ==
... ... @@ -2103,7 +2103,7 @@
2103 2103  
2104 2104  (((
2105 2105  (% 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]].
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]].
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]].
2107 2107  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2108 2108  
2109 2109  
... ... @@ -2314,8 +2314,6 @@
2314 2314  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2315 2315  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2316 2316  
2317 -
2318 -
2319 2319  = 9. Packing Info =
2320 2320  
2321 2321  
... ... @@ -2333,8 +2333,6 @@
2333 2333  * Package Size / pcs : 14.5 x 8 x 5 cm
2334 2334  * Weight / pcs : 170g
2335 2335  
2336 -
2337 -
2338 2338  = 10. Support =
2339 2339  
2340 2340  
... ... @@ -2355,5 +2355,4 @@
2355 2355  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2356 2356  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2357 2357  
2358 -
2359 2359  
image-20230616235145-1.png
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