<
From version < 123.1 >
edited by Bei Jinggeng
on 2023/06/16 16:46
To version < 125.1 >
edited by Edwin Chen
on 2023/06/16 23:57
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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189 189  
190 190  * Counting
191 191  
192 -
193 193  == 1.4  Applications ==
194 194  
195 195  
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205 205  
206 206  * Smart Factory
207 207  
208 -
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
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223 223  * 1 x Counting Port
224 224  )))
225 225  
226 -
227 227  = 2. Power ON Device =
228 228  
229 229  
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322 322  
323 323  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
324 324  
325 -
326 326  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
327 327  
328 328  
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391 391  ** DO1 is high in case there is load between DO1 and V+.
392 392  ** DO1 LED is off in both case
393 393  
394 -
395 395  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
396 396  
397 397  
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857 857  
858 858  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
859 859  
860 -
861 861  === 3.4.1 Common Commands ===
862 862  
863 863  
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1487 1487  
1488 1488  
1489 1489  (((
1490 -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.
1491 1491  )))
1492 1492  
1493 1493  (((
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1600 1600  )))
1601 1601  
1602 1602  
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 +
1603 1603  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1604 1604  
1605 1605  
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1709 1709  |**RO1**|
1710 1710  |**RO2**|
1711 1711  
1712 -
1713 1713  = 4. Use AT Command =
1714 1714  
1715 1715  == 4.1 Access AT Command ==
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2301 2301  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2302 2302  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2303 2303  
2304 -
2305 2305  = 9. Packing Info =
2306 2306  
2307 2307  
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2319 2319  * Package Size / pcs : 14.5 x 8 x 5 cm
2320 2320  * Weight / pcs : 170g
2321 2321  
2322 -
2323 2323  = 10. Support =
2324 2324  
2325 2325  
image-20230616235145-1.png
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1 +XWiki.Edwin
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