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111	111	* Smart cities
112	112	* Smart factory
113	113
114		-== 1.5 Hardware Variants ==
115	115
116		-
117		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118		-|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
119		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120		-(% style="text-align:center" %)
121		-[[image:image-20230424115112-1.png||height="106" width="58"]]
122		-)))|(% style="width:334px" %)(((
123		-* 2 x Digital Input (Bi-direction)
124		-* 2 x Digital Output
125		-* 2 x Relay Output (5A@250VAC / 30VDC)
126		-* 2 x 0~~20mA Analog Input (res:0.01mA)
127		-* 2 x 0~~30V Analog Input (res:0.01v)
128		-* 1 x Counting Port
129		-)))
130		-
131	131	= 2. Assembling the device =
132	132
133	133	== 2.1 Connecting the antenna ==
...	...	@@ -318,8 +318,12 @@
318	318	(((
319	319	This is the default mode.
320	320
321		-The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
	305	+The uplink payload is 11 bytes long.
322	322
	307	+(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
	308	+The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
	309	+It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
	310	+
323	323	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
324	324	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
325	325	|Value|(((
...	...	@@ -389,6 +389,10 @@
389	389	(((
390	390	The uplink payload is 11 bytes long.
391	391
	380	+(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
	381	+The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
	382	+It starts counting again when it reaches the maximum value.**
	383	+
392	392	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
393	393	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
394	394	|Value|COUNT1|COUNT2 |DIDORO*|(((
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453	453
454	454	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455	455
	448	+(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
	449	+The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
	450	+It starts counting again when it reaches the maximum value.**
456	456
457	457	**LT22222-L**: In this mode, the DI1 is used as a counting pin.
458	458
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503	503
504	504	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
505	505
	501	+(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
	502	+The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
	503	+It starts counting again when it reaches the maximum value.**
506	506
	505	+
507	507	(((
508	508	**LT22222-L**: In this mode, the DI1 is used as a counting pin.
509	509	)))
...	...	@@ -568,7 +568,11 @@
568	568
569	569	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
570	570
	570	+(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
	571	+The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
	572	+It starts counting again when it reaches the maximum value.**
571	571
	574	+
572	572	**LT22222-L**: In this mode, the DI1 is used as a counting pin.
573	573
574	574	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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2154	2154	* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2155	2155	* After a restart, the status before the power failure will be read from flash.
2156	2156
2157		-
2158	2158	== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2159	2159
2160	2160	The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
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2233	2233	* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2234	2234	* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2235	2235
2236		-
2237	2237	= 9. Packing information =
2238	2238
2239	2239	**Package includes**:
...	...	@@ -2250,7 +2250,6 @@
2250	2250	* Package Size / pcs : 14.5 x 8 x 5 cm
2251	2251	* Weight / pcs : 170 g
2252	2252
2253		-
2254	2254	= 10. Support =
2255	2255
2256	2256	* (((

usb-ttl-programming.png

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