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...	...	@@ -1430,7 +1430,7 @@
1430	1430	[[image:1653356991268-289.png]]
1431	1431
1432	1432
1433		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
	1433	+=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1434	1434
1435	1435
1436	1436	(((
...	...	@@ -1449,7 +1449,7 @@
1449	1449
1450	1450	(((
1451	1451	(((
1452		-(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
	1452	+(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1453	1453	)))
1454	1454	)))
1455	1455
...	...	@@ -1560,20 +1560,20 @@
1560	1560	[[image:image-20240219115718-1.png]]
1561	1561
1562	1562
1563		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1563	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1564	1564
1565	1565
1566		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1566	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1567	1567
1568		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
	1568	+(% style="color:red" %)**Note: The DO pins will float when device is powered off.**
1569	1569
1570	1570	[[image:1653357531600-905.png]]
1571	1571
1572	1572
1573		-=== 3.6.4 Analog Input Interface ===
	1573	+=== 3.6.4 Analog Input Interfaces ===
1574	1574
1575	1575
1576		-The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
	1576	+The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1577	1577
1578	1578
1579	1579	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1580,14 +1580,14 @@
1580	1580
1581	1581	[[image:1653357592296-182.png]]
1582	1582
1583		-Example to connect a 4~~20mA sensor
	1583	+Example: Connecting a 4~~20mA sensor
1584	1584
1585		-We take the wind speed sensor as an example for reference only.
	1585	+We will use the wind speed sensor as an example for reference only.
1586	1586
1587	1587
1588	1588	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1589	1589
1590		-(% style="color:red" %)**Red:  12~~24v**
	1590	+(% style="color:red" %)**Red:  12~~24V**
1591	1591
1592	1592	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1593	1593
...	...	@@ -1600,7 +1600,7 @@
1600	1600	[[image:1653357648330-671.png||height="155" width="733"]]
1601	1601
1602	1602
1603		-Example connected to a regulated power supply to measure voltage
	1603	+Example: Connecting to a regulated power supply to measure voltage
1604	1604
1605	1605	[[image:image-20230608101532-1.png||height="606" width="447"]]
1606	1606
...	...	@@ -1609,7 +1609,7 @@
1609	1609	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1610	1610
1611	1611
1612		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1612	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1613	1613
1614	1614	(% style="color:red" %)**Red:  12~~24v**
1615	1615
...	...	@@ -1620,9 +1620,9 @@
1620	1620
1621	1621
1622	1622	(((
1623		-The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
	1623	+The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1624	1624
1625		-**Note**: RO pins go to Open(NO) when device is power off.
	1625	+**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1626	1626	)))
1627	1627
1628	1628	[[image:image-20220524100215-9.png]]
...	...	@@ -1662,13 +1662,13 @@
1662	1662	|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1663	1663	|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1664	1664
1665		-= 4. Use AT Command =
	1665	+= 4. Using AT Command =
1666	1666
1667		-== 4.1 Access AT Command ==
	1667	+== 4.1 Connecting the LT-22222-L to a computer ==
1668	1668
1669	1669
1670	1670	(((
1671		-LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	1671	+The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1672	1672	)))
1673	1673
1674	1674	[[image:1653358238933-385.png]]
...	...	@@ -1675,7 +1675,7 @@
1675	1675
1676	1676
1677	1677	(((
1678		-In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
	1678	+On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate of (% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1679	1679	)))
1680	1680
1681	1681	[[image:1653358355238-883.png]]
...	...	@@ -1682,10 +1682,12 @@
1682	1682
1683	1683
1684	1684	(((
1685		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1685	+You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1686	1686	)))
1687	1687
1688	1688	(((
	1689	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1690	+
1689	1689	AT+<CMD>?        : Help on <CMD>
1690	1690	)))
1691	1691