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...	...	@@ -1420,7 +1420,7 @@
1420	1420	[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1421	1421
1422	1422
1423		-== 3.6 Interface Details ==
	1423	+== 3.6 Interface Detail ==
1424	1424
1425	1425	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1426	1426
...	...	@@ -1430,16 +1430,16 @@
1430	1430	[[image:1653356991268-289.png]]
1431	1431
1432	1432
1433		-=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
	1433	+=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1434	1434
1435	1435
1436	1436	(((
1437		-The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
	1437	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1438	1438	)))
1439	1439
1440	1440	(((
1441	1441	(((
1442		-The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH, and the DI LED status changes.
	1442	+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.
1443	1443
1444	1444
1445	1445	)))
...	...	@@ -1449,7 +1449,7 @@
1449	1449
1450	1450	(((
1451	1451	(((
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.
	1452	+When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1453	1453	)))
1454	1454	)))
1455	1455
...	...	@@ -1458,22 +1458,22 @@
1458	1458	)))
1459	1459
1460	1460	(((
1461		-(% style="color:blue" %)**Example1**(%%): Connecting to a low-active sensor.
	1461	+(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1462	1462	)))
1463	1463
1464	1464	(((
1465		-This type of sensors outputs a low (GND) signal when active.
	1465	+This type of sensor will output a low signal GND when active.
1466	1466	)))
1467	1467
1468	1468	* (((
1469		-Connect the sensor's output to DI1-
	1469	+Connect sensor's output to DI1-
1470	1470	)))
1471	1471	* (((
1472		-Connect the sensor's VCC to DI1+.
	1472	+Connect sensor's VCC to DI1+.
1473	1473	)))
1474	1474
1475	1475	(((
1476		-When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
	1476	+So when sensor active, the current between NEC2501 pin1 and pin2 is：
1477	1477	)))
1478	1478
1479	1479	(((
...	...	@@ -1481,7 +1481,7 @@
1481	1481	)))
1482	1482
1483	1483	(((
1484		-For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
	1484	+If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1485	1485	)))
1486	1486
1487	1487	(((
...	...	@@ -1489,22 +1489,22 @@
1489	1489	)))
1490	1490
1491	1491	(((
1492		-(% style="color:blue" %)**Example2**(%%): Connecting to a high-active sensor.
	1492	+(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1493	1493	)))
1494	1494
1495	1495	(((
1496		-This type of sensors outputs a high signal (e.g., 24V) when active.
	1496	+This type of sensor will output a high signal (example 24v) when active.
1497	1497	)))
1498	1498
1499	1499	* (((
1500		-Connect the sensor's output to DI1+
	1500	+Connect sensor's output to DI1+
1501	1501	)))
1502	1502	* (((
1503		-Connect the sensor's GND DI1-.
	1503	+Connect sensor's GND DI1-.
1504	1504	)))
1505	1505
1506	1506	(((
1507		-When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
	1507	+So when sensor active, the current between NEC2501 pin1 and pin2 is:
1508	1508	)))
1509	1509
1510	1510	(((
...	...	@@ -1512,7 +1512,7 @@
1512	1512	)))
1513	1513
1514	1514	(((
1515		-If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] 24mA , Therefore, the LT-22222-L will detect this high-active signal.
	1515	+If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1516	1516	)))
1517	1517
1518	1518	(((
...	...	@@ -1520,22 +1520,22 @@
1520	1520	)))
1521	1521
1522	1522	(((
1523		-(% style="color:blue" %)**Example3**(%%): Connecting to a 220V high-active sensor.
	1523	+(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1524	1524	)))
1525	1525
1526	1526	(((
1527		-Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler
	1527	+Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1528	1528	)))
1529	1529
1530	1530	* (((
1531		-Connect the sensor's output to DI1+ with a 50K resistor in series.
	1531	+Connect sensor's output to DI1+ with a serial 50K resistor
1532	1532	)))
1533	1533	* (((
1534		-Connect the sensor's GND DI1-.
	1534	+Connect sensor's GND DI1-.
1535	1535	)))
1536	1536
1537	1537	(((
1538		-When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
	1538	+So when sensor active, the current between NEC2501 pin1 and pin2 is:
1539	1539	)))
1540	1540
1541	1541	(((
...	...	@@ -1543,37 +1543,37 @@
1543	1543	)))
1544	1544
1545	1545	(((
1546		-If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
	1546	+If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1547	1547	)))
1548	1548
1549	1549
1550		-(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
	1550	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1551	1551
1552		-From DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
	1552	+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.
1553	1553
1554		-To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
	1554	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1555	1555
1556	1556	[[image:image-20230616235145-1.png]]
1557	1557
1558		-(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
	1558	+(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1559	1559
1560	1560	[[image:image-20240219115718-1.png]]
1561	1561
1562	1562
1563		-=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
	1563	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1564	1564
1565	1565
1566		-(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
	1566	+(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1567	1567
1568		-(% style="color:red" %)**Note: The DO pins will float when device is powered off.**
	1568	+(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1569	1569
1570	1570	[[image:1653357531600-905.png]]
1571	1571
1572	1572
1573		-=== 3.6.4 Analog Input Interfaces ===
	1573	+=== 3.6.4 Analog Input Interface ===
1574	1574
1575	1575
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:
	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:
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: Connecting a 4~~20mA sensor
	1583	+Example to connect a 4~~20mA sensor
1584	1584
1585		-We will use the wind speed sensor as an example for reference only.
	1585	+We take 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: Connecting to a regulated power supply to measure voltage
	1603	+Example connected 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 supply**(% style="color:blue" %)**:**
	1612	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% 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-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:
	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:
1624	1624
1625		-**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
	1625	+**Note**: RO pins go to Open(NO) when device is power 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. Using AT Command =
	1665	+= 4. Use AT Command =
1666	1666
1667		-== 4.1 Connecting the LT-22222-L to a computer ==
	1667	+== 4.1 Access AT Command ==
1668	1668
1669	1669
1670	1670	(((
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.
	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.
1672	1672	)))
1673	1673
1674	1674	[[image:1653358238933-385.png]]
...	...	@@ -1675,7 +1675,7 @@
1675	1675
1676	1676
1677	1677	(((
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:
	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:
1679	1679	)))
1680	1680
1681	1681	[[image:1653358355238-883.png]]
...	...	@@ -1682,12 +1682,10 @@
1682	1682
1683	1683
1684	1684	(((
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/]]
	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/]]
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		-
1691	1691	AT+<CMD>?        : Help on <CMD>
1692	1692	)))
1693	1693