Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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edited by Mengting Qiu
on 2025/03/13 09:07
on 2025/03/13 09:07
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... ... @@ -124,12 +124,12 @@ 124 124 125 125 (% border="1" cellspacing="3" style="width:510px" %) 126 126 |(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description** 127 -|(% style="width:94px" %)**LT- 33222-L**|(% style="width:172px" %)(((127 +|(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)((( 128 128 (% style="text-align:center" %) 129 129 [[image:lt33222-l.jpg||height="110" width="95"]] 130 130 )))|(% style="width:256px" %)((( 131 -* 3x Digital Input (Bi-direction)132 -* 3x Digital Output131 +* 2 x Digital Input (Bi-direction) 132 +* 2 x Digital Output 133 133 * 2 x Relay Output (5A@250VAC / 30VDC) 134 134 * 2 x 0~~20mA Analog Input (res:0.01mA) 135 135 * 2 x 0~~30V Analog Input (res:0.01v) ... ... @@ -151,7 +151,7 @@ 151 151 == 2.2 Terminals == 152 152 153 153 154 -The LT-22222-L has two screw terminal blocks. The upper screw t erminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.154 +The LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals. 155 155 156 156 **Upper screw terminal block (from left to right):** 157 157 ... ... @@ -201,7 +201,7 @@ 201 201 == 3.1 Prerequisites == 202 202 203 203 204 -The LT-22222-L comes with device registration information such as DevEUI, AppEUI, and AppKey whichallows you to register it with a LoRaWAN network. This registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.204 +The LT-22222-L comes with device registration information such as DevEUI, AppEUI, and AppKey that allows you to register it with a LoRaWAN network. These registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference. 205 205 206 206 [[image:image-20230425173427-2.png||height="246" width="530"]] 207 207 ... ... @@ -261,18 +261,12 @@ 261 261 ** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'. 262 262 ** In the **DevEUI** field, enter the **DevEUI**. 263 263 ** In the **AppKey** field, enter the **AppKey.** 264 -** In the **End device ID** field, enter a unique name for your LT-22222- Lwithin this application.264 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application. 265 265 ** Under **After registration**, select the **View registered end device** option. 266 -** Click **Register end device** button. 267 267 268 268 [[image:lt-22222-l-dev-repo-reg-p2.png]] 269 269 270 270 271 -* You will be navigated to the **Device overview** page. 272 - 273 -[[image:lt-22222-device-overview.png]] 274 - 275 - 276 276 ==== 3.2.1.2 Adding device manually ==== 277 277 278 278 ... ... @@ -321,12 +321,12 @@ 321 321 322 322 After successfully joining, the device will send its first **uplink data message** to The Things Stack application it belongs to (in this example, it is **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes. 323 323 324 -Click on one of the**Forward uplink data messages **to see its payload content. The payload content is encapsulated within the **decode_payload {}** JSON object.318 +Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the **decode_payload {}** JSON object. 325 325 326 326 [[image:lt-22222-ul-payload-decoded.png]] 327 327 328 328 329 -If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **Applications > [your application] > End devices** > [**your end device]** > **Payload formatters** > **Uplink**. Then select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes. 323 +If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **Applications > [your application] > End devices** > [**your end device]** > **Payload formatters** > **Uplink**. Then select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes. 330 330 331 331 {{info}} 332 332 The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters. ... ... @@ -374,8 +374,11 @@ 374 374 This is the default mode. 375 375 376 376 The uplink payload is 11 bytes long. 377 -(% style="display:none" wfd-invisible="true" %) 378 378 372 +(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes. 373 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 374 +It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %) 375 + 379 379 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 380 380 |(% 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** 381 381 |Value|((( ... ... @@ -644,7 +644,7 @@ 644 644 645 645 646 646 (% style="color:red" %)**Note:The maximum count depends on the bytes it is. 647 -The maximum count for four bytes is FFFF (hex) = 65 535(dec).644 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 648 648 It starts counting again when it reaches the maximum value.** 649 649 650 650 ... ... @@ -729,7 +729,7 @@ 729 729 730 730 AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V) 731 731 732 -AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage islower than 5V. Use 0 for parameters that are not in use)729 +AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use) 733 733 734 734 735 735 (% style="color:#4f81bd" %)**Trigger based on current**: ... ... @@ -785,7 +785,7 @@ 785 785 786 786 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 787 787 788 -MOD6 Payload: atotal of 11 bytes785 +MOD6 Payload: total of 11 bytes 789 789 790 790 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %) 791 791 |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1** ... ... @@ -799,7 +799,7 @@ 799 799 MOD(6) 800 800 ))) 801 801 802 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Total 1 byte as below .799 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below 803 803 804 804 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %) 805 805 |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** ... ... @@ -828,7 +828,7 @@ 828 828 10100000: This means the system is configured to use the triggers AV1_LOW and AV2_LOW. 829 829 830 830 831 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger ed. Total 1 byte as below.828 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below 832 832 833 833 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %) 834 834 |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** ... ... @@ -857,7 +857,7 @@ 857 857 10000000: The uplink is triggered by AV1_LOW, indicating that the voltage is too low. 858 858 859 859 860 -(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger ed. Total 1.857 +(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below 861 861 862 862 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %) 863 863 |(% style="width:50px" %)**bit 7**|(% style="width:50px" %)**bit 6**|(% style="width:50px" %)**bit 5**|(% style="width:50px" %)**bit 4**|(% style="width:90px" %)**bit 3**|(% style="width:80px" %)**bit 2**|(% style="width:90px" %)**bit 1**|(% style="width:95px" %)**bit 0** ... ... @@ -867,7 +867,7 @@ 867 867 868 868 **Example:** 869 869 870 -00000111: This means both DI1 and DI2 triggers are enabled, and this packet is trigger edby DI1.867 +00000111: This means both DI1 and DI2 triggers are enabled, and this packet is trigger by DI1. 871 871 872 872 00000101: This means both DI1 and DI2 triggers are enabled. 873 873 ... ... @@ -878,7 +878,7 @@ 878 878 879 879 **AB 06** 880 880 881 -When thedevice receives this command, it will send the MOD6 payload.878 +When device receives this command, it will send the MOD6 payload. 882 882 883 883 884 884 === 3.3.7 Payload Decoder === ... ... @@ -899,7 +899,7 @@ 899 899 900 900 ((( 901 901 ((( 902 -There are two ty pes of commands:899 +There are two tytes of commands: 903 903 ))) 904 904 ))) 905 905 ... ... @@ -911,7 +911,7 @@ 911 911 912 912 913 913 ((( 914 -These are available for each sensor and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s. 911 +These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s. 915 915 916 916 917 917 ))) ... ... @@ -1102,7 +1102,7 @@ 1102 1102 |(% style="width:95px" %)**Example**|(% style="width:403px" %)((( 1103 1103 AB 06 1104 1104 1105 -Uplink the trigger settings. 1102 +Uplinks the trigger settings. 1106 1106 ))) 1107 1107 1108 1108 ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ==== ... ... @@ -1160,7 +1160,7 @@ 1160 1160 Enable DI1 trigger, disable DI2 trigger 1161 1161 ))) 1162 1162 1163 -==== 3.4.2.7 Trigger1 – Set DI 1or DI3 as a trigger ====1160 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ==== 1164 1164 1165 1165 1166 1166 Sets DI1 or DI3 (for LT-33222-L) as a trigger. ... ... @@ -1331,7 +1331,7 @@ 1331 1331 ))) 1332 1332 |(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1333 1333 1334 -==== 3.4.2.11 Trigger – Set theminimum interval ====1331 +==== 3.4.2.11 Trigger – Set minimum interval ==== 1335 1335 1336 1336 1337 1337 Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger. ... ... @@ -1469,7 +1469,7 @@ 1469 1469 1470 1470 (% style="color:red" %)**Note: ** 1471 1471 1472 - Since firmware v1.6.0, the latch time support s4 bytes or 2 bytes1469 + Since firmware v1.6.0, the latch time support 4 bytes or 2 bytes 1473 1473 1474 1474 Before firmware v1.6.0, the latch time only supported 2 bytes. 1475 1475 ... ... @@ -1494,7 +1494,7 @@ 1494 1494 1495 1495 **A9 00 11 01 00 07 D0** 1496 1496 1497 -DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which theDO1 pin takes no action,theDO2 pin is set to high, andtheDO3 pin is set to low.1494 +DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which DO1 pin takes no action, DO2 pin is set to high, and DO3 pin is set to low. 1498 1498 ))) 1499 1499 1500 1500 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== ... ... @@ -1534,7 +1534,7 @@ 1534 1534 |03 00 11|Open|No action 1535 1535 |03 01 11|Close|No action 1536 1536 |03 11 00|No action|Open 1537 -|03 11 01|No action|Close1534 +|03 11 10|No action|Close 1538 1538 |03 00 00|Open|Open 1539 1539 |03 01 01|Close|Close 1540 1540 |03 01 00|Close|Open ... ... @@ -1565,9 +1565,9 @@ 1565 1565 1566 1566 (% style="color:#4f81bd" %)**Second byte (aa)**(%%): Inverter Mode 1567 1567 1568 -01: Relays will change back to their original state after atimeout.1565 +01: Relays will change back to their original state after timeout. 1569 1569 1570 -00: Relays will change to the inverter state after atimeout.1567 +00: Relays will change to the inverter state after timeout. 1571 1571 1572 1572 1573 1573 (% style="color:#4f81bd" %)**Third byte (bb)**(%%): Control Method and Ports status: ... ... @@ -1596,7 +1596,7 @@ 1596 1596 1597 1597 **2. 05 01 10 07 D0** 1598 1598 1599 -Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, andthen both will revert to their original state.1596 +Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, then both will revert to their original state. 1600 1600 1601 1601 **3. 05 00 01 07 D0** 1602 1602 ... ... @@ -1627,7 +1627,7 @@ 1627 1627 1628 1628 **1**: higher than 1629 1629 1630 -if you leave thelogic parameter blank, it is considered 01627 +if you leave logic parameter blank, it is considered 0 1631 1631 ))) 1632 1632 |(% style="width:137px" %)**Examples**|(% style="width:361px" %)((( 1633 1633 AT+VOLMAX=20000 ... ... @@ -1658,7 +1658,7 @@ 1658 1658 1659 1659 **1**: higher than 1660 1660 1661 -if you leave thelogic parameter blank, it is considered 1 (higher than)1658 +if you leave logic parameter blank, it is considered 1 (higher than) 1662 1662 ))) 1663 1663 |(% style="width:140px" %)**Example**|(% style="width:358px" %)((( 1664 1664 A5 **4E 20** ... ... @@ -1922,7 +1922,7 @@ 1922 1922 ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ==== 1923 1923 1924 1924 1925 -This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceed the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow. 1922 +This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceeds the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow. 1926 1926 1927 1927 (% style="color:#037691" %)**AT Command** 1928 1928 ... ... @@ -1991,15 +1991,15 @@ 1991 1991 There is no downlink option available for this feature. 1992 1992 1993 1993 1994 -==== 3.4.2.26 Query firmware version, frequency band, subband, and TDC time ==== 1991 +==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ==== 1995 1995 1996 1996 1997 -This command is used to query key information about the device, including its firmware version, frequency band, subband, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device. 1994 +This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device. 1998 1998 1999 1999 * ((( 2000 2000 (% style="color:#037691" %)**Downlink Payload**(%%)**:** 2001 2001 2002 -(% style="color:blue" %)**26 01 ** (%%) ~/~/ The downlink payload 26 01 is used to query the device's firmware version, frequency band, subband, and TDC time. 1999 +(% style="color:blue" %)**26 01 ** (%%) ~/~/ The downlink payload 26 01 is used to query the device's firmware version, frequency band, sub band, and TDC time. 2003 2003 2004 2004 2005 2005 ... ... @@ -2054,7 +2054,7 @@ 2054 2054 * Ensure the following options are turned on. 2055 2055 ** Enable integration 2056 2056 ** Debug mode 2057 -** Allow creat ingdevices or assets2054 +** Allow create devices or assets 2058 2058 * Click the **Next** button. you will be navigated to the **Uplink data converter** tab. 2059 2059 2060 2060 [[image:thingseye-io-step-2.png]] ... ... @@ -2143,7 +2143,7 @@ 2143 2143 ==== 3.5.2.4 Viewing sensor data on a dashboard ==== 2144 2144 2145 2145 2146 -You can create a dashboard with ThingsEye to visualize the sensor data coming from the LT- 22222-L. The following image shows a dashboard created for the LT-22222-L. See **Creating a dashboard** in ThingsEye documentation for more information.2143 +You can create a dashboard with ThingsEye to visualize the sensor data coming from the LHT65N-VIB. The following image shows a dashboard created for the LT-22222-L. See **Creating a dashboard** in ThingsEye documentation for more information. 2147 2147 2148 2148 2149 2149 ... ... @@ -2364,7 +2364,7 @@ 2364 2364 == 3.7 LED Indicators == 2365 2365 2366 2366 2367 -The table below lists the behavio ur of LED indicators for each port function.2364 +The table below lists the behavior of LED indicators for each port function. 2368 2368 2369 2369 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %) 2370 2370 |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature** ... ... @@ -2371,11 +2371,11 @@ 2371 2371 |**PWR**|Always on when there is power 2372 2372 |**TX**|((( 2373 2373 ((( 2374 -Device boot ing: TX blinks 5 times.2371 +Device boot: TX blinks 5 times. 2375 2375 ))) 2376 2376 2377 2377 ((( 2378 -Successful network join s: TX remains ON for 5 seconds.2375 +Successful network join: TX remains ON for 5 seconds. 2379 2379 ))) 2380 2380 2381 2381 ((( ... ... @@ -2459,13 +2459,13 @@ 2459 2459 * ##**AT+FCU**##: Get or set the Frame Counter Uplink (FCntUp) 2460 2460 * ##**AT+FCD**##: Get or set the Frame Counter Downlink (FCntDown) 2461 2461 * ##**AT+CLASS**##: Get or set the Device Class 2462 -* ##**AT+JOIN**##: Join Network2459 +* ##**AT+JOIN**##: Join network 2463 2463 * ##**AT+NJS**##: Get OTAA Join Status 2464 2464 * ##**AT+SENDB**##: Send hexadecimal data along with the application port 2465 2465 * ##**AT+SEND**##: Send text data along with the application port 2466 -* ##**AT+RECVB**##: Print thelast received data in binary format (with hexadecimal values)2467 -* ##**AT+RECV**##: Print thelast received data in raw format2468 -* ##**AT+VER**##: Get thecurrent image version and Frequency Band2463 +* ##**AT+RECVB**##: Print last received data in binary format (with hexadecimal values) 2464 +* ##**AT+RECV**##: Print last received data in raw format 2465 +* ##**AT+VER**##: Get current image version and Frequency Band 2469 2469 * ##**AT+CFM**##: Get or Set the confirmation mode (0-1) 2470 2470 * ##**AT+CFS**##: Get confirmation status of the last AT+SEND (0-1) 2471 2471 * ##**AT+SNR**##: Get the SNR of the last received packet ... ... @@ -2493,7 +2493,7 @@ 2493 2493 ))) 2494 2494 2495 2495 ((( 2496 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT command access**## 2493 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**## 2497 2497 ))) 2498 2498 2499 2499 ((( ... ... @@ -2501,7 +2501,7 @@ 2501 2501 ))) 2502 2502 2503 2503 ((( 2504 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT command access**## 2501 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**## 2505 2505 ))) 2506 2506 2507 2507 ((( ... ... @@ -2532,7 +2532,7 @@ 2532 2532 2533 2533 2534 2534 ((( 2535 -(% style="background-color:#dcdcdc" %)**123456**(%%) ~/~/ Enter thepassword to enable AT commands access2532 +(% style="background-color:#dcdcdc" %)**123456**(%%) ~/~/ Enter password to enable AT commands access 2536 2536 ))) 2537 2537 ))) 2538 2538 ... ... @@ -2541,7 +2541,7 @@ 2541 2541 ))) 2542 2542 2543 2543 ((( 2544 -(% style="background-color:#dcdcdc" %)** 123456**(%%) ~/~/ Enter thepassword to enable AT command access2541 +(% style="background-color:#dcdcdc" %)** 123456**(%%) ~/~/ Enter password to enable AT commands access 2545 2545 ))) 2546 2546 2547 2547 ((( ... ... @@ -2623,7 +2623,7 @@ 2623 2623 == 5.1 Counting how many objects pass through the flow line == 2624 2624 2625 2625 2626 -See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]] .2623 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]? 2627 2627 2628 2628 2629 2629 = 6. FAQ = ... ... @@ -2693,13 +2693,13 @@ 2693 2693 ))) 2694 2694 2695 2695 ((( 2696 -You can follow the introductions on [[how to upgrade theimage>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.2693 +You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file. 2697 2697 ))) 2698 2698 2699 2699 ((( 2700 2700 2701 2701 2702 -== 6.3 How to set 2699 +== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? == 2703 2703 2704 2704 2705 2705 ))) ... ... @@ -2801,9 +2801,9 @@ 2801 2801 * If the device is not properly shut down and is directly powered off. 2802 2802 * It will default to a power-off state. 2803 2803 * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory. 2804 -* After a restart, the status before the power failure will be read from Flash.2801 +* After a restart, the status before the power failure will be read from flash. 2805 2805 2806 -== 6.8 Can I set nNC (Normally Closed) relay? ==2803 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? == 2807 2807 2808 2808 2809 2809 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: