Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN
Last modified by Xiaoling on 2023/07/18 10:12
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... ... @@ -59,6 +59,8 @@ 59 59 * Datalog feature 60 60 61 61 62 + 63 + 62 62 == 1.3 Specification == 63 63 64 64 ... ... @@ -85,6 +85,7 @@ 85 85 86 86 87 87 90 + 88 88 = 2. Connect LHT65N to IoT Server = 89 89 90 90 == 2.1 How does LHT65N work? == ... ... @@ -163,9 +163,10 @@ 163 163 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]] 164 164 165 165 166 -Note: LHT65N use same payload as LHT65. 167 167 170 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.** 168 168 172 + 169 169 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]] 170 170 171 171 ... ... @@ -266,6 +266,8 @@ 266 266 * The 7th byte (EXT #): defines the external sensor model. 267 267 * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.) 268 268 273 + 274 + 269 269 === 2.4.1 Decoder in TTN V3 === 270 270 271 271 When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading. ... ... @@ -296,6 +296,8 @@ 296 296 * BAT status=(0Xcba4>>14)&0xFF=11(B),very good 297 297 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV 298 298 305 + 306 + 299 299 === 2.4.3 Built-in Temperature === 300 300 301 301 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]] ... ... @@ -306,6 +306,8 @@ 306 306 307 307 * Temperature: (0xF5C6-65536)/100=-26.18℃ 308 308 317 + 318 + 309 309 === 2.4.4 Built-in Humidity === 310 310 311 311 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]] ... ... @@ -312,6 +312,8 @@ 312 312 313 313 * Humidity: 0x025C/10=60.4% 314 314 325 + 326 + 315 315 === 2.4.5 Ext # === 316 316 317 317 Bytes for External Sensor: ... ... @@ -458,12 +458,15 @@ 458 458 459 459 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte** 460 460 461 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]] 473 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %) 474 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]** 475 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001) 462 462 463 -* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink. 464 -* Sync time OK: 465 -* Unix Time Request: 1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this) 477 +* (% style="color:blue" %)**Poll Message Flag**:(%%) 1: This message is a poll message reply, 0: means this is a normal uplink. 478 +* (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server. 479 +* (% style="color:blue" %)**Unix Time Request**:(%%) 1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this) 466 466 481 + 467 467 ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ==== 468 468 469 469 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can ... ... @@ -474,8 +474,43 @@ 474 474 475 475 AT+EXT=6,timeout (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms 476 476 492 +For example: 477 477 494 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value. 478 478 496 + 497 +Or use **downlink command A2** to set the same. 498 + 499 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv. 500 + 501 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series. 502 + 503 +[[image:image-20220628150112-1.png||height="241" width="285"]] 504 + 505 + 506 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0 507 + 508 +[[image:image-20220628150714-4.png]] 509 + 510 + 511 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output. 512 + 513 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V 514 + 515 +[[image:image-20220628151005-5.png]] 516 + 517 + 518 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v 519 + 520 +[[image:image-20220628151056-6.png]] 521 + 522 + 523 +3) Within range 524 + 525 +[[image:image-20220628151143-7.png]] 526 + 527 + 528 + 479 479 == 2.5 Show data on Datacake == 480 480 481 481 ((( ... ... @@ -535,9 +535,14 @@ 535 535 536 536 There are two methods: 537 537 538 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 539 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover. 588 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range. 589 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after the network recovery. 540 540 591 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) 592 + 593 +[[image:image-20220703111700-2.png||height="381" width="1119"]] 594 + 595 + 541 541 === 2.6.2 Unix TimeStamp === 542 542 543 543 ... ... @@ -560,20 +560,37 @@ 560 560 561 561 === 2.6.3 Set Device Time === 562 562 618 +((( 563 563 There are two ways to set device's time: 620 +))) 564 564 622 +((( 565 565 **~1. Through LoRaWAN MAC Command (Default settings)** 624 +))) 566 566 626 +((( 567 567 User need to set SYNCMOD=1 to enable sync time via MAC command. 628 +))) 568 568 630 +((( 569 569 Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 632 +))) 570 570 634 +((( 571 571 (% style="color:red" %)Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1. 636 +))) 572 572 638 +((( 639 + 640 +))) 573 573 642 +((( 574 574 **2. Manually Set Time** 644 +))) 575 575 646 +((( 576 576 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 648 +))) 577 577 578 578 579 579 ... ... @@ -740,9 +740,11 @@ 740 740 (% _mstvisible="2" %) 741 741 ((( 742 742 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %) 815 +((( 743 743 Poll Message Flag: 1: This message is a poll message reply. 744 744 ))) 745 745 ))) 819 +))) 746 746 747 747 (% _mstvisible="1" %) 748 748 * (% _mstvisible="3" %) ... ... @@ -750,17 +750,21 @@ 750 750 (% _mstvisible="4" %) 751 751 ((( 752 752 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %) 827 +((( 753 753 Poll Message Flag is set to 1. 754 754 ))) 755 755 ))) 831 +))) 756 756 * (% _mstvisible="3" %) 757 757 ((( 758 758 (% _mstvisible="4" %) 759 759 ((( 760 760 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %) 837 +((( 761 761 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands. 762 762 ))) 763 763 ))) 841 +))) 764 764 765 765 (% _mstvisible="1" %) 766 766 ((( ... ... @@ -767,12 +767,16 @@ 767 767 (% _mstvisible="2" %) 768 768 ((( 769 769 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 848 +((( 770 770 850 +))) 771 771 772 772 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 853 +((( 773 773 For example, in US915 band, the max payload for different DR is: 774 774 ))) 775 775 ))) 857 +))) 776 776 777 777 (% _mstvisible="1" %) 778 778 ((( ... ... @@ -779,9 +779,11 @@ 779 779 (% _mstvisible="2" %) 780 780 ((( 781 781 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %) 864 +((( 782 782 a) DR0: max is 11 bytes so one entry of data 783 783 ))) 784 784 ))) 868 +))) 785 785 786 786 (% _mstvisible="1" %) 787 787 ((( ... ... @@ -788,9 +788,11 @@ 788 788 (% _mstvisible="2" %) 789 789 ((( 790 790 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %) 875 +((( 791 791 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 792 792 ))) 793 793 ))) 879 +))) 794 794 795 795 (% _mstvisible="1" %) 796 796 ((( ... ... @@ -797,9 +797,11 @@ 797 797 (% _mstvisible="2" %) 798 798 ((( 799 799 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %) 886 +((( 800 800 c) DR2: total payload includes 11 entries of data 801 801 ))) 802 802 ))) 890 +))) 803 803 804 804 (% _mstvisible="1" %) 805 805 ((( ... ... @@ -806,9 +806,11 @@ 806 806 (% _mstvisible="2" %) 807 807 ((( 808 808 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %) 897 +((( 809 809 d) DR3: total payload includes 22 entries of data. 810 810 ))) 811 811 ))) 901 +))) 812 812 813 813 (% _mstvisible="1" %) 814 814 ((( ... ... @@ -815,9 +815,11 @@ 815 815 (% _mstvisible="2" %) 816 816 ((( 817 817 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %) 908 +((( 818 818 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0 819 819 ))) 820 820 ))) 912 +))) 821 821 822 822 823 823 (% _mstvisible="1" style="text-align: left;" %) ... ... @@ -863,55 +863,99 @@ 863 863 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]] 864 864 865 865 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %) 958 +((( 866 866 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E 960 +))) 867 867 868 868 (% _msthash="315237" _msttexthash="1385839" %) 963 +((( 869 869 Where the first 11 bytes is for the first entry: 965 +))) 870 870 871 871 (% _msthash="315238" _msttexthash="274846" %) 968 +((( 872 872 7FFF089801464160065F97 970 +))) 873 873 874 874 (% _msthash="315239" _msttexthash="617435" %) 973 +((( 875 875 Ext sensor data=0x7FFF/100=327.67 975 +))) 876 876 877 877 (% _msthash="315240" _msttexthash="270543" %) 978 +((( 878 878 Temp=0x0898/100=22.00 980 +))) 879 879 880 880 (% _msthash="315241" _msttexthash="211783" %) 983 +((( 881 881 Hum=0x0146/10=32.6 985 +))) 882 882 883 883 (% _msthash="315242" _msttexthash="1569776" %) 988 +((( 884 884 poll message flag & Ext=0x41,means reply data,Ext=1 990 +))) 885 885 886 886 (% _msthash="315243" _msttexthash="1120509" %) 993 +((( 887 887 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03 995 +))) 888 888 889 889 890 890 891 891 == 2.7 Alarm Mode == 892 892 1001 +((( 893 893 when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately. 1003 +))) 894 894 1005 +((( 895 895 (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled. 1007 +))) 896 896 1009 +((( 897 897 **AT COMMAND FOR ALARM MODE:** 1011 +))) 898 898 899 899 (% _mstvisible="1" class="box infomessage" %) 900 900 ((( 1015 +((( 901 901 **AT+WMOD=1**: Enable/disable alarm mode. (0: Disabled, 1: Enabled) 1017 +))) 902 902 1019 +((( 903 903 **AT+CITEMP=1**: The interval between checking the alarm temperature. (In minutes) 1021 +))) 904 904 1023 +((( 905 905 **AT+ARTEMP**: Gets or sets the alarm range of the internal temperature sensor 1025 +))) 906 906 1027 +((( 907 907 **AT+ARTEMP=? **: Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %) 1029 +))) 908 908 1031 +((( 909 909 **AT+ARTEMP=45,105**: Set the internal temperature sensor alarm range from 45 to 105. 910 910 ))) 1034 +))) 911 911 1036 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX** 912 912 1038 +Total bytes: 8 bytes 913 913 1040 +**Example:**AA0100010001003C 914 914 1042 +WMOD=01 1043 + 1044 +CITEMP=0001 1045 + 1046 +TEMPlow=0001 1047 + 1048 +TEMPhigh=003C 1049 + 1050 + 915 915 == 2.8 LED Indicator == 916 916 917 917 The LHT65 has a triple color LED which for easy showing different stage . ... ... @@ -921,7 +921,7 @@ 921 921 In a normal working state: 922 922 923 923 * For each uplink, the BLUE LED or RED LED will blink once. 924 - 1060 +BLUE LED when external sensor is connected. 925 925 * RED LED when external sensor is not connected 926 926 * For each success downlink, the PURPLE LED will blink once 927 927 ... ... @@ -938,8 +938,24 @@ 938 938 939 939 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]] 940 940 941 -1m long breakout cable for LHT65N 1077 +**1m long breakout cable for LHT65N. Features:** 942 942 1079 +* ((( 1080 +Use for AT Command, works for both LHT52/LHT65N 1081 +))) 1082 +* ((( 1083 +Update firmware for LHT65N, works for both LHT52/LHT65N 1084 +))) 1085 +* ((( 1086 +Supports ADC mode to monitor external ADC 1087 +))) 1088 +* ((( 1089 +Supports Interrupt mode 1090 +))) 1091 +* ((( 1092 +Exposed All pins from the LHT65N Type-C connector. 1093 +))) 1094 + 943 943 [[image:image-20220619092421-3.png||height="371" width="529"]] 944 944 945 945 ... ... @@ -961,26 +961,48 @@ 961 961 962 962 = 4. Configure LHT65N via AT command or LoRaWAN downlink = 963 963 1116 +((( 964 964 Use can configure LHT65N via AT Command or LoRaWAN Downlink. 1118 +))) 965 965 966 -* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]]. 1120 +* ((( 1121 +AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]]. 1122 +))) 967 967 968 -* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 1124 +* ((( 1125 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 1126 +))) 969 969 1128 +((( 970 970 There are two kinds of commands to configure LHT65N, they are: 1130 +))) 971 971 972 -* (% style="color:#4f81bd" %)**General Commands**. 1132 +* ((( 1133 +(% style="color:#4f81bd" %)**General Commands**. 1134 +))) 973 973 1136 +((( 974 974 These commands are to configure: 1138 +))) 975 975 976 -1. General system settings like: uplink interval. 977 -1. LoRaWAN protocol & radio-related commands. 1140 +1. ((( 1141 +General system settings like: uplink interval. 1142 +))) 1143 +1. ((( 1144 +LoRaWAN protocol & radio-related commands. 1145 +))) 978 978 1147 +((( 979 979 They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 1149 +))) 980 980 981 -* (% style="color:#4f81bd" %)**Commands special design for LHT65N** 1151 +* ((( 1152 +(% style="color:#4f81bd" %)**Commands special design for LHT65N** 1153 +))) 982 982 1155 +((( 983 983 These commands are only valid for LHT65N, as below: 1157 +))) 984 984 985 985 986 986 == 4.1 Set Transmit Interval Time == ... ... @@ -1269,16 +1269,11 @@ 1269 1269 1270 1270 (% _msthash="506061" _msttexthash="170755" %)**Connection:** 1271 1271 1272 -(% _msthash="506062" _msttexthash="1187732" %) 1273 -**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)** 1446 +* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND** 1447 +* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+** 1448 +* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11** 1449 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-** 1274 1274 1275 -(% _msthash="506063" _msttexthash="1158313" %)**✓ **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+** 1276 - 1277 -(% _msthash="506064" _msttexthash="1175629" %)**✓ **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11** 1278 - 1279 -(% _msthash="506065" _msttexthash="1164696" %)**✓ **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-** 1280 - 1281 - 1282 1282 ((( 1283 1283 In PC, User needs to set serial tool(such as [[**putty**>>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 LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout. 1284 1284 ))) ... ... @@ -1587,7 +1587,59 @@ 1587 1587 Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device. 1588 1588 1589 1589 1759 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command == 1590 1590 1761 +[[image:image-20220623110706-1.png]] 1762 + 1763 + 1764 +[[image:image-20220623112117-4.png||height="459" width="343"]] 1765 + 1766 +((( 1767 +In PC, User needs to set serial tool(such as [[**putty**>>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 LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout. 1768 +))) 1769 + 1770 + 1771 +Input password and ATZ to activate LHT65N,As shown below: 1772 + 1773 +[[image:image-20220615154519-3.png||height="672" width="807"]] 1774 + 1775 + 1776 +== 6.7 How to use USB-TYPE-C to connect PC to upgrade firmware? == 1777 + 1778 +[[image:image-20220623110706-1.png]] 1779 + 1780 +(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer first. 1781 + 1782 +[[image:image-20220615170542-5.png]] 1783 + 1784 + 1785 +(% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %) 1786 + 1787 +(% _msthash="506146" _msttexthash="52173160" %) 1788 +First connect the four lines; 1789 + 1790 +(% _msthash="506146" _msttexthash="52173160" %) 1791 +[[image:image-20220623113959-5.png||height="528" width="397"]] 1792 + 1793 +(% _msthash="506146" _msttexthash="52173160" %) 1794 +Press and hold the start key to restart and enter (% _mstvisible="1" %)bootlaod(%%) mode. 1795 + 1796 +(% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded. 1797 + 1798 +[[image:image-20220615171334-6.png]] 1799 + 1800 + 1801 +Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade. 1802 + 1803 + 1804 +When this interface appears, it indicates that the download has been completed. 1805 + 1806 +[[image:image-20220620160723-8.png]] 1807 + 1808 + 1809 +Finally,restart reset device again 1810 + 1811 + 1591 1591 = 7. Order Info = 1592 1592 1593 1593
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