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Last modified by Xiaoling on 2023/07/18 10:12
From version 197.1
edited by Bei Jinggeng
on 2022/09/06 10:23
Change comment: Uploaded new attachment "image-20220906102307-7.png", version {1}
To version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,6 +44,7 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
49 49  
... ... @@ -59,12 +59,10 @@
59 59  * Tri-color LED to indicate working status
60 60  * Datalog feature (Max 3328 records)
61 61  
62 -
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
67 -**Built-in Temperature Sensor:**
67 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
68 68  
69 69  * Resolution: 0.01 °C
70 70  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -71,7 +71,7 @@
71 71  * Long Term Drift: < 0.02 °C/yr
72 72  * Operating Range: -40 ~~ 85 °C
73 73  
74 -**Built-in Humidity Sensor:**
74 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
75 75  
76 76  * Resolution: 0.04 %RH
77 77  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -78,7 +78,7 @@
78 78  * Long Term Drift: < 0.02 °C/yr
79 79  * Operating Range: 0 ~~ 96 %RH
80 80  
81 -**External Temperature Sensor:**
81 +(% style="color:#037691" %)**External Temperature Sensor:**
82 82  
83 83  * Resolution: 0.0625 °C
84 84  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -85,10 +85,9 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
90 +
92 92  == 2.1 How does LHT65N work? ==
93 93  
94 94  
... ... @@ -133,6 +133,7 @@
133 133  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
134 134  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
135 135  
135 +
136 136  (% _mstvisible="1" class="wikigeneratedid" %)
137 137  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
138 138  
... ... @@ -277,7 +277,6 @@
277 277  * 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.)
278 278  
279 279  
280 -
281 281  === 2.4.1 Decoder in TTN V3 ===
282 282  
283 283  
... ... @@ -311,7 +311,6 @@
311 311  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
312 312  
313 313  
314 -
315 315  === 2.4.3 Built-in Temperature ===
316 316  
317 317  
... ... @@ -324,7 +324,6 @@
324 324  * Temperature:  (0xF5C6-65536)/100=-26.18℃
325 325  
326 326  
327 -
328 328  === 2.4.4 Built-in Humidity ===
329 329  
330 330  
... ... @@ -333,7 +333,6 @@
333 333  * Humidity:    0x025C/10=60.4%
334 334  
335 335  
336 -
337 337  === 2.4.5 Ext # ===
338 338  
339 339  
... ... @@ -492,7 +492,6 @@
492 492  * (% 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)
493 493  
494 494  
495 -
496 496  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
497 497  
498 498  
... ... @@ -502,7 +502,7 @@
502 502  
503 503  sensor by setting:
504 504  
505 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
500 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
506 506  
507 507  For example:
508 508  
... ... @@ -525,6 +525,7 @@
525 525  
526 526  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.
527 527  
523 +
528 528  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
529 529  
530 530  [[image:image-20220628151005-5.png]]
... ... @@ -541,6 +541,168 @@
541 541  
542 542  
543 543  
540 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
541 +
542 +
543 +[[image:image-20220927095645-1.png||height="534" width="460"]]
544 +
545 +
546 +**Ext=2,Temperature Sensor(TMP117)：**
547 +
548 +[[image:image-20220906102307-7.png]]
549 +
550 +
551 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
552 +
553 +The external cable NE2 can be use for MOD4 and MOD8
554 +
555 +
556 +
557 +
558 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
559 +
560 +
561 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
562 +
563 +
564 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
565 +
566 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
567 +
568 + In Open State, the power consumption is the same as if there is no probe
569 +
570 + In Close state, the power consumption will be 3uA higher than normal.
571 +
572 +[[image:image-20220906100852-1.png||height="205" width="377"]]
573 +
574 +
575 +Ext=4,Interrupt Sensor：
576 +
577 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
578 +|(% style="width:117px" %)(((
579 +AT+EXT=4,1
580 +)))|(% style="width:371px" %)(((
581 +Sent uplink packet in both rising and falling interrupt
582 +)))
583 +|(% style="width:117px" %)(((
584 +AT+EXT=4,2
585 +)))|(% style="width:371px" %)(((
586 +Sent uplink packet only in falling interrupt
587 +)))
588 +|(% style="width:117px" %)(((
589 +AT+EXT=4,3
590 +)))|(% style="width:371px" %)(((
591 +Sent uplink packet only in rising interrupt
592 +)))
593 +
594 +Trigger by falling edge:
595 +
596 +[[image:image-20220906101145-2.png]]
597 +
598 +
599 +Trigger by raising edge：
600 +
601 +[[image:image-20220906101145-3.png]]
602 +
603 +
604 +
605 +
606 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
607 +
608 +
609 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
610 +
611 +
612 +(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
613 +
614 +[[image:image-20220906101320-4.png||height="366" width="698"]]
615 +
616 +
617 +(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
618 +
619 +[[image:image-20220906101320-5.png||height="353" width="696"]]
620 +
621 +Ext=8, Counting Sensor ( 4 bytes)：
622 +
623 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
624 +|(% style="width:138px" %)(((
625 +AT+EXT=8,0
626 +)))|(% style="width:240px" %)(((
627 +Count at falling interrupt
628 +)))
629 +|(% style="width:138px" %)(((
630 +AT+EXT=8,1
631 +)))|(% style="width:240px" %)(((
632 +Count at rising interrupt
633 +)))
634 +|(% style="width:138px" %)(((
635 +AT+SETCNT=60
636 +)))|(% style="width:240px" %)(((
637 +Sent current count to 60
638 +)))
639 +
640 +[[image:image-20220906101320-6.png]]
641 +
642 +
643 +(% style="color:blue" %)**A2 downlink Command：**
644 +
645 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
646 +
647 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
648 +
649 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
650 +
651 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
652 +
653 +A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
654 +
655 +
656 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
657 +
658 +
659 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
660 +
661 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
662 +
663 +0): Cancel
664 +
665 +1): Threshold alarm
666 +
667 +2): Fluctuation alarm
668 +
669 +
670 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
671 +
672 +(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
673 +
674 +
675 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
676 +
677 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
678 +
679 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
680 +
681 +
682 +2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
683 +
684 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
685 +
686 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
687 +
688 +
689 +(% style="color:blue" %)** Downlink:**
690 +
691 +0xA5 00 ~-~- AT+WMOD=0.
692 +
693 +0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
694 +
695 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
696 +
697 +0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
698 +
699 +
700 +
701 +
544 544  == 2.5 Show data on Datacake ==
545 545  
546 546  
... ... @@ -603,11 +603,19 @@
603 603  
604 604  There are two methods:
605 605  
606 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
607 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
764 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
608 608  
766 +
767 +**Method 2: **Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
768 +
769 +**Note for method 2:**
770 +
771 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 +* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
773 +
609 609  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
610 610  
776 +
611 611  [[image:image-20220703111700-2.png||height="381" width="1119"]]
612 612  
613 613  
... ... @@ -829,15 +829,18 @@
829 829  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
830 830  
831 831  (% _mstvisible="1" %)
832 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
833 -
834 -(% _mstvisible="1" %)
835 835  (((
836 836  (% _mstvisible="2" %)
837 837  (((
838 838  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
839 839  (((
840 -Poll Message Flag: 1: This message is a poll message reply.
1003 +[[image:image-20221006192726-1.png||height="112" width="754"]]
1004 +
1005 +(% class="mark" %)No ACK Message(%%): 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
1006 +
1007 +(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1008 +
1009 +
841 841  )))
842 842  )))
843 843  )))
... ... @@ -978,6 +978,7 @@
978 978  (% _mstvisible="1" %)
979 979  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
980 980  
1150 +
981 981  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
982 982  (((
983 983  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1091,7 +1091,6 @@
1091 1091  * For each success downlink, the PURPLE LED will blink once
1092 1092  
1093 1093  
1094 -
1095 1095  == 2.9 installation ==
1096 1096  
1097 1097  
... ... @@ -1102,6 +1102,7 @@
1102 1102  
1103 1103  = 3. Sensors and Accessories =
1104 1104  
1274 +
1105 1105  == 3.1 E2 Extension Cable ==
1106 1106  
1107 1107  
... ... @@ -1149,7 +1149,6 @@
1149 1149  * Working voltage 2.35v ~~ 5v
1150 1150  
1151 1151  
1152 -
1153 1153  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1154 1154  
1155 1155  
... ... @@ -1220,7 +1220,6 @@
1220 1220  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1221 1221  
1222 1222  
1223 -
1224 1224  == 4.2 Set External Sensor Mode ==
1225 1225  
1226 1226  
... ... @@ -1245,7 +1245,6 @@
1245 1245  * 0xA20702003c: Same as AT+SETCNT=60
1246 1246  
1247 1247  
1248 -
1249 1249  == 4.3 Enable/Disable uplink Temperature probe ID ==
1250 1250  
1251 1251  
... ... @@ -1277,7 +1277,6 @@
1277 1277  * **0xA801**     **~-~->** AT+PID=1
1278 1278  
1279 1279  
1280 -
1281 1281  == 4.4 Set Password ==
1282 1282  
1283 1283  
... ... @@ -1330,7 +1330,6 @@
1330 1330  * There is no downlink command to set to Sleep mode.
1331 1331  
1332 1332  
1333 -
1334 1334  == 4.7 Set system time ==
1335 1335  
1336 1336  
... ... @@ -1344,7 +1344,7 @@
1344 1344  
1345 1345  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1346 1346  
1347 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1512 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1348 1348  
1349 1349  
1350 1350  
... ... @@ -1368,8 +1368,8 @@
1368 1368  
1369 1369  (% style="color:#4f81bd" %)**Downlink Command:**
1370 1370  
1371 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1372 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1536 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1537 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1373 1373  
1374 1374  
1375 1375  
... ... @@ -1440,7 +1440,6 @@
1440 1440  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1441 1441  
1442 1442  
1443 -
1444 1444  == 4.13 Auto Send None-ACK messages ==
1445 1445  
1446 1446  
... ... @@ -1462,9 +1462,9 @@
1462 1462  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1463 1463  
1464 1464  
1465 -
1466 1466  = 5. Battery & How to replace =
1467 1467  
1631 +
1468 1468  == 5.1 Battery Type ==
1469 1469  
1470 1470  
... ... @@ -1783,7 +1783,7 @@
1783 1783  == 6.3 How to change the uplink interval？ ==
1784 1784  
1785 1785  
1786 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
1950 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1787 1787  
1788 1788  
1789 1789  
... ... @@ -1817,6 +1817,7 @@
1817 1817  [[image:image-20220615170542-5.png]]
1818 1818  
1819 1819  
1984 +
1820 1820  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1821 1821  
1822 1822  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1830,6 +1830,7 @@
1830 1830  [[image:image-20220621170938-2.png]]
1831 1831  
1832 1832  
1998 +
1833 1833  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1834 1834  
1835 1835  [[image:image-20220615171334-6.png]]
... ... @@ -1878,6 +1878,7 @@
1878 1878  [[image:image-20220615170542-5.png]]
1879 1879  
1880 1880  
2047 +
1881 1881  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1882 1882  
1883 1883  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1890,6 +1890,7 @@
1890 1890  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1891 1891  
1892 1892  
2060 +
1893 1893  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1894 1894  
1895 1895  [[image:image-20220615171334-6.png]]
... ... @@ -1914,20 +1914,13 @@
1914 1914  
1915 1915  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1916 1916  
1917 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1918 -
2085 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1919 1919  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1920 -
1921 1921  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1922 -
1923 1923  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1924 -
1925 1925  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1926 -
1927 1927  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1928 -
1929 1929  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1930 -
1931 1931  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1932 1932  
1933 1933  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1963,3 +1963,6 @@
1963 1963  (1) This device may not cause harmful interference；
1964 1964  
1965 1965  (2) this device must accept any interference received, including interference that may cause undesired operation.
2127 +
2128 +
2129 +
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