Last modified by Xiaoling on 2023/07/18 10:12

From version 202.1
edited by Edwin Chen
on 2022/10/06 19:27
Change comment: Uploaded new attachment "image-20221006192726-1.png", version {1}
To version 209.1
edited by Bei Jinggeng
on 2022/10/18 10:47
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Bei
Content
... ... @@ -61,8 +61,6 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 -
66 66  == 1.3 Specification ==
67 67  
68 68  
... ... @@ -87,8 +87,6 @@
87 87  * ±2°C accuracy from -55°C to +125°C
88 88  * Operating Range: -55 °C ~~ 125 °C
89 89  
90 -
91 -
92 92  = 2. Connect LHT65N to IoT Server =
93 93  
94 94  
... ... @@ -201,7 +201,7 @@
201 201  
202 202  
203 203  
204 -== 2.4 Uplink Payload ==
200 +== 2.4 Uplink Payload   ( Fport~=2) ==
205 205  
206 206  
207 207  (((
... ... @@ -280,20 +280,14 @@
280 280  * The 7th byte (EXT #): defines the external sensor model.
281 281  * 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.)
282 282  
283 -
284 -
285 -
286 286  === 2.4.1 Decoder in TTN V3 ===
287 287  
288 288  
289 289  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.
290 290  
291 -Below is the position to put the decoder and LHT65N decoder can be download from here:
284 +Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
292 292  
293 293  
294 -[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
295 -
296 -
297 297  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
298 298  
299 299  
... ... @@ -315,9 +315,6 @@
315 315  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
316 316  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
317 317  
318 -
319 -
320 -
321 321  === 2.4.3 Built-in Temperature ===
322 322  
323 323  
... ... @@ -329,9 +329,6 @@
329 329  
330 330  * Temperature:  (0xF5C6-65536)/100=-26.18℃
331 331  
332 -
333 -
334 -
335 335  === 2.4.4 Built-in Humidity ===
336 336  
337 337  
... ... @@ -339,9 +339,6 @@
339 339  
340 340  * Humidity:    0x025C/10=60.4%
341 341  
342 -
343 -
344 -
345 345  === 2.4.5 Ext # ===
346 346  
347 347  
... ... @@ -499,9 +499,6 @@
499 499  * (% 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.
500 500  * (% 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)
501 501  
502 -
503 -
504 -
505 505  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
506 506  
507 507  
... ... @@ -775,9 +775,16 @@
775 775  
776 776  There are two methods:
777 777  
778 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
779 -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.
756 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
780 780  
758 +
759 +**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.
760 +
761 +**Note for method 2:**
762 +
763 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
764 +* 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.
765 +
781 781  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
782 782  
783 783  
... ... @@ -1002,15 +1002,18 @@
1002 1002  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
1003 1003  
1004 1004  (% _mstvisible="1" %)
1005 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
1006 -
1007 -(% _mstvisible="1" %)
1008 1008  (((
1009 1009  (% _mstvisible="2" %)
1010 1010  (((
1011 1011  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1012 1012  (((
1013 -Poll Message Flag: 1: This message is a poll message reply.
995 +[[image:image-20221006192726-1.png||height="112" width="754"]]
996 +
997 +(% 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)
998 +
999 +(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
1000 +
1001 +
1014 1014  )))
1015 1015  )))
1016 1016  )))
... ... @@ -1059,7 +1059,7 @@
1059 1059  (((
1060 1060  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
1061 1061  (((
1062 -a) DR0: max is 11 bytes so one entry of data
1050 +**a) DR0:** max is 11 bytes so one entry of data
1063 1063  )))
1064 1064  )))
1065 1065  )))
... ... @@ -1070,7 +1070,7 @@
1070 1070  (((
1071 1071  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1072 1072  (((
1073 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1061 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1074 1074  )))
1075 1075  )))
1076 1076  )))
... ... @@ -1081,7 +1081,7 @@
1081 1081  (((
1082 1082  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1083 1083  (((
1084 -c) DR2: total payload includes 11 entries of data
1072 +**c) DR2:** total payload includes 11 entries of data
1085 1085  )))
1086 1086  )))
1087 1087  )))
... ... @@ -1092,7 +1092,7 @@
1092 1092  (((
1093 1093  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1094 1094  (((
1095 -d) DR3: total payload includes 22 entries of data.
1083 +**d) DR3: **total payload includes 22 entries of data.
1096 1096  )))
1097 1097  )))
1098 1098  )))
... ... @@ -1103,7 +1103,7 @@
1103 1103  (((
1104 1104  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1105 1105  (((
1106 -If devise doesnt have any data in the polling time. Device will uplink 11 bytes of 0   
1094 +If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
1107 1107  )))
1108 1108  )))
1109 1109  )))
... ... @@ -1204,17 +1204,37 @@
1204 1204  (((
1205 1205  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1206 1206  
1195 +=== **2.7.1 ALARM MODE ( Since v1.3.1 firmware)** ===
1196 +
1197 +(((
1198 +(% class="box infomessage" %)
1199 +(((
1200 +**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1201 +
1202 +**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1203 +
1204 +**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1205 +
1206 +**AT+ARTEMP=? **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1207 +
1208 +**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1209 +
1210 +**AT+LEDALARM=1** :       Enable LED visual Alarm.
1211 +)))
1212 +)))
1213 +
1214 +
1207 1207  
1208 1208  )))
1209 1209  
1210 1210  (((
1211 -**AT COMMAND FOR ALARM MODE:**
1219 +=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1212 1212  )))
1213 1213  
1214 1214  (% _mstvisible="1" class="box infomessage" %)
1215 1215  (((
1216 1216  (((
1217 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1225 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1218 1218  )))
1219 1219  
1220 1220  (((
... ... @@ -1264,9 +1264,6 @@
1264 1264  * RED LED when external sensor is not connected
1265 1265  * For each success downlink, the PURPLE LED will blink once
1266 1266  
1267 -
1268 -
1269 -
1270 1270  == 2.9 installation ==
1271 1271  
1272 1272  
... ... @@ -1324,9 +1324,6 @@
1324 1324  * Operating Range: -40 ~~ 125 °C
1325 1325  * Working voltage 2.35v ~~ 5v
1326 1326  
1327 -
1328 -
1329 -
1330 1330  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1331 1331  
1332 1332  
... ... @@ -1396,9 +1396,6 @@
1396 1396  
1397 1397  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1398 1398  
1399 -
1400 -
1401 -
1402 1402  == 4.2 Set External Sensor Mode ==
1403 1403  
1404 1404  
... ... @@ -1422,9 +1422,6 @@
1422 1422  
1423 1423  * 0xA20702003c: Same as AT+SETCNT=60
1424 1424  
1425 -
1426 -
1427 -
1428 1428  == 4.3 Enable/Disable uplink Temperature probe ID ==
1429 1429  
1430 1430  
... ... @@ -1455,9 +1455,6 @@
1455 1455  * **0xA800**  **~-~->** AT+PID=0
1456 1456  * **0xA801**     **~-~->** AT+PID=1
1457 1457  
1458 -
1459 -
1460 -
1461 1461  == 4.4 Set Password ==
1462 1462  
1463 1463  
... ... @@ -1509,9 +1509,6 @@
1509 1509  
1510 1510  * There is no downlink command to set to Sleep mode.
1511 1511  
1512 -
1513 -
1514 -
1515 1515  == 4.7 Set system time ==
1516 1516  
1517 1517  
... ... @@ -1567,7 +1567,7 @@
1567 1567  
1568 1568  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1569 1569  
1570 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1560 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1571 1571  
1572 1572  
1573 1573  
... ... @@ -1618,11 +1618,8 @@
1618 1618  
1619 1619  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1620 1620  
1621 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1611 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1622 1622  
1623 -
1624 -
1625 -
1626 1626  == 4.13 Auto Send None-ACK messages ==
1627 1627  
1628 1628  
... ... @@ -1641,11 +1641,57 @@
1641 1641  
1642 1642  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1643 1643  
1644 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1631 +* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1645 1645  
1633 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1646 1646  
1647 1647  
1636 +Feature: Set internal and external temperature sensor alarms.
1648 1648  
1638 +(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1639 +|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1640 +|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
1641 +
1642 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1643 +
1644 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
1645 +
1646 +0): Cancel
1647 +
1648 +1): Threshold alarm
1649 +
1650 +2): Fluctuation alarm
1651 +
1652 +
1653 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
1654 +
1655 +(% 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.**
1656 +
1657 +
1658 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
1659 +
1660 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
1661 +
1662 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
1663 +
1664 +
1665 +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.
1666 +
1667 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
1668 +
1669 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
1670 +
1671 +
1672 +(% style="color:#4f81bd" %)**Downlink Command: 0xA5**
1673 +
1674 +0xA5 00 ~-~- AT+WMOD=0.
1675 +
1676 +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 )
1677 +
1678 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1679 +
1680 +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.
1681 +
1649 1649  = 5. Battery & How to replace =
1650 1650  
1651 1651  
... ... @@ -1715,7 +1715,6 @@
1715 1715  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1716 1716  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1717 1717  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1718 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1719 1719  
1720 1720  (((
1721 1721  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.
... ... @@ -2115,9 +2115,6 @@
2115 2115  
2116 2116  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2117 2117  
2118 -
2119 -
2120 -
2121 2121  = 8. Packing Info =
2122 2122  
2123 2123  
... ... @@ -2131,17 +2131,11 @@
2131 2131  * Device Size:  10 x 10 x 3.5 cm
2132 2132  * Device Weight: 120.5g
2133 2133  
2134 -
2135 -
2136 -
2137 2137  = 9. Reference material =
2138 2138  
2139 2139  
2140 2140  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2141 2141  
2142 -
2143 -
2144 -
2145 2145  = 10. FCC Warning =
2146 2146  
2147 2147