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Last modified by Xiaoling on 2023/07/18 10:12
From version 206.1
edited by Edwin Chen
on 2022/10/18 09:46
Change comment: There is no comment for this version
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
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
... ... @@ -61,7 +61,6 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -86,7 +86,6 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 92  
... ... @@ -278,7 +278,6 @@
278 278  * The 7th byte (EXT #): defines the external sensor model.
279 279  * 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.)
280 280  
281 -
282 282  === 2.4.1 Decoder in TTN V3 ===
283 283  
284 284  
... ... @@ -308,7 +308,6 @@
308 308  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
309 309  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
310 310  
311 -
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  
... ... @@ -327,7 +327,6 @@
327 327  
328 328  * Humidity:    0x025C/10=60.4%
329 329  
330 -
331 331  === 2.4.5 Ext # ===
332 332  
333 333  
... ... @@ -485,8 +485,6 @@
485 485  * (% 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.
486 486  * (% 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)
487 487  
488 -
489 -
490 490  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
491 491  
492 492  
... ... @@ -1199,17 +1199,37 @@
1199 1199  (((
1200 1200  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1201 1201  
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 +
1202 1202  
1203 1203  )))
1204 1204  
1205 1205  (((
1206 -**AT COMMAND FOR ALARM MODE:**
1219 +=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1207 1207  )))
1208 1208  
1209 1209  (% _mstvisible="1" class="box infomessage" %)
1210 1210  (((
1211 1211  (((
1212 -**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)
1213 1213  )))
1214 1214  
1215 1215  (((
... ... @@ -1259,7 +1259,6 @@
1259 1259  * RED LED when external sensor is not connected
1260 1260  * For each success downlink, the PURPLE LED will blink once
1261 1261  
1262 -
1263 1263  == 2.9 installation ==
1264 1264  
1265 1265  
... ... @@ -1317,7 +1317,6 @@
1317 1317  * Operating Range: -40 ~~ 125 °C
1318 1318  * Working voltage 2.35v ~~ 5v
1319 1319  
1320 -
1321 1321  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1322 1322  
1323 1323  
... ... @@ -1387,7 +1387,6 @@
1387 1387  
1388 1388  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1389 1389  
1390 -
1391 1391  == 4.2 Set External Sensor Mode ==
1392 1392  
1393 1393  
... ... @@ -1411,7 +1411,6 @@
1411 1411  
1412 1412  * 0xA20702003c: Same as AT+SETCNT=60
1413 1413  
1414 -
1415 1415  == 4.3 Enable/Disable uplink Temperature probe ID ==
1416 1416  
1417 1417  
... ... @@ -1442,7 +1442,6 @@
1442 1442  * **0xA800**  **~-~->** AT+PID=0
1443 1443  * **0xA801**     **~-~->** AT+PID=1
1444 1444  
1445 -
1446 1446  == 4.4 Set Password ==
1447 1447  
1448 1448  
... ... @@ -1494,7 +1494,6 @@
1494 1494  
1495 1495  * There is no downlink command to set to Sleep mode.
1496 1496  
1497 -
1498 1498  == 4.7 Set system time ==
1499 1499  
1500 1500  
... ... @@ -1603,7 +1603,6 @@
1603 1603  
1604 1604  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1605 1605  
1606 -
1607 1607  == 4.13 Auto Send None-ACK messages ==
1608 1608  
1609 1609  
... ... @@ -1624,7 +1624,55 @@
1624 1624  
1625 1625  * Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1626 1626  
1633 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1627 1627  
1635 +
1636 +Feature: Set internal and external temperature sensor alarms.
1637 +
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 +
1628 1628  = 5. Battery & How to replace =
1629 1629  
1630 1630