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Last modified by Xiaoling on 2025/07/10 16:21
From version 138.1
edited by Mengting Qiu
on 2025/05/23 08:45
Change comment: There is no comment for this version
To version 146.3
edited by Mengting Qiu
on 2025/07/08 10:58
Change comment: There is no comment for this version

Summary

Details

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3 3  
4 -(% style="text-align:center" %)
5 -[[image:image-20240109154731-4.png||height="546" width="769"]]
4 +[[image:image-20240109154731-4.png||data-xwiki-image-style-alignment="center" height="546" width="769"]]
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142 142  * Long-Term Stability: ±0.2% F.S / Year
143 143  * Storage temperature: -30°C~~80°C
144 144  * Operating temperature: 0°C~~50°C
145 -* Material: 316 stainless steels
144 +* Probe Material: 316 stainless steels
145 +* Cable model specifications： CGYPU 5*0.2mm2
146 +* Usage characteristics of Cable
147 +1） Operating temperature：-40℃— +70℃
148 +2） -30℃ bending cable 15 times of outer diameter can work normally
146 146  
147 147  === 1.4.3 Wireless Differential Air Pressure Sensor ===
148 148  
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242 242  
243 243  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
244 244  |=(% style="width: 167px;background-color:#4F81BD;color:white" %)Behavior on ACT|=(% style="width: 117px;background-color:#4F81BD;color:white" %)Function|=(% style="width: 226px;background-color:#4F81BD;color:white" %)Action
245 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
246 -
247 -
248 +|[[image:1749540420016-961.png]] 1~~3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
248 248  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, blue led will blink once.
249 249  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
250 250  )))
251 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT for more than 3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
252 -
253 -
252 +|[[image:1749540423574-437.png]] >3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
254 254  Green led will fast blink 5 times, device will enter OTA mode for 3 seconds. And then start to JOIN LoRaWAN network.
255 255  Green led will solidly turn on for 5 seconds after joined in network.
256 256  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
257 257  )))
258 -|(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)Red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
257 +|[[image:1749540397649-875.png]] x5|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)Red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
259 259  
260 260  == 1.8 Pin Mapping ==
261 261  
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625 625  == 2.6 Datalog Feature (Since V1.1) ==
626 626  
627 627  
628 -When a user wants to retrieve sensor value, he can send a poll command from the IoT platform to ask the sensor to send value in the required time slot.
627 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, PS-LB will store the reading for future retrieving purposes.
629 629  
630 630  
631 -=== 2.6.1 Unix TimeStamp ===
630 +=== 2.5.1 How datalog works ===
632 632  
633 633  
634 -PS-LB uses Unix TimeStamp format based on
633 +PS-LB will wait for ACK for every uplink, when there is no LoRaWAN network,PS-LB 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.
635 635  
636 -[[image:image-20250401163826-3.jpeg]]
635 +* (((
636 +a) PS-LB will do an ACK check for data records sending to make sure every data arrive server.
637 +)))
638 +* (((
639 +b) PS-LB will send data in **CONFIRMED Mode**, but PS-LB 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 PS-LB gets a ACK, PS-LB will consider there is a network connection and resend all NONE-ACK messages.
637 637  
638 -Users can get this time from the link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
641 +
642 +)))
639 639  
640 -Below is the converter example:
644 +=== 2.5.2 Enable Datalog ===
641 641  
642 -[[image:image-20250401163906-4.jpeg]]
643 643  
647 +User need to make sure below two settings are enable to use datalog;
644 644  
645 -=== 2.6.2 Set Device Time ===
649 +* (% style="color:blue" %)**SYNCMOD=1(Default)**(%%) to enable sync time via LoRaWAN MAC command, click here ([[AT+SYNCMOD>>https://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.6Settimesynchronizationmethod28ThenetworkservermustsupportLoRaWANv1.0.329]]) for detailed instructions.
650 +* (% style="color:blue" %)**PNACKMD=1**(%%)** **to enable datalog feature, click here ([[AT+PNACKMD>>https://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.26RequesttheservertosendanACK]]) for detailed instructions.
646 646  
647 647  
648 -There are two ways to set the device's time:
649 649  
654 +Once PS-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to PS-LB. If PS-LB fails to get the time from the server, PS-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
650 650  
651 -~1. Through LoRaWAN MAC Command (Default settings)
656 +(% 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.**
652 652  
653 -Users need to set SYNCMOD=1 to enable sync time via the MAC command.
654 654  
655 -Once CPL01 Joined the LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to CPL01. If CPL01 fails to get the time from the server, CPL01 will use the internal time and wait for the next time request ~[[[via Device Status (FPORT=5)>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.1DeviceStatus2CFPORT3D5]]].
659 +=== 2.6.1 Unix TimeStamp ===
656 656  
657 -Note: LoRaWAN Server needs to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature.
658 658  
662 +PS-LB uses Unix TimeStamp format based on
659 659  
660 - 2. Manually Set Time
664 +[[image:image-20250401163826-3.jpeg]]
661 661  
662 -Users need to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
666 +Users can get this time from the link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
663 663  
668 +Below is the converter example:
664 664  
670 +[[image:image-20250401163906-4.jpeg]]
671 +
672 +
665 665  === 2.6.3 Poll sensor value ===
666 666  
667 667  Users can poll sensor values based on timestamps. Below is the downlink command.
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1265 1265  
1266 1266  * Example 1: Downlink Payload: AE 01 02 58 12 ~-~-->  AT+STDC=1,600,18
1267 1267  
1268 -
1269 1269  == 3.4 Print data entries base on page(Since v1.1.0) ==
1270 1270  
1271 1271  
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1437 1437  [[image:image-20240329175044-1.png]]
1438 1438  
1439 1439  
1447 +== 6.5 Cable & Probe Material Compatibility(Immersion type) ==
1448 +
1449 +
1450 +Since the installation method of immersion sensors requires immersion in a liquid environment, the discussion of liquids that can be safely installed is very important.
1451 +
1452 +(% style="color:blue" %)**The material of the immersed part of the immersion sensor:**
1453 +
1454 +* **Cable Jacket**: Black polyurethane (PU) – Resistant to water, oils, and mild chemicals.
1455 +* **Probe Material**: 316 stainless steel – Corrosion-resistant in most industrial/marine environments.
1456 +
1457 +(% style="color:blue" %)**Chemical Compatibility:**
1458 +
1459 +* **Polyurethane (PU) Cable:** Resists water, oils, fuels, and mild chemicals but may degrade with prolonged exposure to strong acids, bases, or solvents (e.g., acetone, chlorinated hydrocarbons).
1460 +* 3**16 Stainless Steel Probe:** Suitable for water, seawater, mild acids/alkalis, and industrial fluids. Avoid highly concentrated acids (e.g., hydrochloric acid) or chlorides at high temperatures.
1461 +
1462 +**Chemical Resistance Chart for Polyurethane (PU) Cable**
1463 +
1464 +[[image:image-20250603171424-1.png||height="429" width="625"]]
1465 +
1466 +**Chemical Resistance Chart for 316 Stainless Steel Probe**
1467 +
1468 +[[image:image-20250603171503-2.png||height="350" width="616"]]
1469 +
1470 +
1440 1440  = 7. Troubleshooting =
1441 1441  
1442 1442  == 7.1 Water Depth Always shows 0 in payload ==
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