Last modified by Xiaoling on 2025/04/03 14:00
<
From version < 17.2 >
edited by Xiaoling
on 2023/01/31 13:44
To version < 16.1 >
edited by Xiaoling
on 2023/01/31 11:52
>
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2 2  
3 3  
4 4  
5 +
5 5  **Table of Contents：**
6 6  
7 7  
9 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
8 8  
9 9  
10 10  
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18 18  
19 19  
20 20  
21 -= 1. Introduction =
22 22  
24 += 1. Introduction =
25 +
23 23  == 1.1 What is LoRaWAN Pressure Sensor ==
24 24  
25 25  
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56 56  * 8500mAh Battery for long term use
57 57  
58 58  
62 +
59 59  == 1.3 Specification ==
60 60  
61 61  
... ... @@ -103,11 +103,14 @@
103 103  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
104 104  
105 105  
110 +
106 106  == 1.4 Probe Types ==
107 107  
113 +
108 108  === 1.4.1 Thread Installation Type ===
109 109  
110 110  
117 +
111 111  [[image:1675071448299-229.png]]
112 112  
113 113  * Hersman Pressure Transmitter
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122 122  * Connector Type: Various Types, see order info
123 123  
124 124  
132 +
125 125  === 1.4.2 Immersion Type ===
126 126  
127 127  
136 +
128 128  [[image:1675071521308-426.png]]
129 129  
130 130  * Immersion Type, Probe IP Level: IP68
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139 139  * Material: 316 stainless steels
140 140  
141 141  
151 +
142 142  == 1.5 Probe Dimension ==
143 143  
144 144  
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159 159  * Constant Pressure Water Supply
160 160  * Liquid Pressure measuring
161 161  
172 +
162 162  Order the suitable thread size and install to measure the air / liquid pressure
163 163  
164 164  [[image:1675071670469-145.png]]
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197 197  [[image:1675071855856-879.png]]
198 198  
199 199  
200 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:black; width:510px" %)
201 -|(% style="width:138px" %)**Behavior on ACT**|(% style="width:100px" %)**Function**|**Action**
202 -|(% style="width:138px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
211 +|**Behavior on ACT**|**Function**|**Action**
212 +|Pressing ACT between 1s < time < 3s|Send an uplink|(((
203 203  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **blue led** will blink once.
204 204  
205 205  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
206 206  )))
207 -|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
217 +|Pressing ACT for more than 3s|Active Device|(((
208 208  **Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network.
209 209  
210 210  **Green led** will solidly turn on for 5 seconds after joined in network.
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211 211  
212 212  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.
213 213  )))
214 -|(% style="width:138px" %)Fast press ACT 5 times.|(% style="width:100px" %)Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
224 +|Fast press ACT 5 times.|Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
215 215  
216 216  
217 -
218 218  == 1.9 Pin Mapping ==
219 219  
220 220  
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221 221  [[image:1675072568006-274.png]]
222 222  
223 223  
224 -== 1.10 BLE connection ==
225 225  
234 +1.
235 +11. BLE connection
226 226  
227 227  PS-LB support BLE remote configure.
228 228  
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236 236  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
237 237  
238 238  
239 -== 1.11 Mechanical ==
240 240  
241 241  
251 +1.
252 +11. Mechanical
242 242  
254 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
243 243  
244 -[[image:1675143884058-338.png]]
256 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
245 245  
258 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
246 246  
247 247  
248 248  
262 +
249 249  1. Configure PS-LB to connect to LoRaWAN network
250 250  11. How it works
251 251  
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252 252  The PS-LB is configured as **LoRaWAN OTAA Class A** mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the PS-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
253 253  
254 254  
255 -1.
269 +1.
256 256  11. ​Quick guide to connect to LoRaWAN server (OTAA)
257 257  
258 258  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
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329 329  
330 330  
331 331  
332 -1.
333 -11.
346 +1.
347 +11.
334 334  111. Device Status, FPORT=5
335 335  
336 336  Include device configure status. Once PS-LB Joined the network, it will uplink this message to the server.
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403 403  
404 404  
405 405  
406 -1.
407 -11.
420 +1.
421 +11.
408 408  111. Sensor value, FPORT=2
409 409  
424 +
410 410  Uplink payload includes in total 9 bytes.
411 411  
412 412  
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421 421  
422 422  
423 423  
439 +
424 424  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
425 425  
426 426  
427 427  
428 428  1.
429 -11.
445 +11.
430 430  111. Battery Info
431 431  
432 432  Check the battery voltage for PS-LB.
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436 436  Ex2: 0x0B49 = 2889mV
437 437  
438 438  
439 -1.
440 -11.
455 +1.
456 +11.
441 441  111. Probe Model
442 442  
443 443  PS-LB has different kind of probe, 0~~20mA represent the full scale of the measuring range. So a 15mA output means different meaning for different probe. 
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452 452  The probe model field provides the convenient for server to identical how it should parse the 0~~20mA sensor value and get the correct value.
453 453  
454 454  
455 -1.
456 -11.
471 +1.
472 +11.
457 457  111. 0~~20mA value (IDC_IN)
458 458  
459 459  The output value from Pressure Probe, use together with Probe Model to get the pressure value or water level.
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464 464  27AE(H) = 10158 (D)/1000 = 10.158mA.
465 465  
466 466  
467 -1.
468 -11.
483 +1.
484 +11.
469 469  111. 0~~30V value ( pin VDC_IN)
470 470  
471 471  Measure the voltage value. The range is 0 to 30V.
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476 476  138E(H) = 5006(D)/1000= 5.006V
477 477  
478 478  
479 -1.
480 -11.
495 +1.
496 +11.
481 481  111. IN1&IN2&INT pin
482 482  
499 +
483 483  IN1 and IN2 are used as digital input pins.
484 484  
485 485  **Example**:
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507 507  
508 508  
509 509  
510 -1.
511 -11.
527 +1.
528 +11.
512 512  111. ​Decode payload in The Things Network
513 513  
514 514  While using TTN network, you can add the payload format to decode the payload.
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521 521  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
522 522  
523 523  
524 -1.
541 +1.
525 525  11. Uplink Interval
526 526  
527 527  The PS-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
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530 530  
531 531  
532 532  
533 -1.
550 +1.
534 534  11. ​Show Data in DataCake IoT Server
535 535  
536 536  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
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602 602  
603 603  
604 604  
605 -1.
622 +1.
606 606  11. ​Firmware Change Log
607 607  
608 608  **Firmware download link:**
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640 640  These commands only valid for PS-LB, as below:
641 641  
642 642  
643 -1.
660 +1.
644 644  11. Set Transmit Interval Time
645 645  
646 646  Feature: Change LoRaWAN End Node Transmit Interval.
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671 671  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
672 672  
673 673  
674 -1.
691 +
692 +1.
675 675  11. Set Interrupt Mode
676 676  
677 677  Feature, Set Interrupt mode for GPIO_EXIT.
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704 704  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
705 705  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
706 706  
707 -1.
725 +1.
708 708  11. Set the output time
709 709  
710 710  Feature, Control the output 3V3 , 5V or 12V.
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785 785  * Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
786 786  * Example 6: Downlink Payload: 07030000  -> AT+12VT=0
787 787  
788 -1.
806 +1.
789 789  11. Set the Probe Model
790 790  
791 791  **AT Command: AT** **+PROBE**
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817 817  
818 818  
819 819  
838 +
820 820  1. Battery & how to replace
821 821  11. Battery Type
822 822  
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833 833  PS-LB:  2.45v ~~ 3.6v
834 834  
835 835  
836 -1.
855 +1.
837 837  11. Replace Battery
838 838  
839 839  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
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842 842  
843 843  
844 844  
845 -1.
864 +1.
846 846  11. Power Consumption Analyze
847 847  
848 848  Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
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873 873  * [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]]
874 874  * [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
875 875  
895 +
876 876  |(((
877 877  JST-XH-2P connector
878 878  )))
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882 882  
883 883  
884 884  1.
885 -11.
905 +11.
886 886  111. ​Battery Note
887 887  
888 888  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
889 889  
890 890  
891 -1.
892 -11.
911 +1.
912 +11.
893 893  111. ​Replace the battery
894 894  
895 895  You can change the battery in the PS-LB.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
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910 910  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]
911 911  
912 912  
913 -1.
933 +1.
914 914  11. AT Command Set
915 915  
936 +
916 916  1. OTA firmware update
917 917  
918 918  Please see this link for how to do OTA firmware update.
... ... @@ -929,7 +929,7 @@
929 929  See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
930 930  
931 931  
932 -1.
953 +1.
933 933  11. How to update firmware via UART port?
934 934  
935 935  See:
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937 937  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
938 938  
939 939  
940 -1.
961 +1.
941 941  11. How to change the LoRa Frequency Bands/Region
942 942  
943 943  You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
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970 970  
971 971  
972 972  
994 +
973 973  1. ​Support
974 974  
975 975  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
... ... @@ -977,3 +977,4 @@
977 977  
978 978  [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
979 979  
1002 +
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