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Last modified by Xiaoling on 2025/06/10 15:28
From version 42.3
edited by Xiaoling
on 2023/01/31 15:38
Change comment: There is no comment for this version
To version 42.9
edited by Xiaoling
on 2023/01/31 15:49
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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4 4  
5 5  **Table of Contents：**
6 6  
7 +{{toc/}}
7 7  
8 8  
9 9  
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10 10  
11 11  
12 12  
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 21  = 1. Introduction =
22 22  
23 23  == 1.1 What is LoRaWAN Pressure Sensor ==
24 24  
25 25  
26 -The Dragino PS-LB series sensors are **LoRaWAN Pressure Sensor** for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
19 +The Dragino PS-LB series sensors are **(% style="color:blue" %)LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
27 27  
28 -The PS-LB series sensors include **Thread Installation Type** and **Immersion Type**, it supports different pressure range which can be used for different measurement requirement.
21 +The PS-LB series sensors include **(% style="color:blue" %)Thread Installation Type**(%%) and **(% style="color:blue" %)Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
29 29  
30 30  The LoRa wireless technology used in PS-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
31 31  
32 32  PS-LB supports BLE configure and wireless OTA update which make user easy to use.
33 33  
34 -PS-LB is powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use up to 5 years.
27 +PS-LB is powered by **(% style="color:blue" %)8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
35 35  
36 36  Each PS-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37 37  
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59 59  == 1.3 Specification ==
60 60  
61 61  
62 -**Micro Controller:**
55 +**(% style="color:#037691" %)Micro Controller:**
63 63  
64 64  * MCU: 48Mhz ARM
65 65  * Flash: 256KB
66 66  * RAM: 64KB
67 67  
68 -**Common DC Characteristics:**
61 +**(% style="color:#037691" %)Common DC Characteristics:**
69 69  
70 70  * Supply Voltage: 2.5v ~~ 3.6v
71 71  * Operating Temperature: -40 ~~ 85°C
72 72  
73 -**LoRa Spec:**
66 +**(% style="color:#037691" %)LoRa Spec:**
74 74  
75 75  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
76 76  * Max +22 dBm constant RF output vs.
... ... @@ -77,19 +77,19 @@
77 77  * RX sensitivity: down to -139 dBm.
78 78  * Excellent blocking immunity
79 79  
80 -**Current Input Measuring :**
73 +**(% style="color:#037691" %)Current Input Measuring :**
81 81  
82 82  * Range: 0 ~~ 20mA
83 83  * Accuracy: 0.02mA
84 84  * Resolution: 0.001mA
85 85  
86 -**Voltage Input Measuring:**
79 +**(% style="color:#037691" %)Voltage Input Measuring:**
87 87  
88 88  * Range: 0 ~~ 30v
89 89  * Accuracy: 0.02v
90 90  * Resolution: 0.001v
91 91  
92 -**Battery:**
85 +**(% style="color:#037691" %)Battery:**
93 93  
94 94  * Li/SOCI2 un-chargeable battery
95 95  * Capacity: 8500mAh
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97 97  * Max continuously current: 130mA
98 98  * Max boost current: 2A, 1 second
99 99  
100 -**Power Consumption**
93 +**(% style="color:#037691" %)Power Consumption**
101 101  
102 102  * Sleep Mode: 5uA @ 3.3v
103 103  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
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149 149  === 1.6.1 Thread Installation Type ===
150 150  
151 151  
152 -**Application:**
145 +**(% style="color:blue" %)Application:**
153 153  
154 154  * Hydraulic Pressure
155 155  * Petrochemical Industry
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167 167  === 1.6.2 Immersion Type ===
168 168  
169 169  
170 -**Application:**
163 +**(% style="color:blue" %)Application:**
171 171  
172 172  Liquid & Water Pressure / Level detect.
173 173  
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186 186  == 1.7 Sleep mode and working mode ==
187 187  
188 188  
189 -**Deep Sleep Mode: **Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
182 +**(% style="color:blue" %)Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
190 190  
191 -**Working Mode:** In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
184 +**(% style="color:blue" %)Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
192 192  
193 193  
194 194  == 1.8 Button & LEDs ==
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200 200  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
201 201  |(% style="width:138px" %)**Behavior on ACT**|(% style="width:100px" %)**Function**|**Action**
202 202  |(% style="width:138px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
203 -If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **blue led** will blink once.
196 +If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **(% style="color:blue" %)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  )))
207 207  |(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
208 -**Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network.
201 +**(% style="color:green" %)Green led**(%%) will fast blink 5 times, device will enter **(% style="color:#037691" %)OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
209 209  
210 -**Green led** will solidly turn on for 5 seconds after joined in network.
203 +**(% style="color:green" %)Green led**(%%) will solidly turn on for 5 seconds after joined in network.
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  )))
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255 255  == 2.1 How it works ==
256 256  
257 257  
258 -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.
251 +The PS-LB is configured as **(% style="color:#037691" %)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.
259 259  
260 260  
261 261  
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271 271  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
272 272  
273 273  
274 -**Step 1**: Create a device in TTN with the OTAA keys from PS-LB.
267 +**(% style="color:blue" %)Step 1:**(%%) Create a device in TTN with the OTAA keys from PS-LB.
275 275  
276 276  Each PS-LB is shipped with a sticker with the default device EUI as below:
277 277  
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282 282  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
283 283  
284 284  
285 -**Register the device**
278 +**(% style="color:blue" %)Register the device**
286 286  
287 287  [[image:1675144099263-405.png]]
288 288  
289 289  
290 -**Add APP EUI and DEV EUI**
283 +**(% style="color:blue" %)Add APP EUI and DEV EUI**
291 291  
292 292  [[image:1675144117571-832.png]]
293 293  
294 294  
295 -**Add APP EUI in the application**
288 +**(% style="color:blue" %)Add APP EUI in the application**
296 296  
297 297  
298 298  [[image:1675144143021-195.png]]
299 299  
300 300  
301 -**Add APP KEY**
294 +**(% style="color:blue" %)Add APP KEY**
302 302  
303 303  [[image:1675144157838-392.png]]
304 304  
305 -**Step 2**: Activate on PS-LB
298 +**(% style="color:blue" %)Step 2:**(%%) Activate on PS-LB
306 306  
307 307  
308 308  Press the button for 5 seconds to activate the PS-LB.
309 309  
310 -**Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network. **Green led** will solidly turn on for 5 seconds after joined in network.
303 +**(% style="color:green" %)Green led**(%%) will fast blink 5 times, device will enter **(% style="color:blue" %)OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. **(% style="color:green" %)Green led**(%%) will solidly turn on for 5 seconds after joined in network.
311 311  
312 312  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
313 313  
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822 822  
823 823  [[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
824 824  
825 -
826 826  
827 827  **Step 2:** Open it and choose
828 828