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1		-[[image:image-20230131115217-1.png]]
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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]]
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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
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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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238	238
239	239
240	240
241		-1.
	251	+1.
242	242	11. Mechanical
243	243
244	244	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
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256	256	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.
257	257
258	258
259		-1.
	269	+1.
260	260	11. ​Quick guide to connect to LoRaWAN server (OTAA)
261	261
262	262	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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333	333
334	334
335	335
336		-1.
337		-11.
	346	+1.
	347	+11.
338	338	111. Device Status, FPORT=5
339	339
340	340	Include device configure status. Once PS-LB Joined the network, it will uplink this message to the server.
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407	407
408	408
409	409
410		-1.
411		-11.
	420	+1.
	421	+11.
412	412	111. Sensor value, FPORT=2
413	413
	424	+
414	414	Uplink payload includes in total 9 bytes.
415	415
416	416
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425	425
426	426
427	427
	439	+
428	428	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
429	429
430	430
431	431
432	432	1.
433		-11.
	445	+11.
434	434	111. Battery Info
435	435
436	436	Check the battery voltage for PS-LB.
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440	440	Ex2: 0x0B49 = 2889mV
441	441
442	442
443		-1.
444		-11.
	455	+1.
	456	+11.
445	445	111. Probe Model
446	446
447	447	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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456	456	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.
457	457
458	458
459		-1.
460		-11.
	471	+1.
	472	+11.
461	461	111. 0~~20mA value (IDC_IN)
462	462
463	463	The output value from Pressure Probe, use together with Probe Model to get the pressure value or water level.
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468	468	27AE(H) = 10158 (D)/1000 = 10.158mA.
469	469
470	470
471		-1.
472		-11.
	483	+1.
	484	+11.
473	473	111. 0~~30V value ( pin VDC_IN)
474	474
475	475	Measure the voltage value. The range is 0 to 30V.
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480	480	138E(H) = 5006(D)/1000= 5.006V
481	481
482	482
483		-1.
484		-11.
	495	+1.
	496	+11.
485	485	111. IN1&IN2&INT pin
486	486
	499	+
487	487	IN1 and IN2 are used as digital input pins.
488	488
489	489	**Example**:
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511	511
512	512
513	513
514		-1.
515		-11.
	527	+1.
	528	+11.
516	516	111. ​Decode payload in The Things Network
517	517
518	518	While using TTN network, you can add the payload format to decode the payload.
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525	525	[[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
526	526
527	527
528		-1.
	541	+1.
529	529	11. Uplink Interval
530	530
531	531	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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534	534
535	535
536	536
537		-1.
	550	+1.
538	538	11. ​Show Data in DataCake IoT Server
539	539
540	540	[[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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606	606
607	607
608	608
609		-1.
	622	+1.
610	610	11. ​Firmware Change Log
611	611
612	612	**Firmware download link:**
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644	644	These commands only valid for PS-LB, as below:
645	645
646	646
647		-1.
	660	+1.
648	648	11. Set Transmit Interval Time
649	649
650	650	Feature: Change LoRaWAN End Node Transmit Interval.
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675	675	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
676	676
677	677
678		-1.
	691	+
	692	+1.
679	679	11. Set Interrupt Mode
680	680
681	681	Feature, Set Interrupt mode for GPIO_EXIT.
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708	708	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
709	709	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
710	710
711		-1.
	725	+1.
712	712	11. Set the output time
713	713
714	714	Feature, Control the output 3V3 , 5V or 12V.
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789	789	* Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
790	790	* Example 6: Downlink Payload: 07030000  -> AT+12VT=0
791	791
792		-1.
	806	+1.
793	793	11. Set the Probe Model
794	794
795	795	**AT Command: AT** **+PROBE**
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821	821
822	822
823	823
	838	+
824	824	1. Battery & how to replace
825	825	11. Battery Type
826	826
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837	837	PS-LB:  2.45v ~~ 3.6v
838	838
839	839
840		-1.
	855	+1.
841	841	11. Replace Battery
842	842
843	843	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
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846	846
847	847
848	848
849		-1.
	864	+1.
850	850	11. Power Consumption Analyze
851	851
852	852	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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877	877	* [[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]]
878	878	* [[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]]
879	879
	895	+
880	880	|(((
881	881	JST-XH-2P connector
882	882	)))
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886	886
887	887
888	888	1.
889		-11.
	905	+11.
890	890	111. ​Battery Note
891	891
892	892	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.
893	893
894	894
895		-1.
896		-11.
	911	+1.
	912	+11.
897	897	111. ​Replace the battery
898	898
899	899	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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914	914	[[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/]]
915	915
916	916
917		-1.
	933	+1.
918	918	11. AT Command Set
919	919
	936	+
920	920	1. OTA firmware update
921	921
922	922	Please see this link for how to do OTA firmware update.
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933	933	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]]
934	934
935	935
936		-1.
	953	+1.
937	937	11. How to update firmware via UART port?
938	938
939	939	See:
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941	941	[[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]]
942	942
943	943
944		-1.
	961	+1.
945	945	11. How to change the LoRa Frequency Bands/Region
946	946
947	947	You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
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974	974
975	975
976	976
	994	+
977	977	1. ​Support
978	978
979	979	* 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.