Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 52.3 >
edited by Xiaoling
on 2023/06/12 10:34
To version < 73.1 >
edited by Saxer Lin
on 2023/08/18 09:50
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
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227 227  
228 228  (% style="color:#037691" %)**Frequency Band**:
229 229  
230 -*0x01: EU868
230 +0x01: EU868
231 231  
232 -*0x02: US915
232 +0x02: US915
233 233  
234 -*0x03: IN865
234 +0x03: IN865
235 235  
236 -*0x04: AU915
236 +0x04: AU915
237 237  
238 -*0x05: KZ865
238 +0x05: KZ865
239 239  
240 -*0x06: RU864
240 +0x06: RU864
241 241  
242 -*0x07: AS923
242 +0x07: AS923
243 243  
244 -*0x08: AS923-1
244 +0x08: AS923-1
245 245  
246 -*0x09: AS923-2
246 +0x09: AS923-2
247 247  
248 -*0x0a: AS923-3
248 +0x0a: AS923-3
249 249  
250 -*0x0b: CN470
250 +0x0b: CN470
251 251  
252 -*0x0c: EU433
252 +0x0c: EU433
253 253  
254 -*0x0d: KR920
254 +0x0d: KR920
255 255  
256 -*0x0e: MA869
256 +0x0e: MA869
257 257  
258 258  
259 259  (% style="color:#037691" %)**Sub-Band**:
... ... @@ -329,9 +329,8 @@
329 329  )))|(% style="width:189px" %)(((
330 330  Digital in(PB15) & Digital Interrupt(PA8)
331 331  )))|(% style="width:208px" %)(((
332 -Distance measure by:1) LIDAR-Lite V3HP
333 -Or
334 -2) Ultrasonic Sensor
332 +Distance measure by: 1) LIDAR-Lite V3HP
333 +Or 2) Ultrasonic Sensor
335 335  )))|(% style="width:117px" %)Reserved
336 336  
337 337  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]]
... ... @@ -361,8 +361,7 @@
361 361  ADC(PA4)
362 362  )))|(% style="width:323px" %)(((
363 363  Distance measure by:1)TF-Mini plus LiDAR
364 -Or 
365 -2) TF-Luna LiDAR
363 +Or 2) TF-Luna LiDAR
366 366  )))|(% style="width:188px" %)Distance signal  strength
367 367  
368 368  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]]
... ... @@ -469,7 +469,6 @@
469 469  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
470 470  
471 471  
472 -
473 473  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
474 474  
475 475  
... ... @@ -582,6 +582,93 @@
582 582  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
583 583  
584 584  
582 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 +
584 +In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 +
586 +[[It should be noted when using PWM mode.>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H2.3.3.12A0PWMMOD]]
587 +
588 +
589 +===== 2.3.2.10.a  Uplink, PWM input capture =====
590 +
591 +[[image:image-20230817172209-2.png||height="439" width="683"]]
592 +
593 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
594 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:135px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**2**
595 +|Value|Bat|(% style="width:191px" %)(((
596 +Temperature(DS18B20)(PC13)
597 +)))|(% style="width:78px" %)(((
598 +ADC(PA4)
599 +)))|(% style="width:135px" %)(((
600 +PWM_Setting
601 +
602 +&Digital Interrupt(PA8)
603 +)))|(% style="width:70px" %)(((
604 +Pulse period
605 +)))|(% style="width:89px" %)(((
606 +Duration of high level
607 +)))
608 +
609 +[[image:image-20230817170702-1.png||height="161" width="1044"]]
610 +
611 +
612 +When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
613 +
614 +Frequency：
615 +
616 +(% class="MsoNormal" %)
617 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0 ,**
618 +
619 +(((
620 +
621 +
622 +(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 +)))
624 +
625 +(% class="MsoNormal" %)
626 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1 ,**
627 +
628 +(((
629 +
630 +
631 +(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632 +)))
633 +
634 +(% class="MsoNormal" %)
635 +Duty cycle:
636 +
637 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
638 +
639 +
640 +
641 +(((
642 +
643 +)))
644 +
645 +
646 +[[image:image-20230818092200-1.png||height="344" width="627"]]
647 +
648 +
649 +===== 2.3.2.10.b  Downlink, PWM output =====
650 +
651 +[[image:image-20230817173800-3.png||height="412" width="685"]]
652 +
653 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
654 +
655 + xx xx xx is the output frequency, the unit is HZ.
656 +
657 + yy is the duty cycle of the output, the unit is %.
658 +
659 + zz zz is the time delay of the output, the unit is ms.
660 +
661 +
662 +For example, send a downlink command: 0B 00 61 A8 32 13 88, the frequency is 25KHZ, the duty cycle is 50, and the output time is 5 seconds.
663 +
664 +The oscilloscope displays as follows:
665 +
666 +[[image:image-20230817173858-5.png||height="694" width="921"]]
667 +
668 +
585 585  === 2.3.3  ​Decode payload ===
586 586  
587 587  
... ... @@ -645,9 +645,9 @@
645 645  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
646 646  
647 647  
648 -The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
732 +The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
649 649  
650 -When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
734 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
651 651  
652 652  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]]
653 653  
... ... @@ -655,6 +655,10 @@
655 655  (% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.**
656 656  
657 657  
742 +The position of PA5 on the hardware after **LSN50 v3.3** is changed to the position shown in the figure below, and the collected voltage becomes one-sixth of the original.
743 +
744 +[[image:image-20230811113449-1.png||height="370" width="608"]]
745 +
658 658  ==== 2.3.3.5 Digital Interrupt ====
659 659  
660 660  
... ... @@ -801,9 +801,30 @@
801 801  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]]
802 802  
803 803  
804 -==== 2.3.3.12  Working MOD ====
892 +==== 2.3.3.12  PWM MOD ====
805 805  
806 806  
895 +* (((
896 +The maximum voltage that the SDA pin of SN50v3 can withstand is 3.6V, and it cannot exceed this voltage value, otherwise the chip may be burned.
897 +)))
898 +* (((
899 +If the PWM pin connected to the SDA pin cannot maintain a high level when it is not working, you need to remove the resistor R2 or replace it with a resistor with a larger resistance, otherwise a sleep current of about 360uA will be generated. The position of the resistor is shown in the figure below:
900 +)))
901 +
902 + [[image:image-20230817183249-3.png||height="320" width="417"]]
903 +
904 +* (((
905 +The signal captured by the input should preferably be processed by hardware filtering and then connected in. The software processing method is to capture four values, discard the first captured value, and then take the middle value of the second, third, and fourth captured values.
906 +)))
907 +* (((
908 +Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.3.8PWMsetting]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
909 +
910 +
911 +)))
912 +
913 +==== 2.3.3.13  Working MOD ====
914 +
915 +
807 807  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
808 808  
809 809  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -819,6 +819,7 @@
819 819  * 6: MOD7
820 820  * 7: MOD8
821 821  * 8: MOD9
931 +* 9: MOD10
822 822  
823 823  == 2.4 Payload Decoder file ==
824 824  
... ... @@ -1048,6 +1048,33 @@
1048 1048  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1049 1049  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1050 1050  
1161 +
1162 +=== 3.3.8 PWM setting ===
1163 +
1164 +Feature: Set the time acquisition unit for PWM input capture.
1165 +
1166 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1167 +
1168 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1169 +|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1170 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1171 +0(default)
1172 +
1173 +OK
1174 +)))
1175 +|(% style="width:154px" %)AT+PWMSET=0|(% style="width:196px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:157px" %)(((
1176 +OK
1177 +
1178 +)))
1179 +|(% style="width:154px" %)AT+PWMSET=1|(% style="width:196px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:157px" %)OK
1180 +
1181 +(% style="color:blue" %)**Downlink Command: 0x0C**
1182 +
1183 +Format: Command Code (0x0C) followed by 1 bytes.
1184 +
1185 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1186 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1187 +
1051 1051  = 4. Battery & Power Consumption =
1052 1052  
1053 1053  
... ... @@ -1070,8 +1070,8 @@
1070 1070  
1071 1071  **Methods to Update Firmware:**
1072 1072  
1073 -* (Recommanded way) OTA firmware update via wireless:   [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
1074 -* Update through UART TTL interface.**[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1210 +* (Recommanded way) OTA firmware update via wireless: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
1211 +* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1075 1075  
1076 1076  = 6. FAQ =
1077 1077  
... ... @@ -1081,6 +1081,22 @@
1081 1081  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1082 1082  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1083 1083  
1221 +== 6.2 How to generate PWM Output in SN50v3-LB? ==
1222 +
1223 +
1224 +See this document: **[[Generate PWM Output on SN50v3>>https://www.dropbox.com/scl/fi/r3trcet2knujg40w0mgyn/Generate-PWM-Output-on-SN50v3.pdf?rlkey=rxsgmrhhrv62iiiwjq9sv10bn&dl=0]]**.
1225 +
1226 +
1227 +== 6.3 How to put several sensors to a SN50v3-LB? ==
1228 +
1229 +
1230 +When we want to put several sensors to A SN50v3-LB, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
1231 +
1232 +[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1233 +
1234 +[[image:image-20230810121434-1.png||height="242" width="656"]]
1235 +
1236 +
1084 1084  = 7. Order Info =
1085 1085  
1086 1086  
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