Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 52.4 >
edited by Xiaoling
on 2023/06/12 10:39
To version < 74.5 >
edited by Xiaoling
on 2023/08/19 16:07
>
Change comment: There is no comment for this version

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... ... @@ -233,33 +233,33 @@
233 233  
234 234  (% style="color:#037691" %)**Frequency Band**:
235 235  
236 -*0x01: EU868
236 +0x01: EU868
237 237  
238 -*0x02: US915
238 +0x02: US915
239 239  
240 -*0x03: IN865
240 +0x03: IN865
241 241  
242 -*0x04: AU915
242 +0x04: AU915
243 243  
244 -*0x05: KZ865
244 +0x05: KZ865
245 245  
246 -*0x06: RU864
246 +0x06: RU864
247 247  
248 -*0x07: AS923
248 +0x07: AS923
249 249  
250 -*0x08: AS923-1
250 +0x08: AS923-1
251 251  
252 -*0x09: AS923-2
252 +0x09: AS923-2
253 253  
254 -*0x0a: AS923-3
254 +0x0a: AS923-3
255 255  
256 -*0x0b: CN470
256 +0x0b: CN470
257 257  
258 -*0x0c: EU433
258 +0x0c: EU433
259 259  
260 -*0x0d: KR920
260 +0x0d: KR920
261 261  
262 -*0x0e: MA869
262 +0x0e: MA869
263 263  
264 264  
265 265  (% style="color:#037691" %)**Sub-Band**:
... ... @@ -335,9 +335,8 @@
335 335  )))|(% style="width:189px" %)(((
336 336  Digital in(PB15) & Digital Interrupt(PA8)
337 337  )))|(% style="width:208px" %)(((
338 -Distance measure by:1) LIDAR-Lite V3HP
339 -Or
340 -2) Ultrasonic Sensor
338 +Distance measure by: 1) LIDAR-Lite V3HP
339 +Or 2) Ultrasonic Sensor
341 341  )))|(% style="width:117px" %)Reserved
342 342  
343 343  [[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"]]
... ... @@ -367,8 +367,7 @@
367 367  ADC(PA4)
368 368  )))|(% style="width:323px" %)(((
369 369  Distance measure by:1)TF-Mini plus LiDAR
370 -Or 
371 -2) TF-Luna LiDAR
369 +Or 2) TF-Luna LiDAR
372 372  )))|(% style="width:188px" %)Distance signal  strength
373 373  
374 374  [[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"]]
... ... @@ -475,7 +475,6 @@
475 475  [[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"]]
476 476  
477 477  
478 -
479 479  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
480 480  
481 481  
... ... @@ -588,6 +588,78 @@
588 588  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
589 589  
590 590  
588 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
589 +
590 +
591 +In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
592 +
593 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
594 +
595 +
596 +===== 2.3.2.10.a  Uplink, PWM input capture =====
597 +
598 +
599 +[[image:image-20230817172209-2.png||height="439" width="683"]]
600 +
601 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
602 +|(% 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**
603 +|Value|Bat|(% style="width:191px" %)(((
604 +Temperature(DS18B20)(PC13)
605 +)))|(% style="width:78px" %)(((
606 +ADC(PA4)
607 +)))|(% style="width:135px" %)(((
608 +PWM_Setting
609 +
610 +&Digital Interrupt(PA8)
611 +)))|(% style="width:70px" %)(((
612 +Pulse period
613 +)))|(% style="width:89px" %)(((
614 +Duration of high level
615 +)))
616 +
617 +[[image:image-20230817170702-1.png||height="161" width="1044"]]
618 +
619 +
620 +When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
621 +
622 +**Frequency：**
623 +
624 +(% class="MsoNormal" %)
625 +(% 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, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
626 +
627 +(% class="MsoNormal" %)
628 +(% 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, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
629 +
630 +
631 +(% class="MsoNormal" %)
632 +**Duty cycle:**
633 +
634 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
635 +
636 +[[image:image-20230818092200-1.png||height="344" width="627"]]
637 +
638 +
639 +===== 2.3.2.10.b  Downlink, PWM output =====
640 +
641 +
642 +[[image:image-20230817173800-3.png||height="412" width="685"]]
643 +
644 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
645 +
646 + xx xx xx is the output frequency, the unit is HZ.
647 +
648 + yy is the duty cycle of the output, the unit is %.
649 +
650 + zz zz is the time delay of the output, the unit is ms.
651 +
652 +
653 +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.
654 +
655 +The oscilloscope displays as follows:
656 +
657 +[[image:image-20230817173858-5.png||height="694" width="921"]]
658 +
659 +
591 591  === 2.3.3  ​Decode payload ===
592 592  
593 593  
... ... @@ -651,9 +651,9 @@
651 651  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
652 652  
653 653  
654 -The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
723 +The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
655 655  
656 -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.
725 +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.
657 657  
658 658  [[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"]]
659 659  
... ... @@ -661,6 +661,10 @@
661 661  (% 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.**
662 662  
663 663  
733 +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.
734 +
735 +[[image:image-20230811113449-1.png||height="370" width="608"]]
736 +
664 664  ==== 2.3.3.5 Digital Interrupt ====
665 665  
666 666  
... ... @@ -807,9 +807,31 @@
807 807  [[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"]]
808 808  
809 809  
810 -==== 2.3.3.12  Working MOD ====
883 +==== 2.3.3.12  PWM MOD ====
811 811  
812 812  
886 +* (((
887 +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.
888 +)))
889 +* (((
890 +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:
891 +)))
892 +
893 + [[image:image-20230817183249-3.png||height="320" width="417"]]
894 +
895 +* (((
896 +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.
897 +)))
898 +* (((
899 +Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>||anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
900 +
901 +
902 +
903 +)))
904 +
905 +==== 2.3.3.13  Working MOD ====
906 +
907 +
813 813  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
814 814  
815 815  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -825,6 +825,7 @@
825 825  * 6: MOD7
826 826  * 7: MOD8
827 827  * 8: MOD9
923 +* 9: MOD10
828 828  
829 829  
830 830  
... ... @@ -1070,6 +1070,35 @@
1070 1070  
1071 1071  
1072 1072  
1169 +=== 3.3.8 PWM setting ===
1170 +
1171 +
1172 +Feature: Set the time acquisition unit for PWM input capture.
1173 +
1174 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1175 +
1176 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1177 +|=(% 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**
1178 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1179 +0(default)
1180 +
1181 +OK
1182 +)))
1183 +|(% 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" %)(((
1184 +OK
1185 +
1186 +)))
1187 +|(% 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
1188 +
1189 +(% style="color:blue" %)**Downlink Command: 0x0C**
1190 +
1191 +Format: Command Code (0x0C) followed by 1 bytes.
1192 +
1193 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1194 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1195 +
1196 +
1197 +
1073 1073  = 4. Battery & Power Consumption =
1074 1074  
1075 1075  
... ... @@ -1092,8 +1092,8 @@
1092 1092  
1093 1093  **Methods to Update Firmware:**
1094 1094  
1095 -* (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/]]
1096 -* 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]]**.
1220 +* (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/]]**
1221 +* 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]]**.
1097 1097  
1098 1098  
1099 1099  
... ... @@ -1107,6 +1107,22 @@
1107 1107  
1108 1108  
1109 1109  
1235 +== 6.2 How to generate PWM Output in SN50v3-LB? ==
1236 +
1237 +
1238 +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]]**.
1239 +
1240 +
1241 +== 6.3 How to put several sensors to a SN50v3-LB? ==
1242 +
1243 +
1244 +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.
1245 +
1246 +[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1247 +
1248 +[[image:image-20230810121434-1.png||height="242" width="656"]]
1249 +
1250 +
1110 1110  = 7. Order Info =
1111 1111  
1112 1112  
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