Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
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... ... @@ -41,6 +41,8 @@ 41 41 * Downlink to change configure 42 42 * 8500mAh Battery for long term use 43 43 44 + 45 + 44 44 == 1.3 Specification == 45 45 46 46 ... ... @@ -78,6 +78,8 @@ 78 78 * Sleep Mode: 5uA @ 3.3v 79 79 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 80 80 83 + 84 + 81 81 == 1.4 Sleep mode and working mode == 82 82 83 83 ... ... @@ -105,6 +105,8 @@ 105 105 ))) 106 106 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 107 107 112 + 113 + 108 108 == 1.6 BLE connection == 109 109 110 110 ... ... @@ -360,7 +360,8 @@ 360 360 ADC(PA4) 361 361 )))|(% style="width:323px" %)((( 362 362 Distance measure by:1)TF-Mini plus LiDAR 363 -Or 2) TF-Luna LiDAR 369 +Or 370 +2) TF-Luna LiDAR 364 364 )))|(% style="width:188px" %)Distance signal strength 365 365 366 366 [[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"]] ... ... @@ -467,6 +467,7 @@ 467 467 [[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"]] 468 468 469 469 477 + 470 470 ==== 2.3.2.6 MOD~=6 (Counting Mode) ==== 471 471 472 472 ... ... @@ -579,74 +579,6 @@ 579 579 When AA is 2, set the count of PA4 pin to BB Corresponding downlink:09 02 bb bb bb bb 580 580 581 581 582 -==== 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,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period(HZ); 618 - 619 -(% class="MsoNormal" %) 620 -(% 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); 621 - 622 -(% class="MsoNormal" %) 623 -Duty cycle: 624 - 625 -Duty cycle= Duration of high level/ Pulse period*100 ~(%). 626 - 627 -[[image:image-20230818092200-1.png||height="344" width="627"]] 628 - 629 - 630 -===== 2.3.2.10.b Downlink, PWM output ===== 631 - 632 -[[image:image-20230817173800-3.png||height="412" width="685"]] 633 - 634 -Downlink: (% style="color:#037691" %)**0B xx xx xx yy zz zz** 635 - 636 - xx xx xx is the output frequency, the unit is HZ. 637 - 638 - yy is the duty cycle of the output, the unit is %. 639 - 640 - zz zz is the time delay of the output, the unit is ms. 641 - 642 - 643 -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. 644 - 645 -The oscilloscope displays as follows: 646 - 647 -[[image:image-20230817173858-5.png||height="694" width="921"]] 648 - 649 - 650 650 === 2.3.3 Decode payload === 651 651 652 652 ... ... @@ -720,10 +720,6 @@ 720 720 (% 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.** 721 721 722 722 723 -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. 724 - 725 -[[image:image-20230811113449-1.png||height="370" width="608"]] 726 - 727 727 ==== 2.3.3.5 Digital Interrupt ==== 728 728 729 729 ... ... @@ -870,30 +870,9 @@ 870 870 [[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"]] 871 871 872 872 873 -==== 2.3.3.12 PWMMOD ====809 +==== 2.3.3.12 Working MOD ==== 874 874 875 875 876 -* ((( 877 -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. 878 -))) 879 -* ((( 880 -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: 881 -))) 882 - 883 - [[image:image-20230817183249-3.png||height="320" width="417"]] 884 - 885 -* ((( 886 -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. 887 -))) 888 -* ((( 889 -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. 890 - 891 - 892 -))) 893 - 894 -==== 2.3.3.13 Working MOD ==== 895 - 896 - 897 897 The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte). 898 898 899 899 User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod: ... ... @@ -909,7 +909,6 @@ 909 909 * 6: MOD7 910 910 * 7: MOD8 911 911 * 8: MOD9 912 -* 9: MOD10 913 913 914 914 == 2.4 Payload Decoder file == 915 915 ... ... @@ -1139,32 +1139,6 @@ 1139 1139 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1140 1140 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1141 1141 1142 -=== 3.3.8 PWM setting === 1143 - 1144 -Feature: Set the time acquisition unit for PWM input capture. 1145 - 1146 -(% style="color:blue" %)**AT Command: AT+PWMSET** 1147 - 1148 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 1149 -|=(% 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** 1150 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)((( 1151 -0(default) 1152 - 1153 -OK 1154 -))) 1155 -|(% 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" %)((( 1156 -OK 1157 - 1158 -))) 1159 -|(% 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 1160 - 1161 -(% style="color:blue" %)**Downlink Command: 0x0C** 1162 - 1163 -Format: Command Code (0x0C) followed by 1 bytes. 1164 - 1165 -* Example 1: Downlink Payload: 0C00 **~-~-->** AT+PWMSET=0 1166 -* Example 2: Downlink Payload: 0C01 **~-~-->** AT+PWMSET=1 1167 - 1168 1168 = 4. Battery & Power Consumption = 1169 1169 1170 1170 ... ... @@ -1187,8 +1187,8 @@ 1187 1187 1188 1188 **Methods to Update Firmware:** 1189 1189 1190 -* (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/]]**1191 -* 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]]**.1078 +* (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/]] 1079 +* 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]]**. 1192 1192 1193 1193 = 6. FAQ = 1194 1194 ... ... @@ -1198,22 +1198,6 @@ 1198 1198 * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].** 1199 1199 * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].** 1200 1200 1201 -== 6.2 How to generate PWM Output in SN50v3-LB? == 1202 - 1203 - 1204 -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]]**. 1205 - 1206 - 1207 -== 6.3 How to put several sensors to a SN50v3-LB? == 1208 - 1209 - 1210 -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. 1211 - 1212 -[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]]. 1213 - 1214 -[[image:image-20230810121434-1.png||height="242" width="656"]] 1215 - 1216 - 1217 1217 = 7. Order Info = 1218 1218 1219 1219
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