Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 79.1 >
edited by Mengting Qiu
on 2023/12/13 10:24
To version < 74.8 >
edited by Mengting Qiu
on 2023/12/11 20:00
>
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... ... @@ -629,37 +629,10 @@
629 629  
630 630  [[image:image-20230818092200-1.png||height="344" width="627"]]
631 631  
632 -===== 2.3.2.10.b  Uplink, PWM output =====
633 633  
634 -[[image:image-20230817172209-2.png||height="439" width="683"]]
633 +===== 2.3.2.10.b  Downlink, PWM output =====
635 635  
636 -(% 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+PWMOUT=a,b,c**
637 637  
638 -a is the time delay of the output, the unit is ms.
639 -
640 -b is the output frequency, the unit is HZ.
641 -
642 -c is the duty cycle of the output, the unit is %.
643 -
644 -(% 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" %)**Downlink**(%%):  (% style="color:#037691" %)**0B 01 bb cc aa **
645 -
646 -aa is the time delay of the output, the unit is ms.
647 -
648 -bb is the output frequency, the unit is HZ.
649 -
650 -cc is the duty cycle of the output, the unit is %.
651 -
652 -
653 -For example, send a AT command: AT+PWMOUT=65535,1000,50  The PWM is always out, the frequency is 1000HZ, and the duty cycle is 50.
654 -
655 -The oscilloscope displays as follows:
656 -
657 -[[image:image-20231213102404-1.jpeg||height="780" width="932"]]
658 -
659 -
660 -===== 2.3.2.10.c  Downlink, PWM output =====
661 -
662 -
663 663  [[image:image-20230817173800-3.png||height="412" width="685"]]
664 664  
665 665  Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
... ... @@ -920,13 +920,13 @@
920 920  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.
921 921  )))
922 922  * (((
923 -PWM Input allows low power consumption. PWM Output to achieve real-time control, you need to go to class C. Power consumption will not be low.
896 +PWM Input allows low power consumption. PWM Output to achieve real-time control, you need to go to Class C. Power consumption will not be low.
924 924  
925 925  For PWM Output Feature, there are two consideration to see if the device can be powered by battery or have to be powered by external DC.
926 926  
927 -a) If real-time control output is required, the SN50v3-LB is already operating in class C and an external power supply must be used.
900 +a) If needs to realtime control output, SN50v3-LB has be run in CLass C and have to use external power source.
928 928  
929 -b) If the output duration is more than 30 seconds, better to use external power source. 
902 +b) If the output duration is more than 30 seconds, bettert to use external power source. 
930 930  
931 931  
932 932  
... ... @@ -1180,26 +1180,25 @@
1180 1180  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1181 1181  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1182 1182  
1183 -(% id="H3.3.8PWMsetting" %)
1184 1184  === 3.3.8 PWM setting ===
1185 1185  
1186 1186  
1187 -(% class="mark" %)Feature: Set the time acquisition unit for PWM input capture.
1159 +Feature: Set the time acquisition unit for PWM input capture.
1188 1188  
1189 1189  (% style="color:blue" %)**AT Command: AT+PWMSET**
1190 1190  
1191 1191  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1192 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 223px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 130px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1193 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:223px" %)0|(% style="width:130px" %)(((
1164 +|=(% 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**
1165 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1194 1194  0(default)
1195 1195  
1196 1196  OK
1197 1197  )))
1198 -|(% style="width:154px" %)AT+PWMSET=0|(% style="width:223px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:130px" %)(((
1170 +|(% 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" %)(((
1199 1199  OK
1200 1200  
1201 1201  )))
1202 -|(% style="width:154px" %)AT+PWMSET=1|(% style="width:223px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:130px" %)OK
1174 +|(% 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
1203 1203  
1204 1204  (% style="color:blue" %)**Downlink Command: 0x0C**
1205 1205  
... ... @@ -1208,76 +1208,9 @@
1208 1208  * Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1209 1209  * Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1210 1210  
1183 += 4. Battery & Power Consumption =
1211 1211  
1212 -(% class="mark" %)Feature: Set PWM output time, output frequency and output duty cycle.
1213 1213  
1214 -(% style="color:blue" %)**AT Command: AT+PWMOUT**
1215 -
1216 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1217 -|=(% style="width: 183px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 193px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 137px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1218 -|(% style="width:183px" %)AT+PWMOUT=?|(% style="width:193px" %)0|(% style="width:137px" %)(((
1219 -0,0,0(default)
1220 -
1221 -OK
1222 -)))
1223 -|(% style="width:183px" %)AT+PWMOUT=0,0,0|(% style="width:193px" %)The default is PWM input detection|(% style="width:137px" %)(((
1224 -OK
1225 -
1226 -)))
1227 -|(% style="width:183px" %)AT+PWMOUT=5,1000,50|(% style="width:193px" %)(((
1228 -The PWM output time is 5ms, the output frequency is 1000HZ, and the output duty cycle is 50%.
1229 -
1230 -
1231 -)))|(% style="width:137px" %)(((
1232 -OK
1233 -)))
1234 -
1235 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1236 -|=(% style="width: 155px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 112px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 242px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**parameters**
1237 -|(% colspan="1" rowspan="3" style="width:155px" %)(((
1238 -AT+PWMOUT=a,b,c
1239 -
1240 -
1241 -)))|(% colspan="1" rowspan="3" style="width:112px" %)(((
1242 -Set PWM output time, output frequency and output duty cycle.
1243 -
1244 -(((
1245 -
1246 -)))
1247 -
1248 -(((
1249 -
1250 -)))
1251 -)))|(% style="width:242px" %)(((
1252 -a: Output time (unit: seconds)
1253 -
1254 -The value ranges from 0 to 65535.
1255 -
1256 -When a=65535, PWM will always output.
1257 -)))
1258 -|(% style="width:242px" %)(((
1259 -b: Output frequency (unit: HZ)
1260 -)))
1261 -|(% style="width:242px" %)(((
1262 -c: Output duty cycle (unit: %)
1263 -
1264 -The value ranges from 0 to 100.
1265 -)))
1266 -
1267 -(% style="color:blue" %)**Downlink Command: 0x0B01**
1268 -
1269 -Format: Command Code (0x0B01) followed by 6 bytes.
1270 -
1271 -Downlink payload：0B01 bb cc aa **~-~--> **AT+PWMOUT=a,b,c
1272 -
1273 -* Example 1: Downlink Payload: 0B01 03E8 0032 0005 **~-~-->**  AT+PWMSET=5,1000,50
1274 -* Example 2: Downlink Payload: 0B01 07D0 003C 000A **~-~-->**  AT+PWMSET=10,2000,60
1275 -
1276 -
1277 -
1278 -= 4. Battery & Power Cons =
1279 -
1280 -
1281 1281  SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1282 1282  
1283 1283  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
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