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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... ... @@ -629,10 +629,17 @@ 629 629 630 630 [[image:image-20230818092200-1.png||height="344" width="627"]] 631 631 632 +===== 2.3.2.10.b Uplink, PWM input capture ===== 632 632 633 -===== 2.3.2.10.b Downlink, PWM output ===== 634 634 635 635 636 + 637 + 638 + 639 + 640 +===== 2.3.2.10.c Downlink, PWM output ===== 641 + 642 + 636 636 [[image:image-20230817173800-3.png||height="412" width="685"]] 637 637 638 638 Downlink: (% style="color:#037691" %)**0B xx xx xx yy zz zz** ... ... @@ -893,13 +893,13 @@ 893 893 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. 894 894 ))) 895 895 * ((( 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.903 +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. 897 897 898 898 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. 899 899 900 -a) If needs torealtime control output, SN50v3-LBhasbe run inCLass C andhaveto useexternal power source.907 +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. 901 901 902 -b) If the output duration is more than 30 seconds, better tto use external power source.909 +b) If the output duration is more than 30 seconds, better to use external power source. 903 903 904 904 905 905 ... ... @@ -1156,7 +1156,7 @@ 1156 1156 === 3.3.8 PWM setting === 1157 1157 1158 1158 1159 -Feature: Set the time acquisition unit for PWM input capture. 1166 +* Feature: Set the time acquisition unit for PWM input capture. 1160 1160 1161 1161 (% style="color:blue" %)**AT Command: AT+PWMSET** 1162 1162 ... ... @@ -1180,6 +1180,43 @@ 1180 1180 * Example 1: Downlink Payload: 0C00 **~-~-->** AT+PWMSET=0 1181 1181 * Example 2: Downlink Payload: 0C01 **~-~-->** AT+PWMSET=1 1182 1182 1190 +* Feature: Set the time acquisition unit for PWM input capture. 1191 + 1192 +(% style="color:blue" %)**AT Command: AT+PWMOUT** 1193 + 1194 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:580px" %) 1195 +|=(% 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** 1196 +|(% style="width:154px" %)AT+PWMOUT=?|(% style="width:196px" %)0|(% style="width:157px" %)((( 1197 +0,0,0(default) 1198 + 1199 +OK 1200 +))) 1201 +|(% style="width:154px" %)AT+PWMOUT=0,0,0|(% style="width:196px" %)The default is PWM input detection|(% style="width:157px" %)((( 1202 +OK 1203 + 1204 +))) 1205 +|(% style="width:154px" %)AT+PWMOUT=a,b,c|(% style="width:250px" %)((( 1206 +PWM output. 1207 + 1208 +a: Output time (unit: seconds) 1209 + 1210 +b: Output frequency (unit: HZ) 1211 + 1212 +c: Output duty cycle (unit: %) 1213 +)))|(% style="width:157px" %)((( 1214 +OK 1215 +))) 1216 + 1217 + 1218 +(% style="color:blue" %)**Downlink Command: 0x0C** 1219 + 1220 + 1221 +Format: Command Code (0x0C) followed by 1 bytes. 1222 + 1223 +* Example 1: Downlink Payload: 0C00 **~-~-->** AT+PWMSET=0 1224 +* Example 2: Downlink Payload: 0C01 **~-~-->** AT+PWMSET=1 1225 + 1226 + 1183 1183 = 4. Battery & Power Consumption = 1184 1184 1185 1185