Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -53,29 +53,17 @@ 53 53 54 54 Connection1 55 55 56 -((( 57 57 How to connect with Energy Meter： 58 -))) 59 59 60 -((( 61 61 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 62 -))) 63 63 64 -((( 65 65 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 66 -))) 67 67 68 -((( 69 69 Power Source VIN to RS485-LN VIN+ 70 -))) 71 71 72 -((( 73 73 Power Source GND to RS485-LN VIN- 74 -))) 75 75 76 -((( 77 77 Once there is power, the RS485-LN will be on. 78 -))) 79 79 80 80 [[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 81 81 ... ... @@ -138,7 +138,7 @@ 138 138 139 139 (% class="box infomessage" %) 140 140 ((( 141 - 129 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 142 142 ))) 143 143 144 144 a: length for the return of AT+COMMAND ... ... @@ -225,7 +225,7 @@ 225 225 226 226 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 227 227 228 -[[image:image -20220512104358-3.png]]216 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 229 229 230 230 ((( 231 231 DOWNLINK ... ... @@ -236,15 +236,12 @@ 236 236 ))) 237 237 238 238 ((( 239 - **Type Code 0xAF**227 +Type Code 0xAF 240 240 ))) 241 241 242 242 ((( 243 -(% class="box infomessage" %) 244 -((( 245 245 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 246 246 ))) 247 -))) 248 248 249 249 ((( 250 250 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -356,7 +356,7 @@ 356 356 ))) 357 357 358 358 ((( 359 - output: 344 + output:01 03 04 00 00 00 42 7A 02 360 360 ))) 361 361 362 362 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
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