Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -1,8 +6,3 @@ 1 -(% class="wikigeneratedid" %) 2 - **Contents:** 3 - 4 -{{toc/}} 5 - 6 6 = 1. Introduction = 7 7 8 8 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. ... ... @@ -58,29 +58,17 @@ 58 58 59 59 Connection1 60 60 61 -((( 62 62 How to connect with Energy Meter: 63 -))) 64 64 65 -((( 66 66 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. 67 -))) 68 68 69 -((( 70 70 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 71 -))) 72 72 73 -((( 74 74 Power Source VIN to RS485-LN VIN+ 75 -))) 76 76 77 -((( 78 78 Power Source GND to RS485-LN VIN- 79 -))) 80 80 81 -((( 82 82 Once there is power, the RS485-LN will be on. 83 -))) 84 84 85 85 [[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 86 86 ... ... @@ -143,7 +143,7 @@ 143 143 144 144 (% class="box infomessage" %) 145 145 ((( 146 - 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 147 147 ))) 148 148 149 149 a: length for the return of AT+COMMAND ... ... @@ -230,7 +230,7 @@ 230 230 231 231 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 232 232 233 -[[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"]] 234 234 235 235 ((( 236 236 DOWNLINK ... ... @@ -241,15 +241,12 @@ 241 241 ))) 242 242 243 243 ((( 244 - **Type Code 0xAF**227 +Type Code 0xAF 245 245 ))) 246 246 247 247 ((( 248 -(% class="box infomessage" %) 249 -((( 250 250 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 251 251 ))) 252 -))) 253 253 254 254 ((( 255 255 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -361,7 +361,7 @@ 361 361 ))) 362 362 363 363 ((( 364 - output :01 03 04 00 00 00 42 7A 02344 + output:01 03 04 00 00 00 42 7A 02 365 365 ))) 366 366 367 367 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
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