Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -36,6 +36,7 @@ 36 36 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 37 37 38 38 39 + 39 39 == **1.2 Example 2: Connect to Pulse Counter** == 40 40 41 41 ... ... @@ -59,6 +59,8 @@ 59 59 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 60 60 61 61 63 + 64 + 62 62 == **1.3 Example3: Use RS485-LN with energy meters** == 63 63 64 64 ... ... @@ -110,12 +110,12 @@ 110 110 Connection2 111 111 112 112 116 + 113 113 [[image:image-20220527092555-7.png]] 114 114 115 115 Connection3 116 116 117 117 118 - 119 119 === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 120 120 121 121 ... ... @@ -162,7 +162,6 @@ 162 162 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 163 163 164 164 165 - 166 166 ==== **1.3.3.1 via AT COMMAND** ==== 167 167 168 168 ... ... @@ -218,7 +218,7 @@ 218 218 ((( 219 219 (% style="color:blue" %)**Example**: 220 220 221 - (% style="color:red" %)**CMD1:**(%%)Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1223 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 222 222 ))) 223 223 224 224 ((( ... ... @@ -232,7 +232,7 @@ 232 232 ))) 233 233 234 234 ((( 235 - (% style="color:red" %)**CMD2:**(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1237 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 236 236 ))) 237 237 238 238 ((( ... ... @@ -246,7 +246,7 @@ 246 246 ))) 247 247 248 248 ((( 249 - (% style="color:red" %)**CMD3:**(%%)Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1251 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 250 250 ))) 251 251 252 252 ((( ... ... @@ -274,7 +274,6 @@ 274 274 AT COMMAND 275 275 276 276 277 - 278 278 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 279 279 280 280 ... ... @@ -300,7 +300,7 @@ 300 300 ))) 301 301 302 302 ((( 303 -(% style="color:red" %) **Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**304 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 304 304 ))) 305 305 306 306 ((( ... ... @@ -374,7 +374,6 @@ 374 374 DOWNLINK 375 375 376 376 377 - 378 378 === **1.3.4 How to configure and output commands for RS485 to USB** === 379 379 380 380 ((( ... ... @@ -432,7 +432,6 @@ 432 432 USB 433 433 434 434 435 - 436 436 === **1.3.5 How to configure multiple devices and modify device addresses** === 437 437 438 438 ... ... @@ -463,7 +463,7 @@ 463 463 464 464 ((( 465 465 ((( 466 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%)to set the device address.465 +We can use **AT+CFGDEV** to set the device address. 467 467 ))) 468 468 ))) 469 469 ... ... @@ -507,7 +507,7 @@ 507 507 [[image:image-20220601142607-4.png]] 508 508 509 509 510 - (% style="color:blue" %)**PAYLOAD:509 +**PAYLOAD:01 08 DF 43 62** 511 511 512 512 * 08 DF is the valid value of the meter with device address 02. 513 513 * 43 62 is the valid value of the meter with device address 01.