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Last modified by Kilight Cao on 2025/07/14 15:15
From version 56.1
edited by Xiaoye
on 2023/11/11 10:55
Change comment: Uploaded new attachment "image-20231111105548-4.png", version {1}
To version 57.1
edited by Xiaoye
on 2023/11/11 11:23
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16 16  
17 17  = 1. Introduction =
18 18  
19 -== 1.1 What is MS48-LR ==
19 +== **What is MS48-LR** ==
20 20  
21 21  (((
22 22  (((
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37 37  
38 38  (((
39 39  MS48-LR supports (% style="color:blue" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
40 +
41 +
42 +
43 +== **How does it work?** ==
44 +
45 +The MS48-LR can run as a Modbus RS485-RTU slave, which writes the data from the LoRaWAN sensor uplink data into the registers of the 03 function code
46 +
47 +[[image:image-20231111103753-1.png||height="585" width="1031"]]
40 40  )))
41 41  
42 42  == 1.2 Specifications ==
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248 248  The gateway can as a Modbus RTU slave to run, the user can set a range of the register to write a sensor node uplink data.
249 249  
250 250  
251 -
252 252  For example, there is a sensor node EUI is 70b3d57ed0051e22, the register start is 0xABCD and the register length is 14, which means the uplink data will be written to the register starting at 0xABCD register and the maximum write length not to exceed 14 registers.
253 253  
254 254  So the sensor node 70b3d57ed0051e22 uplink data will be written to the 0xABCD - 0xABE1 register.
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273 273  [[image:image-20231110175420-12.png||height="504" width="1161"]]
274 274  
275 275  
283 +After the sensor node is active at the built-in server Chirpstack, the user can add it to this page and enable the Modbus RS485-RTU Slave.
276 276  
285 +Then MS48-LR will write the uplink data to the 03 code register and record the uplink data.
277 277  
278 278  
288 +**PLC read the MS48-LR register: **
289 +
290 +[[image:image-20231111105300-3.png]]
291 +
292 +
293 +**History Data:**
294 +
295 +[[image:image-20231111105548-4.png||height="849" width="1173"]]
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301 +
279 279  = 3. Web Configure Pages =
280 280  
281 281  == 3.1 Home ==