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Changes for page 5.2 Modbus protocol

Last modified by Admin on 2026/04/24 10:30
From version 3.2
edited by Admin
on 2024/11/29 11:25
Change comment: Update document after refactoring.
To version 2.1
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on 2024/11/29 11:22
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Page properties
Title
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1 -4.2 Modbus protocol
1 +5. Modbus protocol
Parent
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1 -drafts.bms-main-2.protocols.WebHome
1 +drafts.bms-main-2.WebHome
Content
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1 -== 4.2.1 General information ==
1 +== 5.1 General information ==
2 2  
3 3  The BMS Main 2.x device provides the information about the battery system using Modbus protocol. The BMS is a Modbus-server and it responds to the Modbus-client’s commands.
4 4  
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28 28  
29 29  Words are in the **little endian**.
30 30  
31 -== 4.2.2 Input registers ==
31 +== 5.2 Input registers ==
32 32  
33 33  |(% style="width:137px" %)**Register address**|(% style="width:139px" %)**Number of registers**|(% style="width:805px" %)**Content**|(% style="width:124px" %)**Type**
34 34  |(% style="width:137px" %)**0x0000**|(% style="width:139px" %)1|(% style="width:805px" %)(((
... ... @@ -479,7 +479,7 @@
479 479  |(% style="width:137px" %)**0x2426**|(% style="width:139px" %)2|(% style="width:805px" %)Maximum charge current, A|(% style="width:124px" %)REAL32
480 480  |(% style="width:137px" %)**0x2428**|(% style="width:139px" %)2|(% style="width:805px" %)Maximum discharge current, A|(% style="width:124px" %)REAL32
481 481  
482 -== 4.2.3 Holding registers ==
482 +== 5.3 Holding registers ==
483 483  
484 484  |(% style="width:158px" %)**Register address**|(% style="width:155px" %)**Number of registers**|(% style="width:999px" %)**Content**|(% style="width:146px" %)**Type**
485 485  |(% style="width:158px" %)**0x4000**|(% style="width:155px" %)1|(% style="width:999px" %)Address of the BMS Logic device whose parameters should be in the input registers 0x2011-0x20C9|(% style="width:146px" %)U16