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Changes for page 5.2 Modbus protocol

Last modified by Admin on 2026/04/24 10:30
From version 11.2
edited by Admin
on 2025/02/04 10:24
Change comment: There is no comment for this version
To version 16.4
edited by Admin
on 2026/04/24 10:29
Change comment: Update document after refactoring.

Summary

Details

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Parent
... ... @@ -1,1 +1,1 @@
1 -Battery management systems.BMS Main 2\.1.5\. Communication protocols.WebHome
1 +Battery management systems.BMS Main 2\.1 (End-of-Life).5\. Communication protocols.WebHome
Content
... ... @@ -323,7 +323,7 @@
323 323  
324 324  bit 2 — device is ready;
325 325  
326 -bit 3 — data from the device is actual;
326 +bit 3 — reserved;
327 327  
328 328  bit 4 — temperature sensor #1 is present;
329 329  
... ... @@ -475,7 +475,7 @@
475 475  |(% style="width:92px" %)**0x2388-0x23FB**|(% style="width:94px" %) |(% style="width:368px" %)Records data #3-31 from the errors journal|(% style="width:96px" %)
476 476  |(% style="width:92px" %)**0x23FC-0x23FF**|(% style="width:94px" %)4|(% style="width:368px" %)Record data #32 from the errors journal|(% style="width:96px" %)U32[2]
477 477  |(% style="width:92px" %)**0x2400-0x2401**|(% style="width:94px" %)2|(% style="width:368px" %)Current measured by the auxiliary current sensor, A|(% style="width:96px" %)REAL32
478 -|(% style="width:92px" %)**0x2402-**|(% style="width:94px" %)2|(% style="width:368px" %)(((
478 +|(% style="width:92px" %)**0x2402-0x2403**|(% style="width:94px" %)2|(% style="width:368px" %)(((
479 479  Final battery current, A
480 480  
481 481  Note — Typically it is the sum of the values measured by the main and auxiliary current sensors
... ... @@ -497,12 +497,12 @@
497 497  
498 498  6 – Relaxed (after discharging).
499 499  )))|(% style="width:96px" %)U16
500 -|(% style="width:92px" %)**0x2411**|(% style="width:94px" %)2|(% style="width:368px" %)Duration of the battery state (0x2410), seconds|(% style="width:96px" %)U32
501 -|(% style="width:92px" %)**0x2420**|(% style="width:94px" %)2|(% style="width:368px" %)Nominal battery capacity, A×h|(% style="width:96px" %)REAL32
502 -|(% style="width:92px" %)**0x2422**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge voltage, V|(% style="width:96px" %)REAL32
503 -|(% style="width:92px" %)**0x2424**|(% style="width:94px" %)2|(% style="width:368px" %)Minimum discharge voltage, V|(% style="width:96px" %)REAL32
504 -|(% style="width:92px" %)**0x2426**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge current, A|(% style="width:96px" %)REAL32
505 -|(% style="width:92px" %)**0x2428**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum discharge current, A|(% style="width:96px" %)REAL32
500 +|(% style="width:92px" %)**0x2411-0x2412**|(% style="width:94px" %)2|(% style="width:368px" %)Duration of the battery state (0x2410), seconds|(% style="width:96px" %)U32
501 +|(% style="width:92px" %)**0x2420-0x2421**|(% style="width:94px" %)2|(% style="width:368px" %)Nominal battery capacity, A×h|(% style="width:96px" %)REAL32
502 +|(% style="width:92px" %)**0x2422-0x2423**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge voltage, V|(% style="width:96px" %)REAL32
503 +|(% style="width:92px" %)**0x2424-0x2425**|(% style="width:94px" %)2|(% style="width:368px" %)Minimum discharge voltage, V|(% style="width:96px" %)REAL32
504 +|(% style="width:92px" %)**0x2426-0x2427**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge current, A|(% style="width:96px" %)REAL32
505 +|(% style="width:92px" %)**0x2428-0x2429**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum discharge current, A|(% style="width:96px" %)REAL32
506 506  
507 507  === Holding registers ===
508 508  
... ... @@ -509,7 +509,7 @@
509 509  (% style="width:653px" %)
510 510  |(% style="width:92px" %)**Register address**|(% style="width:94px" %)**Number of registers**|(% style="width:368px" %)**Content**|(% style="width:96px" %)**Type**
511 511  |(% style="width:92px" %)**0x4000**|(% style="width:94px" %)1|(% style="width:368px" %)Address of the BMS Logic device whose parameters should be in the input registers 0x2011-0x20C9|(% style="width:96px" %)U16
512 -|(% style="width:92px" %)**0x4100**|(% style="width:94px" %)2|(% style="width:368px" %)(((
512 +|(% style="width:92px" %)**0x4100-0x4101**|(% style="width:94px" %)2|(% style="width:368px" %)(((
513 513  Command to acknowledge errors in the errors journal (bitfield). Each //i//^^th^^ bit corresponds to (//i//+1) record.
514 514  
515 515  Notes:
... ... @@ -680,3 +680,39 @@
680 680  
681 681  2-65535 – use the physical input "Fuse 3".
682 682  )))|(% style="width:96px" %)U16
683 +|(% style="width:92px" %)**0x5112**|(% style="width:94px" %)1|(% style="width:368px" %)(((
684 +Software control of the "Circuit breaker status" signal. Allowable values:
685 +
686 +0 – clear the signal;
687 +
688 +1 – set the signal;
689 +
690 +2-65535 – use the physical input "Circuit breaker status".
691 +)))|(% style="width:96px" %)U16
692 +|(% style="width:92px" %)**0x5113**|(% style="width:94px" %)1|(% style="width:368px" %)(((
693 +Software control of the "Balancing request" signal. Allowable values:
694 +
695 +0 – clear the signal;
696 +
697 +1 – set the signal;
698 +
699 +2-65535 – use the physical input "Balancing request".
700 +)))|(% style="width:96px" %)U16
701 +|(% style="width:92px" %)**0x5114**|(% style="width:94px" %)1|(% style="width:368px" %)(((
702 +Software control of the "Close Main contactor" signal. Allowable values:
703 +
704 +0 – clear the signal;
705 +
706 +1 – set the signal;
707 +
708 +2-65535 – use the physical input "Close Main contactor".
709 +)))|(% style="width:96px" %)U16
710 +|(% style="width:92px" %)**0x5115**|(% style="width:94px" %)1|(% style="width:368px" %)(((
711 +Software control of the "Close External 1" signal. Allowable values:
712 +
713 +0 – clear the signal;
714 +
715 +1 – set the signal;
716 +
717 +2-65535 – use the physical input "Close External 1".
718 +)))|(% style="width:96px" %)U16