Changes for page 5.2 Modbus protocol
Last modified by Admin on 2026/04/24 10:30
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... ... @@ -240,7 +240,11 @@ 240 240 241 241 bit 25 – “Power up”; 242 242 243 -bits 26-31 – reserved. 243 +bit 26 — signal “External 1”; 244 + 245 +bit 27 — signal “Heater (AUX)”; 246 + 247 +bits 28-31 — not used. 244 244 )))|(% style="width:96px" %)U32 245 245 |(% style="width:92px" %)**0x200B**|(% style="width:94px" %)1|(% style="width:368px" %)((( 246 246 Discrete output signals (bitfield): ... ... @@ -299,8 +299,12 @@ 299 299 300 300 bit 13 – “General error”; 301 301 302 -bit 14 -16— reserved (set to 0);306 +bit 14 — reserved (set to 0); 303 303 308 +bit 15 — reserved (set to 0); 309 + 310 +bit 16 — reserved (set to 0); 311 + 304 304 bit 17 — “Precharge error”; 305 305 306 306 bits 18-31 — not used. ... ... @@ -432,15 +432,15 @@ 432 432 |(% style="width:92px" %)**0x2181-0x2182**|(% style="width:94px" %)2|(% style="width:368px" %)Ethernet netmask|(% style="width:96px" %)U8[4] 433 433 |(% style="width:92px" %)**0x2183-0x2184**|(% style="width:94px" %)2|(% style="width:368px" %)Ethernet gateway|(% style="width:96px" %)U8[4] 434 434 |(% style="width:92px" %)**0x2185-0x2186**|(% style="width:94px" %)2|(% style="width:368px" %)Calibrated voltage in the reference line of the current sensor, V|(% style="width:96px" %)REAL32 435 -|(% style="width:92px" %)**0x218E**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage from the current sensor, V|(% style="width:96px" %)REAL32 436 -|(% style="width:92px" %)**0x2190**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage in the reference line of the current sensor, V|(% style="width:96px" %)REAL32 437 -|(% style="width:92px" %)**0x2192**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage from the auxiliary current sensor, V|(% style="width:96px" %)REAL32 438 -|(% style="width:92px" %)**0x2194**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage in the reference line of the auxiliary current sensor, V|(% style="width:96px" %)REAL32 439 -|(% style="width:92px" %)**0x219F**|(% style="width:94px" %)2|(% style="width:368px" %)Charge current limit, A|(% style="width:96px" %)REAL32 440 -|(% style="width:92px" %)**0x21A1**|(% style="width:94px" %)2|(% style="width:368px" %)Discharge current limit, A|(% style="width:96px" %)REAL32 443 +|(% style="width:92px" %)**0x218E-0x218F**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage from the current sensor, V|(% style="width:96px" %)REAL32 444 +|(% style="width:92px" %)**0x2190-0x2191**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage in the reference line of the current sensor, V|(% style="width:96px" %)REAL32 445 +|(% style="width:92px" %)**0x2192-0x2193**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage from the auxiliary current sensor, V|(% style="width:96px" %)REAL32 446 +|(% style="width:92px" %)**0x2194-0x2195**|(% style="width:94px" %)2|(% style="width:368px" %)Voltage in the reference line of the auxiliary current sensor, V|(% style="width:96px" %)REAL32 447 +|(% style="width:92px" %)**0x219F-0x21A0**|(% style="width:94px" %)2|(% style="width:368px" %)Charge current limit, A|(% style="width:96px" %)REAL32 448 +|(% style="width:92px" %)**0x21A1-0x21A2**|(% style="width:94px" %)2|(% style="width:368px" %)Discharge current limit, A|(% style="width:96px" %)REAL32 441 441 |(% style="width:92px" %)**0x21B8**|(% style="width:94px" %)1|(% style="width:368px" %)Flag indicating that the cells are balancing|(% style="width:96px" %)U16 442 -|(% style="width:92px" %)**0x21C6**|(% style="width:94px" %)2|(% style="width:368px" %)Calibrated voltage in the reference line of the auxiliary current sensor, V|(% style="width:96px" %)REAL32 443 -|(% style="width:92px" %)**0x21CA**|(% style="width:94px" %)2|(% style="width:368px" %)Average cell voltage, V|(% style="width:96px" %)REAL32 450 +|(% style="width:92px" %)**0x21C6-0x21C7**|(% style="width:94px" %)2|(% style="width:368px" %)Calibrated voltage in the reference line of the auxiliary current sensor, V|(% style="width:96px" %)REAL32 451 +|(% style="width:92px" %)**0x21CA-0x21CB**|(% style="width:94px" %)2|(% style="width:368px" %)Average cell voltage, V|(% style="width:96px" %)REAL32 444 444 |(% style="width:92px" %)**0x2200-0x2203**|(% style="width:94px" %)4|(% style="width:368px" %)((( 445 445 Record #1 from the errors journal. First 32-bit word contains a timestamp, second 32-bit word contains errors 1 flags (see 0x2007-0x2008). 446 446 ... ... @@ -459,15 +459,15 @@ 459 459 bits 26-31 — seconds. 460 460 )))|(% style="width:96px" %)U32[2] 461 461 |(% style="width:92px" %)**0x2204-0x2207**|(% style="width:94px" %)4|(% style="width:368px" %)Record #2 from the errors journal|(% style="width:96px" %)U32[2] 462 -|(% style="width:92px" %)**0x2208-0x227B**|(% style="width:94px" %) 470 +|(% style="width:92px" %)**0x2208-0x227B**|(% style="width:94px" %)116|(% style="width:368px" %)Records #3-31 from the errors journal|(% style="width:96px" %) 463 463 |(% style="width:92px" %)**0x227C-0x227F**|(% style="width:94px" %)4|(% style="width:368px" %)Record #32 from the errors journal|(% style="width:96px" %)U32[2] 464 464 |(% style="width:92px" %)**0x2300**|(% style="width:94px" %)1|(% style="width:368px" %)Number of the last record from the errors journal (1..32)|(% style="width:96px" %)U16 465 -|(% style="width:92px" %)**0x2380**|(% style="width:94px" %)4|(% style="width:368px" %)Record data #1 from the errors journal. First 32-bit word contains errors 2 flags (see 0x200E-0x200F).|(% style="width:96px" %)U32[2] 473 +|(% style="width:92px" %)**0x2380-0x2383**|(% style="width:94px" %)4|(% style="width:368px" %)Record data #1 from the errors journal. First 32-bit word contains errors 2 flags (see 0x200E-0x200F).|(% style="width:96px" %)U32[2] 466 466 |(% style="width:92px" %)**0x2384-0x2387**|(% style="width:94px" %)4|(% style="width:368px" %)Record data #2 from the errors journal|(% style="width:96px" %)U32[2] 467 -|(% style="width:92px" %)**0x2388-0x23FB**|(% style="width:94px" %) 475 +|(% style="width:92px" %)**0x2388-0x23FB**|(% style="width:94px" %)116|(% style="width:368px" %)Records data #3-31 from the errors journal|(% style="width:96px" %) 468 468 |(% style="width:92px" %)**0x23FC-0x23FF**|(% style="width:94px" %)4|(% style="width:368px" %)Record data #32 from the errors journal|(% style="width:96px" %)U32[2] 469 -|(% style="width:92px" %)**0x2400**|(% style="width:94px" %)2|(% style="width:368px" %)Current measured by the auxiliary current sensor, A|(% style="width:96px" %)REAL32 470 -|(% style="width:92px" %)**0x2402**|(% style="width:94px" %)2|(% style="width:368px" %)((( 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" %)**0x2402-0x2403**|(% style="width:94px" %)2|(% style="width:368px" %)((( 471 471 Final battery current, A 472 472 473 473 Note — Typically it is the sum of the values measured by the main and auxiliary current sensors ... ... @@ -489,12 +489,12 @@ 489 489 490 490 6 – Relaxed (after discharging). 491 491 )))|(% style="width:96px" %)U16 492 -|(% style="width:92px" %)**0x2411**|(% style="width:94px" %)2|(% style="width:368px" %)Duration of the battery state (0x2410), seconds|(% style="width:96px" %)U32 493 -|(% style="width:92px" %)**0x2420**|(% style="width:94px" %)2|(% style="width:368px" %)Nominal battery capacity, A×h|(% style="width:96px" %)REAL32 494 -|(% style="width:92px" %)**0x2422**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge voltage, V|(% style="width:96px" %)REAL32 495 -|(% style="width:92px" %)**0x2424**|(% style="width:94px" %)2|(% style="width:368px" %)Minimum discharge voltage, V|(% style="width:96px" %)REAL32 496 -|(% style="width:92px" %)**0x2426**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum charge current, A|(% style="width:96px" %)REAL32 497 -|(% 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 498 498 499 499 === Holding registers === 500 500 ... ... @@ -501,7 +501,7 @@ 501 501 (% style="width:653px" %) 502 502 |(% style="width:92px" %)**Register address**|(% style="width:94px" %)**Number of registers**|(% style="width:368px" %)**Content**|(% style="width:96px" %)**Type** 503 503 |(% 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 504 -|(% style="width:92px" %)**0x4100**|(% style="width:94px" %)2|(% style="width:368px" %)((( 512 +|(% style="width:92px" %)**0x4100-0x4101**|(% style="width:94px" %)2|(% style="width:368px" %)((( 505 505 Command to acknowledge errors in the errors journal (bitfield). Each //i//^^th^^ bit corresponds to (//i//+1) record. 506 506 507 507 Notes: