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Changes for page 6.2 Modbus protocol

Last modified by Admin on 2025/02/04 10:14
From version 1.2
edited by Admin
on 2024/12/16 11:30
Change comment: Update document after refactoring.
To version 3.1
edited by Admin
on 2024/12/17 08:39
Change comment: There is no comment for this version

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... ... @@ -70,21 +70,21 @@
70 70  |(% style="width:92px" %)**0x2000**|(% style="width:94px" %)1|(% style="width:368px" %)(((
71 71  Discrete input signals 1 (bitfield):
72 72  
73 -bit 0 — "Battery cover";
73 +bit 0 – “Battery cover”;
74 74  
75 -bit 1 — "Charger connected";
75 +bit 1 – “Charger connected”;
76 76  
77 -bit 2 — "Power up/down request";
77 +bit 2 – “Power up/down request”;
78 78  
79 -bit 3 — "Inhibit charging";
79 +bit 3 – “Inhibit charging”;
80 80  
81 -bit 4 — "Inhibit discharging";
81 +bit 4 – “Inhibit discharging”;
82 82  
83 -bit 5 — “Charging contactor feedback”;
83 +bit 5 – reserved (set to 0);
84 84  
85 -bit 6 — “Discharging contactor feedback”;
85 +bit 6 – reserved (set to 0);
86 86  
87 -bit 7 — “Insulation status”;
87 +bit 7 – “Insulation status”;
88 88  
89 89  bit 8 – “Charge request”;
90 90  
... ... @@ -92,11 +92,11 @@
92 92  
93 93  bit 10 – “Discharge request”;
94 94  
95 -bit 11 – “PCH contactor feedback”;
95 +bit 11 – reserved (set to 0);
96 96  
97 -bit 12 – “CH/DCH contactor feedback”;
97 +bit 12 – reserved (set to 0);
98 98  
99 -bit 13 – “Main contactor feedback”;
99 +bit 13 – reserved (set to 0);
100 100  
101 101  bit 14 – “Interlock”;
102 102  
... ... @@ -119,19 +119,19 @@
119 119  
120 120  bit 5 – “Battery cover”;
121 121  
122 -bit 6 – “High humidity”;
122 +bit 6 – reserved (set to 0);
123 123  
124 -bit 7 – “Water”;
124 +bit 7 – reserved (set to 0);
125 125  
126 -bit 8 – “High logic temperature”, some BMS Logic device is overheated;
126 +bit 8 – reserved (set to 0);
127 127  
128 -bit 9 – “Logic offline”, connection with some BMS Logic device is lost;
128 +bit 9 – “Cell monitor offline”, connection with the cell monitor is lost;
129 129  
130 130  bit 10 – “Critical error”;
131 131  
132 132  bit 11 – “Crown error”, connection with the Crown forklift is lost;
133 133  
134 -bit 12 – “Cell count error”, number of cells in incorrect;
134 +bit 12 – “Cell count error”, number of cells is incorrect;
135 135  
136 136  bit 13 – “HYG offline”, connection with the HYG forklift is lost;
137 137  
... ... @@ -143,9 +143,9 @@
143 143  
144 144  bit 17 – “High contactor temperature”, the discharging contactor is overheated;
145 145  
146 -bit 18 – “Logic count error”, number of BMS Logic devices is incorrect;
146 +bit 18 – reserved (set to 0);
147 147  
148 -bit 19 – “ADC error”, battery current cannot be measured by ADC;
148 +bit 19 – “ADC error”, battery current cannot be measured by the ADC;
149 149  
150 150  bit 20 – “Current sensor error”, wires which connect the current sensor with the BMS are damaged;
151 151  
... ... @@ -157,7 +157,7 @@
157 157  
158 158  bit 24 – “Shunt error”, internal error of the BMS Current sensor;
159 159  
160 -bit 25 – “Settings error”, checksum of the settings is incorrect;
160 +bit 25 – reserved (set to 0);
161 161  
162 162  bit 26 – “WDT reset”, device is reset by the watchdog timer;
163 163  
... ... @@ -172,47 +172,47 @@
172 172  |(% style="width:92px" %)**0x2009-0x200A**|(% style="width:94px" %)2|(% style="width:368px" %)(((
173 173  Internal signals (bitfield):
174 174  
175 -bit 0 — "Low SOC";
175 +bit 0 – “Low SOC”;
176 176  
177 -bit 1 — "High charging current";
177 +bit 1 – “High charging current”;
178 178  
179 -bit 2 — “Charging” (0 – open, 1 – closed);
179 +bit 2 – “Charging” (0 – open, 1 – closed);
180 180  
181 -bit 3 — "Allow charging" (0 – open, 1 – closed);
181 +bit 3 – “Allow charging” (0 – open, 1 – closed);
182 182  
183 -bit 4 — "Charging current present";
183 +bit 4 – “Charging current present”;
184 184  
185 -bit 5 — “Discharging” (0 – open, 1 – closed);
185 +bit 5 – “Discharging” (0 – open, 1 – closed);
186 186  
187 -bit 6 — "Discharging current present";
187 +bit 6 – “Discharging current present”;
188 188  
189 -bit 7 — "Increased voltage" (EV);
189 +bit 7 – “Voltage too high” (EV);
190 190  
191 -bit 8 — "Heater" (0 – off, 1 – on);
191 +bit 8 – “Heater” (0 – off, 1 – on);
192 192  
193 -bit 9 — "Cooler" (0 – off, 1 – on);
193 +bit 9 – “Cooler” (0 – off, 1 – on);
194 194  
195 -bit 10 — “HYG shutdown”, command from the HYG forklift to open the discharging contactor;
195 +bit 10 – “HYG shutdown”, command from the HYG forklift to open the discharging contactor;
196 196  
197 -bit 11 — “Init”, initialization signal (during the initialization current sensor is calibrating and BMS Logic devices are scanning);
197 +bit 11 – “Init”, initialization signal (during the initialization current sensor is calibrating and BMS Logic devices are scanning);
198 198  
199 -bit 12 — “Precharging” (0 – open, 1 – closed);
199 +bit 12 – “Precharging” (0 – open, 1 – closed);
200 200  
201 -bit 13 — “Combilift shutdown”, command from the Combilift forklift to open the discharging contactor;
201 +bit 13 – “Combilift shutdown”, command from the Combilift forklift to open the discharging contactor;
202 202  
203 -bit 14 — “Cell analysis”, signal of started analysis of the cells;
203 +bit 14 – “Cell analysis”, signal of started analysis of the cells;
204 204  
205 -bit 15 — “Balancing series 1”;
205 +bit 15 – reserved (set to 0);
206 206  
207 -bit 16 — “Balancing series 2”;
207 +bit 16 – reserved (set to 0);
208 208  
209 -bit 17 — “Discharging (AUX)” (0 – open, 1 – closed);
209 +bit 17 – “Discharging (AUX)” (0 – open, 1 – closed);
210 210  
211 -bit 18 — “Acknowledgement of power down”;
211 +bit 18 – “Acknowledgement of power down”;
212 212  
213 -bit 19 — “Crown EWS”;
213 +bit 19 – “Crown EWS”;
214 214  
215 -bit 20 — “Main contactor” (0 – open, 1 - closed);
215 +bit 20 – “Main contactor” (0 – open, 1 – closed);
216 216  
217 217  bit 21 – “Service reset”;
218 218  
... ... @@ -224,7 +224,9 @@
224 224  
225 225  bit 25 – “Power up”;
226 226  
227 -bits 26-31 – reserved.
227 +bit 26 – “External 1”;
228 +
229 +bits 27–31 – reserved.
228 228  )))|(% style="width:96px" %)U32
229 229  |(% style="width:92px" %)**0x200B**|(% style="width:94px" %)1|(% style="width:368px" %)(((
230 230  Discrete output signals (bitfield):
... ... @@ -255,7 +255,7 @@
255 255  |(% style="width:92px" %)**0x200E**|(% style="width:94px" %)2|(% style="width:368px" %)(((
256 256  Errors 2 (bitfield):
257 257  
258 -bit 0 – "Low CH temperature", temperature is too low for charging;
260 +bit 0 – “Low CH temperature”, temperature is too low for charging;
259 259  
260 260  bit 1 – “High CH temperature”, temperature is too high for charging;
261 261  
... ... @@ -267,23 +267,35 @@
267 267  
268 268  bit 5 – “Stuck contactor”;
269 269  
270 -bit 6 – “CH contactor feedback error”;
272 +bit 6 – reserved (set to 0);
271 271  
272 -bit 7 – “DCH contactor feedback error”;
274 +bit 7 – reserved (set to 0);
273 273  
274 274  bit 8 – “Insulation fault”;
275 275  
276 -bit 9 – “PCH contactor feedback error”;
278 +bit 9 – reserved (set to 0);
277 277  
278 -bit 10 – “CH/DCH contactor feedback error”;
280 +bit 10 – reserved (set to 0);
279 279  
280 -bit 11 – “Main contactor feedback error”;
282 +bit 11 – reserved (set to 0);
281 281  
282 -bit 12 – reserved (set to 0);
284 +bit 12 – "Contactor feedback error";
283 283  
284 284  bit 13 – “General error”;
285 285  
286 -bits 14-31 — reserved.
288 +bit 14 – reserved (set to 0);
289 +
290 +bit 15 – reserved (set to 0);
291 +
292 +bit 16 – reserved (set to 0);
293 +
294 +bit 17 – "Precharge error";
295 +
296 +bit 18 – reserved (set to 0);
297 +
298 +bit 19 – "Current limit error";
299 +
300 +bits 20-31 — reserved.
287 287  )))|(% style="width:96px" %)U32
288 288  |(% style="width:92px" %)**0x2011**|(% style="width:94px" %)1|(% style="width:368px" %)(((
289 289  State of the cell monitor (bitfield):
... ... @@ -306,14 +306,14 @@
306 306  
307 307  bits 8-15 — reserved.
308 308  )))|(% style="width:96px" %)U16
309 -|(% style="width:92px" %)**0x2012-0x2013**|(% style="width:94px" %)2|(% style="width:368px" %)Temperature of the BMS Board, °C|(% style="width:96px" %)REAL32
323 +|(% style="width:92px" %)**0x2012-0x2013**|(% style="width:94px" %)2|(% style="width:368px" %)Temperature of the device, °C|(% style="width:96px" %)REAL32
310 310  |(% style="width:92px" %)**0x2014-0x2015**|(% style="width:94px" %)2|(% style="width:368px" %)(((
311 311  Cell balancing flags (bitfield):
312 312  
313 -bit i — balancing resistor is connected to the i^^th^^ cell.
327 +bit i — balancing resistor is connected to the (i+1)^^th^^ cell.
314 314  )))|(% style="width:96px" %)U32
315 315  |(% style="width:92px" %)**0x2016-0x2029**|(% style="width:94px" %)20|(% style="width:368px" %)(((
316 -Array of cells states. Each element of the array corresponds to a cell and is a bitfield:
330 +Array of cell states. Each element of the array corresponds to a cell and is a bitfield:
317 317  
318 318  bit 0 — cell is present;
319 319  
... ... @@ -327,12 +327,14 @@
327 327  
328 328  bit 5 — wires are connected to the cell;
329 329  
330 -bits 6-15 — reserved.
344 +bit 6 — the cell is balancing;
345 +
346 +bits 7-15 — reserved.
331 331  )))|(% style="width:96px" %)U16[20]
332 -|(% style="width:92px" %)**0x202A-0x2051**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cells voltages (V)|(% style="width:96px" %)REAL32[20]
333 -|(% style="width:92px" %)**0x2052-0x2079**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cells temperatures (°C)|(% style="width:96px" %)REAL32[20]
334 -|(% style="width:92px" %)**0x207A-0x20A1**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cells SOCs ~(%)|(% style="width:96px" %)REAL32[20]
335 -|(% style="width:92px" %)**0x20A2-0x20C9**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cells resistances (Ohm)|(% style="width:96px" %)REAL32[20]
348 +|(% style="width:92px" %)**0x202A-0x2051**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cell voltages (V)|(% style="width:96px" %)REAL32[20]
349 +|(% style="width:92px" %)**0x2052-0x2079**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cell temperatures (°C)|(% style="width:96px" %)REAL32[20]
350 +|(% style="width:92px" %)**0x207A-0x20A1**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cell SOCs ~(%)|(% style="width:96px" %)REAL32[20]
351 +|(% style="width:92px" %)**0x20A2-0x20C9**|(% style="width:94px" %)40|(% style="width:368px" %)Array of cell resistances (Ohm)|(% style="width:96px" %)REAL32[20]
336 336  |(% style="width:92px" %)**0x20C9**|(% style="width:94px" %)1|(% style="width:368px" %)Number of cells connected|(% style="width:96px" %)U16
337 337  |(% style="width:92px" %)**0x20F4**|(% style="width:94px" %)1|(% style="width:368px" %)(((
338 338  Discrete input signals 2 (bitfield):
... ... @@ -343,10 +343,15 @@
343 343  
344 344  bit 2 – “Circuit breaker status”;
345 345  
346 -bits 3-15 – reserved.
362 +bit 3 – "Balancing request";
363 +
364 +bit 4 – "Close Main contactor";
365 +
366 +bit 5 – "Close External 1";
367 +
368 +bits 6-15 – reserved.
347 347  )))|(% style="width:96px" %)U16
348 348  |(% style="width:92px" %)**0x2100-0x2101**|(% style="width:94px" %)2|(% style="width:368px" %)Battery state of charge (SOC), %|(% style="width:96px" %)REAL32
349 -|(% style="width:92px" %)**0x2102**|(% style="width:94px" %)1|(% style="width:368px" %)Number of BMS Logic devices|(% style="width:96px" %)U16
350 350  |(% style="width:92px" %)**0x2103**|(% style="width:94px" %)1|(% style="width:368px" %)Number of cells|(% style="width:96px" %)U16
351 351  |(% style="width:92px" %)**0x2104-0x2105**|(% style="width:94px" %)2|(% style="width:368px" %)Battery voltage, V|(% style="width:96px" %)REAL32
352 352  |(% style="width:92px" %)**0x2106-0x2107**|(% style="width:94px" %)2|(% style="width:368px" %)Battery resistance, Ohm|(% style="width:96px" %)REAL32
... ... @@ -355,7 +355,6 @@
355 355  |(% style="width:92px" %)**0x210C-0x210D**|(% style="width:94px" %)2|(% style="width:368px" %)State of health, %|(% style="width:96px" %)REAL32
356 356  |(% style="width:92px" %)**0x210E-0x210F**|(% style="width:94px" %)2|(% style="width:368px" %)Depth of discharge, A×h|(% style="width:96px" %)REAL32
357 357  |(% style="width:92px" %)**0x2118-0x2119**|(% style="width:94px" %)2|(% style="width:368px" %)Minimum cell temperature|(% style="width:96px" %)REAL32
358 -|(% style="width:92px" %)**0x211A**|(% style="width:94px" %)1|(% style="width:368px" %)Address of the BMS Logic device which is connected to the cell whose temperature is minimal|(% style="width:96px" %)U16
359 359  |(% style="width:92px" %)**0x211B**|(% style="width:94px" %)1|(% style="width:368px" %)Position of the cell whose temperature is minimal|(% style="width:96px" %)U16
360 360  |(% style="width:92px" %)**0x211C-0x211D**|(% style="width:94px" %)2|(% style="width:368px" %)Maximum cell temperature|(% style="width:96px" %)REAL32
361 361  |(% style="width:92px" %)**0x211F**|(% style="width:94px" %)1|(% style="width:368px" %)Position of the cell whose temperature is maximal|(% style="width:96px" %)U16
... ... @@ -374,13 +374,23 @@
374 374  |(% style="width:92px" %)**0x2132-0x2133**|(% style="width:94px" %)2|(% style="width:368px" %)Energy consumed by the load, W×h|(% style="width:96px" %)REAL32
375 375  |(% style="width:92px" %)**0x2134-0x2135**|(% style="width:94px" %)2|(% style="width:368px" %)Energy dissipated by the balancing resistors, W×h|(% style="width:96px" %)REAL32
376 376  |(% style="width:92px" %)**0x2170**|(% style="width:94px" %)1|(% style="width:368px" %)(((
377 -Wi-Fi connection status:
397 +Battery state:
378 378  
379 -0 — no connection;
399 +0 – Unknown;
380 380  
381 -1 — connection is established.
401 +1 – Charging ON;
402 +
403 +2 – Charging OFF;
404 +
405 +3 – Relaxed (after charging);
406 +
407 +4 – Discharging ON;
408 +
409 +5 – Discharging OFF;
410 +
411 +6 – Relaxed (after discharging).
382 382  )))|(% style="width:96px" %)U16
383 -|(% style="width:92px" %)**0x2171-0x2172**|(% style="width:94px" %)2|(% style="width:368px" %)IP-address in the Wi-Fi network|(% style="width:96px" %)U8[4]
413 +|(% style="width:92px" %)**0x2171-0x2172**|(% style="width:94px" %)2|(% style="width:368px" %)Duration of the battery state (0x2170), seconds|(% style="width:96px" %)U32
384 384  |(% style="width:92px" %)**0x217B-0x217C**|(% style="width:94px" %)2|(% style="width:368px" %)Coulomb received from the charger, A×h|(% style="width:96px" %)REAL32
385 385  |(% style="width:92px" %)**0x217D-0x217E**|(% style="width:94px" %)2|(% style="width:368px" %)Coulomb consumed by the load, A×h|(% style="width:96px" %)REAL32
386 386  |(% style="width:92px" %)**0x21B8**|(% style="width:94px" %)1|(% style="width:368px" %)Flag indicating that the cells are balancing|(% style="width:96px" %)U16
... ... @@ -424,7 +424,7 @@
424 424  2-65535 – use the physical input "Charger connected".
425 425  )))|(% style="width:96px" %)U16
426 426  |(% style="width:92px" %)**0x5102**|(% style="width:94px" %)1|(% style="width:368px" %)(((
427 -Software control of the "Power down request" signal. Allowable values:
457 +Software control of the "Power up/down request" signal. Allowable values:
428 428  
429 429  0 – clear the signal;
430 430