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Changes for page 3.5 Battery control

Last modified by Admin on 2025/03/10 12:50
From version 7.1
edited by Admin
on 2024/11/21 17:54
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To version 8.1
edited by Admin
on 2024/11/21 17:55
Change comment: There is no comment for this version

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202 202  * Enable – a flag to enable the main contactor control;
203 203  * Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, second;
204 204  * Keep the contactor open until the device is reset – a flag for keeping the main contactor opened until the system be reset.
205 +
206 +== 3.5.6 Power down control ==
207 +
208 +The BMS Main 2.x can command the BMS Power Control board to shut down the battery system if the battery voltage is low or the battery is idle for a long time. The BMS Main 2.x interacts with the BMS Power Control using the “Power down request” and the “Acknowledgement of power down” discrete signals.
209 +
210 +Shutting down the battery system is performed according to the following conditions:
211 +
212 +* the battery voltage is below the minimum level;
213 +* the “Charger connected” signal is cleared for 60 seconds.
214 +
215 +The BMS Main 2.x also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the set time.
216 +
217 +To change the parameters of the power down control, select the menu "Cells → Power down control":
218 +
219 +[[Power down control section>>image:1732211675123-235.png||data-xwiki-image-style-alignment="center" height="198" width="402"]]
220 +
221 +
222 +In this section:
223 +
224 +* Enable – a flag to enable the power down control;
225 +* Minimum voltage – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
226 +* Idle time – a time of battery inactivity after which the battery is shut down, second;
227 +* Wait the "Power up/down request" signal is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.