开关功能-Switch function

保护板硬件功能，当有弱电开关时，勾选此选项。没有此功能不得开启，如开启，则保护板放电开关会关闭，保护板没有输出

The BMS hardware function, check this option when there is a weak current switch. If this function is not enabled, the BMS discharge switch will be turned off.