readAttributeRmsVoltageSagPeriodPhaseB(completion:)
Declaration
func readAttributeRmsVoltageSagPeriodPhaseB(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsVoltageSagPeriodPhaseB() async throws -> NSNumberfunc readAttributeRmsVoltageSagPeriodPhaseB(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsVoltageSagPeriodPhaseB() async throws -> NSNumber