Regulating step command (C_RC_NA_1, C_RC_TA_1).
Summary
Types
@type t() :: %IEC60870.IO.Control.StepCommand{ ioa: non_neg_integer(), qu: 0..31, select: boolean(), state: :invalid_0 | :lower | :higher | :invalid_3, timestamp: nil | IEC60870.Types.CPTime.CP56Time2a.t() }