_RL siobSperiod
& siobSrepCycle, siobSperiod, siobSstartTime,
I 'exf', 'siobS', siobSperiod,
IF(siobSperiod .EQ.UNSET_RL) siobSperiod =obcsSperiod
& siobSperiod, siobSrepCycle,
siobSperiod = UNSET_RL
I siobSstartTime, siobSperiod, siobSrepCycle,