... /PT.AJ55TB32-4DT INPUT 2 PTS, DC24V / OUTPUT 2 PTS, TRAN.(SINK) DC24V 0.5A/PT.AJ55TB32-8DT INPUT 4 PTS ... , DC24V / OUTPUT 4 PTS, TRAN.(SINK) DC24V 0.5A/PT.AJ55TB32-16DT INPUT 8 PTS ... , DC24V / OUTPUT 8 PTS, TRAN.(SINK) DC24V 0.5A/PT.AJ55TB32-4DR INPUT 2 PTS ...