FBS-24XYR-AC Category: DIO Expansion Unit Description Description FBs-24XYR (Previously Named FBs-24EA) 14 points 24VDC digital input. 10 points relay or transistor digital input. Sink (NPN) or Source (PNP) type transistor I/O (Model “T” only). Related products FBS-60XYR-AC Read more FBS-40XYR-AC Read more