Kan benyttes alene eller sammen med op til 3 stk. REL8OPT8E-PCI, der tilsammen giver 32 relæudgange og 32 optoisolerede indgange. Bemærk at REL8OPT8E-PCI ikke kan benyttes alene. Det fungerer kun sammen med REL8OPT8PCI, da det kræver nogle kontrolsignaler via et fladkabel, der er direkte forbundet mellem disse.
REL8OPT8PCI (ADLINK's PCI-7250) provide 4-CH SPDT (Form C) & 4-CH SPST (Form A) relay outputs and 8-CH isolated digital inputs. The status of each relay output is represented by an onboard LED. When the relay is in SET condition, its corresponding LED will turn ON, and on the contrary, it is OFF. All digital input channels are nonpolarity, optically isolated, and may be set to use RC filter or not. The devices are suitable for collecting digital inputs in noisy environments.