Home > Products > InterfacesLegacy Interfaces Ampac Single Input Output Device Single Input Output Device is designed to interface to a variety of plant control equipment. View Product Ampac Single Input Device Single Input Device has bi-directional isolation circuitry to provide protection against detection loop short circuits. View Product Ampac Three Input-Output Device The Ampac Three Input-Output Device is designed to interface to a variety of plant control equipment. View Product Ampac Three Input Device Three Input Device has 3 monitored switched inputs that can supervise one or more normally open contacts. View Product XP95 3 Channel Input/Output The XP95 3 Channel Input Output Unit has 3 voltage-free change-over relay outputs and 3 monitored switch inputs. View Product XP95 Mains Switching Input / Output The XP95 Mains Switching Input/Output Unit provides a single-pole change-over relay output and a monitored switch input. View Product XP95 Input Output Unit (Isolator) The XP95 Input/Output Unit provides a loop-powered relay, monitored input, and unmonitored opto-coupled input. View Product