8-ch digital input IC with integrated 500VRMS isolation, VBB monitoring for usage in industrial automation. ISOFACE™ ISO1I811T is a highly integrated system solution for IEC 61131-2 compliant digital inputs in industrial automation with diagnostic feedback of VBB faults. Its 8 channels offer configurable sensor level detection for Type 1, 2 and 3 sensors and precisely regulate the sensor current to reduce power dissipation effectively. The sensor data captured by the IC is reliably transferred to the µC domain via integrated galvanic isolation.