MAX31912 Ultra-Low Power Translator/Serializer Maxim MAX31912 Ultra-Low Power Translator/Serializer is an industrial interface serializer that translates, conditions, and serializes the 24V digital output of sensors and switches. These are used in industrial, process, and building automation with 5V CMOS-compatible signals required by microcontrollers. These provide the front-end interface circuit of a programmable logic controller (PLC) digital input module.