The 1747-L30B Fixed Hardware Controller, part of the Allen-Bradley PLC SLC 500 Series, is a versatile and high-performance solution designed for industrial automation needs. It operates efficiently with an on-state voltage range of 85-132V AC and a nominal input current of 12mA, featuring an I/O configuration of 18 inputs and 12 AC Triac outputs. This unit supports up to 64 I/O points through expansion and is equipped with a capacitor-backed RAM with optional EEPROM and UVPROM memory backup. With a robust operating range of 85-265V AC at 47-63 Hz, a maximum inrush rating of 30 Amperes, and adherence to ICS 2-230 NEMA standards for noise reduction, the 1747-L30B is engineered to perform reliably in demanding environments, boasting a typical scan time of 8 milliseconds per 1K instructions and a program memory of 1K instruction capacity.