The PLC 1772-LW is a Mini-PLC-2/17 processor that does not have a power supply. It has a memory size of 7.75K, 16-bit words, RAM and a data table size that ranges from 48 to 7808 floating words. It can support up to 512 total I/O and 512 analog I/O. Program scans of this processor are a minimum of 7.5 milliseconds/K and 12 milliseconds for the typical application program. I/O scans are 0.82 milliseconds for 2-slot addressing, 2 milliseconds for 1-slot addressing, and 2.15 milliseconds for 1/2-slot addressing. The 1772-LW processor requires a backplane current of 1.25 A.
This processor can be installed to the leftmost slot of any 1771 I/O chassis and has a 15-pin interface port, as well as status indicators. It has an operating temperature of 0 to 60 degrees Celsius, a storage temperature of -40 to 85 degrees Celsius, and comes with a non-condensing relative humidity of 5% to 95%. The 1772-LW processor is conformally coated and uses a 1771-WN wiring arm. It has a total measurement of 4.5 x 12.4 x 6.3 inches and weighs 0.3 pounds or 0.1 kg.
