Power Supply, Expansion, CompactLogix, 120/220 Volt AC, 85 - 265 Volt AC Input Range, 2 Amp @ 5 Volt DC, 1 Amp @ 24 Volt DC Output, 8 Watts, 25 AmpsEach 1769-L3x controller and additional bank of I/O modules requires a 1769 power supply. Place 1769 I/O modules to the left or right of the 1769 power supply. As many as eight I/O modules can be placed on each side of the power supply