The Allen-Bradley 1771-IH digital DC input module is designed to handle eight inputs within an input voltage range of 24 to 50V DC, suited for 10-60V DC sinking operations. It features nominal input currents of 8.4 mA at 24V DC and 20 mA at 48V DC, while offering a maximum on-state voltage of 10V DC and a maximum off-state voltage of 4.5V DC, with low input signal delays of 15 ms. Equipped with eight red status indicators, this rack-mountable module also includes a 1771-WD wiring arm, operates with a backplane current of 74 mA at 5V DC, and provides an impressive isolation voltage of 1500V AC RMS, ensuring reliable performance in environments with operating temperatures between 0 and 60 degrees.
