AB | 1771-IM | AC Digital Input Module - 220 Vac

Product Description:

The Allen-Bradley 1771-IM is a digital AC/DC input module. Eight inputs are available with this module and it has been designed for use with selector switches, pushbutton switches, AC limit switches, and float switches. It comes with nominal input voltages of 240V DC and 220-240V AC at 47-63 Hz. Its nominal input currents are 2.6 mA at 240V DC, 3 mA at 220V AC at 50 Hz, and 3.5 mA at 220V AC at 60 Hz. The input voltage ranges from 184-276V AC and 184-276V DC, both for the on-state. It also has a minimum on-state current of 2.9 mA, a maximum off-state current of 1 mA, and a maximum off-state voltage of 92-114V AC. 

Input signal delays are available with the 1771-IM module and these are 20 +/- 6 ms for AC and 10 +/- 4 ms for DC from OFF to ON and 20 +/- 6 ms for AC and 20 +/- 9 ms for DC. Its backplane current is 75 mA, its power dissipation is a minimum of 0.4 W and a maximum of 2.4 W, and its thermal dissipation is a minimum of 3.2 BTU/hr and a maximum of 10.9 BTU/hr. This module has a non-condensing relative humidity of 5-95%, an operating temperature of 32-140 .

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