1771-IM

Overview

Allen-Bradley 1771-IM is an AC/DC input module for 1771 I/O chassis, supporting 220/240 V operation for industrial control applications.

Input Specifications

• Inputs per module: 8

• Nominal input voltage: 220/240 V AC @ 47–63 Hz, 240 V DC

• Nominal input current: 3.5 mA RMS @ 220 V AC, 3.5 mA @ 240 V DC

• Input voltage range: 184–276 V AC/DC (on-state), 0–92 V AC / 0–114 V DC (off-state)

Performance

• Input signal delay: 20±6 ms AC, 10±4 ms turn-on DC, 20+9 ms turn-off DC

• Power dissipation: 2.4 W max, 0.4 W min

• Thermal dissipation: 10.9 BTU/hr max, 3.2 BTU/hr min

• Backplane current: 75 mA

Isolation

• Opto-electrical isolation: 1500 V AC (RMS)

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