1762-IA8

Overview

1762-IA8 is an 8-point 120V AC digital input module from Allen-Bradley, designed for use with MicroLogix controllers in industrial automation systems.

Technical Specifications

• Voltage Category: 100/120V AC

• Operating Voltage Range: 79 to 132V AC at 47 to 63 Hz

• Number of Inputs: 8

• Bus Current Draw (Max): 50 mA at 5V DC (0.25 W)

• Heat Dissipation (Max): 12.0 W

Input Characteristics

• Signal Delay (Max):

  • On Delay: 20.0 ms

  • Off Delay: 20.0 ms

• Off-State Voltage (Max): 20V AC

• Off-State Current (Max): 2.5 mA

• On-State Voltage Range: 79V AC (min) to 132V AC (max)

• On-State Current:

  • 5.0 mA min at 79V AC, 47 Hz

  • 12.0 mA nominal at 120V AC, 60 Hz

  • 16.0 mA max at 132V AC, 63 Hz

• Inrush Current (Max): 250 mA

• Nominal Impedance:

  • 12 kΩ at 50 Hz

  • 10 kΩ at 60 Hz

• IEC Input Compatibility: Type 1+

• Isolated Groups: Group: Inputs 0–7 (internally connected commons)

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