1771-IBD

Overview

• Model: 1771-IBD

• Brand: Allen-Bradley

• Module Type: Digital DC Input Module

• Series: 1771 Product Bulletin

• Number of Inputs: 16

• Operating Voltage Range: 10 to 30 VDC

• Compatible Chassis: All 1771 I/O chassis except 1771-A1, -A2, and -A4

Electrical Specifications

Specification	Value
Input Delay (OFF to ON)	1 ms
Input Delay (ON to OFF)	1 ms or 6 ms
Power Dissipation	7.3 Watts (max.), 1.0 Watts (min.)
Thermal Dissipation	24.7 BTU/hr (max.), 3.4 BTU/hr (min.)
Backplane Current (at 24 Volts)	130 mA @ 5V DC +5%
Max DC Off-State Current	2.0 mA
Voltage Category	10 to 60 V DC, Sink (Source Load)
DC Operating Voltage	10 to 30 VDC

Compatibility

• Keying: Between 10 and 12; Between 16 and 18

• Field Wiring Arm: Cat. No. 1771-WH

• Wiring Arm Screw Torque: 7-9 inch-pounds

Dimensions and Weight

Specification	Value
Dimensions	3.5 x 6.5 x 2.0 in (89 x 165 x 51 mm)
Weight	N/A

Signal Delay

• Typical DC Signal Delay (ON): N/A

• Typical DC Signal Delay (OFF): N/A

• Typical AC Signal Delay (OFF): 20 (+/- 15) milliseconds

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