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Allen-Bradley 1771-IAD PLC-5 16-Channel 120V AC/DC Digital Input Module

SKU: N100844
Model: 1771-IAD
Product Condition: New
$295.00

Allen-Bradley 1771-IAD digital input module delivers 16 channels of 120V AC/DC signal monitoring for PLC-5 systems, enabling reliable connection of switches, relays, and discrete field devices.

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Allen Bradley Programmable Logic Controllers (PLCs) Automation
Product Description

Allen-Bradley 1771-IAD PLC-5 16-Channel 120V AC/DC Input Module

The Allen-Bradley 1771-IAD is a PLC-5 digital input module designed to interface discrete AC or DC field devices with a 1771 Series I/O chassis. It provides sixteen isolated input channels for monitoring 120V AC or DC signals in industrial control systems.

Integrated 16-Channel AC/DC Input Architecture

  • Sixteen discrete input channels
  • Supports 120V AC or 120V DC signal levels
  • Selectable input delay for noise reduction
  • LED status indicators for each input channel

Optimized for PLC-5 I/O Systems

The module installs directly into compatible 1771 I/O chassis and communicates input status through the PLC-5 backplane. Adjustable input filtering helps minimize false triggering in electrically noisy environments.

Industrial Control Applications

  • Monitoring pushbuttons and selector switches
  • Reading relay and contactor auxiliary contacts
  • Discrete status feedback in PLC-5 control panels
Specifications
Specifications
MPN 1771-IAD
Product Condition New
Shipping Length (in.) 9
Shipping Width (In.) 6
Shipping Height (In.) 6
Item Returns This item can be returned
Brand Allen-Bradley
Manufacturer Rockwell Automation
Catalog Number 1771-IAD
Product Line PLC-5 / 1771 Series I/O
Product Type Digital AC/DC Input Module
Number of Inputs 16
Nominal Input Voltage 120 VAC @ 50/60 Hz; 125 VDC
On-State Voltage Range 79–138 VAC or VDC
Nominal Input Current 9.9 mA @ 120 VAC 60 Hz; 8.7 mA @ 120 VAC 50 Hz; 2.56 mA @ 125 VDC
Maximum Off-State Voltage 43 VAC or VDC
Maximum Off-State Current 3.0 mA @ 43 VAC; 0.8 mA @ 43 VDC
Input Impedance 11.2 kΩ @ 60 Hz (0.18 µF parallel with 47 kΩ, series with 820 Ω)
Input Signal Delay (On) AC: 5 ms ±3 ms or 20 ms ±5 ms selectable; DC: 3 ms ±0.1 ms or 10 ms ±1 ms selectable
Input Signal Delay (Off) 25 ms ±5 ms (AC or DC)
Selectable Input Filtering Delay time jumper selectable for noise suppression
Backplane Current 195 mA @ 5 VDC
Power Dissipation 8.8 W (maximum); 1.0 W (minimum)
Thermal Dissipation 30.1 BTU/hr (max); 3.42 BTU/hr (min)
Maximum Adjacent Slot Power 17 W
Isolation Voltage Tested to 2500 VDC for 1 second
Status Indicators 1 green module active LED; 16 red input status LEDs
Field Wiring Arm 1771-WH
Compatible Chassis 1771-A1B, A2B, A3B, A3B1, A4B, 1771-AM1, 1771-AM2
Keying Positions Between 10–12 and 14–16
Operating Temperature 32 to 131 °F (0 to 55 °C)
Storage Temperature -40 to 185 °F (-40 to 85 °C)
Relative Humidity 5–95% non-condensing
Enclosure Type Open-style (panel mounted in enclosure)
Dimensions (in) 3.5 Ă— 6.5 Ă— 2.0
Certifications UL Listed, CSA Certified, CE Marked
What's in the box?
  • 1 x Allen-Bradley 1771-IAD Digital AC/DC Input Module 

 

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