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Allen-Bradley 1771 Universal I/O structure digital I/O product

Allen-Bradley 1771 Universal I/O structure digital I/O product

  • Product Item : 1771 digital I/O product
  • Product Brand : Allen-Bradley
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Interfaces your ON/OFF devices to AllenBradley programmable controllers within the 1771 Universal I/O structure. Allen-Bradley digital dc I/O modules interface to ON/OFF devices such as limit switches, pushbuttons, motor starters, pilot lights, and annunciators.


These modules are compatible with all current Allen-Bradley programmable controllers. This saves on spare parts, system engineering, inventory, and training costs.

Supports high power operations. The dc solid-state family of digital I/O modules meets requirements for applications from 5-125V dc.

These modules exhibit long life (20-100+ million operations). Provides system protection and troubleshooting aids. The dc I/O modules include electrical-optical isolation and filter circuits for signal noise reduction. To help you troubleshoot your system, module indicators are provided to show input or output status and fuse-blown conditions.


Allen-Bradley offers a digital I/O product line consisting of three families:

AC Digital Input and Output Modules

DC Digital Input and Output Modules

Digital Relay Contact Output Modules


More models about Allen-Bradley 1771 Universal I/O structure:

1771-IB Module;1771-IBD Module;1771-IBN Module;1771-IC Module;

1771-ICD Module;1771-IG Module;1771-IGD Module;1771-IH Module;

1771-IQ Module;1771-IQ16 Module;1771-IT Module;1771-IV Module;

1771-IVN Module;1771-OB Module; 1771-OBD Module;1771-OBN Module;

1771-OC Module;1771-OG Module;1771-OGD Module; 

1771-OQ Module;1771-OQ16 Module;1771-OVN Module;

1771-OW16;1771-IAD;1771-A1B;1771-IT;1771-WB;1771-WA;

1771-IVN;1771-ASB;1771-A3B1;1771-P4S;

1771-WS;1771-P6S; 1771-WC;1771-WN;

1771-IR;1771-OFE2;1771-IFE;1771-WD;