OVERVIEW

Official designation: Allen-Bradley 1791-32B0 (Block I/O, Input Module)

Role/Application: This 24V DC discrete input module provides 32 sinking input channels in four groups for efficient signal interfacing in Remote I/O distributed control systems.

KEY SPECS SUMMARY

Power: 19.2 to 30V DC external, 300 mA current draw

Interfaces / Ports: Remote I/O link, non-removable terminal strips

Indicators: Thirty-two Input Status LEDs, Communication LED, Status LED

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: PLC-2, PLC-3, PLC-5, and SLC family processors

Limit: Maximum input impedance is 3.4 kiloohm

Lifecycle: Discontinued/Obsolete

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the voltage and current ranges for the 1791-32B0 module's inputs?

A: The inputs operate from 10 to 30V DC with a maximum on-state current of 11 mA at 30V DC.

Wiring & Installation:

Q: What is the recommended installation clearance around the 1791-32B0 module?

A: A minimum clearance of 2 inches (50.8 millimeters) is required on all four sides for ventilation.

Troubleshooting & Compatibility:

Q: What is the isolation rating between the power supply and the I/O groups on this module?

A: The module provides 500V AC isolation between the power supply, I/O groups, and logic.

Replacement & Upgrades:

Q: What is the official manufacturer lifecycle status of the Allen-Bradley 1791-32B0 module?

A: The 1791-32B0 module has been designated as Discontinued/Obsolete by the manufacturer.