Allen-Bradley 1791-N4C2 Block I/O 6-Point Analog Module

Product Overview

The AB 1791-N4C2 is a 6-point analog Block I/O module designed for versatile industrial automation applications. It provides four analog inputs and two current outputs, offering precise data acquisition and control capabilities. This module integrates seamlessly with Allen-Bradley PLC-2, PLC-3, and PLC-5/250 controllers.

Engineered for high accuracy, the 1791-N4C2 features a 0.1% absolute accuracy at 25°C and input impedance of 10 MΩ. Its output channels maintain less than 1 Ω impedance, ensuring reliable current output performance. The module communicates via block or discrete transfer with compatible programmable controllers, including SLC family controllers.

Key Features

• 6 total analog I/O channels: 4 inputs and 2 outputs

• Inputs configurable as voltage or current

• Output impedance less than 1 Ω per channel

• Update rate per channel: 10 ms

• Power: 120V AC, with 16.9 W maximum dissipation

• Compatible with PLC-2, PLC-3, PLC-5/250, and SLC family controllers

• Supports block transfer and discrete transfer communication

• Compact form factor with 1.25 lbs (0.57 kg) weight

Technical Specifications

Applications

• Industrial automation requiring precise analog input monitoring

• Control systems integrating PLC-2, PLC-3, PLC-5, or SLC controllers

• Analog signal processing in factory equipment

• Systems requiring configurable voltage or current inputs

FAQ

Q1: Is the AB 1791-N4C2 brand new?
A1: Yes, the AB 1791-N4C2 is factory-new and fully original.

Q2: How many analog channels does it support?
A2: It provides six channels: four analog inputs and two current outputs.

Q3: Can the inputs be configured?
A3: Yes, the 4 input channels are configurable as voltage or current.

Q4: What is the maximum power dissipation?
A4: Maximum power dissipation is 16.9 W.

Q5: Which controllers are compatible?
A5: Compatible with PLC-2, PLC-3, PLC-5/250, and SLC family controllers.

Q6: What is the shipping timeline?
A6: Shipping occurs within 3 days to 2 weeks depending on order size via DHL or equivalent.

Q7: What is the return policy?
A7: Returns are accepted within 30 days for verified quality issues.