1746-NIO4I Analog Combination Module by Allen-Bradley SLC 500

Product Overview

The 1746-NIO4I is an analog combination module. It belongs to the SLC 500 series. This module provides 2 input channels. It also delivers 2 output channels. The device supports multiple signal ranges. It handles -20 to +20 mA current. It also manages -10 to +10V dc voltage. The module uses a 16-bit input resolution. The output resolution is 14 bits. This ensures precise data conversion. The backplane current draw is 55 mA at 5 Volts. It draws 145 mA at 24 Volts. The module has a bandwidth of 10 Hertz. The update time is 512 microseconds. This makes it suitable for fast control tasks.

Application Scenarios

This module works in many industrial settings. You can use it for process control. It fits well in manufacturing lines. The device handles analog sensors well. It connects to pressure transmitters. It also links with temperature sensors. The module works with flow meters. It is ideal for machine automation. The 1746-NIO4I supports mixed signals. This reduces the need for extra modules. It saves space in the control cabinet. The module is common in water treatment. It also appears in packaging systems.

Technical Specifications

The module has 2 inputs and 2 outputs. Input signal ranges include -20 to +20 mA. It also accepts -10 to +10V dc. Output voltage range is -10 to +10V dc. The step response is 60 milliseconds for inputs. Output step response is 2.5 milliseconds. The isolation voltage is 500 Volts. The module uses a 24 Volts backplane current of 145 milliamps. The 5 Volts current is 55 milliamps. The UNSPSC code is 32151705. The UPC is 10662073735882. The module is tested for high isolation. It ensures safe operation in noisy environments.

Installation & Maintenance Guide

Install the module in a SLC 500 chassis. Use the correct backplane slot. Connect field wiring to the terminal block. Follow the wiring diagram in the manual. Use shielded cables for analog signals. Keep signal wires away from power lines. Ensure proper grounding for noise reduction. Check the module status indicators. Perform regular visual inspections. Clean the module with a dry cloth. Do not use solvents. Replace the module if it fails. Always power down before removal.

Packing List

The package includes one 1746-NIO4I module. It comes with a documentation sheet. No cables are included. You will need a compatible terminal block. Use standard shipping with Fedex, UPS, or DHL. The module is packed in an anti-static bag. It is secured in a sturdy box. Handle with care to avoid damage.