1746-NI8 SLC 500 Analog Input Module by Allen-Bradley

Product Overview

The Allen-Bradley 1746-NI8 is an analog input module for the SLC 500 system. It fits in a single I/O slot. This module handles 8 input channels. It supports voltage and current signals. The 1746-NI8 uses successive approximation conversion. It delivers 16-bit resolution for precise data. This module is ideal for time-sensitive applications. It offers fast update times and high accuracy. The 1746-NI8 works with SLC 5/01 through SLC 5/05 processors. It is a reliable choice for industrial automation.

Application Scenarios

The 1746-NI8 works well in many industrial settings. Use it for process control and monitoring. It suits applications needing fast analog signal conversion. Common uses include temperature sensing and pressure monitoring. The module handles flow control and level measurement. It works in manufacturing plants and refineries. The 1746-NI8 also fits in water treatment facilities. It is compatible with various SLC 500 controllers. This module is a good fit for both fixed and modular systems.

Technical Specifications

The 1746-NI8 module has 8 input channels. It accepts voltage signals from -10 to +10V dc. It also accepts current signals from -20 to +20 mA. The module offers a bandwidth of 1 to 75 Hertz. It includes selectable input filter frequencies. Filter options are 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 50 Hz, and 75 Hz. The update time is 6 milliseconds. Step response ranges from 0.75 to 730 milliseconds. The backplane uses 200 mA at 5 Volts and 100 mA at 24 Volts. Maximum power consumption is 14 Watts. The module has 9 green LED indicators. Eight LEDs show channel status. One LED shows module status.

Installation & Maintenance Guide

Install the 1746-NI8 in any I/O slot except slot 0. Use a removable terminal block with 18 positions. Wire with 14 AWG wire. Use Belden 8761 or similar cable. The maximum loop impedance is 40 Ohms at the voltage source. For current sources, use 250 Ohms. The module performs continuous autocalibration. It has an isolation voltage of 750 Volts DC. The operating temperature range is 0 to 60 degrees Celsius. The module meets Division 2 hazardous environment standards. Always follow the user manual for safe installation.

Packing List

The package includes one 1746-NI8 module. It comes with a removable terminal block. No additional cables are included. Use 1492-ACABLE*C cables for wiring. The module is ready for installation. Ensure you have the correct SLC 500 chassis. Check your processor compatibility before use.