1746-NI8 Analog I/O Module Allen-Bradley

Allen-Bradley 1746-NI8 8-Channel Analog Input Module

Key Product Overview

• Brand: Allen-Bradley
• Model: 1746-NI8
• Series: SLC 500
• Module Type: Analog Input
• This module provides eight configurable input channels.
• You can use it with fixed or modular SLC 500 controllers.
• The 1746-NI8 offers excellent flexibility for various signals.

Detailed Technical Specifications

• Input Channels: 8 non-isolated differential channels.
• Signal Types: Selectable per channel as voltage or current.
• Voltage Input Ranges: 0-10V, 0-5V, 1-5V, ±10V DC.
• Current Input Ranges: 0-20mA, 4-20mA, ±20mA.
• Resolution: High-accuracy 16-bit conversion.
• Update Time: Fast 6 milliseconds for all channels.
• Input Impedance: 250 Ohms (current).

Performance & Filtering Features

• Conversion Type: Successive approximation.
• Filter Frequencies: 7 selectable rates from 1 Hz to 75 Hz.
• Step Response: Ranges from 0.75 ms to 730 ms.
• The module performs continuous autocalibration.
• This ensures long-term measurement stability and accuracy.

Electrical Ratings & Power

• Backplane Current (5V): 200 mA maximum.
• Backplane Current (24V): 100 mA maximum.
• Isolation Voltage: 750V DC (tested for 60 seconds).
• Common-Mode Voltage: -10V to +10V DC range.
• Backplane power consumption remains very low.

Installation & Wiring Guide

• Install in any SLC 500 chassis slot except slot 0.
• Uses an 18-position removable terminal block.
• This allows easy replacement without rewiring the field connections.
• Recommended Cable: Belden 8761 or equivalent shielded cable.
• Wire Size: 14 AWG is suitable for most installations.

Compatibility & Operation

• Compatible with SLC 5/01, 5/02, 5/03, 5/04, and SLC 5/05 processors.
• Data formats include Engineering Units and Proportional Counts.
• Input type selection uses simple DIP switches on the module.
• Nine green LEDs provide clear module and channel status.

Environmental & Safety Ratings

• Operating Temperature: 0°C to 60°C (32°F to 140°F).
• Suitable for use in Division 2 hazardous locations.
• Designed for reliable operation in industrial environments.

Packaging & Shipping Information

• This product is brand new and factory original.
• It comes in its original manufacturer's packaging.
• We hold stock for quick shipment within 5 business days.
• We ship worldwide using reliable carriers like FedEx, UPS, and DHL.

Frequently Asked Questions (FAQ)

• Q: Is the 1746-NI8 module isolated?
  A: The backplane is isolated, but the input channels are non-isolated differential.
• Q: What processors work with this module?
  A: It works with all SLC 5/0x processors within the SLC 500 system.
• Q: How do I configure the input type?
  A: Use the DIP switches on the side of the 1746-NI8 module for each channel.
• Q: Do you offer a return policy?
  A: Yes, we offer a 30-day return policy for unused items.
• Q: What is the resolution of this analog module?
  A: The module provides high-quality 16-bit resolution.
• Q: Can I get support for installation?
  A: Basic technical data is provided. Please contact us for specific application questions.

Contact Information for Inquiries: sales@nex-auto.com, +86 153 9242 9628

Partner: NexAuto Technology Limited