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

Allen-Bradley 1746-NIO4I SLC 500 Analog Combination Module

Description

The Allen-Bradley 1746-NIO4I is an analog combination module designed for the SLC 500 programmable logic controller system. This module provides a versatile interface for industrial control applications, featuring both analog...

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SKU: 1746-NIO4I
Vendor: Allen-Bradley
Category: Analog I/O Module
Related Series:

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Description

The Allen-Bradley 1746-NIO4I is an analog combination module designed for the SLC 500 programmable logic controller system. This module provides a versatile interface for industrial control applications, featuring both analog input and output capabilities to facilitate precise process monitoring and control.

Features

  • Integrated analog I/O functionality within the SLC 500 chassis.
  • High-resolution performance with 16-bit input and 14-bit output resolution.
  • Supports multiple signal ranges for flexible sensor and actuator integration.
  • Fast update times suitable for standard process control loops.

Technical Specifications

Parameter Specification
Product Model 1746-NIO4I
Module Type Analog Combination Module
Inputs 2
Input Signal Ranges -20 to +20 mA; -10 to +10V dc
Output Voltage Range -10 to +10V dc - 1 LSB
Backplane Current (5V) 55 mA
Backplane Current (24V) 145 mA
Resolution 16 bits (input), 14 bits (output)
Bandwidth 10 Hz
Update Time 512 microseconds
Step Response 60 ms (input), 2.5 ms (output)

Installation Guidelines

  • Ensure the SLC 500 chassis power is disconnected before installing or removing the module.
  • Handle the module using ESD-safe practices to prevent damage to sensitive internal components.
  • Seat the module firmly into the designated slot in the SLC 500 rack and tighten the mounting screws to ensure proper backplane connection.
  • Route analog signal wiring away from high-voltage AC lines and high-EMI sources to minimize signal noise and interference.
  • Use shielded twisted-pair cabling for analog signals and ground the shield at one end to maintain signal integrity.

FAQ

What is the primary function of the 1746-NIO4I?

The 1746-NIO4I is an analog combination module for the SLC 500 system, allowing the controller to read analog inputs and provide analog outputs for control devices.

Is this module compatible with all SLC 500 racks?

The 1746-NIO4I is designed for standard SLC 500 I/O chassis. Please verify your specific chassis power supply capacity to ensure it can handle the 55mA (5V) and 145mA (24V) backplane current requirements.