• Allen-Bradley 1746-FIO4I
  • Allen-Bradley 1746-FIO4I
  • Allen-Bradley 1746-FIO4I
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Allen-Bradley 1746-FIO4I SLC 500 Fast Analog Combination I/O Module

Allen-Bradley 1746-FIO4I SLC 500 Fast Analog Combination I/O Module

Description

The Allen-Bradley 1746-FIO4I is a high-speed analog combination I/O module engineered for the SLC 500 programmable controller platform. Designed for applications requiring rapid signal processing, this module provides two analog...

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SKU: 1746-FIO4I
Vendor: Allen-Bradley
Category: Analog I/O Module
Related Series:

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Description

The Allen-Bradley 1746-FIO4I is a high-speed analog combination I/O module engineered for the SLC 500 programmable controller platform. Designed for applications requiring rapid signal processing, this module provides two analog input channels and two analog output channels in a single-slot configuration. The module utilizes successive approximation conversion to achieve high-speed performance, making it suitable for control loops that demand faster response times than standard analog modules can provide.

Features

  • High-Speed Conversion: Utilizes successive approximation for a 7.5 microsecond conversion time.
  • I/O Configuration: Two configurable voltage/current inputs and two dedicated current output channels.
  • High Bandwidth: Features a 7 kHz bandwidth for rapid signal tracking.
  • Resolution: Provides 12-bit resolution for inputs and 14-bit resolution for outputs.
  • Compatibility: Fully compatible with both fixed and modular SLC 500 chassis systems.

Technical Specifications

Brand Allen-Bradley
Product Line SLC 500
Module Type Fast Analog Combination I/O
Input Channels 2 (Voltage or Current)
Output Channels 2 (Current: 0–20 mA)
Input Ranges 0 to 10V DC or 0 to 20 mA
Conversion Method Successive Approximation
Input Resolution 12-bit
Output Resolution 14-bit
Conversion Time 7.5 µs
Update Time 512 µs
Backplane Current (5V) 55 mA
Backplane Current (24V) 150 mA
Operating Temperature 0 to 60 degC (32 to 140 degF)

Installation Guidelines

  • Power Down: Always remove power from the SLC 500 chassis before inserting or removing the module to prevent electrical damage.
  • Slot Placement: The module can be installed in any available I/O slot of a modular SLC 500 chassis.
  • Wiring: Use shielded twisted-pair cabling for analog signals to minimize electromagnetic interference (EMI). Ensure the shield is grounded at one end only.
  • Handling: Observe standard ESD (Electrostatic Discharge) precautions when handling the module.
  • Cooling: Ensure adequate ventilation within the enclosure to maintain the operating temperature within the specified 0 to 60 degC range.

FAQ

What is the primary advantage of the 1746-FIO4I over standard analog modules?

The 1746-FIO4I is designed for high-speed applications. Unlike standard modules that typically use Sigma-Delta conversion, this module uses a successive approximation method, resulting in a significantly faster 7.5 microsecond conversion time and a 7 kHz bandwidth.

Is this module compatible with all SLC 500 systems?

Yes, the 1746-FIO4I is compatible with both fixed and modular SLC 500 hardware platforms.