• Allen-Bradley 1746-IG16
  • Allen-Bradley 1746-IG16
  • Allen-Bradley 1746-IG16
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Allen-Bradley 1746-IG16 16-Channel 5V DC TTL Sourcing Input Module

Allen-Bradley 1746-IG16 16-Channel 5V DC TTL Sourcing Input Module

Description

The Allen-Bradley 1746-IG16 is a high-speed digital input module specifically engineered for the SLC 500 programmable controller platform. This module provides 16 current-sourcing inputs designed to interface directly with 5V...

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SKU: 1746-IG16
Proveedora: Allen-Bradley
tipo: Digital Input Module
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Description

The Allen-Bradley 1746-IG16 is a high-speed digital input module specifically engineered for the SLC 500 programmable controller platform. This module provides 16 current-sourcing inputs designed to interface directly with 5V DC Transistor-Transistor Logic (TTL) and Binary Coded Decimal (BCD) signals. It is an essential component for applications requiring the integration of microcontrollers, high-speed electronic sensors, and specialized encoders that operate at TTL voltage levels.

Features

  • 16 current-sourcing digital input channels.
  • Optimized for 5V DC TTL signal compatibility.
  • Fast response times with 0.25 ms (ON) and 0.5 ms (OFF) signal delays.
  • Electro-optical isolation rated at 1500V AC to protect the SLC backplane from electrical noise and transients.
  • Compact design for seamless integration into existing SLC 500 chassis configurations.

Applications

The 1746-IG16 is ideal for industrial environments where high-speed electronic logic integration is required. Typical applications include interfacing with TTL-based microcontrollers, high-speed pulse counting, monitoring BCD output devices, and connecting to specialized electronic sensors that do not conform to standard 24V DC industrial signal levels.

Technical Specifications

Brand Allen-Bradley
Product Line SLC 500
Module Type Digital DC TTL Input (Sourcing)
Number of Inputs 16
Nominal Voltage 5V DC
Operating Voltage Range 4.5 to 5.5V DC
Signal Delay (ON/OFF) 0.25 ms / 0.5 ms
Backplane Current (5V) 0.14 A
Off-State Voltage Range 2.0 to 5.5V DC
Off-State Current 4.1 mA
Power Dissipation 1 Watt
Isolation Voltage 1500V AC
Operating Temperature 0 to 60 degC (32 to 140 degF)

Installation Guidelines

  • Ensure the SLC 500 chassis is powered down before inserting or removing the module to prevent electrical damage.
  • The module should be seated firmly into the desired slot of the SLC 500 chassis and secured using the top and bottom mounting screws.
  • Use shielded cabling for input signals to minimize EMI interference, especially in high-speed applications.
  • Ensure that the 5V DC common is properly referenced to the module's input common to maintain signal integrity.
  • Maintain adequate ventilation around the chassis to ensure the operating temperature remains within the 0 to 60 degC range.
  • Follow standard ESD (Electrostatic Discharge) precautions when handling the module to prevent component damage.

FAQ

Is the 1746-IG16 compatible with standard 24V DC sensors?

No, this module is specifically designed for 5V DC TTL signals. Connecting 24V DC signals will cause permanent damage to the module circuitry.

Does this module require external power for the inputs?

The 1746-IG16 is a sourcing input module; it requires a 5V DC power source to be provided to the input devices to drive the current into the module inputs.