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1794-IV16

Allen-Bradley 1794-IV16 | Flex I/O 24V DC Input Module

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  • Manufacturer: Allen-Bradley

  • Product No.: 1794-IV16

  • Product Type: DC Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Allen-Bradley 1794-IV16 is a 16-channel DC Input Module for the Flex I/O series. It provides 16 nonisolated sourcing inputs operating at 24V DC nominal with a 10-31.2V DC range. The module delivers 8mA nominal on-state current and 4.7kΩ maximum input impedance for reliable signal acquisition in industrial control systems.

Core Functionality

The 1794-IV16 accepts sourcing input signals from field devices such as proximity sensors, switches, and photoelectric sensors. It requires a minimum on-state current of 2.0mA and maintains predictable off-state behavior with 5V DC maximum and 1.5mA minimum current. The module dissipates up to 5.7W at 31.2V DC, ensuring safe operation within Flex I/O racks.

Technical Specifications

Parameter Value
Part Number 1794-IV16
Series Flex I/O
Module Type DC Input Module
Inputs 16 (nonisolated sourcing)
On-State Voltage (Min/Nom/Max) 10V / 24V / 31.2V DC
On-State Current (Min/Nom/Max) 2.0mA / 8.0mA / 11.0mA
Off-State Voltage (Max) 5V DC
Off-State Current (Min) 1.5 mA
Input Impedance (Max) 4.7 kΩ
Power Dissipation (Max) 5.7W @ 31.2V DC
Weight Approx. 0.25 kg (0.55 lbs)

Installation Guide

Mount the 1794-IV16 on the Flex I/O terminal base. Connect 24V DC sourcing field devices to the input terminals. Verify on-state voltage remains between 10V and 31.2V DC. Ensure minimum on-state current of 2.0mA for reliable signal detection. Check off-state voltage does not exceed 5V DC to prevent false triggering.

Engineering Advantages

This module delivers 16 sourcing inputs in a compact Flex I/O form factor. The 4.7kΩ input impedance minimizes field circuit loading. Wide on-state voltage range (10-31.2V DC) accommodates supply variations. Low 5.7W maximum power dissipation reduces thermal load. Predictable off-state characteristics (5V/1.5mA) ensure noise immunity.

Technical FAQs

Q1: Input type and voltage range?
A1: 16 nonisolated sourcing inputs. On-state voltage 10V minimum, 24V nominal, 31.2V maximum DC.

Q2: Current and impedance specs?
A2: On-state current 2.0mA min to 11.0mA max (8.0mA nominal). Input impedance 4.7kΩ maximum.

Q3: Off-state and power ratings?
A3: Off-state voltage 5V DC max, 1.5mA min current. Power dissipation 5.7W max at 31.2V DC.

Product Resources

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🏷️ Tags: DC Input Module

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