+86 180 3000 5825

Top Quality, Professional Service, and Reliable After-Sales Care

sales@sparetechplc.com
Book Now
, ,

1794-OA8I Allen-Bradley Flex I/O Digital Output Module

1794-OA8I Allen-Bradley Flex I/O Digital Output Module

Allen-Bradley 1794-OA8I Price $257

Manufacturer:Allen-Bradley
Series: ab flex i/o
Model Number: 1794-OA8I
Weight:0.5 kg KG
Condition: In Stock
Availability: 100% Original Brand New
Product Origin:US
Shipping port: Xiamen
Warranty: 12 Month

Customer Reviews

Be the first to write a review

Request for quote

Product Overview

The 1794-OA8I is a Flex I/O digital output module from Allen-Bradley. It offers 8 isolated outputs for 120V AC loads. Each output delivers up to 500 mA. This module links PLC logic to field actuators.

Application Scenarios

Use the 1794-OA8I in distributed I/O systems. Connect devices like contactors, solenoids, and pilot lights. It works with ControlLogix and CompactLogix controllers. Typical industries include automotive, food processing, and material handling. The module handles high inrush currents for inductive loads.

Technical Specifications

  • Outputs: 8 Isolated
  • Output Voltage: 120V AC nom.
  • Output Current Rating: 4.0A total
  • On-state Voltage Drop: 1.0V @ 0.5A max.
  • Off-state Leakage Current: 2.25mA max.
  • Isolation Voltage: 120V Continuous (channel-to-channel and field-to-backplane)
  • Flexbus Current: 80mA @ 5V DC
  • Power Dissipation: 4.1W @ 0.5A max.
  • Thermal Dissipation: 14.0 BTU/hr.
  • On-state Current min.: 5mA per output
  • Operating Temperature: -20 to 55°C
  • Dimensions: 94 x 94 x 69 mm

Installation & Maintenance Guide

Insert the 1794-OA8I into a compatible terminal base. Use bases like 1794-TB3S, 1794-TB2, or 1794-TB3. Set the keyswitch to position 8. Wire the isolated outputs to even-numbered terminals. Connect 120V AC power to odd-numbered terminals. Use common terminals for each output device. The module mounts on a DIN rail. Align the base over the rail and push to lock. Use slow-blow fuses rated 1.6A, 250V AC for protection. Green LED indicator shows active output. Maintain airflow around the module. Keep ambient temperature within -20°C to 55°C.

Packing List

  • 1 x 1794-OA8I Module
  • 1 x Installation Manual
Manufacturer Allen-Bradley
Series ab flex i/o
SKU 1794-OA8I
Product Type discrete output module
Product Origin US
Weight 0.5 kg
Expected selling price (USD) 257
Condition In Stock
Shipping Port Xiamen
Warranty 12 Month
Shipping Details Adjust according to reality
Has Merchant Return Policy Adjust according to reality
Reviews 14
Aggregate Rating 4.8

Allen-Bradley 1794-OA8I FAQ

Q1: What is the output voltage of the 1794-OA8I?

A1: The module provides 120V AC nominal output voltage for each channel.

Q2: What is the maximum current per output?

A2: Each output supports up to 500 mA. The total module current is 4.0A.

Q3: Which terminal bases are compatible with this module?

A3: Use terminal bases 1794-TB3S, 1794-TB2, 1794-TB3, 1794-TBN, or 1794-TBNF.

Q4: How do I wire the outputs?

A4: Connect the isolated output to an even-numbered terminal. Connect 120V AC power to the adjacent odd-numbered terminal.

Q5: Does the module have LED indicators?

A5: Yes. When an output is active, the yellow LED on the field side turns on.

Allen-Bradley 1794-OA8I 's Comments

Leave a Reply

Your email address will not be published. Required fields are marked *

No comments to show.

Purchased together

Related articles

  • PW482-11: Yokogawa CENTUM VP Power Supply Module Guide

    PW482-11: Yokogawa CENTUM VP Power Supply Module Guide

    Core Application Value of the PW482-11 The Yokogawa PW482-11 solves the critical challenge of maintaining continuous power to the logic circuits and I/O modules of a DCS node. Specifically, this Power Supply Module converts a wide range of AC input (100V to 240V) into the precise DC voltages required for the system backplane. It features…

  • GE IS200EPSMG2A: Procurement Guide for EX2100

    GE IS200EPSMG2A: Procurement Guide for EX2100

    Procurement guide for GE IS200EPSMG2A Exciter Power Supply Module for EX2100 series. Key specs include 70 VDC contact wetting, 5/15/24 VDC outputs, and -30 to +65°C operation. Lightweight under 2 lbs. Ideal for industrial excitation control.

  • Allen-Bradley 1762-OA8 | 8-Point AC Solid-State Output Module

    Allen-Bradley 1762-OA8 | 8-Point AC Solid-State Output Module

    Shop the Allen-Bradley 1762-OA8, an 8-point AC triac output module. It operates from 85 to 265V AC. Ideal for MicroLogix 1100, 1200, and 1400 systems.

  • Allen-Bradley 1746-IB32: Industrial Input Module Specs

    Allen-Bradley 1746-IB32: Industrial Input Module Specs

    Optimize your control system with Allen-Bradley 1746-IB32 Industrial Input Module specs: 32-point 24VDC sink input, key specs, and compatibility details.