SCHNEIDER AS-B824-100 800 Series discrete output module

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SCHNEIDER AS-B824-100

Schneider AS-B824-100 Overview

Schneider AS-B824-100 is a Modicon 800 Series discrete output module used in legacy Modicon PLC systems for industrial automation and process control.

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Basic Product Information

• Manufacturer: Schneider / Modicon
• Model: AS-B824-100
• Series: Modicon 800 Series I/O
• Module Type: Discrete Output Module
• Output Type: 24 VDC True High
• Output Points: 16 channels

This module is typically installed in Modicon PLC racks to convert control signals from the PLC into electrical outputs that drive field devices.

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Key Features

1) 16-Point Digital Output

• Provides 16 independent outputs, divided into two groups of 8.
• Each group is fused for overload protection.

2) 24 VDC “True High” Outputs

• Designed to switch 24 VDC loads.
• “True High” means the module sources voltage to the load when activated.

3) Optical Isolation

• Each output channel includes optical isolation from the PLC.
• Protects the controller from field wiring faults and electrical noise.

4) Industrial Load Driving

Outputs can drive:

• Relays
• Motor starters
• Solenoids
• Industrial indicators and actuators

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Typical Technical Specifications (B824 family)

(AS-B824-100 shares the same core platform as AS-B824-016)

Parameter	Specification
Operating voltage	20–28 VDC
Outputs	16 points
Groups	2 groups (8 per group)
Max current per point	2 A continuous
Max current per group	6 A
Max current per module	12 A
Leakage current	1 mA max @ 24 VDC
External supply	24 VDC ±4 V
Slot requirement	1 slot

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Typical Applications

The AS-B824-100 is widely used in legacy and long-life industrial control systems:

• Manufacturing automation lines
• Power generation & utilities
• Oil & gas plants
• Water & wastewater systems
• Packaging and material handling

Its role is to interface PLC logic with real-world devices reliably.

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Compatibility

Works with:

• Modicon 800 Series PLC racks
• Legacy Modicon / AEG / Gould automation systems

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Summary

The Schneider AS-B824-100 is a rugged 16-channel 24 VDC output module designed for dependable control of field devices in industrial PLC systems. With fused output groups, optical isolation, and strong load-driving capability, it remains a common spare part in long-running Modicon installations.