SCHNEIDER 140ERT85420 Modicon Quantum I/O Module

SCHNEIDER 140ERT85420 Modicon Quantum Multifunction Input Module

Product Overview

Brand: Schneider Electric
Model: 140ERT85420
Series: Modicon Quantum Automation Platform
Product Type: Multifunction Input Module
Function: 32-channel discrete input / event recording / counting module

Technical Specifications

• Input Channels: 32 discrete inputs
• Input Voltage Range: 24...125 VDC
• Input Groups: 2 groups of 16 inputs
• Clock Signal Input: 1 × 24 V clock input
• Event Recording: Time and date stamped event logging (SOE)
• Counter Function: 32-bit counter, up to 500 Hz
• Time Synchronization: Supports IRIG-B and DCF77 protocols
• Input Filtering: Adjustable debounce filtering 0...255 ms
• Isolation: Optocoupler isolation between channels/groups
• Connection Type: 40-pin terminal block
• Power Consumption: Approx. 7.5 W maximum
• Weight: Approx. 0.45 kg
• Compatible Software: Unity Pro / Control Expert

Product Advantages & Features

• High-Precision Event Recording
  Records input status changes with accurate time stamps, suitable for sequence-of-events analysis.
• Multi-Function Input Processing
  Combines digital input monitoring, event logging, and counting functions in one module.
• High Reliability Design
  Uses optical isolation technology to improve electrical protection and system stability.
• Flexible Configuration
  Supports input inversion, filtering, and parameter adjustment according to application requirements.
• Excellent System Compatibility
  Designed for Schneider Modicon Quantum PLC systems and supports Unity Pro programming environments.
• Accurate Time Synchronization
  Compatible with IRIG-B and DCF77 time synchronization signals for industrial applications requiring precise timing.

Typical Applications

• Power generation and electrical substations
• Energy monitoring systems
• Industrial automation control systems
• Process control industries
• Manufacturing production lines
• Transportation automation systems
• Large-scale infrastructure monitoring

Precautions

• Confirm the PLC system compatibility before installation.
• Ensure input voltage matches the configured voltage range (24...125 VDC).
• The reference input voltage must match the actual input voltage level.
• Use proper grounding and wiring methods to avoid electrical interference.
• Disconnect power before installing or removing the module.
• Check firmware and software compatibility when replacing older modules.