Schneider 140SAI94000S Analog Safety Input Module

Overview

The Schneider 140SAI94000S is a high-performance analog safety input module designed for industrial automation. It supports 8 analog inputs and provides 13 input words, making it perfect for safety-critical applications. With 16-bit resolution and a linear measuring range of 0 to 25 mA, this module offers precise and accurate measurements, ensuring reliable operation in demanding environments. Its ±0.35% accuracy and low error margins make it a trusted choice for process control systems.

The module features robust signal isolation, protecting your system from interference and ensuring clean signal transmission. Schneider Electric designed the 140SAI94000S with fast update times of just 15 ms, making it ideal for real-time monitoring and control in safety-critical applications.

Key Features

8 Analog Inputs: Supports up to 8 analog inputs for measuring multiple parameters simultaneously.
16-bit Resolution: Ensures accurate measurements across a wide range of input signals.
High Accuracy: Achieves ±0.35% maximum error for precise data collection.
Signal Isolation: Provides 1500 V AC isolation between channels and the bus, ensuring signal integrity.
Quick Data Updates: Features an update time of just 15 ms, enabling fast data processing and response.
Fault Detection: Includes 8 red LEDs for system diagnostics and real-time fault monitoring.
CE Marking: Complies with relevant European safety standards.

Technical Specifications

Specification	Details
Model Number	140SAI94000S
Manufacturer	Schneider Electric
Product Type	Analog Safety Input Module
Number of Inputs	8 Analog Inputs
Input Words	13 Input Words
Input Resolution	16-bit
Linear Measuring Range	0…25 mA
Absolute Maximum Input	35 mA
Input Impedance	287 Ohm
Accuracy Error	±0.35% of full scale maximum
Linearity Error	±0.3%
Common Mode Rejection	-70 dB at 50 Hz, -65 dB at 60 Hz
Isolation Between Channels and Bus	1500 V AC for 60 s
Isolation Between Channels	500 V AC for 60 s
Update Time	15 ms
Fault Detection	8 Red LEDs for system failures, diagnostics for internal faults
Communication	1 Green LED for bus communication
Marking	CE
Fault Type	Overtaking Scale
Local Signaling	LED Indicators (Red for system failure, Green for input status)

Application and Compatibility

The 140SAI94000S is perfect for safety-critical applications where high-accuracy and real-time control are required. It integrates seamlessly with Schneider Electric’s Modicon Quantum series, ensuring compatibility and easy integration into existing automation systems.

Applications

Industrial Automation: Ideal for systems that require precise analog measurements, such as temperature, pressure, and flow control.
Safety-Critical Systems: Ensures high-accuracy data collection for safety functions in critical applications.
Process Control: Perfect for applications requiring real-time feedback and fast response times.

Benefits

High-Precision Measurements: Achieves ±0.35% error margin, ensuring reliable and accurate data for control systems.
Robust Isolation: Offers 1500 V AC isolation, protecting your system from electrical noise and interference.
Fast Data Updates: With 15 ms update time, this module delivers quick responses for process adjustments.
Easy Fault Monitoring: Equipped with 8 LEDs, it allows users to quickly identify faults and diagnose issues.
Industrial-Grade Reliability: Designed for use in demanding industrial environments, ensuring long-term reliability and performance.

Why Choose the Schneider 140SAI94000S?

The Schneider 140SAI94000S is a reliable and efficient solution for analog safety input in automation systems. Offering high-resolution measurements, fast updates, and excellent isolation, it meets the rigorous demands of safety-critical environments. With integrated diagnostic tools and high fault tolerance, this module ensures smooth operation and minimal downtime.