Description

The Schneider Electric AS-B875-111 is a high-performance analog input module designed for integration into Schneider Electric’s Modicon series of programmable logic controllers (PLCs) and distributed control systems. This sophisticated module serves as a critical interface between field analog sensors and the control system, enabling precise measurement and monitoring of continuous process variables such as temperature, pressure, flow, and level. The Schneider Electric AS-B875-111 is engineered to provide exceptional accuracy and reliability in demanding industrial environments, converting analog sensor signals into high-resolution digital data for processing by the central control system. Its robust design and advanced signal conditioning capabilities make it an essential component in modern automation architectures where precise measurement and control are critical for operational efficiency and product quality.

As part of Schneider Electric’s comprehensive automation ecosystem, the Schneider Electric AS-B875-111 module offers advanced diagnostic features and configuration flexibility that enhance system reliability and simplify maintenance. The module typically supports multiple input types and ranges, allowing for flexible application across various process measurement requirements. The high channel density and compact design of the Schneider Electric AS-B875-111 maximize cabinet space utilization while providing comprehensive measurement capabilities. With features such as open wire detection, alarm generation, and built-in signal filtering, this module represents Schneider Electric’s commitment to delivering industrial automation solutions that combine precision engineering with operational reliability, ensuring optimal performance in critical process applications.

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Technical Specifications

Parameter Name	Parameter Value
Product Model	AS-B875-111
Manufacturer	Schneider Electric
Product Type	Analog Input Module
Number of Channels	8 channels
Input Types	Voltage: 0-10V, ±10V; Current: 0-20mA, 4-20mA
Resolution	16-bit
Accuracy	±0.1% of full scale
Conversion Time	1ms per channel (all channels)
Common Mode Rejection	>120 dB at 50/60 Hz
Normal Mode Rejection	>60 dB at 50/60 Hz
Input Impedance	Voltage: >1 MΩ; Current: 250 Ω
Power Consumption	120 mA at 5V DC
Operating Temperature	-20 to +70°C
Isolation	500V channel-to-channel and channel-to-bus
Connection Type	Removable terminal block

Main Features and Advantages

The Schneider Electric AS-B875-111 offers exceptional measurement accuracy and signal integrity through its advanced 16-bit analog-to-digital conversion technology and comprehensive signal conditioning capabilities. Each channel is individually configurable for different signal types and ranges, providing maximum application flexibility without requiring additional signal conditioning equipment. The module features excellent noise immunity with high common-mode and normal-mode rejection ratios, ensuring accurate measurements even in electrically noisy industrial environments. Advanced diagnostic functions include open wire detection for current inputs, over-range and under-range detection, and continuous monitoring of channel health, enabling predictive maintenance and reducing troubleshooting time.

The modular design of the Schneider Electric AS-B875-111 allows for easy installation and maintenance, with hot-swappable capability in supported systems that enables module replacement without system shutdown. The removable terminal block simplifies wiring and reduces installation time while minimizing errors. The module’s compact design maximizes channel density while maintaining excellent thermal performance. The Schneider Electric AS-B875-111 also features LED status indicators for each channel, providing immediate visual feedback on operational status and fault conditions. These advanced features, combined with the module’s robust construction and high-quality components, ensure reliable long-term performance in the most demanding industrial applications.

Application Field

The Schneider Electric AS-B875-111 finds extensive application across various industries requiring precise analog measurement and process monitoring. In manufacturing and process industries, it is used for monitoring critical parameters such as temperature in injection molding machines, pressure in hydraulic systems, and level in storage tanks. The water and wastewater treatment industry utilizes the Schneider Electric AS-B875-111 for monitoring flow rates, chemical dosing parameters, and quality measurements such as pH and conductivity. In building automation systems, the module provides precise monitoring of environmental parameters including temperature, humidity, and pressure in HVAC systems, ensuring optimal comfort and energy efficiency.

The food and beverage industry employs the Schneider Electric AS-B875-111 for process monitoring and control in production lines, where accurate temperature and pressure measurements are critical for product quality and safety. In pharmaceutical manufacturing, the module provides precise monitoring of critical process parameters in compliance with regulatory requirements. The oil and gas industry utilizes the Schneider Electric AS-B875-111 for monitoring pressure and temperature in pipelines and processing equipment. The module’s high accuracy and reliability also make it suitable for energy management applications, including power monitoring and load management in industrial facilities and commercial buildings.

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