Modicon AS-B875-002 — 8-Channel Analog Input Module
Overview
The Modicon AS-B875-002 is a dedicated analog input module designed for integration with Modicon PLC platforms and legacy Schneider Electric control systems. This multi-channel input card acquires analog signals in standard industrial ranges, converting real-world process parameters into digital values for controller logic. The module is part of the established Modicon 800 series I/O family and remains widely deployed in manufacturing, chemical processing, and utilities environments where proven, stable automation hardware is required.
Key Features
- 8 Analog Input Channels: Simultaneous signal acquisition from multiple sensors and transmitters
- Dual Input Range Support: 4-20mA (current) and 1-5V (voltage) per channel
- Industrial Signal Compatibility: Accepts standard analog signals from pressure transmitters, temperature transducers, flow meters, and other process instrumentation
- Modular Plug-In Design: Direct mounting into Modicon I/O base units and rack configurations
- Tested and Functional: Verified operation before shipment for mission-critical applications
Technical Specifications
- Input Channels: 8
- Input Signal Types: 4-20mA (DC), 1-5V (DC)
- Module Type: Analog Input I/O Card
- Mounting: Modicon rack or base unit slot mount
- Manufacturer: Schneider Electric / AEG (Modicon brand)
- Series: Modicon 800 I/O
- Part Number Format: AS-B875-002
- Condition: Used, fully functional
- Compatible Controllers: Modicon Quantum, Momentum, and legacy 984 series
Typical Applications
- Process control loops requiring multi-point analog monitoring
- Manufacturing equipment parameter acquisition (pressure, temperature, flow)
- Building automation and HVAC system sensor input
- Chemical processing batch control systems
- Utilities and water treatment plant instrumentation
- Replacement for failed or failing analog input modules in operational systems
Compatibility & Replacements
Compatible With
- Modicon Quantum PLC systems
- Modicon Momentum controllers
- Modicon 984 series legacy platforms
- Schneider Electric AEG automation equipment
- Standard Modicon I/O base units and mounting racks
- Industrial sensor systems using 4-20mA and 1-5V signal standards
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or controls engineer before ordering. This module is typically used as a direct replacement for failed AS-B875-002 units or similar Modicon 8-channel analog input modules in existing installations. Part-for-part interchangeability depends on firmware version, slot configuration, and application-specific software.
Works With
- Modicon programming software and Studio environments
- Standard 4-20mA industrial transmitters and sensors
- 1-5V analog output devices and transducers
- Legacy Modicon PLC networks and backplane communication
- Modbus and proprietary Modicon I/O scanning protocols
