High-Density Analog Input for Precise Signal Acquisition

Integrate precise process signals into your control system with the Schneider Electric AS-B875-001 analog input module. This compact Modicon Quantum module accepts eight analog signals for versatile data acquisition. It handles standard industrial ranges of 4 to 20 mA and 1 to 5V DC. The AS-B875-001 provides reliable conversion of sensor data for critical monitoring and control applications.

Physical & Environmental Specifications

• Operating Temperature: Stable performance from 0°C to 40°C.
• Storage Temperature: Safe storage from 0°C to 50°C.
• Operating Humidity: Up to 80% RH (non-condensing).
• Operating Altitude: Rated for use up to 1000 meters above sea level.
• Module Weight: 4.00 lbs (1.81 kg) for rugged construction.
• Installation Environment: Designed for clean indoor panels without corrosive chemicals.

Installation & Wiring Guide

• Install the module in any available slot of a compatible Modicon Quantum rack.
• Use shielded, twisted-pair cables for all analog signal connections to minimize noise.
• Ensure proper grounding of cable shields at the panel end only to prevent ground loops.
• Configure each channel's input type (current or voltage) and scaling via Unity Pro software.
• Allow sufficient space around the module for airflow, respecting the 40°C maximum ambient temperature.

Packaging & Warranty

• Includes one Schneider Electric AS-B875-001 analog input module.
• Package contains all necessary mounting hardware and user documentation.
• Product ships in protective, factory-sealed packaging via FedEx, UPS, or DHL.
• This module is covered by a standard 12-month warranty.

Technical FAQs

• Can I mix voltage and current inputs on the same module?

Yes, each of the eight channels is independently configurable. You can set some channels for 4-20 mA and others for 1-5V within the same module.

• What is the typical accuracy and resolution of this module?

While specific datasheet values apply, Quantum analog modules typically offer high accuracy (e.g., ±0.1% of range) and fine resolution (e.g., 16-bit) for precise process measurement.

• Is signal isolation provided between channels?

Channels are typically isolated from each other and from the module's backplane. This design prevents noise from one sensor from interfering with adjacent channel readings.

• How do I handle a sensor that outputs 0-20 mA instead of 4-20 mA?

The module can accept the 0-20 mA signal, but you must reconfigure the channel's scaling in the software. Ensure your engineering units are scaled correctly from 0 mA instead of the live-zero 4 mA.

• Why is the operating temperature limited to 40°C?

This limit ensures long-term accuracy and reliability of the sensitive analog-to-digital conversion electronics. For hotter environments, ensure adequate panel cooling or consider alternative mounting locations.

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