Schneider AS-B875-111 Analog Input Module

The Schneider AS-B875-111 is a highly versatile analog input module designed for precise differential signal measurement. Featuring 8 input channels, it supports various voltage and current input ranges, making it suitable for numerous industrial applications. This module provides high accuracy and fast throughput, ensuring optimal performance in demanding environments.

Key Features of the Schneider AS-B875-111

8 Differential Input Channels: Accommodates multiple signals, enhancing measurement flexibility.
Wide Input Range: Supports voltages from 1-5 VDC to ±10 V and currents from 4-20 mA to ±20 mA.
High Input Resistance: Voltage mode resistance exceeds 10 MΩ, minimizing loading effects.
Precision Filtering: Includes a single-pole low-pass filter with a 48 Hz cutoff frequency.
Robust Input Protection: Withstands 120 V RMS for normal and common mode.
Fast Throughput: Processes 8 channels in 10 ms and 16 channels in 20 ms.
High Conversion Resolution: Provides more than 12-bit resolution for accurate measurements.
Electrical Isolation: Rated at 1500 VAC RMS for one minute, ensuring safety in high-voltage environments.
Low Power Consumption: Requires 5V at 500 mA and 4.3V at 900 mA, promoting energy efficiency.

Technical Specifications for Schneider AS-B875-111

Feature	Specification
Manufacturer	Schneider Electric
Product Type	Analog Input Module
Product Line	800 Series
Part Number	AS-B875-111
Weight	2.00 lbs (0.91 kg)
Number of Inputs	8 Differential Inputs
Input Range (Voltage)	1–5 VDC, 0–5 VDC, 0–10 V, ±5 V, ±10 V
Input Range (Current)	4–20 mA, 0–20 mA, ±20 mA
Analog Filter	Single-pole low-pass, -3 dB cutoff at 48 Hz
Input Resistance (Voltage Mode)	>10 MΩ (in range), 10 kΩ (out of range)
Input Resistance (Current Mode)	250 Ω ±0.05%
Input Protection	120 V RMS (Normal and Common Mode)
Throughput Time	10 ms (for 8 channels), 20 ms (for 16 channels)
Accuracy	0.1% absolute over temperature range
Conversion Resolution	>12 bits
Linearity Error	0.05% of full scale
Isolation	1500 VAC RMS for 1 minute
Power Requirements	5V at 500 mA, 4.3V at 900 mA
Terminal Connector	AS-8535-000

Product Description

The Schneider AS-B875-111 is an ideal solution for handling differential analog inputs in industrial control systems. This analog input module supports 8 channels and features a broad voltage input range of 1-5 VDC, 0-5 VDC, 0-10 V, and ±10 V. Additionally, it can process current inputs from 4-20 mA to ±20 mA, providing wide compatibility across different sensor types.

With an input resistance of >10 MΩ in voltage mode (within the range), the module ensures minimal interference, ensuring accurate signal measurement. In current mode, the resistance is maintained at 250 Ω ±0.05%, guaranteeing stable performance.

For signal conditioning, the AS-B875-111 includes a single-pole low-pass filter with a -3 dB cutoff frequency at 48 Hz, making it perfect for cleaning up noisy signals. The module also offers input protection up to 120 V RMS, providing extra security against voltage spikes.

With a throughput time of 10 ms for 8 channels and 20 ms for 16 channels, this module ensures fast and reliable data processing. It also offers greater than 12-bit resolution, which enables precise measurements, while its linearity error remains at only 0.05% of the full scale.

The AS-B875-111 module offers 1500 VAC RMS isolation for one minute, ensuring safe operation even in high-voltage environments. Power requirements are efficient, needing 5V at 500 mA and 4.3V at 900 mA. The required terminal connector for this module is the AS-8535-000.