Schneider BMXART0414 4-Ch Isolated Low-Level Temperature Input

Product Overview

The Schneider Electric BMXART0414 is a 4-channel isolated low-level analog input module for Modicon X80, optimized for temperature measurement. It supports thermocouples, RTDs and low-level voltage signals with 15-bit + sign resolution.

• Analogue Input Number: 4 isolated channels
• Input Types: Thermocouple (B, E, J, K, L, N, R, S, T, U), RTD (Pt100, Pt1000, Ni100, Ni1000, Cu10 – 2/3/4-wire), Voltage (±40 mV to ±1.28 V)
• Analogue Input Resolution: 15 bits + sign
• A/D Conversion: Sigma-delta 16 bits
• Read Cycle Time: 200 ms (thermocouple) / 400 ms (RTD)
• Input Impedance: 10 MΩ
• Isolation Voltage: 750 V DC between channels / 1400 V DC channels to bus
• Common Mode Rejection: 120 dB at 50/60 Hz
• Status LEDs: RUN (green), channel diagnostic (green), ERR (red), I/O (red)
• Net Weight: 0.135 kg
• Current Consumption: 150 mA at 3.3 V DC / 40 mA at 24 V DC
• Operating Temperature: 0...60 °C

Key Features

• Full channel isolation for mixed sensor types
• Internal cold-junction compensation support
• First-order digital filtering
• Compatible with Modicon M340 and M580

FAQ

• Which sensors are supported? Thermocouples (B/E/J/K/L/N/R/S/T/U), RTDs (Pt/Ni/Cu 2/3/4-wire) and low-level voltage.
• What is the resolution? 15 bits + sign.
• Is channel isolation available? Yes, isolated between channels.
• How is connection made? Via a 40-way connector.

Installation Guide

1. Install the module in an X80 rack slot.
2. Connect the 40-way terminal block or cordset.
3. Wire sensors according to 2-, 3- or 4-wire configuration and selected type.
4. Configure sensor type, filtering and compensation in EcoStruxure Control Expert.
5. Verify diagnostic LEDs and perform calibration checks if required.

Selection Tips

• Select BMXART0414 for multi-sensor temperature applications requiring isolation.
• Use when mixing thermocouple and RTD signals on the same module.
• For higher density, evaluate the 8-channel BMXART0814.
• Choose the H version for extended temperature or harsh environments.