140ACI04000 | Schneider Electric | Analogue Input Module

Product Description

The 140ACI04000 analogue input module is part of the Schneider Electric Modicon Quantum automation platform. It provides high-density differential signal acquisition with robust isolation, precise resolution, and integrated fault detection. Designed for demanding industrial environments, it ensures accurate measurement of current signals with minimal drift and fast update times.

Key Features

• Product Range: Modicon Quantum automation platform

• Type: Analogue input module

• Filter Type: Single-pole low-pass, -3 dB at 34 Hz ±25%

• Number of Inputs: 16 differential channels

• Addressing Requirement: 17 input words

• Resolution:

  • 0–16000 counts (4–20 mA)

  • 0–20000 counts (0–20 mA)

  • 0–25000 counts (0–25 mA)

  • 0–4095 counts (4–20 mA legacy format)

• Absolute Maximum Input: 30 mA

• Input Impedance: 250 Ω

• Accuracy:

  • ±0.125% of full scale typical

• Linearity Error:

  • ±12 µA max (4–20 mA)

  • ±6 µA max (0–20 mA, 0–25 mA)

• Temperature Drift:

  • ±0.0025% of full scale/°C typical

  • ≤ ±0.005% of full scale/°C maximum

• Common Mode Rejection: > -90 dB at 60 Hz

• Isolation:

  • Channel-to-bus: 1780 V AC for 60 s

• Update Time: 15 ms (2-wire/4-wire)

• Fault Detection: Broken wire (4–20 mA)

• Indicators:

  • 1 green LED for bus communication

  • 1 red LED for external fault

  • 16 green LEDs for channel active

  • 16 red LEDs for channel fault

• Bus Current Requirement: 360 mA

• Power Dissipation: 5 W

• Format: Standard Quantum module

• Weight: 0.3 kg (0.7 lb US)

Environmental Ratings

• Operating Temperature: 0–60 °C (32–140 °F)

• Storage Temperature: -40–85 °C (-40–185 °F)

• Relative Humidity: Up to 95% non-condensing

• Altitude: ≤ 5000 m (16404 ft)

• Electrostatic Discharge Resistance: 4 kV contact, 8 kV air (IEC 801-2)

• Electromagnetic Field Resistance: 9.1 V/m (IEC 801-3, 80–1000 MHz)

Compliance & Certifications

• CE Marking

• UL 508

• CSA C22.2 No.142

• FM Class 1 Division 2

• cUL

Application Scenarios

This 16-channel analogue input module is ideal for monitoring industrial process variables such as current loops in automation systems. Its high resolution, strong isolation, and fault detection make it suitable for precision control in manufacturing, utilities, and energy distribution.

FAQ

Q: What types of signals can this module measure? A: It supports current signals in ranges of 4–20 mA, 0–20 mA, and 0–25 mA.

Q: How does the module detect faults? A: It identifies broken wires in 4–20 mA loops and provides LED fault indication per channel.

Q: What is the resolution of the analogue inputs? A: Up to 25,000 counts depending on the input range.