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Schneider Electric 140ACI04000 Modicon Quantum Analog Input Module

Schneider Electric 140ACI04000 Modicon Quantum Analog Input Module

Product Description

The 140ACI04000 is a 16-channel Analog Input (AI) module for the Modicon Quantum platform by Schneider Electric. It is designed to interface with field transmitters using 4–20 mA or 0–20 mA...

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SKU: 140ACI04000
Vendor: Schneider
Category: Analog Input Module
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Product Description

The 140ACI04000 is a 16-channel Analog Input (AI) module for the Modicon Quantum platform by Schneider Electric. It is designed to interface with field transmitters using 4–20 mA or 0–20 mA current loops, converting continuous process signals into digital data for the Quantum CPU.

With high-density input capability and strong measurement accuracy (±0.125% FS at 25°C), the module is well suited for monitoring critical variables such as pressure, temperature, level, and flow. Its 250 Ω input impedance ensures stable signal acquisition, even over long cable runs. The compact 16-channel format helps reduce cabinet space in large-scale automation systems.

Technical Specifications

Parameter Specification
Model 140ACI04000
Platform Modicon Quantum
Module Type Analog Input (AI)
Channels 16 single-ended inputs
Input Range 4–20 mA or 0–20 mA (software configurable)
Addressing 17 input words (16 data + 1 status)
Input Impedance 250 Ω
Absolute Max Input 30 mA (current limited)
Accuracy ±0.125% FS @ 25°C
Power Dissipation 5 W (max)
Operating Temperature 0°C to 60°C
Storage Temperature -40°C to 85°C
Max Altitude ≤ 5000 m
Humidity 95% RH, non-condensing
Weight 0.3 kg

Application

The 140ACI04000 is commonly used in:

  • Chemical processing and refineries

  • Municipal wastewater treatment plants

  • Power generation facilities

  • Distributed pump stations and conveyor systems

It aggregates multiple transmitter signals into the Quantum CPU for PID control, trending, diagnostics, and alarm management, making it ideal for high-channel-count process monitoring.

FAQ

Q1: Does this module support voltage inputs?
No. It is optimized for current (mA) inputs. For voltage signals (e.g., 0–10 V), the 140AVI series should be used.

Q2: Why does it require 17 words for 16 channels?
Sixteen words store the analog values, and one additional word provides module status and diagnostic information.

Q3: Is external power required for field transmitters?
Yes. The module measures loop current, but a separate 24 V DC supply is typically required to power the field devices.