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Schneider Electric 140ACI04000

Rated 5/5 on 7 reviews

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MANUFACTURER: Schneider Electric 

DESCRIPTION: Analog Input Module - 16 I Multirange

PRODUCT TYPE INFO: Modicon Quantum


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2 Year warranty

Part Number140ACI04000
ManufacturerSchneider Electric
TypeI/O Modules
Model #140-ACI-040-00
Warranty2 Year
Module formatStandard
Type of filterSingle pole low pass - 3 dB at 34 Hz +/- 25 %
Analogue input number16
Input typeDifferential
Addressing requirement17 input words
Analogue input resolution0...4095 counts 4...20 mA
0...25000 counts 0...25 mA
0...20000 counts 0...20 mA
0...16000 counts 4...20 mA
Absolute maximum input30 mA
Input impedance250 Ohm
Absolute accuracy error+/- 0.125 % of full scale
Linearity error+/- 6 µA max 4...20 mA
+/- 6 µA max 0...25 mA
+/- 6 µA max 0...20 mA
+/- 12 µA max 4...20 mA
Accuracy drift according to temperature<= 0.0050 % of full scale /°C
+/- 0.0025 % of full scale/°C
Common mode rejection> -90 dB 60 Hz
Isolation between channels and bus1780 V AC for 60 s
Update time15 ms 2 wires/4 wires
Fault typeBroken wire 4...20 mA
Local signalling16 LEDs red channel fault
16 LEDs green channel is turned on
1 LED red external fault
1 LED green bus communication is present (Active)
Bus current requirement360 mA
Power dissipation in W5 W

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Repair Benefits

MRO can restore your failed 140ACI04000 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 140ACI04000 we also repair drives, motors, PLCs and more, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 140ACI04000, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 140ACI04000 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Schneider Electric 140ACI04000 Overview

Overview of Schneider Electric 140ACI04000 I/O Module


The Schneider Electric 140ACI04000 is a robust I/O module designed to facilitate seamless integration and reliable performance in industrial automation applications. With its versatile features and high-quality construction, this module stands as a testament to Schneider Electric's commitment to innovation and excellence.

Key Specifications:

The 140ACI04000 is engineered to deliver precise analog input capabilities, boasting 16 channels for differential input. Its standard module format ensures compatibility with various industrial setups, while its single-pole low-pass filter guarantees efficient noise reduction with a 3 dB cutoff frequency at 34 Hz, plus or minus 25%.

Analog Input:

This module offers exceptional analog input resolution, ranging from 0 to 4095 counts for 4-20 mA inputs and various other configurations, ensuring accurate data acquisition across diverse operating conditions. With a maximum input of 30 mA and an input impedance of 250 Ohms, it accommodates a wide range of input signals while maintaining optimal performance.

Accuracy and Precision:

Schneider Electric prioritizes accuracy and precision, evident in the 140ACI04000's impressive specifications. With a maximum absolute accuracy error of only +/- 0.125% of full scale and minimal linearity errors, users can trust the module to deliver consistent and reliable data. Additionally, accuracy drift according to temperature remains minimal, ensuring stability even in fluctuating environmental conditions.

Signal Integrity and Isolation:

Maintaining signal integrity is crucial in industrial environments, and the 140ACI04000 excels in this aspect. It boasts a high common-mode rejection ratio of greater than -90 dB at 60 Hz, minimizing interference and ensuring accurate data transmission. Moreover, the module provides robust isolation between channels and the bus, withstanding voltages of up to 1780 VAC for 60 seconds, enhancing safety and reliability.

Fault Detection and Indication:

Equipped with comprehensive fault detection mechanisms, the 140ACI04000 enhances system reliability and facilitates timely troubleshooting. It features LEDs for local signaling, with 16 red LEDs indicating channel faults and 16 green LEDs indicating active channels. Additionally, external faults and bus communication status are indicated by separate LEDs, enabling quick identification and resolution of issues.

Efficiency and Power Management:

Despite its advanced capabilities, the 140ACI04000 maintains efficient power management, dissipating only 5 watts of power. This ensures minimal energy consumption without compromising performance, making it an environmentally friendly and cost-effective solution for industrial applications.

FAQ about the Schneider Electric 140ACI04000 I/O module:

What is the typical application for the Schneider Electric 140ACI04000 I/O module?

Typical Application: The 140ACI04000 module is commonly used in industrial automation systems for analog input data acquisition. It can be utilized in various applications such as process control, manufacturing, and monitoring systems where precise analog data is required.

How do I configure the analog input channels on the 140ACI04000 module?

Configuration of Analog Input Channels: The analog input channels of the 140ACI04000 module can typically be configured through the programming software provided by Schneider Electric. Users can define parameters such as input range, scaling, and filtering according to the specific requirements of their application.

Can the 140ACI04000 module be used in hazardous environments?

Hazardous Environment Compatibility: While the module itself may not be intrinsically safe for hazardous environments, it can be used in conjunction with appropriate safety measures and enclosures to comply with hazardous area classifications and regulations.

What is the maximum distance allowed between the module and the PLC (Programmable Logic Controller)?

Maximum Distance: The maximum distance between the 140ACI04000 module and the PLC would depend on factors such as cable type, signal integrity requirements, and the communication protocol used. Generally, distances are specified in the PLC documentation and should be adhered to for reliable operation.

Is the 140ACI04000 module compatible with other Schneider Electric PLCs or only with specific models?

Compatibility with Other PLCs: The 140ACI04000 module is designed to be compatible with Schneider Electric PLCs, as well as other systems that support standard industrial communication protocols such as Modbus or Ethernet/IP.

How do I troubleshoot common issues such as broken wire faults or communication errors?

Troubleshooting: Common issues like broken wire faults or communication errors can often be diagnosed using diagnostic tools provided by Schneider Electric or by referring to the module's user manual. Troubleshooting steps may include checking cable connections, power supply, and configuration settings.

Can the 140ACI04000 module be used in conjunction with other I/O modules in a larger control system?

Integration with Other Modules: Yes, the 140ACI04000 module can be used alongside other I/O modules within a larger control system, allowing for expansion and customization to suit specific application requirements.

What programming languages or software tools are supported for configuring and monitoring the module?

Supported Programming Languages/Software: The module can be configured and monitored using programming languages supported by Schneider Electric's programming software suite, such as ladder logic, function block diagrams, or structured text.

Are there any recommended maintenance procedures or regular checks required for optimal performance of the module?

Maintenance Procedures: Regular maintenance procedures for the 140ACI04000 module may include visual inspections, firmware updates, and calibration checks to ensure optimal performance and reliability over time. Schneider Electric's documentation may provide specific guidelines for maintenance tasks.

Contact Us Today For More Information About Schneider Electric Products

Check out the rest of our Schneider Electric product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 140ACI04000, take a look at more from our I/O Modules line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 140ACI04000 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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