Description
Schneider 140ACI04000
1. Overview
Schneider 140ACI04000 is a high-density industrial-grade analog input module. As the core data acquisition component in industrial automation and process control systems, it is mainly positioned to realize accurate collection, stable transmission and real-time monitoring of multi-channel analog signals, meeting the parameter acquisition needs of various industrial scenarios such as power, metallurgy, water treatment and building control.
Its main function is to integrate 16 differential analog input channels relying on high-precision acquisition circuits, which can flexibly adapt to various current signals such as 4-20mA, 0-20mA, 0-25mA and 1-5V voltage signals. With high resolution and excellent anti-interference ability, it can accurately collect key process parameters such as on-site temperature, pressure, flow and current. It has a built-in complete fault diagnosis function, supports 4-20mA loop open-circuit detection, and can timely feed back channel fault status. At the same time, it has good channel isolation performance to ensure the stability and accuracy of signal acquisition.
2. Product Parameters
| Parameter Name | Detailed Specifications |
|---|---|
| Model | 140ACI04000 |
| Manufacturer | Schneider Electric |
| Product Series | Schneider Modicon Quantum Series |
| Product Type | Industrial-grade analog input module, high-density 16-channel differential input module |
| Compatible Devices | Matched with Schneider Modicon Quantum series racks and control systems; compatible with Unity Pro programming software; connectable with various analog sensors and transmitters; compatible with SCADA systems and energy management systems, supporting signal acquisition and data upload |
| Power Supply Parameters | Bus Current Requirement: 360mA; Power Consumption: 5W; Powered by Quantum series rack backplane to ensure stable operation |
| Communication Parameters | Supports Modbus RTU communication protocol; realizes data interaction with CPU module through rack backplane, no additional communication interface required, simplifying system wiring |
| Acquisition Performance | 16 differential analog input channels; Supported Signal Types: 4-20mA, 0-20mA, 0-25mA current signals, 1-5V voltage signal; Full-channel update time: 15ms (2-wire/4-wire) |
| Accuracy & Resolution | Absolute Accuracy: ±0.125% Full Scale; Maximum Linear Error: ±6μA; Resolution: 4-20mA corresponds to 0-16000/0-4095 counts, 0-20mA corresponds to 0-20000 counts, 0-25mA corresponds to 0-25000 counts |
| Physical Parameters | Dimensions: 4.8cm×16.5cm×31cm; Weight: 450g; Structure: Standard Quantum single-width module, suitable for cabinet installation; Equipped with LED indicators (per-channel status, module communication, fault indication) |
| Isolation & Anti-interference | Isolation between Channel and Bus: 1780V AC (60 seconds); Isolation between Channels: 30V DC; Common Mode Rejection Ratio (CMRR) > 90dB (60Hz); Built-in 34Hz cut-off single-pole low-pass filter with excellent anti-interference ability |
| Environmental Parameters | Operating Temperature: 0℃ to 60℃; Storage Temperature: -40℃ to 85℃; Dustproof and moistureproof design, suitable for complex working conditions of industrial sites |
| Core Functions | 16-channel differential analog acquisition, multi-type signal adaptation, high-precision data transmission, loop open-circuit detection, fault diagnosis, anti-interference filtering, seamless integration with Quantum system, support for PLC I/O configuration |
3. Technical Features
- High-density Multi-channel Acquisition: Integrates 16 differential analog input channels, enabling synchronous acquisition of multiple parameters in a single slot, which greatly saves rack slot space, reduces system hardware configuration costs, adapts to large-scale analog acquisition scenarios, and meets multi-parameter monitoring needs without adding additional modules.
High Accuracy & Stability: The absolute accuracy reaches ±0.125% full scale, the linear error is controlled within ±6μA, different signal types correspond to different resolutions, up to 25000 counts, ensuring the accuracy of collected data; the full-channel update time is only 15ms, realizing real-time data acquisition and providing timely support for control decisions.
- Flexible Signal Adaptation: Supports multiple current signals (4-20mA, 0-20mA, 0-25mA) and 1-5V voltage signal, which can be adapted to various analog sensors and transmitters without additional conversion modules, flexibly meeting the signal acquisition needs of different industrial scenarios with strong compatibility.
Excellent Anti-interference & Isolation Performance: It has 1780V AC high isolation capacity between channels and the bus, 30V DC isolation between channels, and CMRR > 90dB. The built-in low-pass filter effectively suppresses electromagnetic interference and harmonic interference on industrial sites, avoiding signal distortion; at the same time, it ensures the power supply safety of the module and the system, preventing fault spread.
- Complete Fault Diagnosis & Convenient O&M: Supports 4-20mA loop open-circuit detection, equipped with per-channel LED indicators (green for normal, red for fault) and module communication indicators, which can intuitively display channel operation status and fault information, facilitating staff to quickly locate fault points, shorten O&M time and reduce O&M costs; compatible with Unity Pro programming software, facilitating parameter configuration and debugging.
- Industrial-grade High Reliability: Adopts standard Quantum single-width module design with a solid structure and a weight of only 450g, suitable for cabinet installation; the operating temperature ranges from 0℃ to 60℃, with a wide storage temperature range, and has passed multiple international certifications such as UL 508 and CSA, which can adapt to complex industrial working conditions such as metallurgy and water treatment, with strong long-term operation stability and low failure rate.
4. Application Scenarios
(1) Industrial Automation & Manufacturing Field
Widely used in iron and steel plants, electronic manufacturing plants, mechanical processing plants and other scenarios. As the core analog acquisition module, it real-time collects key parameters of the production line such as temperature, pressure, flow, motor current and valve opening, interacts with PLC and SCADA systems through Modbus RTU protocol, provides accurate data support for production process adjustment, optimizes production processes, improves product qualification rate, and monitors equipment operation status to prevent equipment failures.
(2) Power & Energy Management Field
Suitable for smart substations, energy management systems, photovoltaic power stations and other scenarios. It collects analog data such as voltage, current and power of the power system, as well as photovoltaic inverter output parameters, realizing energy consumption monitoring and optimization; relying on high-precision acquisition performance, it ensures the accuracy of power parameter monitoring, provides data basis for energy scheduling and energy conservation, and ensures the stable operation of the power system.
(3) Water Treatment Field
Applied in large water plants, sewage treatment plants and other scenarios, it real-time collects analog signals such as water quality parameters (pH value, turbidity), water tank liquid level and water pump operation pressure. Through the fault diagnosis function, it can timely detect problems such as sensor disconnection, ensuring the continuity of the water treatment process; it links with the control system to realize automatic adjustment of pumps and valves, ensuring up-to-standard discharge of water treatment and improving water treatment efficiency.
(4) Building & Other Industrial Scenarios
