Product Overview

The Schneider 140CPU43412A is a high – performance programmable logic controller (PLC) that plays a pivotal role in the Modicon Quantum automation platform. This central controller is designed to meet the complex demands of industrial automation. It serves as the brain of the system, efficiently handling control logic and making critical decisions for a wide range of industrial processes. With its advanced capabilities, the 140CPU43412A can execute complex control algorithms and manage data processing tasks, ensuring the smooth operation of automated systems. Its role in an automation setup is to connect and control various industrial equipment such as motors, pumps, and valves, providing real – time monitoring and control. This makes it a valuable asset in industries where precision, reliability, and high – speed data processing are essential.

Technical Specifications

Parameter Value
Product Model 140CPU43412A
Manufacturer Schneider
Product Type Processor
Processor Name 80486 Mathematical Coprocessor
Clock Frequency 66 MHz
Memory Description Internal RAM 896 kb
Exact Time for 1 KInstruction 0.1 – 0.5 ms
Watchdog Timer 250 ms
Clock Drift ±8 s/day at 0 – 60 °C
I/O Words (Max Local) 64 I / 64 O
I/O Words (Remote) 64 I / 64 O
I/O Words (Distributed) 30 I / 32 O
Distributed Drops / Network 63
Distributed Number of Drops 31
Remote Number of Network 2
Battery Type Lithium 7 μA 210 μA
Battery Capacity 1.2 ah
Battery Life 10 yr
Number of Ports 1 Modbus Plus, 2 Modbus RS232
Communication Module Processor Capacity 6 NOM, NOE, CR, NMS
Switch Function Key Switch
Marking CE
Bus Current Requirement 1250 mA
Module Format Standard
Product Weight 1.87 lb (0.85 kg)
Ambient Air Temperature for Operation 32 – 140 °F (0 – 60 °C)
Ambient Air Temperature for Storage – 40 – 185 °F (- 40 – 85 °C)
Relative Humidity 95% without condensation
Operating Altitude ≤16404.2 ft (5000 m)

Key Features and Benefits

The 140CPU43412A offers several key features that set it apart in the industrial automation landscape. Its high – performance 80486 processor, running at 66 MHz, enables rapid execution of control programs. This results in fast response times, which are crucial for real – time control applications. For example, in a high – speed manufacturing line, the 140CPU43412A can quickly process sensor data and adjust the operation of machinery to maintain optimal production rates.

Bently 330-980-71-05 Proximity Probe System, Industrial Vibration Monitoring

The controller has an internal RAM of 896 kb, providing ample space for storing control programs and data. This large memory capacity allows for the implementation of complex control strategies. In a petrochemical plant, the 140CPU43412A can store and manage vast amounts of process data, ensuring accurate control of chemical reactions.

 

With one Modbus Plus and two Modbus RS232 ports, the 140CPU43412A offers excellent communication capabilities. It can easily integrate with other industrial devices such as HMIs, other PLCs, and sensors. This seamless integration enhances the overall functionality of the automation system, allowing for better data exchange and coordinated operation.

 

The lithium – powered battery, with a capacity of 1.2 ah and a lifespan of 10 years, ensures that the controller can retain program and data during power outages. This feature is vital in industries where continuous operation is critical, like power generation, where any interruption could lead to significant disruptions.

Application Scenarios

The Schneider 140CPU43412A finds applications in a wide range of industries. In the manufacturing sector, it is used to control assembly lines. For instance, in an automotive manufacturing plant, the 140CPU43412A can manage the operation of robotic arms, conveyor belts, and other automated equipment. It ensures that parts are assembled accurately and efficiently, leading to high – quality production.

Bently 330-980-71-05 Proximity Probe System, Industrial Vibration Monitoring

In power plants, the 140CPU43412A plays a crucial role in monitoring and controlling power generation processes. It can regulate the operation of turbines, generators, and other power – related equipment. By processing data from various sensors, it ensures stable power output and helps in detecting and preventing potential equipment failures.

 

In water treatment plants, this controller is used to automate the treatment process. It can control the opening and closing of valves, the operation of pumps, and the monitoring of water quality parameters. For example, it can adjust the dosage of chemicals based on the real – time water quality data, ensuring that the treated water meets the required standards.

 

In the oil and gas industry, the 140CPU43412A is used in refineries to control complex processes such as distillation and cracking. It can manage the flow of crude oil and its derivatives, ensuring safe and efficient operation of the refinery.

Related Models

  • 140CPU43412U: This is the replacement model for the 140CPU43412A, likely offering enhanced features or improved performance.
  • 140CPU31110: It is a part of the Quantum PLC family, but with different processing capabilities and features compared to the 140CPU43412A, perhaps suitable for less complex applications.
  • 140CPU53414A: Another Quantum PLC processor, it may have different memory configurations or communication capabilities, making it more suitable for specific industrial scenarios compared to the 140CPU43412A.
  • 140CPU65150: This model has the ability to use aux tasks numbered 0 thru 3, which is different from the 140CPU43412A that only allows a fast and a mast task, thus catering to different programming requirements.
  • 140CPU67160: It also supports aux tasks and has features that may be more suitable for large – scale, high – performance industrial automation setups compared to the 140CPU43412A.

Installation and Maintenance

Installation preparation for the 140CPU43412A requires ensuring there is sufficient physical space within the control cabinet. The cabinet should be well – ventilated to maintain an appropriate operating temperature range of 32 – 140 °F (0 – 60 °C). Proper grounding is essential to protect the controller from electrical surges and ensure reliable operation. The 140CPU43412A has a standard module format, which simplifies the mounting process. It can be easily installed in a rack – based system following the provided installation guidelines.

 

For maintenance, regular checks should be carried out on the communication ports to ensure there are no issues with data transfer. The battery, located on the front of the cpu, should be inspected periodically. Although it has a lifespan of 10 years, visual inspection can help detect any signs of leakage or degradation. The memory – protect switch should also be checked to ensure it is functioning correctly to safeguard the application program. In case of any hardware failures, the modular design of the 140CPU43412A allows for easy replacement of faulty components without disrupting the entire system.

Product Warranty

We are confident in the quality of the Schneider 140CPU43412A. It comes with a comprehensive warranty that reflects our commitment to customer satisfaction. In the unlikely event of a defect in materials or workmanship, we will provide prompt support. Our global support network is available to assist customers around the world. Whether it’s a technical query or a warranty claim, our team of experts is ready to help. The warranty period ensures that you can rely on the 140CPU43412A for a significant period, providing peace of mind and protection for your investment in this high – performance industrial controller.