Description

The Schneider Electric 140CPU4321A is a high-performance central processing unit (CPU) module designed for the Modicon Quantum automation platform. This processor is engineered to handle complex control tasks in industrial environments, offering reliable execution of logic and data management. It is compatible with industry-standard programming software such as ProWORX32 and Concept, ensuring seamless integration into existing control architectures.

Features

• Processor: 80486 architecture operating at 66 MHz.
• Memory: 896 kB of internal RAM for application storage and data processing.
• Performance: Execution speed of 0.1 to 0.5 ms per 1 Kinstruction (LL984).
• Network Capacity: Supports up to 63 distributed drops and 31 remote drops.
• System Monitoring: Integrated watchdog timer set to 250 ms for system integrity.
• Power Consumption: 1250 mA bus current requirement.

Technical Specifications

Installation Guidelines

• Ensure the PLC rack is powered down before inserting or removing the CPU module to prevent electrical damage.
• Verify that the module is fully seated in the designated slot and that the locking mechanism is engaged.
• Maintain proper ventilation in the control cabinet to ensure the module operates within its specified temperature range of 0 to 60 degC.
• Use shielded communication cables for network connections to minimize EMI interference.
• Adhere to standard ESD (Electrostatic Discharge) handling procedures when touching internal components or connectors.

FAQ

What software is required to program the 140CPU4321A?
This module is compatible with Schneider Electric ProWORX32 and Concept programming software packages.

What is the typical clock drift for this unit?
The clock drift is rated at approximately +/- 8 seconds per day when operating within the temperature range of 0 to 60 degC.

Does this module support remote I/O?
Yes, the 140CPU4321A supports up to 31 remote drops and 63 distributed drops, making it suitable for scalable automation systems.