Schneider Electric 140CPU4321A Concept Processor Module

The 140CPU4321A is a robust processor module from Schneider Electric’s Modicon Quantum series, built for use in Concept automation systems. This module offers impressive capabilities with its 66 MHz clock frequency, 896 kB of internal RAM, and multiple communication ports, including Modbus Plus and Modbus RS232. It is designed to handle demanding industrial control applications with high reliability.

Key Features of 140CPU4321A

Manufacturer: Schneider Electric
Product Line: Modicon Quantum
Part Number: 140CPU4321A
CPU: 80486 at 66 MHz
Memory: 896 kB Internal RAM
Clock Frequency: 66 MHz
Modbus Communication Ports: 2 Modbus RS232, 1 Modbus Plus
I/O Words (Local/Network/Distributed): 64/64/64
Watchdog Timer: Yes
Battery Type: Lithium, 7 μA
Battery Capacity: 1.2 Ah
Battery Life: 10 years
Bus Current Requirement: 1250 mA
Module Format: Standard
Product Weight: 0.85 kg (1.87 lb)
Switch Function: Key switch
Marking: CE Certified

Detailed Technical Specifications

Specification	Details
Manufacturer	Schneider Electric
Product Line	Modicon Quantum
Part Number	140CPU4321A
CPU	80486 at 66 MHz
Memory	896 kB Internal RAM
Clock Frequency	66 MHz
Modbus Ports	2 Modbus RS232, 1 Modbus Plus
I/O Words (Local/Network/Distributed)	64 / 64 / 64
Watchdog Timer	Yes
Battery Type	Lithium, 7 μA
Battery Capacity	1.2 Ah
Battery Life	10 years
Bus Current Requirement	1250 mA
Module Format	Standard
Product Weight	0.85 kg (1.87 lb)
Switch Function	Key Switch
Certification	CE Certified

Description of 140CPU4321A Processor Module

The 140CPU4321A processor module is part of Schneider Electric‘s Modicon Quantum series, designed for Concept systems that require high-performance control. Powered by an 80486 CPU running at 66 MHz, this module offers substantial computational capabilities for demanding industrial applications. It comes with 896 kB of internal RAM, ensuring ample storage for efficient processing.

This module supports various Modbus communication protocols, including 2 Modbus RS232 ports and 1 Modbus Plus port, which enhances system flexibility and connectivity. It also provides 64 I/O words for local, network, and distributed configurations, making it suitable for diverse control systems.

The 140CPU4321A comes with a watchdog timer to ensure reliability in continuous operations. The module’s lithium battery, with a capacity of 1.2 Ah, provides up to 10 years of life, ensuring long-term maintenance-free operation.

With a bus current requirement of 1250 mA, the 140CPU4321A is designed for high-performance systems. Its standard module format and CE certification make it compatible with a variety of setups in industrial environments. Weighing only 0.85 kg (1.87 lbs), it is compact and lightweight, which facilitates installation and integration into control systems.

Applications for 140CPU4321A

This processor module is ideal for industrial control systems that require moderate I/O management and reliable communication. It is perfect for tasks such as:

Managing control operations for pumps, valves, and conveyors
Enabling communication between different devices in automation systems
Providing basic real-time control in manufacturing environments

Its versatility and compact design make the 140CPU4321A a valuable choice for businesses looking for an efficient, cost-effective solution for their automation needs.