Schneider ALU 201 CPU Module | Processor Unit for Controllers

Technical Overview of This Processor Unit

The Schneider ALU 201 serves as the central brain for automation systems. This processor module belongs to Schneider Electric’s legacy controller family. It manages logic execution and data processing tasks efficiently. You can integrate it with various I/O modules for complete control.

Hardware Specifications and Design Details

This CPU module weighs approximately 0.35 kg. Its compact dimensions are 130 mm in height, 40 mm in width, and 110 mm in depth. The Schneider ALU 201 includes one built-in RS232 serial interface. This interface supports programming and field device communication. The module contains no internal energy storage components. Therefore, it does not retain data after a power loss.

Parameter	Specification
Manufacturer	Schneider Electric
Model	ALU 201
Category	CPU Module (Processor Unit)
Weight	0.35 kg (0.77 lbs)
Dimensions (H x W x D)	130 x 40 x 110 mm
Interfaces	1 x RS232 serial port
Number of Components	Single board with microprocessor
Energy Storage	None (no battery or capacitor backup)
Power Supply	24 V DC external
Mounting	DIN rail or panel

Integration and Usage Guidelines

You can mount the Schneider ALU 201 on a standard DIN rail. It connects to input and output modules via a backplane bus. Furthermore, you need an external memory cartridge for program backup. Always use a regulated 24 V DC power supply. This practice ensures stable processor operation.