• Schneider ALU 201L
  • Schneider ALU 201L
  • Schneider ALU 201L
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Schneider Electric Modicon Quantum ALU 201L Logic Processor Module

Schneider Electric Modicon Quantum ALU 201L Logic Processor Module

Description

The ALU 201L is a high-performance logic processor module designed for the Schneider Electric Modicon Quantum automation platform. It serves as the central computational unit, executing complex control algorithms and...

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SKU: ALU 201L
Proveedora: Schneider
tipo: Logic Processor Module
Related Series:

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Description

The ALU 201L is a high-performance logic processor module designed for the Schneider Electric Modicon Quantum automation platform. It serves as the central computational unit, executing complex control algorithms and managing high-speed I/O scanning for distributed control systems. This module is engineered for demanding industrial environments, including petroleum refining, thermal power generation, and large-scale mining, where it ensures precise process synchronization and minimizes production downtime through rapid instruction execution and support for hot-standby redundancy.

Features

  • High-speed 32-bit RISC processing core for efficient logic execution.
  • Supports hot-standby redundancy with bumpless control transfer within one scan cycle.
  • Integrated Modbus Plus and serial (RS232/RS485) communication interfaces.
  • Comprehensive LED diagnostic cluster for real-time status monitoring (RUN, ERR, Mem Act, I/O).
  • Continuous background diagnostic routines for memory, temperature, and battery health.
  • Robust design with IP20 enclosure protection for industrial reliability.

Applications

The ALU 201L is suitable for critical automation tasks in:

  • Oil and gas processing facilities.
  • Thermal and hydroelectric power generation plants.
  • Large-scale mining and material handling systems.
  • Complex manufacturing lines requiring high-speed logic and redundant control.

Technical Specifications

Model ALU 201L
Processor 32-bit RISC, 66 MHz
User Memory 512 kB
Data Memory 1024 kB RAM
Instruction Speed 0.045 microseconds per boolean instruction
Logic Capacity 64k instructions
Power Consumption 12.5 W (2.5 A at 5 V DC)
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C
Humidity 5% to 95% (non-condensing)
Communication Modbus Plus, RS232, RS485

Installation Guidelines

  • Ensure the rack power is disconnected before installing or removing the module.
  • Handle the module using ESD-safe practices to prevent damage to internal circuitry.
  • Slide the module into the designated Quantum backplane slot and secure it using the integrated locking mechanism.
  • Ensure proper ventilation around the rack to maintain operating temperatures within the 0 to 60 deg C range.
  • Use shielded cables for all communication ports to minimize EMI interference in industrial environments.
  • Verify that the backup battery is installed and connected to maintain memory during power-off states.

Compliance and Certifications

The ALU 201L complies with the following standards: CE, UL 508, CSA C22.2, FM Class 1 Div 2, and IEC 61131-2.

FAQ

What is the primary function of the ALU 201L?

The ALU 201L acts as the central logic processor for the Modicon Quantum system, responsible for executing user logic programs and coordinating communication across the I/O and network interfaces.

Does this module support redundancy?

Yes, the ALU 201L supports hot-standby redundancy, allowing it to synchronize with a secondary processor for seamless failover in critical applications.

What type of battery is required for memory backup?

The module utilizes a 3.6 V, 1.2 Ah Lithium battery to maintain volatile memory during power loss.