Honeywell 2MLK-CPUS PLC Central Processing Unit

2MLK-CPUS Honeywell MasterLogic-200 Central Processing Unit

The 2MLK-CPUS is the central processing unit for Honeywell's MasterLogic-200 programmable logic controller series. This CPU module serves as the main controller for industrial automation systems. It provides substantial I/O capacity and programming memory for complex control applications.

Core Specifications and Identification

• Manufacturer and Model: This is a Honeywell product from the MasterLogic-200 series.
• Part Number: The specific catalog number is 2MLK-CPUS.
• Product Type: Functions as the main CPU Central Processing Unit module.
• Programming Standard: Uses non IEC standard programming.

Capacity and Performance Specifications

• Maximum I/O Capacity: Supports up to 3,072 I/O points total.
• Program Memory: Provides 32,000 program steps for application logic.
• Data Memory: Includes 16 KB of data register memory for variables and parameters.
• Scan Time: Typical scan time of 0.1 microseconds per basic instruction.
• High-Speed Counter: Supports 4 independent high-speed counters up to 100 kHz.

Communication and Network Capabilities

• Built-in Ports: Features RS-232C and RS-485 communication ports.
• Network Protocols: Supports Modbus RTU, Modbus ASCII, and Honeywell peer-to-peer protocols.
• Expansion Modules: Can connect to up to 7 local expansion I/O racks.
• Network Expansion: Supports additional network modules for Ethernet, Profibus-DP, and DeviceNet.

Power and Physical Specifications

• Supply Voltage: Operates on DC 24V with a range of 19.2V to 28.8V.
• Current Consumption: Typically 300 mA at 24V DC.
• Battery Backup: Includes built-in lithium battery for program and data retention.
• Battery Life: Approximately 5 years under normal operating conditions.
• Operating Temperature: Functions from 0°C to 55°C.
• Storage Temperature: Can be stored from -25°C to +70°C.

Programming and Diagnostics

• Programming Language: Uses ladder logic programming with function blocks.
• Online Editing: Supports online program modification during operation.
• Diagnostic Functions: Comprehensive diagnostics including I/O status monitoring, system error logs, and real-time clock.
• Real-Time Clock: Built-in clock with ±2 minutes per month accuracy.

Environmental Specifications

• Operating Humidity: 5% to 95% RH, no condensation.
• Storage Humidity: 5% to 95% RH, no condensation.
• Altitude: Suitable for installation below 2000 meters.
• Vibration Resistance: 10 to 57 Hz with 0.075 mm amplitude.
• Shock Resistance: 15G for 11 ms duration.

Certifications and Compliance

• Standards: Complies with UL 508, CSA, CE, and IEC standards.
• EMC: Meets IEC 61131-2 for electromagnetic compatibility.

Packaging and Shipping

• Package Contents: Includes the 2MLK-CPUS CPU module, lithium battery, and mounting accessories.
• Shipping Methods: Available for international delivery via FedEx, UPS, and DHL services.

Frequently Asked Questions FAQ

• What is the main function of this CPU? The 2MLK-CPUS serves as the brain of the MasterLogic-200 PLC system, executing control logic and managing I/O and communication tasks.
• How many expansion racks can be connected? It supports connection to up to 7 local expansion I/O racks for system expansion.
• What programming software is required? Honeywell's dedicated MasterLogic-200 programming software is required for configuration and programming.
• Does it support redundant configurations? This standard CPU model typically operates as a single controller; refer to Honeywell documentation for redundancy options.

The 2MLK-CPUS provides robust processing power and extensive I/O capacity for demanding industrial automation applications. Its combination of communication options and programming flexibility makes it suitable for various control system requirements. This Honeywell CPU module forms the foundation of reliable MasterLogic-200 control systems.

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