D4-454 | Automation Direct DirectLogic 405 PLC CPU 31.5K Memory

Automation Direct · PLCs & Industrial Controllers

Description  The Automation Direct D4-454 is a DirectLogic 405 CPU module designed for high-capacity PLC control applications requiring discrete processing and communication flexibility. It features 31.5K words of ladder memory and multiple built-in serial communication ports. This CPU requires an external 120–240 VAC power source and is engineered for industrial automation systems demanding reliable performance.     Technical Specifications  Condition New/Never Used Surplus Brand Automation Direct Category PLC Modules Part Number D4-454 Subcategory PLC CPU Modules Series DirectLogic 405 Ladder Memory 31.5K Words Communication Ports (1) RS-232 DB15, (1) RS-232 RJ12, (2) RS-232/RS-422 DB25 Interrupt Inputs 16 Points Input Voltage 100–120 VAC; 196–240 VAC (+10% / -15%) Output Voltage 20–28 VDC Max Power Consumption 50 VA Max Inrush Current 20 A Ambient Operating Temperature 32°F to 140°F (0°C to 60°C) Storage Temperature –4°F to 158°F (–20°C to 70°C) Vibration Resistance MIL STD 810C, Method 514.2 Power Requirement External 120–240 VAC Battery Included Weight 2.5 lb   Information About D4-454 The D4-454 is part of the DirectLogic 405 series and functions as the central processing unit within a DL405 PLC rack. It provides 31.5K words of ladder program memory and supports up to 16 interrupt input points for responsive control applications. The module includes multiple communication interfaces, including one RS-232 (DB15), one RS-232 (RJ12), and two configurable RS-232/RS-422 (DB25) ports, enabling flexible integration with peripherals and supervisory systems. Designed for operation in industrial environments, it supports a wide input voltage range and includes a battery for memory retention. Key Features: 31.5K Words Ladder Memory: Supports large and complex control programs. Multiple Serial Communication Ports: Includes RS-232 (DB15), RS-232 (RJ12), and dual RS-232/RS-422 (DB25) interfaces. DirectLogic 405 Platform: Designed for integration within DL405 PLC systems. External 120–240 VAC Power Required: Compatible with industrial AC supply ranges. 16 Interrupt Inputs: Enables rapid response to time-critical events. Battery-Backed Memory: Maintains program data during power loss. Wide Operating Temperature Range: Operates from 32°F to 140°F (0°C to 60°C). Rugged Industrial Design: Meets MIL STD 810C vibration resistance standards. The D4-454 delivers the reliability and precision required for high-capacity PLC control and communication-intensive industrial automation systems.

Brand: Automation Direct · Category: PLCs & Industrial Controllers

Key features

• 31.5K Words Ladder Memory: Supports large and complex control programs.
• Multiple Serial Communication Ports: Includes RS-232 (DB15), RS-232 (RJ12), and dual RS-232/RS-422 (DB25) interfaces.
• DirectLogic 405 Platform: Designed for integration within DL405 PLC systems.
• External 120–240 VAC Power Required: Compatible with industrial AC supply ranges.
• 16 Interrupt Inputs: Enables rapid response to time-critical events.
• Battery-Backed Memory: Maintains program data during power loss.
• Wide Operating Temperature Range: Operates from 32°F to 140°F (0°C to 60°C).
• Rugged Industrial Design: Meets MIL STD 810C vibration resistance standards.

Specifications

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