D4-440 | Koyo DL405 CPU - Discontinued & Obsolete

D4-440 | Koyo DL405 CPU - Discontinued & Obsolete

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Brand : Ram Automations
SKU: RAMA228289
Availability: In Stock
Product Type: simple

The Koyo D4-440 DL405 CPU (Part No. D4-440) is a high-performance central processing unit designed for the DirectLOGIC 405 series programmable...

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The Koyo D4-440 DL405 CPU (Part No. D4-440) is a high-performance central processing unit designed for the DirectLOGIC 405 series programmable logic controllers (PLCs). Operating on 120–240 VAC, this CPU offers a total memory capacity of 22.5K words, with 15.5K allocated for program storage and 7.0K for data storage. It supports ladder logic and sequential flowchart (SFC) programming, making it suitable for a wide range of industrial automation applications.

Key Features:

  • 22.5K total memory (15.5K program, 7.0K data)

  • Dual serial communication ports: 1 RS-232 (DB15) and 1 RS-232/RS-422 (DB25)

  • Supports ladder logic and SFC programming

  • Real-time clock/calendar

  • User data retention for up to 5 years with a built-in, user-replaceable lithium battery

  • Requires external 120–240 VAC power supply

  • Compatible with DirectLOGIC 405 series I/O modules

Specifications:

  • Part Number: D4-440

  • Power Supply: 120–240 VAC

  • Total Memory: 22.5K words

  • Program Memory: 15.5K words (RAM, EPROM, or EEPROM)

  • Data Memory: 7.0K words

  • Programming Languages: Ladder Logic and SFC

  • Communication Ports: 1 RS-232 (DB15), 1 RS-232/RS-422 (DB25)

  • Real-Time Clock: Yes

  • Battery Backup: User-replaceable lithium battery

  • Mounting: Designed for DL405 series PLC racks

  • Certifications: UL listed

The Koyo D4-440 CPU is engineered to provide reliable and efficient control in industrial automation systems. Its compatibility with the DL405 series PLCs ensures seamless integration and scalability. Ideal for applications requiring robust processing capabilities, this module delivers consistent performance and durability.

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