KOYO ELECTRONICS D4-D440DC-1 Logic Cpu Coprocessor 405 24VDC F4-CP128-1

( Brand: Koyo Electronics ), ( Controller Platform: Directlogic 405 ), ( Manufacturer Part Number: D4-D440DC-1 ), ( Type: Cpu ), ( Country Of Manufacture: China ), ( Make: Koyo ), ( Bundle Listing: No ), ( Non-domestic Product: Yes )

Review KOYO ELECTRONICS Direct Logic 405 24vdc Cpu Coprocessor

The Koyo D4-D440DC-1 Logic 405 24VDC CPU Coprocessor is a high-performance digital signal processing solution designed for industrial automation applications. This coprocessor, specifically model F4-CP128-1, is part of Koyo's Logic 405 family and operates using a 24-volt DC power supply.

This coprocessor is designed to enhance the functionality of a programmable logic controller (PLC) by offloading complex mathematical and logical calculations. It features 128 internal non-volatile memory locations for storing custom functions, which can be easily accessed and executed by the connected PLC. The coprocessor supports both floating-point and fixed-point arithmetic operations, making it suitable for a wide range of industrial automation tasks.

The Koyo D4-D440DC-1 Logic 405 coprocessor communicates with the connected PLC using a 16-bit data bus and a 24-bit address bus. It supports both synchronous and asynchronous communication modes, allowing for flexible integration into various automation systems. The coprocessor also includes an internal watchdog timer, ensuring reliable operation and helping to prevent system crashes.

The coprocessor's compact design allows for easy installation and integration with existing automation systems. It is housed in a 54-pin DIP (Dual In-line Package) and measures approximately 3.4 inches (86.4mm) in length and 1.6 inches (40.6mm) in width. The coprocessor is also RoHS compliant, ensuring environmentally friendly manufacturing processes.

The Koyo D4-D440DC-1 Logic 405 F4-CP128-1 CPU Coprocessor is a versatile and powerful solution for industrial automation applications requiring advanced mathematical and logical computations. Its high compatibility with various PLC systems and its ability to offload complex calculations from the main controller make it an essential component for optimizing industrial automation systems.

Pros and Cons of buying a Koyo D4-D440DC-1 Logic 405 24VDC CPU Coprocessor

The Koyo D4-D440DC-1 Logic 405 is a 24VDC coprocessor designed to enhance the performance of certain types of industrial controllers. This device can provide additional functions, such as PID control and data logging, to make your automation system more efficient and responsive. In this article, we will discuss the advantages and disadvantages of purchasing a Koyo D4-D440DC-1 Logic 405 coprocessor.

1. Enhanced functionality: The Koyo D4-D440DC-1 Logic 405 provides additional functions that can help improve the performance and flexibility of your industrial automation system. For instance, it supports PID control, data logging, and other advanced features.

2. Compatibility: This coprocessor is designed to work with various types of industrial controllers, ensuring a wider range of applications and integration possibilities.

3. Reliability: Koyo is a well-known brand in the industrial automation industry, and their products are known for their durability and dependability.

4. Easy installation: The coprocessor is designed to be easily integrated with existing automation systems, making installation a relatively straightforward process.

1. Cost: The Koyo D4-D440DC-1 Logic 405 is a premium coprocessor, and its price may be a significant investment for smaller automation projects.

2. Limited input/output (I/O) channels: Depending on the specific application, the coprocessor may not provide an adequate number of I/O channels for some projects.

3. Complex configuration: Setting up the coprocessor to work with your specific application may require some expertise and time.

The Koyo D4-D440DC-1 Logic 405 coprocessor is a valuable investment for industrial automation projects that require advanced functionality and compatibility. Its ease of installation, reliability, and compatibility make it a popular choice among industrial automation professionals. However, its cost and limited I/O channels may be a significant consideration for smaller projects. Ultimately, the decision to purchase the Koyo D4-D440DC-1 Logic 405 coprocessor depends on the specific requirements and budget of your automation project.

If you have a complex industrial automation project that requires advanced functionality and compatibility, the Koyo D4-D440DC-1 Logic 405 coprocessor is an excellent choice. Its ease of installation, reliability, and compatibility make it a worthwhile investment. However, if you have a smaller project with limited requirements or a tight budget, you may want to consider alternative solutions or focus on essential components first.

Details:

Classification: Used good condition key functions working. Only what is pictured included in this listing. If manuals, software, packaging etc. Power supply used to power this unit is NOT included.

Are not mentioned, they are included. Shipping is via our choice of UPS Ground or USPS Priority Mail. Includes F4-CP128-1 CoProcessor, The unit is used and has some scuffs scrapes from normal wear. Koyo Direct Logic 405 24VDC CPU, model: D4-D440DC-1, Unit has been pulled from a retired machine.

part #: d4d440dc1 prices

• $349.05-$600.00

specifications plcmechanize:

• brand: Koyo Electronics
• controller platform: Directlogic 405
• manufacturer part number: D4-D440DC-1
• type: Cpu
• country of manufacture: China
• make: Koyo
• bundle listing: No
• non-domestic product: Yes

returns plcmechanize:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

offer plcmechanize:

• availability: In Stock
• quantity: 1
• started: April 6, 2026
• best offers: True
• sold: 0
• options: Ship-to-home

general plcmechanize:

• condition: Used
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

seller plcmechanize:

• # reviews: 12531
• city: Abington, Massachusetts
• rating: 99.7%

payments plcmechanize:

• credit card: Mastercard
• wallet: Apple-pay
• other

shipping plcmechanize:

• class: Standard
• transit: 3-7 Days
• type: Fixed
• cost: $17.95
• service: Standard

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