E4809-436-014-A

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The Okuma E4809-436-014-A Main Card is a high-performance component designed for industrial processing with a 5V DC power supply and advanced memory management. It integrates 16 NEC D41256D DRAM ICs for enhanced memory efficiency. Its 74LS244N octal buffer ensures smooth signal transmission for reliable processing and control.

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Product Description:

The Okuma E4809-436-014-A Main Card is a key component in the OPUS 5000 series that is designed for industrial grade processing and memory management. It features a multi layer FR4 PCB construction with a green solder mask.

The E4809-436-014-A main card is approximately 17 cm in length and 7 cm in width. It has two long dual row socket connectors on the backside for interfacing. This ensures seamless communication with the main system. Four circular mounting holes are located at each corner that provides mechanical stability. This card is built with advanced memory and logic components for reliable performance. It features 16 NEC D41256D DRAM ICs each with a 256 K bit capacity arranged in two parallel rows to enhance memory efficiency. For data buffering, the SN74LS244N octal buffer and line driver is implemented. This ensures smooth signal transmission between memory and processing units. Additional logic ICs include 74LS500P, a custom IC for control logic and HD74LS837P which aids in address decoding and synchronization. The bus control and address decoding functions are likely handled by a combination of 74LS244N and 74LS500P ICs. The integration of these logic components enhances this card's capability to process and transfer data accurately.

The power and passive components of this E4809-436-014-A main card contribute to its stable operation. The board is powered via a backplane connector supporting a 5 V DC power supply suitable for TTL logic ICs. Noise suppression and circuit stability are achieved through 0.1 µF ceramic bypass capacitors. A 10.7µF tantalum or electrolytic capacitor is also incorporated that serves as a power filter to regulate voltage fluctuations. The well structured power design of this card ensures minimal signal interference.

Address Decoding ICs
HD74LS837P
Communication Protocol
Modbus RTU
Connector Type
Two Long Dual-row Socket Connectors
Control Logic ICs
74LS500P (custom IC)
Data Buffering
SN74LS244N octal buffer and line driver
Dimensions
17 cm (L) x 7 cm (W)
Max Current
10A
Memory ICs
16 NEC D41256D DRAM ICs (256 K bit each)
Mounting
Four Mounting Holes
Operating Temperature
-10 to +60°C
Power Supply
100-240VAC
Weight
2.5kg

Frequently Asked Questions about E4809-436-014-A:

Q: What is the memory configuration of the Okuma E4809-436-014-A Main Card?

A: The Okuma E4809-436-014-A Main Card features 16 NEC D41256D DRAM ICs with a 256 K bit capacity each. These are arranged in two parallel rows to enhance memory efficiency and ensure reliable performance.

Q: How does the Okuma E4809-436-014-A Main Card handle signal transmission?

A: The card uses an SN74LS244N octal buffer and line driver to ensure smooth signal transmission. This helps to manage the data flow between memory and processing units without any interruptions or data loss.

Q: What power supply does the Okuma E4809-436-014-A Main Card require?

A: The card is powered through a backplane connector that supports a 5V DC power supply. This is ideal for TTL logic ICs, ensuring a stable and efficient operation within industrial environments.

Q: What are the mechanical features of the Okuma E4809-436-014-A Main Card?

A: The card has four circular mounting holes for mechanical stability. It is also designed with dual row socket connectors that enable seamless communication with the main system, ensuring efficient data transfer and stability.

Q: What components help with noise suppression and stability on the Okuma E4809-436-014-A Main Card?

A: The card incorporates 0.1 µF ceramic bypass capacitors for noise suppression. Additionally, a 10.7µF tantalum or electrolytic capacitor is included to regulate voltage fluctuations, enhancing circuit stability and minimizing signal interference.


Internal Product Review

  • ‘‘The Okuma E4809-436-014-A Main Card is an excellent choice for industrial applications due to its robust design. It feature 16 NEC DRAM ICs, 74LS244N octal buffer, and 74LS500P control logic. With stable 5V DC power supply and superior memory efficiency, this product ensures high reliability and performance.’’

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