E0227-702-003
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The E0227-702-003 memory card offers EMI-shielded non-volatile data storage. It is equipped with 12 megabits of bubble memory and a 50-pin card edge connector. The TTL logic and FR4 substrate enhance reliability.
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Product Description:
The model E0227-702-003 is a Bubble Memory Card designed for industrial control systems. It is used in Okuma OPUS 5000 CNC machines. This plug in card supports non volatile data storage. It delivers stable long term data retention and operates with a 5 V DC supply.
This E0227-702-003 memory card uses bubble memory technology which offers non volatile storage with a capacity of 12 megabits. The storage is achieved through three 4 megabit modules. It connects via a 50 pin card edge connector and supports parallel data bus communication. The board is built on an FR4 substrate with aluminum shielding for durability and EMI protection. The card’s integrated circuits include UV EPROMs from the Hitachi which are used to store firmware or application level program data. Various 74-series TTL logic chips are present in this model for bus control, address decoding and signal routing. Signal driver and receiver ICs are included to ensure signal integrity across long distances such as backplanes. Ceramic and electrolytic capacitors are used for power line decoupling that ensures clean voltage supply to components. Standard axial resistors are employed in the card for signal line termination and current limiting.
The E0227-702-003 bubble memory card’s power requirement is typically 5 V DC logic level that is common for industrial electronics. It can retain stored data for over 10 years without external power. It is suitable for long term machine control applications where data persistence is critical. The card has a compact and durable form factor. It measures approximately 18.5 cm in length, 11.5 cm in width and 1.6 mm in thickness. Its mechanical design ensures compatibility with industrial control racks. Aluminum shielding reduces electromagnetic interference and protects data integrity in electrically noisy environments.
Frequently Asked Questions about E0227-702-003:
Q: How does the E0227-702-003 card handle EMI issues in industrial environments?
A: The E0227-702-003 uses aluminum shielding to reduce electromagnetic interference during operation. This shielding preserves data integrity in high-noise industrial setups.
Q: Can the E0227-702-003 bubble memory card ensure data retention during power loss?
A: Yes, this model stores data using bubble memory modules that require no continuous power. It retains stored data for more than ten years without external voltage.
Q: Why does the E0227-702-003 use three 4 megabit modules instead of a single memory block?
A: The memory structure is distributed across three 4 megabit modules to enhance redundancy and access control. This configuration ensures balanced performance across all storage sectors.
Q: How does the E0227-702-003 bubble memory card maintain signal stability across backplane connections?
A: The card uses signal driver and receiver ICs to maintain signal strength over long distances. These components are essential for reliable data transmission in CNC machine racks.
Q: What ensures consistent voltage supply to components on the E0227-702-003 memory card?
A: This model includes ceramic and electrolytic capacitors for decoupling power lines. They ensure a clean and stable 5 V DC supply to all integrated circuits.
