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GE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion ModuleGE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion ModuleGE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion Module
GE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion Module
GE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion Module
GE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion Module

GE Fanuc 820-0757 D20 EME Ethernet/Memory Expansion Module


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PRODUCT SKU : 820-0757

PRODUCT TYPE : Memory Expansion Modules

PRODUCT VENDOR : General Electric


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for high-speed Ethernet communication and memory expansion in GE Fanuc control platforms, the GE Fanuc 820-0757 (820-0757 Ethernet & Memory Expansion Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter Specification
Model 820-0757
Brand GE Fanuc
Origin USA
Module Type Ethernet & Memory Expansion Module
Dimensions 100 mm x 80 mm x 20 mm
Weight 0.57 kg
Operating Temp -40 to +70 deg C
Power Consumption Rack backplane bus dependent
Protocol Support Modbus TCP/IP
Physical Media 10/100 Mbps RJ45 twisted-pair interface
Enclosure Protection Rugged industrial panel mount

Backplane Bus Communication & Firmware Flash Compatibility

The expansion module integrates directly into the local backplane architecture, expanding physical onboard RAM and Flash reserves to execute edge diagnostics and complex data logging routines. Internal firmware flash compatibility facilitates deterministic packet processing across Modbus TCP/IP networks without introducing latency to internal controller task execution. High-bandwidth backplane bus communication velocity allows simultaneous real-time data streaming and system memory indexing across operating temperature extremes.

Frequently Asked Questions

Q: How does the module interface with the main controller backplane?

A: The board mounts directly into the backplane expansion interface, drawing operational logic power and establishing high-speed parallel bus lines for memory addressing.

Q: What network protocols are handled natively by the onboard communication hardware?

A: The module natively executes Modbus TCP/IP protocol stacks over industrial Ethernet channels for deterministic data exchange with SCADA nodes and PLC units.

Q: What environmental tolerances are supported for harsh panel installations?

A: The hardware is rated for continuous operation across an extended temperature range of -40 to +70 deg C, with mechanical shock and vibration damping built into the housing profile.

Field Installation Guidelines

  1. Power down the host chassis or backplane assembly before inserting the expansion board into its designated panel slot.
  2. Align the module housing with the mounting guides and push until the rear backplane edge connectors mate fully.
  3. Secure the front panel retaining hardware to maintain protective chassis earthing and prevent vibration-induced loosening.
  4. Route Category 5e/6 shielded twisted-pair Ethernet cabling away from high-voltage motor conductors or variable frequency drive cables.
  5. Connect cable shielding to the panel master ground bus at a single point to prevent circulating earth potential currents.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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