Product Details
Configured for high-speed bus arbitration and memory expansion in VME64 platforms, the GE VMER64 (VMER64 Memory Extension Board) provides direct physical/electrical execution. It handles bus-to-bus protocol translation via an integrated Tundra Universe II (CA91C142) VME-to-PCI bridge chip, delivering high-throughput data routing across backplanes and attached PMC mezzanine modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | VMER64 |
| Brand | GE |
| Origin | USA |
| Weight | 0.3 kg |
| Dimensions | 120 x 162 x 95 mm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Standard VME Backplane Draw |
| Bus Interface | VME64 (IEEE P1386 Compliant) |
| Bridge Controller | UNIVERSE CA91C142 (VME-to-PCI) |
| Peak Transfer Rate | 80 MB/s Burst Transfer |
| Mezzanine Support | PMC Module Expansion Slot |
| Operating Systems | VxWorks, UNIX, Linux |
Backplane Bus Communication Velocity and Firmware Integration
The GE VMER64 board leverages dedicated backplane bus communication velocity architecture via its onboard VME-to-PCI bridging logic. By executing hardware-driven address decoding and burst transaction management, the board maintains high-density signal handling without dropping bus cycles. Built-in firmware flash compatibility ensures synchronized DMA execution across heterogeneous processing nodes on Profinet, EtherNet/IP, or native VME bus networks.
Frequently Asked Questions
Q: How does the CA91C142 bridge chip handle VME bus transaction management?
A: The UNIVERSE CA91C142 bridges the VME64 bus directly to the internal PCI architecture, converting address and control signals to facilitate burst transfers up to 80 MB/s without CPU processing overhead.
Q: Is the board hot-swappable within a live VME64 chassis?
A: No, power must be completely removed from the rack chassis before inserting or unseating the board to prevent backplane pin damage and transient bus faults.
Q: What mezzanine standards are supported for expansion cards?
A: The board features a physical and electrical mezzanine mounting interface compliant with IEEE P1386 PMC standards.
Field Installation Guidelines
- Turn off main power to the VME chassis and verify zero potential across backplane power lines before installation.
- Align the VMER64 board edges carefully with the card guide rails of the target slot in the VME64 rack.
- Push the module firmly into the slot until the DIN backplane connectors seat completely.
- Tighten top and bottom front-panel retaining screws to establish chassis frame ground and ensure mechanical locking.
- If utilizing a PMC module, ensure the mezzanine card is fastened to the VMER64 standoff posts prior to main board installation.
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.
Tech & Buying Guide
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.