Description
Product Specifications
| Feature | Details |
|---|---|
| Brand | Alstom (Power Automation) |
| Model Number | ALSTOM BGTR 8HE 8-SLOT VME RACK |
| Interface Card | PIB 903 |
| Slot Configuration | 8-Slot VMEbus Architecture |
| Rack Height | 8HE (Horizontal Units) |
| Country of Origin | France / Germany |
| Weight | Approx. 6.8 kg |
| Dimensions | Standard 19″ Rack Width x 8HE Height |
| Communication Bus | VME64 / VMEbus Standard |
| Power Supply | Dual Redundant Power Input Support |
The ALSTOM BGTR 8HE is a high-density industrial subrack designed for VMEbus-based control systems, specifically within power plant automation and railway signaling environments. Featuring an 8-slot backplane and the integrated PIB 903 Peripheral Interface Board, this rack provides a robust physical and electrical environment for CPU modules, I/O cards, and communication processors. Its 8HE form factor is optimized for superior thermal management and structural rigidity, ensuring the long-term reliability of mission-critical ALSTOM Alspa or P320 control platforms in high-vibration and electromagnetically noisy settings.
Q&A: Product Common Issues & Solutions
Q: What is the primary function of the PIB 903 board within this rack? A: The PIB 903 acts as the Peripheral Interface Board, managing the communication between the VME backplane and external field devices or supervisory networks. If the rack is powered but the modules cannot “see” the field data, the PIB 903 may have a configuration mismatch or a failure in its bus-arbitration logic.
Q: Why are some slots in the BGTR 8HE rack not recognizing new VME cards? A: This is often due to bent pins on the 96-pin DIN connectors or incorrect jumper settings on the backplane for “Bus Grant” (BG) and “Interrupt Acknowledge” (IACK) daisy chains. If a slot is left empty without a dummy jumper, the signal chain is broken, preventing any downstream cards from being recognized by the VME master controller.
Q: How do I troubleshoot a “VME System Reset” (SYSRESET) loop? A: A continuous reset loop is usually caused by a power supply voltage drop (specifically the +5V rail) or a faulty module pulling the SYSRESET line low. Isolate the rack by removing all cards except the CPU and PIB 903 to determine if a specific I/O module is shorting the backplane control signals.
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