The Emerson A6500-SR serves as the central structural and electrical backbone for the AMS 6500 ATG machinery protection system. This 19-inch, 3RU chassis houses and integrates a full suite of monitoring modules, including vibration, displacement, speed, and temperature cards. It facilitates high-speed data exchange between modules and provides the necessary connectivity for external DCS and PLC systems. We supply this rack as 100% Brand New and Factory Sealed, ensuring a reliable foundation for critical turbomachinery protection in power generation and petrochemical facilities.
The A6500-SR combines high-density slot capacity with robust environmental resistance.
| Parameter | Specification |
| Rack Standard | 19-Inch Industrial Rack (3RU Height, 84HP Width) |
| Module Capacity | Up to 11 Universal Protection Cards (A6500-UM/TP) |
| Auxiliary Slots | 1 Relay Card (A6500-RC) and 1–2 Communication Cards |
| Connectivity | Push-in spring cage and D-Sub connectors |
| Vibration Resistance | 0.15 mm at 20 m/s² (10–55 Hz) |
| Operating Temp | -20 °C to +70 °C (with forced cooling) |
| Communication | Supports Redundant Configuration |
| Weight | 2400 g (5.3 lbs) |
Optimized Slot Density: The A6500-SR maximizes cabinet space by housing up to 11 universal protection cards in a compact 3RU form factor. This high density allows for the comprehensive monitoring of multiple bearing points from a single rack.
Redundant Data Integrity: The rack architecture supports dual A6500-CC communication cards. This redundancy ensures that the machinery protection system continues to transmit vital health data even if a single network path or card fails.
Universal Sensor Interface: The backplane accepts inputs from a diverse range of sensors, including eddy current probes, piezoelectric accelerometers, seismic sensors, and RTDs. This versatility eliminates the need for separate, specialized racks for different measurement types.
Resilient Field Connections: Push-in spring cage connectors simplify the wiring process and resist loosening caused by industrial vibrations. This design maintains gas-tight electrical contact over long-term operation in high-vibration environments.
Can I use the A6500-SR with older EPRO MMS6000 modules?
No. The A6500-SR belongs specifically to the AMS 6500 ATG ecosystem. While it shares a lineage with older EPRO systems, the backplane and module form factors are incompatible with the legacy MMS6000 or MMS3000 series.
What are the cooling requirements for a fully populated rack?
If the internal modules generate significant heat or the ambient temperature exceeds +55 °C, you must implement forced air cooling (fans) within the cabinet. This maintains the operating temperature within the rated -20 °C to +70 °C range and prevents thermal throttling of the protection cards.
Does the rack include the protection cards and power supplies?
The A6500-SR is the physical rack and backplane assembly. You must order individual protection cards (A6500-UM), relay cards, and power supply modules separately based on your specific machine configuration.
How does the rack handle raw sensor signals?
The A6500-SR provides dedicated D-Sub connectors on the rear panel. These ports allow technicians to access raw, unconditioned sensor signals for external portable analyzers without interrupting the primary protection logic.
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