Emerson Epro A6500-FR Front Termination Rack

Overview

The Emerson Epro A6500-FR is a front termination rack for the AMS 6500 machinery health monitoring system. It houses and interfaces multiple protection, relay, and communication modules. The rack supports up to six protection cards, one relay card, and one communication card. It enables structured connectivity for sensors, signal outputs, and system configuration. The A6500-FR is critical for building API 670-compliant monitoring systems. It suits turbines, compressors, pumps, and other critical rotating machinery.

Technical Specifications

• Model Number: A6500-FR

• Function: Front Termination Rack for AMS 6500 modules

• Rack Dimensions: 12.25" height, 50HP width, 6RU height

• Module Capacity: Up to 6 protection cards (A6500-UM, A6500-TP), 1 relay card (A6500-RC), 1 communication card (A6500-CC)

• Sensor Compatibility: Eddy current sensors, piezoelectric sensors, seismic sensors, RTDs

• Connector Types: Screw terminals and D-sub connectors

• Signal Types Supported: Binary inputs/outputs, current outputs, pulse outputs

• Configuration Features: Slide switches for key signal and binary input setup

• Relay Card Slot: Includes 5 digital inputs via backplane screw terminals

• Mounting Type: Rack-mounted

• Power Supply: Nominal +24 V DC redundant, limit +19 to +32 V DC

• Power Consumption of Slots: <100 W of installed cards

• Power Consumption Outputs: <150 W additional supply for digital outputs

• Slot Distribution: 6 measurement card slots (6HP each), 1 relay card slot (10HP), 1 COM card slot (4HP)

• Protection Class: IP20 rack-mounted, otherwise IP00 (IEC 60529)

• Conformal Coating: HumiSeal® 1B31 EPA, class G3 airborne contaminants resistance

• Operating Temperature: -20°C to +70°C with forced cooling, -20°C to +55°C without forced cooling

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5 to 95% non-condensing

• Vibration: 0.15 mm, 20 m/s², 10–55 Hz, 55–150 Hz (IEC 60068-2-6)

• Shock: 150 m/s², 4000 shocks per axis (IEC 60068-2-27)

• Operating Altitude: <2000 m above sea level

• Connector Measurement Card Slot: Type F48 female (IEC 60603-2)

• Connector Relay Card Slot: Type C96 female, Type F48 female

• Connector COM Card: Type C30 female (IEC 60603-2)

• Terminals Power Supply: 2.5 mm² pluggable screw terminal

• Terminals I/O: 1.5 mm² pluggable screw terminal

• SUB-D Connector: SUB-D 9 shielded, UNC 4-40 screw lock