Emerson A6500-UM Universal Measurement Card for Machinery Monitoring

Emerson A6500-UM Universal Measurement Card

The A6500-UM from Emerson is a versatile dual-channel measurement module for the AMS 6500 machinery protection system. This single-slot card accepts multiple sensor types for comprehensive machine monitoring.

Compact Design and Key Features

• Two-channel 3U module saves 50% cabinet space versus traditional 6U cards.
• Fully compliant with API 670 machinery protection standards.
• Features hot-swappable design for easy maintenance without system downtime.
• Supports remote selection of limit multiply and trip bypass functions.
• Includes 5 digital inputs and 6 digital outputs for flexible system integration.

Multi-Sensor Input Specifications

• Brand & Model: Emerson A6500-UM Universal Measurement Card.
• Compatible Sensors: Eddy-current, piezoelectric (accel/velometer), seismic, LF vibration, Hall-effect, LVDT, and dynamic pressure.
• Eddy Current Input: -1 to -22 V, 0-18,750 Hz, -23.25/-26.0 VDC supply, ±1% accuracy.
• Piezoelectric Input: +1 to +23 V, 0-18,750 Hz, 0-8 mA constant current supply.
• Seismic Input: -10 to +15 V, 0-2,000 Hz, 0-8 mA lifting current supply.
• LF Vibration Input: -11 to +11 V, 0-1,000 Hz, ±15 VDC supply.

Measurement Functions and Outputs

• Measurement Modes: Shaft vibration, case vibration, position, speed/key, dynamic pressure.
• Current Outputs: Two 0/4-20 mA channels, ±1% accuracy, load <500 Ω.
• Digital Outputs: Six solid-state relays (normally open), 19-32 VDC, 100 mA max load.
• Pulse Outputs: Two opto-decoupled outputs, 0-2,000 Hz, 30 mA max load.
• Raw Signal Outputs: One per sensor input, non-reactive, ±1% accuracy.
• Communication: Internal RS-485 to Modbus RTU/TCP via A6500-CC Com Card.

Environmental and Physical Specifications

• Operating Temperature: -20°C to 70°C (-4°F to 158°F) with cooling; -20°C to 55°C (-4°F to 131°F) without.
• Storage Temperature: -40°C to +85°C (-40°F to 185°F).
• Humidity: 5% to 95% RH, non-condensing.
• Vibration Resistance: IEC 60068-2-6 (0.15mm at 10-55 Hz, 20m/s² at 55-150 Hz).
• Power Supply: 24 VDC, maximum 6W consumption.
• Dimensions: 3RU height, 6HP width, 100 x 160mm PCB.
• Weight: Approximately 200g (0.44 lbs) excluding packaging.

Certifications and Safety Approvals

• Safety Standard: IEC 61010-1 compliant.
• Hazardous Area: ATEX/IECEx II 3G Ex nA nC IIC Gc, T4.
• North America: CSA Class I Div 2, Groups A,B,C,D; UL 61010-1 listed.
• International: CE, EAC, CCC, CCOE PESO India, and DNV GL marine certifications.
• Safety Integrity: SC 2 (SIL 2 Capable) per IEC 61508.

Frequently Asked Questions

• Q: What types of measurements can the A6500-UM card perform?
  A: It performs shaft vibration, case vibration (displacement/velocity/acceleration), position (distance, rod drop, eccentricity), speed/key, and dynamic pressure measurements.
• Q: What communication protocols does this card support?
  A: It communicates via internal RS-485 bus to the A6500-CC Com Card, which provides Modbus RTU and Modbus TCP/IP outputs for connection to control systems.
• Q: Is this card suitable for use in hazardous areas?
  A: Yes, it carries multiple hazardous area certifications including ATEX, IECEx, CSA, and CCC-Ex for use in Class I Division 2/Zone 2 areas with appropriate installation.