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A6500-RC Emerson Relay Output Module

A6500-RC Emerson Relay Output Module

Technical Overview

The A6500-RC is a relay output module for the Emerson AMS 6500 Machinery Protection System (MPS). It provides physical relay contacts triggered by alarm or fault conditions detected by vibration and thrust monitoring cards. These...

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Availability: Low stock: 99 left

SKU: A6500-RC
Vendor: EPRO
Category: Relay Output Module
Related Series:

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Technical Overview

The A6500-RC is a relay output module for the Emerson AMS 6500 Machinery Protection System (MPS). It provides physical relay contacts triggered by alarm or fault conditions detected by vibration and thrust monitoring cards. These relays interface directly with emergency shutdown (ESD) circuits, local alarms, or operator annunciators, ensuring immediate protective action when machinery exceeds safe operating limits.

Detailed Specifications

Feature Specification
Model A6500-RC
Module Type Alarm & Fault Relay Output
Relay Configuration Multiple independent relays (typically 6 per card)
Contact Ratings AC: 250 V, 5 A; DC: 125 V, 1 A
Response Time <10 ms (optimized for protective tripping)
Logic Integration Programmable via AMS 6500 software
Installation 19-inch AMS 6500 Rack (Backplane mounted)
Status Indicators Front-panel LEDs (relay state & module health)
Operating Temperature -20°C to +70°C 
Physical Dimensions 142 × 55 × 100 mm
Weight 0.4 kg

Operational Capabilities

  • High-integrity safety output: Supports voting logic (1-out-of-2, 2-out-of-2) to reduce false trips.

  • Alert/Danger configuration: Relays can be assigned to different severity levels based on monitored vibration or thrust signals.

  • Failsafe monitoring: Includes a Module OK relay to signal card health to the control room.

  • Hot-swappable: Can be replaced within a powered AMS 6500 rack, with proper inhibition of relay outputs.

Technical FAQ

Can the relay contacts be configured as Normally Open (NO) or Normally Closed (NC)?

  • Yes. The relay behavior (energized/de-energized on alarm) is software-configurable to meet plant fail-safe requirements.

What is the difference between the A6500-RC and the A6500-UM?

  • A6500-RC: Output module for relay switching.

  • A6500-UM: Measurement module for processing vibration or thrust signals.

Is this card suitable for high-speed trip logic?

  • Yes. The A6500-RC is optimized for sub-10 ms relay actuation, ensuring fast response for protective actions.