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EPRO A6312/08 Speed Keyphasor Monitoring Module

EPRO A6312/08 Speed Keyphasor Monitoring Module

  • 19 Sandėlyje
  • Manufacturer: Emerson

  • Product No.: A6312/08

  • Condition: Sandėlyje

  • Product Type: Speed Keyphasor Monitoring Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 280g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Aprašymas

Product Description

The Emerson EPRO A6312/08 is a dual-channel rotational speed and phase reference module designed for integration into MMS 6000 and AMS 6500 machinery protection systems. It is intended for precise acquisition and evaluation of shaft speed signals and keyphasor events in high-performance rotating equipment.

This module processes input signals from proximity probes or Hall-effect sensors, delivering accurate measurement of rotational speed, phase angle, zero-speed condition, and direction of rotation. With its microprocessor-based architecture, the A6312/08 provides stable real-time monitoring along with diagnostic outputs required for advanced vibration and order analysis.

Technical Specifications

Parameter Specification
Channel Configuration 2 independent input channels
Sensor Compatibility Eddy current probes (PR642x series), Hall-effect sensors (e.g., PR9376)
Input Voltage Range 0 to ±27.3 VDC
Input Impedance >100 kΩ
Input Isolation Galvanically isolated from supply and system
Frequency Range 0 to 20,000 Hz
Maximum Speed Up to 65,535 RPM (depending on pulse configuration)
Analog Outputs 0/4–20 mA or 0–10 V selectable
Buffered Outputs Front SMB connectors and rear terminals
Pulse Output TTL signal up to 20 kHz per channel
Functional Capabilities Speed monitoring, phase reference, zero-speed detection, rotation direction
Diagnostics Sensor condition, cable monitoring, internal hardware checks
Communication RS-485 interface for system integration
Operating Temperature 0°C to +55°C
Mounting Format 3U, 8HP plug-in module for 19-inch rack
Dimensions 128 × 40 × 190 mm
Weight 0.28 kg
Compliance Designed in accordance with API 670 requirements

Key Functional Characteristics

The A6312/08 supports simultaneous monitoring of two independent signals, enabling either dual-shaft measurement or redundant sensor configurations. Its high-frequency capability makes it suitable for fast-rotating machinery, while precise keyphasor detection supports synchronous vibration analysis and order tracking. Integrated buffering allows direct connection to diagnostic equipment without signal degradation.

The module also features built-in self-monitoring functions, reducing the risk of false alarms and improving overall system reliability. Its rack-based design allows replacement or maintenance without interrupting system operation.

Application Scenarios

Typical applications include steam and gas turbines, centrifugal compressors, hydro turbines, gear-driven systems, and high-speed industrial fans. It is used where accurate speed measurement and phase reference are essential for protection systems and condition monitoring.

FAQ

Q: Can this module handle redundant sensor inputs?
Yes, the two channels can be configured independently or used for redundancy.

Q: What types of sensors are supported?
Both eddy current proximity probes and Hall-effect sensors are supported.

Q: Is it suitable for high-speed machinery?
The module supports frequencies up to 20 kHz, making it suitable for very high rotational speeds.

Savybės

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