Product details
Emerson A6312 Speed and Key Monitor Overview
The Emerson A6312 Speed and Key Monitor delivers high reliability for critical rotating machinery protection. This dual-channel monitor tracks speed, phase, zero speed, and rotation direction on turbines and compressors. It integrates seamlessly with the AMS 6500 series for full API 670 compliance. Engineers use this device to prevent failures and enhance operational safety in demanding industrial environments.
Technical Specifications
- Brand: Emerson | Model: A6312
- Input Type: Differential eddy current (Emerson 6422-6425 sensors)
- Measurement Range: 0-30 V continuously adjustable via software
- Frequency Response: 0-16 kHz (-3 dB) for buffered outputs
- Operating Temperature: 0° to 65°C (32° to 149°F)
- Power Supply: 24 VDC with maximum 6W consumption
- Alarm Setpoints: Adjustable 5-100% scale with 0-36 second delays
- Vibration Resistance: 0.15 mm amplitude at 10-55 Hz per IEC 68-2
Installation Guidelines
- Mount redundant sensors in identical axial planes for phase continuity
- Use CON 011/91, 021/91, or 041/91 drivers with compatible sensors
- Ensure sensor gap voltage remains within 0 to ±27.3 VDC range
- Maintain >100 kΩ input resistance for optimal signal integrity
- Install in AMS 6500 19-inch rack chassis using 8TE width module
- Verify galvanic isolation between sensor power and system voltages
Packaging Contents
- One A6312 dual-channel speed and key monitor module
- Standard mounting hardware for 19-inch rack systems
- Standard protective packaging materials
- Shipping via FedEx, UPS, or DHL express services
Frequently Asked Questions
- What sensors work with the A6312 monitor?
The monitor accepts Emerson 6422, 6423, 6424, and 6425 series eddy current displacement sensors.
- Can the A6312 detect reverse rotation?
Yes, it monitors both forward and reverse rotation using trigger wheels with 1-255 marks.
- What is the maximum RPM measurement capability?
The system accurately measures speeds up to 65,535 RPM across 0-20,000 Hz frequency range.
- How does redundant mode switchover work?
Automatic switchover triggers when monitoring detects sensor gap voltage or pulse counting anomalies.
Contact Information
For technical specifications or pricing inquiries, contact our automation specialists:
Email: sales@powergearx.com
Phone: +86 18030005825
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