Description
Product Features
The A6120 is a high-reliability overspeed protection monitoring module developed by Emerson, specially designed for the AMS 6500 machinery health monitoring system. It focuses on high-precision rotational speed monitoring and triple-redundant overspeed protection for critical rotating machinery. As a core safety-grade protection component, it provides reliable overspeed trip interlock, speed fault diagnosis and equipment safety monitoring for steam turbines, gas turbines and large compressor units in industrial power systems.
1. Safety-grade Overspeed Protection: Adopts professional triple-redundant speed detection and judgment logic, complying with API 670 industrial safety standards. It effectively eliminates single-point failure risks and ensures accurate and reliable overspeed trip protection for key power equipment.
2. High-precision Speed Sampling: Equipped with high-frequency high-resolution pulse sampling technology, which can capture tiny speed fluctuations and transient speed changes of rotating units. It supports stable and accurate full-range speed monitoring from low-speed startup to rated operation.
3. Multi-signal Compatibility: Perfectly compatible with mainstream industrial speed sensors such as magnetic pickup sensors and Hall-effect sensors. It adapts to various pulse signal amplitudes and frequency ranges, meeting the speed monitoring requirements of different types of turbine and rotating machinery.
4. Configurable Multi-level Protection Logic: Supports flexible configuration of low-speed alarm, speed deviation warning and overspeed dangerous trip thresholds. It allows adjustable protection delay and linkage interlock parameters to prevent false trips and realize hierarchical and refined safety protection.
5. Full Intelligent Self-diagnosis System: Built-in comprehensive hardware and signal self-diagnosis function. It can automatically detect module hardware faults, sensor disconnection, signal loss, pulse abnormality and circuit faults, and upload real-time fault information to the upper system for rapid troubleshooting.
6. Industrial-grade Environmental Adaptability: Features reinforced industrial circuit design and EMC electromagnetic shielding performance, resisting strong on-site electromagnetic interference, vibration, high temperature and humidity. It supports 24/7 long-term stable operation in harsh industrial environments.
7. Hot-swap & Strong System Compatibility: Supports online hot-swap replacement without system shutdown, greatly reducing equipment maintenance downtime. It provides standard analog output and digital communication interfaces, realizing seamless docking with AMS monitoring software, DCS and SCADA systems.

A6120
Product Parameters
|
Item
|
Specification
|
|
Part Number
|
A6120
|
|
Brand
|
Emerson
|
|
Product Type
|
Overspeed Protection Monitor Module
|
|
Applicable System
|
AMS 6500 Machinery Health Monitoring System
|
|
Core Function
|
Real-time rotational speed monitoring, speed fluctuation analysis, multi-level speed alarm, safety overspeed trip protection
|
|
Compatible Sensors
|
Magnetic pickup speed sensors, Hall-effect tachometer sensors
|
|
Protection Logic
|
Triple-redundant judgment, configurable warning and danger trip threshold
|
|
Signal Output
|
4-20mA standard analog output, digital communication signal transmission
|
|
Safety Standard
|
API 670 Industrial Machinery Protection Standard
|
|
Power Supply
|
24VDC Industrial Power Supply
|
|
Operating Temperature Range
|
-20℃ ~ +60℃
|
|
Storage Temperature Range
|
-40℃ ~ +85℃
|
|
Working Humidity
|
5%~95% Non-condensing
|
|
Installation Method
|
Standard 3U Rack Mounting, Online Hot-swap Support
|
|
Environmental Perfor
|
