Emerson AMS 6500 ATG Machinery Protection System Modules: Comprehensive Overview

The listed modules (A6110, A6125, A6210, A6310, A6312, A6630, A6740, A6824) are key components of the Emerson AMS 6500 ATG machinery protection system. This system is a state-of-the-art solution designed to provide continuous, real-time monitoring and protection for critical rotating machinery across various industries. It is built to meet stringent industry standards, including API 670, ensuring high reliability and accuracy in preventing catastrophic failures and enabling proactive maintenance.

Product Description (General for AMS 6500 ATG System)

The Emerson AMS 6500 ATG is a modular, rack-based system that integrates a wide range of monitoring capabilities into a single platform. It uses advanced measurement and diagnostic techniques to detect potential machinery faults before they lead to costly downtime or safety incidents. The system's modular design allows for flexible configuration to suit specific machinery protection needs, from basic vibration monitoring to comprehensive multi-parameter analysis. Its core strength lies in its ability to provide accurate data, execute rapid protection actions (alarms and shutdowns), and integrate seamlessly with plant control systems.

Individual Module Descriptions & Specifications

Below are the descriptions and typical specifications for each module, commonly found within the Emerson AMS 6500 ATG system:

1. A6110 Dual-channel Relative Axis Vibration Monitor (-3 units)

• Description: This module precisely measures relative shaft vibration (often referred to as shaft displacement or proximity vibration). It uses non-contacting eddy current probes to monitor the displacement of a rotating shaft relative to its bearings or casing. It is crucial for detecting issues like unbalance, misalignment, and oil whirl/whip.
• Key Specifications:
• Channels: 2 per module.
• Measurement: Relative shaft vibration (displacement).
• Sensor Type: Proximity probes (eddy current).
• Outputs: Proportional to shaft displacement, often in peak-to-peak (pk-pk) units.
• Alarms: User-configurable alert and danger alarms.

2. A6125 Dual-channel Casing Vibration Monitor (-2 units)

• Description: The A6125 measures absolute casing vibration, typically using accelerometers or velocity transducers mounted directly on the machine's casing. This provides insights into the overall structural integrity and dynamic behavior of the machine. It's effective for detecting looseness, bearing degradation, and structural resonance.
• Key Specifications:
• Channels: 2 per module.
• Measurement: Absolute casing vibration (velocity or acceleration).
• Sensor Type: Accelerometers or velocity transducers (IEPE compatible).
• Outputs: Proportional to vibration velocity (mm/s or ips) or acceleration (g).
• Alarms: Configurable alert and danger alarms.

3. A6210 - Dual-Channel Axial Displacement Monitor (-2 units)

• Description: This module is dedicated to monitoring the axial (thrust) position of a rotating shaft. Using proximity probes, it detects small movements of the shaft along its axis, which is critical for protecting thrust bearings from overload or failure due to issues like thermal expansion, bearing wear, or process upsets.
• Key Specifications:
• Channels: 2 per module.
• Measurement: Axial shaft position/displacement.
• Sensor Type: Proximity probes (eddy current).
• Outputs: Proportional to axial position.
• Alarms: Configurable alert and danger alarms for axial shift.

4. A6310 - Dual-channel Key Pulse Monitor (-1 unit)

• Description: The A6310 is used to generate a once-per-revolution (1X) reference signal (key phasor) from a rotating shaft. This signal is crucial for various vibration analysis techniques, such as phase analysis, synchronous vibration monitoring, and rotor balancing. It typically uses a proximity probe sensing a keyway or target on the shaft.
• Key Specifications:
• Channels: 2 per module (for redundant or multi-point key phasor).
• Measurement: Provides a reference pulse for rotational speed and phase.
• Sensor Type: Proximity probe sensing a keyway or target.
• Output: TTL or similar digital pulse.

5. A6312 - Speed Monitor (-1 unit)

• Description: This module is designed for accurate and reliable rotational speed measurement. It calculates RPM from a pulse input (often from the same probe used for key phasor or a dedicated speed probe). Precise speed monitoring is essential for machinery operation, control, and for activating or deactivating protection functions based on speed thresholds (e.g., critical speed ranges, overspeed/underspeed protection).
• Key Specifications:
• Channels: 1 or 2 per module (depending on exact variant).
• Measurement: Rotational speed (RPM).
• Input Type: Pulse input (from proximity probe, magnetic pickup, etc.).
• Alarms: Configurable overspeed and underspeed alarms.

6. A6630 - Temperature Monitor (-4 units)

• Description: The A6630 module monitors multiple temperature points on a machine. It typically supports various types of temperature sensors (RTDs, thermocouples) to measure bearing temperatures, exhaust gas temperatures, winding temperatures, and more. Accurate temperature monitoring is vital for detecting overheating, preventing component damage, and ensuring safe operation.
• Key Specifications:
• Channels: Often 8 or 16 per module (check exact variant for A6630, as some can be 8-channel).
• Measurement: Temperature.
• Sensor Types: Supports RTDs (e.g., Pt100) and/or Thermocouples (e.g., Type K, J, T, E, N, R, S, B).
• Alarms: Configurable high/low temperature alarms.

7. A6740-16 Relay Programmable Logic Board (-2 units)

• Description: This is a crucial output module that provides programmable relay outputs based on logical combinations of alarms and events from other monitoring cards in the AMS 6500 ATG system. It allows users to configure complex protection strategies, triggering external alarms, machine shutdowns, or other control actions when specific fault conditions are met.
• Key Specifications:
• Relay Outputs: 16 configurable SPDT (Single Pole, Double Throw) relays.
• Input Logic: Accepts inputs from all measurement cards (Alert, Danger, OK statuses).
• Programming: User-configurable Boolean logic (AND, OR, NOT, XOR) and time delays.
• Applications: Machine shutdown, remote alarms, control interlocks.

8. A6824 - Modbus Communication Interface Board (-2 units)

• Description: The A6824 is the primary communication gateway for the AMS 6500 ATG system, enabling it to share monitoring data and system status with higher-level control systems, such as Distributed Control Systems (DCS), Supervisory Control and Data Acquisition (SCADA) systems, or Plant Asset Management (PAM) software. It typically uses the Modbus TCP/IP protocol over Ethernet.
• Key Specifications:
• Protocol: Modbus TCP/IP.
• Interface: Ethernet (RJ45).
• Functionality: Provides access to all real-time data, alarm statuses, and configuration parameters of the AMS 6500 ATG system for external systems.
• Integration: Enables seamless integration with plant-wide control and information systems.

Product Application Cases (for the entire system)

The Emerson AMS 6500 ATG system, comprising these modules, is extensively used in industries with critical rotating machinery where uptime, safety, and efficiency are paramount.

• Power Generation: Protecting large steam turbines, gas turbines, hydro turbines, generators, boiler feed pumps, and large fans. It monitors vibration, axial position, and temperature to prevent catastrophic failures and optimize performance.
• Oil and Gas: Safeguarding compressors (centrifugal, reciprocating), pumps, large motors, and expanders in refineries, pipelines, LNG plants, and offshore platforms. It ensures continuous operation and safety in highly volatile environments.
• Petrochemical Industry: Providing comprehensive protection for reactors, mixers, and various pumps and compressors within chemical processing plants, where continuous operation is critical for production and safety.
• Pulp and Paper Industry: Monitoring dryers, refiners, and large fan motors to prevent unscheduled downtime and ensure product quality in continuous processes.
• Mining and Metals: Protecting large mills, crushers, and conveyor systems, where heavy loads and abrasive environments demand robust monitoring.

• Other Heavy Industries: Any facility with high-value, critical rotating assets that require continuous online monitoring for predictive maintenance and immediate protection.

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Brand:Emerson

Product Number: AMS 6500/A6110/A6125/A6210/A6310/A6312/A6630/A6740/A6824

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Warranty period: 12 months.

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Market price: RMB25000-RMB30000 (For reference only)

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