?MMS6120是一款由美國EPRO公司（現屬德國epro集團）生產的雙通道軸承振動測量模塊
?MMS6120是一款由美國EPRO公司（現屬德國epro集團）生產的雙通道軸承振動測量模塊
?MMS6120是一款由美國EPRO公司（現屬德國epro集團）生產的雙通道軸承振動測量模塊
?MMS6120是一款由美國EPRO公司（現屬德國epro集團）生產的雙通道軸承振動測量模塊
?MMS6120是一款由美國EPRO公司（現屬德國epro集團）生產的雙通道軸承振動測量模塊?，主要用于監測和保護渦輪機械（如汽輪機、燃氣輪機、壓縮機、風扇、齒輪箱、鼓風機、離心機等）的軸承振動狀態。以下是其核心參數和功能詳情：
?一、核心參數?
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?通道設計?
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雙通道獨立輸入，支持兩路電動式速度傳感器信號輸入（SENS 1H/L 和 SENS 2H/L）。
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匹配傳感器：德國epro公司PR926X系列電動式傳感器，輸入電壓范圍為-5V至+15Vdc。
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?電氣特性?
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?電源電壓?：+24VDC冗余設計，增強供電穩定性。
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?頻率范圍?：5Hz至1000Hz（符合DIN 45670標準），覆蓋低頻到高頻振動監測需求。
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?輸出信號?：
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電流輸出：兩路0-20mA或4-20mA可調，用于傳輸振動特征值。
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電壓輸出：兩路0-10V電壓信號，提供振動幅值或速度的模擬量輸出。
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動態信號輸出：兩路0-20Vpp動態信號，用于頻譜分析（量程與特征值對應）。
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?傳感器補償?
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為每個傳感器提供0-8mA的提升線圈電流，補償傳感器線圈的機械沉降，確保長期測量精度。
?二、功能特性?
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?振動監測與保護?
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通過電動式速度傳感器測量軸瓦振動（瓦振），輸出信號與軸瓦絕對振動成正比。
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支持報警閾值設置，每通道可配置2個光耦報警輸出，實現危險（Danger）和報警（Alert）分級提示。
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?信號處理與濾波?
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內置微處理器，支持信號濾波和頻譜分析功能。
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可存儲最后一次啟停機過程的振動數據，通過計算機或便攜設備讀取，輔助故障診斷。
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?通信與接口?
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前面板配備SMB接口，可直接測量傳感器信號。
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支持鍵相信號輸入（需>13V），用于速度控制方式和頻譜分析。
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可通過現場便攜機或遠程通信總線（如Profibus DP）設置參數和讀取數據。
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?狀態指示與故障診斷?
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前面板“通道正常”指示燈，綠色表示正常，熄滅或閃爍表示故障。
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支持通道狀態和模塊狀態的LED指示（慢速閃爍0.8Hz為通道狀態，快速閃爍1.6Hz為模塊狀態）。
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模塊故障時自動閉鎖報警輸出，避免誤動作。
?三、應用場景?
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?渦輪機械保護系統?
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與其他模塊（如軸位移、轉速模塊）組合，構建完整的渦輪機械保護系統，防止設備因振動超標而損壞。
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?分析診斷與控制系統?
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作為輸入信號源，連接至分析診斷系統、現場總線系統（如Profibus）、分散控制系統（DCS）或電廠主計算機，實現振動數據的實時監測和歷史趨勢分析。
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?工業網絡集成?
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支持WAN/LAN網、以太網等工業網絡協議，便于遠程監控和數據共享。
?四、標準與兼容性?
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?符合標準?：API670、VDI2056、VDI2059，確保測量精度和可靠性。
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?傳感器兼容性?：優先匹配德國epro公司PR926X系列傳感器，也可兼容其他廠家同類型傳感器（需確認輸入電壓范圍）。
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MMS6120 is a dual channel bearing vibration measurement module produced by EPRO Corporation in the United States (now part of the German epro Group), mainly used to monitor and protect the bearing vibration status of turbomachinery (such as steam turbines, gas turbines, compressors, fans, gearboxes, blowers, centrifuges, etc.). The following are its core parameters and functional details:
1、 Core parameters
Channel design
Dual channel independent input, supporting two electric speed sensor signal inputs (SENS 1H/L and SENS 2H/L).
Matching sensor: PR926X series electric sensor from German epro company, with an input voltage range of -5V to+15VDC.
Electrical characteristics
Power supply voltage:+24VDC redundant design to enhance power supply stability.
Frequency range: 5Hz to 1000Hz (compliant with DIN 45670 standard), covering low-frequency to high-frequency vibration monitoring requirements.
Output signal:
Current output: Two adjustable channels of 0-20mA or 4-20mA, used for transmitting vibration characteristic values.
Voltage output: Two channels of 0-10V voltage signals provide analog output of vibration amplitude or velocity.
Dynamic signal output: Two channels of 0-20Vpp dynamic signals, used for spectrum analysis (corresponding to the range and characteristic values).
Sensor compensation
Provide 0-8mA boost coil current for each sensor to compensate for mechanical settling of the sensor coil and ensure long-term measurement accuracy.
2、 Functional characteristics
Vibration monitoring and protection
By using an electric speed sensor to measure the vibration of the bearing (bearing vibration), the output signal is proportional to the absolute vibration of the bearing.
Support alarm threshold setting, each channel can be configured with 2 optocoupler alarm outputs to achieve graded warning of Danger and Alert.
Signal Processing and Filtering
Built in microprocessor, supporting signal filtering and spectrum analysis functions.
It can store the vibration data of the last start stop process and read it through a computer or portable device to assist in fault diagnosis.
Communication and Interface
The front panel is equipped with SMB interface, which can directly measure sensor signals.
Supports key phase signal input (requires>13V), used for speed control mode and spectrum analysis.
Parameters can be set and data can be read through on-site portable devices or remote communication buses (such as Profibus DP).
Status indication and fault diagnosis
The "Channel Normal" indicator light on the front panel, green indicates normal, and off or flashing indicates a fault.
Supports LED indication of channel status and module status (slow flashing 0.8Hz indicates channel status, fast flashing 1.6Hz indicates module status).
Automatically lock the alarm output in case of module failure to avoid misoperation.
3、 Application scenarios
Turbomachinery protection system
Combined with other modules such as shaft displacement and speed modules, a complete turbo mechanical protection system is constructed to prevent equipment damage due to excessive vibration.
Analysis, Diagnosis, and Control System
As an input signal source, it is connected to analysis and diagnosis systems, fieldbus systems (such as Profibus), distributed control systems (DCS), or power plant main computers to achieve real-time monitoring and historical trend analysis of vibration data.
Industrial Network Integration
Supports industrial network protocols such as WAN/LAN and Ethernet, facilitating remote monitoring and data sharing.
4、 Standards and Compatibility
Compliant with standards: API670, VDI2056, VDI2059, ensuring measurement accuracy and reliability.
Sensor compatibility: Priority should be given to matching PR926X series sensors from German epro company, and it can also be compatible with sensors of the same type from other manufacturers (input voltage range needs to be confirmed).
