3500/25 改進(jìn)的鍵相器模塊是一個半高度，2通道模塊，用來為3500 框架中的監(jiān)視器模塊提供鍵相位信號。常用型號有：鍵相器模塊3500/25-01-01-00 149369-01前 125800-01后。
3500/25 改進(jìn)的鍵相器模塊是一個半高度，2 通道模塊，用來為3500 框架中的監(jiān)視器模塊提供鍵相位信號。此模塊接收來自電渦流傳感器或電磁式傳感器的輸入信號，并轉(zhuǎn)換此信號為數(shù)字鍵相位信號，該數(shù)字信號可指示何時轉(zhuǎn)軸上的鍵相位標(biāo)記通過鍵相位探頭。每個鍵相模塊有2個輸入通道，3500 機(jī)械保護(hù)系統(tǒng)可安裝2個鍵相器模塊，接收4個鍵相位信號。
注: 鍵相位信號是來自旋轉(zhuǎn)軸或齒輪的每轉(zhuǎn)一次或每轉(zhuǎn)多次的脈沖信號，提供精確的時間測量。允許3500 監(jiān)測器模塊和外部故障診斷設(shè)備用來測量諸如1X 幅值和相位等向量參數(shù)。

每個鍵相器模塊可接收2 個來自渦流傳感器或電磁傳感器的信號。輸入信號范圍為-0.8V到-21.0V(非絕緣I/O 模塊)和+5V到-11V(絕緣I/O 模塊)。模塊內(nèi)可限幅，使信號不得超過此范圍。無源電磁傳感器要求軸轉(zhuǎn)速大于200rpm(3.3Hz)。在框架前面板上，通過同軸接頭，有2 個緩沖鍵相位輸出信號。2 個緩沖鍵相位輸出同樣可在框架背面，通過歐式接頭得到。前面板發(fā)光二極管 OK 指示燈: 可指示在鍵相器模塊內(nèi)檢測到一個故障。 TX/RX 指示燈: 當(dāng)鍵相器模塊與框架接口模塊(RIM)進(jìn)行通訊時，發(fā)出指示。

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The 3500/25 improved key phase module is a half-height, 2-channel module designed to provide key phase signals to the monitor module in the 3500 frame. Common models are: Phase key module 3500/25-01-01-00 149369-01 before 125800-01 after.
The 3500/25 improved key phase module is a half-height, 2-channel module designed to provide key phase signals to the monitor module in the 3500 frame. This module receives an input signal from an eddy current sensor or an electromagnetic sensor and converts this signal into a digital key phase signal that indicates when the key phase mark on the rotating shaft passes through the key phase probe. Each key phase module has 2 input channels, and the 3500 mechanical protection system can install 2 key phase modules to receive 4 key phase signals.
Note: The key phase signal is a pulse signal from the rotating shaft or gear once or multiple times per revolution, providing accurate time measurement. Allows 3500 monitor modules and external fault diagnosis equipment to measure vector parameters such as 1X amplitude and phase.

Each key phaser module can receive 2 signals from eddy current sensors or electromagnetic sensors. The input signals range from -0.8V to -21.0V(uninsulated I/O modules) and +5V to -11V(insulated I/O modules). The module can be clipped so that the signal does not exceed this range. The shaft speed of a passive electromagnetic sensor must be greater than 200rpm(3.3Hz). On the front panel of the frame, through the coaxial connector, there are 2 buffer keys phase output signals. The 2 buffer key phase outputs are also available on the back of the frame via European joint. Front panel LED OK indicator: indicates that a fault has been detected in the key phaser module. TX/RX indicator: indicates when the key phaser module is communicating with the Frame Interface module (RIM).

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