396358-01-2  通用型监测模块 用于轴相对振动测量

 双通道、3U尺寸的单槽插入式模块比传统四通道、6U尺寸的卡件节省了一半的机间。
 符合API 670且支持热插拔的模块。
 支持远程控制限值倍增和跳机旁路。
 前后缓冲和比例输出，0/4 – 20mA 输出。
 自检设施包括监测硬件、电源输入、硬件温度、传感器和电缆。
 与位移传感器PR6422、PR6423、PR6424、PR6425和前置器CON 011/91、021/91、041/91配合使用。

压电式壳体振动测量模式能够通过加速度传感器测量壳体振动，确保您工厂中最重要的旋转设备具有高可靠性。这种单槽监测模块与其它CSI A6500 ATG监测模块配合使用时，可以形成一个完整的API 670机械保护监测系统。其应用包括汽轮机、燃气轮机、压缩机和水轮机。
壳体压电式振动监测的主要功能是通过将振动参数与报警设定值进行比较驱动报警和继电器，从而准确监测壳体振动并以可靠的方式保护设备。压电式传感器，有时被称为壳体绝对振动测量（不同于轴绝对振动），是使用加速度传感器或速度传感器，输出加速度或速度值。壳体振动监测卡件可以监测轴承壳体以g’s为单位的加速度值或速度（以毫米/秒（英寸/秒）为单位）。由于传感器安装在壳体上，因此壳体产生的振动会受到很多不同因素的影响，包括转子运动基础和壳体刚度、叶片振动、相邻设 。等备更换现场传感器时，很多地震式传感器被更换为压电式传感器。
在核电应用中，必须进行壳体测量。滚动轴承设备和齿轮箱通常也采用压电式传感器进行壳 体测量。艾默生建议使用压电式 传感器和压电式 传感器监测模块来更换现场传感器和监测模块。

A6500-UM

The shaft relative vibration mode is used to improve reliability for the most critical rotating equipment in the plant. This function, when combined with other CSI A6500 ATG monitoring modules, forms a complete API 670 mechanical protection monitoring system. Applications include steam turbines, gas turbines, compressors and water turbines.
The main function of shaft relative vibration measurement is to drive the alarm and relay output by comparing the measured parameter with the alarm set value, thus accurately monitoring shaft relative vibration and protecting the equipment in a reliable manner. Shaft relative vibration comprises a displacement sensor mounted through the bearing housing or mounted inside the bearing with a rotating shaft or a monitoring target mounted on the bearing housing with a rotating shaft as a monitoring target.
A displacement sensor is a non-contact sensor that measures the position and movement of a shaft. Since the displacement sensor is installed on the bearing, the parameter monitored is called shaft relative vibration, that is, the vibration of the shaft relative to the bearing housing. Shaft relative vibration is an important measurement for prediction and protection monitoring on all plain bearing machines. When the weight of the housing is much greater than that of the rotor, and the bearing housing is not expected to vibrate between 0 and normal operating speed, the relative vibration of the shaft should be selected. When the bearing housing and rotor masses are close to equal, the absolute shaft vibration measurement is sometimes chosen if the bearing housing is more likely to vibrate and affect the relative shaft vibration reading.

 The two-channel, 3U size single-slot plug-in module saves half the room time compared to the conventional four-channel, 6U size card.
 API 670 compliant and hot-swappable modules.
 Supports remote control limit doubling and bypass.
 Front and rear buffered and proportional output, 0/4-20 mA output.
 Self-test facilities include monitoring hardware, power inputs, hardware temperature, sensors, and cables.
 is used with the displacement sensors PR6422, PR6423, PR6424, PR6425 and the precursors CON 011/91, 021/91, 041/91.

The piezoelectric shell vibration measurement mode measures shell vibration with an acceleration sensor, ensuring high reliability for the most important rotating equipment in your plant. This single-slot monitoring module, when combined with other CSI A6500 ATG monitoring modules, forms a complete API 670 mechanical protection monitoring system. Applications include steam turbines, gas turbines, compressors and water turbines.
The main function of the piezoelectric vibration monitoring of the housing is to drive the alarm and relay by comparing the vibration parameters with the alarm setpoint, thus accurately monitoring the housing vibration and protecting the equipment in a reliable manner. Piezoelectric sensors, sometimes referred to as shell absolute vibration measurement (as distinct from shaft absolute vibration), use an acceleration sensor or a velocity sensor that outputs an acceleration or velocity value. The housing vibration monitoring clamp can monitor the acceleration value or velocity of the bearing housing in g’s (in mm/s (inches/s)). Because the sensor is mounted on the housing, the vibration generated by the housing can be affected by many different factors, including the rotor movement foundation and housing stiffness, blade vibration, and adjacent configuration. When field sensors are ready to be replaced, many seismic sensors are replaced with piezoelectric sensors.
In nuclear power applications, shell measurements must be carried out. Rolling bearing equipment and gearboxes are also commonly used for shell measurement using piezoelectric sensors. Emerson recommends replacing the field sensors and monitoring modules with piezoelectric sensors and piezoelectric sensor monitoring modules.