BENTLY128275-01F130944-01

BENTLY NEVADA 128275-01F 130944-01 模块

BENTLY NEVADA 128275-01F 130944-01 模块

                                                      产品详情资料：

3500/50 转速表模块是一个两通道模块，它可接收来自涡流传感器或磁传感器（除非另外注明）的信号，可确定轴的转速、转子的加速度或转子的方向。它将这些测量量与用户可编程的报警点进行比较，当超过报警点时发出报警。

3500/50转速表模块可使用3500 框架组态软件进行编程，可将它组态成下列四种不同类型：  

1.  转速监测，设置点报警和速度带报警  

2.  转速监测，设置点报警和零转速指示 

3.  转速监测，设置点报警和转子加速度报警  

4.  转速监测，设置点报警和反转指示  

3500/50 可被组态成向3500框架背板提供键相位信号，供其它监测器使用，因此不必再在框架内安装键相位模块。3500/50还有一个峰值保持功能；它可以存储机器曾达到的高转速、高反转速度或反转的数量（取决于所选择的通道类型）。这些峰值可由使用者复位。  

应用说明  

•  本特利转速表模块不单独使用或作为某一部件用于转速控制或超速保护系统。  •  

本特利转速表模块不为转速控制或超速保护系统提供保护冗余和响应转速。   •  

模拟量比例输出只用于数据收集、图表记录或显示。另外，转速的警告设置点只是用于通知目的。  

•  磁传感器不使用反转选项，因为这些传感器在低转速时不能为检测电路提供清晰边沿，这将引起 

错误的反转指示。  

•  磁传感器不推荐使用零转速选项，因为这些传感器在低转速时不能为检测电路提供清晰边沿。 

                         产品英文详情资料：

The 3500/50 Tachometer Module is a two channel module that can receive signals from eddy current sensors or magnetic sensors (unless otherwise specified) to determine shaft speed, rotor acceleration, or rotor direction. It compares these measurements with user programmable alarm points and issues an alarm when the alarm point is exceeded.

The 3500/50 Tachometer Module can be programmed using the 3500 Rack Configuration Software and can be configured into the following four different types:

1. Speed monitoring, set point alarm, and speed band alarm

2. Speed monitoring, set point alarm, and zero speed indication

3. Speed monitoring, set point alarm, and rotor acceleration alarm

4. Speed monitoring, set point alarm, and reverse indication

The 3500/50 can be configured to provide keyphase signals to the 3500 rack backplane for use by other monitors, so there is no need to install keyphase modules inside the rack. The 3500/50 also has a peak holding function; It can store the high speed, high reverse speed, or number of reverse speeds that the machine has reached (depending on the selected channel type). These peaks can be reset by the user.   

Application Description

The Bentley tachometer module is not used alone or as a component for speed control or overspeed protection systems.   •  

The Bentley tachometer module does not provide protection redundancy and response speed for speed control or overspeed protection systems.    •  

Analog proportional output is only used for data collection, chart recording, or display. Additionally, the warning set point for speed is only for notification purposes.   

Magnetic sensors do not use the reverse option because these sensors cannot provide clear edges for the detection circuit at low speeds, which can cause

Incorrect reverse indication.   

The zero speed option is not recommended for magnetic sensors, as these sensors cannot provide clear edges for the detection circuit at low speeds.

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