133396-01  Bently 超速检测 I/O 模块 冗余转速计系统

部件号 ： 133396-01

制造商： Bently Nevada

生产国：美国产品

类型：超速检测 I/O 模块

系列：3500

重量 ：0.45 公斤

工作温度：-30 °C 至 +65 °C

133396-01 是由 Bently Nevada 开发的超速检测 I/O 模块。它是本特利内华达 3500/53 电子超速检测系统的一部分。用于 3500 系列机械检测系统的本特利内华达电子超速检测系统是一种高度可靠、快速响应的冗余转速计系统，设计用作超速安全系统的一部分。它旨在满足美国石油协会 （API） 标准 670 和 612 的超速保护要求。模块可以耦合以产生 2 选 2 或 2 选 3 的投票系统（首选）。超速检测系统需要具有多个电源的 3500 机架。

输入信号规格：

每个超速检测模块都接受来自接近探头传感器或磁性拾取器的单个传感器信号。输入信号的电压范围为+10.0 V至-24.0 V，超过此范围的信号由模块内部限制。

133396-01 前面板 LED

OK LED：表示 3500/53 模块处于良好的工作状态。

当 3500/53 模块与 3500 机架中的其他模块通信时，TX/XR LED 亮起。

如果 3500/53 模块处于旁路模式，则旁路 LED 亮起。

当 3500/53 处于测试模式时，测试模式 LED 亮起。

报警 LED：表示关联的继电器发生了报警情况。

3500 系统用于连续监测应用于多种行业的旋转和往复机械，尤其适用于要求极高可靠性和可用性的自动停机机械保护应用中。可以应用本特利3500)系统的机器类型包括但不限于:

燃气轮机、蒸汽轮机、压缩机、涡轮膨胀机、电动机和发电机、励磁机、齿轮箱、泵、风扇、风机、往复式压缩机、挤压机和造球机。可用的本特利(bently3500系列)监测器模块通道类型如下:

径向振动、轴向(刚向)位移、差胀、速度、加速度、壳胀、阀门位置、标准转速计、超速转速计、轴振动、标准单斜面差胀、双斜面差胀、零转速转速计等。

133396-01 电源模块的组合:

1、并联扩容。将相同电源模块输出端并联，可使输出能力增强，但并联模块的输出电压要调整得比较一致，以*相对均流，同时避免不必要的振荡。对有较大电流输出的模块，还可以仔细设计引线电阻，以达到均流效果。用这种方法并联的模块，不宜*过2个。同时，如果其中一块模块输出有故障，整个系统都将不能正常工作。并联扩容连接电路RL为负载;

2、冗余热备份并联。将相同的电源模块输出端通过二管后并联可使输出能力增强，以提高电源系统的**性。原则上如果配合相应输出报警电路，将模块放在可以拆卸的母线上，这样，出现故障的模块可以及时更换。用这种方法并联的模块，没有量限制。D一般为肖特基二管;

3、串联扩容。将相同模块输出端串联，可使输出电压倍增，功率也相应增加，而串联输出端须接二管以进行保护。

133396-01  Bently 超速检测 I/O 模块 冗余转速计系统

Part number: 133396-01

Manufacturer: Bently Nevada

Country of production: United States products

Type: Overspeed detection I/O module

Series: 3500

Weight: 0.45 kg

Operating temperature: -30 °C to +65 °C

133396-01 is an overspeed detection I/O module developed by Bently Nevada. It is part of the Bentley Nevada 3500/53 electronic Speed Detection System. The Bentley Nevada Electronic Overspeed Detection System for the 3500 Series Mechanical inspection system is a highly reliable, fast responding redundant tachometer system designed to be used as part of the overspeed safety system. It is designed to meet the overspeed protection requirements of American Petroleum Institute (API) standards 670 and 612. Modules can be coupled to produce a 2 ⁄ 2 or 2 ⁄ 3 voting system (preferred). The overspeed detection system requires 3500 racks with multiple power supplies.

Input signal specification:

Each overspeed detection module accepts a single sensor signal from either the proximity probe sensor or the magnetic pickup. The voltage range of the input signal is + 10.0V to -24.0V, and signals beyond this range are restricted internally by the module.

133396-01 Front panel LED

OK LED: indicates that the 3500/53 module is in good working condition.

When the 3500/53 module communicates with other modules in the 3500 rack, the TX/XR LED lights up.

If the 3500/53 module is in bypass mode, the bypass LED lights up.

When 3500/53 is in test mode, the test mode LED lights up.

Alarm LED: indicates that an alarm has occurred in the associated relay.

The 3500 system is used to continuously monitor rotating and reciprocating machinery used in a variety of industries, especially in automatic shutdown machine protection applications that require extremely high reliability and availability. The types of machines that can apply the Bentley 3500 system include, but are not limited to:

Gas turbines, steam turbines, compressors, turbo expanders, electric motors and generators, exciters, gearboxes, pumps, fans, fans, reciprocating compressors, extruders and ball making machines. The available Bentley (bently3500 Series) monitor module channel types are as follows:

Radial vibration, axial (rigid) displacement, differential expansion, speed, acceleration, shell expansion, valve position, standard tachometer, overspeed tachometer, shaft vibration, standard single slope differential expansion, double slope differential expansion, zero speed tachometer, etc.

133396-01 Combination of power modules:

1. Parallel expansion. Parallel the output end of the same power module can enhance the output capacity, but the output voltage of the parallel module should be adjusted to be more consistent, so as to achieve maximum current parity and avoid unnecessary oscillation. For the module with large current output, the lead resistance can also be carefully designed to achieve the current sharing effect. Parallel modules in this way should not be more than 2. At the same time, if the output of one module is faulty, the whole system will not work properly. Parallel expansion connecting circuit RL for the load;

2. Parallel redundant hot backup. Parallel the output end of the same power module through two tubes can enhance the output capacity to improve the reliability of the power system. In principle, if the corresponding output alarm circuit is matched, the module is placed on the detachable bus, so that the faulty module can be replaced in time. There is no quantitative limit to the parallel modules in this way. D is usually Schottky's second tube;

3, series expansion. The output end of the same module is connected in series to multiply the output voltage and increase the power accordingly, and the series output end must be connected with two tubes for protection.