MVME177-003 MOTOROLA 单板计算机 实现RISC性能水平

摩托罗拉MME177VMEmodule经过指定、设计和测试，可在0至55C(32至131*F)的进风温度范围内可靠运行，并采用100CFM轴流风扇以通常可实现的速度强制空气冷却。温度鉴定在标准的摩托罗拉vmessystem底盘中进行。25瓦负载板插入两个卡槽，每则一个，靠近被测板，以模拟高功率密度系统配置。一个由三个轴流风扇组成的组件，每个风扇额定功率为100 CFM，直接放置在VME卡笼下方。在风扇组件和卡笼之间测量进风温度，进风气流首先遇到被测模块。当模块受到环境温度变化的影响时，执行测试软件。监控关键的高功率密度集成电路的温度，以确保不超过组件供应商的规格。

而冷却所需的确切气流量取决于:【环境空气温度】

【板的类型】【板数】

【电路板位置】【其他热源】

通常在10CFM和490 LFM流过模块时可以达到足够的冷却。在最大环境温度较低的环境中，冷却模块所需的气流较少。在更有利的热条件下，随着气流的增加，模块可以在高于55'C的温度下可靠地运行。值得注意的是，除了气动器的额定CFM外，还有几个因素决定了流过模块的空气的实际体积和速度。

Atlas主板需要强制空气冷却。安装MPC6O4 RISC处理器需要额外的冷却。主板上提供了一个3针头(J17)，用于为专用风扇供电。参考“一般信息"章节中的“莆散热要求”小节，了解系统板平台的温度认证信息。

The MOTOROLA MME177VMEmodule is specified, designed and tested to operate reliably over an inlet air temperature range of 0 to 55C(32 to 131*F) and uses a 100CFM axial flow fan to force air cooling at speeds normally achievable. The temperature evaluation was performed on a standard MOTOROLA vmessystem chassis. The 25-watt load board is inserted into two card slots, one each, close to the board under test to simulate a high power density system configuration. An assembly consisting of three axial flow fans, each rated at 100 CFM, is placed directly under the VME card cage. The inlet air temperature is measured between the fan assembly and the cage, and the inlet air flow first encounters the module under test. When the module is affected by changes in ambient temperature, the test software is executed. Monitor the temperature of critical high power density integrated circuits to ensure they do not exceed component supplier specifications.

The exact air flow required for cooling depends on: [ambient air temperature]

【 Type of board 】【 Number of board 】

【 Circuit board location 】【 Other heat source 】

Adequate cooling is usually achieved at 10CFM and 490 LFM flowing through the module. In an environment with a lower maximum ambient temperature, less airflow is required to cool the module. In more favorable thermal conditions, with increased airflow, the module can operate reliably at temperatures above 55'C. It is worth noting that in addition to the rated CFM of the pneumatic, there are several factors that determine the actual volume and speed of the air flowing through the module.

Atlas motherboards require forced air cooling. Installing the MPC6O4 RISC processor requires additional cooling. A 3-pin (J17) is provided on the motherboard to power the dedicated fan. Refer to the "Heat Dissipation Requirements" section of the "General Information" section for temperature certification information for the system board platform.

现货产品：MVME177-003 MOTOROLA 单板计算机 实现RISC性能水平

我公司的优势品牌和系列如下:

【霍尼韦尔】模块DCS/PLC

【艾默生/台达V】模块

【ABB】输入输出模块

(AB】模组/触摸屏

【GE/发那科】IC69系列可编程控制器

【本特利内华达】3500系统

【横河电机】压力变送器

【安川】伺服驱动器/伺服电机

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