F7553 HIMA 耦合模块 ESD系统

制造商:HIMA

产品编号:F7553

产品类型:耦合模块

装配套件B9302，带有看门狗信号关闭，用于PES H51q

空间要求:4TE

HIMA F7553提供的高可靠性的ESD系统不止是保证了设备安全无千扰的运行，更可轻松的集成到主流DCS系统中，为客户提供一体化的解决方案。确保安全生命周期的每个环节都被考虑周到。

H41q和H51q系列HIMA PES是由组装在一个5单元高、19英寸机架上的中央设备模件和用于数字及模拟输入/输出信号的模件构成的。在H51q中，IIO模件安装在4单元高的19英寸机架上。

冗余中央模件与双通道/O总线，适用于高可用性及与安全相关的PES.

CU=中央模件

/O模件=输入/输出模件

1/O总线=输入/输出总线系统DPR=双口RAM

F7553耦合模块指两个或两个以上的模块之间通过参数交换信息，而且交换的信息仅仅是数据。

F7553耦合模块可以降低模块间的联系，提高模块的独立性。根据耦合程度的不同，可以将耦合分为：数据耦合、控制耦合、公共环境耦合和内容耦合。其中，内容耦合是最高程度的耦合，也被称为“病态耦合”，出现以下情况时，可判定为内容耦合：

一个模块访问另一个模块的内部数据。

一个模块不通过正常入口而转到另一个模块的内部。

两个模块有一部分程度代码重叠。

一个模块有多个入口。

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F7553 HIMA 耦合模块 ESD系统

Manufacturer :HIMA

Product Number :F7553

Product type: Coupling module

Assembly kit B9302 with watchdog signal off for PES H51q

Space requirement :4TE

The highly reliable ESD system provided by HIMA F7553 not only ensures the safe and trouble-free operation of the equipment, but also easily integrates into the mainstream DCS system to provide customers with an integrated solution. Ensure that every aspect of the security life cycle is considered.

The H41q and H51q series HIMA PES consists of a central device module assembled on a 5-unit high, 19-inch rack and modules for digital and analog input/output signals. In H51q, the IIO module is mounted on a 4-unit high 19-inch rack.

Redundant central module with dual channel /O bus for high availability and security related PES.

CU= central module

/O module = Input/output module

1/O bus = Input/Output bus system DPR= dual-port RAM

F7553 Coupling module refers to the exchange of information between two or more modules through parameters, and the information exchanged is only data.

The F7553 coupling module can reduce the connection between modules and improve the independence of modules. According to the different degree of coupling, coupling can be divided into: data coupling, control coupling, public environment coupling and content coupling. Among them, content coupling is the highest degree of coupling, also known as "ill-conditioned coupling", when the following situations occur, it can be determined as content coupling:

One module accesses the internal data of another module.

One module goes to the inside of another module without going through the normal entrance.

The two modules have some degree of code overlap.

A module has multiple entries.

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