IC697CPU788 单槽CPU 用于ESD(紧急关闭)、火灾和气体以及其他关键控制应用

IC697CPU788模块是为三模冗余(TMR)系统制造的CPU模块。IC697CPU788模块是一个单槽CPU，由基于Windows或DOS的编程软件配置，用于ESD(紧急关闭)、火灾和气体以及其他关键控制应用。IC697CPU788模块需要与一组启用TMR例程的程序块一起使用。在这些程序块包含在加载的程序中之前，CPU模块不会起作用。数据和程序存储器是通过附加一个扩展存储器板来实现的，该扩展存储器板具有高达512 KB的CMOS RAM，并由锂电池来支持。IC697CPU788模块的操作通过软件或3位运行/停止开关进行远程控制。

当开关处于保护位置时，IC697CPU788 CPU配置只能通过连接到并行端口的编程器进行更改。模块(包括扩展内存板)的电流要求为1.6安培。该模块与5伏DC输入电压兼容。锂电池在20摄氏度下的保质期为10年，电池提供6个月的标称记忆保持能力。最多支持352个离散输入和输出，单工模式下支持8000个模拟输入，单工模式下支持8000个模拟输出。IC697CPU788模块使用80386DX微处理器。微处理器的时钟速度是16兆赫。处理一个布尔函数的时间是0.4微秒。四个状态指示灯为安装人员和操作人员提供有关系统的信息。

IC697CPU788

The IC697CPU788 module is a CPU module that is made for Triple Modular Redundancy (TMR) systems. The IC697CPU788 module is a single-slot CPU which is configured by Windows or DOS based programming software for use in ESD (emergency shut-down), fire and gas, and other critical control applications. The IC697CPU788 module needs to be used together with a group of program blocks that enable TMR routines. The CPU module will not function until these program blocks are included in the loaded program. The data and program memory is made available through the attachment of an expansion memory board with up to 512 KB of CMOS RAM that is backed up by a lithium battery.

The operation of the IC697CPU788 module is controlled remotely through software or a 3-position RUN/STOP switch.When the switch is in protected position, the IC697CPU788 CPU configuration can only be changed with a programmer that is connected to the parallel port. The current requirement of the module, including the expansion memory board, is 1.6 Amps. The module is compatible with 5 Volts DC input voltage. The shelf life of the lithium battery is 10 years at 20 degrees Celsius and the battery provides 6 months of nominal memory retention. Up to 352 discrete inputs and outputs and 8000 analog inputs in the simplex mode and 8000 analog outputs in the simplex mode are supported. The IC697CPU788 module uses an 80386DX microprocessor. The clocked speed of the microprocessor is 16 megahertz. The time taken to process a Boolean function is 0.4 microseconds. Four status LEDs provide information about the system to the installers and operators.

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