IC697CPM790是一款90-70系列可编程逻辑控制器(PLC) CPU。该CPU是一个单槽宽模块，专门用于关键应用，如紧急关机系统，消防，燃气和其他应用。该CPU支持三重媒体冗余(TMR)，通过合并独立的C程序来启用自动测试例程。
IC697CPM790具有1mb的电池支持内存，可通过使用梯形图编程语言配置的用户程序使用高达512KB的内存。当配置为单工模式时，该CPU支持多达12K的任意组合的离散输入和输出点;2048个离散输入和2048个离散输出。同样，IC697CPM790能够处理高达8K的模拟输入和输出，在单工模式和1024个投票模拟输入下操作时的任何组合。它配备80486DX2微处理器，时钟速度为64 MHz。该CPU具有相对较快的扫描速度，每个布尔函数0.4微秒，适合在关键应用中使用。
IC697CPM790支持三重模块冗余(TMR)，用于允许系统没有停机的机会。这个TMR设置基本上由三个PLC机架组成，每个机架有一个(1)IC697CPM790 CPU，三个天才I/O总线，以及三个输入传感器和三个输出负载。
IC697CPM790带有一个(1)15针sub-D连接器，允许与RS485兼容设备通信。使用RS-422/RS-485到RS-232转换器(部件号为IC690ACC900)或RS-232到RS-422迷你转换器(部件号为IC690ACC901)，可以建立其他形式的通信，例如连接到编程计算机。
IC697CPM790可编程控制器CPU也适用于关键的工业和商业安全相关应用，如消防和气体相关应用以及ESD或紧急关闭系统。它使用Windows或MS-DOS软件编程，能够通过机架式背板与安装在同一PLC系统中的I/O模块和智能选件模块进行通信。IC697CPM790可编程控制器CPU不能运行，除非包含一个独立的C程序作为CPU加载的应用程序的一部分。
IC697CPM790可编程控制器CPU必须与独立的C程序一起使用，用于操作TMR或三重模块冗余以及自动测试和操作例程。这个CPU有1mb的电池支持内存，高512 KB的内存可用于梯形图程序。IC697CPM790可编程控制器CPU可以在任何混合中处理多达12,000个离散输入和输出，只要输入和输出都处于单纯形模式，它可以处理多达2048个离散输入和多达2048个离散输出。该CPU的其他功能包括可配置的程序和数据存储器，4个状态指示灯led，密码控制的机器访问，3位操作模式控制开关，以及电池支持的日历时钟。
The IC697CPM790 is a Series 90-70 Programmable Logic Controller (PLC) CPU. This CPU is a single slot wide module that is specifically used for critical applications such as Emergency shutdown systems, fire, gas and other applications. This CPU supports Triple Media Redundancy (TMR) by incorporating Standalone C program for enabling autotest routines as well.
The IC697CPM790 features 1 MB of battery-backed memory with up to 512KB available for utilization by the user program configured using ladder diagram programming language. This CPU supports up to 12K discrete input and output points, of any combination, when configured in simplex mode; 2048 voted discrete inputs and 2048 voted discrete outputs. Similarly, the IC697CPM790 is capable of handling up to 8K analog inputs and outputs, of any combination when operated in simplex mode and 1024 voted analog inputs. It is equipped with an 80486DX2 microprocessor with clock speed of 64 MHz. This CPU exhibits a relatively fast scan rate of 0.4 microseconds per boolean function, suitable for use in critical applications.
The IC697CPM790 supports Triple Modular Redundancy (TMR), utilized to allow the system without the chance of downtime. This TMR set-up is basically comprised of Triple PLC Racks with each rack having One (1) IC697CPM790 CPU, Triple Genius I/O Busses, as well as Triple input sensors and Triple output loads.
The IC697CPM790 comes with One (1) 15-pin sub-D connector allowing communication with RS485 compatible devices. Other forms of communication such as connection to a programming computer may be established with the use of RS-422/RS-485 to RS-232 Converter with part number IC690ACC900 or RS-232 to RS-422 Miniconverter with part number IC690ACC901.
The IC697CPM790 programmable controller CPU is also suitable for critical industrial and commercial safety-related applications such as fire and gas-related applications and ESD or Emergency Shutdown systems. It is programmed using the Windows or MS-DOS software and able to communicate with the I/O modules and the smart option modules in the same PLC system that it is installed in through the rack-mounted backplane. The IC697CPM790 programmable controller CPU cannot operate unless a Standalone C program is included as part of the loaded application program for the CPU.
The IC697CPM790 programmable controller CPU must be used with a Standalone C program for operating TMR or Triple Modular Redundancy and autotest and operating routines. This CPU has 1 MB of battery-backed memory and up to 512 KB of memory is available for ladder diagram program. The IC697CPM790 programmable controller CPU can handle up to 12,000 discrete inputs and outputs in any mix as long as the inputs and outputs are all in the simplex mode, and it can handle up to 2048 discrete inputs and up to 2048 discrete outputs. Other features of this CPU include configurable program and data memory, 4 status indicator LEDs, password-controlled machine access, a 3-position operation mode control switch, and a calendar clock that is battery-backed.
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