IC697CPM790-GD是 90-70 系列可编程逻辑控制器 (PLC) CPU。该 CPU 是一个单插槽宽模块,专门用于关键应用,例如紧急关机系统、消防、燃气和其他应用。该 CPU 通过合并独立 C 程序来支持三重介质冗余 (TMR),以启用自动测试例程。
该IC697CPM790-GD具有 1 MB 的电池备份内存,最多 512KB 可供使用梯形图编程语言配置的用户程序使用。当配置为单工模式时,该 CPU 支持多达 12K 的离散输入和输出点,可任意组合;2048 票投票支持离散输入,2048 票投票支持离散输出。同样,该IC697CPM790-GD能够处理高达 8K 的模拟输入和输出,在单工模式下运行时可任意组合,以及 1024 个投票模拟输入。它配备了 80486DX2 微处理器,时钟速度为 64 MHz。该 CPU 具有相对较快的扫描速率,每个布尔函数为 0.4 微秒,适用于关键应用。
该IC697CPM790-GD支持三重模块化冗余 (TMR),用于使系统不会停机。这种 TMR 设置基本上由三重 PLC 机架组成,每个机架具有一 (1) 个IC697CPM790 CPU、三重 Genius I/O 总线,以及三重输入传感器和三重输出负载。
The IC697CPM790-GD is a 90-70 series Programmable Logic controller (PLC) CPU. The CPU is a single slot wide module designed for critical applications such as emergency shutdown systems, fire fighting, gas and other applications. The CPU supports triple media redundancy (TMR) by incorporating independent C programs to enable automated test routines.
The IC697CPM790-GD has 1 MB of battery backup memory and up to 512KB is available for user programs configured using the ladder diagram programming language. When configured in simplex mode, the CPU supports up to 12K discrete input and output points in any combination; 2048 votes for discrete input, 2048 votes for discrete output. Similarly, the IC697CPM790-GD is capable of handling up to 8K analog inputs and outputs, any combination when running in simplex mode, and 1024 voting analog inputs. It is equipped with an 80486DX2 microprocessor with a clock speed of 64 MHz. The CPU has a relatively fast scan rate of 0.4 microseconds per Boolean function, making it suitable for critical applications.
The IC697CPM790-GD supports Triple modular redundancy (TMR) for system downtime. This TMR setup essentially consists of triple PLC racks, each with one (1) IC697CPM790 CPU, triple Genius I/O bus, and triple input sensors and triple output loads.
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