ABB CI840A 冗余通讯模块数据存储类型分为三种，CONST 常量：数据在定义时已赋予了数值，不能在程序中进行修改，除非手动修改VAR 变量：数据在程序执行过程中停止时，会保持当前的值。但如果程序指针被移动到主程序后，数据就会丢失PERS 可变量：无论程序的指针如何，数据都会保持最后赋予的值。在机器人执行的rapid程序中也可以对可变量存储类型进行赋值操作，在程序执行后，赋值的结果会一直保持，直到对其进行重新赋值。 智能化功率管理技术，可有效减轻仪器内部发热；可储存120次测量数据，掉电不丢失；全部汉字菜单及操作提示，直观方便。
CI840A
ABB标准I/O板提供的常用信号处理有数字输入di、数字输出do、模拟输入ai、模拟输出AO,以及输送链跟踪。ABB机器人可以选配标准ABB的PLC，省去了原来与外部PLC进行通信设置的麻烦，并且在机器人的示教器上能实现与PLC相关的操作。功能特点：采用高速16位A/D转换器，测量数据稳定，重复性好；自动程控电流源技术，电流源共设1000个电流档位，由内部微控制器根据被测电阻自动控制，从而达到比较宽的测量范围。高度智能化设计，功能设置巧妙先进，可自动判断测试线虚接、断线等故障；保护功能完善，能可靠保护反电势对仪器的冲击，具有自动放电指示功能；可显示测量电流和测量时间。
CI840A
ABB CI840A redundant communication module data storage types are divided into three types: CONST constant: The data has been assigned a numerical value when defined and cannot be modified in the program unless the VAR variable is manually modified. When the data stops during program execution, it will maintain its current value. But if the program pointer is moved to the main program, the data will lose the PERS variable: regardless of the program pointer, the data will maintain the last assigned value. In rapid programs executed by robots, variable storage types can also be assigned values. After the program is executed, the result of the assignment will remain until it is reassigned. Intelligent power management technology can effectively reduce internal heating of the instrument; Can store 120 measurement data, without loss upon power failure; All Chinese character menus and operation prompts are intuitive and convenient.
CI840A
The commonly used signal processing provided by ABB standard I/O boards includes digital input di, digital output do, analog input ai, analog output AO, and conveyor chain tracking. ABB robots can be equipped with standard ABB PLCs, eliminating the hassle of communicating with external PLCs and enabling PLC related operations on the robot’s teaching pendant. Functional features: Adopting a high-speed 16 bit A/D converter, stable measurement data and good repeatability; Automatic programmable current source technology, with a total of 1000 current levels set for the current source, is automatically controlled by an internal microcontroller based on the measured resistance, thereby achieving a relatively wide measurement range. Highly intelligent design with clever and advanced functional settings, which can automatically detect faults such as virtual connection or disconnection of test lines; The protection function is complete and can reliably protect the impact of back electromotive force on the instrument, with automatic discharge indication function; It can display the measurement current and measurement time.
CI840A
PLC控制器本身的硬件采用积木式结构，各厂家产品结构大同小异。以日本欧姆龙C200HE为例，为总线模板框式结构，基本框架(CPU母板)上装有CPU模板，其它槽位装有I/O模板;如果I/O模板多时，可由CPU母板经I/O扩展电缆连接I/O扩展母板，在其上装I/O模板;另一种方法是配备远程I/O从站等。这些都说明了PLC厂家将硬件各部件均向用户开发，便于用户选用，配置成规模不等的PLC，而且这种硬件配置的开放性，为制造商、分销商(代理商)、系统集成商、最终用户带来很多方便，为营销供应链带来很大便利，这是一大成功经验。
CI840A
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