NI PXI-5402波形信号函数发生器
1.产 品 介 绍
品牌：NI
型号：NI PXI-5402
产品说明：波形信号函数发生器
优势：供应进口原装正品，专业停产配件。
快递方式：国内顺丰、德邦、京东快递包邮，按照实际报价货期发货
2.产 品 详 情 资 料：
NI PXI-5402波形信号函数发生器这些故障表不会报告有缺陷的限位开关等情况，但会识别系统故障，例如：•模块丢失或缺失、系统配置不匹配。•CPU硬件故障、低电量•PLC软件故障、程序校验和故障、无用户程序、PLC存储故障。系统状态参考这些离散参考（%S、%SA、%SB和%SC）可以在系统参考（状态）表中查看，NI PXI-5402如果在梯形图程序中使用，则可以在屏幕上查看，以确定各种条件和故障的状态。例如，如果任一故障表中记录了故障，则%SC0009位将打开。另一个例子是，如果CPU内存备用电池电量不足，NI PXI-5402将打开。Series 90-30 PLC CPU指令集参考手册GFK-0467包括“系统状态参考表”。参考表有两种类型的参考表，标准和混合。这些表显示内存地址组及其状态。对于离散地址，这些地址的状态将显示为逻辑1或逻辑0。对于模拟和寄存器地址，将显示值。NI PXI-5402
hese fault tables will not report such things as a defective limit switch, but will identify system faults such as: • Loss of or Missing Modules, System Configuration Mismatch. • CPU hardware failure, Low Battery • PLC Software Failure, Program Checksum Failure, No User Program, PLC Store Failures. System Status References These discrete references NI PXI-5402can be viewed in the System Reference (Status) Table, or on-screen if used in the ladder program, for determining the status of various conditions and faults. For example, the %SC0009 bit turns on if a fault is logged in either fault table. Another example is that bitNI PXI-5402 will turn on if the CPU memory backup battery is low. The Series 90-30 PLC CPU Instruction Set Reference Manual, GFK-0467, includes a “System Status Reference Table.”Reference Tables There are two types of reference tables, standard and mixed. These tables show groups of memory addresses and their status. For discrete addresses, the status of these will be shown as either logic 1 or logic 0. For analog and register addresses, values will be displayed.NI PXI-5402
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