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Old 05-13-2011, 06:42 AM   #1
qdsk90vfxl
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Default |清大圣科气化炉反骗子.|plc控制系统的优点

控制器的各个部件,包括CPU,电源,I/O等均采用模块化设计,由机架及电缆将各模块连接起来,系统的规模和功能可根据用户的需要自行组合&tim es;×清大圣科×清大圣科电焊条×清大圣科电焊条设备&times ;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qhsk .cn×清大圣科科技有限公司××安装简单,维修方便可以在各种工业 环境下直接运行××清大圣科×清大圣科电焊条×清大圣科 电焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气化炉&tim es;www.qhsk.cn×清大圣科科技有限公司××
满足控制工程需要前提下,I/O卡件可灵活组合××清大圣科×清大圣科电焊条×清大圣 科电焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气化炉&ti mes;www.qhsk.cn×清大圣科科技有限公司××高可靠性 所有的I/O输入输出信号均采用光电隔离,使工业现场的外电路与控制器内部电路之间电气上隔离×&tim es;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&t imes;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&tim es;清大圣科科技有限公司××
控制器实现的功能逻辑控制、定时控制、计数控制、顺序控制、PID控制、数据计算、通讯和联网
其它:还有许多特殊功能模块,适用于各种特殊控制的要求,如:定位控制模块,CRT模块×&t imes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥 ×清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&t imes;清大圣科科技有限公司××
良好的自诊断功能,一旦电源或其他软,硬件发生异常情况,CPU立即采取有效措施,以防止故障扩大&tim es;×清大圣科×清大圣科电焊条×清大圣科电焊条设备&times ;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qhsk .cn×清大圣科科技有限公司××大型控制器还可以采用由双CPU构 成冗余系统或有三CPU构成表决系统,以及实现电源模块冗余、IO模块冗余,使可靠性更进一步提高&tim es;×清大圣科×清大圣科电焊条×清大圣科电焊条设备&times ;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qhsk .cn×清大圣科科技有限公司××
丰富的I/O卡件控制器针对不同的工业自控工程的现场信号,如:交流或直流;开关量或模拟量;电压或电流;脉冲或电位 ; 强电或弱电等,有相应的I/O模块与工业现场的器件或设备,如:按钮、行程开关、接近开关、传感器及变送器、电磁线圈、控制阀等直接连 接××清大圣科×清大圣科电焊条×清大圣科电焊条设备& times;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www .qhsk.cn×清大圣科科技有限公司××
使用时只需将现场的各种设备与PLC相应的I/O端相连接,即可投入运行××清大圣科×清大圣科电焊条&times ;清大圣科电焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气化 炉×www.qhsk.cn×清大圣科科技有限公司×× 各种模块上均有运行和故障指示装置,便于用户了解运行情况和查找故障××清大圣科 ×清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大 金桥电焊条设备×清大圣科气化炉×www.qhsk.cn×清大圣科 科技有限公司××

另外为了提高操作性能,它还有多种人-机对话的接口模块; 为了组成工业局部网络,它还有多种通讯联网的接口模块,等等××清大圣科&tim es;清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊 条设备×清大圣科气化炉×www.qhsk.cn×清大圣科科技有限 公司××控制系统采用模块化结构为了适应各种工业控制需要,除了单元式的小型控制 器以外,绝大多数控制器均采用模块化结构××清大圣科×清大圣科电焊 条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备&times ;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司× ×
基于信号处理和程序运行的速度,PLC经常用于处理工业控制装置的安全联锁保护×&times ;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&tim es;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&times ;清大圣科科技有限公司××更能满足各个领域大、中、小型工业控制项目&time s;×清大圣科×清大圣科电焊条×清大圣科电焊条设备× 清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qhsk. cn×清大圣科科技有限公司××
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Old 05-13-2011, 07:20 AM   #2
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