描述
外部设备的信号通过冗余配置(模拟量)或通过扩展转换(开关量)分别送入2套DCS系统。同时因保证不出现误操作事故,还增加了相当部分的判据条件和I/0测点,这种方式的优点是当一台机组停运或检修,可以较方便地对DCS进行检查,同时也增大了控制的可靠性,缺点是增加了外部设备的数量
Walchem Copper Controller WCU310-141 WCU310141 115v
Furnas STARTER 22DS32AE6 22DS+32A*E6 ESP100 120V COIL
NEW BAILEY INPTM01 INFI 90 NPTM01 INFI90 NEW
Westinghouse IQ-1000 II IQ1000 9966D84GO1 T930121
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Allen Bradley 1336 AC Drive 1336-B005-EJD-L3-S1 7.6kva
2750-ASP Allen Bradley Intelligent Antenna 2750SP
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NEW ABB ELEC. TRANSMITTER 503TB01261A0120-1000-804216