描述
DCS出现故障可能会涉及控制器、网络通信、硬件故障、软件故障、电源、人为等因素,其涉及面很广。经验证明DCS故障绝大多数发生在现场仪表、测量线路及执行器,而安全栅、电源方面也时有发生。DCS和工艺是紧密相连的,出现异常时要结合实际工况,分析测量控制参数是否处于正常状态,以此来判断是工艺问题还是DCS故障。因此,在检查DCS故障时,要综合考虑、从点到面的进行思考、分析、判断。
ILX LIGHTWAVE LDC-3752 LASER DIODE CONTROLLER / REPAIR
ILX Lightwave LCM39425 Combination Module (500 mA Curre
ILX Lightwave LDC3916376 1.5A Current Source / 9W Laser
ILX Lightwave FOM-7900B Test System *Warranty
ILX Lightwave LDT5910 Thermoelectric Temperature Contro
ILX Lightwave LDC-3916338
3A Current Source Module
ILX Lightwave LDC-3916558
3A Temperature Control Module
ILX Lightwave LCM39437 Current Source & TE Controller M
ILX Lightwave LDC3916372 0.5A Current Source / 9W Laser
ILX Lightwave LDX3207B Precision Current Source, 200mA