DEIF Delomatic 3 CM-2 1044220190G自动化设备

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当控制站全部断电后，监控画面上两个系统报警红灯亮，通讯中断，数据全部不刷新，所有自调系统完全失控，调节阀将恢复到初始状态，气开阀全关，气关阀全开。此时，应立即紧急处理或停车，同时到现场进行操作。
5、注意所有操作站全部断电的情况
此时，查看控制站电源指示灯是否正常，卡件诊断指示灯有无故障红灯，绿灯表示卡件正常工作，若以上都正常，则可以确定控制站工作正常，自调系统工作正常，只是操作工暂时看不到监控画面，且不能对现场进行遥控操作，立即通知微机维修人员进行维修，并到现场进行监控。
6、调节阀仪表气源压力低或仪表空气全部断气
当发现多个自调系统失灵，监控画面上自调阀阀位在全开或全关位置，立即检查仪表气源压力，若气源压力小于0.4MPa，则不正常，检查气源管道有无堵塞或漏气现象;若气源压力小于0.2MPa，立即进行紧急停车。将监控画面上的自调系统全部打到手动，将调节阀阀位调到安全位置，通知仪表工检查气源，同时到现场进行操作，关闭调节阀两端的截止阀，用旁路阀操作。When the control station is completely powered off, the red alarm light of the two systems on the monitoring screen is on, the communication is interrupted, the data is not refreshed, all self-regulation systems are completely out of control, the regulating valve will return to the initial state, the gas opening valve will be fully closed, and the gas closing valve will be fully opened. At this time, emergency treatment or shutdown shall be carried out immediately, and operation shall be carried out on site at the same time.
5. Pay attention to the power failure of all operation stations
At this time, check whether the power indicator of the control station is normal and whether the card diagnosis indicator is faulty. The red light and the green light indicate that the card is working normally. If all the above are normal, it can be determined that the control station is working normally and the automatic adjustment system is working normally, but the operator can't see the monitoring picture temporarily and can't remotely operate the site. Immediately notify the microcomputer maintenance personnel to repair and monitor the site.
6. The pressure of instrument air source of regulating valve is low or all instrument air is cut off
When multiple self regulating systems are found to be out of order and the self regulating valve on the monitoring screen is in the fully open or fully closed position, immediately check the instrument air supply pressure. If the air supply pressure is less than 0.4MPa, it is abnormal. Check whether the air supply pipeline is blocked or leaking; If the air source pressure is less than 0.2MPa, conduct emergency shutdown immediately. Turn all the self-adjusting systems on the monitoring screen to manual, adjust the valve position of the regulating valve to the safe position, notify the instrument worker to check the air source, and operate on site at the same time, close the stop valves at both ends of the regulating valve and operate with the bypass valve.