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在設(shè)計(jì)階段要嚴(yán)格計(jì)算和規(guī)范DCS控制器工作負(fù)荷，還要仔細(xì)核算通訊網(wǎng)絡(luò)負(fù)荷，在設(shè)計(jì)變更時(shí)，要考慮到I/O點(diǎn)的冗余以及報(bào)警數(shù)量等。同時(shí)在正式運(yùn)行該系統(tǒng)前要進(jìn)行調(diào)試和試運(yùn)行，模擬可能會(huì)發(fā)生的各種緊急情況，及時(shí)發(fā)現(xiàn)其存在的通訊故障，防止運(yùn)行后造成不必要的經(jīng)濟(jì)損失。
06 建立科學(xué)合理的DCS維護(hù)管理系統(tǒng)
DCS維護(hù)人員應(yīng)每天按時(shí)檢查DCS機(jī)柜和通信網(wǎng)絡(luò)各模塊的工作狀態(tài)，檢查是否發(fā)生故障提示，并及時(shí)分析產(chǎn)生異常情況的原因，并且及時(shí)進(jìn)行處理。用網(wǎng)絡(luò)測(cè)試儀檢查網(wǎng)絡(luò)的硬件工作狀態(tài)，以及檢查交換機(jī)的指示燈，使用“ping”命令檢查計(jì)算機(jī)網(wǎng)絡(luò)，以及每臺(tái)計(jì)算機(jī)的IP設(shè)置。在檢查卡件以及通訊部件時(shí)，要佩戴防靜電手腕，防止靜電導(dǎo)致通訊故障。In the design stage, the working load of DCS controller shall be strictly calculated and standardized, and the communication network load shall be carefully calculated. In the design change, the redundancy of I / O points and the number of alarms shall be considered. At the same time, before the formal operation of the system, commissioning and trial operation shall be carried out to simulate various emergencies that may occur, and the existing communication faults shall be found in time to prevent unnecessary economic losses after operation.
06 establish a scientific and reasonable DCS maintenance management system
DCS maintenance personnel shall check the working status of DCS cabinet and communication network modules on time every day, check whether there is fault prompt, timely analyze the causes of abnormal conditions and deal with them in time. Use the network tester to check the hardware working status of the network and the indicator light of the switch. Use the "Ping" command to check the computer network and the IP setting of each computer. When checking cards and communication components, wear anti-static wrist to prevent communication failure caused by static electricity.