【正文】 d) 更換組件或卡件時(shí)，嚴(yán)格按照廠商說明書操作程序進(jìn)行。 Checking all series simulation signal and interlock alarming signal between DCS and auxiliary instrument panel. It and first—level test is the heart of plant testing. 確認(rèn)接口組態(tài)正確，檢查串行信號(hào)符合設(shè)計(jì)要求。 Affiring chart can print according to function format. 9) 檢查小時(shí)報(bào)表、班報(bào)表、日?qǐng)?bào)表、月報(bào)表的自動(dòng)打印功能。 Modifying function parameter using engineer keyboard on the screen. Such as, changing regulation para, on line, concept of function, selection of caculation method. 5) 歷史趨勢(shì)畫面測(cè)試 Testing of history trend screen: a) 確認(rèn)該畫面已按組態(tài)數(shù)據(jù)表組態(tài)。 Engineering measurement unit shall ply with design. c) 畫面動(dòng)態(tài)顯示檢查： Active display of screen testing. * 測(cè)量變量的變化值應(yīng)在系統(tǒng)可識(shí)別的精度范圍內(nèi)。 Checking the reaction of power alarm circuit. 系統(tǒng)啟動(dòng)、裝載 System starting up and loading. 工程師站起動(dòng)程序。 Electrican put UPS into use. Measuring voltage delivering to instrument power panel is 220VAC177。 第三層次：全裝置儀表二次聯(lián)校 根據(jù)現(xiàn)場(chǎng)施工及工藝試車進(jìn)度要求，逐點(diǎn)連接控制室至現(xiàn)場(chǎng)電纜，通過在現(xiàn)場(chǎng)加信號(hào)進(jìn)行回路試驗(yàn)，并陸續(xù)投用。 Checking all power supply lines, signal lines, and munication trunk line right and identical. 控制站、操作臺(tái)、工程師站等各機(jī)框內(nèi)插卡、適配器及其接口的型號(hào)、位置正確無誤。 The switch in power supply panel to cabi shall be on. Measuring voltage of cabi main power prior to closing by digital universalmeter. The range of result is 220177。 All loading procedures refer to manufacture instruction. 系統(tǒng)診斷及冗余試驗(yàn) System diagnosis and redundancy testing. 調(diào)出系統(tǒng)診斷畫面，對(duì)各站、臺(tái)等進(jìn)行診斷檢查。 Making sure general appearance functioned according to function data. b) 檢查總貌畫面每個(gè)區(qū)內(nèi)組和單元的正確組態(tài)。 DCS系統(tǒng)調(diào)試方案 DCS Test Scheme Affirming sound—absorption plant of every operation table can close all sounders. 7) 系統(tǒng)狀態(tài)畫面測(cè)試 Testing of system status screen: a) 調(diào)出系統(tǒng)狀態(tài)畫面，檢查連接在通訊系統(tǒng)上的各節(jié)點(diǎn)已正確組態(tài)。 Testing method: According to loop drawing, testing input and output signal on the base of classification such as sinullation signal, digital signal, thermocaple and RTD. 調(diào)試過程中，注意回路的分支、指示、記錄、報(bào)警等同時(shí)試驗(yàn)。 positive and back action of output and air opening and closing of control valve concerning to regulation system. 對(duì)聯(lián)鎖所警系統(tǒng)應(yīng)擬聯(lián)鎖的工藝條件，檢查動(dòng)作的正確與可靠性。 7) 配備消防器材，預(yù)防火災(zāi)發(fā)生。 DCS系統(tǒng)調(diào)試方案 DCS Test Scheme 3) 二次聯(lián)校通過設(shè)置斷點(diǎn) 3，各回路逐點(diǎn)開通，調(diào)試合格后現(xiàn)場(chǎng)掛牌，避免造成現(xiàn)場(chǎng)短路而燒毀保險(xiǎn)或損壞設(shè)備。故本方案僅作簡(jiǎn)要敘述，其中有關(guān) PLC聯(lián)鎖系統(tǒng)調(diào)試方案另行編制。 Affirming alarm—printing automatically. Sequence keep pliance with alarm collection screen. 3) 檢查“確認(rèn)”或“恢復(fù)”時(shí)間的打印與實(shí)際發(fā)生時(shí)間相同。 Functioning of high or low limit alarm, deviation alarm, output restict, modulating parameter, restarting pattern of power default, loop of series or pre—feedback, filter para. And other messages related to loop or number procedure. 4) 回路畫面測(cè)試 Loop screen testing: a) 鍵入位號(hào)，調(diào)出回路畫面，確認(rèn)回路類型組態(tài)正確。 Shape, size, site and color of picture. * 工藝管線的寬度、位置、顏色及進(jìn)出接頭。 Make sure all card ponents shall be pulled from plug. And then switch on main power switch of cabi, power unit, power ponents. Applying voltage meter to measure direct output voltage, the measuring results shall be pliance with manufacture instruction. ( 177。 Testing using multimeter whether grounding busbars of cabi well connect with MG or Cg grounding plate or not. c) 測(cè)量“ MG”、“ CG”間絕緣電阻應(yīng)符合 GBJ9386規(guī)范要求（大于 5M歐）。DCS系統(tǒng)調(diào)試方案 DCS Test Scheme 1. 編制說明 為高效優(yōu)質(zhì)完成調(diào)校工作，確保工藝試車進(jìn)度，并實(shí)現(xiàn)長(zhǎng)期、安全穩(wěn)定生產(chǎn)的目標(biāo)，特編制本 DCS系統(tǒng)調(diào)試方案。 Dismantling MG and CG, from grounding plate of control room. Measuring grounding resistance and pliance with design (less than10Ω ) b) 用萬用表檢查各機(jī)柜接地匯流排是否分別與“ MG”、“ CG”接地板插通。若超過允許偏差范圍，則進(jìn)行調(diào)整。 Checking title including site, color and word description. * 圖形的形狀、大小、位置、顏色。 For group—screen of digital or procedure loop