【正文】 amaged and fine. 機柜內(nèi)所有連接螺釘均應(yīng)牢固、無松動。 Insulation resistance between MG and CG shall be pliance with GBJ93—86 (more than 5MΩ ) 8) UPS電源測試 UPS Testing: a) 檢查電源盤內(nèi)和電源開關(guān)均處于“ OFF”位置。 Electrican put UPS into use. Measuring voltage delivering to instrument power panel is 220VAC177。 22VAC。 、 12177。 ,12 177。 Checking the reaction of power alarm circuit. 系統(tǒng)啟動、裝載 System starting up and loading. 工程師站起動程序。 各站裝載程序詳見說明書。I圖形式顯示，頁數(shù)及畫面內(nèi)容應(yīng)符合組態(tài)要求。 Width, site, color and inlet or outlet connector of process pipeline. * 測量變量的符號、文字、大小、位置、顏色。 Engineering measurement unit shall ply with design. c) 畫面動態(tài)顯示檢查： Active display of screen testing. * 測量變量的變化值應(yīng)在系統(tǒng)可識別的精度范圍內(nèi)。 Selecting loop from flow screen and regulating set data, control model (Auto/ manual ) and manual output. 2) 總貌畫面測試 Genera appearance screen testing: a) 確認(rèn)總貌畫面已按組態(tài)數(shù)據(jù)表組態(tài)。 Measuring data, specified data, simulation and digital output are identical. c) 進(jìn)行改變設(shè)定值、控制模式和輸出試驗。 In putting tag No. and finding loop screen. Making sure function of loop type is right. b) 確認(rèn)測量值、設(shè)定值、輸出等正確組態(tài)。 Modifying function parameter using engineer keyboard on the screen. Such as, changing regulation para, on line, concept of function, selection of caculation method. 5) 歷史趨勢畫面測試 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)。 Making sure operation No, instruction words, priority level is correct. Sound and light classification of different priority level alarm is true. c) 確認(rèn)任一操作臺上消聲操作均能關(guān)閉所有的蜂鳴器。 Operating keyboard directty operated by operator is normal. Finding all indications and operating every loop (including control module, set data, setting series—level, output signal ). Alarming and Executing all functions. 2) 確認(rèn)由鍵鎖或口令啟動的操作員鍵盤功能操作正常，能改變測量范圍，報警值及輸出信號限制等。 Keep printing time of verifying and resuming identical with actual time. DCS系統(tǒng)調(diào)試方案 DCS Test Scheme 4) 檢查如報警發(fā)生數(shù)量比打印速度快，報警打印不會丟失 Checking alarm—printing can not lose if alarming speed is faster than printing speed. 5) 檢查如打印機發(fā)生故障，修復(fù)后仍能將這段時間內(nèi)的報警點正確打印。 Affiring chart can print according to function format. 9) 檢查小時報表、班報表、日報表、月報表的自動打印功能。 After testing function, enecuting accesstesting pletely. Inputing signal from I/O end, observing indication value on operating station CRT, and outputting signal from measuring value. Output deviation allowance shall be pliance with accuracy requirement. ( level) 測試方法：根據(jù)回路圖，將輸入輸出信號按模擬量、數(shù)字量、熱電偶、熱電阻等類型分組調(diào)試 。若不符，檢查順序表組態(tài)。 The scheme has mainly introduced the testing for DCS. The testing work process in the pane –chart (chart 3) is general testing so brief introduce inhere. DCS系統(tǒng)調(diào)試方案 DCS Test Scheme relevant testing for PLC has other scheme. Testing of auxiliary instrument panel: 對其中的 壓縮機盤主要是調(diào)速器、軸瓦溫度監(jiān)視器、機組 PLC調(diào)試。 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，檢查串行信號符合設(shè)計要求。 First, executing insulation and conductivity test for loop cable. Then, pulsing simulation signal at place of local transmitter and output switch. 2） 在二次聯(lián)校過程中，對檢測系統(tǒng)要進(jìn)一步核對信號的量程、工程 單位、報警上下限等，對調(diào)節(jié)系統(tǒng)要檢查設(shè)定置、比例、積分、微分時間預(yù)設(shè)定、輸出正反作用及調(diào)節(jié)閥氣開氣閉是否正確， During the course of inter—testing, checking signal range, unit upper and lower limit of alarming concerning inspecting or testing system time, portion, differential, Checking setting value, portion , time presetting of integral and differential。 施工圖及組態(tài)工作單。 4) 在 DCS調(diào)試過程中注意： a) DCS調(diào)試及運行時應(yīng)連續(xù)供電。 d) 更換組件或卡件時，嚴(yán)格按照廠商說明書操作程序進(jìn)行。 6) 控制室內(nèi)嚴(yán)