1771-WN/ABPLC模塊
測試過程開始前,運(yùn)行故障診斷系統(tǒng),檢查軋鋼生產(chǎn)控制系統(tǒng)是否處于良好狀態(tài)。對于開關(guān)量,這個過程是上位機(jī)通過通訊口讀取PLC輸入位的狀態(tài)值并與其正常狀態(tài)值相比較的過程;對于模擬量,這個過程可用讀取模擬量起動的開關(guān)位的狀態(tài)值作為判斷的根據(jù),也可將從其它站讀取的模擬量與其相應(yīng)的極限值相比較的結(jié)果作為判斷的根據(jù)。若發(fā)現(xiàn)測控系統(tǒng)有故障,應(yīng)及時處理(上位機(jī)顯示屏給出具體故障的部位報警)。只有當(dāng)診斷結(jié)果為良好狀態(tài)時,才能進(jìn)行的軋鋼性能測試;
(2)如果測試結(jié)果發(fā)現(xiàn)不合格的設(shè)備,應(yīng)重新運(yùn)行故障診斷系統(tǒng)。
(3)如果測試過程當(dāng)中,測控系統(tǒng)出現(xiàn)嚴(yán)重故障,則PLC通過通訊口或上位機(jī)輸入輸出板傳遞故障信號,使測控系統(tǒng)退出測試過程,屏幕給出故障診斷的結(jié)果和排除故障的建議。
1771-WN/ABPLC模塊
1771-OP 120V AC PROTECTED OUTPUT MODULE
1771-OQC ISOLATED DC 24V 8 OUTPUTS IN 2'S,
1771-OQ16 OUTPUT MODULE
1771-OQ16K OUTPUT MODULE
1771-OR OR ISOLATED OUTPUT MOD,6 OUTPUTS, 220V AC
1771-OVN LOW TRUE INPUT MODULE, 32 INPUTS, 10-30V DC
1771-OW CONTACT OUTMOD,8 SELECT CONTACTS,NO/NC
1771-OW16 CONTACT OUTPUT
1771-OW16K CONTACT OUTPUT
1771-OWK CONTACT OUTPUT
1771-OWN CONTACT OUTPUT
1771-OWNA CONTACT OUTPUT
1771-OX OUTPUT MODULE
1771-OXK OUTPUT MODULE
1771-OYL CONTACT OUTPUT
1771-OZL CONTACT OUTPUT
1771-P1 PWR SUPPLY, 6.5A, 120/220VAC
1771-P2 PWR SUPPLY, 6.5A, 120/220V AC
1771-P3 POWER SUPPLY, 5V DC, 3A
1771-P4 POWER SUPPLY, 5V DC, 8A
1771-P5 POWER SUPPLY, SLOT, 8A, 24V DC
1771-P6 POWER SUPPLY, SLOT (ONE SLOT), 8A, 220V AC
1771-P7 POWER SUPPLY, 16A, 120/220V ACR SUPPLY
1771-PM CLUTCH/BRAKE MODULE (USED IN PAIRSH/BRAKE MODULE
1771-PS7 MULTIVOLTAGE RACK PWR SUPPLY, +5V DC BACKPLANE,
+-15V DC, +5V DC, +24V DC ISOLATED,POWER SUPPLY
1771-PSC POWER SUPPLY CHASSIS, 4 SLOTS CHASSIS
1771-QA POS MODULE
1771-QB LINEAR HYDRAULIC POSITIONING MODULEOSITIONING MODULE
1771-QRC DUEL RTE MTR MOD/SOLAR TURBI
1771-RT41 REMOTE PANEL
1771-RT44 REMOTE PANEL
1771-RTP1 REMOTE PANEL
1771-RTP3 REMOTE PANEL
1771-RTP4 REMOTE PANEL
1771-SDN SCANNER MODULE
1771-SN SUB INPUT/OUTPUT SCANNER MODULE
1771-SIM 8PT SIM MODULE%
1771-VHSC SPEED COUNTER
1771-WA FIELD WIRING ARM
1771-WB FIELD WIRING ARM
1771-WC FIELD WIRING ARM
1771-WD FIELD WIRING ARM
1771-WE FIELD WIRING ARM
1771-WF FIELD WIRING ARM
1771-WG FIELD WIRING ARM
1771-WH FIELD WIRING ARM
1771-WHF FIELD WIRING ARM
1771-WHFB FIELD WIRING ARM
1771-WI FIELD WIRING ARM
1771-WN FIELD WIRING ARM