1794-OV16現(xiàn)貨AB

詳細(xì)內(nèi)容：聯(lián)系人：黃曉飛（銷售工程師） 移動(dòng)電話:18030263579 固話:0592-6895320 QQ：2472574325 超時(shí)檢測(cè)機(jī)械設(shè)備在各工步的動(dòng)作所需的時(shí)間一般是不變的，即使變化也不會(huì)太大，因此可以以這些時(shí)間為參考，在PLC發(fā)出輸出信號(hào)，相應(yīng)的外部執(zhí)行機(jī)構(gòu)開始動(dòng)作時(shí)啟動(dòng)一個(gè)定時(shí)器定時(shí)，定時(shí)器的設(shè)定值比正常情況下該動(dòng)作的持續(xù)時(shí)間長(zhǎng)20％左右。例如設(shè)某執(zhí)行機(jī)構(gòu)（如電動(dòng)機(jī)）在正常情況下運(yùn)行50s后，它驅(qū)動(dòng)的部件使限位開關(guān)動(dòng)作，發(fā)出動(dòng)作結(jié)束信號(hào)。若該執(zhí)行機(jī)構(gòu)的動(dòng)作時(shí)間超過60s（即對(duì)應(yīng)定時(shí)器的設(shè)定時(shí)間），PLC還沒有接收到動(dòng)作結(jié)束信號(hào)，定時(shí)器延時(shí)接通的常開觸點(diǎn)發(fā)出故障信號(hào)，該信號(hào)停止正常的循環(huán)程序，啟動(dòng)報(bào)警和故障顯示程序，使操作人員和維修人員能迅速判別故障的種類，及時(shí)采取排除故障的措施。 全球瘋狂低價(jià)甩賣 NEW Texas Instruments TI U-05N 12-24VDC Input Module NEW Allen-Bradley 802T-BAP1 Series H Limit Switch 1794-OV16現(xiàn)貨AB 1794-OV16現(xiàn)貨AB 1794-OV16現(xiàn)貨AB Allen-Bradley GG-473 Size 5 120VAC Operating Coil NEW Texas Instruments TI U-25N 100-120VAC Input Module (5) NEW Banner Engineering PBA-1 Power Blocks NEW Digital 70-18960-00 LA210 Servo Motor Reliance Electric 0-52823 DFSA Drive Module PULNIX TM-440XC High Resolution Camera TM-440 PULNIX TM-440X High Resolution Camera TM-440 PULNIX TM-440XC High Resolution Camera TM-440 NEW Westinghouse ART-OF 1264C62G19 Solid State Timer NEW Siemens 6EC1002-0A PLC Circuit Module NEW Tesch F122x04 Safety Expansion Relay F122 Reliance Electric 0-52837 ACCA Drive Module New GE Fuji 6KV$-1PG05 A3603 AF-300V$ Module Honeywell 82408485-001 SBLA-III Control Board Cincinnati Electrosystems 9650-128-D 128K Converter BALOGH MRER-21/AA TRANSCEIVER MODULE MRER21 HIRSCHMANN ENT-10515-R AC POWER SUPPLY MODULE (5) Buss R60060-3CR Class R Fuse Holders (5) Allen-Bradley 100-F-A40 Auxiliary Contacts NEW Ametek 80466SE Control Board NEW Datalogic ET3-5-C15 Proximity Sensor HIRSCHMANN ECFL 2 TWIN FIBER OPTIC INTERFACE MODULE Allen-Bradley 7300-UOJ CNC Control Board Allen-Bradley 1771-TCM/B Temperature Control Module AXIS ELC900 Controller Board Allen-Bradley GG-473 Size 5 120VAC Operating Coil GE Fanuc IC697MDL740 24/48 VDC Output Module LAND INFRARED LANDMARK BASIC LMB SIGNAL PROCESSOR Foxboro CM902WL I/A Series Power Module 2 - Rev. B GE Fanuc IC697MDL750 24/48VDC Output Module Reliance Electric 0-52876 VTGA Drive Module (5) Siemens BQD120 Bolt-On Circuit Breakers NEW Bailey Controls 6634205A1 Termination Loop Cable New Reliance Electric 0-52711-3 230V Dual Input Module AMCI Modicon 1834 PLC Series Encoder Module NEW Reliance Electric 0-55300 DV/DT Minpak Plus Board GIDDINGS & LEWIS 502-03657-03R2 PiC900 I/O DRIVER NEW Newport 203A-3 Digital Panel Meter