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隨著科學(xué)技術(shù)的發(fā)展，PLC在工業(yè)控制中的應(yīng)用越來越廣泛。PLC控制系統(tǒng)的可靠性直接影響到工業(yè)企業(yè)的安全生產(chǎn)和經(jīng)濟(jì)運(yùn)行，系統(tǒng)的抗干擾能力是關(guān)系到整個(gè)系統(tǒng)可靠運(yùn)行的關(guān)鍵。自動(dòng)化系統(tǒng)中所使用的各種類型PLC，有的是集中安裝在控制室，有的是安裝在生產(chǎn)現(xiàn)場和各電機(jī)設(shè)備上，它們大多處在強(qiáng)電電路和強(qiáng)電設(shè)備所形成的惡劣電磁環(huán)境中。要提高PLC控制系統(tǒng)可靠性，設(shè)計(jì)人員只有預(yù)先了解各種干擾才能有效保證系統(tǒng)可靠運(yùn)行。
ALLEN BRADLEY 120VAC RELAY SER.C 700-HA32A1-1
OMRON RELAY WITH BASE LOT OF 3 G2R-2-SN 101308
MARS CONTROL CO. RELAY T1L-60-61
SIEMENS CONTROL RELAY LOT OF 2 8 TH 80 22-0A
OMRON RELAY SOCKET BASE LOT OF 4 PYF08M
ALLEN BRADLEY RELAY LOT OF 5 700-HA32A1 SER C
SICK SAFETY RELAY UE10-3OS3D0 / 6024918 99532
IDEC DC24V RELAY LOT OF 4 RH2B-UL
OMRON 24VAC RELAY LOT OF 3 LY2 99814
SQUARE D 120V RELAY LOT OF 5 8501 KP12V20 SER D
OMRON 14 PIN RELAY SOCKET LOT OF 5 PYF14T
ALLEN BRADLEY 24V 7A RELAY LOT OF 6 700-HC24Z24 SER D
DURAKOOL MERCURY RELAY 120V 60HZ BF3-7024 NO
IDEC DC 24 V RELAY LOT OF 2 RY2S-U 99804
OMRON RELAY WITH BASE LOT OF 2 MK2P-S
CUTLER HAMMER DPDT 110VDC COIL RELAY SER.A2 NIB D5PR2A1 102625
IDEC 24VDC RELAY LOT OF 3 RH4B-UL
OMRON 24VDC MINI PURPOSE RELAY WITH BASE MY4ZN
TELEMECANIQUE CONTROL RELAY LP1D09
NCC CONTROLS SOLID STATE TIMER T1K-5-461
AGASTAT 1-10 MIN TIME DELAY RELAY NNB 7022VF 104571
ALLEN BRADLEY 110/120V 10A RELAY 700-F400A1 SER. B *LOT OF 5*
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