PLC通常由以下幾個主要部分組成:
中央處理單元(CPU):PLC的核心,負(fù)責(zé)執(zhí)行用戶程序,處理輸入輸出數(shù)據(jù),控制PLC的運行。
輸入輸出模塊(I/O模塊):包括輸入模塊(用于接收來自傳感器、開關(guān)等設(shè)備的信號)和輸出模塊(用于向執(zhí)行器、電機、閥門等設(shè)備發(fā)送控制信號)。
電源模塊:為PLC提供穩(wěn)定的電源供應(yīng)。
存儲器:用于存儲系統(tǒng)程序、用戶程序、數(shù)據(jù)和工作數(shù)據(jù)。
通信模塊:允許PLC與其他設(shè)備或系統(tǒng)進行數(shù)據(jù)交換,支持多種通信協(xié)議,如Ethernet、ProfiNET、DeviceNet、Modbus等。
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HONEYWELL W7760A-2011 W7760A2011
HONEYWELL 51195458-600 51195458600
GROSITE 4S9-04N-2Z00 4S904N2Z00
GIDDINGS & LEWIS 401-34438-20 4013443820
GETTYS M238-H60Y-300YWN M238H60Y300YWN
GETTYS M238-H50A-300Y-AK M238H50A300YAK
GENERIC M29W400DB70N6 M29W400DB70N6
GENERAL ELECTRIC IS200TSVCH1A IS200TSVCH1A
GENERAL ELECTRIC DS3820PMMB1A1B DS3820PMMB1A1B
GENERAL ELECTRIC DS3800NHVE1C1C DS3800NHVE1C1C
GENERAL ELECTRIC DS3800NEPA1E1D DS3800NEPA1E1D
GENERAL ELECTRIC DS3800NEPA1D1C DS3800NEPA1D1C
GENERAL ELECTRIC DS3800NEPA1D1B DS3800NEPA1D1B
GENERAL ELECTRIC DS3800NEPA1D1A DS3800NEPA1D1A
GENERAL ELECTRIC DS3800NEPA1C1B DS3800NEPA1C1B
GENERAL ELECTRIC DS3800NEPA1C1A DS3800NEPA1C1A
GENERAL ELECTRIC DS3800HPTK1B DS3800HPTK1B
GENERAL ELECTRIC DS3800HPBD DS3800HPBD
GENERAL ELECTRIC DS200SLCCG1ACC DS200SLCCG1ACC
GENERAL ELECTRIC 531X302DCIAYG3 531X302DCIAYG3
GENERAL ELECTRIC 186C8105G3 186C8105G3
GENERAL ELECTRIC 137D6751G1 137D6751G1
GENERAL ELECTRIC 137D6710G2 137D6710G2
GENERAL ELECTRIC 137D5142G1 137D5142G1
GENERAL ELECTRIC 118D1380G1 118D1380G1
GE FANUC IC3600STKP1 IC3600STKP1