一般小型(低檔)PLC具有邏輯運算、定時、計數(shù)等功能,對于只需要開關(guān)量控制的設(shè)備都可滿足。對于以開關(guān)量控制為主,帶少量模擬量控制的系統(tǒng),可選用能帶A/D和D/A單元。具有加減算術(shù)運算。數(shù)據(jù)傳送功能的增強(qiáng)型低檔PLC。
對于控制較復(fù)雜,要求實現(xiàn)PID運算、閉環(huán)控制、通信聯(lián)網(wǎng)等功能,可視控制規(guī)模大小及復(fù)雜程度,選用中檔或高檔PLC。但是中、高檔PLC價格較貴,一般大型機(jī)主要用于大規(guī)模過程控制和集散控制系統(tǒng)等場合。
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DODGE TIGEAR MR94752LKFWZ GEAR BOX, RPM 1750, SIZE/RATIO: Q175B015M0564K,
DODGE TIGEAR MR94752LKFWZ GEAR BOX, RPM 1750, SIZE/RATIO: Q175B015M0564K,
DODGE TIGEAR MR94754 CRX SIZE RATIO 56/175-30 REDUCER
DODGE TIGEAR MR94754 CRX SIZE RATIO 56/175-30 REDUCER
DODGE TIGEAR MR94754CCD GEAR BOX, SIZE/ RATIO Q175B030M056K1,
DODGE TIGEAR MR94756LHA GEAR BOX, SIZE RATIO: Q175B050M056K1, RPM 1750,
DODGE TIGEAR MR94761VBE GEAR BOX, Q200B015M056K1, RPM 1750, HP 1.39,
DODGE TIGEAR MR94762 H HB GEAR REDUCER, SIZE/RATIO Q200B020M056K1, RATIO 20/1
DODGE TIGEAR MR96103 20:1 REDUCER
DODGE TIGEAR MZ94763 RZ SIZE RATIO 50/200-30 EZ
DODGE TIGEAR MZ94763 RZ SIZE RATIO 50/200-30 EZ
DODGE TIGEAR Q175B020M056K1 GEAR MOTOR
DODGE TIGEAR Q175B020M056K1 GEAR MOTOR
DODGE TIGEAR Q200B030M056L1 GEAR BOX 1750 RPM
DODGE TIGEAR Q350B005M180K GEAR BOX 1750 INPUT RPM
DODGE TIGEAR REDUCER
DODGE TIGEAR SER#15225
DODGE TIGEAR SER#18267
DODGE TIGEAR SIZE 17 GEAR REDUCER
DODGE TIGEAR SIZE 20 INPUT S RATIO 20
DODGE TIGEAR SPEED REDUCER, SIZE/ RATIO: Q176Y010M056L1, 524 OUTPUT TORQUE,
DODGE TIRGEAR MR94751LK V SY REDUCER SIZE RATIO 56/175-10 TORQUE 524
DOLAN-JENNER FIBER OPTICS 002124108072 CABLE
DONALDSON HYDRAULIC FILTER P561349 LOT OF 4
DONALDSON P562003 HYDRAULIC FILTER LOT OF 3
DORRIS 107TR20 GEAR BOX, RATIO 20
DORRIS 107TR20 GEAR BOX, RATIO 20,
DOUBLE A PILOT VALVE OF-06H-FFX-L-ET-10A LOT OF 2
DOUBLE A PILOT VALVE OF-06H-FFX-L-E-T-10A2 LOT OF 3
DOVER 8707-0442-3 TENSION TRANSDUCER, LOAD 50 LBS, 5 VDC
DOVER 8707-0442-3 TENSION TRANSDUCER, LOAD 50 LBS, 5 VDC
DRESSER 0360-0235-010 REPAIR CLAMP 2.630 X 7-1/2 W, 2.35 .024 DRLY, STYLE 360
DRESSER 233478N4 RAND GUARD, 25.00" & 15.50" CYLINDER, 8.50 DR,
DRESSER NIL-COR 1.25" BALL CHECK VALVE
DRESSER RAND 233477H2 SEAT VALVE, 1ST STG, 8.50 HPS, 25.00" CYLINDER,
DRESSER RAND 233478N4 GUARD, 8.50 DR, 25.00 CYLINDER,
DRESSER RAND 233478N4 GUARD, 8.50 DR, 25.00" & 15.50" CYLINDER,
DRESSER RAND 41276032700 SEAT, 7.50 HPS, 15.50" CYLINDER, LOT OF 2,
DRESSER RAND COMPRESSOR VALVE, 4HHE-VL-4,
DRESSER RAND GUARD 8.50 DR, 233478N4, 25.00" & 15.50" CYLINDER,
DRESSER RAND GUARD, 233478N4, 25.00 CYLINDER, 8.50 DR,
DRESSER RAND GUARD, 8.50 DR, 233478N4, 25.00" & 15.50" CYLINDER,
DRESSER RAND GUARD, 8.50 DR, 25.00" CYLINDER,
DRESSER RAND SEAT, 233477H3, 19.50" CYLINDER, 8.50 HPS,
DRESSER-RAND 233099V2T9 SUCTION VALVE, LOT OF 2, GUARD 7.50 DR
DRESSER-RAND 233477H2 & 233477H3 SUCTION VALVE, LOT OF 2
DREXELBROOK 408-6200 SERIES 408-800 SERIES WITH UNIVERSAL TRANSMITTER SHIELD
DREXELBROOK 408-6200 SERIES 408-800 SERIES WITH UNIVERSAL TRANSMITTER SHIELD
DREXELBROOK ENGINEERING 401-6-8 CAPACITANCE CAL UNIT
DUAL AUTOMATION 1/4" VALVE DA15-F03, 8.4 BAR
DUAL LITE EWRBB EXQUISITE RED EXIT SIGNS, SINGLE FACE, LOT OF 3,
DUAL-LITE ML-2E LUMENETTE SERIES 120/277 VAC, 12 WATT
DUFF NORTON M1801-10-1 WORM GEAR ACTUATOR,
DUFF NORTON WORM GEAR ACTUATOR M1810 6 1
DUFF-NORTON DN9006-33 WORM GEAR ACTUATOR, 2" X 36" TRAVEL