MOORE  39ACM14NAN

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 PLC的控制方式屬于存儲程序控制，其控制功能是通過存放在存儲器內(nèi)的程序來實現(xiàn)的，若要對控制功能作必要修改，只需改變控制程序即可，這就實現(xiàn)了控制的軟件化。可編程控制器的優(yōu)點在于"可"字，從軟件來講，其控制程序可編輯、可修改；從硬件上講，其外部設(shè)備配置可變。構(gòu)建一個PLC控制系統(tǒng)的重心就在于控制程序的編制，但外部設(shè)備的選用也將對程序的編制產(chǎn)生影響。因此在進行程序設(shè)計時應(yīng)結(jié)合實際需要，硬、軟件綜合考慮。本文就硬、軟兩方面，選取梯形圖為編程語言，以松下電工FPO-C32型PLC為例，對PLC使用過程中易出現(xiàn)的幾個問題及解決方法進行了分析

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VICKERS PRESSURE REDUCING VALVE DGMX2-3-PA-BW-S?-40 *NEW*
 
APOLLO BALL VALVE 3/4 C.S. 1000 WOG
 
LADISH 1-1/2" 600 CF8M GATE VALVE 8664-2407-15
 
UNKNOWN MFG * 2 WAY FLOW CHECK VALVE 200WOG * 3/4"
 
LADISH-HASCO 1-1/4" 200 CF7M GATE VALVE 1201-007 / V-7250-0007-12
 
PNEU-TROL 1/2"NPT CHECK VALVE C-30-S *NEW NO BOX*
 
SHARPE 800 WOG CF8M 1/4 INCH NPT STAINLESS STEEL BALL VALVE, 58876
 
FESTO 36-116PSI SOLENOID VALVE MEH-5/2-1/8-P-B
 
MOORE PRODUCTS CO. NULLMATIC PRESSURE REGULATOR 40-15 / 14870-4S5EG 104115
 
FESTO, VALVE KIT CPC14-BS-5/3G1/?8 NEW IN BOX
 
AIRTECH CONTROLS 1/8" & 1/2" NPT, PNEUMATIC VALVE BLOCK N-65031 *NEW*
 
DYNAQUIP 600 CWP 3/4" NPT TWO-PIECE BRASS BALL VALVE, VMH2-A9 *NEW*
 
SMC AIR REGULATOR SET PRESS 7~100PSI NAR111
 
PARKER 150 PSIG 1/4" NPT ROLLER CAM VALVE, CW1325 *NEW*
 
ITT FABRI-VALVE 150 CWP 8" KNIFE GATE VALVE C37S316FR1
 
ASCO 120VDC SOLENOID VALVE 8210D14 NEW
 
MATCO 3/4"NPT, 200WOG, FLOW CONTROL VALVE NSF61-8 *NEW*
 
APOLLO 1IN. NPT "Y" SHAPED STRAINER VALVE YCT05M20 *NEW,SEALED BAG*
 
SPORLAN 3/8" ODF X 1/2" ODM SOLENOID VALVE LESS COIL A3S1 NIB
 
ITT 9-5/8" X 2" PIPE SIZE PURE-FLO DIAPHRAGM VALVE CFM8 CWP-150 7081358
 
NUMATICS 3/4" NPT VALVE BODY 5FC3
 
FLOTECT 125/250VAC, 5A, 3/4 INCH, FLOW SWITCH V6EPB BS2BGM7 *NEW*
 
KECKLEY 3/4" NPT 400 MOG CAST BRONZE Y-STRAINER VALVE, STYLE F-300 *NEW*
 
SCHRADER BELLOWS 1/4" NPT FLOW CONTROL VALVE 3251-0250 *NEW*
 
PARKER 1/4IN. NPT 3/8IN. NPT QUICK EXHAUST/SHUTTLE VALVE 3340
 
JAMESBURY 3/4" SS BALL VALVE CF 8M 2000 WOG NACE
 
STOCKHAM 1/2" 300CWP GATE VALVE 150 S
 
ROSS 1-10 BAR 1/2" NPT L-O-X LOCK-OUT VALVE, 1523B4002 *NEW*
 
NIBCO 3/8"NPT, BALL VALVE T580S6R66 *NEW,SEALED*
 
UFM TYPE 12-13 FLOW METER 01.5GM-2-335S-A?3NR
 
FLOWSERVE 3/4" 1975@100°F GATE VALVE 41365-2R14
 
NUMATICS 150PSIG, 5-PORT, 1/8"NPT, RELAY VALVE 031PA400O000000 *NEW*
 
NUMATICS 1/8" NPT PNEUMATIC VALVE, 1JDPA4 *NEW*
 
MASONEILAN DRESSER 4" X 6" VALVE ACTUATOR SIZE 38
 
JT 2" BALL VALVE CF8M G0281
 
ASCO 1/2"NPT 2 PORTS 150PSI HIGH-FLOW CHECK VALVE V0127 *NEW*
 
STAINLESS STEEL 1 1/2" 316 BALL VALVE 1000WOG
 
SMC 110VAC 2 COIL 1 PLUG SOLENOID VALVE VPN-8-FIG-D *NEW NO BOX*
 
DELTROL 1/4" NPT EN20S FLOW CONTROL VALVE, 10120-63 *NEW*
 
MAC 1/2" & 1/4" VALVE 82A-AC-CAA-TM-D?AAP-1DA
 
PARKER 3/8"NPT PNEUMATIC VALVE PWR-A3833 *NEW*
 
ALOYCO 1/4" 150 STEEL GATE VALVE SW 16540
 
FESTO 145 PSI PNEUMATIC SOLENOID VALVES, MN1H-2-1/4-MS, NNB LOT OF 7
 
WATTS 3/4" BALL VALVE 9152 *NEW*
 
PARKER 3/4IN. NPT 3 PORTS PRESSURE RELIEF VALVE 0R75B *NEW NO BOX*
 
WATT RELIEF VALVE REPAIR KIT RK 909 VT 3/4-1
 
SMC 0.1-1.0 MPa 3 PORTS HAND VALVE VHS401-N04-X1 NEW
 
NULLMATIC PRESSURE REGULATOR 40-30 / 14870-5S10IK


CCS 5 PSIG, 1 1/2" NPT ACTUATOR VALVE 10-3025-1 *NEW*
 
FESTO 1.5-10BAR VACUUM GENERATOR VAD-1/4 NIB
 
SS 3/4" BALL VALVE CF8M 1000WOG
 
VICKERS DIRECTIONAL CONTROL VALVE DG4V-3S-6C-M-FP?A5WL-B5-60 99068
 
SPIRAX SARCO 1-1/4" & 1-1/2" D-E-F-G FLOAT TRAPS VALVE ASSEMBLY 58134 FT-125 NIB
 
NUMATICS 1/8" FLOW REGULATOR 1FC1 NIB, LOT OF 3
 
WATSCO 1/2"-5/8" O.D. TUBE ADJUSTABLE LINE TAP VALVES, A-2 *NEW LOT OF 5*
 
MAC 3/8IN. NPT 5 PORTS BASE MANIFOLD VALVE 92B-000-CL4 *NEW NO BOX*
 
PARKER 5000 PSI 5 GPM 19 LPM 1/4"-18NPT NEEDLE VALVES, N400S-11HA *NEW LOT OF 2*