MKS 902-1112 新闻资讯
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仲鑫达产品特价:MKS 902-1112
从以上几个方面的比较可知,PLC在性能上优于继电器,控制逻辑优异,特别是具有可靠性高,设计施工周期短,调试修改方便的特点,而且体积小、功耗低、使用维护方便。但在很小的系统中使用时,价格要高于继电器控制系统。
(6) PLC控制系统具有自检功能,能查出自身的故障,随时显示给操作人员,并能动态地监视控制程序的执行情况,为现场调试和维护提供了方便。
(7)定时控制,继电器控制逻辑利用时间继电器进行时间控制。一般来说,时间继电器存在定时精确度不高、定时范围窄、易受环境湿度和温度变化的影响、时间调整困难等问题。PLC使用半导体集成电路做定时器,时基脉冲由晶体振荡器产生,精度相当高,且定时时间不受环境的影响,定时范围一般从0.001s到若干天或更长,用户可根据需要在程序中设置定时值,然后由软件来控制定时时间。从以上几个方面的比较可知,PLC在性能上优于继电器,控制逻辑优异,特别是具有可靠性高,设计施工周期短,调试修改方便的特点,而且体积小、功耗低、使用维护方便。但在很小的系统中使用时,价格要高于继电器控制系统。
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仲鑫达达特价格美丽:MKS 902-1112
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仲鑫达产品:MKS 902-1112
MASONEILAN DRESSER 17-122 PRESSURE REGULATOR VALVE 3/4IN NPT D598025
WATSON & MCDANIEL TYPE D 2 IN NPT IRON PRESSURE REDUCING REGULATOR VALVE D550215
CASH VALVE 15474-0045 IRON PRESSURE REGULATOR VALVE 20-60PSI 1IN NPT D584996
WATTS 0057600 11/2 U 5B LP STD PRESSURE REDUCING VALVE 1-1/2IN NPT D574786
REXROTH R431003629 4-S PRESSURE REGULATOR VALVE 0-150PSI 1/2IN NPT D595708
MOORE 42-30 NULLMATIC 1/2 IN NPT PRESSURE REDUCING REGULATOR VALVE D552748
CASHCO 1/2 IN NPT HP CS/CS/S3 PRESSURE REDUCING REGULATOR VALVE D534683
CASH ACME E41 SERIES 3 PRESSURE REDUCING REGULATOR VALVE 300PSI 1IN D576368
SCHLUMBERGER VR75-RE IRON FLANGED 1IN PRESSURE REGULATOR VALVE D594973
CASHCO C-BPV-FGD TRI-CLAMP 2 IN PRESSURE REDUCING REGULATOR VALVE D540809
CASH VALVE TYPE B PRESSURE REDUCING REGULATOR VALVE 2-50PSI 1IN NPT D590113
CASH VALVE TYPE B PRESSURE REGULATOR VALVE 40-150PSI 75PSI 3/4IN NPT D588413
CONOFLOW GH41AT1502C 1/4IN NPT PRESSURE REDUCING REGULATOR VALVE D592247
JORDAN 60 1-5PSI IRON PRESSURE REDUCING REGULATOR VALVE 1IN NPT D593848
WATTS 223 S 50PSI 1/2IN NPT BRONZE WATER PRESSURE REGULATOR VALVE D544398
WATSON & MCDANIEL 350VDV 2 IN NPT PRESSURE REDUCING REGULATOR VALVE D563022
CONBRACO 36C-104-01 BRONZE PRESSURE REDUCING VALVE 3/4 IN NPT D575448
PLAST-O-MATIC PRHM100V-PV 1 IN NPT THERMOPLASTIC PRESSURE REGULATOR D572372
OCV 1340 STAINLESS PRESSURE REDUCING PILOT VALVE 3/8IN NPT D585657
PLAST-O-MATIC PR100V-PV 5-50PSI PRESSURE REGULATOR VALVE 1IN NPT D575360
CASHCO 123 SST/SS1/S0/ STAINLESS PRESSURE REDUCING REGULATOR 1/2IN NPT D597765
MASONEILAN DRESSER 40C 200-450PSI 1IN NPT PRESSURE REGULATOR VALVE D524228
CASHCO D CI/CI/ 30-80 PSI 3/4 IN NPT PRESSURE REDUCING VALVE D554533
CASH ACME G-60 PRESSURE REGULATOR VALVE 100-400PSI 250PSI 1/2IN NPT D598134
MASONEILAN DRESSER BRONZE THREADED 150 1IN PRESSURE REDUCING VALVE D587039
CASH VALVE TYPE B PRESSURE REDUCING VALVE 40-150PSI 3/4IN NPT D590105
WATTS 223 50PSI 1/2 IN NPT BRONZE WATER PRESSURE REGULATOR VALVE D544375
WATTS U5B-LP-Z3 1/2 IN BRONZE PRESSURE REDUCING REGULATOR VALVE 10-35PSI D575427
STERLCO 501-001 TYPE 56 WATER REGULATING VALVE 60-270PSI 1/2IN NPT D595260
FISHER 95L-41 PRESSURE REGULATOR VALVE 250PSI 35PSI 1/2IN NPT D598179
CASH VALVE TYPE B PRESSURE REDUCING VALVE 40-150PSI 1/2IN NPT D590121
CASH VALVE TYPE B PRESSURE REDUCING VALVE 40-125PSI 1/2IN NPT D590117
CASH VALVE TYPE B PRESSURE REDUCING VALVE 2-50PSI 3/4IN NPT D590128
MASONEILAN DRESSER 33-22 BRONZE PRESSURE REDUCING VALVE 3/4IN NPT D593638
CASH VALVE TYPE B PRESSURE REDUCING VALVE 40-125PSI 1/2IN NPT D590107
CASH VALVE TYPE B PRESSURE REDUCING VALVE 2-50PSI 1/2IN NPT D590100
CAPITAL CONTROLS 71P11 PRESSURE REDUCING REGULATOR VALVE 3/4IN NPT D597690
WATTS U5B 5M2 BRONZE PRESSURE REDUCING REGULATOR VALVE 25-75PSI 1/2IN D582899
CAPITAL CONTROLS 3/4IN NPT BACK PRESSURE RELIEF REGULATOR VALVE D583324
FISHER 95H PRESSURE REGULATOR VALVE 25-75PSI 250PSI 1/2IN NPT D598610
CASH ACME TYPE E 300 PSI BRONZE PRESSURE REDUCING REGULATOR VALVE D592573
WATSON & MCDANIEL WB-13-52-S00 3/4 IN NPT BRONZE REDUCING VALVE D544190
PLAST-O-MATIC PRH100V-PV PRESSURE REGULATOR VALVE 30-125PSI 1 IN NPT D570516
PLAST-O-MATIC PRH075V-PV 3/4 IN NPT THERMOPLASTIC PRESSURE REGULATOR D572378
REGO 1683 0-125PSI 3/8 X 1/4 IN NPT PRESSURE REDUCING REGULATOR VALVE D577144
PLAST-O-MATIC PRH100V-PV 30-125PSI 1IN PRESSURE REDUCING REGULATOR VALVE D575414
TB WOODS P52-14M-115 F 1GROOVE 52TOOTH TIMING PULLEY D560136
TB WOODS P52-14M-115 F 1GROOVE 52TOOTH TIMING PULLEY D560180
BROWNING B808M50SF HPT HTD SPKT TIMING PULLEY D586101
DODGE P26-8M-30 1108 STEEL SPROCKET TIMING BELT PULLEY D572822
48H150 2012 48TOOTH TIMING PULLEY D543266
BROWNING 1VP56X5/8 VARIABLE PITCH 1GROOVE 5/8 IN V-BELT PULLEY D574753
DODGE P26-8M-30 1108 STEEL SPROCKET TIMING BELT PULLEY D571752
FOCKE 5349543 1GROOVE 25TOOTH TIMING PULLEY D551922
TB WOODS 40L100 SDS 40TOOTH TIMING PULLEY D528156
YILMAZ MAKINA 1GROOVE 30MM 32TOOTH TIMING PULLEY D551915
TIMING PULLEY 1GROOVE 1-1/4 IN 32TOOTH D573197
AMETRIC SPZ125X2-CI 2GROOVE V-BELT PULLEY SHEAVE D543724
BROWNING AK32X-1/2 1GROOVE V-BELT PULLEY D572309
BROWNING 28XLB037 GEARBELT 1/4 IN TIMING PULLEY D555215
BRECOFLEX 40AT10/25-2 54MM 25TOOTH TIMING PULLEY D551914
26H100-SDS QD TIMING PULLEY 26TOOTH D566259
AL64 K120 1GROOVE 3/4 IN V-BELT PULLEY D574638
MARTIN 18L100JA QD 1GROOVE 18TOOTH TIMING PULLEY D533170
AMETEK DR858AY72W 038738 REGENERATIVE BLOWER 2-1/2IN 7.5HP 460V-AC D591852
AMETEK DR505AS72M REGENERATIVE BLOWER 2HP 230/460V-AC 1-1/2IN NPT D599745
ANVER VB9HV 3520RPM 1-1/2IN NPT 230/460V-AC 5.5KW REGENERATIVE BLOWER D549869
AMETEK CP505FS72MLR 25CC/MIN 2HP 230/460V-AC REGENERATIVE BLOWER D586534
FUJI VFD3 SD3/S337/UR ELEKTROR 0.75HP 460V-AC REGENERATIVE BLOWER D585979
GARDNER DENVER 2BH1400-7AV25-Z NASH ELMO 1.3KW REGENERATIVE BLOWER D562466
GARDNER DENVER G-200 2BH1400-7AV25-Z REGENERATIVE BLOWER 1.3KW D593572
ALLSTAR RBH3-101-1 REGENERATIVE BLOWER 105CFM 1.1HP 115/230V-AC D593575
ANVER VB-7 VACUUM GENERATOR 1-1/2 IN NPT 208-230/460V-AC 3.6KW D566214
FUJI VFC200P-5T REGENERATIVE BLOWER 42CFM 1IN NPT 0.37HP 115/230V-AC D591950