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IC697ALG440
IC697ALG440
IC697ALG440
可编程控制器的基本性能可用如下八条予以概括:
5.1工作速度
工作速度是指PLC的CPU执行指令的速度及对急需处理的输入信号的响应速度。工作速度是PLC工作的基础。速度高了,才可能通过运行程序实现控制,才可能不断扩大控制规模,才可能发挥PLC的多种多样的作用。
PLC的指令是很多的。不同的PLC。指令的条数也不同。少的几十条,多的几百条。指令不同,执行的时间也不同。但各种PLC总有一些基本指令,而且各种的PLC都有这些基本指令,故常以执行一条基本指令的时间来衡量这个速度。这个时间当然越短越好,已从微秒级缩短到零点微秒级。并随着微处理器技术的进步,这个时间还在缩短。
Rexnord
Prolog I/0 Card PWB 110494-004 B249064 PC BOARD
Voith Paper Flange Connecting 092 167893 83746
NSK LM Linear Motion Guide & 2 Blocks LY350780FL2-01P5Z3 LY35
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Kop Flex 4H FHUB 4HFHUB Coupling Flex Hub Bore
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THK Linear Guide Rail + Block HSR-25R
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SMC Guided Air Cylinder MGGMB50-100-XC18 145 PSI 1.0 MPa
Rosemount Magnetic Flow Transmitter 8712CP12N0M4 115VAC 1PH 1A 20W 4-20MA
NSK Matching Pair Super Precision Angular Contact Ball Bearing 7009CTRDULP4Y
Schneeberger Bearing SR 6150 Recirculating, Linear Coil Winder
Crane Duo-Chek II Valve 4" Carbon Steel G15SMF 14630-000-4371
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Flanders Air Filter 0-011-H-08-03-IE-32-00-GG-F Resistance 0.72
Sealed Flanders 0-011-H-08-03-IE-32-00-GG-F Filter Resistance .69
Sealed Flanders 0-011-H-08-03-IE-32-00-GG-F Filter Resistance .68
Yaskawa Electric JANCD-MIO04 JANCDMIO04 I/O PC Control Board Rev. B
Flanders 0-011-H-08-03-IE-32-00-GG-F Filter Resistance .67