IS215VCMIH2C 价格公道 品质保证

LYD000A
2098-DSD-030-SE
3BSE000435R1 CS513
MVME5100
DSQC679
1R81-602755-13
3503E
140CPU65150
3500/01-01+100M2833
3503E
SERVOSTAR-620AS
6AV3688-3ED13-0AX0

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描述

PLC的存储器容量选择和计算的第一种方法是:根据编程使用的节点数精确计算存储器的实际使用容量。第二种为估算法,用户可根据控制规模和应用目的,按照表4的公式来估算。为了使用方便,一般应留有25%~30%的裕量,获取存储容量的最佳方法是生成程序,即用了多少字。知道每条指令所用的字数,用户便可确定准确的存储容量。表4同时给出了存储器容量的估算方法

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