DS2020DACAG2 GE 现货 闪电发货

GV3000/SE-15V4160
NEXENFMCBES-875
PM573-PM573-ETH
AX522-1SAP250000R0001
PMES-16A2F
6DD1660-0BA0
MKS51A010-503-50
0360510SF4000 sinudyn-36
IC200ALG620-AA
DDLS200/120.1-50
A20B-8100-0136

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描述

PLC的扫描工作方式引起的延迟可达2-3个扫描周期。对于大多数应用场合来说,PLC的响应速度都可以满足要求,不是主要问题。然而对于某些个别场合,则要求考虑PLC的响应速度。为了减少PLC的I/O响应的延迟时间,可以选用扫描速度高的PLC,或选用具有高速I/O处理功能指令的PLC,或选用具有快速响应模块和中断输入模块的PLC等。

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