IS200TTRUH1C GE

3HNP 03392-1 FUSE_EQ MOT_PROT ABB
3HNP 03417-5 FUSE_EQ MOT_PROT ABB
3HNP 03509-1 QUICK CONNECTION ABB
3HNP 03642-1 SCREW-IN CONNECTOR ABB
3HNP 03686-1 FLUID-TIP ABB
3HNP 03696-1 FLUID-TIP ABB
3HNP 03791-1 POW GS AC/DC HV. CONTROL ABB
3HNP 03871-1 PUSH-IN CONNECTOR ABB
3HNP 03991-1 SHUTTLE CYLINDER ABB
3HNP 04108-1 PROPORTIONAL VALVE ABB
3HNP 04167-1 PROXIMITY SWITCH ABB
3HNP 04345-1 PUSH-IN CONNECTOR ABB
3HNP 04508-1 MANIFOLD ABB 7 1

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描述

PLC在RUN工作模式时,执行一次图1-5所示的扫描操作所需的时间称为扫描周期,其典型值约为1~l00ms。扫描周期与用户程序的长短、指令的种类和CPU执行指令的速度有很大的关系。当用户程序较长时,指令执行时间在扫描周期中占相当大的比例。有的编程软件或编程器可以提供扫描周期韵当前值,有的还可以提供扫描周期的最大值和最小值。

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