5SHY3545L0016 3BHB020720R0002 AB 现货

336A4937ACG090 WIRES 90″ POWER JUMPER
336A4937ACG105 WIRES 105″AC POWER WIRES
336A4937ACG120 WIRES 120″ POWER WIRES
336A4937ADG090 WIRES 90″ JG1 TRLY POWER
336A4937ADG105 WIRES 105″ JG1 TRLY POWER
336A4937ADG140 WIRES 140″ JG1 TRLY POWER
336A4937AEG155 WIRES 155″ VPRO J7 POWER
336A4937AEG165 WIRES 165″ VPRO J7 POWER
336A4937AEG240 WIRES 240″ VPRO J7 POWER
336A4937AFG165 WIRES 165″ 335VDC FLAME DETECT
336A4937AGG024 WIRES 24″ J2 M N L JUMPER CABL
336A4937AHG6 WIRES 10″ PE GND #14AWG

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5SHY3545L0016 3BHB020720R0002 AB 现货

5SHY3545L0016 3BHB020720R0002 AB 现货

5SHY3545L0016 3BHB020720R0002 AB 现货

使用或不使用END指令是有区别的。END指令用于程序结束，即表示程序终了。当有效程序结束后，写一条END指令，可以缩短扫描周期。PLC扫描到END指令，便自动返回。如果没有END指令，程序将一直执行到PLC的最后一行，这样既增加运算周期，也易引起系统出错。

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