8271-467 WOODWARD

WOODWARD 2301A9905-020

WOODWARD 8270-887

WOODWARD 8280-181

Woodward 2301

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Description

当输入信号源为晶体管,或是光电开关输出类型时,在关断时仍有较大的漏电流。而PLC的输入继电器灵敏度较高,若漏电流干扰超过一定值,就形成了误信号。同样,当输出元件为VTH(双向晶体闸管)或是晶体管输出,而外部负载又很小时,会因为这类输出元件在关断时有较大的漏电流


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