描述
为了系统安全运行,闭环控制器一定是冗余运行的,一用一备,并且是热备。为了使冗余成功,应注意以下几点:两个控制器的硬件、软件版本必需一致;检查发送-接收的芯片是否完好;冗余的芯片是否完好。两个模件的设定是否一样、还要检查有没有带手操站等。
PARKER 1/4 NPT CONTROLLED PRESSURE SAFETY THUMB LEVER
Parker Veriflo 1/4″ Pressure Regulator (SQ2MICRO130E60)
Parker Pressure Regulator 72-130
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