三菱 三菱 Relay Terminal 模塊 用戶 手冊(cè) (硬件)
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資料介紹：
[DESIGN PRECAUTIONS]
DANGER
z Install a safety circuit external to the programmable controller that keeps
the entire system safe even when there are problems with the external
power supply or the programmable controller main module.
An accident may occur by a false output or a malfunction.
Output could be left ON or OFF when there is trouble in the output
module's relay or transistor. So build an external monitoring circuit that
will monitor any signal output that could cause serious trouble.
z In an output module, build a safety circuit such as a fuse externally of the
module, because there is a possibility of fire or smoke in the case when
overcurrent exceeding the rating flows continuously for a prolonged time
due to shorted load.
CAUTION
z Do not bunch the control wires or communication cables with the main
circuit or power wires, or install them close to each other. They should
be installed 100mm (3.9 in) or more from each other. Not doing so could
result in noise that would cause malfunction.
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