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Question:

Transistor and relay PLC is how is it? There are leakage and so on

Transistor and relay PLC is how is it? There are leakage and so on

Answer:

Transistor PLC and relay PLC in the output at low frequency work no difference But the transistor has a one-way continuity, can only use the DC power supply, if the use of AC power, it may lead to the point of reverse breakdown and burned. The relay does not have too many requirements, but in the high-frequency output when the relay jitter, if the system scan fast, the relay jitter signal will be scanned and input into the system, causing malfunction. And the transistor does not exist this problem, it can quickly respond to system requirements (this is the PLC selection should pay attention to the problem, generally do not require a quick response, select the relay PLC good point, which I personally think) Also, PLC in the use of time, we must pay attention to their use of the PLC is the source or the type of leakage. This is related to the public termination of the problem is still negative. Such as Japan's Mitsubishi PLC for the leakage type, while the majority of Western Western PLC source. What else can not understand me?
May 9, 2017
The transistor is a non-contact output, the relay has an electric shock output. Transistors can only drive small loads, and relays can drive large loads. Transistor can be high-speed output, the relay can not.
May 9, 2017
Transistor and relay PLC in the output at low frequency work is basically no difference In the high-frequency output when the transistor PLC to adapt Such as high-speed pulse output, must be the transistor PLC
May 9, 2017

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