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what is the difference between RTU & MTU in SCADA system?
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Answer Posted / khyati
All the signals from remote field devices (RTU) is terminated to the Master terminal Unit(MTU) via appropriate physical medium (wired or wireless). The field signals such as pump or motor f/b , digital switches or even analog signals (4-20 ma, 0-10 v etc)are terminated to basic level to RTU .There can be 'N' no. of RTU's placed in a system which carries all the field device status to the MTU.
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