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What is the SCAN time of a DCS/PLC? What is the typical
value for scan time of DCS and PLC?

Question Posted / hiteshhp

Answer Posted / hiteshhp

Scan time is the time required to scan the inputs,program written and display the output accordingly.

As scan time of PLC is smaller than that of DCS,we use PLCs for faster operations in Industries.
Normally,PLC are used for Safety Purpose,the switches in interlocks for tripping,etc

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