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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?
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Answer Posted / amit patel
SCAN time of DCS /PLC defines as execution of one cycle of
program (reads the inputs, executed whole program and
writes output)
Normaly DCS scan time are 200msec ,500msec,1 sec
PLC scan time are less than 100msec.
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