Automation System
What is offset error?

the difference between the controller output and the setting of the manipulated variable.
the difference between the sensor input and the absolute sensed parameter.
the difference between the control setpoint value and the actual value.
None of these
All of these

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Automation System
There are several procedures you can implement to provide maximum security. The most important of these is:

do not leave training manuals unsecured
Verify the reputation of the people installing your system
do not allow unbonded service people to work on your equipment
None of these
run regular simulated tests using TARP (testing of Applications Recovery Planes)

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