engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Electrical and Electronics Measurements Data Acquisition System PLC SCADA
The working principle of a PLC is based on cyclic scanning method known as the scan cycle. Identify the correct sequence of steps.
a. Execute the user or application program
b. Read data from input module
c. Start cycling time monitoring
d. Write data into output module
1
a - b - c - d
2
c - a - b - d
3
a - d - b - c
4
c - b - a - d