Q2) false
Because
Q3) option b is correct because TT bit of timer is similar to EN bit same timer.
?
Question 2 An on-delay timer is used when you want a time delay to occur before...
When a relay coil is NOT energized there is an electrical path through the NC contacts there is an electrical path through the No contacts neither the NO or the NC contacts have an electrical path both the No ans the NC contacts have an electrical path What is a control relay? A remotely operated switch. A device used to release relays internal contact A device to control all relays in a PLC In the SLC 500 system, the main...