Siemens Exam questions and correct answers

Siemens Exam questions and correct answers Which of the following statements is most true about the following basic Seal In logic? The Forward Motor will not stay on once the Start_PB is let go. A variable speed drive (VSD) can be controlled by a(n) __________ using discrete I/O. PLC The basic concept of a(n) __________ interlock is to prevent some event from happening unless certain conditions are present that indicate it is safe to do so. Safety A PLC output diagram shows the control of an electric motor, whether it is direct or indirect, by the same symbol: a __________ with the label M1, M2, etc. circle Two applications in which interlocks are used are: __________, and safety. Sequencing The Siemens S7-1200 Count Down (CTD) instruction decreases its Count Value (CV) by one each time its __________ input is turned on. Count Down (CD) PLC programs can use __________ as well as limit switches to sequence events. timers What is true about the following PLC program? The Timer is storing information in Data Block 1 Which of the following bits in this Data Block are used in a CTD command? (Select all that applied)