interview questions and answers on plc

Programmable Logic Controller (PLC) Questions  Suppose we have a Siemens S7-200 PLC connected to a pair of pushbutton switches and

Programmable Logic Controller (PLC) Questions and Answers Suppose we have an Allen-Bradley model PLC connected to a pair of pushbutton

Programmable Logic Controller (PLC) Questions and Answers – Suppose we have an Allen-Bradley MicroLogix 1000 controller connected to three pushbutton

Programmable Logic Controller (PLC) Questions and Answers  Suppose we have a PLC connected to three pushbutton switches as shown in

Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram :

Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram :