A relay logic diagram and its PLC ladder diagram are shown below. PB1 LS1 SOL1 1/4 1/6 0/0 PB2 CR3 1/7 B/0 1/8 CR3 LS4 M

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A Relay Logic Diagram And Its Plc Ladder Diagram Are Shown Below Pb1 Ls1 Sol1 1 4 1 6 0 0 Pb2 Cr3 1 7 B 0 1 8 Cr3 Ls4 M 1 (180.2 KiB) Viewed 27 times

A relay logic diagram and its PLC ladder diagram are shown below. PB1 LS1 SOL1 1/4 1/6 0/0 PB2 CR3 1/7 B/0 1/8 CR3 LS4 M1 B/0 1/9 0/1 In order to energise the control relay CR3: O The limit switch LS2 and push button PB2, and the limit switch LS3 must be closed. O The limit switch LS2 or the push button PB2, or the limit switch LS3 must be closed. O The limit switch LS2 or push button PB2, and the limit switch LS3 must be closed. O The limit switch LS2 and push button PB2, or the limit switch LS3 must be closed. O The limit switch LS2 and push button PB2, and the push button PB1 must be closed. LS2 LS3 1/5