6.9 Single Cycle Reciprocation with Limit Switch

Define a single cycle reciprocation action.

Describe the behavior of this electrically controlled hydraulic circuit.

Discuss the influences of inadvertent opens at various points in ladder logic diagram.

Discuss the influences of the loss of primary hydraulic power.

Comment on the influences of an improperly set pressure relief valve.

Discuss the influences of an activated ESTOP.

Discuss the influences of a limit switch inadvertently triggered by some errant object.

Discuss the influences of an improperly positioned limit switch that fails to activate.