Exam 11: The Basic Relay Instructions

Rockwell Automation refers to the output instruction as the ____________________ instruction.

Rungs are executed from left to right, or from inputs to outputs, starting at rung 0 and moving to the highest rung number.

The basic symbols found on a ladder diagram are contacts and ____________________.

Briefly describe the XIO instruction.

List three reasons for upgrading to a more powerful PLC.

List three examples of events triggered by a push-button input where the one-shot instruction can be applied.

A programmable automation controller's repertoire of instructions is called its ____________________.

Rockwell Automation PLCs, such as the PLC-5, SLC 500, and ControlLogix family members, use the term examine if closed (XIC) to represent the ____________________ instruction.

List three rules that pertain to most latch and unlatch instructions.

The "rising" portion of the one-shot rising instruction name means that the instruction is looking for the true-to-false transition of the input logic in front of the one-shot instruction.

List three different sources that could provide the input bit referenced by the XIO instruction.

An internal bit as an output is used when the logical resultant of a rung controls other internal logic.

In all cases, the last instruction on any rung must contain some type of output instruction.

The last rung in any routine contains the ____________________ instruction, which alerts the controller that there are no additional rungs to execute.

All paths of instructions from the left power rail to an OTE instruction must be true for that instruction to evaluate as true.