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A(n) ______________________________ light is used to monitor the status of PLC input/output ports.

Technicians must use forced conditions when the plant is in normal operation.

The length parameter specifies the number of words in the sequencer file.

In the following SQC instruction block, which parameter holds the address of the input port?

The ______________________________ light is on when the PLC processor detects an error in the ladder logic diagram.

The number of ______________________________ indicates the number of data patterns the sequencer instruction must step through.

Excessive pollution in the environment around a PLC can damage the PLC’s ____.

The following figure displays the operation of the ____.

The normally open contact R6:0/FD will close whenever the sequencer compare (SQC) instruction is enabled.

The normally open contact R6:0/DN will close whenever the sequencer output (SQO) instruction is enabled.