The ______________________________ instruction reads input data from an input module or register and then compares the input data to the step patterns in a bit data file (B3 or B10) or integer data file (N7).
The ______________________________ light is on when the PLC…
The ______________________________ light is on when the PLC processor detects an error in the ladder logic diagram.
Excessive pollution in the environment around a PLC can dama…
Excessive pollution in the environment around a PLC can damage the PLC’s ____.
PLC input/output ports cannot be checked in the forced mode…
PLC input/output ports cannot be checked in the forced mode before connecting them to external input/output devices.
File B3 may be used to hold the sequencer output (SQO) instr…
File B3 may be used to hold the sequencer output (SQO) instruction’s patterns.
Technicians should, as part of routine maintenance, ____.
Technicians should, as part of routine maintenance, ____.
The normally open contact R6:0/FD will close whenever the se…
The normally open contact R6:0/FD will close whenever the sequencer compare (SQC) instruction is enabled.
You must use the reset (RES) instruction to reset the SQO in…
You must use the reset (RES) instruction to reset the SQO instruction.
The ______________________________ instruction is used to co…
The ______________________________ instruction is used to control several outputs with multiple step patterns.
The normally open contact R6:0/DN will close whenever the se…
The normally open contact R6:0/DN will close whenever the sequencer output (SQO) instruction is enabled.