The ______________________________ in an add (ADD) instructi… The ______________________________ in an add (ADD) instruction must be a register. Read Details
How many counter instructions can an Allen-Bradley PLC have? How many counter instructions can an Allen-Bradley PLC have? Read Details
Data files C5:0 through C5:255 can be used for _____________… Data files C5:0 through C5:255 can be used for ______________________________ instructions. Read Details
A ____ should be selected for the following operation: when… A ____ should be selected for the following operation: when the timer has completed its preset timing period, its timer done contact is closed. Read Details
In an LIM instruction, the test source must be a(n) ________… In an LIM instruction, the test source must be a(n) ______________________________. Read Details
In an LEQ instruction, when the content of Source A is _____… In an LEQ instruction, when the content of Source A is ______________________________ the content of Source B, the current will flow through the LEQ instruction block. Read Details
In the following ladder logic diagram, the subroutine is exe… In the following ladder logic diagram, the subroutine is executed ____. Read Details
When RET instruction is executed, the processor jumps from t… When RET instruction is executed, the processor jumps from the ____. Read Details
If the accumulated register on an Allen-Bradley SLC 500 PLC… If the accumulated register on an Allen-Bradley SLC 500 PLC non-retentive timer on-delay (TON) is equal to the preset register, which of the following statement is correct? Read Details
What are the registers used for each Allen-Bradley SLC 500 P… What are the registers used for each Allen-Bradley SLC 500 PLC timer? Read Details