Author Question: Which one of the following statements for the FAL instruction is NOT true? A) The instruction is ... (Read 111 times)

jhjkgdfhk · **on:** Jul 28, 2018

Which one of the following statements for the FAL instruction is NOT true?

A) The instruction is available on SLC 500 and Logix processors.
B) The FAL performs a word to file, a file to file, or a file to word transfer and arithmetic operations.
C) The instruction is used to transfer data from one file to another and perform arithmetic and logic operations on files using one of three modes.
D) The instruction uses control words or the control data file to provide the information necessary to execute instructions.

Question 2

Which of the following statements for the PLC 5 and SLC 500 timer addressing is NOT true?

A) The timer number range is 0 to 255 and is separated from the file number by a forward slash (/).
B) One word is used to store the timer bit values (EN, TT, and DN) and two words are used to store the operational parameters (PRE and ACC).
C) The default value for the timer file is 4.
D) If a timer output bit is addressed, then the final address element is an EN, TT, or DN.