Author Question: Allen-Bradley supports Structured Text (ST), but does not support Instruction List (IL) because of ... (Read 197 times)

Chloeellawright · **on:** Jul 28, 2018

Allen-Bradley supports Structured Text (ST), but does not support Instruction List (IL) because of its ________.

A) Unacceptance by the user community
B) Marginal value in automated process applications
C) Mnemonic instructions
D) Difficulty to troubleshoot

Question 2

Which of the following is false regarding scaling in process control?

A) Scaling is the resizing of an input or feedback signal to the engineering or process units required by the control system.
B) The scaled value could be used by a PID controller as a process variable.
C) Scaling is not used in ladder logic.
D) The input signal to be scaled could be from an analog sensor.