Asked by Jennah Marie on Jun 13, 2024
Verified
The ____ instructions always interpret a 1 status as true and a 0 status as false.
A) XIC
B) XIO
C) contact
D) All of these choices are correct
XIC
Stands for "Examine if Closed", a PLC programming instruction used to check if a specified contact or virtual contact is in the closed state.
XIO
An instruction used in ladder logic programming that represents "Examine if Open," checking if a specific condition is not met or a device is inactive.
Contact Instructions
Fundamental instructions in PLC programming that mimic electrical contacts, used to control the flow of logic based on conditions being true or false.
- Become familiar with the workings and applications of various PLC instructions (XIC, XIO, OTE).
Verified Answer
DG
diana guzmanJun 17, 2024
Final Answer :
A
Explanation :
XIC instructions are used for input conditions and always interpret a 1 status as true and a 0 status as false. XIO instructions are used for output conditions and interpret a 0 status as true and a 1 status as false. "Contact" is just another name for an input symbol used in ladder logic programming.
Learning Objectives
- Become familiar with the workings and applications of various PLC instructions (XIC, XIO, OTE).