CCST 01 — XIC/XIO Basic Contacts

Briefing

Write a rung that energises OUTPUT_1 when SENSOR_A is TRUE and SENSOR_B is FALSE. Tests your understanding of Examine-If-Closed (XIC) and Examine-If-Open (XIO) contacts.

Objectives

• Use an XIC contact for SENSOR_A
• Use an XIO contact for SENSOR_B
• Energise OUTPUT_1 when both conditions are met

I/O Table

Your program will be tested against:

All test cases run automatically when you submit. Assertions are hidden until you pass.

1. #1OUTPUT off when both inputs false

   OUTPUT off when both inputs false

2. #2OUTPUT on when A=T, B=F

   OUTPUT on when A=T, B=F

3. #3OUTPUT off when B is also true

   OUTPUT off when B is also true